NATIONAL IRANIAN OIL COMPANYSOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. TYPE RP N I O C Pars Oil and Gas Company Doc. Class: 1 Page 1 of 30 DOCUMENT No. PROJECT UNIT NO. MAT. CODE 1718 999 6500 S/N 0002 REV. 6 FOR CONSTRUCTION DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE (ONSHORE FACILITIES) 6 5 4 3 2 1 0 A REV. 02/12/08 01/11/08 12/08/08 01/07/08 21/05/2007 10/05/2007 19/04/2007 02/04//2007 DATE Approved For Construction Issued for Approval (IFA) Issued for Comment (IFC) Approved for Design (AFD) Approved for Design (AFD) Approved for Design (AFD) Issued for Company Approval (ICA) Issued for Internal Review(IDC) DESCRIPTION IDRO IDRO IDRO IDRO WP WP WP WP ORIG. MRB MRB MRB MRB RD RD RD RD PRPD MS MS MS MS MS MS MS MS CHKD AGH AGH AGH AGH RD RD RD RD AKH AKH AKH AKH MS MS MS MS APP’D AUTH’D This document is the sole property of N.I.O.C, all information contained herein may neither be reproduced, used, disclosed, transmitted nor in any way made public without permission of the owner. NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. TYPE RP N I O C Pars Oil and Gas Company Doc. Class: 1 Page 2 of 30 DOCUMENT No. PROJECT UNIT NO. MAT. CODE 1718 999 6500 S/N 0002 REV. 6 TABULATION OF REVISED PAGES Page 1. 2. 3. 4. 5. 6. 7. 8. 9. 10. 11. 12. 13. 14. 15. 16. 17. 18. 19. 20. 21. 22. 23. 24. 25. 26. 27. 28. Rev 2 Rev 3 Rev 4 Rev 5 Rev 6 Page Rev 2 Rev 3 Rev 4 Rev 5 Rev 6 29. 30 31 X X X X X X X X X This document is the sole property of N.I.O.C, all information contained herein may neither be reproduced, used, disclosed, transmitted nor in any way made public without permission of the owner. NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. TYPE RP N I O C Pars Oil and Gas Company Doc. Class: 1 Page 3 of 30 DOCUMENT No. PROJECT UNIT NO. MAT. CODE 1718 999 6500 S/N 0002 REV. 6 Contents 1. 2. 3. 3.1 4. 4.1 4.2 4.3 5. 6. 7. 8. 9. 9.1 9.2 9.3 9.4 9.5 10. 10.1 10.2 10.3 11. DOCUMENT SCOPE ................................................................................ 5 INTRODUCTION....................................................................................... 5 PROJECT OVERVIEW ............................................................................. 5 Plant Description ................................................................................... 6 CODES AND STANDARDS...................................................................... 7 Rules ..................................................................................................... 7 Standard Drawings ............................................................................... 7 Precedence ............................................................................................8 REFERENCE DOCUMENTS .................................................................... 8 ABBREVIATIONS ..................................................................................... 8 DEFINITIONS ......................................................................................... 10 USE OF LANGUAGE .............................................................................. 11 DESIGN BASIS....................................................................................... 11 Climatic Data....................................................................................... 11 Process Requirements ........................................................................ 12 Insulation Types .................................................................................. 12 Insulation Data .................................................................................... 13 Insulation Thickness ........................................................................... 13 INSULATION MATERIALS ..................................................................... 13 Insulating Materials ............................................................................. 14 Insulation Accessories to be Used with the Conventional Method (With Preformed Elements) .......................................................................... 15 Insulation Accessories to be Used with the “In Situ Expanded” Method18 APPLICATION OF INSULATION ............................................................ 19 This document is the sole property of N.I.O.C, all information contained herein may neither be reproduced, used, disclosed, transmitted nor in any way made public without permission of the owner. ..............................6 12.... 21 “In Situ Expanded” Method (for Flanged Accessories) ... .................................................................. 6 11................................ used..... 26 GUARANTEES ...................... disclosed.....O............................................. MAT... 21 “Conventional Method”: Generalities ..........4 11...............1 11...5 11.I............. 13...C..... CODE 1718 999 6500 S/N 0002 REV..........................2 11.................. TYPE RP N I O C Pars Oil and Gas Company Doc... Class: 1 Page 4 of 30 DOCUMENT No..................... transmitted nor in any way made public without permission of the owner.. 26 Appendices ANNEX 1 ANNEX 2 This document is the sole property of N................... PROJECT UNIT NO................. 19 Precautions Prior to Application .................................................. Insulation Techniques .. 20 Application of Insulation ............... all information contained herein may neither be reproduced........................NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC......................3 11................... 25 INSPECTION ............................... 21 Extent of the Insulation ............. periodically pumped through a condensate export pipeline to a SBM via fiscal metering facilities. TYPE RP N I O C Pars Oil and Gas Company Doc.O. INTRODUCTION The IDRO/OIEC/IOEC Consortium has been contracted by the National Iranian Oil Company (NIOCPOGC) to conduct the EPCC for South Pars Phases 17 & 18 Project. used. sealants. Reservoir fluids are transported to shore to the mainland (ASSALUYEH) at a distance of approximately 105 km for further treatment.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. 