Key KeyDescription1AB > 420 kV systems AB > 420 kV systems AC 380 - (420) kV systems AD 220 - (245) kV systems AE 110 - (150) kV systems AF 60 - (72) kV systems AG 45 - (50) kV systems AH 30 - (35) kV systems AJ 20 - (25) kV systems AJA 20 - (25) kV bus bar 1 AJB 20 - (25) kV bus bar 2 AK 10 - (15) kV systems AL 6 - (5) kV systems AM 1 - 3 kV systems AN < 1 kV systems ANA Low voltage switchgear 500-1000 V, AC ANB Low voltage switchgear 500-1000 V, AC ANC Low voltage switchgear 500-1000 V, AC ANE Low voltage switchgear 380/220 V, AC ANF Low voltage switchgear 380/220 V, AC ANG Low voltage switchgear 380/220 V, AC ANH Low voltage switchgear 380/220 V, AC ANK DC switchgear 220/110 V ANL DC switchgear 220/110 V ANM DC switchgear 220/110 V ANN DC switchgear 220/110 V ANQ DC switchgear 60/48 V ANR DC switchgear 60/48 V ANS DC switchgear 60/48 V ANU DC switchgear 24/12 V ANV DC switchgear 24/12 V ANW DC switchgear 24/12 V AP Control consoles AQ Measuring and metering equipment AR Protection equipment AS Decentralized panels and cabinets ASA Circuit breaker appurtenances ASB Multiplication, conversion, decoupling ASC Transducer appurtenances ASD Compressed air, hydraulics ASJ Automated controls, closed-loop control ASL Grid simulation, voltage group selection ASM Measuring equipment ASN Auxiliary power supply ASP Recording ASQ Metering ASR Protection ASS Synchronization AST Transformation ASU Panels and cabinets for auxiliary equipment ASV Group, intermediate and general terminal blocks ASW Indication, manual operation, monitoring ASX Alarm annunciation AT Transformer equipment AU Open-loop control, checkback and auxiliary equipment AV Marshalling racks AW Instrument panels AX Central equipment AY Communication equipment AYA Telephone system (PABX) AYB Alarm system (acoustic) AYB Control console telephone system AYC Alarm system (acoustic) AYC Control console telephone system AYD Alarm system (optical) AYE Fire alarm system AYF Clock system AYG Remote control system AYH Telemetry system AYJ Remote metering system AYK HF carrier telephone system AYL Staff paging system, wireless AYM Staff paging system, inductive AYN Staff paging system, hardwired AYP Optical monitoring system AYQ General gas detection system (if not assigned to specific system) AYS Radiotelephone system BA Power transmission BAA Generator leads BAB Foundation cabinets BAC Generator circuit breaker, also commutating pole circuit breaker, incl. cooling system BAT Generator transformers, including cooling system BAU Earthing and lightning protection systems BAX Control air supply system BAY Control and protection equipment BB Medium-voltage distribution boards and transformers, normal system BBA MV distribution board BBB MV distribution board BBC MV distribution board BBD MV distribution board BBE MV distribution board BBF MV distribution board BBG MV distribution board BBH MV distribution board BBJ MV distribution board BBK MV distribution board BBL MV distribution board BBM MV distribution board BBN MV distribution board BBP MV distribution board BBQ MV distribution board BBR MV distribution board BBS MV distribution board BBT MV auxiliary power transformers BBX Fluid supply system for control and protection equipment BBY Control and protection equipment BC Medium-voltage distribution boards and transformers, general-purpose BCA MV start-up distribution board BCB MV start-up distribution board BCC MV start-up distribution board BCD MV start-up distribution board BCE MV start-up distribution board BCF MV start-up distribution board BCG MV start-up distribution board BCH MV start-up distribution board BCJ MV start-up distribution board BCK MV start-up distribution board BCL MV start-up distribution board BCM MV start-up distribution board BCN MV start-up distribution board BCP MV start-up distribution board BCQ MV start-up distribution board BCR MV start-up distribution board BCS MV start-up distribution board BCT Start-up, offsite, general-purpose transformers BCX Fluid supply system for control and protection equipment BCY Control and protection equipment BD Medium-voltage emergency distribution boards and transformers, (diesel) emergency power system 1 BDA MV emergency distribution board BDB MV emergency distribution board BDC MV emergency distribution board BDD MV emergency distribution board BDE MV emergency distribution board BDF MV emergency distribution board BDG MV emergency distribution board BDH MV emergency distribution board BDJ MV emergency distribution board BDK MV emergency distribution board BDL MV emergency distribution board BDM MV emergency distribution board BDN MV emergency distribution board BDP MV emergency distribution board BDQ MV emergency distribution board BDR MV emergency distribution board BDS MV emergency distribution board BDT MV transformator BDX Fluid supply system for control and protection equipment BDY Control and protection equipment BF Low-voltage main distribution boards and transformers, normal system BFA LV main distribution board BFB LV main distribution board BFC LV main distribution board BFD LV main distribution board BFE LV main distribution board BFF LV main distribution board BFG LV main distribution board BFH LV main distribution board BFJ LV main distribution board BFK LV main distribution board BFL LV main distribution board BFM LV main distribution board BFN LV main distribution board BFP LV main distribution board BFQ LV main distribution board BFR LV main distribution board BFS LV main distribution board BFT LV auxiliary power transformer BFU LV auxiliary power transformer BFV LV auxiliary power transformer BFW LV auxiliary power transformer BFX Fluid supply system for control and protection equipment BFY Control and protection equipment BG Low-voltage distribution boards and transformers, (may be used in addition to *BF*, *BH*, *BJ*, *BK* and *BL*) BGA LV distribution board BGB LV distribution board BGC LV distribution board BGD LV distribution board BGE LV distribution board BGF LV distribution board BGG LV distribution board BGH LV distribution board BGJ LV distribution board BGK LV distribution board BGL LV distribution board BGM LV distribution board BGN LV distribution board BGP LV distribution board BGQ LV distribution board BGR LV distribution board BGS LV distribution board BGT LV auxiliary power transformer BGU LV auxiliary power transformer BGV LV auxiliary power transformer BGW LV auxiliary power transformer BGX Fluid supply system for control and protection equipment BGY Control and protection equipment BH Low-voltage main distribution boards and transformers, general-purpose BHA LV main distribution board BHB LV main distribution board BHC LV main distribution board BHD LV main distribution board BHE LV main distribution board BHF LV main distribution board BHG LV main distribution board BHH LV main distribution board BHJ LV main distribution board BHK LV main distribution board BHL LV main distribution board BHM LV main distribution board BHN LV main distribution board BHP LV main distribution board BHQ LV main distribution board BHR LV main distribution board BHS LV main distribution board BHT LV auxiliary power transformer BHU LV auxiliary power transformer BHV LV auxiliary power transformer BHW LV auxiliary power transformer BHX Fluid supply system for control and protection equipment BHY Control and protection equipment BJ Low-voltage subdistribution boards and transformers, normal system BJA LV sudistribution board BJB LV sudistribution board BJC LV sudistribution board BJD LV sudistribution board BJE LV sudistribution board BJF LV sudistribution board BJG LV sudistribution board BJH LV sudistribution board BJJ LV sudistribution board BJK LV sudistribution board BJL LV sudistribution board BJM LV sudistribution board BJN LV sudistribution board BJP LV sudistribution board BJQ LV sudistribution board BJR LV sudistribution board BJS LV sudistribution board BJT LV auxiliary power transformer BJX Fluid supply system for control and protection equipment BJY Control and protection equipment BK Low-voltage distribution boards and transformers, (may be used in addition to *BF*, *BG*, *BH*, *BJ* and *BL*) BKA LV distribution board BKB LV distribution board BKC LV distribution board BKD LV distribution board BKE LV distribution board BKF LV distribution board BKG LV distribution board BKH LV distribution board BKJ LV distribution board BKK LV distribution board BKL LV distribution board BKM LV distribution board BKN LV distribution board BKP LV distribution board BKQ LV distribution board BKR LV distribution board BKS LV distribution board BKT LV auxiliary power transformer BKU LV auxiliary power transformer BKV LV auxiliary power transformer BKW LV auxiliary power transformer BKX Fluid supply system for control and protection equipment BKY Control and protection equipment BL Low-voltage subdistribution boards and transformers, general-purpose (local switchgear) BLA LV subdistribution board BLB LV subdistribution board BLC LV subdistribution board BLD LV subdistribution board BLE LV subdistribution board BLF LV subdistribution board BLG LV subdistribution board BLH LV subdistribution board BLJ LV subdistribution board BLK LV subdistribution board BLL LV subdistribution board BLM LV subdistribution board BLN LV subdistribution board BLP LV subdistribution board BLQ LV subdistribution board BLR LV subdistribution board BLS LV subdistribution board BLT LV auxiliary power transformer BLX Fluid supply system for control and protection equipment BLY Control and protection equipment BM Low-voltage distribution boards and transformers, (diesel) emergency power system 1 BMA LV emergency distribution board BMB LV emergency distribution board BMC LV emergency distribution board BMD LV emergency distribution board BME LV emergency distribution board BMF LV emergency distribution board BMG LV emergency distribution board BMH LV emergency distribution board BMJ LV emergency distribution board BMK LV emergency distribution board BML LV emergency distribution board BMM LV emergency distribution board BMN LV emergency distribution board BMP LV emergency distribution board BMQ LV emergency distribution board BMR LV emergency distribution board BMS LV emergency distribution board BMT LV auxiliary power transformer BMU LV auxiliary power transformer BMV LV auxiliary power transformer BMW LV auxiliary power transformer BMX Fluid supply system for control and protection equipment BMY Control and protection equipment BN Low-voltage distribution boards and transformers, (diesel) emergency power system 2 (protection against external impact) BNA LV distribution board BNB LV distribution board BNC LV distribution board BND LV distribution board BNE LV distribution board BNF LV distribution board BNG LV distribution board BNH LV distribution board BNJ LV distribution board BNK LV distribution board BNL LV distribution board BNM LV distribution board BNN LV distribution board BNP LV distribution board BNQ LV distribution board BNR LV distribution board BNS LV distribution board BNT LV auxiliary power transformer BNU LV auxiliary power transformer BNV LV auxiliary power transformer BNW LV auxiliary power transformer BNX Fluid supply system for control and protection equipment BNY Control and protection equipment BP Power installations for variable-speed drives (e. g. for feedwater pump, excitation equipment, not power adjusters in switchgear) BPA Power installations for variable-speed drives BPB Power installations for variable-speed drives BPC Power installations for variable-speed drives BPD Power installations for variable-speed drives BPE Power installations for variable-speed drives BPF Power installations for variable-speed drives BPG Power installations for variable-speed drives BPH Power installations for variable-speed drives BPJ Power installations for variable-speed drives BPK Power installations for variable-speed drives BPL Power installations for variable-speed drives BPM Power installations for variable-speed drives BPN Power installations for variable-speed drives BPP Power installations for variable-speed drives BPQ Power installations for variable-speed drives BPR Power installations for variable-speed drives BPS Power installations for variable-speed drives BPT Power installations for variable-speed drives BPU Power installations for variable-speed drives BPX Fluid supply system for control and protection equipment BPY Control and protection equipment BR Low-voltage distribution boards, uninterruptible (converter) power supply BRA LV distribution board, uninterruptible (converter) power supply BRB LV distribution board, uninterruptible (converter) power supply BRC LV distribution board, uninterruptible (converter) power supply BRD LV distribution board, uninterruptible (converter) power supply BRE LV distribution board, uninterruptible (converter) power supply BRF LV distribution board, uninterruptible (converter) power supply BRG LV distribution board, uninterruptible (converter) power supply BRH LV distribution board, uninterruptible (converter) power supply BRJ LV distribution board, uninterruptible (converter) power supply BRK LV distribution board, uninterruptible (converter) power supply BRL LV distribution board, uninterruptible (converter) power supply BRM LV distribution board, uninterruptible (converter) power supply BRN LV distribution board, uninterruptible (converter) power supply BRP LV distribution board, uninterruptible (converter) power supply BRQ LV distribution board, uninterruptible (converter) power supply BRR LV distribution board, uninterruptible (converter) power supply BRS LV distribution board, uninterruptible (converter) power supply BRT Converter (rotary) BRU Converter (static), inverter BRV Emergency power generating equipment (if not under *X* = Heavy Machinery) BRX Fluid supply system for control and protection equipment BRY Control and protection equipment BT Battery systems BTA Batteries BTB Batteries BTC Batteries BTD Batteries BTE Batteries BTF Batteries BTG Batteries BTH Batteries BTJ Batteries BTK Batteries BTL Rectifiers, battery chargers BTM Rectifiers, battery chargers BTN Rectifiers, battery chargers BTP Rectifiers, battery chargers BTQ Rectifiers, battery chargers BTR Rectifiers, battery chargers BTS Rectifiers, battery chargers BTT Rectifiers, battery chargers BTU Rectifiers, battery chargers BTV Rectifiers, battery chargers BTW Common equipment BTX Common equipment BTY Common equipment BTZ Common equipment BU DC distribution boards, normal system BUA DC distribution board BUB DC distribution board BUC DC distribution board BUD DC distribution board BUE DC distribution board BUF DC distribution board BUG DC distribution board BUH DC distribution board BUJ DC distribution board BUK DC distribution board BUL DC distribution board BUM DC distribution board BUN DC distribution board BUP DC distribution board BUQ DC distribution board BUR DC distribution board BUS DC distribution board BUX Fluid supply system for control and protection equipment BUY Control and protection equipment BV DC distribution boards, emergency power system 1 BVA DC distribution board BVB DC distribution board BVC DC distribution board BVD DC distribution board BVE DC distribution board BVF DC distribution board BVG DC distribution board BVH DC distribution board BVJ DC distribution board BVK DC distribution board BVL DC distribution board BVM DC distribution board BVN DC distribution board BVP DC distribution board BVQ DC distribution board BVR DC distribution board BVS DC distribution board BVX Fluid supply system for control and protection equipment BVY Control and protection equipment BW DC distribution boards, emergency power system 2 (protection against external impact) BWA DC distribution board BWB DC distribution board BWC DC distribution board BWD DC distribution board BWE DC distribution board BWF DC distribution board BWG DC distribution board BWH DC distribution board BWJ DC distribution board BWK DC distribution board BWL DC distribution board BWM DC distribution board BWN DC distribution board BWP DC distribution board BWQ DC distribution board BWR DC distribution board BWS DC distribution board BWX Fluid supply system for control and protection equipment BWY Control and protection equipment BX Fluid supply system for control and protection equipment BXA Fluid supply system for control and protection equipment BXB Fluid supply system for control and protection equipment BXC Fluid supply system for control and protection equipment BXD Fluid supply system for control and protection equipment BXE Fluid supply system for control and protection equipment BXF Fluid supply system for control and protection equipment BXG Fluid supply system for control and protection equipment BXH Fluid supply system for control and protection equipment BXJ Fluid supply system for control and protection equipment BXK Fluid supply system for control and protection equipment BXL Fluid supply system for control and protection equipment BXM Fluid supply system for control and protection equipment BXN Fluid supply system for control and protection equipment BXP Fluid supply system for control and protection equipment BXQ Fluid supply system for control and protection equipment BXR Fluid supply system for control and protection equipment BXS Fluid supply system for control and protection equipment BXT Fluid supply system for control and protection equipment BXU Fluid supply system for control and protection equipment BY Control and protection equipment BYA Control and protection equipment BYB Control and protection equipment BYC Control and protection equipment BYD Control and protection equipment BYE Control and protection equipment BYF Control and protection equipment BYG Control and protection equipment BYH Control and protection equipment BYJ Control and protection equipment BYK Control and protection equipment BYL Control and protection equipment BYM Control and protection equipment BYN Control and protection equipment BYP Control and protection equipment BYQ Control and protection equipment BYR Control and protection equipment BYS Control and protection equipment BYT Control and protection equipment BYU Control and protection equipment CA Protective interlocks CAA Cabinets for protective interlocks CAB Cabinets for protective interlocks CAC Cabinets for protective interlocks CAD Cabinets for protective interlocks CAE Cabinets for protective interlocks CAF Cabinets for protective interlocks CAG Cabinets for protective interlocks CAH Cabinets for protective interlocks CAJ Cabinets for protective interlocks CAK Cabinets for protective interlocks CAL Cabinets for protective interlocks CAM Cabinets for protective interlocks CAN Cabinets for protective interlocks CAP Cabinets for protective interlocks CAQ Cabinets for protective interlocks CAR Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAS Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAT Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAU Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAV Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAW Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAX Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CAY Cabinets for protective interlocks, installation in the secured area (of nuclear power plant) CB Functional group control, subloop control CBA Cabinets for functional group control CBB Cabinets for functional group control CBC Cabinets for functional group control CBD Cabinets for functional group control CBE Cabinets for functional group control CBF Cabinets for functional group control CBG Cabinets for functional group control CBH Cabinets for functional group control CBJ Cabinets for functional group control CBK Cabinets for functional group control CBL Cabinets for functional group control CBM Cabinets for functional group control CBN Cabinets for functional group control CBP Cabinets for synchronization CBQ Cabinets for auxiliary power changeover CBR Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBS Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBT Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBU Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBV Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBW Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBX Cabinets for functional group control, installation in the secured area (of nuclear power plant) CBY Cabinets for functional group control, installation in the secured area (of nuclear power plant) CC Binary signal conditioning CCA Cabinets for binary signal conditioning CCB Cabinets for binary signal conditioning CCC Cabinets for binary signal conditioning CCD Cabinets for binary signal conditioning CCE Cabinets for binary signal conditioning CCF Cabinets for binary signal conditioning CCG Cabinets for binary signal conditioning CCH Cabinets for binary signal conditioning CCJ Cabinets for binary signal conditioning CCK Cabinets for binary signal conditioning CCL Cabinets for binary signal conditioning CCM Cabinets for binary signal conditioning CCN Cabinets for binary signal conditioning CCP Cabinets for binary signal conditioning CCQ Cabinets for binary signal conditioning CCR Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCS Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCT Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCU Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCV Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCW Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCX Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CCY Cabinets for binary signal conditioning, installation in the secured area (of nuclear power plant) CD Drive control interface CDA Cabinets for drive control interface CDB Cabinets for drive control interface CDC Cabinets for drive control interface CDD Cabinets for drive control interface CDE Cabinets for drive control interface CDF Cabinets for drive control interface CDG Cabinets for drive control interface CDH Cabinets for drive control interface CDJ Cabinets for drive control interface CDK Cabinets for drive control interface CDL Cabinets for drive control interface CDM Cabinets for drive control interface CDN Cabinets for drive control interface CDP Cabinets for drive control interface CDQ Cabinets for drive control interface CDR Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDS Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDT Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDU Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDV Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDW Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDX Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CDY Cabinets for drive control interface, installation in the secured