Syabas Guideline

DRAFT FINALSYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 3.4.2 Table of Contents FOREWORD ABBREVIATIONS 3.4.3 1.0 2.0 3.0 b. Pipe Laying Requirements c. Valves and Utilities Reservoirs and Tanks a. Storage Capacity b. Hydraulic Requirements c. Boundary Setback d. Materials and Measures e. Pipeworks Inside Reservoirs and Tanks f. Control Valves g. Pipe Strainers h. Miscellaneous Pumping Stations GENERAL a. General 1.1 Scope b. Pump Plinths 1.2 Definitions 1.3 Standards and Specifications 1.4 Interpretation of Guidelines 3.4.4 Geotechnical Considerations a. Reservoir, Tank and Pumping Station Buffer Zones for Slopes b. Slope Stability Analysis c. Drainage Provisions d. Slope Surface Protection e. Reservoir, Tank and Pumping Station Foundation PLANNING FOR WATER SUPPLY 3.6 Materials 2.1 General 3.7 Checklist 2.2 Development Proposals 2.2.1 General 2.2.2 Reservoirs and Tanks 2.2.3 Site Dimensions for Reservoirs and Tanks 4.0 INTERNAL PLUMBING SYSTEM 4.1 Plans 4.2 Technical Requirements 4.2.1 General EXTERNAL WATER SUPPLY SYSTEM 4.2.2 Pipes and Valves 3.1 Application for Source of Water Supply 4.2.3 Water Tanks within Consumer Premises 3.2 Concept Design Submissions a. Capacity 3.3 Detailed Design Submissions b. Pipeworks and Materials c. Safety and Security 3.4 3.3.1 Civil Works 3.3.2 Mechanical and Electrical Works 3.3.3 Geotechnical Works Design Guidelines 3.4.1 Water Pipes a. Hydraulic Requirements SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers 4.3 4.2.4 Pumping Systems 4.2.5 Hot Water Systems 4.2.6 Swimming Pools Water Conservation 4.3.1 General i DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 4.3.2 4.4 5.0 6.0 Water Conservation Measures 7.0 Checklist MECHANICAL SYSTEM 7.1 General 7.2 Detailed Design Submissions METERING 7.2.1 First Stage (Design Stage before Tender Award) 7.2.2 Second Stage (After Tender Award during Approval Stage of Equipment) 5.1 General 7.3 Planned Water Quantity and Number of Pump Units 5.2 Locations of Meters 7.4 Pumpsets 5.3 Sizes of Meters 7.4.1 Duties and Selection 5.4 Automatic Meter Reading System (AMR) 7.4.2 Horizontal Split Casing Pumps 5.5 Meter stands 7.4.3 End Suction Pumps 7.4.4 Pump Casing, Rotating Element, Driving Coupling, Gland Sealing and Other Pump 5.5.1 General 5.5.2 Markings for Meter stands Accessories 7.5 Pressure Gauges 7.6 Suction and Delivery Pipes ELECTRICAL SYSTEM 7.7 Pipeworks 6.1 Standards, Code of Practice, Rules and Regulations 7.8 Valves 6.2 Detailed Design Submissions 7.8.1 Sluice Valves 6.3 Power Supply Requirements 7.8.2 Butterfly Valves 6.4 HT Installations 7.8.3 Non-slam Type Check Valves and Surge Calculation 6.5 LV Installations 7.8.4 Altitude Valves 6.6 Essential Power Supply 6.7 Motor Starter Panels 6.8 Electric Motors 6.9 Internal Lighting and Power 6.10 External Lighting Installations 6.11 Lighting and Surge Protection Systems 6.12 Earthing Systems 6.13 Electrical Spare Parts 6.14 Electrical As-Built Fitted Drawings 6.15 Testing and Commissioning 6.16 Variable Speed Drive (VSD) Pumping System 6.17 Checklist SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers 8.0 7.9 Surge Suppression Systems 7.10 Mechanical Handling Equipment 7.11 Mechanical Spare Parts 7.12 Variable Speed Drive (VSD) Pumping System 7.13 Checklist SCADA/ TELEMETRY SYSTEM 8.1 General 8.2 Hardware Requirements 8.2.1 General 8.2.2 Outstations 8.2.3 Remote Terminal Units 8.2.4 GPRS/ GSM Modem 8.2.5 Video Cameras ii DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 8.3 Communication Systems 8.4 Operation Requirements on SCADA System FOREWORD 8.4.1 Introduction 8.4.2 Suction Reservoirs and Suction Tanks Syarikat Bekalan Air Selangor Sdn. Bhd. (SYABAS) is responsible for the water supply services in the 8.4.3 Pumping stations State of Selangor and the Federal Territories of Kuala Lumpur and Putrajaya. Qualified consulting 8.4.4 Reservoirs and Tanks engineers, planners and architects or other agents of the Developers are required to submit their design 8.4.5 Telemetry Systems for Gravity Fed Reservoirs and Tanks proposals for water supply works to SYABAS in order to ensure that the water supply systems meet the 8.5 Spare Parts planning, design, operation and maintenance requirements of SYABAS. 8.6 Checklist This document is a statement of general policies and design standards expected of new water supply works for external water supply system as well as internal plumbing system in the State of Selangor and 9.0 CAPITAL COST CONTRIBUTION (SKP) 9.1 Definitions 9.2 Charge Rates 9.3 Exemption from Capital Cost Contribution 9.4 Effective Date the Federal Territories of Kuala Lumpur and Putrajaya. The document has been adapted and revised from the document “GARIS PANDUAN PENGEMUKAAN – Sistem Bekalan Air Di Negeri Selangor, Wilayah Persekutuan Kuala Lumpur dan Putrajaya”, which was previously published by Perbadanan Urus Air Selangor Berhad (PUAS). The standards and parameters set out in this document may be subject to revision. Nothing herein shall be construed as relieving the responsibilities of any person or entity responsible for the design, execution 10.0 SERVICE CHARGES and completion of the works. The consulting engineers, planners and architects shall be expected to 10.1 Charges for Connection to Public Mains exercise professional judgement and sound engineering practices in developing the design proposals. 10.2 Charges for Disconnection and Reconnection 10.3 Charges for Meter Tests 10.4 Charges for Swimming Bath Tests 10.5 Charges for Licenses to Carry Out Work 10.6 Charges for Pressure Test on Mains 10.7 Agency Fees 10.8 Charges for New Installation without Tapping or Tee-Connection 10.9 Supervision Charges for Connection APPENDICES A Standard Forms B Standard Drawings C Design Checklists SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers iii DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM ABBREVIATIONS NAMES ANSI ASME BOMBA BSI DCA DOE DOSH EN IEC IEEE IES ISO JKAS JKR MASMA MWA PUAS SIRIM ST SYABAS TM TNB - American National Standards Institute American Society of Mechanical Engineers Jabatan Bomba dan Penyelamat (Fire and Rescue Department) British Standards Institution Department of Civil Aviation Department of Environment Department of Occupancy Safety and Health of Malaysia European Committee of Standardization International Electrotechnical Commission Institute of Electrical and Electronics Engineers Illuminating Engineering Society International Organization for Standardization Jabatan Kawalselia Air Selangor Jabatan Kerja Raya Manual Saliran Mesra Alam Malaysia Malaysian Water Association Perbadanan Urus Air Selangor Berhad Standards and Industrial Research Institution of Malaysia Energy Commission (Suruhanjaya Tenaga) Syarikat Bekalan Air Selangor Sdn. Bhd. Telekom Malaysia Berhad Tenaga Nasional Berhad Acrylonitrile Butadiene Styrene Air Circuit Breaker Automatic Meter Reading Average Recurrence Interval Automation Computer Aided Design British Standard Bottom Water Level CD CEMEP-EU - CT DB Dia. DMZ - TERMS ABS ACB AMR ARI AutoCAD BS BWL Compact Disc European Committee of Manufacturers of Electrical Machines and Power Electronics and European Commission Current Transformer Distribution Board Diameter District Meter Zone SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers DOL Elev. ELR etc FRP FS fsd G.I. GPRS GRP GSM HDPE HGL HL HSL HT HWC ID IDMT IP LED LPU LV M&E MCB MCCB MMI MS NPSH NRW O&M ODL p.a PC PE PID PKNS PLC PN (16) POB PP-R PT PTFE PVC - Direct On-line Elevation Earth Leakage Relay et cetera Fibre Reinforced Polyester Factor of Safety Full-scale Deflection Galvanised Iron General Packet Radio Service Glass Reinforced Plastic Global System for Mobile Communications High Density Polyethylene Hydraulic Grade Line Head Loss Highest Supply Level High Tension Hazen-William Coefficient Internal Diameter Inverse Definite Minimum Time Ingress Protection Light Emitting Diode Lightning Protection Unit Low Voltage Mechanical and Electrical Miniature Circuit breaker Moulded Case Circuit Breaker Man-Machine Interface Malaysian Standards Net Positive Suction Head Non Revenue Water Operation and Maintenance Ordnance Datum Level Per annum Personal Computer Polyethylene Proportional, Integral, Derivative Perbadanan Kemajuan Negeri Selangor Programmable Logic Controller Pressure Number of 16 bars Polyolefine Blend Polypropylene Random Copolymer Power Transformer Polyetrafluoroethylene Polyvinyl Chloride iv DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM RBE RC RCD RL RTU SCADA Sdn. Bhd. SKP SMS SPT SWA SWG TEFC TWL uPVC v:h VSD WC WTP XLPE - Report-by-exception Reinforced Concrete Residual Current Device Reduced level Remote Terminal Unit Supervisory Control and Data Acquisition Sendirian Berhad Sumbangan Kos Pembangunan (Capital Cost Contribution Short Message Service Standard Penetration Test Steel Wire Armoured Standard Wire Gauge Totally Enclosed, Fan Cooled Top Water Level Unplasticised Polyvinyl Chloride Vertical Height : Horizontal Length Variable Speed Drive Water Closet Water Treatment Plant Crosslinked Polyethylene UNITS % A d deg. C deg. F ft2 ha hr kA kg km kW l/d l/s lcd m m/s m3 m3/hr m3/month - Percent Ampere Day degree Celsius degree Fahrenheit Square Foot Hectare Hour Kilo Ampere Kilogram Kilometre Kilowatt Litre per day Litre per second Litre per capita per day Metre Metre per second Cubic Metre Cubic Metre per hour Cubic Metre per month SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers mg/l Ml Mld, Ml/d mm mm2 Mohm No. rpm V Var W Yr - Milligram per litre Million Litres Million Litres per day Millimetre Square Millimetre Mega Ohm Number Revolution per minute Volt Volt-ampere reactive Watt Year v contractors and licensed plumbers. of Selangor and the Federal Territories of Kuala Lumpur and Putrajaya. architects. Consumer A person who is supplied with water from the pubic main or a person who is 1. standards as approved by SYABAS. or such other b. Bulk Meter j. water closets.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 1. cocks. by the British of the owner or occupier. more sub-meters. the following definitions shall apply:a. h. tanks. Meter stand The position where a meter is installed. Premises k. Approved Standard Standard or specification or code of practice issued by Standards and Industrial i. developers. For the purpose of these guidelines unless the context otherwise requires.2 DEFINITIONS g. SEPAKAT SETIA PERUNDING (SDN) BHD. cisterns. Meter The guidelines are prepared to provide guidance to engineers. 1-1 . These guidelines deal with the planning and design for water supply systems in the State e. supplied or used. Licensed Plumber f. Water fittings Pipes (other than the public mains). telemetering system and other apparatus or appliance used in connection for the supply or use of water. It does not cover all aspects of water supplies for fire fighting.1 SCOPE otherwise liable for the payment of charges for the supply of water and includes an occupier. meters. and should be of interest also to water consumers. public main. Any building. land and any tent or structure. Plumbing system All pipes. water supply systems as well as internal plumbing systems for individual premises. Malaysia and whose registration is still valid when making any submission. It covers external A plumber who is registered with JKAS to implement water plumbing works.0 GENERAL d. ferrules. regulating or estimating the amount of water consumed. water heaters. taps. Research Institution of Malaysia (SIRIM) or if such is non-existent. (14142-M) Consulting Engineers Sub-meter Any meter which measures water which has already metered since leaving the A meter measuring water all or part of which is subsequently measured by one or c. Consulting Engineer A professional engineer who is registered with the Board of Engineers. baths. valves and fittings from the public main to and within the premises Standards Institution (BSI) as amended or revised from time to time. 1. Any appliance. equipment or device used for the purpose of measuring. valves. ascertaining. The consulting engineer would be expected to justify such departures in terms of cost and improved engineering performance. The term “should” is used in reference to suggested design parameters or requirements and the consulting engineer is expected to exercise sound professional judgment in deciding whether to depart from the suggested parameters. In case there is any discrepancy between the approved standard and specification of SYABAS the latter should take precedence. the term “shall” is used in reference to standardized design parameters or requirements where departures from which are not normally permitted. SEPAKAT SETIA PERUNDING (SDN) BHD. (14142-M) Consulting Engineers 1-2 .DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 1. 1.4 INTERPRETATION OF GUIDELINES Every design proposal shall meet the underlying objectives of these guidelines of:• Reliability • Ease of Maintenance • Quality of Work • Energy Efficient In this guidelines.3 STANDARDS AND SPECIFICATIONS All materials and water fittings used in the construction of any of the works described in these guidelines shall comply with the requirements specified in the latest edition of any applicable approved standard and the specification issued by SYABAS. pumping station. Proposals shall be prepared and submitted by the consulting engineers/ town The developer shall be responsible to carry out any landscaping works and architectural design if required by the local authorities.1. SEPAKAT SETIA PERUNDING (SDN) BHD. Level grounds and not on slopes. Levels shall be based on Ordnance Datum Level (ODL). The pumping system if required. Types and numbers of development units and the total development area shall be shown clearly. Key plan and location plan shall be shown on the layout plan. The pumping head shall not exceed 75 m for each DEVELOPMENT PROPOSALS pumping stage.3 Site Dimensions for Reservoirs and Tanks c. one or more suction reservoir/ tank and pumping station sites shall be provided whether inside or outside the proposed development area at the 2. The water reservoir and tank sites shall be placed at:i. Contour lines shall be shown clearly on the plan at 5 m intervals. considered:- iii.2. energy/ water pressure. Development proposals shall comply with the following requirements:a. station. Fencing shall cover all slopes with sufficient setback for drainage.2 expense of the developer.2. The location of the available supply. All slopes shall be constructed within the reservoir/ tank and pumping station reserves for ease of maintenance.2 and Table 2. the minimum site dimensions for suction reservoir/ tank and e. All land on which waterworks are built shall be surrendered to SYABAS.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 2. e. slopes etc.3 respectively. The planning and design of water supply systems shall seek to optimize available e. Coordinates and bearings of boundary shall be stated. 2. The requirement of SYABAS. The land shall include access road. (14142-M) Consulting Engineers 2-1 . SYABAS will only provide b. service reservoir/ tank and the combination of the aforementioned are f. The water storage capacity if required. Dedicated access (entrance/ exit) shall be provided to reservoir/ tank and pumping infrastructure. General The difference between the highest and lowest Finished Platform Level within the development area shall not exceed 30 m. main water supply for construction purposes. c. g. the concept of low level and high level service reservoirs/ tanks shall be considered.1 f. Table 2. b. h.2 Reservoirs and Tanks a. d. c. Rectangular site area. who will then hand over to the State Government. g. shown in Table 2. 