3. vapour barriers. attachments. DOCUMENT SCOPE This specification defines the thermal insulation requirements for cold equipment. PROJECT OVERVIEW The Iranian South Pars field is the largest discovered offshore gas field in the world. The produced condensate shall be stored in dedicated storage facilities. 2. the extent of insulation and the methods of application. adhesives. This Project includes Offshore Facilities. 6 1. Class: 1 Page 5 of 30 DOCUMENT No. .C. South Pars Phases 17 & 18 are a further development of the South Pars gas field consisting of Four 500 MMSCFD Gas Treating Units. and Onshore Facilities for the processing of the reservoir fluid. MAT. disclosed.I. This document is the sole property of N. A new interconnecting pipeline shall transport the lean gas produced to the domestic gas distribution network via fiscal metering facilities. PROJECT UNIT NO. located 100 km offshore in the Persian Gulf. CODE 1718 999 6500 S/N 0002 REV. piping and instruments for the Onshore facilities. The facilities shall be developed on the basis of supplying treated lean gas to the domestic gas network and ethane gas to the nearby petrochemical complex at the required specifications while maximising liquid recovery as propane and butane and stabilised hydrocarbon condensate for export. The specification includes the different types of insulation materials and thicknesses to be applied. platform and undersea pipelines. all information contained herein may neither be reproduced. transmitted nor in any way made public without permission of the owner. periodically pumped through a dedicated loading pipelines network to LPG carriers berthed at a jetty via fiscal metering facilities. The treated propane and butane shall be stored separately in refrigerated atmospheric double wall storage tanks. 6 3. • NGL fractionation facilities to produce sour liquid propane. • Propane and butane separate atmospheric storage tanks. • Gas treatment facilities producing sales gas. disclosed. CODE 1718 999 6500 S/N 0002 REV. and full containment. all information contained herein may neither be reproduced. − Dehydration unit. TYPE RP N I O C Pars Oil and Gas Company Doc. This condensate is routed to the condensate stabilisation system for treatment. producing sales gas. • MEG regeneration and injection unit.O. • Utilities. . gaseous ethane and NGL. • Sulphur recovery producing liquid sulphur for solidification. granulation and export. Class: 1 Page 6 of 30 DOCUMENT No. is provided as a back-up to the stabilisation facilities. transmitted nor in any way made public without permission of the owner. − Gas export compression.C.I. − Ethane extraction unit. The light ends are recycled to the HP gas system. refrigerated with reinforced concrete external walls. PROJECT UNIT NO.1 Plant Description The main functions of the Onshore processing facilities are: • Reception facilities for the HP fluids and separation of the raw gas and condensate/water/MEG mixture.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. double wall. This document is the sole property of N. using molecular sieves technology. butane and condensate. MAT. − Mercury guard. offsites as required for operation. gaseous ethane and NGL’s consisting of: − H2S removal from gas / CO2 partial removal from gas. normally not operated. One condensate flashing unit. • Condensate stabilisation producing stabilised condensate for storage and export. • Propane and butane treatment for mercaptans removal and drying for storage and export. • Ethane treatment for CO2 removal and drying for further export. used. Wicking Type Thermal Insulation for Use Over Austenitic Stainless Steel.C. 4.O. Class: 1 Page 7 of 30 DOCUMENT No.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. CODE 1718 999 6500 S/N 0002 REV. Unfaced Pre-formed Rigid Cellular Polyurethane Thermal Insulation. used. shall meet the following ASTM: • ASTM A 463: • ASTM C 591: • ASTM D 2341: • ASTM A 167: • ASTM C 795: • ASTM E 84: • ASTM E 96: • ASTM C552: • ASTM C177: Steel sheet. Aluminium-Coated. Water vapour transmission of Materials. Surface burning characteristics of building materials. Standard test method for steady state heat flux measurements and thermal transmission properties by means of the guarded hot plate apparatus Standard test method for open-cell content of rigid cellular plastics. all information contained herein may neither be reproduced. TYPE RP N I O C Pars Oil and Gas Company Doc. transmitted nor in any way made public without permission of the owner. Cellular Glass Thermal Insulation. 6 4. Rigid Urethane Foam. CODES AND STANDARDS All work shall be completed in accordance with engineering codes and standards listed in document: DB-1718-999-P332-0203: List of Applicable Codes & Industry Standards. cold-rolled. Stainless Chromium Steel Plate Sheet and Strip. Type 1 and 2.2 Standard Drawings Detailed standard drawings shall be issue by the applicator or manufacturer and submitted for approval to COMPANY. disclosed. PROJECT UNIT NO. . Cold insulating material. MAT.I.1 Rules Insulation shall be applied in agreement with the requirements of this specification together with the requirements of the MANUFACTURER/S and good thermal insulation engineering practice. This document is the sole property of N. Standard Specification for Aluminium and Aluminium Alloy Sheet and Plate • ASTM D 2856 • ASTM B209 4. MAT.I. REFERENCE DOCUMENTS This document is complemented by the following documents: • RP-1718-999-6500-0001: • RP-1718-999-1543-0001: • RP-1718-999 6600-0001: • RP-1718-999-6000-0001: • DB-1718-999-P332-0204 : Heat Insulation of Equipment and Piping in Hot Service Specification Fire Proofing. .O.3 PRECEDENCE In case of conflict between requirements specified herein and the requirements of any other referenced document. Shop and Field Painting Specification. disclosed. the order of precedence shall be: • This specification • Particular specification • Applicable international codes industrial standards • Data sheet • Material requisition 5.