area (of nuclear power plant) CE Annunciation CEA Cabinets for annunciation systems CEB Cabinets for annunciation systems CEC Cabinets for annunciation systems CED Cabinets for annunciation systems CEE Cabinets for annunciation systems CEF Cabinets for annunciation systems CEG Cabinets for annunciation systems CEH Cabinets for annunciation systems CEJ Fault recording CEK Fault recording CEL Fault recording CEM Fault recording CEN Fault recording CEP Fault recording CEQ Fault recording CER Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CES Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CET Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CEU Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CEV Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CEW Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CEX Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CEY Cabinets for annunciation systems, installation in the secured area (of nuclear power plant) CF Measurement, recording CFA Cabinets for measurement CFB Cabinets for measurement CFC Cabinets for measurement CFD Cabinets for measurement CFE Cabinets for measurement CFF Cabinets for measurement CFG Cabinets for reactor instrumentation CFH Cabinets for reactor instrumentation CFJ Cabinets for reactor instrumentation CFK Cabinets for reactor instrumentation CFL Cabinets for radiation measurement CFM Cabinets for radiation measurement CFN Cabinets for radiation measurement CFP Cabinets for radiation measurement CFQ Cabinets for recording (meters, pen recorders) CFR Cabinets for measurement, installation in the secured area (of nuclear power plant) CFS Cabinets for measurement, installation in the secured area (of nuclear power plant) CFT Cabinets for measurement, installation in the secured area (of nuclear power plant) CFU Cabinets for measurement, installation in the secured area (of nuclear power plant) CFV Cabinets for measurement, installation in the secured area (of nuclear power plant) CFW Cabinets for measurement, installation in the secured area (of nuclear power plant) CFX Cabinets for measurement, installation in the secured area (of nuclear power plant) CFY Cabinets for measurement, installation in the secured area (of nuclear power plant) CG Closed-loop control (excl. power section) CGA Cabinets for closed-loop control CGB Cabinets for closed-loop control CGC Cabinets for closed-loop control CGD Cabinets for closed-loop control CGE Cabinets for closed-loop control CGF Cabinets for closed-loop control CGG Cabinets for closed-loop control CGH Cabinets for closed-loop control CGJ Cabinets for reactor control CGK Cabinets for reactor control CGL Cabinets for reactor control CGM Cabinets for reactor control CGN Cabinets for reactor control CGP Cabinets for reactor control CGQ Cabinets for reactor control CGR Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGS Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGT Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGU Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGV Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGW Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGX Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CGY Cabinets for closed-loop control, installation in the secured area (of nuclear power plant) CH Protection (excl. reactor protection) CHA Cabinets for generator and transformer protection CHB Cabinets for generator and transformer protection CHC Cabinets for generator and transformer protection CHD Cabinets for generator and transformer protection CHE Cabinets for protection (excl. reactor protection) CHF Cabinets for protection (excl. reactor protection) CHG Cabinets for protection (excl. reactor protection) CHH Cabinets for protection (excl. reactor protection) CHJ Cabinets for protection (excl. reactor protection) CHK Cabinets for protection (excl. reactor protection) CHL Cabinets for protection (excl. reactor protection) CHM Cabinets for protection (excl. reactor protection) CHN Cabinets for protection (excl. reactor protection) CHP Cabinets for protection (excl. reactor protection) CHQ Cabinets for protection (excl. reactor protection) CHR Cabinets for protection (excl. reactor protection) CHS Cabinets for protection (excl. reactor protection) CHT Cabinets for protection (excl. reactor protection) CHU Cabinets for protection (excl. reactor protection) CHV Cabinets for protection (excl. reactor protection) CHW Cabinets for protection (excl. reactor protection) CHX Cabinets for protection (excl. reactor protection) CHY Cabinets for protection (excl. reactor protection) CJ Unit coordination level CJA Unit control system (including cabinets) CJD Start-up control, setpoint control (unit) (incl. cabinets) CJF Boiler control system (incl. cabinets) CJJ Instrumentation and control cabinets for steam turbine set CJK Instrumentation and control cabinets for steam turbine set CJL Instrumentation and control cabinets for steam turbine set CJM Instrumentation and control cabinets for steam turbine set CJN Instrumentation and control cabinets for steam turbine set CJP Instrumentation and control cabinets for gas turbine set CJQ Instrumentation and control cabinets for gas turbine set CJR Instrumentation and control cabinets for gas turbine set CJS Instrumentation and control cabinets for gas turbine set CJT Instrumentation and control cabinets for gas turbine set CJU Instrumentation and control cabinets for other main and heavy machinery CJV Instrumentation and control cabinets for other main and heavy machinery CJW Instrumentation and control cabinets for other main and heavy machinery CJX Instrumentation and control cabinets for other main and heavy machinery CJY Instrumentation and control cabinets for other main and heavy machinery CK Process computer system CKA Online supervisory and diagnostic computer CKB Online supervisory and diagnostic computer CKC Online supervisory and diagnostic computer CKD Online supervisory and diagnostic computer CKE Online supervisory and diagnostic computer CKF Online supervisory and diagnostic computer CKG Online supervisory and diagnostic computer CKH Online supervisory and diagnostic computer CKJ Access control computer CKK Access control computer CKL Access control computer CKM Access control computer CKN Process computer system CKP Process computer system CKQ Process computer system CKR Process computer system CKS Process computer system CKT Process computer system CKU Process computer system CKV Process computer system CKW Process computer system CKX Process computer system CKY Process computer system CL Reactor protection CLA Cabinets for reactor protection CLB Cabinets for reactor protection CLC Cabinets for reactor protection CLD Cabinets for reactor protection CLE Cabinets for reactor protection CLF Cabinets for reactor protection CLG Cabinets for reactor protection CLH Cabinets for reactor protection CLJ Cabinets for reactor protection CLK Cabinets for reactor protection CLL Cabinets for reactor protection CLM Cabinets for reactor protection CLN Cabinets for reactor protection CLP Cabinets for reactor protection CLQ Cabinets for reactor protection CLR Cabinets for reactor protection CLS Cabinets for reactor protection CLT Cabinets for reactor protection CLU Cabinets for reactor protection CLV Cabinets for reactor protection CLW Cabinets for reactor protection CLX Cabinets for reactor protection CLY Cabinets for reactor protection CM Plant management computer system CMA Plant management computer CMB Computer network CR Programmable process control systems and associated cabinets CRA Cabinets for automation systems, e. g. unit control level, function unit 1 CRB Cabinets for automation systems, function unit 2 CRC Cabinets for automation systems, function unit 3 CRD Cabinets for automation systems, function unit 4 CRE Cabinets for automation systems, function unit 5 CRF Cabinets for automation systems, function unit 6 CRG Cabinets for automation systems, function unit 7 CRK Cabinets for automation systems, e. g. several function units CRN Automation systems, e. g. operational CRP Automation systems, e. g. fail-safe CRQ Automation systems, e. g. AS620-T CRR Communications systems, e. g. terminal bus system CRS Communications systems, e. g. plant bus system CRT Communications systems, e. g. field bus system CRU Process control and information system, e. g. OM650 CRV Configuring system, e. g. ES680 CRW Diagnostics system, e. g. DS670 CRY Common superordinate systems CU Closed-loop control (power section) CUA Cabinets for power adjuster 400V AC, e. g. function unit 1 CUB Cabinets for power adjuster 400V AC, e. g. function unit 2 CUC Cabinets for power adjuster 400V AC, e. g. function unit 3 CUD Cabinets for power adjuster 400V AC, e. g. function unit 4 CUE Cabinets for power adjuster 400V AC, e. g. function unit 5 CUF Cabinets for power adjuster 400V AC, e. g. function unit 6 CUG Cabinets for power adjuster 400V AC, e. g. function unit 7 CUH Cabinets for power adjuster CUJ Cabinets for power adjuster CUK Cabinets for power adjuster CUL Cabinets for interposing relays for 24 V DC solenoid valves CUM Cabinets for power supply of hardwired control room CUN Cabinets for 24 V DC fuses CUP Cabinets for 230 V DC fuses CUQ Cabinets for power adjuster CUR Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUS Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUT Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUU Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUV Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUW Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUX Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CUY Cabinets for power adjuster, installation in the secured area (of nuclear power plant) CV Marshalling racks CVA Marshalling racks CVB Marshalling racks CVC Marshalling racks CVD Marshalling racks CVE Marshalling racks CVF Marshalling racks CVG Marshalling racks CVH Marshalling racks CVJ Marshalling racks CVK Marshalling racks CVL Marshalling racks CVM Marshalling racks CVN Marshalling racks CVP Marshalling racks CVQ Marshalling racks CVR Marshalling racks CVS Marshalling racks CVT Marshalling racks CVU Marshalling racks CVV Marshalling racks CVW Marshalling racks CVX Marshalling racks CVY Marshalling racks CW Control rooms CWA Main control consoles CWB Main control consoles CWC Main control consoles CWD Main control consoles CWE Main control consoles CWF Main control panels CWG Main control panels CWH Main control panels CWJ Main control panels CWK Main control panels CWL Main control panels CWM Main control panels CWN Main control panels CWP Main control panels CWQ Consoles and panels in control rooms CWR Consoles and panels in control rooms CWS Consoles and panels in control rooms CWT Consoles and panels in control rooms CWU Consoles and panels in control rooms CWV Consoles and panels in control rooms CWW Consoles and panels in control rooms CWX Consoles and panels in control rooms CWY Consoles and panels in control rooms CX Local control stations (e. g. for solid fuel supply system, ash removal system, cooling water system, diesel engine plant, monitoring of generator cooling, emergency control station) CXA Local control station CXB Local control station CXC Local control station CXD Local control station CXE Local control station CXF Local control station CXG Local control station CXH Local control station CXJ Local control station CXK Local control station CXL Local control station CXM Local control station CXN Local control station CXP Local control station CXQ Local control station CXR Local control station CXS Local control station CXT Local control station CXU Local control station CXV Local control station CXW Local control station CXX Local control station CXY Local control station CY Communication equipment CYA Telephone system (PABX) CYB Control console telephone system CYC Alarm system (acoustic) CYD Alarm system (optical) CYE Fire alarm system CYF Clock system CYG Remote control system CYH Telemetry system CYJ Remote metering system CYK HF carrier telephone system CYL Staff paging system, wireless CYM Staff paging system, inductive CYN Staff paging system, hardwired CYP Optical monitoring system (Plant TV system) CYQ General gas detection system (if not assigned to specific system) CYR Pneumatic tube conveyor CYS Radiotelephone system CYY Telephone system for commissioning EA Unloading and storage of waste and sewage sludge EA Unloading and storage of solid fuels EA Unloading and storage of solid fuels EA Unloading and storage of waste and sewage sludge EAA Ship unloading system EAB Rail wagon and truck unloading bay EAC Transport system EAD Stacking system EAE Bunker system, storage area (stockyard) EAE Waste and sewage sludge storage EAE Waste and sewage sludge storage EAE Bunker system, storage area (stockyard) EAF Bucket wheel system, reclaimer system EAT Weighing equipment EAU Sampling equipment EAV Lubricant supply system EAX Fluid supply system for control and protection equipment EAY Control and protection equipment EB Mechanical treatment of waste and sewage sludge EB Mechanical treatment of waste and sewage sludge EB Mechanical treatment of solid fuels (also for gas generation and treatment) (crushing, mixing, drying etc.) EB Mechanical treatment of solid fuels (also for gas generation and treatment) (crushing, mixing, drying etc.) EBA Transport system EBA Waste crane EBA Waste crane EBA Transport system EBB Mixing system EBC Crushing system, pulverizing system EBC Waste crushing system EBC Crushing system, pulverizing system EBC Waste crushing system EBD Screening system EBE Separator system and discharge equipment thereof EBF Sewage sludge transport and distribution system EBF Sewage sludge transport and distribution system EBF Temporary storage system for milled raw coal EBF Temporary storage system for milled raw coal EBG Sewage sludge lubricant dosing EBG Predrying system EBG Predrying system EBG Sewage sludge lubricant dosing EBH Main drying system EBJ Dried coal transport system incl. aftercooling EBK Dried coal temporary storage system EBL Vapor compressor system EBM Exhaust system EBR Residues removal system EBT Weighing equipment EBU Sampling equipment EBV Lubricant supply system EBX Fluid supply system for control and protection equipment EBY Control and protection equipment EC Distribution of solid fuels ECA Distribution of solid fuels ECB Distribution of solid fuels ECC Distribution of solid fuels ECD Distribution of solid fuels ECE Distribution of solid fuels ECF Distribution of solid fuels ECG Distribution of solid fuels ECH Distribution of solid fuels ECJ Distribution of solid fuels ECK Distribution of solid fuels ECL Distribution of solid fuels ECM Distribution of solid fuels ECN Distribution of solid fuels ECP Distribution of solid fuels ECQ Distribution of solid fuels ECR Distribution of solid fuels ECS Distribution of solid fuels ECT Weighing equipment ECU Sampling equipment ECX Fluid supply system for control and protection equipment ECY Control and protection equipment ED Chemical treatment of solid fuels incl. residues removal (e. g. desulfurization plant) EDA Chemical treatment of solid fuels incl. residues removal EDB Chemical treatment of solid fuels incl. residues removal EDC Chemical treatment of solid fuels incl. residues removal EDD Chemical treatment of solid fuels incl. residues removal EDE Chemical treatment of solid fuels incl. residues removal EDF Chemical treatment of solid fuels incl. residues removal EDG Chemical treatment of solid fuels incl. residues removal EDH Chemical treatment of solid fuels incl. residues removal EDJ Chemical treatment of solid fuels incl. residues removal EDK Chemical treatment of solid fuels incl. residues removal EDL Chemical treatment of solid fuels incl. residues removal EDM Chemical treatment of solid fuels incl. residues removal EDN Chemical treatment of solid fuels incl. residues removal EDP Chemical treatment of solid fuels incl. residues removal EDQ Chemical treatment of solid fuels incl. residues removal EDR Chemical treatment of solid fuels incl. residues removal EDS Chemical treatment of solid fuels incl. residues removal EDT Chemical treatment of solid fuels incl. residues removal EDU Chemical treatment of solid fuels incl. residues removal EDV Lubricant supply system EDX Fluid supply system for control and protection equipment EDY Control and protection equipment EE Conversion of solid fuels (gas generation and treatment see function key *R*) EE Conversion of waste and sewage sludge EE Conversion of waste and sewage sludge EE Conversion of solid fuels (gas generation and treatment see function key *R*) EEA Waste and sewage sludge charging EEA Conversion of solid fuels EEA Conversion of solid fuels EEA Waste and sewage sludge charging EEB Conversion drum system EEB Conversion of solid fuels EEB Conversion of solid fuels EEB Conversion drum system EEC Conversion of solid fuels EEC Conversion of solid fuels EEC Process gas system EEC Process gas system EED Conversion of solid fuels EEE Conversion of solid fuels EEF Oil temporary storage, pump and distribution system EEF Conversion of solid fuels EEF Oil temporary storage, pump and distribution system EEF Conversion of solid fuels EEG Conversion of solid fuels EEH Conversion of solid fuels EEJ Conversion of solid fuels EEK Conversion of solid fuels EEL Conversion of solid fuels EEM Conversion of solid fuels EEN Conversion of solid fuels EEN Conversion of solid fuels EEN Cooling air and ignition air system EEN Cooling air and ignition air system EEP Combustion air system EEP Conversion of solid fuels EEP Combustion air system EEP Conversion of solid fuels EEQ Conversion of solid fuels EEQ Conversion of solid fuels EEQ Natural gas distribution system EEQ Natural gas distribution system EER Conversion of solid fuels EER Natural gas burner EER Conversion of solid fuels EER Natural gas burner EES Heating gas system for conversion drum EES Conversion of solid fuels EES Heating gas system for conversion drum EES Conversion of solid fuels EET Heating gas fan system for conversion drum EET Conversion of solid fuels EET Heating gas fan system for conversion drum EET Conversion of solid fuels EEU Conversion of solid fuels EEV Lubricant supply system EEW Sealing fluid supply system, exhaust system conversion drum sealing EEX Fluid supply system for control and protection equipment EEY Control and protection equipment EG Supply of liquid fuels EGA Receiving equipment incl. pipeline EGB Tank farm EGB Tank farm of liquid fuels (emergency diesel) EGB Tank farm EGB Tank farm of liquid fuels (emergency diesel) EGC Pump system EGD Piping system EGD Piping system of liquid fuels (emergency diesel) EGD Piping system EGD Piping system of liquid fuels (emergency diesel) EGR Residues removal system EGT Heating medium system EGV Lubricant supply system EGX Fluid supply system for control and protection equipment EGY Control and protection equipment EH Chemical treatment of liquid fuels incl. residues removal EHA Chemical treatment of liquid fuels EHB Chemical treatment of liquid fuels EHC Additive dosing system EHD Chemical treatment of liquid fuels EHE Chemical treatment of liquid fuels EHF Chemical treatment of liquid fuels EHG Chemical treatment of light fuel oil EHH Chemical treatment of liquid fuels EHJ Chemical treatment of liquid fuels EHK Chemical treatment of liquid fuels EHL Chemical treatment of liquid fuels EHM Chemical treatment of liquid fuels EHN Chemical treatment of heavy fuel oil EHP Chemical treatment of liquid fuels EHQ Chemical treatment of liquid fuels EHR Chemical treatment of liquid fuels EHS Chemical treatment of liquid fuels EHT Heating medium system EHU Chemical treatment of liquid fuels EHV Lubricant supply system EHX Fluid supply system for control and protection equipment EHY Control and protection equipment EK Supply of gaseous fuels EKA Receiving equipment incl. pipeline EKB Moisture separation system EKC Heating system EKD Main reducing station, expansion turbine EKE Mechanical cleaning, scrubbing EKF Storage system EKG Piping system EKH Main pressure boosting system EKR Residues removal system EKT Heating medium system EKV Lubricant supply system EKW Sealing fluid supply system EKX Fluid supply system for control and protection equipment EKY Control and protection equipment EL Chemical treatment of gaseous fuels incl. residues removal ELA Condensation of process gas ELA Condensation of process gas ELA Chemical treatment of gaseous fuels incl. residues removal ELA Chemical treatment of gaseous fuels incl. residues removal ELB Chemical treatment of gaseous fuels incl. residues removal ELC Chemical treatment of gaseous fuels incl. residues removal ELD Chemical treatment of gaseous fuels incl. residues removal ELE Chemical treatment of gaseous fuels incl. residues removal ELF Chemical treatment of gaseous fuels incl. residues removal ELG Chemical treatment of gaseous fuels incl. residues removal ELH Chemical treatment of gaseous fuels incl. residues removal ELJ Chemical treatment of gaseous fuels incl. residues removal ELK Chemical treatment of gaseous fuels incl. residues removal ELL Chemical treatment of gaseous fuels incl. residues removal ELM Chemical treatment of gaseous fuels incl. residues removal ELN Chemical treatment of gaseous fuels incl. residues removal ELP Chemical treatment of gaseous fuels incl. residues removal ELQ Chemical treatment of gaseous fuels incl. residues removal ELR Chemical treatment of gaseous fuels incl. residues removal ELS Chemical treatment of gaseous fuels incl. residues removal ELT Chemical treatment of gaseous fuels incl. residues removal ELV Lubricant supply system ELW Sealing fluid supply system ELX Fluid supply system for control and protection equipment ELY Control and protection equipment EM Supply and treatment of fluxing agents EMA Supply and treatment of fluxing agents EMB Supply and treatment of fluxing agents EMC Supply and treatment of fluxing agents EMD Supply and treatment of fluxing agents EME Supply and treatment of fluxing agents EMF Supply and treatment of fluxing agents EMG Supply and treatment of fluxing agents EMH Supply and treatment of fluxing agents EMJ Supply and treatment of fluxing agents EMK Supply and treatment of fluxing agents EML Supply and treatment of fluxing agents EMM Supply and treatment of fluxing agents EMN Supply and treatment of fluxing agents EMP Supply and treatment of fluxing agents EMQ Supply and treatment of fluxing agents EMR Supply and treatment of fluxing agents EMS Supply and treatment of fluxing agents EMT Supply and treatment of fluxing agents EMU Supply and treatment of fluxing agents EMV Lubricant supply system EMX Fluid supply system for control and protection equipment EMY Control and