2. d.2.0 PLANNING FOR WATER SUPPLY 2. The highest ground area in the proposed development. f. No temporary water supply will be granted by SYABAS. b. the following factors shall be ii. Should the water pressure from the connection point to the highest development area be insufficient. planners. The quantity and pressure of the available supply. For any development.1 GENERAL 2. d. a. In the planning for the water supply for any development. The estimated daily demand and the maximum flow rate. If it exceeds 30 m. 270.270.000 30 m x 30 m 680.000 75 m x 75 m 55 m x 125 m > 13.000 Site Dimensions (Minimum) Ground Reservoir/ Tank Elevated Reservoir/ Tank ≤ 45.000 To be approved by SYABAS but subject to a minimum of 90 m x 90 m To be approved by SYABAS but subject to a minimum of 80 m x 130 m 75 m x 80 m To be approved by SYABAS but subject to a minimum of 90 m x 95 m Dimensions in the above table are excluding the areas of office.405.001 – 6.001 – 2.3.000 Note: Reservoir/ Tank Capacity 25 m x 30 m 680.001 – 1.a for details.001 – 6.000 > 13.a for details.620. (14142-M) Consulting Engineers 2-2 . Please refer Clause 3. storeroom.000 30 m x 30 m 900.001 – 454.405.001 – 454.000 45 m x 45 m 60 m x 65 m 6.001 – 2.000 35 m x 40 m 1.135.000 60 m x 60 m 50 m x 95 m 6.000 20 m x 25 m 227.001 – 680.405.270.000 35 m x 35 m 1.4.001 – 227.810. toilet and quarter.000 30 m x 45 m 2.135.001 – 13.2 : Minimum site dimensions for service reservoir/ tank 3.000 40 m x 40 m 2. SEPAKAT SETIA PERUNDING (SDN) BHD.001 – 3.001 – 3.810.000 25 m x 25 m 454.135.810.001 – 1.000 45 m x 55 m 3.3. toilet and quarter.000 20 m x 25 m 45. storeroom.620.000 25 m x 30 m 454.000 20 m x 20 m 227.4.270.001 – 13.000 20 m x 20 m 45.001 – 227.405.001 – 900.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 2.135.810.620.000 Table 2. Please refer Clause 3.001 – 680.620.1 : Minimum site dimensions for suction reservoir/ tank and pumping station Water Demand (l/d) Site Dimensions (Minimum) ≤ 45.001 – 900. Note: Dimensions in the above table are excluding the areas of office.000 30 m x 35 m 900. 620. (14142-M) Consulting Engineers 2-3 . toilet and quarter.001 – 1.000 30 m x 65 m 454.3 : Minimum site dimensions for the combination of suction reservoir/ tank.810.620.405.000 50 m x 115 m 6.135. storeroom.001 – 2.001 – 13.a for details.001 – 900. pumping station and service reservoir/ tank Note: Water Demand (l/d) Site Dimensions (Minimum) ≤ 45.000 25 m x 60 m 227.000 55 m x 145 m > 13.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 2. SEPAKAT SETIA PERUNDING (SDN) BHD.270.000 45 m x 100 m 3.001 – 680.001 – 227.000 40 m x 90 m 2.001 – 3.000 35 m x 70 m 900.001 – 454.000 25 m x 50 m 45.000 35 m x 70 m 680.000 35 m x 75 m 1.405. Please refer Clause 3.810.000 To be approved by SYABAS but subject to a minimum of 55 m x 260 m Dimensions in the above table are excluding the areas of office.3.001 – 6.135.4.270. iii. Standard drawings.0 v. house numbers and landmarks. iii. The submission shall be accompanied with one (1) no. For development with water demands exceeding 4. Supply zones for the development phases from service reservoirs/ tanks. in AutoCAD format and the calculation data. adjacent lot b. Symbols used shall be those as shown in the SYABAS’ Standard Drawings the respective SYABAS District Office. vii. SEPAKAT SETIA PERUNDING (SDN) BHD. including the years for each development phases.5 million litres per day and to be developed in phases or where pumping station is required. Calculation of water demand according to SYABAS requirements as shown in Table 3.1 pumping main. Two (2) sets of Concept Design Report shall consist of the following:i. vi. consulting engineer’s registration letter with the BEM.000 litres per day shall be made directly to ii. and the c. Reticulation system layout plan. CD containing the soft copy of all All plans/ drawings submitted shall be of A1 size. Hydraulic calculation data for reticulation system.3 DETAILED DESIGN SUBMISSIONS a. iii. b. lot numbers.000 litres per day shall be made directly to the Development Department. Three (3) sets of Layout Plan complete with contour lines and proposed land d. vi. A copy of SYABAS Standard Specifications shall be included. Application with water demand of less than 50. CONCEPT DESIGN SUBMISSIONS a. iv. Three (3) sets of Key Plan and Location Plan. SYABAS Headquarters. 3. b. v. calculations and works specifications shall be endorsed by a consulting engineer appointed by the owner or developer.2 attached.1. e. size and level of storage reservoir/ tank and residual pressure in the APPLICATION FOR SOURCE OF WATER SUPPLY pipes for the particular supply zone. Flow and pressure readings for nodes and pipes shall be indicated. All plans/ drawings submitted shall be of A1 size. size and level of suction reservoir/ tank. There shall cover the following:- Application with water demand of more than 50. iv. Approval letter and plans from the local authority. c. Plan and profile of incoming main pipe. a. with the following:i. General brief and schematic plan of the overall water supply system showing nodal Appointment letter to the consulting engineer from the owner or developer. Details of reservoir/ tank and pumping station. nos. development levels (in metre ODL). Three (3) sets of Site Plan. Water demand table according to the type of development for the entire project. 3. ii.. drawings relating to the water supply system. 3. with a minimum scale of 1:500 showing the vi. Two (2) sets of Detailed Design Report shall be submitted by the consulting engineer. c. vii. ii. Three (3) set of drawings of A1 size shall be submitted for approval. (14142-M) Consulting Engineers 3-4 . iv.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 3. incoming main. The detailed design shall be in accordance with the requirements of the development phases. The owner or developer shall apply to SYABAS through their consulting engineer together and pipe data. v. Drawings. EXTERNAL WATER SUPPLY SYSTEM Hydraulic calculations for main pipes for peak flow condition from supply source to storage reservoir/ tank. existing and proposed layout of reticulation mains. Reservoir/ tank and pumping station layout plan. the Concept Design Report for the entire development shall be submitted to SYABAS. General description about the project. i. Water demand computation table according to phase and type of development f. d. c. j. iii. chequered plate and all necessary information for the complete design. h.ODL) Residual Pressure (m) Detailed calculations showing that the pipes are able to withstand the expected design traffic load with a minimum of 1. calculations for levels and Node No. i.2 respectively. = Head Loss design considerations shall be as required in Chapters 6. 3-5 . a. ventilation system and ladders for reservoirs/ tank the approval date of the detailed design of the civil works. ii.1 Civil Works Pipe Details Each design proposal shall consist of the following:- Pipe No. fire flow and average flow. side and sectional views of pumping station showing the pump locations. Geotechnical Design Report which shall include the following:i.0 and 7. motor. Brief description for that particular phase.2 and 6. The mechanical and electrical system and security fencing.3 Geotechnical Works Each design proposal shall consist of the following:a. Geotechnical Interpretation Report c.3.3. overflow and scour per Clause 7. Subsoil conditions of the project site.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 3. outgoing water pipe. k. type. size and BWL/ TWL for reservoir/ tank. (mm) HWC HL (m) HL/1000 Velocity (m/s) Node Details design for the cases of peak flow. i. The design and calculation Floor plan.3. level indicator. foundation arrangements with base plate dimensions and the positions of all foundation bolts and pipe connection. report shall be prepared and endorsed by consulting engineer.ODL) HGL (m. including drainage. Detailed drawing showing the supports.0 m depth of cover. well compacted with suitable backfill materials. pipe trenches. that are coloured Where:HWC = Hazen William Coefficient HL HGL = Hydraulic Grade Line according to:- g. switchboard surge suppression system and details of levels. Types and sizes of pipes.2 Detailed layout plan of reservoir/ tank showing location. Storm drainage system design calculation. details of levels. top and sectional Mechanical and Electrical Works The submission of detailed design and installation for mechanical and electrical works shall be as views. ii. b. size of reservoir/ tank and pumping system calculations. side views. valves locations. pumps. pipe fittings. Calculation and sizing of scour pipe for the reservoir/ tank. Design soil parameters. e. From Node Flow (l/s) Elev (m. Location. f. Detailed layout plan showing the main reticulation pipe system. pumping mains.0. HSL = Highest Supply Level 3. Soil Investigation Report b. It shall be submitted to SYABAS within four (4) weeks from pipes.ODL) HSL (m. Structural design including the design calculations and design criteria for pumping station and reservoir/ tank endorsed by a consulting civil engineer. incoming water pipe. The hydraulic calculations for reticulation system shall include the following information:- SEPAKAT SETIA PERUNDING (SDN) BHD. Water demand table showing the types of development. (14142-M) Consulting Engineers 3. Pumping station. calculations of reticulation pipe To Node Length (m) Dia. Approval from SYABAS shall be arrangement of pumping system including suction pipe from suction reservoir/ tank to obtained before any work may commence at site. Reticulation pipe size shall be subject to the hydraulic design for peak flow requirements and for pipe system with hydrant. This is applicable SEPAKAT SETIA PERUNDING (SDN) BHD. Under all circumstances. a 3.1 Water Pipes a. The reticulation system shall be designed as per the following flow b. vii. ii.b.4. Pressure Reducing Valve shall be ii. iv. Fire flow requirement. according to the standard pipe bedding details in the attached SYABAS The following residual pressures shall be achieved:- Standard Drawings. to development where the source of water is drawn from the developer’s d. iii. Detailed drawings for earthwork which shall show the cross sections of critical slopes and cut/ fill sections within the reservoir/ tank or pumping • Each node shall have a maximum residual pressure not exceeding 30 m for station reserve and including areas 100 m beyond the site boundary. iii. including calculations for long term settlement and short term settlement. the storage reservoir/ tank with the hydraulic calculations based on the BWL. Selection of foundation type. The main pipe shall be subject to the hydraulic and fire fighting requirements.5 respectively. This is applicable Detailed drawings for foundation of reservoir/ tank and pumping station. the pipe size shall be determined by the hydraulic requirements and minimum pressure required for fire fighting and average flow condition. When slopes are encountered adjacent to the reservoir/ tank or pumping station. • Each node shall have a minimum residual pressure not less than 4. ii. (14142-M) Consulting Engineers vi.5 m above the highest supply level during peak flow condition.3 and 3. e.2 and 2.5 m above the highest supply level during peak flow condition. Pipe dead ends shall be installed with isolating valve or hydrant. to development where the source of water is drawn directly from SYABAS iv. for combined average flow and fire flow condition. v. For pipes with hydrant. Peak factor of average flow for incoming flow to reservoir and reticulation system backfill materials and able to withstand the expected design traffic load shall be 1.2.4 DESIGN GUIDELINES minimum pipe size of 100 mm diameter shall be applied except the last 91 m before pipe end. • Each node shall have a minimum residual pressure not less than 7. provided where the residual pressure exceeds 30 m. well compacted with suitable iv. iv. Hydrant shall be installed at least 91 m before any pipe end. Each node shall have a minimum residual pressure not less than 7. • above the platform level. Design calculations for foundation of reservoir/ tank and pumping station main. Pipe Laying Requirements i. Hazen-William Coefficient C shall be as per Table 3. the two flow conditions analysed. iii. water pipes shall be laid above sewers with a minimum vertical clearance of 1 m. Head loss gradient shall be less than 2/1000 during peak flow condition.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM iii.4. The pipes shall be buried in sufficient depth.4.4. v.5 m Geotechnical design considerations as required in Clause 3.4. Twin pipes shall be installed on both sides of road shoulder should there be more than ten (10) units of houses/ shops in a row for that particular road. if relevant. Selection of slope stabilization method. design calculations of all slope stabilization measures. Slope stability analysis except for slopes that fall under Clause 3. v. 3. Selection of slope surface protection and erosion control. conditions:• Peak flow • Combination of average and fire flow • Summary of both flow conditions above All pipes shall be laid at locations which are easy for maintenance works and the cost of repair and rehabilitation works shall be considered.vii. location and type of hydrants shall be recommended by BOMBA.4. followings shall be included in the Geotechnical Design Report:i. The types of pipes used shall comply with Table 3. Hydraulic Requirements i. and detailed drawings and vi. 3-6 . 800 mm dia. iii. the concept of high. apartment and office to limit the flow rate at 20 hours per day The size of isolating valve shall be at least the size of the pipeline. For hilly development.1000 mm dia.80 mm double orifice type with flange ended isolating valve i.2 Reservoirs and Tanks a.6 within each hydraulic zone. Water usage for a NRW zone shall be limited to 1. tank of condominium.4.100 mm double orifice type area with apartment/ condominium. and above - 450mm flange ended b. Hydrant pipeline shall be installed separately from the domestic pipeline in any • For pipe size 600 mm . - 200mm flange ended reservoir/ tank shall be 1:2. Sampling box with pressure gauge shall be provided as per Table 3. . Storage Capacity Scour valve sizes shall be as follows:- Hydraulic Requirements Air valve sizes shall be as follows:• For pipe size 150 mm . 450 mm and above.6 m/s shall be achieved. medium and low hydraulic zone shall be adopted where viable. ix.50 mm double orifice type • For pipe size 350 mm . . Design of reticulation system supplied from reservoir/ tank shall be based on the reservoir’s BWL and the minimum residual pressure shall be 4. vii. District Meter Zone (DMZ) chamber shall be provided as per Table 3. The storage capacity requirements for reservoirs/ tanks shall be as per Table 3. • For pipe size 1050 mm .5 m above HSL. - 250mm flange ended considered.300 mm dia. valve Valves and Utilities i.400 mm dia. Full bore scour point shall be provided not greater than 5 km apart at low points near river/ big drain. All isolating/ regulating and scour valves shall be of flange ended sluice type for pipe diameter up to 400 mm and of flange ended butterfly type for pipe diameter viii. However. ii. SEPAKAT SETIA PERUNDING (SDN) BHD.150 mm double orifice type with flange ended isolating valve • For pipe size 1300 mm dia. every 2000 m interval of incoming main. . office. Water meter shall • For pipe size 850 mm .DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM vii.550 mm dia.7 • For pipe size 450 mm . a proportion between 1:1 and 1:2 may be • For pipe size 800 mm . the isolating valve can be one size The developer shall submit the characteristic curve/ chart of the constant smaller than the pipe size. - 100mm flange ended i. However whenever the residual head at the inlet of the reservoir/ tank exceed 15 m.1200 mm dia. with double flanged isolating institution and school. v. complex.750 mm dia. Scour locations and sizes shall be designed such that the pipelines can be scoured within three (3) hours. x. ii. Constant flow valve shall be installed on the incoming pipe to the suction reservoir/ flow valve to SYABAS for approval. The preferable volumetric ratio of suction reservoir/ tank : elevated storage • For pipe size 600 mm .000 litres per day. The in-line valves shall be installed at a maximum of xi.1200mm dia. A self cleansing velocity of greater than 0.550 mm dia.000. (14142-M) Consulting Engineers The following residual pressure requirements shall be satisfied:- 3-7 . where the water demand does not exceed 2. - 150mm flange ended ii.200 mm double orifice type with flange ended isolating c. iv. . 