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. OIEC and IOEC Consortium National Iranian Oil Company Oil Industries Engineering and Construction Pars Oil and Gas Company Approved for Construction This document is the sole property of N. 6 4. Specification for Noise Control Basic Engineering Design Data for Onshore Facilities. 6. CODE 1718 999 6500 S/N 0002 REV. Class: 1 Page 8 of 30 DOCUMENT No. PROJECT UNIT NO. transmitted nor in any way made public without permission of the owner. used. ABBREVIATIONS IDRO IOEC IOIC NIOC OIEC POGC AFC Industrial Development and Renovation Organisation Iranian Offshore Engineering and Construction Company IDRO. TYPE RP N I O C Pars Oil and Gas Company Doc.C. all information contained herein may neither be reproduced. PROJECT UNIT NO. MAT. used. Procurement. all information contained herein may neither be reproduced. transmitted nor in any way made public without permission of the owner. CODE 1718 999 6500 S/N 0002 REV.C. Class: 1 Page 9 of 30 DOCUMENT No. 6 AFD Bbl EPCC DFT FEED HSE ISO ITT MMSCFD MSDS NGL OSHA PIR PO PQMS PQP QA QC QMS RFQ SBM V.O.O. . Construction and Commissioning Dry Film Thickness Front End Engineering Design Health. disclosed. Safety & Environment International Organisation for Standardisation Invitation to Tender Million standard cubic feet per day Material Safety Data Sheets Natural Gas Liquids Occupational Health and Safety Administration Polyisocyanurate foam Purchase Order Project Quality Management System Project Quality Plan Quality Assurance Quality Control Quality Management System Request For Quotation Single Buoy Mooring Volatile Organic Compounds WorleyParsons Services Pty Ltd This document is the sole property of N.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.C WP Approved for Design Barrels Engineering.I. TYPE RP N I O C Pars Oil and Gas Company Doc. .O. SUB-CONTRACTOR: Shall mean the party sub-contracted by the CONTRACTOR for Engineering. 6 7. CONTRACTOR: Shall mean the Consortium of IDRO.C. MAT. firm or business which manufacture or supply materials. CONSTRUCTION CONTRACTOR: Shall mean the party sub-contracted by the CONTRACTOR for construction WORK. APPLICATOR: Shall mean any person. disclosed. CODE 1718 999 6500 S/N 0002 REV. QUALITY MANAGEMENT SYSTEM: Shall mean the management system that directs and controls an organisation with regard to quality. DEFINITIONS Within this specification the following definitions shall apply: ASSALUYEH: which is one of the biggest industrial centers for producing energy in the world is located 270 km southeast of Bushehr province has been selected as refinery location for the construction of onshore facilities of phased development of this field. COMPANY: Shall mean PARS OIL & GAS COMPANY (NIOC-POGC). PREVENTATIVE ACTION: Shall mean an action taken to eliminate the cause of a potential nonconformity or other potentially undesirable situation. This document is the sole property of N. SUPPLIER or VENDOR. Class: 1 Page 10 of 30 DOCUMENT No. SITE: Shall mean the premises and places on. transmitted nor in any way made public without permission of the owner. WORK: Shall mean all and any of the works and / or services and/or materials required to be provided by the CONTRACTOR or CONSTRUCTION CONTRACTOR. equipment or services for the performance of any item of WORK.I.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. OIEC and IOEC in charge of EPCC realisation of SOUTH PARS Phases 17 & 18 in the CONTRACT with COMPANY. in. QUALITY: Shall mean the degree to which a set of inherent characteristics fulfil requirements. or his representative. MANUFACTURER. all information contained herein may neither be reproduced. Construction WORK. PROJECT UNIT NO. INSPECTION AGENCY: This term designates the inspection bodies as third party agencies which will be nominated by contractor and approved by company to carry out the inspection and certification tasks independently based on the approved Inspection & Test Plans. TYPE RP N I O C Pars Oil and Gas Company Doc. over or through which the WORK is to be executed or carried out including CONTRACTOR’s engineering office and the PLANT. used. under. or his representative. NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. have meaning as follows: • "Will" is used normally in conjunction with a request from CONTRACTOR. that the requirements for an intended use have been fulfilled. by the provision of objective evidence. TYPE RP N I O C Pars Oil and Gas Company Doc. MAT. VERIFICATION: Shall mean confirmation. APPLICATOR: This term designates the Sub-contractor that applies Insulation. all information contained herein may neither be reproduced. 6 CORRECTIVE ACTION: Shall mean an action taken to eliminate the cause of a detected non-conformity or other undesirable situation. the words "will". "shall" and "should” when used. . USE OF LANGUAGE Throughout this specification. • "May" is used where alternatives are equally acceptable. that specified requirements have been fulfilled. 9. MANUFACTURER: This term designates the Sub-contractor that produces and supplies insulating materials 8. transmitted nor in any way made public without permission of the owner. 9.O. • "Shall” is used where a provision is mandatory. "may". Class: 1 Page 11 of 30 DOCUMENT No. used. CODE 1718 999 6500 S/N 0002 REV. VALIDATION: Shall mean confirmation. • "Should" is used where a solution is preferred.C. by the provision of objective evidence.I.1 DESIGN BASIS Climatic Data Maximum dry air temperature (Monthly average) Relative Humidity (for the considered maximum temperature) Refer to Basic Engineering Design Data for Onshore Facilities: DB-1718-999-P332-0204 Wind speed Solar radiation This document is the sole property of N. PROJECT UNIT NO. disclosed. DUAL ( HOT AND COLD ) INSULATION ( CODE D ) In order to ensure cold conservation and hot insulation on equipment and subject to temperature cycles ( negative and positive ). piping. MAT. CODE 1718 999 6500 S/N 0002 REV. used.2 Process Requirements Maximum of heat gain throughout the cold insulation: 28 W/m2 9. PROJECT UNIT NO.I. TYPE RP N I O C Pars Oil and Gas Company Doc.O. Class: 1 Page 12 of 30 DOCUMENT No. ANTI-ICING ( CODE I ) In order to prevent ice formation on equipment or pipe which creates overloading and over stressing on equipment. equipment. pipes. COLD AND ACOUSTIC INSULATION ( CODE L ) Both to maintain a process temperature or for energy saving and to reduce the noise level of equipment or piping. . This document is the sole property of N. refer to the Project specification for noise requirements. or pipes located below. disclosed.