protection equipment EN Supply of other fuels (only for combinations of different fuel types) ENA Receiving equipment incl. pipeline ENB Tank farm ENC Pump system END Piping system ENR Residues removal system ENT Heating medium system ENV Lubricant supply system ENX Fluid supply system for control and protection equipment ENY Control and protection equipment EP Treatment of other fuels (only for combinations of different fuel types) EPC Pump system EPG Physical treatment of light fuel oil EPN Physical treatment of heavy fuel oil EPT Heating medium system EPV Lubricant supply system EPX Fluid supply system for control and protection equipment EPY Control and protection equipment EQ Conversion of other fuels (only for combiations of different fuel types) EQA Conversion of other fuels EQB Conversion of other fuels EQC Conversion of other fuels EQD Conversion of other fuels EQE Conversion of other fuels EQF Conversion of other fuels EQG Conversion of other fuels EQH Conversion of other fuels EQJ Conversion of other fuels EQK Conversion of other fuels EQL Conversion of other fuels EQM Conversion of other fuels EQN Conversion of other fuels EQP Conversion of other fuels EQQ Conversion of other fuels EQR Conversion of other fuels EQS Conversion of other fuels EQT Conversion of other fuels EQU Conversion of other fuels EQV Lubricant supply system EQX Fluid supply system for control and protection equipment EQY Control and protection equipment ER Ignition fuel supply ERA Pulverized coal supply system ERB Oil supply system ERC Gas supply system ERC Gas supply system ERC Ignition gas supply system ERC Ignition gas supply system ERV Lubricant supply system ERX Fluid supply system for control and protection equipment ERY Control and protection equipment ET Ash and slag removal system (from excl. removal equipment) ETA Wet ash conveying system ETA Wet ash conveying system ETB Storage or settling pond for wet ash ETC Wet ash dredger ETD Conveying system for granulate ETE Storage system for granulate ETG Conveying system for dry ash ETH Storage system for dry ash ETK Common conveying system for wet and dry ash ETL Common storage system for wet and dry ash ETM Settling plant for wet and dry ash ETN Forwarding, distribution, recovery and disposal systems for flushing and ash water ETP Generation and distribution systems for carrier air ETV Lubricant supply system ETX Fluid supply system for control and protection equipment ETY Control and protection equipment EU Treatment and transport system for combustion, fuel treatment, fuel conversion, flue gas cleaning, gas generation residues EUA Treatment system for fuel treatment residues EUB Treatment system for fuel conversion residues EUB Recyclable products separation, forwarding and storage system EUB Recyclable products separation, forwarding and storage system EUB Treatment system for fuel conversion residues EUC Treatment system for fuel combustion residues EUD Treatment system for flue gas cleaning residues EUE Treatment system for gas generation and treatment residues EUF Treatment system for fuel treatment residues (only if *EUA* is not sufficient for identification) EUG Treatment system for fuel treatment residues (only if *EUA* and *EUF* are not sufficient for identification) EUH Treatment system for fuel conversion residues (only if *EUB* is not sufficient for identification) EUJ Treatment system for fuel conversion residues (only if *EUB* and *EUH* are not sufficient for identification) EUK Treatment system for fuel combustion residues (only if *EUC* is not sufficient for identification) EUL Treatment system for fuel combustion residues (only if *EUC* and *EUK* are not sufficient for identification) EUM Treatment system for flue gas cleaning residues (only if *EUD* is not sufficient for identification) EUN Treatment system for flue gas cleaning residues (only if *EUD* and *EUM* are not sufficient for identification) EUP Treatment system for gas generation and treatment residues (only if *EUE* is not sufficient for identification) EUQ Treatment system for gas generation and treatment residues (only if *EUE* and *EUP* are not sufficient for identification) EUV Lubricant supply system EUX Fluid supply system for control and protection equipment EUY Control and protection equipment EV Lubricant supply system EVA Lubricant supply system EVB Lubricant supply system EVC Lubricant supply system EVD Lubricant supply system EVE Lubricant supply system EVF Lubricant supply system EVG Lubricant supply system EVH Lubricant supply system EVJ Lubricant supply system EVK Lubricant supply system EVL Lubricant supply system EVM Lubricant supply system EVN Lubricant supply system EVP Lubricant supply system EVQ Lubricant supply system EVR Lubricant supply system EVS Lubricant supply system EVT Lubricant supply system EVU Lubricant supply system EW Sealing fluid supply system EWA Sealing fluid supply system EWB Sealing fluid supply system EWC Sealing fluid supply system EWD Sealing fluid supply system EWE Sealing fluid supply system EWF Sealing fluid supply system EWG Sealing fluid supply system EWH Sealing fluid supply system EWJ Sealing fluid supply system EWK Sealing fluid supply system EWL Sealing fluid supply system EWM Sealing fluid supply system EWN Sealing fluid supply system EWP Sealing fluid supply system EWQ Sealing fluid supply system EWR Sealing fluid supply system EWS Sealing fluid supply system EWT Sealing fluid supply system EWU Sealing fluid supply system EX Fluid supply system for control and protection equipment EXA Fluid supply system for control and protection equipment EXB Fluid supply system for control and protection equipment EXC Fluid supply system for control and protection equipment EXD Fluid supply system for control and protection equipment EXE Fluid supply system for control and protection equipment EXF Fluid supply system for control and protection equipment EXG Fluid supply system for control and protection equipment EXH Fluid supply system for control and protection equipment EXJ Fluid supply system for control and protection equipment EXK Fluid supply system for control and protection equipment EXL Fluid supply system for control and protection equipment EXM Fluid supply system for control and protection equipment EXN Fluid supply system for control and protection equipment EXP Fluid supply system for control and protection equipment EXQ Fluid supply system for control and protection equipment EXR Fluid supply system for control and protection equipment EXS Fluid supply system for control and protection equipment EXT Fluid supply system for control and protection equipment EXU Fluid supply system for control and protection equipment EY Control and protection equipment EYA Control and protection equipment EYB Control and protection equipment EYC Control and protection equipment EYD Control and protection equipment EYE Control and protection equipment EYF Control and protection equipment EYG Control and protection equipment EYH Control and protection equipment EYJ Control and protection equipment EYK Control and protection equipment EYL Control and protection equipment EYM Control and protection equipment EYN Control and protection equipment EYP Control and protection equipment EYQ Control and protection equipment EYR Control and protection equipment EYS Control and protection equipment EYT Control and protection equipment EYU Control and protection equipment GA Raw water supply GA Raw water treatment GA Raw water supply GA Raw water treatment GAA Extraction, mechanical cleaning GAC Piping and channel system GAD Storage system GAF Pump system GAV Lubricant supply system GAX Fluid supply system for control and protection equipment GAY Control and protection equipment GB Treatment system (carbonate hardness removal) incl. cooling tower make-up water treatment system GBB Filtering, mechanical cleaning system GBC Aeration, gas injection system GBD Precipitation system (e. g. for carbonate hardness removal) GBE Acid proportioning system (e. g. for carbonate hardness removal) GBF Ion exchange, reverse osmosis system (e. g. for carbonate hardness removal) GBG Evaporation system (e. g. for carbonate hardness removal) GBH Deaeration, drying system GBJ Preheating, cooling system GBK Piping system, temporary storage system, pump system for main fluid GBL Storage system outside fluid treatment system (if not part of another system) GBN Chemicals supply system GBP Regeneration, flushing equipment GBQ Injection system for main fluid (for hardness stablisation) GBR Flushing water and residues removal system incl. neutralization GBS Sludge thickening system GBT Heating, cooling and flushing fluid distribution system GBV Lubricant supply system GBX Fluid supply system for control and protection equipment GBY Control and protection equipment GC Treatment system (demineralization) GCB Filtering, mechanical cleaning system GCC Aeration, gas injection system GCD Precipitation system (e. g. for carbonate hardness removal) GCE Acid proportioning system (e. g. for carbonate hardness removal) GCF Ion exchange, reverse osmosis system (e. g. for demineralization) GCG Evaporation system (e. g. for demineralization) GCH Deaeration, drying system GCJ Preheating, cooling system GCK Piping system, temporary storage system, pump system for main fluid GCL Storage system outside fluid treatment system (if not part of another system) GCN Chemicals supply system GCP Regeneration, flushing equipment GCQ Injection system for main fluid GCR Flushing water and residues removal system incl. neutralization GCS Sludge thickening system GCT Heating, cooling and flushing fluid distribution system GCV Lubricant supply system GCX Fluid supply system for control and protection equipment GCY Control and protection equipment GD Treatment system (others), blowdown demineralizing system GDB Filtering, mechanical cleaning system GDC Aearation, gas injection system GDD Precipitation system (e. g. for carbonate hardness removal) GDE Acid proportioning system (e. g. for carbonate hardness removal) GDF Ion exchange, reverse osmosis system (e. g. for demineralization) GDG Evaporation system (e. g. for demineralization) GDH Deaeration, drying system GDJ Preheating, cooling system GDK Piping system, temporary storage system, pump system for main fluid GDL Storage system outside fluid treatment system (if not part of another system) GDN Chemicals supply system GDP Regeneration, flushing equipment GDQ Injection system for main fluid GDR Flushing water and residues removal system incl. neutralization GDS Sludge thickening system GDT Heating, cooling and flushing fluid distribution system GDV Lubricant supply system GDX Fluid supply system for control and protection equipment GDY Control and protection equipment GE Water softener GEF Ion exchange GEK Piping system, storage system and pump system GEN Chemicals supply system incl. dosing system GEP Regeneration, flushing equipment GER Flushing water and residues removal system incl. neutralization GEX Fluid supply system for control and protection equipment GEY Control and protection equipment GH Distribution systems (not drinking water) GH Distribution systems (not potable water) GHB Distribution system after treatment (carbonate hardness removal) GHC Distribution system after treatment (demineralization) (demineralized water supply system) GHD Raw water distribution system GHD Raw water distribution system GHD Distribution system after treatment (others) (stand-by water supply) GHD Distribution system after treatment (others) (stand-by water supply) GHE Distribution system (not drinking water) GHF Distribution system (not drinking water) GHG Distribution system (not drinking water) GHH Distribution system (not drinking water) GHJ Distribution system (not drinking water) GHK Distribution system (not drinking water) GHL Distribution system (not drinking water) GHM Distribution system (not drinking water) GHN Distribution system (not drinking water) GHP Distribution system (not drinking water) GHQ Distribution system (not drinking water) GHR Distribution system (not drinking water) GHS Distribution system (not drinking water) GHT Distribution system (not drinking water) GHU Distribution system (not drinking water) GHX Fluid supply system for control and protection equipment GHY Control and protection equipment GK Potable water supply GK Drinking water supply GKA Receiving point GKB Storage, forwarding, distribution system GKB Potable water distribution system GKB Storage, forwarding, distribution system GKB Potable water distribution system GKC Drinking water supply (e. g. assigned to structures) GKC Drinking water supply (e. g. assigned to structures) GKC Potable water distribution system for grid systems switchgear building *UAB* GKC Potable water distribution system for grid systems switchgear building *UAB* GKD Drinking water supply (e. g. assigned to structures) GKE Drinking water supply (e. g. assigned to structures) GKE Potable water distribution system for delivery area *UEA* GKE Potable water distribution system for delivery area *UEA* GKE Drinking water supply (e. g. assigned to structures) GKF Drinking water supply (e. g. assigned to structures) GKF Potable water distribution system for steam generator building *UHA* GKF Potable water distribution system for steam generator building *UHA* GKF Drinking water supply (e. g. assigned to structures) GKG Drinking water supply (e. g. assigned to structures) GKH Potable water distribution system for conversion drum building *UHC* GKH Potable water distribution system for conversion drum building *UHC* GKH Drinking water supply (e. g. assigned to structures) GKH Drinking water supply (e. g. assigned to structures) GKJ Drinking water supply (e. g. assigned to structures) GKK Drinking water supply (e. g. assigned to structures) GKL Drinking water supply (e. g. assigned to structures) GKM Drinking water supply (e. g. assigned to structures) GKM Potable water distribution system for steam turbine building *UMA* GKM Drinking water supply (e. g. assigned to structures) GKM Potable water distribution system for steam turbine building *UMA* GKN Drinking water supply (e. g. assigned to structures) GKP Drinking water supply (e. g. assigned to structures) GKQ Drinking water supply (e. g. assigned to structures) GKR Drinking water supply (e. g. assigned to structures) GKR Drinking water supply (e. g. assigned to structures) GKR Potable water distribution system flue gas treatment building *UVG* GKR Potable water distribution system flue gas treatment building *UVG* GKS Drinking water supply (e. g. assigned to structures) GKT Drinking water supply (e. g. assigned to structures) GKT Potable water distribution system for waste pit *UEB* GKT Potable water distribution system for waste pit *UEB* GKT Drinking water supply (e. g. assigned to structures) GKU Drinking water supply (e. g. assigned to structures) GKV Potable water distribution system for office and staff amenities building *UYA* GKX Potable water distribution ystem for gate house *UYE* GKX Potable water distribution ystem for gate house *UYE* GKX Fluid supply system for control and protection equipment GKX Fluid supply system for control and protection equipment GKY Potable water distribution system for structure for weigh scale *UEK* GKY Control and protection equipment GKY Potable water distribution system for structure for weigh scale *UEK* GKY Control and protection equipment GKZ Potable water distribution system for analysis building *UVJ* GM Plant drainage system GMA Plant drainage system (e. g. assigned to structures) GMA Central disposal system GMA Central disposal system GMA Plant drainage system (e. g. assigned to structures) GMB Plant drainage system (e. g. assigned to structures) GMC Plant drainage system (e. g. assigned to structures) GMD Plant drainage system (e. g. assigned to structures) GMD Plant drainage system (e. g. assigned to structures) GMD Plant drainage systems for switchgear building *UBA* GMD Plant drainage systems for switchgear building *UBA* GME Plant drainage system (e. g. assigned to structures) GMF Plant drainage systems for steam generator building *UHA* GMF Plant drainage system (e. g. assigned to structures) GMF Plant drainage system (e. g. assigned to structures) GMF Plant drainage systems for steam generator building *UHA* GMG Plant drainage system (e. g. assigned to structures) GMG Plant drainage systems for structure for raw water supply *UGA* GMG Plant drainage systems for structure for raw water supply *UGA* GMG Plant drainage system (e. g. assigned to structures) GMH Plant drainage systems for conversion drum building *UHC* GMH Plant drainage system (e. g. assigned to structures) GMH Plant drainage systems for conversion drum building *UHC* GMH Plant drainage system (e. g. assigned to structures) GMJ Plant drainage system (e. g. assigned to structures) GMK Plant drainage system (e. g. assigned to structures) GML Plant drainage system (e. g. assigned to structures) GMM Plant drainage system (e. g. assigned to structures) GMM Plant drainage system (e. g. assigned to structures) GMM Plant drainage systems for steam turbine building *UMA* GMM Plant drainage systems for steam turbine building *UMA* GMN Plant drainage system (e. g. assigned to structures) GMP Plant drainage system (e. g. assigned to structures) GMQ Plant drainage systems for workshop and stores building *UST* GMQ Plant drainage system (e. g. assigned to structures) GMQ Plant drainage systems for workshop and stores building *UST* GMQ Plant drainage system (e. g. assigned to structures) GMR Plant drainage system (e. g. assigned to structures) GMR Plant drainage system (e. g. assigned to structures) GMR Plant drainage systems for flue gas treatment building *UVG* GMR Plant drainage systems for flue gas treatment building *UVG* GMS Plant drainage systems for fire pump house *USG* GMS Plant drainage system (e. g. assigned to structures) GMS Plant drainage systems for fire pump house *USG* GMS Plant drainage system (e. g. assigned to structures) GMT Plant drainage system (e. g. assigned to structures) GMT Plant drainage systems for waste pit *UEB* GMT Plant drainage systems for waste pit *UEB* GMT Plant drainage system (e. g. assigned to structures) GMU Plant drainage systems for recyclable materials treatment building *UEE* GMU Plant drainage system (e. g. assigned to structures) GMU Plant drainage systems for recyclable materials treatment building *UEE* GMU Plant drainage system (e. g. assigned to structures) GMX Fluid supply system for control and protection equipment GMY Control and protection equipment GMZ Plant drainage systems for analysis building *UVJ* GN Plant drains treatment system GNB Filtering, mechanical cleaning system GNC Aeration, gas injection system GND Precipitation system (e. g. for carbonate hardness removal) GNE Acid proportioning system (e. g. for carbonate hardness removal) GNF Ion exchange system (e. g. for demineralization) GNG Evaporation system (e. g. for demineralization) GNH Deaeration, drying system GNJ Preheating, cooling system GNK Piping system, temporary storage system, pump system for main fluid GNL Storage system outside fluid treatment system (if not part of another system) GNN Chemicals supply system GNP Regeneration, flushing equipment GNQ Injection system for main fluid GNR Flushing water and residues removal system incl. neutralization GNS Sludge thickening system GNT Heating, cooling and flushing fluid distribution system GNV Lubricant supply system GNX Fluid supply system for control and protection equipment GNY Control and protection equipment GQ Domestic waste water collection and drainage systems GQA Domestic waste water collection and drainage system (e. g. assigned to structures) GQA Central disposal system GQA Domestic waste water collection and drainage system (e. g. assigned to structures) GQA Central disposal system GQB Domestic waste water collection and drainage system (e. g. assigned to structures) GQC Domestic waste water collection and drainage system (e. g. assigned to structures) GQD Domestic waste water collection and drainage system (e. g. assigned to structures) GQE Domestic waste water collection and drainage system (e. g. assigned to structures) GQF Plant drainage systems for steam generator building *UHA* GQF Domestic waste water collection and drainage system (e. g. assigned to structures) GQF Plant drainage systems for steam generator building *UHA* GQF Domestic waste water collection and drainage system (e. g. assigned to structures) GQG Domestic waste water collection and drainage system (e. g. assigned to structures) GQH Domestic waste water collection and drainage system (e. g. assigned to structures) GQH Plant drainage systems for conversion drum building *UHC* GQH Plant drainage systems for conversion drum building *UHC* GQH Domestic waste water collection and drainage system (e. g. assigned to structures) GQJ Domestic waste water collection and drainage system (e. g. assigned to structures) GQK Domestic waste water collection and drainage system (e. g. assigned to structures) GQL Domestic waste water collection and drainage system (e. g. assigned to structures) GQM Plant drainage systems for steam turbine building *UMA* GQM Domestic waste water collection and drainage system (e. g. assigned to structures) GQM Domestic waste water collection and drainage system (e. g. assigned to structures) GQM Plant drainage systems for steam turbine building *UMA* GQN Domestic waste water collection and drainage system (e. g. assigned to structures) GQP Domestic waste water collection and drainage system (e. g. assigned to structures) GQQ Domestic waste water collection and drainage system (e. g. assigned to structures) GQR Domestic waste water collection and drainage system (e. g. assigned to structures) GQR Plant drainage systems for flue gas treatment building *UVG* GQR Plant drainage systems for flue gas treatment building *UVG* GQR Domestic waste water collection and drainage system (e. g. assigned to structures) GQS Domestic waste water collection and drainage system (e. g. assigned to structures) GQT Domestic waste water collection and drainage system (e. g. assigned to structures) GQU Domestic waste water collection and drainage system (e. g. assigned to structures) GQV Plant drainage systems for office and staff amenities building *UYA* GQX Fluid supply system for control and protection equipment GQY Control and protection equipment GQZ Plant drainage systems for analysis building *UVJ* GR Domestic waste water treatment system GRB Filtering, mechanical cleaning system GRC Aeration, gas injection system GRD Precipitation system (e. g. for carbonate hardness removal) GRE Acid proportioning system (e. g. for carbonate hardness removal) GRF