3. • For pipe size 150 mm . - 300mm flange ended • For pipe size 1300 mm dia. factory. All valves shall comply with prevailing SYABAS requirements. commercial complex. be provided for both of the hydrant and domestic pipelines.5.0 million litres valve per day except for low-cost flats built by the Government. iii. vi. for pipe diameter of 900 mm and above. and above . v. Materials and Measures Control Valves i. Setback from the edge of structural foundation shall be flat all-round with at least 6. The effective water depth for RC reservoir/ tank shall be not more than 5 m For incoming main of size above 300 mm. Minimum distance between two (2) structures shall be 3. 7. iii. vii. iv. Butterfly valves shall be used for isolation and by- Reinforced concrete elevated storage reservoir/ tank shall not exceed the capacity of 4. subject to the approval by SYABAS. iii. ii. diameter. d. SEPAKAT SETIA PERUNDING (SDN) BHD. v. year 2010. iv. Inspection reinforced concrete.5 million litres. c. iv. An additional inspection manhole with a suitable size for Storage reservoir/ tank with a capacity of more than 454. Maximum residual pressures above HSL at any case shall not exceed iii. where the connection source of incoming main has no connection to i.000 The control valves shall be fitted with sluice valves/ butterfly valves for isolation and maintenance purposes. All valve chambers shall be well drained or with dewatering system installed. manhole shall be fitted with safety railing and covered with stainless steel The usage of storage reservoir/ tank with a capacity of less than 454. steel bolt and nut bolted into the wall of the reservoir.000 litres shall be of maintenance purposes shall be constructed directly on it. • suitable anti-corrosion paint system or other materials as approved by SYABAS. Reinforced concrete reservoir is preferred and suction reservoir/ tank shall be reinforced concrete. (14142-M) Consulting Engineers 3-8 .5 m. f. a one way flow full bore altitude valve complete with T-pot strainer and by-pass installed in one common reinforced concrete. the inlet pipe shall be of top-inlet (bellmouth). All by-pass pipes shall be of the same size of the incoming pipe.000 litres built with other materials as approved by SYABAS are allowed until chequered plate. 15 m for gravity fed reservoirs/ tanks and 5 m for pumping fed Overflow pipes shall be at least one size larger than the inlet pipe diameter and not smaller than the outlet pipe diameter. may be used. for capacity of less than 4. After year 2010. Boundary Setback For gravity flow. more than 5 m. The water depth for non RC reservoir/ tank shall not be vi.000 litres and 7 m for capacity of 4. m for ground reservoir/ tank and pumping station structures and 9. any other reticulation main. v.0 m for elevated reservoir/ tank structure. storage reservoir/ tank of other material while the incoming pumping main shall be electrodes controlled. Minimum residual pressure at reservoir/ tank’s TWL shall not be less than ii. litres and above.540. Inlet control valve shall be of ball float valve type for mains size up to 300 mm The altitude valve shall be of diaphragm or piston type for sizes of less than 450 mm diameter and of piston type for sizes of 450 mm diameter and above. All incoming mains to the suction reservoir/ tank and gravity flow to the service reservoir/ tank shall be controlled by a mechanical control valve i. The scour pipe shall be designed to empty the full capacity of reservoir within six (6) hours. the inlet pipe at the reservoir/ tank shall be of side or bottom inlet while for pumping supply.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM • Minimum residual pressure at reservoir/ tank’s TWL shall not be less than e.540. ductile iron painted with All vertical pipes shall be anchored and supported with stainless steel brackets. all the storage reservoir/ tank shall be of chamber shall be used. reservoirs/ tanks.0 The outlet pipe shall be of side or bottom outlet. • All pipes in reservoir/ tank shall be of stainless steel. Capacity of elevated storage reservoir/ tank of other materials pass purposes. Pipeworks Inside Reservoirs and Tanks 4. shall be subject to the approval of SYABAS.5 m where the incoming main has direct connection to reticulation pipe.0 m. ii. However. Trenches vi. xiii. Platform levels of pumping stations and suction reservoirs/ tanks shall be designed above 100 years ARI flood level. All windows shall be of steel-casement type. ix. iii.1 million litres. v. Minimum clear distance between two (2) pump sets shall not be less than 1. If roof truss is to be used. The size of the valve chamber shall be constructed to suit the fittings of the sluice valve and pipe strainer.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM g. Security grilles shall be provided on the inside of the pumping station window. Two (2) nos. xiv. room. be marked with boundary stones at 6 m interval. All incoming mains to the suction reservoirs/ tanks and gravity flow to the 3. ii. Floor area of each quarter shall (SS304). All pipes shall be laid in trenches and well anchored. not be less than 600 mm diameter and 900 mm diameter respectively. Minimum clear distance between the main switchboard to the wall shall be premixed as per Table 3. All pumping stations shall be equipped with toilet and sewerage system. A pipe strainer shall be fitted after the sluice valve and installed together in a i. discharge pipes and fittings shall conform to Table 3. stainless steel cable (tangle-free design) shall be allowed. Only x. ii. The size of viii. Miscellaneous i. The minimum width of trenches shall be the size of pipe laid plus 300 mm per SYABAS Standard Drawings attached. All reservoirs/ tanks shall be fitted with ‘Dial’ type level indicators. and the reserve’s boundary shall xii. Pumping station with pumping capacity exceeding 10 Mld shall be equipped with Stairs inside the reservoir/ tank shall be of reinforced concrete or stainless steel two (2) unit quarters with three (3) bedrooms. v. bottom water level and capacity of the reservoir/ tank shall be printed on the reservoir/ tank’s wall. Pumping station with pumping capacity exceeding 50 m3/hr shall have office/ store External stairs of reservoir/ tank shall be of reinforced concrete and shall be fenced.3. Pipe Strainers i. level indicator for ground reservoir/ tank and elevated reservoir/ tank shall ix. iii.8. Site drains and overflow drains shall be designed as per Table 3. not be less than 65 m2. Roof tiles can only be used for pumping station where the The strainer shall be of 10 ~ 15 mesh stainless steel screen (net). ii. Top water level. iii.3 Pumping Stations a.5 m height. All stairs shall be fixed with safety railing. iv. xv.4. Pumping station shall be of reinforced concrete and bricks with reinforced concrete roof or roof tiles. shall be 1.9. Reservoirs/ tanks shall be painted as per SYABAS Specifications. All stairs shall have brickwall enclosure complete with mild steel doors. common valve chamber. All suction. first aid kits and safety procedures.5 m. xi. Ceramic wall tiling shall be provided up to 1. The pumping station shall be painted and marked as per SYABAS Specifications. h. iv. All exposed pipes and fittings shall be painted as per SYABAS requirements. SEPAKAT SETIA PERUNDING (SDN) BHD. All pumping stations shall be provided with fire extinguishers. (14142-M) Consulting Engineers 3-9 . General service reservoirs/ tanks shall be fitted with pipe strainers.0 m. viii. Security fence for reservoir/ tank and pumping station area shall be built as isolator point and earth leakage relay or RCD. pumping capacity does not exceed 100 m3/hr. Perspex glass covers shall be provided on the roof of reservoir/ tank. the truss shall be of steel type. xvi. built below the drain level shall be provided with pump sump complete with vii. or more ladders shall be provided for reservoir/ tank with a vi. covered with hot dipped galvanised grating or chequered plate. Heavy duty floor tiling shall be provided. Main switchboard shall be compartmentalized and located away from water All level ground within the reservoir/ tank and pumping station compound pipes. capacity of more than 9. vii. All trenches shall be well drained and mm. x. All valve chambers shall protrude above the ground level not more than 300 space on each side of the pipe. The distance between the crest of a slope and any water pipes.0 from transmitting to the building.15. • 7. ii. 1. • Except provided under Clause 3. The minimum berm width is 1. iv. The design of the foundation shall comply with the following criteria:• The pumpset foundation shall be sufficiently strong for its load. iv. For natural slopes or existing manmade slopes more than 10 years old. Apart from depth.0 kW . ii. conditions and potential external loadings shall be considered.vii below. and the foundation.75. all slopes whether on cut or fill section shall be analysed for slope stability.2.5.1 for normal groundwater conditions. Geological mapping and interpretation shall be carried out to analyse the stability of rock slopes. The reservoir/ tank and pumping station buffer zones for slopes are shown in Figure 3.0 . the berm interval may be increased to 9 m.600 mm to 750 mm • 75. 10-year return period rainfall and the worst the weight of foundation can be reduce to half of the standard weight.0 kW . for pumps with powers above 75. in reasonably good firm retaining structures.0 kW . A good practice is to fix the pumpsets on concrete block.0 . Slope stabilization measures shall be required when the FS is not adequate in order to achieve the FS required above.5 . The following standard depths for pumps with various powers shall be iii. • It shall be sufficiently strong and heavy for suppressing any vibrations.4.8 m. For new and existing rock slopes. In practice. etc shall not be less 5 m. respectively. groundwater pumpset. the size of foundation plinth shall have a minimum border of 100 The required factors of safety (FS) for slope stability are 1.0 kW.0 kW . 3.200 mm to 250 mm • 15. water v.40. The modes of potential failures such as wedge. SEPAKAT SETIA PERUNDING (SDN) BHD.450 mm to 600 mm • 55.4. vi. iii. Pump Plinths i. followed:- iii. For rock cut in sound and strong rock such as grade I or II granite (BS 5930:1999 .55. is used between the common base plate for pump and the prime mover. • When anti-vibration material such as rubber. pipe bellow or anti-vibration material shall be employed to prevent the vibration groundwater conditions respectively.2 and 1.b. retention ponds.10. The setbacks or the distance from the toe or the crest of respective adjacent slopes to the edge of reservoir/ tank and pumping station structures shall not be less than 9 m. Slope Stability Analysis i. Where any pipe of the pumping system passes through a building wall. i. spring etc.100.0 .4.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM b.Code of Practice for Site Investigations).0 kW .1 and 1. In the analysis. the minimum values of the aforesaid FS may be reduced to 1. mm to 150 mm all round while the top of the plinth shall be 100 mm to 150 mm above the floor. vii.1. 1. ii. the weight of an independent foundation shall be at least three times more than the machine kerb weight of the b.250 mm to 450 mm • 40.4 Pumpset shall be rigidly fixed in position on its foundation and shall be free from Geotechnical Considerations a. Reservoir. ground. Tank and Pumping Station Buffer Zones for Slopes vibrations. The concrete mix for the plinths shall be Grade 25. (14142-M) Consulting Engineers 3-10 . foundation plinths shall be specially designed based on the following standards:• For electric motor driven pumps.750 mm to 1000 mm Berms shall be formed on slopes at every 5 m vertical interval. iv. toppling and/ or plane failures shall be identified and suitable rock supports shall be provided as suggested in Table 3. the above respective FS in clause ii and iii shall be applied.0 . turf shall not be placed (no. free approved by SYABAS shall be used.8 shall be provided.3. gentler than 1:2 (v:h) with 1. c.4. techniques and quality control shall be carried out for vegetation on the The fill is formed of well compacted suitable material having SPT N slopes. The types of reticulation pipes are as shown in Table 3. of blows) > 8. suitable slope surface protection Rock cut slope that does not exceed 10 m high and slope gradient is method such as special treatment using geomat or guniting or other methods gentler than 4:1 (v:h) in sound rocks such as Grade I or II granite. SYABAS reserves the right to inspect the materials to be used before installation. (14142-M) Consulting Engineers 3-11 . The types of incoming mains (without tapping) are as shown in Table 3. a. from loose or unstable blocks or fragments. have extensive and strong root system which is effective for erosion control and perennial (long lasting) such as cow grass. which cannot support plant growth.5 MATERIALS crest of the slope respectively. The drains shall be cast-in-situ and steel reinforced. • Good agricultural practices such as introduction of topsoil. The b. SEPAKAT SETIA PERUNDING (SDN) BHD. • Where the presence of water bodies (for example.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM viii. Berm drains and interceptor drains shall be provided on the berms and at the 3. Otherwise. gentler than 1:1. ground otherwise deep foundation such as pile foundation shall be provided. The cut is in ideal soils of silty to sandy nature having SPT N > 8. grass shall be hardy. All materials used for water supply system shall have the approval from SYABAS.8. All drains shall be designed as per Table 3.8 m berm at every 5 m vertical interval. the development will not be taken Slope Surface Protection over by SYABAS. acidic soil and steep slopes. Reservoir. water catchment e. materials shall be cleared from the site.5 (v:h) with 1. toppling and/ or plane failures as identified in Table 3. sewers. All slopes shall be provided with subsoil drainage such as horizontal drains:• At the toe of the slope. ii. New turf shall be watered in the dry season. correct planting On difficult or unusual sites. method such as shotcrete with proper drainage weepholes. physiological and ecological characteristics. i. Rock supports effective to the mode of potential failures such as wedge. Slope stability analysis may not be required when:• Vetiver grass (Vetiveria zizanionides) or other grass with equivalent morphological. iii. v. c. Drainage of groundwater is hindered by slope surface protection works such as shotcrete (sprayed concrete). • on very hard ground before introduction of topsoil and horizontal grooving Height of cut slope that does not exceed 10 m and slope gradient is shall be formed before turfing. Height of fill slope that does not exceed 10 m and slope gradient is ii. Tank and Pumping Station Foundation area. iv. Drainage Provisions All loose rock fragments shall be scaled.8 m berm at every 5 m vertical interval. • • Groundwater level is uncertain or likely to be higher than the design All reservoirs/ tanks and pumping stations should preferably be founded on competent cut value. All slope surface shall be fully (closed) turfed or protected against erosion upon completion of reservoir/ tank and pumping station construction. such as hard soil. Unapproved materials/ products including the works completed using the unapproved d. drains and water mains) is above the slope. Fractures rock zones susceptible to erosion or rocks susceptible to deterioration shall be protected by a suitable i. 500 /storey Office 1.000 /ha 30 /child 3-12 .500 /stall Hotel 1.500 /room Shopping complex 1.500 /unit Public and Social Hospital Mosque/ Surau 25.