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. ANTI-CONDENSATION ( CODE K ) In order to prevent condensation on equipment or pipes which create nuisances such as corrosive action on structures.C. 6 Emissivity of aluminised steel jacketing : 9. all information contained herein may neither be reproduced. transmitted nor in any way made public without permission of the owner. and consequently on racks and structures. Acoustic insulation shall be applied over the cold insulation.3 Insulation Types Equipment. Insulation thickness shall be calculated case by case to take into account the most stringent of both hot or cold constraints. instruments shall be insulated for : COLD CONSERVATION ( CODE C ) In order to maintain a process temperature or for energy saving by reducing the heat-gain. MAT. shells.Operating Temperature (oC) .I.4 Insulation Data Insulation data shall be indicated on the following documents. This document is the sole property of N. slabs. Commercial forms may be used for pre-formed polyisocyanurate ( PIR ) elements and cellular glass panels. refer to annexed tables. • Equipment insulation: • Pipe insulation: Equipment list & Mechanical Data Sheets Line list & Piping Report including: .C. ( cold conservation type ) then the acoustic insulation shall be applied on the vapour barrier of the preceding cold insulation.5 Insulation Thickness The service temperature determines the insulation thickness. 10. For cold conservation and anti-condensation with Polyisocyanurate ( PIR ) + cellular glass For combined cold and acoustic insulation the normal cold insulation shall be applied. PROJECT UNIT NO. used.Insulation Thickness (mm) • Instrument insulation: Instrument list 9. INSULATION MATERIALS Materials to be used for cold insulation shall be : • Polyisocyanurate • Cellular glass in conformity to the ASTM listed in section 4 above and as follows. all information contained herein may neither be reproduced. transmitted nor in any way made public without permission of the owner.Pipe Length (m) . For anti-icing ( Code I ) a layer of 25 mm shall be applied on concerned items. Class: 1 Page 13 of 30 DOCUMENT No. TYPE RP N I O C Pars Oil and Gas Company Doc. For cold conservation and anti-condensation.O. according to the equipment and pipe sizes and forms.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. CODE 1718 999 6500 S/N 0002 REV. as minimum. disclosed. Note : A complete vapour barrier shall be applied on the outer surface of this acoustic insulation. . 6 9. INSULATION TABLES • ANNEX 1: • ANNEX 2: For cold conservation and anti-condensation with only Polyisocyanurate (PIR). blocks. O. . : • Density • Temperature limits • Permeability/capillarity • Thermal conductivity at 20°C • Percentage of closed cells • Compressive strength in any direction • Water vapour transmission at 23°C and 85% RH • Fire properties : 50 kg/m3 ± 1% : .1. 6 10. Class: 1 Page 14 of 30 DOCUMENT No.200°C to + 100°C : < 5 vol. transmitted nor in any way made public without permission of the owner. : • Density • Temperature limits • Permeability/capillarity • Combustibility • Thermal conductivity at 0°C • Compressive strength in any direction : 125 kg/m3 : .1 Preformed Polyisocyanurate Foam (PIR ) Polyisocyanurate shall be expanded in the manufacturer’s workshop with a control of all parameters : temperature. TYPE RP N I O C Pars Oil and Gas Company Doc. used.2 Cellular Glass Quality T4 as Manufactured by PITTSBURG CORNING exclusively.260°C to + 400°C :0 : No : 0.0454 W/m oC) : 490 kPa This document is the sole property of N. m°C (0.e. To be in conformity to the ASTM C 591 requirements.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.1. Composition : alumino silicate cellular glass with a specially elaborated composition totally inorganic – without binders.1 Insulating Materials 10. MAT.m°C (0.I. i. : < 25 flame spread rating according to ASTM E 84 10. % according to ASTM D 2842 : 0. disclosed.C.039 Kcal/h. i.0233 W/m oC) after 5 months of stabilisation : Minimum 90% : 280 + 40 kPa : 30 + 10 g/m2 . CODE 1718 999 6500 S/N 0002 REV. humidity. PROJECT UNIT NO. all information contained herein may neither be reproduced. 24h. pressure and ratio of polyisocyanurate components. It shall be in conformity to the ASTM C 552 requirements.e.020 Kcal/h. O. A minimum temperature of 15°C shall be maintained for the components. used. which are in contact with the first layer of PIR.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.C.3 “In Situ Expanded “ Polyisocyanurate Foam Basic materials employed for the polyisocyanurate foam injection process shall be supplied on site in 2 components ( polyol + isocyanurate ) from the same manufacturer and shall be compatible with atmospheric conditions of the site. • Thermal conductivity at + 20°C means the temperature measured on 25 mm thick foam cut on both sides and aged at + 21°C for 180 days shall be not be greater than 0.I.0215 Kcal/h m2 °C as per ASTM C 177. MAT. The anti-abrasive coating shall be completely dry before insulating material is applied. . • Density after moulding : 50 kg/m3 The free rise of density shall be 30 to 35 kg/m2 to ensure good compaction of the foam and good homogeneity due to high compression rate. transmitted nor in any way made public without permission of the owner. all information contained herein may neither be reproduced.2 Insulation Accessories to be Used with the Conventional Method (With Preformed Elements) 10. 10. ROBBE. 10. or equivalent.2. disclosed. TYPE RP N I O C Pars Oil and Gas Company Doc.1. 6 10. PROJECT UNIT NO.1 Anti-Abrasive Coating (for Cellular Glass Only ) The internal surfaces of insulating material. or approved equivalent shall be used. • Minimum percentage of closed cells shall be 90% in accordance with ASTM D 2856 • Selected products from SATEC.2. This document is the sole property of N.2 Glues These products shall be used to hold in place insulating materials. or equivalent. Product reference : 888-01 from Bitumes Spéciaux. GARADOL. Product reference: 866-10 from Bitumes Spéciaux. shall be coated with a layer of anti-abrasive coating. SHALL. Class: 1 Page 15 of 30 DOCUMENT No. CODE 1718 999 6500 S/N 0002 REV. piping and instruments.