Ion exchange system (e. g. for demineralization) GRG Evaporation system (e. g. for demineralization) GRH Deaeration, drying system GRJ Preheating, cooling system GRK Piping system, temporary storage system, pump system for main fluid GRL Storage system outside fluid treatment system (if not part of another system) GRN Chemicals supply system GRP Regeneration,flushing equipment GRQ Injection system for main fluid GRR Flushing water and residues removal system incl. neutralization GRS Sludge thickening system GRT Heating, cooling and flushing fluid distribution system GRV Lubricant supply system GRX Fluid supply system for control and protection equipment GRY Control and protection equipment GT Water recovery from waste water GTA Water recovery from waste water GTB Water recovery from waste water GTC Water recovery from waste water GTD Water recovery from waste water GTE Water recovery from waste water GTF Water recovery from waste water GTG Water recovery from waste water GTH Water recovery from waste water GTJ Water recovery from waste water GTK Water recovery from waste water GTL Water recovery from waste water GTM Water recovery from waste water GTN Water recovery from waste water GTP Water recovery from waste water GTQ Water recovery from waste water GTR Water recovery from waste water GTS Water recovery from waste water GTT Water recovery from waste water GTU Water recovery from waste water GTX Fluid supply system for control and protection equipment GTY Control and protection equipment GU Rainwater collection and drainage systems incl. treatment system GUA Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUA Central disposal system GUA Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUA Central disposal system GUB Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUC Plant drainage systems for grid systems switchgear building *UAB* GUC Plant drainage systems for grid systems switchgear building *UAB* GUC Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUC Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUD Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUE Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUE Plant drainage systems for delivery area *UEA* GUE Plant drainage systems for delivery area *UEA* GUE Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUF Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUF Plant drainage systems for steam generator building *UHA* GUF Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUF Plant drainage systems for steam generator building *UHA* GUG Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUH Plant drainage systems for conversion drum building *UHC* GUH Plant drainage systems for conversion drum building *UHC* GUH Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUH Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUJ Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUK Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUL Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUM Plant drainage systems for steam turbine building *UMA* GUM Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUM Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUM Plant drainage systems for steam turbine building *UMA* GUN Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUP Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUQ Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUR Plant drainage systems for flue gas treatment building *UVG* GUR Plant drainage systems for flue gas treatment building *UVG* GUR Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUR Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUS Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUT Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUT Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUT Plant drainage systems for waste pit *UEB* GUT Plant drainage systems for waste pit *UEB* GUU Rainwater collection and drainage systems incl. treatment system(e. g. assigned to structures) GUV Plant drainage systems for office and staff amenities building *UYA* GUX Plant drainage systems for gate house *UYE* GUX Fluid supply system for control and protection equipment GUX Fluid supply system for control and protection equipment GUX Plant drainage systems for gate house *UYE* GUY Control and protection equipment GUY Plant drainage systems for structure for weigh scale *UEK* GUY Plant drainage systems for structure for weigh scale *UEK* GUY Control and protection equipment GUZ Plant drainage systems for analysis building *UVJ* GV Lubricant supply system GVA Lubricant supply system GVB Lubricant supply system GVC Lubricant supply system GVD Lubricant supply system GVE Lubricant supply system GVF Lubricant supply system GVG Lubricant supply system GVH Lubricant supply system GVJ Lubricant supply system GVK Lubricant supply system GVL Lubricant supply system GVM Lubricant supply system GVN Lubricant supply system GVP Lubricant supply system GVQ Lubricant supply system GVR Lubricant supply system GVS Lubricant supply system GVT Lubricant supply system GVU Lubricant supply system GW Sealing fluid supply system GWA Sealing fluid supply system GWB Sealing fluid supply system GWC Sealing fluid supply system GWD Sealing fluid supply system GWE Sealing fluid supply system GWF Sealing fluid supply system GWG Sealing fluid supply system GWH Sealing fluid supply system GWJ Sealing fluid supply system GWK Sealing fluid supply system GWL Sealing fluid supply system GWM Sealing fluid supply system GWN Sealing fluid supply system GWP Sealing fluid supply system GWQ Sealing fluid supply system GWR Sealing fluid supply system GWS Sealing fluid supply system GWT Sealing fluid supply system GWU Sealing fluid supply system GX Fluid supply system for control and protection equipment GXA Fluid supply system for control and protection equipment GXB Fluid supply system for control and protection equipment GXC Fluid supply system for control and protection equipment GXD Fluid supply system for control and protection equipment GXE Fluid supply system for control and protection equipment GXF Fluid supply system for control and protection equipment GXG Fluid supply system for control and protection equipment GXH Fluid supply system for control and protection equipment GXJ Fluid supply system for control and protection equipment GXK Fluid supply system for control and protection equipment GXL Fluid supply system for control and protection equipment GXM Fluid supply system for control and protection equipment GXN Fluid supply system for control and protection equipment GXP Fluid supply system for control and protection equipment GXQ Fluid supply system for control and protection equipment GXR Fluid supply system for control and protection equipment GXS Fluid supply system for control and protection equipment GXT Fluid supply system for control and protection equipment GXU Fluid supply system for control and protection equipment GY Control and protection equipment GYA Control and protection equipment GYB Control and protection equipment GYC Control and protection equipment GYD Control and protection equipment GYE Control and protection equipment GYF Control and protection equipment GYG Control and protection equipment GYH Control and protection equipment GYJ Control and protection equipment GYK Control and protection equipment GYL Control and protection equipment GYM Control and protection equipment GYN Control and protection equipment GYP Control and protection equipment GYQ Control and protection equipment GYR Control and protection equipment GYS Control and protection equipment GYT Control and protection equipment GYU Control and protection equipment HA Pressure system, feedwater and steam sections HAA LP part-flow feed heating system (flue-gas-heated) HAB HP part-flow feed heating system (flue-gas-heated) HAC Economizer system HAD Evaporator system HAG Circulation system (not used in natural-circulation boiler) HAH HP superheater system HAJ Reheat system HAK Secondary reheat system HAM Triflux system HAN Pressure system drainage and venting systems HAV Lubricant supply system HAW Sealing fluid supply system HAX Fluid supply system for control and protection equipment HAY Control and protection equipment HB Support structure, enclosure, steam generator interior HBA Frame incl. foundations HBB Enclosures HBC Brick linings incl. insulating brickwork HBD Platforms, stairways HBE Pressure vessel (supercharged boiler) HBK Steam generator interior HC Fireside heat transfer surface cleaning equipment HCA Air sootblowing system HCB Steam sootblowing system HCC Water sootblowing system HCD Flushing equipment HCE Rapping gear HCF Shot cleaning system HCG Soundwave system HCH Brush-type boiler tube cleaning system HCV Lubricant supply system HCW Sealing fluid supply system HCX Fluid supply system for control and protection equipment HCY Control and protection equipment HD Ash and slag removal, particulate removal HDA Furnace ash removal, furnace slag removal, bed ash removal HDA Furnace ash removal, furnace slag removal, bed ash removal HDA Ash and slag removal system for combustion chamber and boiler HDA Ash and slag removal system for combustion chamber and boiler HDB Bed ash return system HDC Ash return system incl. temporary storage HDD Mechanical dust handling and return system HDE Electrostatic precipitator and return system HDF Cyclone dust removal and return system HDT Fluid supply system for ash, slag and dust moistening HDU Carrier air supply system HDV Lubricant supply system HDW Sealing fluid supply system HDX Fluid supply system for control and protection equipment HDY Control and protection equipment HF Bunker, feeder and pulverizing system HFA Bunker for pulverizing system HFA Residues cooling and treatment system HFA Bunker for pulverizing system HFA Residues cooling and treatment system HFB Feeder system HFB Feeder system HFB Residues storage and proportioning system HFB Residues storage and proportioning system HFC Pulverizing system (incl. classifier) HFD Residues pulverizing system HFD Flue gas return system HFD Flue gas return system HFD Residues pulverizing system HFE Mill air system, carrier air system HFE Carrier air system for combustion material dust HFE Carrier air system for combustion material dust HFE Mill air system, carrier air system HFF Vapour/exhaust gas system HFG Pulverized coal temporary storage bunker after central pulverizing system (indirect firing) HFG Pulverized coal temporary storage bunker after central pulverizing system (indirect firing) HFG Fine residues dosing, proportioning HFG Fine residues dosing, proportioning HFV Lubricant supply system HFW Sealing fluid supply system HFW Sealing fluid supply system, inert gas supply system HFW Sealing fluid supply system HFW Sealing fluid supply system, inert gas supply system HFX Fluid supply system for control and protection equipment HFY Control and protection equipment HH Main firing system (electric-powered as well) HHA Process gas burners (main burners) HHA Process gas burners (main burners) HHA Main burners HHA Main burners HHB Retarded combustion grate HHB Retarded combustion grate HHB Pilot burner HHB Pilot burner HHC Grate combustion system HHD Other burner equipment (e. g. vapour burner, flue dust burner) HHE Combustion material dust distribution system HHE Pulverized coal bin, forwarding and distribution system HHE Combustion material dust distribution system HHE Pulverized coal bin, forwarding and distribution system HHF Oil temporary storage, pump and distribution system HHG Process gas distribution HHG Process gas distribution HHG Gas pressure reduction, distribution system HHG Gas pressure reduction, distribution system HHH Temporary storage, forwarding and distribution system for other fuels, fluid 1 HHH Natural gas distribution HHH Temporary storage, forwarding and distribution system for other fuels, fluid 1 HHH Natural gas distribution HHJ Temporary storage, forwarding and distribution system for other fuels, fluid 2 HHK Temporary storage, forwarding and distribution system for other fuels, fluid 3 HHL Combustion air supply system HHM Atomizer medium supply system (steam) HHN Atomizer medium supply system (air) HHP Coolant supply system (steam) HHQ Coolant supply system (air) HHR Purging medium supply system (steam) HHS Purging medium supply system (air) HHT Heating medium supply system (steam) HHU Heating medium supply system (hot water) HHV Lubricant supply system HHW Sealing fluid supply system HHX Fluid supply system for control and protection equipment HHY Control and protection equipment HHZ Electric heating system HJ Ignition firing equipment (if separate) HJA Ignition burners HJE Pulverized coal bin, forwarding and distribution system HJF Oil temporary storage, pump and distribution system HJG Gas pressure reduction, distribution system HJG Gas pressure reduction, distribution system HJG Ignition gas distribution system (natural gas) HJG Ignition gas distribution system (natural gas) HJL Combustion air supply system HJM Atomizer medium supply system (steam) HJN Atomizer medium supply system (air) HJP Cooling supply system (steam) HJQ Cooling supply system (air) HJR Purging medium supply system (steam) HJS Purging medium supply system (air) HJT Heating medium supply system (steam) HJU Heating medium supply system (hot water) HJV Lubricant supply system HJW Sealing fluid supply system HJX Fluid supply system for control and protection equipment HJY Control and protection equipment HL Combustion air system (primary air, secondary air) HLA Ducting system HLB Fan system, forced-draught fan system HLC External air heating system (not flue-gas-heated) HLD Air heating system (flue-gas-heated) HLU Air pressure relief system HLV Lubricant supply system HLW Sealing fluid supply system HLX Fluid supply system for control and protection equipment HLY Control and protection equipment HM Gas heating system (for closed cycle) HMA Primary heater (primary convection section) HMB Radiation section HMC Secondary heater (second convection section) HMD Reheat system HMV Lubricant supply system HMW Sealing fluid supply system HMX Fluid supply system for control and protection equipment HMY Control and protection equipment HN Flue gas exhaust (without flue gas treatment) HNA Ducting system HNC Induced-draught fan system HNE Smoke stack system (chimney) HNF Flue gas recirculation system HNU Flue gas pressure relief system HNV Lubricant supply system HNW Sealing fluid supply system HNX Fluid supply system for control and protection equipment HNY Control and protection equipment HR Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRA Flue gas ducting system HRA Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRA Flue gas ducting system HRA Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRB Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRC Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRD Fixed bed adsorber HRD Fixed bed adsorber HRD Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRD Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRE Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRE Entrained bed adsorber HRE Entrained bed adsorber HRE Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRF Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRF Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRF Entrained bed adsorber backwash system HRF Entrained bed adsorber backwash system HRG Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRH Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRJ Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRJ Adsorbent supply and storage HRJ Adsorbent supply and storage HRJ Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRK Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRK Adsorbent preparation and distribution HRK Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRK Adsorbent preparation and distribution HRL Activated coke supply and storage HRL Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRL Activated coke supply and storage HRL Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRM Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRM Activated coke preparation and distribution HRM Activated coke preparation and distribution HRM Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRN Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRP Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRQ Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRR Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRS Convey and storage of spent adsorbent HRS Convey and storage of spent adsorbent HRS Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRS Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRT Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRU Chemical flue gas treatment system incl. residues removal, adsorptive process (e. g. dry additives) HRV Lubricant supply system HRW Sealing fluid supply system, inert gas supply system HRW Sealing fluid supply system HRW Sealing fluid supply system, inert gas supply system HRW Sealing fluid supply system HRX Fluid supply system for control and protection equipment HRY Control and protection equipment HS DENOX system HS DENOX system HS Chemical flue gas treatment system incl. residues removal, catalytic process(e. g. DENOX) HS Chemical flue gas treatment system incl. residues removal, catalytic process(e. g. DENOX) HSA Flue gas ducting system within *HS.* HSB Flue gas-side heat exchanger, gas heater (not *HU.*) HSC Flue gas fan system HSD Reactor (reduction) HSE Converter (oxidation) HSF Flue gas-side cleaning equipment for reactor HSG Reduction agent dilution system HSH (Residues) separator HSJ Reduction agent supply system incl. storage HSK Reduction agent treatment and distribution system HSL Water supply and disposal system HSM Chemicals and additives supply system HSN Drainage systems HSP Flyash collecting system (incl. filtering) and removal system HSQ Sprinkler system incl. drainage HSR Oxidizing agent treatment and distribution system HSS (Residues) forwarding, storage, loading system HST Flushing fluid system incl. supply HSU Heating fluid system HSV Lubricant supply system HSW Sealing fluid supply system, inert gas supply system HSW Sealing fluid supply system, inert gas supply system HSW Sealing fluid supply system HSW Sealing fluid supply system HSX Fluid supply system for control and protection equipment HSY Control and protection equipment HT Chemical flue gas treatment system incl. residues removal, absorptive process (e. g. flue gas desulfurization plants) HTA Flue gas ducting system within *HT.* HTB Flue gas-side heat exchanger, gas heater (not *HU.*) HTC Flue gas fan system HTD Flue gas scrubbing system HTE Flue gas cleaning and filtering system HTF Absorption cycle HTG Oxidation system incl. supply system HTH Flue gas cooling system HTJ Absorbent supply system incl. storage system HTK Absorbent preparation and distribution system HTL Piping system for discharge of solids incl. water removal and return excl. thickening and solids dewatering systems HTM Thickening and solids dewatering system HTN Solids drying, compacting system HTP (Solids/ product) forwarding, storage, loading system HTQ Water supply and disposal system HTS Chemicals and additives supply system HTT Drainage systems HTV Lubricant supply system HTW Sealing fluid supply system, inert gas supply system HTW Sealing fluid supply system HTW Sealing fluid supply system, inert gas supply system HTW Sealing fluid supply system HTX Fluid supply system for control and protection equipment HTY Control and protection equipment HU Flue gas reheating system HUA Flue gas reheating system HUA Flue gas reheating system HUA Flue gas reheating system with steam heating (steam gas heater) HUA Flue gas reheating system with steam heating (steam gas heater) HUB Flue gas reheating system HUB Flue gas reheating system HUB Natural gas burner (flue gas final heating) HUB Natural gas burner (flue gas final heating) HUC Flue gas reheating system HUC Flue gas reheating system HUC Natural gas distribution (flue gas final heating) HUC Natural gas distribution (flue gas final heating) HUD Combustion air system (flue gas final heating) HUD Flue gas reheating system HUD Flue gas reheating system HUD Combustion air system (flue gas final heating) HUE Flue gas reheating system HUF Flue gas reheating system HUG Flue gas reheating system HUH Flue gas reheating system HUJ Flue gas reheating system HUK Flue gas reheating system HUL Flue gas reheating system HUM Flue gas reheating system HUN Flue gas reheating system HUP Flue gas reheating system HUQ Flue gas reheating system HUR Flue gas reheating system HUS Flue gas reheating system HUT Flue gas reheating system HUU Flue gas reheating system HUV Lubricant supply system HUW Sealing fluid supply system HUX Fluid supply system for control and protection equipment HUY Control and protection equipment HV Lubricant supply system HVA Lubricant supply system HVB Lubricant supply system HVC Lubricant supply system HVD Lubricant supply system HVE Lubricant supply system HVF Lubricant supply system HVG Lubricant supply system HVH Lubricant supply system HVJ Lubricant supply system HVK Lubricant supply system HVL Lubricant supply system HVM Lubricant supply system HVN Lubricant supply system HVP Lubricant supply system HVQ Lubricant supply system HVR Lubricant supply system HVS Lubricant supply system HVT Lubricant supply system HVU Lubricant supply system HW Sealing fluid supply system HWA Sealing fluid supply system HWB Sealing fluid supply system HWC Sealing fluid supply system HWD Sealing fluid supply system HWE Sealing fluid supply system HWF Sealing fluid supply system HWG Sealing fluid supply system HWH Sealing fluid supply system HWJ Sealing fluid supply system HWK Sealing fluid supply system HWL Sealing fluid supply system HWM Sealing fluid supply system HWN Sealing fluid supply system HWP Sealing fluid supply system HWQ Sealing fluid supply system HWR Sealing fluid supply system HWS Sealing fluid supply system HWT Sealing fluid supply system HWU Sealing fluid supply system HX Fluid supply system for control and protection equipment HXA Fluid supply system for control and protection equipment HXB Fluid supply system for control and protection equipment HXC Fluid supply system for control and protection equipment HXD Fluid supply system for control and protection equipment HXE Fluid supply system for control and protection equipment HXF Fluid supply system for control and protection equipment HXG Fluid supply system for control and protection equipment HXH Fluid supply system for control and protection equipment HXJ Fluid supply system for control and protection equipment HXK Fluid supply system for control and protection