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 3.500 /stall Hawker Centre 1.500 /unit Single and double storey terrace house 1.500 /unit Apartment/ condominium 1. (14142-M) 1.000 /unit Balai Raya 2.500 /bed 50 /student 250 /student 25.000 /unit Multiple storey shop house 1.000 /unit Club House 50.000 /unit – a) Dry stall 450 /stall b) Wet stall 1.6 CHECKLIST Table 3.000 /unit Commercial Single storey shop 2.000 /100m2 According to daily water usage (Note 1) Industrial lots Light industrial workshop 1. Daily Water Usage (l/d) Low cost house and low cost flat 1.500 /unit Single and double storey semi detached house 2.000 /unit Medium low cost flat and medium cost house 1. The design checklist of External Water Supply System is shown in APPENDIX C.000 /unit Boarding school Institution Kindergarten Consulting Engineers 50 /person Community Hall Day school SEPAKAT SETIA PERUNDING (SDN) BHD.000 /100m2 Petrol station – a) With car washing bay b) Without car washing bay Market 50.000 /unit 10.1 : Estimation of water consumption Residential The checklist shall be completed and endorsed by a consulting engineer and shall be attached together with the submission document.500 /unit Terrace factory 5.000 /unit Warehouse 1.000 /unit Single and double storey bungalow (Additional 450 litres per room if more than 4 bedrooms) 2. 2.Ductile Iron (note 3) . If the premises category/ usage is not stated in Table 3. 3-13 . Ductile iron pipes shall be flange jointed or restraint tie bar jointed complete with PE wrapping. 2.HDPE/ ABS/ GRP with RC pipe sleeve HDPE ABS GRP Ductile Iron with thicker zinc coating (note 3) Mild Steel (for diameter ≥ 700 mm) (note 1 & 2) Table 3. Alternatively. All pipeworks shall be as per SYABAS Specifications. All plastic pipes shall be of PN 12 and above. further information shall be obtained from SYABAS.Pumping main . 4.Mild Steel (for diameter ≥ 700 mm) (note 1) . Mild steel pipes shall not be used for corrosive soil.3 : Materials for incoming main/ main pipe (without tapping) The consulting engineer shall estimate and justify the water demand consumption.Ductile Iron (note 4) Under roadways . flange jointed mild steel pipes are acceptable. SEPAKAT SETIA PERUNDING (SDN) BHD. however it can be considered if protected with anodic/ cathodic protection.Mild Steel (for diameter ≥ 700 mm) (note 1) .Mild Steel (for diameter ≥ 700 mm) (note 1) .Gravity main in undulating area. 6.Ductile Iron (note 3) Corrosive soil/ coastal area - .000 l/d for every hectare of land shall apply. (14142-M) Consulting Engineers 5. Table 3.1. Mild steel pipes with diameter of below 700 mm complete with full internal lining protection acceptable to SYABAS and with CCTV confirmation may be considered. 3. sloping/ hilly area .DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Note:1.2 : Hazen-William Coefficient C for various pipe materials Type of Pipe Hazen-William Coefficient C Ductile Iron (cement lined) 100 Steel (cement lined) 100 HDPE/ ABS/ GRP 120 Note : 1. Non-corrosive soil . Conditions Incoming Main Pipe Materials otherwise 75. Ductile iron pipes shall be push-in jointed complete with PE wrapping. (14142-M) Consulting Engineers 3-14 . flats. ex-mining land. of Sampling Box No.000 1 2. condominium and shop houses . of DMZ chamber for every 2. of Connections . Mild steel pipes with diameter of below 700 mm complete with full internal lining protection acceptable to SYABAS and with CCTV confirmation may be considered.Ductile Iron Residential area and mixed developement - HDPE ABS GRP Ductile Iron Table 3. Mild steel pipes shall not be used for corrosive soil.001 and above Additional 1 no. commercial.6 : DMZ chamber requirements for each hydraulic zone No. etc - HDPE ABS GRP Ductile Iron with thicker zinc coating Mild Steel (for diameter ≥ 700 mm) (note 1 & 2) Fully industrial area.5 : Sampling box No. of sampling box for every 1.000 connections Table 3. flange jointed mild steel pipes are acceptable.000 1 1. 2.Ductile Iron . however it can be considered if protected with anodic/ cathodic protection. coastal area. Alternatively. SEPAKAT SETIA PERUNDING (SDN) BHD. of Connections Below 200 Not required 201 – 1. of DMZ Chamber Below 500 Not required 501 – 2. 3.HDPE/ ABS/ GRP with RC pipe sleeve No. 4. All plastic pipes shall be of PN 12 and above.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 3.Mild Steel (for diameter ≥ 700 mm) (note 1) .000 connections Note : 1.001 and above Under roadways Additional 1 no. All pipeworks shall be as per SYABAS Specifications.4 : Materials for reticulation pipes Conditions Reticulation Pipe Materials Corrosive soil. HOTELS. GOVERNMENT BUILDINGS AND EDUCTIONAL BUILDINGS Demand < 1 Mld Not Required 2 Drain Type General site drainage Design Flow 5 years ARI + check 100 years ARI 5 years ARI + check 100 years ARI Overflow discharge drain to or 5 years ARI + Overflow approved discharge point whichever is the greater Low rise (5 storey and below) development with demand ≥ 1 Mld 1 1 Not Required 2 Not Required 2 b) Low rise with demand ≥ 1 Mld 1 1 c) Low rise with demand < 1 Mld Not Required 2 High rise (6 storeys and above) development with demand ≥ 1 Mld Mixed development (low rise and high rise) with demand ≥ 1 Mld:a) High rise Table 3.7 : Storage capacity requirements for reservoirs/ tanks Table 3.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 3. INDUSTRIAL AND COMMERCIAL Combination of the above principles SEPAKAT SETIA PERUNDING (SDN) BHD. OFFICES. HOSPITAL. SHOPHOUSES. (14142-M) Consulting Engineers Trafficable Area Non-trafficable Area Road Base (crusher run) 250 150 Binder Course 60 60 Wearing Course 40 40 3-15 . RESORTS AND COMMERCIAL COMPLEXES a) Demand ≥ 1Mld 1 2 b) Demand < 1 Mld Not Required 3 MIXED DEVELOPMENT OF RESIDENTIAL.9 : Premix road pavement structures Thickness (mm) Pavement Structure All developments within Putrajaya Already Provided 2 All developments within Cyberjaya 1 2 INDUSTRIAL AREA/ FACTORY.8 : Storm drainage system design requirements Storage Requirement (day of total average daily water demand) Conditions Reservoir (external) Tank (within consumer premises) RESIDENTIAL. The Government of the Hong Kong Special Administrative Region. (14142-M) Consulting Engineers Figure 3.10 is extracted from “Geotechnical Manual for Slopes”. Civil Engineering Department. SEPAKAT SETIA PERUNDING (SDN) BHD.1 : Typical reservoir/ water tank – slopes configuration √ √ Scaling of loose blocks √ Netting √ Rock trap fence/wall √ Rock trap ditch Short drainholes √ Move structure/highway Screeded (paved) surface √ Long drainholes/ adits Drainage ditch √ Rockfall Control Anchor √ Drainage Bolt √ Dowel Anchored wall √ Strap Buttress Local structural "dentition" Permeable (masonry) facing √ Structural Support Gunite facing √ Local excavation Excavation Bench Name (with sketch) STABILIZATION MEASURES Flatten Slope POTENTIAL FAILURE TYPE 3-16 . 2000. Geotechnical Engineering Office.10 : Rock Slope Stabilization Measures √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ Plane Failure Wedge Failure √ √ √ Toppling Failure √ √ Rock or Debris Fall & General Degradation √ √ √ √ √ √ √ √ √ √ √ √ √ √ √ * Table 3.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 3. pipeline route.8 m above floor level. 4. two (2) sets of calculations by design chart method shall be submitted by the architect. SEPAKAT SETIA PERUNDING (SDN) BHD. tanks and other installations that have been approved by SYABAS can be used. m. valves. g. All pipe installation works within a building shall be carried out by a registered plumber. For building of three (3) storeys and below without pumping system. Schematic diagram of pipework layout. Floor plan and cross section including meter location. PLANS Pipe to kitchen sinks shall be drawn directly from the incoming pipe before it branches to a tank (not applicable for developments with central storage). and uPVC pipes are not allowed. Pipes to each toilet compartment and pipes to fittings such as sink. a. valves. Building plans that are approved by local Authority. CD containing the soft copy of the drawings in AutoCAD format to the to the storage/ break tank to avoid contamination in the main pipeline. approved letter for tapping point from SYABAS’ Headquarters for proposed development with demand exceeding 50. Consulting Engineers shall submit three (3) sets of finalized plans of A1 size including one (1) no. iii. Manual flushing or flush valve shall be used for urinal. Usage of G. Connection for HDPE pipe shall be of electro-fusion and butt weld.2. Minimum internal diameter for internal plumbing shall be 15 mm. engineer. shall be installed on : i. g. (14142-M) Consulting Engineers 4-1 . WC and urinal. c.2. j. Types of pipe allowed for cold-water system are shown in Table 4.2 Pipes and Valves TECHNICAL REQUIREMENTS tank shall be used. Site plan. For dropper pipes with pressure exceeding 30 m head.0 d. a. c. All outgoing pipes from suction tank in an accessible position at maximum 1. e. basin. Detailed information including catalogues of valves shall be submitted to SYABAS. All plumbers trained by SYABAS will be provided with an ID card that contains personal details and photograph to ensure that only qualified plumbers are allowed to carry out iii. pressure reducing valve or break e. INTERNAL PLUMBING SYSTEM Only pipes. The plans required are as follows:i. c. 4.2 b. All bolts and nuts underground shall be of stainless steel. Tapping works shall only be conducted by Licensed Plumber Type 2. b. d. h. vi. l.000 litres per day. For building with pumping system or development of four (4) storeys and above. Detailed plan of cross sections showing tank and pump room locations. fittings location. b.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 4.I. iv.1 e. A copy of approved letter for external water supply system and a copy of Water piping system for domestic water supply.1. Separate pipe from storage tank shall be provided for system adopting flush valve. civil engineer or hydraulic engineer.1 General ii. respective SYABAS District for approval. All saddle used shall have protective coating as per SYABAS requirement. All plans for fire fighting system shall be referred to BOMBA.8 m above floor level. air conditioning and fire fighting system shall be separated. mechanical or civil engineer. i. Automatic flushing is not allowed. f. k. plumbing installation works. type and class of pipes shall be stated in the drawings. f. All other tapping from the incoming pipe within the premise shall only be channelled h. 4. mechanical a. Nominal size. Fire fighting pipes shall be of red colour and domestic pipes shall be of blue colour. two (2) sets of hydraulic calculations shall be submitted and endorsed by d. etc. v. Control valves (ball or stop cock type). 4. ii. All incoming pipes to suction tank and roof storage tank at 1. Saddles for High Density Polyethylene (HDPE) pipe shall be of electro-fusion tapping. 3 Water Tanks within Consumer Premises a. water tub of minimum 120 litres shall be provided in the The storage tank shall be placed on flat RC slabs complete with proper drainage system. Pumping system operation shall have automatic control by stainless steel electrodes located within the suction tank and storage tank. and suction tank to have not less than 70% of storage capacity. iii. b.5 m3 shall be introduced. Pumping system shall be of variable speed drive type if applicable. The number of pumps on standby shall be 200% of duty pumps. ii. not smaller than the outlet pipe. Water tank with capacity of 4. v. roof storage tank may be reduced to a size not less than 30% of daily water demand. ii. For low cost house/ flat. The base of the storage tank shall be fully supported over its whole area by a durable. iii. floor trap.7 and Table 4. vi. 4-2 . iv. sump or drain at a visible location. Water tank with capacity of less than 4. rigid. For pumping design using pressurized system where the storage is 100% in ground floor storage tank. Generally. All roof storage tanks shall be easily to access with proper staircase within Separate water tank for food court in building shall be provided. storage requirement. flat and level platform sufficiently strong to withstand the weight of the cistern without deflection when filled with water. i.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 4. There shall be proper access for removal and replacement of the storage tank without removing or damaging any part of the building. v. For cases where the number of pumps on standby is 200%. iii. the premises. (14142-M) Consulting Engineers Maximum pumping rate for on duty pump shall be adequate to fill the commercial or office storage tank in eight (8) hours and residential storage tank in twelve (12) hours. Scour pipe shall be installed underneath the tank and channelled to the nearest c. the effective capacity of storage tank (actual volume of water that can be drawn for usage) shall be as shown in Table 3. Top Water Level (TWL) for suction tank and roof storage tank shall be in Ordnance iv. Timber and angle iron shall not be used for the support.2. Pumping Systems a. Sampling pipe shall be provided at the water storage tank for building which d. Capacity The storage tank (including any tap fitted to the storage tank) and its ancillary equipment shall be kept properly locked at all time. bathroom. subject to the approval by SYABAS. c.2. The following materials are approved:• Selector switch shall be provided at the starter panel in order for the pump to be operated manually. Total pumping head shall be as per design and not more than 75 m per stage. e. For f. provides water for food or beverage purposes. a break tank with a and warning pipe and shall be installed at a visible location. Overflow pipe and scour pipe shall be one size larger than the incoming pipe and b. Pipeworks and Materials 4. Safety and Security i. v. g. iv.500 litres and above shall have separate overflow case where the pumping head is more than 75 m per stage.500 litres shall have overflow pipe which shall also function as a warning pipe and shall be installed at a visible location. ii. capacity of 11. Suction tank shall be sized to be between 33% to 50% of daily water demand and roof storage tank shall be sized to be between 50% to 67% of daily water demand. Datum Level (ODL). Only spiral or walk up staircase shall be used and no cat ladder Factory with future expansion plan shall allocate sufficient space for ultimate shall be allowed. The types of tanks allowed to be used as water storage tanks in buildings are Reinforced Concrete (RC) • High Density Polyethylene (HDPE) • Stainless Steel • Glass Coated Steel SEPAKAT SETIA PERUNDING (SDN) BHD.2. i.4 i. ii. pumps and suction tanks located at basement shall be provided with 4. turnover time. i. Toilets and washrooms in all premises Types of pipes allowed for hot-water system are subject to approval of SYABAS.2 Water Conservation Measures proper drainage system to prevent flooding. a. 4. v. Detailed schematic drawing of swimming pool piping system shall be submitted to SYABAS. the size of water storage tank may be Water shall be used efficiently and effectively at all times. Pumping system is only allowed after the water tank. b. d. wash basin mixers.3. a.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM iii. For building with single basement. loss shall be mentioned in the drawing. Pool capacity. rate of water cycle.3. 