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. Also sealers ensure the differential movements ( due to the temperature fluctuations ) between the insulation elements. used.C. disclosed. For piping : − Width 12 mm and thickness 0.5mm for pipes − For equipment : − Width 16 mm and thickness 0.I. .2. all information contained herein may neither be reproduced. CODE 1718 999 6500 S/N 0002 REV.5mm for pipes − Width 16 mm and thickness 0.4 Straps : Fasteners : Tapes They shall be suitable for the selected insulating materials. 10. and to secure in position the aluminium jacketing when required.5mm for equipment − Width 19 mm and thickness 0. MAT. : ∅ ≤ 1200 mm : ∅ > 1200 mm : ∅ ≤ 6” : ∅ > 6” This document is the sole property of N.2. • STRAPS Stainless steel ( AISI 304 or 304L ) or aluminium straps shall be used to secure in position the insulating material on equipment. These products shall be also used as sealing of gaps between the metal sheet overlaps for “ in situ “ method. transmitted nor in any way made public without permission of the owner. These sealers must remain plastic at low temperature and must be chemically inert. Class: 1 Page 16 of 30 DOCUMENT No. Product reference : 886-06 from Bitumes Spéciaux.3 Sealers These products shall be used to prevent the entrance of moisture or vapour between the insulation elements. PROJECT UNIT NO. Inner layer of insulation shall only be secured by adhesive tapes.5mm for equipment • FASTENERS They shall be adapted to the straps on which they are used. TYPE RP N I O C Pars Oil and Gas Company Doc. 6 10. or equivalent.O. the vapour barrier and the metal jacketing. Class: 1 Page 17 of 30 DOCUMENT No.2. or equivalent.2. TYPE RP N I O C Pars Oil and Gas Company Doc. It must be moisture proof and waterproof to avoid damaging the insulation. a metal jacket shall be applied as mechanical reinforcement ( example : in circulation zones or near flares to protect the vapour barrier against hot radiation ). PROJECT UNIT NO. Vapour barrier must be fire resistant proof after drying. Vapour barrier must resist long term exsposure to sunlight and rain.5 Vapour Barrier Vapour barrier shall consist of a weatherproofing mastic. This jacketing shall be applied after the complete drying of the vapour barrier and shall be secured by means of straps.I. Selected type : ASTM B209 Alloy 1100 or 1060 or 3003 (for diameter ( ≥ 12")) This document is the sole property of N. disclosed. MAT. 10. reinforced by a polyester fabric to ensure the mechanical protection.6 Mechanical Protection : Jacketing In specific cases.C. transmitted nor in any way made public without permission of the owner. 6 • TAPES Reinforced adhesives tapes : minimum width 50 mm 10. CODE 1718 999 6500 S/N 0002 REV.O.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. Only Aluminium Sheet (ASTM B209 Alloy 1100 or 1060 or 3003 (for diameter >= 12")) shall be used for metal jacketing. used. Product reference : HYPALCOTE 570 from Bitumes Spéciaux. . Vapour barrier may consist of Hypalon mastic. all information contained herein may neither be reproduced. used.1 Polyisocyanurate Spacers These spacers shall be cut out from moulded Polyisocyanurate blocks as defined in section 10. . Class: 1 Page 18 of 30 DOCUMENT No. PROJECT UNIT NO. transmitted nor in any way made public without permission of the owner. 10.2. all information contained herein may neither be reproduced.3 Insulation Accessories to be Used with the “In Situ Expanded” Method 10.O. TYPE RP N I O C Pars Oil and Gas Company Doc. or equivalent.I.3.0 Mechanical protection shall be secured in place by means of straps and fasteners.1.3.63 0.2 Adhesives Used to fasten Polyisocyanurate ( PIR ) spacers on pipes.1. Product reference 888-01 from Bitumes Spéciaux.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. 10. 10. Only two component adhesives shall be used. 6 Thickness of sheets Thickness of sheets shall be as follows: External diameter of insulation Up to 6” Over 8” Over 20” and flat surfaces Thickness of sheets (mm) 0. This document is the sole property of N.3 Metallic Jacketing Used both as moulding foam and as vapour barrier.6 ). ( refer to section 10.C. MAT. disclosed.76 1. CODE 1718 999 6500 S/N 0002 REV. Aluminium sheets shall be used for metal jacketing.3. Screws to have plastic washer under the head.2.5 Aluminium Foiled Blanket Used on flanged accessories both to permit easy dismantling and to prevent direct contact between the foam in formation and the cold surfaces. APPLICATION OF INSULATION 11.76 1.3. Thickness shall be 0. Selected type : FMLA from FLUMISOL or equivalent.1 Insulation Techniques 11. TYPE RP N I O C Pars Oil and Gas Company Doc. 10.4 Screws Stainless steel ( AISI 304 or 304L ) screws shall only be used to attach boxes element together. Size to be 4. PROJECT UNIT NO.0 10.I.1 For Equipment / Piping / Instrument Conventional method (by means of preformed element) • On-site units and interconnecting: by means of preformed Polyisocyanurate shells and slabs. Class: 1 Page 19 of 30 DOCUMENT No.3.1. Length 13 mm.8. disclosed. MAT. used.O.63 0.05 mm. ∅ for above 2m. CODE 1718 999 6500 S/N 0002 REV.C. 6 Thickness of sheets Thickness of sheets shall be as follows : External diameter of insulation Up to 6” Over 8” to 20” Boxes Thickness of sheets In (mm) 0. This document is the sole property of N. all information contained herein may neither be reproduced. 11. ∅ for circumference up to 2m & 4. transmitted nor in any way made public without permission of the owner. .NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. These elements shall be sealed and weatherproofed by a vapour barrier. Class: 1 Page 20 of 30 DOCUMENT No. • Satisfactory hydrostatic or pneumatic test. PROJECT UNIT NO. all information contained herein may neither be reproduced.1.I.