equipment HXL Fluid supply system for control and protection equipment HXM Fluid supply system for control and protection equipment HXN Fluid supply system for control and protection equipment HXP Fluid supply system for control and protection equipment HXQ Fluid supply system for control and protection equipment HXR Fluid supply system for control and protection equipment HXS Fluid supply system for control and protection equipment HXT Fluid supply system for control and protection equipment HXU Fluid supply system for control and protection equipment HY Control and protection equipment HYA Control and protection equipment HYB Control and protection equipment HYC Control and protection equipment HYD Control and protection equipment HYE Control and protection equipment HYF Control and protection equipment HYG Control and protection equipment HYH Control and protection equipment HYJ Control and protection equipment HYK Control and protection equipment HYL Control and protection equipment HYM Control and protection equipment HYN Control and protection equipment HYP Control and protection equipment HYQ Control and protection equipment HYR Control and protection equipment HYS Control and protection equipment HYT Control and protection equipment HYU Control and protection equipment LA Feedwater system LAA Storage, deaeration (incl. feedwater tank) LAB Feedwater piping system (excl. feedwater pump and feedwater heating system) LAC Feedwater pump system LAD HP feedwater heating system LAE HP desuperheating spray system LAF IP desuperheating spray system LAH Start-up and shutdown piping system LAJ Start-up and shutdown pump system LAR Emergency feedwater piping system incl. storage (excl. emergency feedwater pump system) LAS Emergency feedwater pump system LAT Back-up emergency feedwater system LAV Lubricant supply system LAW Feedwater sealing water system LAX Fluid supply system for control and protection equipment LAY Control and protection equipment LB Steam system LBA Main steam piping system LBB Hot reheat piping system LBC Cold reheat piping system LBD Extraction piping system LBE Back-pressure piping system LBF Overpressure suppression and safety device incl. injection and hydraulic station for safety function LBF HP reducing station LBF Overpressure suppression and safety device incl. injection and hydraulic station for safety function LBF HP reducing station LBG Auxiliary steam piping system LBH Start-up steam system, shutdown steam system LBJ Moisture separator/reheater (MSR) LBK Main steam safety/relief system inside reactor containment for single-cycle plants LBQ Extraction steam piping system for HP feedwater heating LBR Piping system for branch or auxiliary turbine LBS Extraction steam piping system for LP feedwater heating (main condensate) LBS Extraction steam piping system for main condensate heating LBT Emergency condensing system LBU Common dump line LBV Lubricant supply system LBW Sealing steam system LBX Fluid supply system for control and protection equipment LBY Control and protection equipment LC Condensate system LCA Main condensate piping system (excl. main condensate pump system,LP feedwater heating system, condensate polishing plant) LCB Main condensate pump system LCC Main condensate heating system LCE Condensate desuperheating spray system LCF Branch turbine condensate piping system LCG Branch turbine condensate pump system LCH HP heater drains system LCJ LP heater drains system LCL Steam generator drains system LCM Clean drains system (collecting and return system) LCN Auxiliary steam condensate system (collecting and return system) LCN Economizer condensate LCN Economizer condensate LCN Auxiliary steam condensate system (collecting and return system) LCP Standby condensate system, incl. storage and pump system LCQ Steam generator blowdown system LCR Standby condensate distribution system LCS Reheater drains system (moisture separator/reheater) LCT Moisture separator drains system (moisture separator/reheater) LCV Lubricant supply system LCW Sealing and cooling drains system LCX Fluid supply system for control and protection equipment LCY Control and protection equipment LD Condensate polishing plant LDA Fluid treatment extraction system (if not part of another system) LDB Filtering, mechanical cleaning LDC Aeration, gas injection system LDD Electromagnetic polishing system LDE Acid proportioning system (e. g. for carbonate hardness removal) LDF Ion exchange, reverse osmosis system (e. g. demineralization) LDG Evaporation system (e. g. demineralization) LDH Deaeration, drying system LDJ Preheating, cooling system LDK Piping system, temporary storage system, pump system for main fluid LDL Storage system outside fluid treatment system (if not part of another system) LDN Chemicals supply system LDP Regeneration, flushing equipment LDQ Injection system for main fluid LDR Flushing water and residues removal system incl. neutralization LDS Sludge thickening system LDT Heating, cooling and flushing fluid distribution system LDV Lubricant supply system LDX Fluid supply system for control and protection equipment LDY Control and protection equipment LF Common installations for steam, water, gas cycles LFC Common drain and vent systems LFG Secondary-side steam generator tubesheet lancing system LFG Secondary-side steam generator tubesheet lancing system LFJ Steam generator layup system LFN Proportioning system for feedwater, condensate system, incl. proportioning in boiler and turbine area LK Gas system (closed cycle) LKA Storage system LKB Piping system LKC Compressor system (if separate from gas turbine) LKD Preheating system LKE Precooling system LKF Intercooling system LKG Pressurizing system LKV Lubricant supply system LKW Sealing fluid supply system LKX Fluid supply system for control and protection equipment LKY Control and protection equipment LL Gas cleaning system (only for closed cycle) LLA Gas cleaning system (only for closed cycle) LLB Gas cleaning system (only for closed cycle) LLC Gas cleaning system (only for closed cycle) LLD Gas cleaning system (only for closed cycle) LLE Gas cleaning system (only for closed cycle) LLF Gas cleaning system (only for closed cycle) LLG Gas cleaning system (only for closed cycle) LLH Gas cleaning system (only for closed cycle) LLJ Gas cleaning system (only for closed cycle) LLK Gas cleaning system (only for closed cycle) LLL Gas cleaning system (only for closed cycle) LLM Gas cleaning system (only for closed cycle) LLN Gas cleaning system (only for closed cycle) LLP Gas cleaning system (only for closed cycle) LLQ Gas cleaning system (only for closed cycle) LLR Gas cleaning system (only for closed cycle) LLS Gas cleaning system (only for closed cycle) LLT Gas cleaning system (only for closed cycle) LLU Gas cleaning system (only for closed cycle) LLW Sealing fluid supply system LLX Fluid supply system for control and protection equipment LLY Control and protection equipment LN Water impounding works for hydroelectric power plant LNA Head and tail race system, storage system LNB Trash rack, trash/fish barrier LNC Dam, weir system LND Spillway LNE Drainage system LNF Pump system LNV Lubricant supply system LNW Sealing fluid supply system LNX Fluid supply system for control and protection equipment LNY Control and protection equipment LP Intake system, upperwater system for hydroelectric power plant LPA Rake and rake cleaning system LPB Isolating equipment LPC Piping and penstock system LPE Surge tank LPV Lubricant supply system LPW Sealing fluid supply system LPX Fluid supply system for control and protection equipment LPY Control and protection equipment LQ Tail-race system, underwater system for hydroelectric power plant LQA Underwater piping and culvert system LQB Surge tank LQC Isolating equipment LQE Rake and rake cleaning system for pumped-storage operation LQV Lubricant supply system LQW Sealing fluid supply system LQX Fluid supply system for control and protection equipment LQY Control and protection equipment LS Common installations for hydroelectric power plant LSA Common installations for hydroelectric power plant LSB Common installations for hydroelectric power plant LSC Common installations for hydroelectric power plant LSD Common installations for hydroelectric power plant LSE Common installations for hydroelectric power plant LSF Common installations for hydroelectric power plant LSG Common installations for hydroelectric power plant LSH Common installations for hydroelectric power plant LSJ Common installations for hydroelectric power plant LSK Common installations for hydroelectric power plant LSL Drainage system LSM Common installations for hydroelectric power plant LSN Common installations for hydroelectric power plant LSP Common installations for hydroelectric power plant LSQ Common installations for hydroelectric power plant LSR Common installations for hydroelectric power plant LSS Common installations for hydroelectric power plant LST Common installations for hydroelectric power plant LSU Common installations for hydroelectric power plant LV Lubricant supply system LVA Lubricant supply system LVB Lubricant supply system LVC Lubricant supply system LVD Lubricant supply system LVE Lubricant supply system LVF Lubricant supply system LVG Lubricant supply system LVH Lubricant supply system LVJ Lubricant supply system LVK Lubricant supply system LVL Lubricant supply system LVM Lubricant supply system LVN Lubricant supply system LVP Lubricant supply system LVQ Lubricant supply system LVR Lubricant supply system LVS Lubricant supply system LVT Lubricant supply system LVU Lubricant supply system LW Sealing fluid supply system for steam, water, gas cycles LWA Sealing fluid supply system for steam, water, gas cycles LWB Sealing fluid supply system for steam, water, gas cycles LWC Sealing fluid supply system for steam, water, gas cycles LWD Sealing fluid supply system for steam, water, gas cycles LWE Sealing fluid supply system for steam, water, gas cycles LWF Sealing fluid supply system for steam, water, gas cycles LWG Sealing fluid supply system for steam, water, gas cycles LWH Sealing fluid supply system for steam, water, gas cycles LWJ Sealing fluid supply system for steam, water, gas cycles LWK Sealing fluid supply system for steam, water, gas cycles LWL Sealing fluid supply system for steam, water, gas cycles LWM Sealing fluid supply system for steam, water, gas cycles LWN Sealing fluid supply system for steam, water, gas cycles LWP Sealing fluid supply system for steam, water, gas cycles LWQ Sealing fluid supply system for steam, water, gas cycles LWR Sealing fluid supply system for steam, water, gas cycles LWS Sealing fluid supply system for steam, water, gas cycles LWT Sealing fluid supply system for steam, water, gas cycles LWU Sealing fluid supply system for steam, water, gas cycles LX Fluid supply system for control and protection equipment LXA Fluid supply system for control and protection equipment LXB Fluid supply system for control and protection equipment LXC Fluid supply system for control and protection equipment LXD Fluid supply system for control and protection equipment LXE Fluid supply system for control and protection equipment LXF Fluid supply system for control and protection equipment LXG Fluid supply system for control and protection equipment LXH Fluid supply system for control and protection equipment LXJ Fluid supply system for control and protection equipment LXK Fluid supply system for control and protection equipment LXL Fluid supply system for control and protection equipment LXM Fluid supply system for control and protection equipment LXN Fluid supply system for control and protection equipment LXP Fluid supply system for control and protection equipment LXQ Fluid supply system for control and protection equipment LXR Fluid supply system for control and protection equipment LXS Fluid supply system for control and protection equipment LXT Fluid supply system for control and protection equipment LXU Fluid supply system for control and protection equipment LY Control and protection equipment LYA Control and protection equipment LYB Control and protection equipment LYC Control and protection equipment LYD Control and protection equipment LYE Control and protection equipment LYF Control and protection equipment LYG Control and protection equipment LYH Control and protection equipment LYJ Control and protection equipment LYK Control and protection equipment LYL Control and protection equipment LYM Control and protection equipment LYN Control and protection equipment LYP Control and protection equipment LYQ Control and protection equipment LYR Control and protection equipment LYS Control and protection equipment LYT Control and protection equipment LYU Control and protection equipment MA Steam turbine plant MAA HP turbine MAA Turbine MAA Turbine MAA HP turbine MAB IP turbine MAC LP turbine MAD Bearings MAG Condensing system MAH Motive water system (if separate from *MAJ*) MAJ Air removal system MAK Transmission gear between prime mover and driven machine, incl. turning gear MAL Drain and vent systems MAM Leak-off steam system MAN Turbine bypass station, incl. desuperheating spray system MAP LP turbine bypass MAQ Vent system (if separate from *MAL*) MAV Lubricant supply system MAW Sealing, heating and cooling steam system MAX Non-electric control and protection equipment, incl. fluid supply system MAY Electrical control and protection equipment MB Gas turbine plant MBA Turbine, compressor rotor with common casing MBB Turbine casing and rotor MBC Compressor casing and rotor MBD Bearings MBH Cooling and sealing gas system MBJ Start-up unit MBK Transmission gear between prime mover and driven machine, incl. turning gear, barring gear MBL Intake air, cold gas system (open cycle) MBM Combustion chamber (gas heating, combustion) MBN Fuel supply system (liquid) MBP Fuel supply system (gaseous) MBQ Ignition fuel supply system (if separate) MBR Exhaust gas system (open cycle) MBS Storage system MBT Motive gas generator unit, incl. combustion chamber MBU Additive system MBV Lubricant supply system MBW Sealing oil supply system MBX Non-electric control and protection equipment, incl. fluid supply system MBY Electrical control and protection equipment MBZ Lubricant and control fluid treatment system MD Wind turbine plant MDA Rotor (incl. hub) MDB Blade pitch regulating system MDD Rotor bearings MDK Transmission gear (gearbox, propeller shaft, brake) MDL Yaw control system MDV Lubricant supply system MDX Non-electric control and protection equipment, incl. fluid supply system MDY Electrical control and protection equipment ME Hydraulic turbine plant MEA Turbine (casing, shaft, runner, draft tube etc.) MEB Isolating valve MED Bearings MEG Stabilizing air system MEK Transmission gear between prime mover and driven machine MEL Water depression air supply system MES Shaft gland cooling water system MEV Lubricant supply system MEW Sealing water supply system MEX Non-electric control and protection equipment, incl. fluid supply system MEY Electrical control and protection equipment MF Pumping turbine plant in pumped-storage power plants MFA Pumping turbine, singleshaft pump and turbine unit (casing, shaft, runner, draft tube etc.) MFB Isolating valve MFD Bearings MFG Stabilizing air system MFK Transmission gear between prime mover and driven machine MFL Water depression air supply system MFM Start-up unit MFS Shaft gland cooling water system MFV Lubricant supply system MFW Sealing water supply system MFX Non-electric control and protection equipment, incl. fluid supply system MFY Electrical control and protection equipment MG Pumped-storage plant MGA Storage pump (casing, shaft, runner etc.) MGB Isolating valve MGD Bearings MGL Water depression air supply system MGM Start-up unit MGS Shaft gland cooling water system MGV Lubricant supply system MGW Sealing water supply system MGX Non-electric control and protection equipment, incl. fluid supply system MGY Electrical control and protection equipment MJ Diesel engine plant MJA Engine MJB Turbocharger, blower MJG Liquid cooling system MJH Air intercooling system MJK Transmission gear between prime mover and driven machine MJN Fuel systems MJP Start-up unit (incl. flywheel) MJQ Air intake system MJR Exhaust gas system MJV Lubricant supply system MJW Sealing fluid supply system MJX Fluid supply system for control and protection equipment MJY Control and protection equipment MK Generator plant MKA Generator, complete, incl. stator, rotor and all integral cooling equipment MKB Generator exciter set, including set with electrical breaking system (use only if *MKC* is not sufficient for identification) MKC Exciter set MKC Generator exciter set, including set with electrical breaking systemcomplete(10 auxiliary excitation, 20 main excitation unit) MKC Generator exciter set, including set with electrical breaking systemcomplete(10 auxiliary excitation, 20 main excitation unit) MKC Exciter set MKD Bearings MKF Stator/rotor liquid cooling system, incl. coolant supply system MKG Stator/rotor hydrogen (H2) cooling system, incl. coolant supply system MKH Stator/rotor nitrogen (N2) / carbon dioxyde (CO2) cooling system, incl. coolant supply system MKJ Stator/rotor air cooling system, incl. coolant supply system MKQ Exhaust gas system (if separate from *MKG* and *MKH*) MKU Stator/rotor cooling oil cooling system, incl. coolant supply system MKV Lubricant supply system (if separate system for generator) MKW Sealing oil system, incl. supply and treatment MKX Fluid supply system for control and protection equipment MKY Control and protection equipment ML Electro-motive plant (incl. motor generator) MLA Motor frame, motor generator frame, incl. stator, rotor and all integral cooling equipment MLC Exciter set MLD Bearings MLF Stator/rotor liquid cooling system, incl. coolant supply system MLG Stator/rotor gas cooling system, incl. coolant supply system MLH Stator/rotor nitrogen cooling system, incl. coolant supply system MLQ Exhaust gas system (if separate from *MLG* and *MLH*) MLU Stator/rotor cooling oil cooling system, incl. coolant supply system MLV Lubricant supply system (if separate system for electro-motive units) MLW Sealing oil system, incl. supply and treatment MLX Fluid supply system for control and protection equipment MLY Control and protection equipment MM Compressor plant MMA Compressor incl. internal systems MMC Air intake piping system MMD Bearings MME Intercooling system MMF Aftercooling system MMG Final cooling system MMH Discharge piping system MMV Lubricant supply system MMW Sealing fluid supply system MMX Fluid supply system for control and protection equipment MMY Control and protection equipment MP Common installations for main machine sets MPA Foundation MPB Sheating MPG Frame, support structure MPR Forced cooling system MPS Drying and layup system MR Gas engine plant MRA Gas engine plant MRB Gas engine plant MRC Gas engine plant MRD Gas engine plant MRE Gas engine plant MRF Gas engine plant MRG Gas engine plant MRH Gas engine plant MRJ Gas engine plant MRK Gas engine plant MRL Gas engine plant MRM Gas engine plant MRN Gas engine plant MRP Gas engine plant MRQ Gas engine plant MRR Gas engine plant MRS Gas engine plant MRT Gas engine plant MRU Gas engine plant MRV Lubricant supply system MRW Sealing fluid supply system MRX Fluid supply system for control and protection equipment MRY Control and protection equipment MV Lubricant supply system MVA Lubricant supply system MVB Lubricant supply system MVC Lubricant supply system MVD Lubricant supply system MVE Lubricant supply system MVF Lubricant supply system MVG Lubricant supply system MVH Lubricant supply system MVJ Lubricant supply system MVK Lubricant supply system MVL Lubricant supply system MVM Lubricant supply system MVN Lubricant supply system MVP Lubricant supply system MVQ Lubricant supply system MVR Lubricant supply system MVS Lubricant supply system MVT Lubricant supply system MVU Lubricant supply system MW Sealing fluid supply system MWA Sealing fluid supply system MWB Sealing fluid supply system MWC Sealing fluid supply system MWD Sealing fluid supply system MWE Sealing fluid supply system MWF Sealing fluid supply system MWG Sealing fluid supply system MWH Sealing fluid supply system MWJ Sealing fluid supply system MWK Sealing fluid supply system MWL Sealing fluid supply system MWM Sealing fluid supply system MWN Sealing fluid supply system MWP Sealing fluid supply system MWQ Sealing fluid supply system MWR Sealing fluid supply system MWS Sealing fluid supply system MWT Sealing fluid supply system MWU Sealing fluid supply system MX Fluid supply system for control and protection equipment MXA Fluid supply system for control and protection equipment MXB Fluid supply system for control and protection equipment MXC Fluid supply system for control and protection equipment MXD Fluid supply system for control and protection equipment MXE Fluid supply system for control and protection equipment MXF Fluid supply system for control and protection equipment MXG Fluid supply system for control and protection equipment MXH Fluid supply system for control and protection equipment MXJ Fluid supply system for control and protection equipment MXK Fluid supply system for control and protection equipment MXL Fluid supply system for control and protection equipment MXM Fluid supply system for control and protection equipment MXN Fluid supply system for control and protection equipment MXP Fluid supply system for control and protection equipment MXQ Fluid supply system for control and protection equipment MXR Fluid supply system for control and protection equipment MXS Fluid supply system for control and protection equipment MXT Fluid supply system for control and protection equipment MXU Fluid supply system for control and protection equipment MY Control and protection equipment MYA Control and protection equipment MYB Control and protection equipment MYC Control and protection equipment MYD Control and protection equipment MYE Control and protection equipment MYF Control and protection equipment MYG Control and protection equipment MYH Control and protection equipment MYJ Control and protection equipment MYK Control and protection equipment MYL Control and protection equipment MYM Control and protection equipment MYN Control and protection equipment MYP Control and protection equipment MYQ Control and protection equipment MYR Control and protection equipment MYS Control and protection equipment MYT Control and protection equipment MYU Control and protection equipment NA Process steam system (incl. condensate return) NAA Piping system (steam) NAB Piping system (condensate) NAD Process heat transmission system NAE Piping system (steam) (only to be used if *NAA* is