4. which consists of backwash water. rate of filtration and make-up water volume. Laboratories Install constant flow regulators at all wash basins and sink taps except for safety reasons. Safety valve. Swimming pool shall be designed in order to be filled within one (1) day to three (3) days. Hot water piping system shall be separated and drawn directly from the storage tank. tanks shall not be located at the lowest level of the basement to avoid water contamination and damaged to pumping equipment. and evaporation iv.2. For buildings with rain water collection system. Kitchens and cooking areas in non-residential areas Install constant flow regulators at all sink taps and mixers. copper and PP-R pipes. adopt water conservation measures in all non-domestic and domestic premises and For building with multi-basement lower than external road level. shower taps and shower mixers. Consumers are encouraged to reduced to 75% of daily water demand. The types of pipes approved are stainless steel.2. Canteens Install self-closing delayed-action taps at all wash basins and wash troughs. a. b.6 Swimming Pools • Install constant flow regulators at all wash basin mixers and shower mixers. pumps and suction construction sites to conserve water. (14142-M) Consulting Engineers 4-3 . Technical details and catalogue for pump and filter shall be submitted to SYABAS. SEPAKAT SETIA PERUNDING (SDN) BHD. all new premises and existing premises undergoing renovation. Residential premises Install constant flow regulators at wash basin taps. j. ii. iii.5 Hot Water Systems Use of Water Saving Devices i. vi. h. shall be drained to the Use low capacity dual flushing cisterns with capacity not exceeding 6 litres in bathroom floor trap for storage type water heater. c.3 WATER CONSERVATION 4. water displacement. d. whether using vent pipe or pressure relief valve. c. Alarm system shall be provided to give signal when the water level in the storage tank is 4. Control valve shall not be fixed at the heater outlet pipe for instant water heater. Toilets and washrooms in non-residential premises • Install self-closing delayed-action taps at all wash basins and shower points.1 General lower than pump start level. A standby generator shall be provided. Service Pipe Rainwater Harvesting System Copper/ Polybutelene/ Polysteel/ POB/ GRP Flanged Mild Steel/ ABS/ Ductile Iron/ HDPE Implement rainwater harvesting system which involves the collection. • Stainless Steel/ HDPE (for selected suppliers only)(Note 5)/ Flanged Mild Steel/ Ductile Iron Polysteel Use of non-water cooled systems such as for cooling purposes.– 150 mm dia.4 Stainless Steel/ Copper/ Polysteel Flanged Mild Steel/ Ductile Iron (Note 2) CHECKLIST Distribution The checklist shall be completed and endorsed by consulting engineer and shall be Pipe Stainless Steel/ ABS/ PP-R/ Copper / Polysteel/ POB/ GRP Flanged Mild Steel/ ABS/ Ductile Iron/ HDPE attached together with the submission document. Ductile iron pipe for pumped riser shall be flange ended or push-in jointed complete with restraint tie bars. Note:1.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM vii. The design checklist of Internal Plumbing System is shown in APPENDIX C. (14142-M) Consulting Engineers 4-4 . 3. Pumped Riser Pipe 4. storage and distribution of rainwater from the roof of a premises. All pipeworks shall be as per SYABAS Specifications.1: Internal Pipe Materials Factories Adopt the following measures in factories where possible and applicable:• Type of Pipe Setting up water recycling system to reclaim water for reuse in the Communication Pipe production process and other non-potable purposes. All plastic pipes shall be of PN 12 and above. • D < 100 mm dia. Polysteel pipe shall subject to the quality of work inspections by pipe manufacturer. SEPAKAT SETIA PERUNDING (SDN) BHD. The usage of HDPE pipe as communication pipe shall be those approved by SYABAS. 4. D = 100 mm dia. Stainless Steel/ ABS/ PP-R/ b. Setting up of water recovery system for boilers to recover condensate water as make-up water. 2. Table 4. 5. 000 /unit 6 Multiple storey shop house 1. apartment and condominium 1.000 /unit 2 Medium cost flat and medium cost house 1.000 /unit 5 Single storey shop house 2.000 /unit 23 Petrol Station (with car washing bay) 50.Dry Stall 450 /unit 17 Market .000 /100m2 9 Hotel 1. (14142-M) Consulting Engineers 4-5 . SEPAKAT SETIA PERUNDING (SDN) BHD.000 /100m2 8 Shopping Complex 1.000 /unit 26 Warehouse 1.2: Internal storage tank (within consumer premises) effective capacity according to types of premise or usage Item Type of Premises Effective Capacity (equivalent to 1-day average demand) litres 1 Low cost house or low cost flat 1.500 /unit 25 Terrace factory 5.000 /unit 20 Balai Raya 2.000 /unit 22 Petrol Station (without car washing bay) 10.000 /unit 3 Single or double storey terrace house.Wet Stall 1.500 /unit 19 Community Hall 25.000 /hectare 50 /person According to daily water usage * Mutiply accordingly for any additional water storage as required under Table 3.500 /unit 18 Hawker Centre 1.7.000 /unit 21 Club House 50.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 4.500 /floor 7 Office 1.000 /unit 24 Light industrial workshop 1.500 /unit 4 Single or double storey semi-detached house and bungalow (Additional 450 litres per room if more than 4 bedrooms) 2.500 /unit 27 Industrial Area 50 /student 250 /student 30 /child 25.500 /room 10 Hospital 1.500 /bed 11 Day School 12 Boarding School 13 Kindergarten 14 Institution 15 Mosque/ Surau 16 Market . GENERAL g. sufficient natural light must be available for ease of reading. the Developer/ Management Corporation timeliness in meter reading.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 5. (14142-M) Consulting Engineers 5-1 . water is supplied through bulk meters which measure the total volume of water measured by sub-meters fixed at the individual units. the meter shall Meters shall be centrally placed at each floor or in front of the units and at locations be arranged in correct order and marked with paint as per SYABAS requirements. The proposed AMR system shall be approved by SYABAS prior to 5. a. For developer who opts for AMR shall pay for the installation of the AMR system including the AMR meter.5 METER STANDS 5. flat.1 General can be easily accessible for meter installation. • Gated community. privacy. accuracy and subject to SYABAS approval. 5. The location of a meter shall be determined by SYABAS. all individual meters shall be installed in front but outside the a. fencing of premises. The consumer shall be solely responsible for the safe custody of the meter. Alternatively. condominium and school shall be placed within b. Individual metering shall be carried out at multi-unit residential premises and The use of AMR is encouraged as it provides enhanced security. c. police complexes. 5. For multi-storey premises. Material for meter stand shall be of stainless steel or polysteel. For residential premises. The The size of mechanical water meter for each premises shall be determined based on the registered consumer for the bulk meter shall be responsible to pay for the water water flow rates and water usage as shown in Table 5. Table 5. This is particularly useful in the following area:- shall sign an agreement with SYABAS to ensure that the Developer/ Management Corporation will operate and maintain the water supply systems after the bulk meter and to pay the bill difference between the bulk meter amount and the sum of the • High rise condominium and flats. All bulk meters for apartment.4 AUTOMATIC METER READING SYSTEM (AMR) e. d. Site verification 5. electrical lighting shall be provided. For each individual meter stands for multi-unit residential premises. 5. In general. water supply for different premises and for different uses shall be metered.2 shows the size details of charges based on the difference between the registered consumption of the bulk electro-magnetic water meter.3 SIZES OF METERS For multi-unit premises. This section covers information on the dimensions and various material requirements for water meter stands connected to public mains. e.1 with SYABAS is necessary before meter stand installation. which are easy to access and read (eye level with sufficient lighting) and to SEPAKAT SETIA PERUNDING (SDN) BHD. • High security areas such as prison.5. A meter should preferably be installed in a box recessed into the wall METERING and shall not be at the corridor that will affects human traffic flow. the fenced compound area and near the guardhouse or entrance gate. individual meters amount. All supplies to fire hydrants and other fire fighting devices installed in a consumer’s premises or within its compound shall be metered. d. However. The need to have a meter and its location shall be determined by SYABAS. meter reading and maintenance. factory. The meter shall be installed in such a position that it should be unobstructive and installation. including leakages. b. b. c.0 disconnect.1. meter and all the sub-meters. Water meter locations as approved by SYABAS will be supplied and maintained by SYABAS and will remain the property of SYABAS. f. meters shall be installed on the ground floor and arranged according to levels in ascending order and marked with address plates. f. c. For meters laced in shaft or boxed in chambers.2 LOCATIONS OF METERS a. nipple.200 .1 – 499.080 – 21.5 - 30. 2. Brass gate valve or ball valve (full bore) for two to five meter stands 200 mm 500 7.2 m to 1. (14142-M) Consulting Engineers 5-2 .320 – 86. Such meters shall be installed at 1.000 both side of the meter stand itself as per SYABAS requirements. jam nut.400 50mm 30 0.130 . Gap between centerline at meter stand shall be not less than 150 mm. Stainless steel/ polysteel pipe. Table 5. tee etc).8 8 – 2.400 iv. ii.45 - 3.880 – 57.792.000 v. Note:1.1 – 79.600 25 mm 7 - 0.8 54 – 14.025 0. SEPAKAT SETIA PERUNDING (SDN) BHD. Table 5.160 20 mm 5 - 0.8 10.000 – 360.203.000 (optional). g. coupling.8 - 12.600 80 mm 80 1.2 Markings for Meter stands No marking for meter stand is required for single and two meter stands. Brass or stainless steel fittings (e.1 – 119.5 m above ground. elbow.1 – 29.035 0. Meter stands should comprise the following components:- Maximum Flow (m3/hr) Minimum Flow (m3/hr) Class B Class C Nominal Flow (m3/hr) Range of Monthly Consumption (m3/month) 15 mm 3 - 0. vii.g.000 200 mm 1.5.0376 – 4. xi.015 0. For three or more meter stands.432.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM d.1 0. communication pipes and associated fittings. vi.000 150 mm 600 20 7.1 : Size of mechanical water meter Mechanical meters with upward water flow direction are allowed to be placed vertically.5 - 50. Outgoing pipes of 20 mm ID.1 – 299.2 - 8. Concrete slab (600 mm x 600 mm x 50 mm thick) for all meter stand.100 35 12.0526 – 6. Submains. iii. Meter stands for single and multi meters (up to 5 water meters) are shown in attached SYABAS’ Standard Drawings.8 4. f.2 : Size of electro-magnetic water meter l. The maximum number of horizontal meters that can be stacked one over the other Meter Size shall be eight (8) numbers only.0226 – 2.600 i. Stop valves shall be placed before and after the meters. j. Saddle and ferrule for tapping from public main. e. Incoming pipes of 50 mm ID for three to five meter stands.8 1.14 – 19. x. h.8 2.8 18 – 5. SYABAS may change the meter size should other meter type be used. 5. Incoming pipes of 20 mm ID for one-meter stands. Minimum size of meter shall be 20 mm diameter. Integrated lockable valve such as Ballo Fix is optional. Non-return valves at sub-meters and individual meters for high rise building. 150 mm 300 4. Incoming pipes of 25 mm ID for two-meter stands.600 . ix.8 18. k.7 3.8 13 – 3.040 40mm 20 - 0. identification markings of the unit numbers shall be written with paint on Meter Size Maximum Flow (m3/hr) Nominal Flow (m3/hr) Range of Monthly Consumption (m3/month) 100 mm 282 8. 100 mm 120 1.800 – 216. i. viii. Other jointing combinations for single and multi meter stands are shown in attached SYABAS’ Standard Drawings. The size of meter given in the above table is the size of mechanical meter. Electrical motor h. n. Essential power supply authorities having jurisdiction. Lightning protection system k. CODE OF PRACTICE. a. a. (14142-M) Consulting Engineers 6-1 . electrical system installation.k. Standards.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 6. Compound lighting j. ix. Local Government (Majlis) v.3.0 b. Testing and commissioning ii. where applicable. RULES AND REGULATIONS The consulting engineer shall submit the following during the detailed design stage drawings as per items listed in Clause 6.3 POWER SUPPLY REQUIREMENTS a.2 DETAILED DESIGN SUBMISSIONS a.0. Earthing system l. LV installation documents or between a document and the specific requirements of the local e. Malaysia Standards Codes of Practice. HT installation Where there is a discrepancy in the standards or requirements between two d. relays and meter panels. All design. materials and equipment installed shall conform to the vi. All electrical conceptual drawings including single line diagrams and layout 6. works performed. SEPAKAT SETIA PERUNDING (SDN) BHD. regulations and by-laws of the authorities having jurisdiction over the Three (3) sets of SCADA/ Telemetry System drawings as per items listed in Chapter 8. g. Approval Letter from SYABAS’ Development Department. ELECTRICAL SYSTEM The following standards shall generally be applicable to the design of the electrical systems:- 6. iv. IES. Jabatan Bomba Dan Penyelamat (BOMBA) station. Internal lighting and power i.0. IEEE. latest edition approved by ST. Other International Standards such as IEC. Electrical as-built drawings i. areas namely:- ii. standards. These include : b. area of land required and locations of the TNB substations if required. Energy Commission [Suruhanjaya Tenaga (ST)] vi. iv. The submission requirements shall as per Clause 3. Malaysian Standards (MS) if available. Wiring Regulations for Electrical Installation. STANDARDS. Tenaga Nasional Berhad (TNB) vii.0 . i. iii.1 The electrical design criteria for a typical pumping station should comprise fourteen (14) main i. Motor starter panel (Motor control centre) adopted. All electrical drawings shall be of A1 size.SCADA/ Telemetry System. Department of Environment (DOE) ii. to 6. Control circuit diagrams for pumping system. v. Telekom Malaysia Berhad (TM) their consulting engineer for power supply to the reservoir/ tank and pumping viii.b. Department of Civil Aviation (DCA) iii. code of practice. Electrical spare parts for approval:- m. Catalogues for Telemetry and Instrumentation Equipment. c. Department of Occupational Safety and Health (DOSH) iv. rules and regulations b. Catalogues for switchgears. iii. All other relevant authorities having jurisdiction in the area concerned 6. the more stringent standard or requirement shall be f. b. Power supply requirements c. The owner or developer shall apply to TENAGA NASIONAL BERHAD (TNB) through The consulting engineer shall liaise with TNB to confirm and obtain approval on the numbers. Outgoing Breakers at Main Switchboard All outgoing breakers from the main switchboard to other parts of the electrical system (such as distribution board and motor starter panel) shall be MCCB complete with shut 6. e. b. Floor standing cubicle type generating equipment such as Variable Speed Drives (VSD) is installed. The LV switchboard shall consist of two types:i. trays. different fire zones shall be of fire resistance type approved by BOMBA. central automatic power factor correction panel with step correction shall be provided at the main switchboard to maintain power factor of Floor standing cubicle type above 0. Automatic harmonic current suppressors capacitors and blocking reactors of appropriate rating shall be installed in the main switchboards where harmonic iii. The consulting engineer shall apply on behalf of MCCB in series with main Fuse Switch coupled with one (1) element earth fault IDMT relay SYABAS for the best electrical tariff for SYABAS application. ladders shall be hot-dipped galvanised. For distribution of load. A 60A Fuse Switch and MCCB complete with shut trip coil in series with a Zero CT The 11 kV switchgear shall be of vacuum type. For Main Incoming of Supply of less than 250 A subject to TNB’s approval. A separate TNB metering compartment shall be provided in the HT switch room. Main incoming running load of 60 A and above - f. Main incoming running load of less than 60 A - Either floor standing or wall mounted type g. The transformer shall be of copper and Earth Leakage Relay (ELR) complete with over current used at the incomer side winding and cast resin type for greater safety against fire hazard and lower shall be provided. All sub-circuit and final-circuit wiring shall be in high impact uPVC conduits when concealed in false ceiling or walls and in galvanised iron (G. Other LV switchboards running load of 60 A and above - iv.