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. Local Instrument) Insulation may be carried out by the conventional method with prefabricated elements or by the “in situ expanded“ method : “in situ expanded“ method • By pouring Polyisocyanurate foam between flanged accessories and metallic jackets during the precommissioning phases. disclosed.C. 11. TYPE RP N I O C Pars Oil and Gas Company Doc. used. The first layer shall be a 25 mm thick preformed Polyisocyanurate ( PIR ) layer followed by Preformed Cellular glass layer to achieve the total required thickness. This document is the sole property of N. CODE 1718 999 6500 S/N 0002 REV. 11. aluminium foiled blanket shall be applied on all concerned surfaces. transmitted nor in any way made public without permission of the owner. • Support installation.2.1 Support Installation Insulation supports on equipment shall be installed by the vessel fabricators and on piping by the Contractor’s Piping Sub-contractor prior to hydraulic test and/or the post weld heat treatment. piping and instruments prior to application of insulation. material shall not be applied to surface which are wet or covered with frost . 11. Valves.2 For Flanged Accessories (Flanges. During the second phase of insulation.2 Precautions Prior to Application The following operations shall be performed on equipment. Field welding on equipment and on tested and stress relieved piping shall be prohibited unless expressly authorised by the Company. • Preparation of surfaces to be insulated (cleaning. 11. MAT. 6 • Off-site units : by means of a combination of Preformed Cellular glass and Preformed Polyisocyanurate ( PIR ).2 Surface Condition All insulated surfaces must be painted as defined in the Project Painting Specification RP-1718-999-66000001 All surfaces to be insulated shall be cleaned in order to remove all contaminants.2. . passivation and painting).O. and instruments. valves shall only be insulated during the second phase of insulation installation. • To prevent heat losses through the joints of insulation on equipment. i. and the required quality shall be installed. disclosed. 6 11. all information contained herein may neither be reproduced.3 Application of Insulation • FOR EQUIPMENT • Shells.e. • All insulating components shall be glued. This document is the sole property of N.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.4 Extent of the Insulation For cold insulation. flanges nozzles.I. • Any bevelled or rounded edges of insulating component shall be carefully squared off before application. bottoms.C. piping.5 “Conventional Method”: Generalities • Only sound and dry materials having the right dimensions. tees : by the “conventional method” • Flanged Accessories : by the “conventional method “ or by the “ in situ expanded method “ ( during the pre-commissioning phases ) : by the “conventional method” : by the “conventional method “ or by the “ in situ expanded method “( during the pre-commissioning phases ) 11. TYPE RP N I O C Pars Oil and Gas Company Doc. CODE 1718 999 6500 S/N 0002 REV. during the starting phase of the unit ( in cold service ). PROJECT UNIT NO. and sealed as defined by the product manufacturer/supplier. • Cut outs in insulation shall be clean cut. used. These contraction joint shall be filled with mineral wool. Class: 1 Page 21 of 30 DOCUMENT No. . piping and instruments shall be completely insulated. hand holes. • On horizontal pipes jointing of the external layer must be horizontally positioned. transmitted nor in any way made public without permission of the owner. but flanged components such as manholes.O. • All components shall be tight butted. reducers. MAT. elbow. 11. the insulation is to be installed in a staggered arrangement. • When more than one layer is provided to ensure differential movements between equipment/piping and insulation. stiffener ring • Flanged Accessories • FOR PIPING / INSTRUMENTS • Straight parts. • The vapour barrier shall be carefully applied as defined hereafter.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. supports. 11. manholes. . slabs. TYPE RP N I O C Pars Oil and Gas Company Doc. • The outer surface of insulation shall have a regular and smooth contour. MAT. • The vapour barrier shall consist of a coat of weather proofing mastic reinforced with an open weave glass nylon cloth. Class: 1 Page 22 of 30 DOCUMENT No. gussets. disclosed.C. • On equipment head.O. Spacing of straps or tapes shall be 250 mm maximum from centre to centre. transmitted nor in any way made public without permission of the owner. • All spaces between insulation and equipment shall be completely filled and packed with a granular/powder insulation compound.1 Insulation on Equipment (Shell and Bottom / Heads) • Insulation shall be applied in conformity to the recommendations of section 11. all information contained herein may neither be reproduced. shall be applied with length parallel to the greatest dimension of surface being covered. These joints shall be caulked with loose mineral fibre. Polyisocyanurate foam shall be poured into these boxes according to requirements of the foam manufacturer. • Insulation of flange components shall consist of prefabricated light gauge metal boxes fitted to the shapes and sizes of equipment or pipe to which they are applied.5. a small aluminium alloy angle piece shall be installed to prevent the metal strap cutting into the insulation material. used. floating ring shall be used to hold straps. This document is the sole property of N. PROJECT UNIT NO. • Compression joints shall be provided to ensure relative movements ( due to the temperature fluctuations ) between equipment. pipes and the concerned insulation. rings. • On any sharp angles. • All insulation components shall be carefully cut and adjusted to follow the exact shape of surface. nozzles. CODE 1718 999 6500 S/N 0002 REV.I. • The base course shall be applied with alternate length blocks so that all successive end joints are staggered. 