not sufficient for identification) NAF Piping system (steam) (only to be used if *NAA* is not sufficient for identification) NAG Piping system (steam) (only to be used if *NAA* is not sufficient for identification) NAH Piping system (steam) (only to be used if *NAA* is not sufficient for identification) NAJ Piping system (steam) (only to be used if *NAA* is not sufficient for identification) NAK Piping system (condensate) (only to be used if *NAB* is not sufficient for identification) NAL Piping system (condensate) (only to be used if *NAB* is not sufficient for identification) NAM Piping system (condensate) (only to be used if *NAB* is not sufficient for identification) NAX Fluid supply system for control and protection equipment NAY Control and protection equipment ND Process hot water system NDA Piping system (forward) NDB Piping system (return) NDC Process hot water pump system NDD Process heat transfer NDE Hot water storage system NDF Distribution system NDG Distribution system NDH Distribution system NDJ Distribution system NDK Pressurizing system NDV Lubricant supply system NDX Fluid supply system for control and protection equipment NDY Control and protection equipment NG Process air system NGB Piping system NGC Forwarding system NGW Sealing fluid supply system NGX Fluid supply system for control and protection equipment NGY Control and protection equipment NK Process gas system NKB Piping system NKW Sealing fluid supply system NKX Fluid supply system for control and protection equipment NKY Control and protection equipment PA Circulating (main cooling) water system PAA Extraction, mechanical cleaning for direct cooling PAB Circulating (main cooling) water piping and culvert system PAC Circulating (main cooling) water pump system PAD Recirculating cooling system, outfall cooling system PAE Cooling tower pump system (if separate) PAH Condenser cleaning system, incl. all appurtenances PAR Make-up water piping system PAS Make-up water pump system PAV Lubricant supply system PAX Fluid supply system for control and protection equipment PAY Control and protection equipment PB Circulating (main cooling) water treatment system PBA Discharge from fluid treatment system (if not part of another system) PBB Filtering, mechanical cleaning system PBC Aeration, gas injection system PBD Precipitation system (e. g. for carbonate hardness removal) PBE Acid proportioning system (e. g. for carbonate hardness removal) PBF Ion exchange system (e. g. for demineralization) PBG Evaporation system (e. g. for demineralisation) PBH Deaeration, drying system PBJ Preheating, cooling system PBK Piping system, temporary storage system, pump system for main fluid PBL Storage system outside fluid treatment system (if not part of another system) PBN Chemicals supply system PBP Regeneration, flushing equipment PBQ Injection system for main fluid PBR Flushing water and residues removal system, incl. neutralization PBS Sludge thickening system PBT Heating, cooling and flushing fluid distribution system PBV Lubricant supply system PBX Fluid supply system for control and protection equipment PBY Control and protection equipment PC Service (secondary cooling) water system for conventional area PCA Extraction, mechanical cleaning for direct cooling PCB Piping and culvert system PCC Pump system PCD Recirculation cooling system, outfall cooling system PCH Heat exchanger cleaning system PCM Service (secondary cooling) water system for generator, motor generator cooling PCV Lubricant supply system PCX Fluid supply system for control and protection equipment PCY Control and protection equipment PD Service (secondary cooling) water treatment system, conventional area PDA Discharge from fluid treatment system (if not part of another system) PDB Filtering, mechanical cleaning system PDC Aeration, gas injection system PDD Precipitation system (e. g. for carbonate hardness removal) PDE Acid proportioning system (e. g. for carbonate hardness removal) PDF Ion exchange system (e. g. for demineralization) PDG Evaporation system (e. g. for demineralization) PDH Deaeration, drying system PDJ Preheating, cooling system PDK Piping system, temporary storage system, pump system for main fluid PDL Storage system outside fluid treatment system (if not part of another system) PDN Chemicals supply system PDP Regeneration, flushing equipment PDQ Injection system for main fluid PDR Flushing water and residues removal system, incl. neutralization PDS Sludge thickening system PDT Heating, cooling and flushing fluid distribution system PDV Lubricant supply system PDX Fluid supply system for control and protection equipment PDY Control and protection equipment PE Service (secondary cooling) water system for secured area PEA Extraction, mechanical cleaning for direct cooling PEB Piping and culvert system PEC Pump system PED Recirculation cooling system, outfall cooling system PEH Secured component cooler cleaning system PEV Lubricant supply system PEX Fluid supply system for control and protection equipment PEY Control and protection equipment PF Service (secondary cooling) water treatment system for secured area PFA Discharge from fluid treatment system (if not part of another system) PFB Filtering, mechanical cleaning system PFC Aeration, gas injection system PFD Precipitation system (e. g. for carbonate hardness removal) PFE Acid proportioning system (e. g. for carbonate hardness removal) PFF Ion exchange system (e. g. for demineralization) PFG Evaporation system (e. g. for demineralization) PFH Deaeration, drying system PFJ Preheating, cooling system PFK Piping system, temporary storage system, pump system for main fluid PFL Storage system outside fluid treatment system (if not part of another system) PFN Chemicals supply system PFP Regeneration, flushing equipment PFQ Injection system for main fluid PFR Flushing water and residues removal system, incl. neutralization PFS Sludge thickening system PFT Heating, cooling and flushing fluid distribution system PFV Lubricant supply system PFX Fluid supply system for control and protection equipment PFY Control and protection equipment PG Closed cooling water system for conventional area PGA Closed cooling water system for conventional area PGB Closed cooling water system for conventional area PGB Closed cooling water system for conventional area PGB Closed cooling water system PGB Closed cooling water system PGC Closed cooling water system for conventional area PGC Closed cooling water system for conventional area PGC Closed cooling water system for wet slag removal unit PGC Closed cooling water system for wet slag removal unit PGD Closed cooling water system for cooling vibration conveyor PGD Closed cooling water system for cooling vibration conveyor PGD Closed cooling water system for conventional area PGD Closed cooling water system for conventional area PGE Closed cooling water system for cooling worms PGE Closed cooling water system for conventional area PGE Closed cooling water system for conventional area PGE Closed cooling water system for cooling worms PGF Closed cooling water system for conventional area PGF Closed cooling water system for cooling spiral conveyor PGF Closed cooling water system for cooling spiral conveyor PGF Closed cooling water system for conventional area PGG Closed cooling water system for conventional area PGH Closed cooling water system for conventional area PGJ Closed cooling water system for conventional area PGK Closed cooling water system for conventional area PGL Closed cooling water system for conventional area PGM Closed cooling water system for conventional area PGN Closed cooling water system for conventional area PGP Closed cooling water system for conventional area PGQ Closed cooling water system for conventional area PGR Closed cooling water system for conventional area PGS Closed cooling water system for conventional area PGT Closed cooling water system for conventional area PGU Closed cooling water system for conventional area PGV Lubricant supply system PGX Fluid supply system for control and protection equipment PGY Control and protection equipment PH Closed cooling water treatment system for conventional area PHA Discharge from fluid treatment system (if not part of another system) PHB Filtering, mechanical cleaning system PHC Aeration, gas injection system PHD Precipitation system (e. g. for carbonate hardness removal) PHE Acid proportioning system (e. g. for carbonate hardness removal) PHF Ion exchangesystem (e. g. for demineralization) PHG Evaporation system (e. g. for demineralization) PHH Deaeration, drying system PHJ Preheating, cooling system PHK Piping system, temporary storage system, pump system for main fluid PHL Storage system outside fluid treatment system (if not part of another system) PHN Chemicals supply system PHP Regeneration, flushing equipment PHQ Injection system for main fluid PHR Flushing water and residues removal system, incl. neutralization PHS Sludge thickening system PHT Heating, cooling and flushing fluid distribution system PHV Lubricant supply system PHX Fluid supply system for control and protection equipment PHY Control and protection equipment PJ Closed cooling water system for secured area PJA Closed cooling water system for secured area PJB Closed cooling water system for secured area PJC Closed cooling water system for secured area PJD Closed cooling water system for secured area PJE Closed cooling water system for secured area PJF Closed cooling water system for secured area PJG Closed cooling water system for secured area PJH Closed cooling water system for secured area PJJ Closed cooling water system for secured area PJK Closed cooling water system for secured area PJL Closed cooling water system for secured area PJM Closed cooling water system for secured area PJN Closed cooling water system for secured area PJP Closed cooling water system for secured area PJQ Closed cooling water system for secured area PJR Closed cooling water system for secured area PJS Closed cooling water system for secured area PJT Closed cooling water system for secured area PJU Closed cooling water system for secured area PJV Lubricant supply system PJX Fluid supply system for control and protection equipment PJY Control and protection equipment PK Closed cooling water treatment system for secured area PKA Discharge from fluid treatment system (if not part of another system) PKB Filtering, mechanical cleaning system PKC Aeration, gas injection system PKD Precipitation system (e. g. for carbonate hardness removal) PKE Acid proportioning system (e. g. for carbonate hardness removal) PKF Ion exchange system (e. g. for demineralization) PKG Evaporation system (e. g. for demineralization) PKH Deaeration, drying system PKJ Preheating, cooling system PKK Piping system, temporary storage system, pump system for main fluid PKL Storage system outside fluid treatment system (if not part of another system) PKN Chemicals supply system PKP Regeneration, flushing equipment PKQ Injection system for main fluid PKR Flushing water and residues removal system, incl. neutralization PKS Sludge thickening system PKT Heating, cooling and flushing fluid distribution system PKV Lubricant supply system PKX Fluid supply system for control and protection equipment PKY Control and protection equipment PM Closed cooling water system for transformers (if separate closed cooling water system) PMA Closed cooling water system for transformers PMB Closed cooling water system for transformers PMC Closed cooling water system for transformers PMD Closed cooling water system for transformers PME Closed cooling water system for transformers PMF Closed cooling water system for transformers PMG Closed cooling water system for transformers PMH Closed cooling water system for transformers PMJ Closed cooling water system for transformers PMK Closed cooling water system for transformers PML Closed cooling water system for transformers PMM Closed cooling water system for transformers PMN Closed cooling water system for transformers PMP Closed cooling water system for transformers PMQ Closed cooling water system for transformers PMR Closed cooling water system for transformers PMS Closed cooling water system for transformers PMT Closed cooling water system for transformers PMU Closed cooling water system for transformers PMV Lubricant supply system PMX Fluid supply system for control and protection equipment PMY Control and protection equipment PS Cooling tower blowdown system (if separate from *PAB*) PSA Cooling tower blowdown system PSB Cooling tower blowdown system PSC Cooling tower blowdown system PSD Cooling tower blowdown system PSE Cooling tower blowdown system PSF Cooling tower blowdown system PSG Cooling tower blowdown system PSH Cooling tower blowdown system PSJ Cooling tower blowdown system PSK Cooling tower blowdown system PSL Cooling tower blowdown system PSM Cooling tower blowdown system PSN Cooling tower blowdown system PSP Cooling tower blowdown system PSQ Cooling tower blowdown system PSR Cooling tower blowdown system PSS Cooling tower blowdown system PST Cooling tower blowdown system PSU Cooling tower blowdown system PSV Lubricant supply system PSX Fluid supply system for control and protection equipment PSY Control and protection equipment PU Common equipment for cooling water systems PUA Common equipment for cooling water systems PUB Common equipment for cooling water systems PUC Common equipment for cooling water systems PUD Common equipment for cooling water systems PUE Common equipment for cooling water systems PUF Common equipment for cooling water systems PUG Common equipment for cooling water systems PUH Common equipment for cooling water systems PUJ Common equipment for cooling water systems PUK Common equipment for cooling water systems PUL Common equipment for cooling water systems PUM Common equipment for cooling water systems PUN Proportioning equipment PUP Common equipment for cooling water systems PUQ Common equipment for cooling water systems PUR Impressed current cathodic protection for mechanical equipment within the cooling water system PUS Common equipment for cooling water systems PUT Common equipment for cooling water systems PUU Common equipment for cooling water systems PV Lubricant supply system PVA Lubricant supply system PVB Lubricant supply system PVC Lubricant supply system PVD Lubricant supply system PVE Lubricant supply system PVF Lubricant supply system PVG Lubricant supply system PVH Lubricant supply system PVJ Lubricant supply system PVK Lubricant supply system PVL Lubricant supply system PVM Lubricant supply system PVN Lubricant supply system PVP Lubricant supply system PVQ Lubricant supply system PVR Lubricant supply system PVS Lubricant supply system PVT Lubricant supply system PVU Lubricant supply system PW Sealing fluid supply system PWA Sealing fluid supply system PWB Sealing fluid supply system PWC Sealing fluid supply system PWD Sealing fluid supply system PWE Sealing fluid supply system PWF Sealing fluid supply system PWG Sealing fluid supply system PWH Sealing fluid supply system PWJ Sealing fluid supply system PWK Sealing fluid supply system PWL Sealing fluid supply system PWM Sealing fluid supply system PWN Sealing fluid supply system PWP Sealing fluid supply system PWQ Sealing fluid supply system PWR Sealing fluid supply system PWS Sealing fluid supply system PWT Sealing fluid supply system PWU Sealing fluid supply system PX Fluid supply system for control and protection equipment PXA Fluid supply system for control and protection equipment PXB Fluid supply system for control and protection equipment PXC Fluid supply system for control and protection equipment PXD Fluid supply system for control and protection equipment PXE Fluid supply system for control and protection equipment PXF Fluid supply system for control and protection equipment PXG Fluid supply system for control and protection equipment PXH Fluid supply system for control and protection equipment PXJ Fluid supply system for control and protection equipment PXK Fluid supply system for control and protection equipment PXL Fluid supply system for control and protection equipment PXM Fluid supply system for control and protection equipment PXN Fluid supply system for control and protection equipment PXP Fluid supply system for control and protection equipment PXQ Fluid supply system for control and protection equipment PXR Fluid supply system for control and protection equipment PXS Fluid supply system for control and protection equipment PXT Fluid supply system for control and protection equipment PXU Fluid supply system for control and protection equipment PY Control and protection equipment PYA Control and protection equipment PYB Control and protection equipment PYC Control and protection equipment PYD Control and protection equipment PYE Control and protection equipment PYF Control and protection equipment PYG Control and protection equipment PYH Control and protection equipment PYJ Control and protection equipment PYK Control and protection equipment PYL Control and protection equipment PYM Control and protection equipment PYN Control and protection equipment PYP Control and protection equipment PYQ Control and protection equipment PYR Control and protection equipment PYS Control and protection equipment PYT Control and protection equipment PYU Control and protection equipment QC Central chemicals supply QCA Central chemicals supply QCB Corrosion inhibitor dosing system QCB Central chemicals supply QCB Central chemicals supply QCB Corrosion inhibitor dosing system QCC Central chemicals supply QCC Phosphate dosing system QCC Central chemicals supply QCC Phosphate dosing system QCD Central chemicals supply QCD Ammonia dosing system QCD Central chemicals supply QCD Ammonia dosing system QCE Central chemicals supply QCF Central chemicals supply QCG Central chemicals supply QCH Central chemicals supply QCJ Central chemicals supply QCK Central chemicals supply QCL Central chemicals supply QCM Central chemicals supply QCN Central chemicals supply QCP Central chemicals supply QCQ Central chemicals supply QCR Central chemicals supply QCS Central chemicals supply QCT Central chemicals supply QCU Central chemicals supply QCV Lubricant supply system QCX Fluid supply system for control and protection equipment QCY Control and protection equipment QE General compressed air and carrier air supply QEA Central compressed air and carrier air generation system QEA Central compressed air and carrier air generation system QEA Plant central compressed air supply QEA Plant central compressed air supply QEB Central compressed air and carrier air distribution system QEB Central compressed air and carrier air distribution system QEC General compressed air and carrier air supply QED General compressed air and carrier air supply QEE General compressed air and carrier air supply QEF General compressed air and carrier air supply QEG General compressed air and carrier air supply QEH General compressed air and carrier air supply QEJ General compressed air and carrier air supply QEK General compressed air and carrier air supply QEL General compressed air and carrier air supply QEM General compressed air and carrier air supply QEN General compressed air and carrier air supply QEP General compressed air and carrier air supply QEQ General compressed air and carrier air supply QER General compressed air and carrier air supply QES General compressed air and carrier air supply QET General compressed air and carrier air supply QEU General compressed air and carrier air supply QEV Lubricant supply system QEW Sealing fluid supply system QEX Fluid supply system for control and protection equipment QEY Control and protection equipment QF General control air supply QFA Central control air generation system QFB Central control air distribution system QFC General control air supply QFD General control air supply QFE General control air supply QFF General control air supply QFG General control air supply QFH General control air supply QFJ General control air supply QFK General control air supply QFL General control air supply QFM General control air supply QFN General control air supply QFP General control air supply QFQ General control air supply QFR General control air supply QFS General control air supply QFT General control air supply QFU General control air supply QFV Lubricant supply system QFW Sealing fluid supply system QFX Fluid supply system for control and protection equipment QFY Control and protection equipment QG Central gas supply for closed gas cycles (as working fluid) QGA Central gas supply for closed gas cycles (as working fluid) QGB Central gas supply for closed gas cycles (as working fluid) QGC Central gas supply for closed gas cycles (as working fluid) QGD Central gas supply for closed gas cycles (as working fluid) QGE Central gas supply for closed gas cycles (as working fluid) QGF Central gas supply for closed gas cycles (as working fluid) QGG Central gas supply for closed gas cycles (as working fluid) QGH Central gas supply for closed gas cycles (as working fluid) QGJ Central gas supply for closed gas cycles (as working fluid) QGK Central gas supply for closed gas cycles (as working fluid) QGL Central gas supply for closed gas cycles (as working fluid) QGM Central gas supply for closed gas cycles (as working fluid) QGN Central gas supply for closed gas cycles (as working fluid) QGP Central gas supply for closed gas cycles (as working fluid) QGQ Central gas supply for closed gas cycles (as working fluid) QGR Central gas supply for closed gas cycles (as working fluid) QGS Central gas supply for closed gas cycles (as working fluid) QGT Central gas supply for closed gas cycles (as working fluid) QGU Central gas supply for closed gas cycles (as working fluid) QGV Lubricant supply system QGW Sealing fluid supply system QGX Fluid supply system for control and protection equipment QGY Control and protection equipment QH Auxiliary steam generating system QHA Pressure system QHB Support structure, enclosure, steam generator interior QHC Fireside heat transfer surface cleaning equipment QHD Ash and slag removal QHE Blowdown system, flash drain system QHF Bunker, feeder and pulverizing system QHG Boiler water circulation system (also for electrode steam boiler) QHH Main firing system (electric-powered as well) QHJ Ignition firing equipment (if separate) QHL Combustion air system (primary air, secondary air) QHM Gas heating system (for closed cycle) QHN Flue gas exhaust (without flue gas treatment) QHP Mechanical dust handling system QHQ Electrostatic precipitator QHR Chemical flue gas treatment system, incl. residues removal, adsorptive process QHS Chemical flue gas treatment system, incl. residues removal, catalytic process QHT