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM c. c. All cable trunkings. All HT motor design shall be subject to SYABAS approval. IDMT shall be of electro-mechanical type. Current Transformers (CT) for TNB metering. Identification shall be provided for electrical trunkings and cable trays. and three (3) elements over current IDMT relay complete with all current transformers for protection shall be provided. For CT metering scheme. For small installations. Surge Protection device complying with Zone 1 Protection as defined in IEC 61643-12 shall be 6. The 11 kV switchgear shall incorporate the Power Transformers (PT) and metering d.90 in compliance with the TNB regulations. maintenance requirement. of XLPE insulated copper cable. type of capacitors shall be installed at each individual starter panel. The rating of MCCB shall be 25% higher than the full load current.4 HT INSTALLATIONS a.5 LV INSTALLATIONS trip coil of appropriate rating. k. SEPAKAT SETIA PERUNDING (SDN) BHD. Surge Protection device complying with Zone 1 Protection as defined in IEC 61643-12 shall be provided. For Main Incoming of 250 A and above Air Circuit Breaker (ACB) coupled with one (1) element earth fault IDMT relay and three (3) elements over current IDMT relay complete with all current transformers for protection i. Dedicated cable to fire protection equipment if the cable route passes through exposed or supplied to fire protection devices. h. j. provided. For Main Incoming of less than 60 A only Electric Surge Protection device complying with Zone 1 Protection as defined in IEC 61643-12 shall be provided. For load more than 400 A (415 V supply). b. fixed ii. XLPE insulated armoured copper cable shall be used Wall mounted type for underground installations. IDMT shall be of electro-mechanical type. XLPE or PVC insulated Other LV switchboards running load of less than 60 A - Cable from main switchboard to distribution boards and motor starter panel shall be copper cables shall be used.I. a 11 kV substation shall be provided and c.) conduits when shall be provided. a. d. (14142-M) Consulting Engineers 6-2 . 5 mm. the standby generator will be stopped. d. panel thickness shall be of at least 2 mm.I. Distribution Board current relay IDMT. panel thickness shall be of at least 1. thermostat control and indicator light. Essential power supply systems in the form of diesel standby generator set shall be vi. The contactors rating shall be 25% more than the full load motor rating. heater switch.5 Mld. incoming supply to its starter panel.I. If TNB power supply is found to be stable. The essential power supply system shall be in compliance with Local Government (Majlis) and Department of Environment’s requirement on limiting noise level. Sub-switchboard All motor starter panels shall be of the floor standing cubicle type except for motor having loads of less than 60 A. (14142-M) Consulting Engineers 6-3 . 6. All ACB/ MCCB shall be 50 kA for all incomer. c. c. and paint thickness of at least 75 micron on average. iii. panel thickness shall be of at least 2 mm. b. Motor heater circuit shall be complete with motor heater switch and indicator light. iv.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM l. Sizing criteria for shall be as follows: - 3 duty pumps: 2 duty pump running + 1 duty pump starting) i. ESSENTIAL POWER SUPPLY a. m. ix. installation of future cables. iii. SEPAKAT SETIA PERUNDING (SDN) BHD.18 kW changeover of power to the generator set will be delayed until 9 seconds to allow • Above 18 kW . beige in colour and paint thickness of at least 75 micron on average. provided for pumping station serving the demand capacity of more than 1. ii. All motor starters shall be provided with phasing relay complete with miniature circuit breaker (MCB). Main Switchboard Electro-galvanised or galvanised iron (G. MCB shall be provided for its individual control circuit.) sheet with minimum ingress 6. If TNB – Thermal Overload Relay motor protection relay power supply restoration is detected within this 9 seconds window. (For example.) sheet with minimum ingress protection of IP42. beige in colour and paint thickness of at least 75 micron on a. which can be floor standing or wall mounted type.6 ACB/ MCCB or combination or Isolator and Fuse Link shall be provided for main viii. The number of cabling installed in trunking/ trays/ conduits/ ladders shall be such least 24 hours at full load. Electro-galvanised or galvanised iron (G. Panel heater circuit shall be complete with MCB. v. the changeover • Above 93 kW to generator supply will be blocked.93 kW – Electronic microprocessor type of the TNB automatic changeover to alternative power source to complete.7 MOTOR STARTER PANELS protection of IP42. starter panel and instrument panel. beige in colour ii. The motor starter shall either be together with main electrical switchboard or it shall be stand alone on its own with sub-main cables being fed from the main switchboard through Electro-galvanised or galvanised iron (G. The generator set will continue to run for 10 – Electro-mechanical type of motor protection relay minutes. Motor Protection Relay Upon TNB power failure.I. Form 4 segregation requirement. the standby generator shall run up to full speed and the • 0 kW . vii. that a space factor of 45% is not exceeded after making a provision of 25% for e.) sheet with minimum ingress circuit protective devices to its starter panel complete with earth fault relay and over protection of IP42. For DOL starter contactor rating shall be 100% more than the full load motor rating. average. The starter panel shall have the following features:i. b. The fuel tank shall have capacity to enable generator sets to continuously run for at The sizing of standby generator shall take into consideration of all duty pumps The material and construction of the switchboards and distribution boards (DB) running (N-1) and the starting of the last duty pump. xxi. xiii. Sufficient power points of suitable types and ratings shall be provided to serve the intended usage of the areas or rooms and for all equipment and plants to be All motors shall be of the induction type as specified below:- installed including power points for all mechanical equipment’s requirements. Control of lighting for the different areas shall be achieved by the following methods xv. All motors shall use High Efficiency Motor (EFF1 CEMEP-EU standard). e. xiv. Partitioned areas . The sensitivity of the RCD shall comply with the latest Suruhanjaya SYABAS standards shall be provided. ii. b. In any case. c. Power factor shall be corrected to not less than 0. Lighting circuits shall be arranged in alternating circuits. conduits on floor slab. This shall be an independent system Tenaga’s requirements on various applications. ii. shall be above 10M ohm. Open areas xix. automatic control or other electrical power consumers. Each equipment shall have its own power point and two (2) equipment shall not share the same power point. f.2. The starter shall have a protection timer incorporated in the starting sequence. Additional 13A switch socket outlets shall be provided for general use in all areas.Individual switch xviii.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM x. “KELUAR” sign complete with arrow sign showing the exit direction shall be provided where appropriate. The entire autotransformer and rotor resistance bank complete with kW shall be squirrel cage motor with autotransformer starter.8 ELECTRIC MOTORS a. be provided for all areas in accordance with the BOMBA requirements and UBBL. i. The proposed types of light fittings for the different areas are as per Table 6.Switch centre d. h. floatless relay and control relays at the motor control centre and 3-CORE (copper) PVC/ SWA/ PVC under ground cable from the 6.9 INTERNAL LIGHTING AND POWER pumping station to the service reservoir/ tank inclusive of cable marker and cable joint pillar following the cable route along the pumping mains. Motor up to 10 horsepower/ 7. xx.90 lagging. board having a current operated Residual Current Device (RCD) and main switch. thermistors shall be installed at the top compartment of the switchboard and iv. The service reservoir/ tank is located outside the compound from pumping Residual Current Device (RCD) shall be separated for lighting and power (switch stations. If the elevated a.5 mm2 or above and insulation General lighting and power inside the pumping station shall be fed from a distribution b. Motor of more than 10 horsepower/ 7. Class 1. iii. direct-on line starter.5 kW and less than 150 horse power/ 110 Motor of 150 horse power/ 110 kilowatt and above shall be squirrel cage motor with variable speed drives (VSD) or slip rings motor with rotor resistance starter. SEPAKAT SETIA PERUNDING (SDN) BHD.5 kW shall be of squirrel cage motor with i.I. Cable for automatic operation shall be of 2. All indicator lights shall be of LED type. xvi. the operation/ starting of a motor shall not have any undesirable effect to The automatic operation shall be controlled by the level of water in the suction and elevated service reservoir/ tank. xii. xi. a controller coupled with GSM/ GPRS (SMS) system equivalent to socket outlet). All capacitor bank shall be rated at 525 V and each of the capacitor shall be protected by fast reacting reactors. The proposed lighting fitting and illumination level for the common area are given in Table 6. Maintained exit lights (“KELUAR” SIGN) and self-contained emergency lights of fluorescent type with minimum three hours of battery (rechargeable) reserve shall trench or concealed in G. All electrode sets shall be of 13 mm diameter and stainless steel make. The control circuit shall be prepared by the electrical consulting engineer. from the current telemetry system. The main earth chamber shall be painted in red colour and proposed brand used shall be subject to SYABAS approval. (14142-M) Consulting Engineers 6-4 . i. 6. within the same vertical module of switchboard housing the motor circuit. remote control mode via SCADA/ Telemetry system. The motor can be operated via local manual control mode.1. All outgoing cables to motor shall be armoured type and shall be laid in . g. depending on areas and usage:- xvii. LED numerical display and keypad. Earth resistance value for lightning protection system shall not exceed 5 ohms. One (1) no. power (W) and VARs. ii. fixing. The b. capacitance. Generally. All service metallic pipes and exposed metallic protrusions on Control of these various lighting systems shall be by local relays. photocells complete with contactors. iv. the spacing between 6. 6. of digital clamp meter complete with test cable. LED numerical power factor. of power analyzer complete with test cable.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 6. earth electrodes. v. All linkways and covered walkways shall be illuminated using tamper proof earthing systems for electrical. earth chambers. service reservoir/ tank and suction reservoir/ tank. telecommunication and the luminaries with the average of 30 lux requirement. a. tape or bare stranded G. Lightning protection system shall be provided for pumping stations. b. frequency (Hz). e. g. An equipotential earthing system shall be provided to prevent dangerous voltage c. Override facilities shall also be provided. LED numerical display and keypad. time switches and the building shall be earthed together. LIGHTNING AND SURGE PROTECTION SYSTEMS a. e. One (1) no. for the light fittings shall be of SON/ energy saving type or equivalent. One (1) set of tools complete with box spanner. etc. a. Wall mounted light fittings shall be used where pole mounted light fittings are not suitable. The lamps a. building structure. cable. Earthing system shall comprise several sets of earth electrodes. electronic and telecommunication (clean) earth shall be of 1 ohm or less (separately measured for each system before interconnection). Other lightning protection system shall be subject to c. The compound/ street lighting shall be mounted on 5 m high concrete poles.11 d. inductance. bonding. lightning protection. earth clamps.10 SCADA/ telemetry systems are protected against lightning surges complying with EXTERNAL LIGHTING INSTALLATIONS Zone 1 Protection as defined in IEC 61643-12. This involves tying together the various d. the metal structure shall be exothermically bonded with copper i. of digital leakage clamp meter complete with test cable. otherwise roof conductors shall be installed. jointing. concrete and precast numerical display and keypad. cable and concrete and precast earth requirement. b. non-radioactive air terminals. (14142-M) Consulting Engineers One (1) no.13 ELECTRICAL SPARE PARTS Lightning protection system for the building shall be Faraday cage type to MS-IEC 61024-1 requirements. amperes (A). c. h. rise between different earthing systems. of digital insulation tester complete with test cable. More elaborate measures shall be proposed if earth resistance value Area floodlighting shall be provided where necessary and SON type of floodlighting could not be achieved. d. network equipment rooms and SEPAKAT SETIA PERUNDING (SDN) BHD.12 EARTHING SYSTEMS the poles shall not exceed three times the mounting height of the pole. Earth resistance value for lightning protection system shall not exceed 5 ohms. resistance. One (1) no. shall be provided with the average of 30 lux requirement. Developers/ Contractors are required to provide the following electrical tools and spare SYABAS approval. f. External compound/ street lighting shall be provided for the compound and internal All down conductors shall be concealed within building structures. illumination level on the ground/ road surface shall not be less than 15 lux couplings. earth clamps. All exposed metallic protrusions on building shall be connected to the lightning protection system. chambers.I. display and keypad with reading for voltage (V). Suitable path lighting with SL or PL lamps shall be provided in the walk paths. Earth resistance for electrical earth. 6-5 . Lightning surge protection devices shall be provided for all power and data lines to ensure all equipment inside computer rooms. LED The system shall comprise down conductors. test clamps. 6. parts:- For metal roofing. copper tape or bare stranded G. iii. roads within the compound of the works.I. VARIABLE SPEED DRIVE (VSD) PUMPING SYSTEM consideration. Code of One (1) no. One (1) set shall be framed and hung in the pumping station. One (1) no. The design checklist of Electrical System for Pumping Station is shown in APPENDIX C. LED numerical Two (2) sets of the testing and commissioning records and results that are endorsed by a display and keypad. installation. One (1) no. LED numerical Practice. i. One (1) no. of digital vibration meter complete with test cable. iii. One (1) set shall be kept in the pumping station and located at a wall mounted rack. vii.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM vi. ix. iii. One (1) set shall be submitted to SYABAS Headquarters. Rules and Regulations and forwarded to SYABAS.17 CHECKLIST The checklist shall be completed and endorsed by consulting engineer and shall be attached together with the submission document. One (1) set shall be submitted to SYABAS District Office. 6. Sufficient details shall be submitted to SYABAS for For HT installations. All electrical drawings shall be of A1 size and endorsed by electrical consulting engineer. ii. (14142-M) Consulting Engineers 6-6 . the following electrical spare parts shall be provided:i.16 All proposed brands for spare parts shall be subject to SYABAS approval. of Vacuum Circuit Breaker (VCB) of the highest rating in the installed. 