6 • Then each layer of insulation shall be secured by stainless steel straps or adhesive tapes as defined hereafter : Multi-layers insulation: Components shall be secured with stainless steel straps except the inner layer that shall be secured with adhesive tape.5 • Insulation elements such as blocks. C. the flanged components must be protected by means of an aluminium foil blanket to permit as easy dismantling after completion. The thickness of the insulation shall be equal to that specified for the equipment. The insulation shall extend downward. PROJECT UNIT NO.2 Insulation of Piping Insulation shall be applied in conformity with the recommendations of the section 11. these plates shall be insulated with a full insulation thickness and an exact copy shall be fixed on the exterior of the insulation.5 This document is the sole property of N. • Before being insulated. used. These flanged components shall be insulated after the start-up of the unit. 6 • Adequate considerations shall be made in design and application for contraction and expansion of the equipment being insulated. . • Full insulation thickness shall be applied over all support rings. MAT. • Skirts supporting equipment shall be insulated inside and outside as part of the equipment area. during the second phase of insulation installation. stiffeners. from the junction of the skirt and the bottom of equipment.I. • During the first phase of insulation works flanged components shall not be insulated . around those the insulation end shall be carefully sealed. equipment identification plates shall be fixed on an uninsulated part of the concerned vessel. all information contained herein may neither be reproduced. cradles. CODE 1718 999 6500 S/N 0002 REV. down to a distance of five times the thickness of the insulation but in no case less than 250 mm.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. • If possible.5. hangers and other connections attached directly to the equipment shall be insulated for a distance of five times the thickness of the insulation. 11. If not possible. and other protuberances on the surfaces of the equipment. transmitted nor in any way made public without permission of the owner. TYPE RP N I O C Pars Oil and Gas Company Doc.O. disclosed. • The end of the insulation must be carefully sealed to the attachment in order to prevent the entrance of moisture or vapour. • Equipment supports legs. Class: 1 Page 23 of 30 DOCUMENT No. and so on Finally metallic jacketing shall be applied if locally required. When two more layers of insulation are provided. • Bends Material shall be cut into suitable segments and joints shall be carefully staggered.5. Insulation of fitting. • Tees and branch connections Elements shall be carefully cut and adjusted. all information contained herein may neither be reproduced. joints shall be staggered as follows : • First layer on secondary branch • First layer on main pipe • Second layer on secondary branch • Second layer on main pipe.C. Class: 1 Page 24 of 30 DOCUMENT No. The end of insulation shall be carefully sealed and insulation of flanges and valves carried out during the second phase of insulation works. TYPE RP N I O C Pars Oil and Gas Company Doc.O. disclosed. 6 • Straight pipe Edges of pipe insulation segments shall be cut off square leaving a distance between the insulation segment edge and the flange bolt extremity equal to the bolt length plus 25 mm to ensure enough clearance for bolt dismantling. used. MAT.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. This document is the sole property of N.I. Each section shall be held in position by a metal strap or adhesives tapes. 11. On valves. transmitted nor in any way made public without permission of the owner. Outer surface of bends shall be rounded to have a smooth contour. flanges and valves shall be prefabricated with the same insulating material and the same thickness than those of the adjacent pipe. stuffing boxes shall be insulated. CODE 1718 999 6500 S/N 0002 REV.5 Insulation must allow normal instrument control and adjusting operations. PROJECT UNIT NO.3 Insulation on Instruments Insulation shall be applied as described in others paragraphs of 11. . After 15 minutes cooling. CODE 1718 999 6500 S/N 0002 REV. transmitted nor in any way made public without permission of the owner. PROJECT UNIT NO.C. or each time the foam injecting machine is restarted. should be of uniform texture. Temperatures and pressures will be monitored continuously during injection. Dimensions of samples inspection are 0. during the first week of operation on site.6. Pre formed jacketing sheets shall have holes for injection foam and air vent. Screws must ensure the sheet tightness and strength due to the PIR expansion. 6 11. all information contained herein may neither be reproduced. Occurrence of above inspection shall be reduced to three until the end of the first month and then to two during the second month. 11.I.O. used. • Check of foam Sample of foam will be prepared daily. and should be of the specified mass density.1 M.1 M.1 Checking of the “In Situ Expanded” Application • Check of machine The flow rates of each ingredient will be checked daily before the start of work. Usual precautions shall be taken to ensure proper tightness. the same inspection frequency applies to the foam injecting machine. Polyisocyanurate (PIR) foam pouring shall immediately be carried out. x 0. Class: 1 Page 25 of 30 DOCUMENT No. . MAT. Patching up shall be made by insertion of prefabricated Polyisocyanurate block with metallic protection. without voids or shrinkage. disclosed. the foam produced will be examined. an aluminium foiled blanked shall be installed. TYPE RP N I O C Pars Oil and Gas Company Doc.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.6 “In Situ Expanded” Method (for Flanged Accessories) After defrosting of concerned components. Such inspection may take place as often as five times per day. Also jacketing shall be sealed to reinforce weatherproofing. then prefabricated metallic boxes shall be placed. After PIR expansion these holes shall be plastic plugged. • Check of filling of cavities injected This document is the sole property of N. Samples should contain no trace of non-polymerised product. in polyethylene bags. Jacketing shall be 50 mm overlapped (circumferential and longitudinal). • Destructive inspection Quality of insulation material may be checked by destructive inspection. Injection of foam immediately after installation of cladding sheets.