Chemical flue gas treatment system, incl. residues removal, absorptive process QHU Flue gas reheating system QHV Lubricant supply system QHX Fluid supply system for control and protection equipment QHY Control and protection equipment QJ Central gas supply, also inert gas QJ Central gas supply, also inert gas (see *SE* for welding blanket gas supply systems, see *MK*, *ML*, *XK*, *XL* for central gas supply systems for main and heavy machinery) QJ Central gas supply, also inert gas QJ Central gas supply, also inert gas (see *SE* for welding blanket gas supply systems, see *MK*, *ML*, *XK*, *XL* for central gas supply systems for main and heavy machinery) QJA Inert gas supply system QJA Central gas supply, also inert gas QJA Inert gas supply system QJA Central gas supply, also inert gas QJB Central gas supply, also inert gas QJB Inert gas supply system for flue gas scrubbing QJB Inert gas supply system for flue gas scrubbing QJB Central gas supply, also inert gas QJC Central gas supply, also inert gas QJD Central gas supply, also inert gas QJE Central gas supply, also inert gas QJF Central gas supply, also inert gas QJG Central gas supply, also inert gas QJH Central gas supply, also inert gas QJJ Central gas supply, also inert gas QJK Central gas supply, also inert gas QJL Central gas supply, also inert gas QJM Central gas supply, also inert gas QJN Central gas supply, also inert gas QJP Central gas supply, also inert gas QJQ Central gas supply, also inert gas QJR Central gas supply, also inert gas QJV Lubricant supply system QJW Sealing fluid supply system QJX Fluid supply system for control and protection equipment QJY Control and protection equipment QK Chilled water systems for conventional area QKA Central water chiller QKA Chilled water systems for conventional area QKA Central water chiller QKA Chilled water systems for conventional area QKB Chilled water systems for conventional area QKC Chilled water systems for conventional area QKD Chilled water systems for conventional area QKE Chilled water systems for conventional area QKF Chilled water systems for conventional area QKG Chilled water systems for conventional area QKH Chilled water systems for conventional area QKH Chilled water system for conversion drum building *UHC* QKH Chilled water systems for conventional area QKH Chilled water system for conversion drum building *UHC* QKJ Chilled water systems for conventional area QKK Chilled water systems for conventional area QKL Chilled water systems for conventional area QKM Chilled water system for steam turbine building *UMA* QKM Chilled water systems for conventional area QKM Chilled water system for steam turbine building *UMA* QKM Chilled water systems for conventional area QKN Chilled water systems for conventional area QKP Chilled water systems for conventional area QKQ Chilled water systems for conventional area QKR Chilled water systems for conventional area QKS Chilled water systems for conventional area QKT Chilled water systems for conventional area QKT Chilled water systems for conventional area QKT Chilled water system for waste pit *UEB* QKT Chilled water system for waste pit *UEB* QKU Chilled water systems for conventional area QKV Lubricant supply system QKX Fluid supply system for control and protection equipment QKY Control and protection equipment QL Feedwater, steam, condensate cycle of auxiliary steam generating and distribution system QLA Feedwater system QLB Steam system QLC Condensate system QLD Condensate polishing plant QLF Common equipment for auxiliary steam generation and distribution systems QLV Lubricant supply system QLX Fluid supply system for control and protection equipment QLY Control and protection equipment QM Air humidifying system QMA Air humidifying system QMB Air humidifying system QMC Air humidifying system QMD Air humidifying system QME Air humidifying system QMF Air humidifying system QMG Air humidifying system QMH Air humidifying system QMJ Air humidifying system QMK Air humidifying system QML Air humidifying system QMM Air humidifying system QMN Air humidifying system QMP Air humidifying system QMQ Air humidifying system QMR Air humidifying system QMS Air humidifying system QMT Air humidifying system QMU Air humidifying system QMV Lubricant supply system QMX Fluid supply system for control and protection equipment QMY Control and protection equipment QS Central oil supply and disposal system (for systems assignable to more than one F1-function) QSA Central oil supply and disposal system QSB Central oil supply and disposal system QSC Central oil supply and disposal system QSD Central oil supply and disposal system QSE Central oil supply and disposal system QSF Central oil supply and disposal system QSG Central oil supply and disposal system QSH Central oil supply and disposal system QSJ Central oil supply and disposal system QSK Central oil supply and disposal system QSL Central oil supply and disposal system QSM Central oil supply and disposal system QSN Central oil supply and disposal system QSP Central oil supply and disposal system QSQ Central oil supply and disposal system QSR Central oil supply and disposal system QSS Central oil supply and disposal system QST Central oil supply and disposal system QSU Central oil supply and disposal system QSV Lubricant supply system QSX Fluid supply system for control and protection equipment QSY Control and protection equipment QU Sampling systems for conventional area QUA Sampling system for feedwater systems (*LA*) QUA Sampling systems for conventional area QUA Sampling systems for conventional area QUA Sampling system for feedwater systems (*LA*) QUB Sampling systems for conventional area QUB Sampling systems for conventional area QUB Sampling system for steam systems (*LB*) QUB Sampling system for steam systems (*LB*) QUC Sampling systems for conventional area QUC Sampling system for condensate systems (*LC*) QUC Sampling systems for conventional area QUC Sampling system for condensate systems (*LC*) QUD Sampling systems for conventional area QUE Sampling systems for conventional area QUF Sampling systems for conventional area QUG Sampling systems for conventional area QUG Sampling system for demineralized water systems (*GH*) QUG Sampling systems for conventional area QUG Sampling system for demineralized water systems (*GH*) QUH Sampling systems for conventional area QUJ Sampling systems for conventional area QUK Sampling systems for conventional area QUL Sampling systems for conventional area QUM Sampling systems for conventional area QUN Sampling systems for conventional area QUP Sampling system for cooling water systems (*P*) QUP Sampling systems for conventional area QUP Sampling system for cooling water systems (*P*) QUP Sampling systems for conventional area QUQ Sampling systems for conventional area QUR Sampling systems for conventional area QUS Sampling systems for conventional area QUT Sampling systems for conventional area QUU Sampling systems for conventional area QUX Fluid supply system for control and protection equipment QUY Control and protection equipment SA Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAA Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAB Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAC Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAC HVAC system for grid systems switchgear building *UAB* SAC HVAC system for grid systems switchgear building *UAB* SAC Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAD Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAE Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAF Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAF HVAC system for steam generator building *UHA* SAF HVAC system for steam generator building *UHA* SAF Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAG HVAC system for structure for raw water supply *UGA* SAG HVAC system for structure for raw water supply *UGA* SAG Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAG Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAH HVAC system for conversion drum building *UHC* SAH Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAH HVAC system for conversion drum building *UHC* SAH Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAJ Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAK Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAL Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAM Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAM HVAC system for steam turbine building *UMA* SAM HVAC system for steam turbine building *UMA* SAM Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAN Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAP Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAQ HVAC system for workshop and stores building *UST* SAQ Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAQ HVAC system for workshop and stores building *UST* SAQ Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAR HVAC system for flue gas treatment building *UVG* SAR Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAR Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAR HVAC system for flue gas treatment building *UVG* SAS Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAS HVAC system for fire pump house *USG* SAS HVAC system for fire pump house *USG* SAS Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAT Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAT Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAT HVAC system for waste pit *UEB* SAT HVAC system for waste pit *UEB* SAU Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAU Heating, ventilation, air-conditioning (HVAC) systems for conventional area SAU HVAC system for ammonia storage building *UVE* SAU HVAC system for ammonia storage building *UVE* SAV HVAC system for office and staff amenities building *UYA* SAV Lubricant supply system SAV HVAC system for office and staff amenities building *UYA* SAV Lubricant supply system SAX HVAC system for gate house *UYE* SAX HVAC system for gate house *UYE* SAX Fluid supply system for control and protection equipment SAX Fluid supply system for control and protection equipment SAY Control and protection equipment SAY HVAC system for structure for weigh scale *UEK* SAY Control and protection equipment SAY HVAC system for structure for weigh scale *UEK* SB Space heating systems SBA Central heating plant SBA Central heating plant SBA Space heating systems SBA Space heating systems SBB Space heating systems SBC Space heating systems SBD Space heating systems SBE Space heating systems SBF Space heating systems SBG Space heating systems SBH Space heating systems SBH Space heating system for conversion drum building *UHC* SBH Space heating system for conversion drum building *UHC* SBH Space heating systems SBJ Space heating systems SBK Space heating systems SBL Space heating systems SBM Space heating system for steam turbine building *UMA* SBM Space heating systems SBM Space heating system for steam turbine building *UMA* SBM Space heating systems SBN Space heating systems SBP Space heating systems SBQ Space heating system for workshop and stores building *UST* SBQ Space heating system for workshop and stores building *UST* SBQ Space heating systems SBQ Space heating systems SBR Space heating systems SBR Space heating systems SBR Space heating system for flue gas treatment building *UVG* SBR Space heating system for flue gas treatment building *UVG* SBS Space heating systems SBT Space heating systems SBT Space heating system for waste pit *UEB* SBT Space heating system for waste pit *UEB* SBT Space heating systems SBU Space heating system for ammonia storage building *UVE* SBU Space heating systems SBU Space heating system for ammonia storage building *UVE* SBU Space heating systems SBV Space heating system for office and staff amenities building *UYA* SBX Fluid supply system for control and protection equipment SBY Control and protection equipment SC Stationary compressed air supplies SCA Compressed air generation system SCB Compressed air distribution system SCC Compressed air generation system for flue gas treatment system SCC Stationary compressed air supplies SCC Stationary compressed air supplies SCC Compressed air generation system for flue gas treatment system SCD Stationary compressed air supplies SCD Stationary compressed air supplies SCD Compressed air distribution system for flue gas treatment system SCD Compressed air distribution system for flue gas treatment system SCE Stationary compressed air supplies SCF Stationary compressed air supplies SCG Stationary compressed air supplies SCH Stationary compressed air supplies SCJ Stationary compressed air supplies SCK Stationary compressed air supplies SCL Stationary compressed air supplies SCM Stationary compressed air supplies SCN Stationary compressed air supplies SCP Stationary compressed air supplies SCQ Stationary compressed air supplies SCR Stationary compressed air supplies SCS Stationary compressed air supplies SCT Stationary compressed air supplies SCU Stationary compressed air supplies SCV Lubricant supply system SCX Fluid supply system for control and protection equipment SCY Control and protection equipment SD Stationary cleaning systems (see *FK.* for decontamination systems) SD Stationary cleaning systems (see *FK.* for decontamination systems) SD Stationary cleaning systems SD Stationary cleaning systems SDA Stationary cleaning systems SDA Central dust extraction system SDA Stationary cleaning systems SDA Central dust extraction system SDB Sub-atmospheric pressure system for extracting dust and vapors SDB Sub-atmospheric pressure system for extracting dust and vapors SDB Stationary cleaning systems SDB Stationary cleaning systems SDC Stationary cleaning systems SDD Stationary cleaning systems SDE Stationary cleaning systems SDF Stationary cleaning systems SDG Stationary cleaning systems SDH Stationary cleaning systems SDJ Stationary cleaning systems SDK Stationary cleaning systems SDL Stationary cleaning systems SDM Stationary cleaning systems SDN Stationary cleaning systems SDP Stationary cleaning systems SDQ Stationary cleaning systems SDR Stationary cleaning systems SDS Stationary cleaning systems SDT Stationary cleaning systems SDU Stationary cleaning systems SDX Fluid supply system for control and protection equipment SDY Control and protection equipment SE Stationary welding gas systems SEA Stationary welding gas systems SEB Stationary welding gas systems SEC Stationary welding gas systems SED Stationary welding gas systems SEE Stationary welding gas systems SEF Stationary welding gas systems SEG Stationary welding gas systems SEH Stationary welding gas systems SEJ Stationary welding gas systems SEK Stationary welding gas systems SEL Stationary welding gas systems SEM Stationary welding gas systems SEN Stationary welding gas systems SEP Stationary welding gas systems SEQ Stationary welding gas systems SER Stationary welding gas systems SES Stationary welding gas systems SET Stationary welding gas systems SEU Stationary welding gas systems SF Heating and fuel gas systems SFA Heating and fuel gas systems SFB Heating and fuel gas systems SFC Heating and fuel gas systems SFD Heating and fuel gas systems SFE Heating and fuel gas systems SFF Heating and fuel gas systems SFG Heating and fuel gas systems SFH Heating and fuel gas systems SFJ Heating and fuel gas systems SFK Heating and fuel gas systems SFL Heating and fuel gas systems SFM Heating and fuel gas systems SFN Heating and fuel gas systems SFP Heating and fuel gas systems SFQ Heating and fuel gas systems SFR Heating and fuel gas systems SFS Heating and fuel gas systems SFT Heating and fuel gas systems SFU Heating and fuel gas systems SFY Control and protection equipment SG Stationary fire protection systems SGA Fire water system, conventional area SGB Fire water system, nuclear area SGC Spray deluge systems, conventional area SGD Spray deluge systems, nuclear area SGE Sprinkler systems SGF Foam fire-fighting systems SGG Sprinkler system for ammonia tank farm SGG Tank roof, tank shell cooling systems SGG Sprinkler system for ammonia tank farm SGG Tank roof, tank shell cooling systems SGJ CO2 fire-fighting systems SGK Halon fire-fighting systems SGL Powder fire-fighting systems SGM Inergen fire-fighting systems SGV Lubricant supply system SGX Fluid supply system for control and protection equipment SGY Control and protection equipment SGZ Mobile fire-fighting systems SH Waterway facilities SHA Intake system (upper pound) SHB Lock chamber incl. chamber filling and emptying system SHC Lock chamber gate (upstream) SHD Lock chamber gate (intermediate) SHE Lock chamber gate (downstream) SHF Discharge system (lower pound) SHJ Anti-icing system SHK Ship impact system SHL Leakage drain system SHM Draining system SHS Minimum water system SHT Fish ladder SHU Raft canal SHV Lubricant supply system SHW Sealing fluid supply system SHX Fluid supply system for control and protection equipment SHY Control and protection equipment SM Cranes, stationary hoists and conveying appliances SMA Cranes, stationary hoists and conveying appliances SMB Cranes, stationary hoists and conveying appliances SMC Cranes, stationary hoists and conveying appliances SMD Cranes, stationary hoists and conveying appliances SME Cranes, stationary hoists and conveying appliances SMF Cranes, stationary hoists and conveying appliances SMG Cranes, stationary hoists and conveying appliances SMH Cranes, stationary hoists and conveying appliances SMJ Cranes, stationary hoists and conveying appliances SMK Cranes, stationary hoists and conveying appliances SML Cranes, stationary hoists and conveying appliances SMM Crane for steam turbine building *UMA* SMM Crane for steam turbine building *UMA* SMM Cranes, stationary hoists and conveying appliances SMM Cranes, stationary hoists and conveying appliances SMN Cranes, stationary hoists and conveying appliances SMP Cranes, stationary hoists and conveying appliances SMQ Cranes, stationary hoists and conveying appliances SMR Cranes, stationary hoists and conveying appliances SMS Crane for waste pit *UEB* SMS Crane for waste pit *UEB* SMS Cranes, stationary hoists and conveying appliances SMS Cranes, stationary hoists and conveying appliances SMT Cranes, stationary hoists and conveying appliances SMU Cranes, stationary hoists and conveying appliances SMX Fluid supply system for control and protection equipment SMY Control and protection equipment SN Elevators SNA Elevators SNB Elevators SNC Elevators SND Elevators SNE Elevators SNF Elevators SNG Elevators SNH Elevators for conversion drum building *UHC* SNH Elevators SNH Elevators SNH Elevators for conversion drum building *UHC* SNJ Elevators SNK Elevators SNL Elevators SNM Elevators SNM Elevators for steam turbine building *UMA* SNM Elevators SNM Elevators for steam turbine building *UMA* SNN Elevators SNP Elevators SNQ Elevators SNR Elevators SNR Elevators for flue gas treatment building *UVG* SNR Elevators for flue gas treatment building *UVG* SNR Elevators SNS Elevators SNT Elevators SNU Elevators SNY Control and protection equipment SP Railway installations SPA Railway installations SPB Railway installations SPC Railway installations SPD Railway installations SPE Railway installations SPF Railway installations SPG Railway installations SPH Railway installations SPJ Railway installations SPK Railway installations SPL Railway installations SPM Railway installations SPN Railway installations SPP Railway installations SPQ Railway installations SPR Railway installations SPS Railway installations SPT Railway installations SPU Railway installations SPY Control and protection equipment SQ Road installations SQA Road installations SQB Road installations SQC Road installations SQD Road installations SQE Road installations SQF Road installations SQG Road installations SQH Road installations SQJ Road installations SQK Road installations SQL Road installations SQM Road installations SQN Road installations SQP Road installations SQQ Road installations SQR Road installations SQS Road installations SQT Road installations SQU Road installations SQY Control and protection equipment SR Workshop, stores, laboratory equipment and staff amenities inside controlled area SRA Hot workshop equipment SRC Maintenance areas in controlled area SRG Hot laboratory equipment SRH Health physics laboratory equipment SRP Staff amenities in controlled area SRY Control and protection equipment ST Workshop, stores, laboratory equipment and staff amenities outside controlled area STA Workshop equipment outside controlled area STC Maintenance areas outside controlled area STE Stores and filling station equipment STG Laboratory equipment STP Staff amenities STY Control and protection equipment UA Structures for grid and distribution systems UAA Switchyard structure UAB Grid systems switchgear building UAC Grid systems control building UAE Structure for pneumatic control system UAG Structure for transformers UAH Structure for supports and equipment UAX Special structure (plant-specific) UAY Bridge structure UAZ Ducting structure UB Structures for power transmission and auxiliary power supply UBA Switchgear building UBC Structure for offsite system transformers UBD Structure for low-voltage auxiliary power transformers UBE Structure for medium-voltage auxiliary power transformers UBF Structure for generator transformers UBG Structure for start-up transformers UBH Structure for oil collecting pits UBJ Structure for transformer tracks UBK Transformer assembly building UBL Structure for busbars UBM Structure for transformer cooling systems UBN Structure for emergency power generating sets (without central water chiller) UBP Emergency power generating and central water chiller building UBQ Structure for emergency power generator fuel supply system UBX Special structure (plant-specific) UBY Bridge structure UBZ Ducting structure UC Structures for instrumentation and control UCA Unit control room building UCB Control station building UCL Structure for measuring equipment UCP Cooling water monitoring structure UCX Special structure (plant-specific) UCY Bridge structure UCZ Ducting structure UE Structures for conventional fuel supply and residues disposal UEA Structure for unloading of solid fuels UEA Delivery area UEA Structure for unloading of solid fuels UEA Delivery area UEB Waste pit UEB Waste pit UEB Structure for storage of solid fuels UEB Structure for storage of solid fuels UEC Sewage sludge building UED Structure for transport of solid fuels UEE Structure for treatment of solid fuels UEE Recyclable materials treatment building UEE Recyclable materials treatment building UEE Structure for treatment of solid fuels UEF Structure for transfer (e. g. junction tower) UEG Structure for conversion of solid fuels UEH