6. earth rod. One (1) HRC fuse of the highest rating in the installation. b. ii. LED 6. qualified and competent personnel shall be in accordance with all Standards.15 TESTING AND COMMISSIONING numerical display and keypad. One (1) no. Three (3) sets of electrical drawings and electrical load calculations and three (3) sets of key plan shall be provided and endorsed by the electrical consulting engineer on behalf of the Developers/ Contractors where:- c. ii. Three (3) sets of Operation and Maintenance Manual shall be provided by the electrical consulting engineer on behalf of the Developers/ Contractors where:i. One (1) set of contactors for all steps. of auto system controller with GSM module (for pumping station using GSM based controller only). Pumps with variable drives should be used to achieve energy saving whenever applicable and subject to SYABAS approval. viii. 6. of Air Circuit Breaker (ACB) of the highest rating in the installation. of digital tachometer complete with test cable. iii. One (1) set shall be submitted to SYABAS District Office. SEPAKAT SETIA PERUNDING (SDN) BHD. iv. A standby generator set shall be provided to cater for load of the VSDs One (1) no. b. One (1) set shall be submitted to SYABAS Headquarters. of digital earth tester complete with test cable.14 ELECTRICAL AS-BUILT FITTED DRAWINGS a. display and keypad. 1 : Proposed lighting fitting and illumination level Maintained Average Illuminance (lux) Area Office/ Computer Rooms 400 Store 200 M&E Plant rooms and Pumping station 250 Internal Corridors 100 Toilets 150 Table 6. 5 m height and above – low bay metal halide (corrosion resistance type) b. Less than 5 m – wall mounted fluorescent light fittings complete with metal reflector Internal Corridors Fluorescent light fittings with aluminium reflector (Prefably using 36 W lamps) Toilets Compact Fluorescent Downlights SEPAKAT SETIA PERUNDING (SDN) BHD.2 : Proposed type of light fitting Area Type of Light Fittings Office/ Computer Rooms Fluorescent light fittings with aluminium reflector (Prefably using 36 W lamps) Store Bare channel fluorescent light fittings M&E Plant rooms and Pumping station a. (14142-M) Consulting Engineers 6-7 .DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 6. APPROVAL”. Mechanical handling equipment.0 MECHANICAL SYSTEM 7. Mechanical equipment selected shall have a high degree of serviceability and suitable for e. mains. Generally in the selection of mechanical equipment. efficiency.1 GENERAL 7. with high degree of safety and is carried out). The prime mover. e. Duty point and efficiency. Surge protection system complete with surge analysis calculation. quality and workmanship of the equipment offered to be assessed. The mechanical facilities shall be determined after weighing the merits and demerits of the system curves. e. Full details of equipment offered or proposed and copies of manufacturer’s specifications to enable the nature. b. Pump facilities shall be of the highest degree of efficiency. (14142-M) Consulting Engineers 7-1 . brand and detailed construction.1 First Stage (Design Stage Before Tender Award) a. b. f. All fire prevention system shall be as per BOMBA requirement. Characteristic curves for the pump offered running individually showing the relationship between head. Shop drawings. Protective and safety devices shall be interlocked such that in times of failure of one part 7.2. h. a.2. l. Approval letter from SYABAS’ Development Department for the detailed design of civil works. General layout drawings of surge vessel (size to be determined after surge analysis The facilities shall perform the essential functions required. All plans/ drawings submitted shall be of A1 size. j. two (2) stages as per Clauses 7. All drawings shall be approved before any work is allowed to commence. local use taking into consideration local capability to operate and maintain. SEPAKAT SETIA PERUNDING (SDN) BHD. The submission requirements shall be as per Clause 3.2. discharge. a. pumping head calculation and sizing of suction pipe and pumping system as a whole. c. k.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 7. endorsed by the consulting engineer.2 required and the system curves. Design calculation for pumping system which shall include the pump curves. Life cycle cost of the mechanical equipment shall be considered. All drawings shall be endorsed with the word “SUBMISSION DRAWING FOR i. c. b. Proposed spare parts and tools to details. Pump accessories. Fire protection system and equipment.3. g. Pump and prime mover details. DETAILED DESIGN SUBMISSIONS c.2. The pump.2 Second Stage (After Tender Award during Approval Stage of Equipment) of the system. Pipework and valves. type. reliability. materials and sizes. Submissions shall comprise the following items:- Vibration and noise levels produced by the mechanical equipment in operation shall be as per DOE requirement. d. horsepower. d. Net Positive Suction Head (NPSH) 7. b. the following requirements shall be met:a. All submission shall be f. the system shall not operate thus preventing further damage to the rest of the system. f. Submission by the consulting engineer to SYABAS for approval shall be done in d. c.2. General arrangement drawings of pumping installation. d. g. e.1 and 7. power consumption and factor of the safety desired.4 Pump Casing. given in Table 7.3 End Suction Pumps All pumps with power below 22. The duty point of the pump supplied shall lie within a range of 20% less to 10% more than the pump capacity of the best efficiency point for the particular impeller offered. and/ or SIRIM standards and shall be manufactured and supplied from a 7. ISO. it is advisable to use a single duty pump. Gland Sealing and Other Pump Accessories manufacturer approved by SYABAS. a. Driving Coupling. All pumps.1 Duties and Selection according to the following criteria:a.4.5 kW or 30. conditions of operation and maintenance. For economic operation. d. This is distinct from the criteria for determining the rating of the duty ball or roller bearings with suitable lubricating arrangements. locality of the installation and factor of the safety desired. c. e. it is advisable to have a combination of different size pumps or variable speed bolts and lifting points. In the case where water demand fluctuates widely such as the in-line booster distribution e.4. All pumps with power of 22.2 Horizontal Split Casing Pumps the point of efficiency.1 of the motor power.1. 7. pumps. operate constantly near 7. The pump casing shall be of volute from superior casting material or cast iron with close grain conforming BS EN 1561. The minimum Factor of Safety (FS) in sizing of motors shall be 1. b. For distribution pump. drain valves. Pump Casing i.4. the h. the capacity shall be the maximum daily delivered quantity a.4. (14142-M) Consulting Engineers 7-2 .3 PLANNED WATER QUANTITY AND NUMBER OF PUMP UNITS 7. pump to produce the planned daily quantity. and not the average daily quantity. g. The combined base plate shall be fabricated according to the manufacturer’s instruction. The pump shall be of axially split cast iron casings and high tensile steel shafts running on The pump shall be supplied complete with combined base plates and approved type of flexible couplings.0 water horsepower shall be either k.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 7. The number of standby pumps depends on the size of duty pump. continuously in a day.0 water horsepower and above shall be Horizontal Split Casing Pumps with pump speed of not more than 1500 rpm. For treated water pumps. The pump shall have a stable characteristic such that the pressure falls steeply and continuously from closed valve position. pumps shall not operate more than twelve (12) hours a. The number of pumps required shall be determined by the planned quantity of water and c.4 PUMPSETS Generally. d. planned distribution quantity shall be the basis. In the design of a pumping system. Horizontal Split Casing Pumps with pump speed of not more than 1500 rpm or End A spacer piece shall be provided and coupling to facilitate removal of impeller without dismantling Suction Pumps with pump speed of not more than 2900 rpm approved by SYABAS. i. SEPAKAT SETIA PERUNDING (SDN) BHD. c. b. Rotating Element. b.5 kW or 30. Standby pumps shall be provided in accordance with the design criteria for pump sets The pump shall be supplied with all necessary air release valves. other criteria such as installation cost. parts and accessories shall comply with international standards. the planned water quantity and the number of pump units required shall be determined 7. f. The total pumping head shall not exceed 75 m at 2800 m3/hr for each pumping stage. l. Larger pumps normally have better efficiency. suction and delivery gauge mounting points. Electric driven pumps shall operate at below 1500 rpm. j. The combined base plate and stool shall be supplied complete with all necessary holding system. the connecting pipeworks. (14142-M) Consulting Engineers 7-3 . The rotary and stationary seal housing shall be corrosion resistant while the structural steel base shall be used for pumps with power smaller than secondary seals shall be highly chemical and thermal resistant. • Rotating Element i. The gauge construction shall comply with BS EN 837-1 and ISO Certification. All exposed bolts and nuts used in the construction for the pump shall be cadmium treated or zincified. ix. iii. For certain applications where mechanical seal is not available. v. b.250 mm to 0. journal bearings in which ball thrust bearing or thrust disc and nuts are provided to ii. • pressure. The pump casing shall withstand twice the maximum shut off pressure of the d. sand. The entire gauge shall be calibrated either in single scale unit in METRE/WATER or dual scale unit in METRE/WATER and FEET/WATER. iv. c. iv. damper between pump set and pump plinth. 4 kW whereas steel springs and concrete inertia base shall be used for All seal surfaces shall be able to withstand up to one and half times its working pumps with power larger than 4 kW.5 PRESSURE GAUGES viii. The coupling system shall be strong. Diametrical clearance shall be between 0. restrict axial movement. They shall be maintenance free and suitable for use in treated water. lantern ring and bushes shall be of zinc- • The rubber shall be able to absorb shock to reduce vibration and torsion free bronze or stainless steel. The packing shall be non-asbestos type. i. neck rings. vii. iii. The gauge used shall be of liquid filled type.300 mm. It shall be suitable for use in centrifugal pump handling water containing debris and a. low heads pumps. iii. The rotating element shall be carried in deep grove ball bearings on split bush C. The rotating element shall consist of a balance corrosion resistant high tensile steel shaft. Gland sealing shall be of silicon carbide or tungsten carbide mechanical seals Vibration Isolation Material • The pump sets shall be provided with vibration isolation such as rubber unless otherwise specified. Neoprene/ rubber mount and For pumps which are sited on suspended floor slab. It shall be able to prevent damage on sleeve/ shaft and leakage due to penetration. coupling for the suction pipe ii. temperature of 200 deg. • For pumps which are sited on ground. the gland packing may be used with the approval of SYABAS. • If normal mild steel bolts and nuts are used they shall be protected from rust by chemical treatment or protective caps. SEPAKAT SETIA PERUNDING (SDN) BHD. angular and vertical misalignment. oscillation and shall be able to withstand ambient temperature up to 50 deg. C and velocity of 20 m/s. steel springs and concrete inertia base shall be used. gland. Bush bearings shall be manufactured in plain leaded bronze or in bronze lined with Bolt and Nuts • metal normally apply to low speed.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM ii. c. sleeves. The mechanical seals shall be manufactured to BS ISO 3069. 7. Pump Accessories pumps. Gland Sealing i. keyed on to the impeller or impellers. vi. It shall be organic fibre based impregnated with PTFE as lubricant. iii. robust and flexible to accommodate parallel. All impellers. Coupling • Drive shall be transmitted from the driving unit to the pump by matched flexible coupling unit. ii. and expansion joints for the delivery pipes. b. C of ambient temperature. The dial shall be of printed wetted materials and of high accuracy. For suction pipes with different diameters. The dial of gauge shall not be less than 150 mm in diameter for pumping capacity of below 300 m³/hr and 250 mm in diameter for pumping capacity of above 300 m³/hr. n. h.s. Suitable gauge shall be selected such that the working pressure is at the middle of exceeding the allowable pressure. (14142-M) Consulting Engineers 7-4 . d. the distance shall be more than three (3) times the largest diameter. • 7. iii. f. Hence this device safeguards the pressure instrument gauge. • than one and a half (1½) times the pipe diameter. ii. of water. h. i. exceeding the specified pressure range by water and the range of delivery pressure gauge shall be between 0 m to 100 m head sudden and excessive pressure fluctuation from surge or spike.5 to 0. C of process temperature and • The compound gauge shall be installed when measuring suction pressure. which can be used to throttle pulsation. a pressure gauge shall be installed with overload protector devices to block the surge pressure 65 deg. g. For pumping pressure of above 75 m. The over pressure limit shall not be less than 1. Overload protector shall be designed to protect pressure instrument least 5 times the diameter of the suction pipe.30 x f. • The instrument isolating valve for the gauge shall be of needle type. e. The distance between the suction pipe and the wall of the pump chamber shall be more The distance between the adjacent suction pipes in the case of equal pipe diameter shall be more than three (3) times the pipe diameter. The minimum length of straight pipe before the suction intake of pump shall be at The snubber shall be of ANSI 316 Stainless Steel housing with SS316 porous metal filter disc or needle dampener.8 times the pipe diameter. • The snubber shall be of a large surface area snubbing element with special design for water application. g. when system pressure becomes normal.d or better according to BS EN 837-1. SUCTION AND DELIVERY PIPES Snubber • The purpose of snubber is to protect the gauge against sudden pressure change and fluctuation of pressurized fluid.d. The accuracy shall be +/. b. The depth between the end of suction pipe or strainer and the bottom of pump chamber shall respectively be a minimum of 0. provide precision flow control and as a stop valve. The gauge shall be able to withstand up to 200 deg. Bends shall be avoided if possible. • • The criteria to be considered when designing suction and delivery pipe are as follows:a.5 m/s and 2. The gauge shall have a micrometer zero adjustable pointer and restrictor screw. i.1% f. l. The snubber shall be of ISO certification. e. The instrument isolating valve shall be able to withstand operating pressure of 280 m head of water or higher. Overload Protector (For pump discharge side) • The range of suction pressure gauge shall generally be between 0 m to 20 m head of from over pressure. until it comes back to normal. • The overload protector shall be of piston type with adjustable setting range. The material overload protector shall be of ANSI 316 Stainless Steel body with gasket. When sizing the suction and delivery pipes. • The operating pressure shall not exceed 70% of the full scale dial. The gauge shall be installed with all the necessary accessories to protect the gauge as per below:i. the velocity shall not be greater than 1. m.s. Instrument Isolating Valve (Needle Type) The depth between the low surface of the pipe chamber and the end of the suction pipe shall be more than one and a half (1½) times of the pipe diameter. f. c. SEPAKAT SETIA PERUNDING (SDN) BHD.5 m/s respectively.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM d.6 The overload protector shall be of ISO certification. k. j. Suction pipe shall be as short as possible. the range. 8 VALVES 7. Flanged items shall be supplied complete with bolts. 7. a suitable hand wheel for headstock shall be a. b.8. be of clockwise closing.8. Strainer shall be installed before any altitude valve. The check valve shall also be designed such that the minimum cross-sectional area at the four most critical points shall be greater or equal to cross sectional area of the pipe. be painted with two (2) layers of gloss paint.e. provided. e. machined and drilled conforming to BS EN 1092-3. and two (2) layers of gloss finish coating while ductile iron pipes and specials shall b. General The non-slam check valve shall conform to BS EN 593 and shall be with high operating All mild steel pipes and specials shall be painted with one (1) layer of zinc chromate reliability and minimum pressure losses. b. d. b.2 Butterfly Valves 7. SEPAKAT SETIA PERUNDING (SDN) BHD. Sluice valve shall conform to the requirements of BS 5163 and the closing direction shall v. ii. c. Design and Finish i. d.8. 