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. or ice. Class: 1 Page 26 of 30 DOCUMENT No. • Controls Only visual control is made to check abnormal ice formation.I. PROJECT UNIT NO. Application of defrosting liquid. used. 2. the subcontractor shall examine the installation to identify traces of abnormal condensation or frost.O. 2. disclosed. 12. as follows : Removal of existing insulation. Application of a flexible cellular or fibrous insulating material backed with aluminium foil to prevent direct contact between the foam in formation and the cold surfaces. This document is the sole property of N.0 of this specification. TYPE RP N I O C Pars Oil and Gas Company Doc. all information contained herein may neither be reproduced. they will be repaired without shutting down the installation.C. CODE 1718 999 6500 S/N 0002 REV. 1. All materials not meeting this specification and its related documents shall be rejected. . The applicator shall have sole responsibility that thermal design and materials are satisfactory to meet design conditions. GUARANTEES The applicator shall guarantee the complete thermal operation design of the applied cold insulation system. 13. INSPECTION The applicator and manufacturer shall inspect all work closely for their own quality control program approved by COMPANY or the Contractor designated by COMPANY. MAT. located on either side of each spacer. transmitted nor in any way made public without permission of the owner. • Check at time of low-temperature commissioning At the time of low-temperature commissioning. 1. • If anomalies are found. This shall conform to the design conditions as shown in section 5. 6 The complete filling of the cavities injected with foam will be confirmed by inspection of the “ mushrooms “ that form at vent holes of horizontal piping. 1 323.3 219. TYPE RP N I O C Pars Oil and Gas Company Doc.1 273.1 : Polyisocyanurate ( PIR ) 50 kg/m3 per § 10.6 OPERATING TEMPERATURE (°C) : INSULATION THICKNESS ( mm ) T ≥ 20 30 30 30 30 30 30 30 30 30 30 30 30 19/0 30 30 30 30 30 30 30 30 30 30 30 30 -1/-20 30 30 30 30 30 30 40 40 40 40 40 40 -21/-40 30 30 40 40 40 50 50 50 50 50 50 50 -41/-60 40 50 50 50 50 60 60 60 70 70 70 70 -61/-80 50 50 50 60 60 60 70 70 80 80 80 80 -81/-100 60 60 60 70 70 70 80 80 90 90 90 90 This document is the sole property of N. .9 114.3 168. Class: 1 Page 27 of 30 DOCUMENT No. 6 ANNEX 1 INSULATION THICKNESS TABLE FOR COLD CONSERVATION AND ANTI.C.1. disclosed.1.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.3 26.4 48.CONDENSATION WITH PIR CODES : C & K Insulation material Dry air Temperature Relative Humidity Wind Velocity Emissivity : : Refer to § 9. transmitted nor in any way made public without permission of the owner.3 60. CODE 1718 999 6500 S/N 0002 REV. MAT.O.3 PIPE DIAMETER Nominal (NPS) 1/2" 3/4" 1" 1 1/2" 2" 3" 4" 6" 8" 10" 12' 14" Outside (mm) 21.I. all information contained herein may neither be reproduced.9 355.7 33.1 or 10. used.3 88. PROJECT UNIT NO. 6 457. PIPE DIAMETER Nominal (NPS) 16" 18" 20" 24" 30" 34" 36" 40" 42" Outside (mm) 406.6 762.0 1066.2 508.0 609.O. TYPE RP N I O C Pars Oil and Gas Company Doc. all information contained herein may neither be reproduced. disclosed. PROJECT UNIT NO.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC. Class: 1 Page 28 of 30 DOCUMENT No. transmitted nor in any way made public without permission of the owner.I.0 863. MAT. .4 1016. used.C. CODE 1718 999 6500 S/N 0002 REV. 6 Annexe 1 Table Continued.6 914.8 Flat Surfaces OPERATING TEMPERATURE (°C) : INSULATION THICKNESS ( mm ) T ≥ 20 30 30 30 30 30 30 30 30 30 30 19/0 30 30 30 30 30 30 30 30 30 30 -1/-20 40 40 40 40 40 40 40 40 40 40 -21/-40 50 50 50 60 60 60 60 60 60 60 -41/-60 70 70 70 70 70 70 80 80 80 80 -61/-80 80 80 80 80 90 90 90 90 90 90 -81/-100 90 90 100 100 100 100 100 100 110 110 This document is the sole property of N. C.4 48.3 26.3 168. .I.O. PROJECT UNIT NO.9 114. transmitted nor in any way made public without permission of the owner. MAT. CODE 1718 999 6500 S/N 0002 REV. all information contained herein may neither be reproduced.3 88.2 Dry air Temperature : Relative Humidity Wind Velocity Emissivity PIPE DIAMETER Nominal (NPS) 1/2" 3/4" 1" 1 1/2" 2" 3" 4" 6" 8" 10" 12' 14" Outside (mm) 21.1. TYPE RP N I O C Pars Oil and Gas Company Doc.1 : Over layer (s) : Cellular Glass per § 10.3 60.3 219. Class: 1 Page 29 of 30 DOCUMENT No.25mm per § 10.7 33. disclosed.1 273.1 323.1.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.6 OPERATING TEMPERATURE (°C) : INSULATION THICKNESS ( mm ) T ≥ 20 25 25 25 25 25 25 25 25 25 25 25 25 19/0 25 25 25 25 25 25 25 25 25 25 25 25 -1/-20 25 25 25 55 55 55 55 55 55 55 55 55 -21/-40 55 55 55 55 55 55 65 65 75 75 75 75 -41/-60 55 55 55 65 65 75 75 85 85 95 95 95 -61/-80 70 70 70 80 80 90 95 100 105 110 110 115 -81/-100 80 80 80 90 90 100 100 110 115 120 125 125 : : Refer to § 9.1 This document is the sole property of N. used.9 355. 6 ANNEX 2 INSULATION THICKNESS TABLE FOR COLD CONSERVATION AND ANTI-CONDENSATION WITH PIR AND CELLULAR GLASS CODES : C & K Insulation material : First layer : Polyisocyanurate (PIR) Thk. 0 863. PROJECT UNIT NO.8 OPERATING TEMPERATURE (°C) : INSULATION THICKNESS ( mm ) T ≥ 20 25 25 25 25 25 25 25 25 25 25 19/0 25 25 25 25 25 25 25 25 25 25 -1/-20 55 55 55 55 55 55 55 55 55 55 -21/-40 75 75 85 85 85 85 85 85 85 85 -41/-60 95 105 105 105 105 105 105 105 105 105 -61/-80 115 115 120 120 125 125 125 130 130 140 -81/-100 125 130 130 135 140 140 140 145 150 160 Flat Surfaces This document is the sole property of N.C. Class: 1 Page 30 of 30 DOCUMENT No. TYPE RP N I O C Pars Oil and Gas Company Doc. PIPE DIAMETER Nominal (NPS) 16" 18" 20" 24" 30" 34" 36" 40" 42" Outside (mm) 406.I.NATIONAL IRANIAN OIL COMPANY SOUTH PARS GAS FIELD DEVELOPMENT PHASES 17 & 18 DOCUMENT TITLE HEAT INSULATION OF EQUIPMENT AND PIPING IN COLD SERVICE DOC.0 1066. . CODE 1718 999 6500 S/N 0002 REV.6 914. 6 Annexe 2 Table Continued.O. MAT.6 457. used.2 508.6 762.4 1016.0 609. transmitted nor in any way made public without permission of the owner. disclosed. all information contained herein may neither be reproduced.