Structure for unloading and reception of liquid fuels UEJ Structure for storage of liquid fuels UEK Structure for weigh scale UEL Structure for forwarding of liquid fuels (e. g. pump house) UEM Structure for treatment and handling of liquid fuels UEN Structure for transfer, conversion, storage of gaseous fuels UEN Structure for transfer of gaseous fuels UEN Structure for transfer, conversion, storage of gaseous fuels UEN Structure for transfer of gaseous fuels UER Structure for forwarding of gaseous fuels UET Structure for ash storage UEU Structure for ash transport UEV Structure for ash settling pond UEW Structure for combustion residues handling UEX Special structure (plant-specific) UEY Bridge structure UEZ Ducting structure UF Structures for the handling of nuclear equipment UFA Fuel pool building UFB Fuel handling building UFC Fuel storage building UFJ Structure for hot cell UFX Special structure (plant-specific) UFY Bridge structure UFZ Ducting structure UG Structures for water supply and disposal UGA Structure for raw water supply UGD Structure for demineralization system UGE Structure for neutralization system UGF Structure for fire water supply UGG Structure for drinking water supply UGH Structure for rainwater UGJ Structure for cooling tower make-up water treatment UGK Flocculant mixing chamber UGL Flocculator structure, flocculator UGN Treated water basin UGP Sludge thickener UGQ Sludge dewatering building UGR Sludge storage structure UGU Structure for effluent disposal UGV Structure for sewerage plant UGX Special structure (plant-specific) UGY Bridge structure UGZ Ducting structure UH Structures for conventional heat generation UHA Steam generator enclosure, steam generator building (boiler house) UHA Steam generator building UHA Steam generator enclosure, steam generator building (boiler house) UHA Steam generator building UHC Conversion drum building UHF Bunker bay UHL Structure for boiler compressed air supply UHN Waste gas chimney UHN Smoke stack, incl. structure for flue gas circulation (e. g. for induced draft fan) UHN Smoke stack, incl. structure for flue gas circulation (e. g. for induced draft fan) UHN Waste gas chimney UHQ Structure for flue gas filtering system UHU Structure for flue gas reheating system UHV Structure for combustion air circulation (e. g. for forced draft fan) UHW Boiler blowdown structure UHX Special structure (plant-specific) UHY Bridge structure UHZ Ducting structure UJ Structures for nuclear heat generation UJA Reactor building, containment interior (when separate from *UJB*) UJB Reactor building annulus (when separate from *UJA*) UJC Heat exchanger building (not for light water reactors) UJD Steam generator building (not for light water reactors) UJE Main steam and feedwater valve compartment UJF Equipment air lock enclosure UJG Gantry (reactor building) UJX Special structure (plant-specific) UJY Bridge structure UJZ Ducting structure UK Structures for reactor auxiliary systems UKA Reactor auxiliary building UKB Reactor ancillary systems building (e. g. for BWR plants) UKC Nuclear services building (not for light water reactors) UKD Emergency standby structure (not for light water reactors) UKH Structure for air exhaust (vent stack) UKJ Tritium extraction system building UKS Radioactive waste processing building UKT Structure for radioactive waste storage UKX Special structure (plant-specific) UKY Bridge structure UKZ Ducting structure UL Structures for steam-, water-, gas-cycles ULA Feedwater pump house ULB Emergency feed building ULC Structure for condensate system ULD Structure for condensate polishing plant (if separate) ULE Structure for emergency supply systems (if separate) ULN Structure for hydroelectric power plant water impounding works ULP Structure for hydroelectric power plant intake systems ULQ Structure for hydroelectric power plant tail-race systems ULX Special structure (plant-specific) ULY Bridge structure ULZ Ducting structure UM Structures for main machine sets UMA Steam turbine building UMB Gas turbine building UMC Gas and steam turbine building (tandem arrangement) UME Hydraulic turbine building UMG Pumped storage turbine building UMJ Diesel engine building UMM Compressor system building UMR Gas engine plant building UMX Special structure (plant-specific) UMY Bridge structure UMZ Ducting structure UN Structures for process energy supply UNX Special structure (plant-specific) UNY Bridge structure UNZ Ducting structure UP Structures for circulating (cooling) water systems (e. g. circulating water intake) UPA Circulating (cooling) water intake culvert UPB Service (secondary cooling) water intake culvert UPC Circulating (cooling) water intake structure UPD Service (secondary cooling) water intake structure UPH Circulating (cooling) water treatment structure UPJ Service (secondary cooling) water treatment structure UPN Circulating (cooling) water inlet culvert UPP Service (secondary cooling) water inlet culvert UPQ Biocide treatment building UPS Debris trough UPT Screen wash water cleaning structure UPX Special structure (plant-specific) UPY Bridge structure UPZ Ducting structure UQ Structures for circulating (cooling) water systems (e. g. circulating water pumps and outfall) UQA Circulating (cooling) water pump building UQB Service (secondary cooling) water pump building UQG Circulating (cooling) water overflow structure, surge tank UQH Screen wash water discharge culvert UQJ Circulating (cooling) water seal pit, incl. circulating (cooling) water aeration structure UQK Circulating (cooling) water venting structure UQL Service (secondary cooling) water surge pond UQM Service (secondary cooling) water collecting pond UQN Circulating (cooling) water outfall culvert UQP Service (secondary cooling) water outfall culvert UQQ Circulating (cooling) water outfall structure UQR Service (secondary cooling) water outfall structure UQS Circulating (cooling) water discharge culvert UQT Service (secondary cooling) water discharge culvert UQU Circulating (cooling) water spillway structure, incl. circulating (cooling) water aeration structure UQV Structure for artificial circulating (cooling) water aeration UQW Routing structure for circulating (cooling) water discharge UQX Special structure (plant-specific) UQY Bridge structure UQZ Ducting structure UR Structures for circulating (cooling) water systems (e. g. recirculation cooling) URA Cooling tower structure (circulating/main cooling water) URB Recirculation cooling structure for cooling water systems URB Cooling tower structure (service/secondary cooling water) URB Recirculation cooling structure for cooling water systems URB Cooling tower structure (service/secondary cooling water) URC Recirculation cooling structure for other cooling systems URD Cooling tower pump building (circulating/main cooling water) URE Cooling tower pump building (service/secondary cooling water) URG Cooling tower connecting structure URH Cooling tower outlet structure URJ Cooling tower outfall culvert URK Cooling tower return structure URL Cooling tower return culvert URM Circulating (cooling) water distribution building URN Cooling tower bypass structure URP Cooling tower blowdown structure URQ Cooling tower blowdown culvert URX Special structure (plant-specific) URY Bridge structure URZ Ducting structure US Structures for ancillary systems USA Structure for heating, ventilation, air-conditioning (HVAC) systems USB Structure for space heating systems USC Structure for stationary compressed air supply system USG Fire pump house USH Structure for waterway facilities USR Structure for conventional waste treatment UST Workshop and stores building USU Consumables storage building USV Laboratory building USX Special structure (plant-specific) USY Bridge structure USZ Ducting structure UT Structures for auxiliary systems UTA Supply systems building UTB Central water chiller building, conventional area UTC Central water chiller building, nuclear area UTF Compressed air system building UTG Central gas supply systems building (no fuel supply) UTH Auxiliary steam generator building UTJ Smoke stack UTS Chemical storage tank pit UTX Special structure (plant-specific) UTY Bridge structure UTZ Ducting structure UU Shaft structures UV Structures for chemical flue gas treatment incl. residues removal (for *HR.*, *HS.*, *HT.*) UVA Structure for flue gas-side heat exchanger UVB Structure for flue gas fan system UVC Structure for flue gas scrubber, reactor UVD Structure for adsorbent/absorbent circuit UVE Ammonia storage building UVE Ammonia storage building UVE Structure for reagent supply, incl. preparation/treatment, storage, forwarding UVE Structure for reagent supply, incl. preparation/treatment, storage, forwarding UVF Evaporation building UVF Structure for thickening and solids dewatering, solids drying and compacting system UVF Evaporation building UVF Structure for thickening and solids dewatering, solids drying and compacting system UVG Structure for chemical flue gas treatment UVG Flue gas treatment building UVG Flue gas treatment building UVG Structure for chemical flue gas treatment UVH Structure for (solids/product) forwarding, storage, loading UVJ Analysis building UVM Structure for catalyst handling and storage UVX Special structure (plant-specific) UVY Bridge structure UVZ Ducting structure UX Structures for external systems (power plant-specific) UXA Structure for seawater desalination plant UXX Special structure (plant-specific) UXY Bridge structure UXZ Ducting structure UY General service structures UYA Office and staff amenities building UYB Staff amenities building UYC Administration building UYD Canteen UYE Gate house UYF Security gate house UYG Information center UYH Training facilities UYJ Medical center UYN Railway engine shed UYP Fire station UYQ Garage UYR Automobile workshop UYS Filling station UYX Special structure (plant-specific) UYY Bridge structure UYZ Ducting structure UZ Structures for transport, traffic, fencing, gardens and other purposes UZA Works roadways, paths, incl. associated structures UZA Ramp UZA Ramp UZA Works roadways, paths, incl. associated structures UZC Yards UZD Parking areas, incl. associated structures UZE Railway structures UZF Lifting gear structures UZJ Fencing and gates UZK Gardens, incl. structures UZL Noise abatement structures UZM Protective structures against external impact (EI) UZN Structure for flood protection UZP Structure for bank/shoreline stabilization UZQ Structure for river regulation UZR Jetty, quay UZS Breakwaters UZT Outdoor area, plots of land and land rights UZT Piping and cable routes in outdoor area UZT Outdoor area, plots of land and land rights UZT Piping and cable routes in outdoor area UZU Site security structure UZW Residential buildings, residential area UZX Special structure (plant-specific), scrap yard UZY Bridge structure UZZ Ducting structure XA Steam turbuine plant XAA HP turbine XAB IP turbine XAC LP turbine XAD Bearings XAG Condensing system XAH Motive water system (if separate from *XAJ*) XAJ Air removal system XAK Transmission gear between prime mover and driven machine, incl. turning gear XAL Drain and vent systems XAM Leak-off steam system XAN Turbine bypass station, incl. desuperheating spray system XAP LP turbine bypass XAQ Vent system (if separate from *XAL*) XAV Lubricant supply system XAW Sealing, heating and cooling steam system XAX Non-electric control and protection equipment, incl. fluid supply system XAY Electrical control and protection equipment XB Gas turbine plant XBA Turbine, compressor rotor with common casing XBB Turbine casing and rotor XBC Compressor casing and rotor XBD Bearings XBH Cooling and sealing gas system XBJ Start-up unit XBK Transmission gear between prime mover and driven machine, incl. turning gear, barring gear XBL Intake air, cold gas system (open cycle) XBM Combustion chamber (gas heating, combustion) XBN Fuel supply system (liquid) XBP Fuel supply system (gaseous) XBQ Ignition fuel supply system (if separate) XBR Exhaust gas system (open cycle) XBS Storage system XBT Motive gas generator unit, incl. combustion chamber XBU Additive system XBV Lubricant supply system XBW Seal oil supply XBX Non-electric control and protection equipment, incl. fluid supply system XBY Electrical control and protection equipment XBZ Lubricant and control fluid treatment system XE Hydraulic turbine plant XEA Turbine (casing, shaft, runner, draft tube etc.) XEB Isolating valve XED Bearings XEG Stabilizing air system XEK Transmission gear between prime mover and driven machine XEL Water depression air supply system XES Shaft gland cooling water system XEV Lubricant supply system XEW Sealing water supply system XEX Non-electric control and protection equipment, incl. fluid supply system XEY Electrical control and protection equipment XJ Diesel engine plant XJA Engine XJB Turbocharger, blower XJG Liquid cooling system XJH Air intercooling system XJK Transmission gear between prime mover and driven machine XJN Fuel systems XJP Start-up unit, (incl. flywheel) XJQ Air intake system XJR Exhaust gas system XJV Lubricant supply system XJW Sealing fluid supply system XJX Fluid supply system for control and protection equipment XJY Control and protection equipment XK Generator plant XKA Generator frame, incl. stator, rotor and all integral cooling equipment XKB Generator exciter set, including set with electrical braking system (use only if *XKC* is not sufficient for identification) XKC Generator exciter set, including set with electrical braking system XKD Bearings XKF Stator/rotor liquid cooling system, incl. coolant supply system XKG Stator/rotor hydrogen (H2) cooling system, incl. coolant supply system XKH Stator/rotor nitrogen (N2) / carbon dioxyde (CO2) cooling system, incl. coolant supply system XKJ Stator/rotor air cooling system, incl. coolant supply system XKQ Exhaust gas system (if separate from *XKG* and *XKH*) XKU Stator/rotor cooling oil cooling system, incl. coolant supply system XKV Lubricant supply system (if separate system for generator) XKW Sealing oil system, incl. supply and treatment XKX Fluid supply system for control and protection equipment XKY Control and protection equipment XL Electro-motive plant (incl. motor generator) XLA Motor frame, motor generator frame, incl. stator, rotor and all integral cooling equipment XLC Exciter set XLD Bearings XLF Stator/rotor liquid cooling system, incl. coolant supply system XLG Stator/rotor gas cooling system, incl. coolant supply system XLH Stator/rotor nitrogen cooling system, incl. coolant supply system XLQ Exhaust gas system (if separate from *XLG* and *XLH*) XLU Stator/rotor cooling oil cooling system, incl. coolant supply system XLV Lubricant supply system (if separate system for electro-motive units) XLW Sealing oil system, incl. supply and treatment XLX Fluid supply system for control and protection equipment XLY Control and protection equipment XP Common installations for heavy machinery XPA Foundations XPB Sheating XPG Frame, support structure XPR Forced cooling system XPS Drying and layup system XR Gas engine plant XRA Gas engine plant XRB Gas engine plant XRC Gas engine plant XRD Gas engine plant XRE Gas engine plant XRF Gas engine plant XRG Gas engine plant XRH Gas engine plant XRJ Gas engine plant XRK Gas engine plant XRL Gas engine plant XRM Gas engine plant XRN Gas engine plant XRP Gas engine plant XRQ Gas engine plant XRR Gas engine plant XRS Gas engine plant XRT Gas engine plant XRU Gas engine plant XRV Lubricant supply system XRW Sealing fluid supply system XRX Fluid supply system for control and protection equipment XRY Control and protection equipment XV Lubricant supply system XVA Lubricant supply system XVB Lubricant supply system XVC Lubricant supply system XVD Lubricant supply system XVE Lubricant supply system XVF Lubricant supply system XVG Lubricant supply system XVH Lubricant supply system XVJ Lubricant supply system XVK Lubricant supply system XVL Lubricant supply system XVM Lubricant supply system XVN Lubricant supply system XVP Lubricant supply system XVQ Lubricant supply system XVR Lubricant supply system XVS Lubricant supply system XVT Lubricant supply system XVU Lubricant supply system XW Sealing fluid supply system XWA Sealing fluid supply system XWB Sealing fluid supply system XWC Sealing fluid supply system XWD Sealing fluid supply system XWE Sealing fluid supply system XWF Sealing fluid supply system XWG Sealing fluid supply system XWH Sealing fluid supply system XWJ Sealing fluid supply system XWK Sealing fluid supply system XWL Sealing fluid supply system XWM Sealing fluid supply system XWN Sealing fluid supply system XWP Sealing fluid supply system XWQ Sealing fluid supply system XWR Sealing fluid supply system XWS Sealing fluid supply system XWT Sealing fluid supply system XWU Sealing fluid supply system XX Fluid supply system for control and protection equipment XXA Fluid supply system for control and protection equipment XXB Fluid supply system for control and protection equipment XXC Fluid supply system for control and protection equipment XXD Fluid supply system for control and protection equipment XXE Fluid supply system for control and protection equipment XXF Fluid supply system for control and protection equipment XXG Fluid supply system for control and protection equipment XXH Fluid supply system for control and protection equipment XXJ Fluid supply system for control and protection equipment XXK Fluid supply system for control and protection equipment XXL Fluid supply system for control and protection equipment XXM Fluid supply system for control and protection equipment XXN Fluid supply system for control and protection equipment XXP Fluid supply system for control and protection equipment XXQ Fluid supply system for control and protection equipment XXR Fluid supply system for control and protection equipment XXS Fluid supply system for control and protection equipment XXT Fluid supply system for control and protection equipment XXU Fluid supply system for control and protection equipment XY Control and protection equipment XYA Control and protection equipment XYB Control and protection equipment XYC Control and protection equipment XYD Control and protection equipment XYE Control and protection equipment XYF Control and protection equipment XYG Control and protection equipment XYH Control and protection equipment XYJ Control and protection equipment XYK Control and protection equipment XYL Control and protection equipment XYM Control and protection equipment XYN Control and protection equipment XYP Control and protection equipment XYQ Control and protection equipment XYR Control and protection equipment XYS Control and protection equipment XYT Control and protection equipment XYU Control and protection equipment EKT Heating medium system for gaseous fuel GAA Raw water treatment (Extraction, mechanical cleaning) GHC Distribution system after treatment (DM water) HAD Boiler Evaporator system HBK Steam generator interior LAB Feedwater piping system (excl. FW pump and FW heating system) LBA Main steam piping system LBB Hot reheat piping system LBC Cold reheat piping system LBD Extraction piping system LBG Auxiliary steam piping system LBH Start-up steam system, shutdown steam system LCA Main condensate piping system (excl. main condensate pump system,LP FW heating system, condensate polishing plant) LCM Clean drains system (collecting and return system) LDK Condensate polishing system Piping system PAB Circulating (main cooling) water piping system PAD Recirculating cooling system, outfall cooling system PAR CT Make-up water piping system PCB Service cooling water Piping and culvert system PGB Closed cooling water system SGA Fire water system, conventional area SGC Spray deluge systems, conventional area SGJ CO2 fire-fighting systems UAA Switchyard structure UAB Grid systems switchgear building UAC Grid systems control building UAE Structure for pneumatic control system UBA Switchgear building UBD Structure for low-voltage auxiliary power transformers UBE Structure for medium-voltage auxiliary power transformers UBF Structure for generator transformers UBH Structure for oil collecting pits UBN Structure for emergency power generating sets (without central water chiller) UBY Bridge structure UBZ Ducting structure UCA Unit control room building UCY Bridge structure UCZ Ducting structure UEN Structure for transfer, conversion, storage of gaseous fuels UEN Structure for transfer of gaseous fuels UEN Structure for transfer, conversion, storage of gaseous fuels UEN Structure for transfer of gaseous fuels UEZ Ducting structure UGA Structure for raw water supply UGD Structure for demineralization system UGE Structure for neutralization system UGF Structure for fire water supply UGG Structure for drinking water supply UGH Structure for rainwater UGJ Structure for cooling tower make-up water treatment UGK Flocculant mixing chamber UGL Flocculator structure, flocculator UGN Treated water basin UGP Sludge thickener UHA Steam generator enclosure, steam generator building (boiler house) UHA Steam generator building UHA Steam generator enclosure, steam generator building (boiler house) UHA Steam generator building UHC Conversion drum building UHQ Structure for flue gas filtering system UHU Structure for flue gas reheating system UHV Structure for combustion air circulation (e. g. for forced draft fan) UHW Boiler blowdown structure UHX Special structure (plant-specific) UHY Bridge structure UHZ Ducting structure ULA Feedwater pump house ULB Emergency feed building ULC Structure for condensate system ULD Structure for condensate polishing plant (if separate) UMA Steam turbine building UMB Gas turbine building UMC Gas and steam turbine building (tandem arrangement) UMY Bridge structure UMZ Ducting structure UPA Circulating (cooling) water intake culvert UPB Service (secondary cooling) water intake culvert UPC Circulating (cooling) water intake structure UPD Service (secondary cooling) water intake structure UQA Circulating (cooling) water pump building UQB Service (secondary cooling) water pump building URA Cooling tower structure (circulating/main cooling water) URB Recirculation cooling structure for cooling water systems URB Cooling tower structure (service/secondary cooling water) URB Recirculation cooling structure for cooling water systems URB Cooling tower structure (service/secondary cooling water) URC Recirculation cooling structure for other cooling systems URD Cooling tower pump building (circulating/main cooling water) URE Cooling tower pump building (service/secondary cooling water) USA Structure for heating, ventilation, air-conditioning (HVAC) systems USB Structure for space heating systems USC Structure for stationary compressed air supply system USG Fire pump house