7. The valve shall be with metal to metal seat and shall operate with minimum wearing parts and minimum maintenance. Sluice valves in pumping station shall only be used for pipe sizes of 250 mm diameter and Surge Simulation i.4 a. Altitude valve controls the level of a tank. marked thereon. conforming to BS EN 545. vertical or inclined. The check valve shall be used for automatic operation by the use of a direct spring loaded closing element. (14142-M) Consulting Engineers 7-5 . The surge simulation shall include the behaviour of the air volume and pressure in the surge vessel after incorporating the check valves. ii. It remains open when the tank is not full and it will close when the tank reaches its maximum level. a. Sluice valve shall be fully designed for pressure rating of PN 16. For butterfly valve without motorized gear. shock free closure and can be installed in any position i. All pipes shall be flange jointed. 7. c.8. Altitude Valves All butterfly valves shall conform to the requirements of BS EN 593 and shall be used for pipe sizes above 250 mm diameter.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 7. horizontal. The valve shall be fitted with hand wheels with the direction of opening and closing cast c.1 Sluice Valves iii. shall be flanged and drilled conforming to BS EN 1092-3. The non-slam type check valve shall be designed to be of short stroke. nuts and jointing materials. c.3 All pipes and specials shall be of mild steel conforming to MS 708 or ductile iron Non-slam Type Check Valves and Surge Calculation a. The butterfly valve shall be fully designed for pressure rating of PN 16. All mild steel pipes shall be lined internally with concrete.7 PIPEWORKS a. below. iv. The valve shall be designed with flow diffuser to minimize pressure losses and A surge simulation shall be performed on the pumping system to determine the variations of pressure in the surge vessel and along the pipeline profile. b. All electric driven fully motorized cranes shall be tested and approved by DOSH before testing upon installation and handing over to SYABAS. b.10 MECHANICAL HANDLING EQUIPMENT a. The design checklist of Mechanical System for Pumping Station is shown in APPENDIX C. e. b. Manufacturers are required to submit complete sets of drawings. Gantry crane handling equipment shall be used for load exceeding 50 kg. To counter water hammer. 7. One (1) set of Shaft. f.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 7. air compressor. One (1) set of repair kit for Altitude Control Valve. Manufacturers shall endorse and provides all application for these purposes. ii. Surge anticipating valves which open or closed at some preset values or 7. d. attached together with the submission document. All cranes shall be suitably sized to lift 1. d. One (1) set of Shaft Sleeve and Lock Nut (if gland packing is used). calculation and certificate shall be handed over to SYABAS during the first inspection for handing over. CHECKLIST The checklist shall be completed and endorsed by consulting engineer and shall be 3 Witness testing is required for pumps with flow rate of larger than 760 m /hr. etc. e. calculations and VARIABLE SPEED DRIVE (VSD) PUMPING SYSTEM Please refer to Clause 6. the following methods shall be used in pumping stations:i. f. One (1) set of Impeller. d. A set of surge suppression system.11 MECHANICAL SPARE PARTS Developers are required to provide mechanical spare parts as follows:a. drawing and test certificate shall be provided together in the handing over manuals. g.13 Pumps tested at site and under controlled condition at factory shall conform to BS EN ISO 5198. c. 7. 7.16. Electrically operated crane shall be required in large installation where individual equipment weight is more than 100 kg. design calculation.25 times the weight of the heaviest equipment. One (1) set of Mechanical Seal. (14142-M) Consulting Engineers 7-6 . One (1) set of repair kit for Surge Anticipating Valve. check valve.9 SURGE SUPPRESSION SYSTEMS a. Drawings. c. e. to DOSH for approval. Monorail cranes shall be used for lighter load and when the centre line of the equipment is in line with the entry or exit. SEPAKAT SETIA PERUNDING (SDN) BHD. b.12 mechanism which lower surge pressure in the pipeline. Pressurized surge vessel to prevent column separation and taking into account of c. 000 - Notes: a. Standby pump is an extra-connected pump used to alternate or serve as duty pump in case of any duty pump fails. All pumps shall be installed to operate under positive suction head. SEPAKAT SETIA PERUNDING (SDN) BHD. c.1 : Design criteria for pump sets Pumping Rate Per Pump (m³/hr) Number of Pump sets Total Maximum Pumping Hours Minimum Efficiency (%) Maximum Maximum Speed (rpm) Pumping Horizontal End Head Split Casing Suction (m) Pumps Pumps Below 400 On Duty = 1 Standby = 1 2 12 75 75 1.500 - Above 2800 On Duty = 4 Standby = 2 6 12 80 75 Not more than 1. Duty pump is the primary pump used for continuous operation at maximum of twelve (12) hours a day. b. (14142-M) Consulting Engineers 7-7 .500 2.900 400-2800 On Duty = 2 Standby = 2 4 12 75 75 1.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 7. f. stand alone c. (RBE) feature where only data from I/O points that have experienced a change in status shall be reported back to the master station. Each outstation shall be provided with the required number of works carried out later shall comply with SYABAS requirements. industrial type fiberrein forced-polyester enclosures to IP66 for both indoor and outdoor installations. water logged. the reservoir 8. independent of the d. SEPAKAT SETIA PERUNDING (SDN) BHD.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 8. Reservoir outstations shall communicate with the master station via a GPRS communication link. The outstation RTUs shall come with report-by-exception 8.2. The time-tag by authorised supplier/ SYABAS. Two (2) types of RTU shall be used for different type of function. All testing. b. All detailed drawings for RC chambers and covers for flow and pressure transmitters shall All outstation equipment including the GSM modem. The outstation equipment furnished shall be designed for installation in a dusty. no condensation will occur. e. cable route markers and humid and tropical environment and shall operate satisfactorily in temperatures cable joint pillars (for underground cable joint. C and up to 95% relative humidity assuming requirements.2 Outstations a. Failure in any part of the system shall be localized to that part only and shall not cause damage to other parts of the system. c. All equipment and instrumentation requirements and specifications mentioned above and master station. b.1 General a. All underground cables shall be of Steel Wire Armoured (SWA) type. d. The configurations stored in any RTU shall be up-loadable with the envisaged future requirements. 8.1 GENERAL 8. e. The addition of outstations or MMIs in and viewed on a Pocket PC or Notebook PC. to automatically start up the communication system and self-document any modified or reconfigured. All cables (power and signal) laying. For analogue input points. The system shall be modular in concept leading to a system that is easily expanded. future shall be carried out without taking the system out of service and shall not jeopardize the continuous working of the rest of the system. In the event of GPRS connectivity failure. Each type of RTU provided for the scheme shall be from the same manufacturer to provide standardization and interchangeability of equipment. All chambers shall not be batteries shall be installed within the enclosure and not externally. Each outstation shall include standard software. The outstation equipment shall be provided in dust proof. cable protective covers. inputs and outputs subject to SYABAS approval. The system shall be designed for continuous fail-safe operation with minimum amount of maintenance. shall be the actual time of event and its accuracy and resolution shall be within 1 All reservoirs/ tanks shall be telemetered. second. All earthing points shall be of 1 ohm or less.2. C and 70 deg.2. (14142-M) Consulting Engineers 8-1 . b. if any) shall be in accordance with SYABAS between 5 deg. Each remote outstation shall be an RTU. commissioning and calibration of telemetry system shall be carried out All inputs shall be time-tagged and transmitted to the master station.0 SCADA/ TELEMETRY SYSTEM 8. The system shall be expandable in order to cope reconfiguration updates. c.2 outstations shall be able to send SMS to the Master Station and/or the respective HARDWARE REQUIREMENTS pump house outstation. specified ambient conditions without the benefit of air-conditioning. transparent to the operator. antennae and back-up power be submitted to SYABAS for approval prior to construction. a. The equipment supplied shall be of the latest available solid-state design using the user shall be able to set the percentage of change in the measured parameter field proven techniques and capable of giving satisfactory performance under the that represents a change in status for reporting to the master station.3 Remote Terminal Units Remote Terminal Units (RTUs) shall be provided in the outstations in accordance with the specification requirements and drawings. unit capable of performing data acquisition and control. b. Modems at outstation shall be able to Local RTU shall transmit all the required data either controlling or monitoring d. Level shall be the primary parameter to start and stop the pump. If the suction tank level is below the low level. b. (14142-M) Consulting Engineers 8-2 . the SCADA Master Station (Command Centre) and shall relay back.2. all critical alarms shall be sent back in real time via SMS to the require an expandable feature such as video surveillance features.4. Command Centre can control and manipulate the pumps operation. All outstations must be able to be controlled by master station. pump to start. purposes via GPRS network. SEPAKAT SETIA PERUNDING (SDN) BHD. At all times. for data. Upon detection of reservoir low level.5 system at the Command Centre. A GPRS/ GSM modem shall be provided at each of the outstations for data communication. The modems shall be compliant with GSM phase 2/2+ and allow control via AT commands. C. 8.designed for installations at pump houses and any remote sites that failure of GPRS. access system and many more.2. High level signal generated by the level sensor at the reservoir shall be transmitted by the RTU to MS Class B and GPRS class 8 for data transfer and be suitable to operate in from existing metering zone sites. door respective parties as specified by SYABAS. Outstations RTU must be configured to use GPRS as a primary link to communicate with master station and must be able to switch to SMS mode in the event of GPRS connectivity failure. Remote/ Auto subject to SYABAS requirements In this mode. pumps shall be automatically operated via SCADA 8.designed for installations at remote sites without permanent AC power supply source. compressed and sent back to the Master Station via SMS at 4 hour interval.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM a. b. 8.4 OPERATION REQUIREMENTS ON SCADA SYSTEM 8. command send by the SCADA system at Command Centre shall be able to control the start/stop of the pump(s) automatically. upload any status change data to the master station. ii. Remote/ Manual In this mode. Video Cameras e. pump shall not be The outstations shall have a continuous GPRS link with the master station and able to start until it reaches the pre determined level.1 Introduction GPRS/ GSM Modem a. send SMS to the selected authorized personnel and must be ready to receive SMS c. In the event of GPRS connectivity failure. Video cameras shall be installed at selected outstation sites for video surveillance Operations shall be able to be carried out in three (3) modes:i. the authorized personnel shall be able to send a signal to the respective RTU which shall be able to relay the signal to start/ stop the pump(s). system shall check the level of suction tank and other existing pumpset protection parameters before MCC could instruct the communicate with broadband connection at the master station. The modems shall come with dual band feature and be designed a. Type 1 . Regardless of the Type 2 . The master station shall not have to poll the outstations for data. the signal to the temperatures up to 55 deg. the data must be recorded. Based on the monitored level. The modems shall support b.4 8. fax SMS and voice applications. The software generated alarms on the reservoirs level shall be provided to alert the system remotely at SCADA and the authorized personnel for their further remedial action.3 COMMUNICATION SYSTEMS a. Modem at master station shall be configured to Motor Control Centre (MCC) to stop the pump. standby power supply system. The instrument shall stainless steel electrodes mounted or stainless steel bracket (in accordance with be housed in floor mounted weatherproof metal cabinet (in accordance with attached SYABAS’ Standard Drawings). magnetic flow meter with transmitter complete with two (2) nos. A display shall be and signal) shall be used. An earthing system of less Standard Drawings) complete with high quality stainless steel padlock.5 mm2 PVC armoured copper cable (power and signal). One (1) no. The duty cycle SEPAKAT SETIA PERUNDING (SDN) BHD. floatless relay and auxiliary relay shall be attached SYABAS’ Standard Drawings) complete with high quality stainless steel. Cable used shall be of 4C 2. relays. alarm annunciator.5 mm2 PVC armoured copper cable (power and signal).15 m. full bore tapping complete with ball Suction Reservoirs and Suction Tanks valve. However. Copper tape or bare stranded G. An earthing system of less than 1 ohm shall be provided. The instrument shall be housed in (cubicle and schematic diagrams of the instrumentation/ RTU panel shall be in floor mounted weatherproof metal cabinet (in accordance with attached SYABAS’ accordance with attached SYABAS’ Standard Drawings). digital One (1) no. Armoured type of copper cable (power d.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM iii. An earthing system of less than 1 ohm in floor mounted weatherproof metal cabinet (in accordance with attached SYABAS’ shall be provided.4. arrestor shall be provided in RC chamber at the pumping main. The pump house outstation shall also perform pump cycling operations. Cable used than 1 ohm shall be provided. Standard Drawings) complete with high quality stainless steel padlock. After a A 600 mm diameter stainless steel wire type of mechanical dial indicator shall be particular pump has been on duty for a certain accumulated period. level instrument ultrasonic transmitter complete with lightning surge clock. Accuracy of error shall be not the high reservoir/ tank when the pump stops. lightning surge arrestor shall be provided in RC chambers at the delivery pipes. arrestors. cable complete with concrete earthing chamber shall d. pressure transmitter complete with pressure gauge and lightning surge stainless steel padlock. b.3 Pumping Stations any time.I. be used for external lightning protection system.4. f. By selecting this mode. more than 2%. one (1) no. c. accordance with attached SYABAS’ Standard Drawings) complete with high quality One (1) no. indicating lights. time switch with contactor. digital indicator.2 flow meter shall be provided with a 25 mm dia. The 8. The range shall be of 0 .5 mm2 PVC armoured copper cable (power and signal). diagram. shall be of 4C 2. inside slab/ wall. A floor standing instrumentation/ Remote Terminal Unit (RTU) panel complete with mimic e. shall stop the pump and designate the next pump as the duty pump. in any mode. RTU GSM System.5 mm2 PVC armoured copper cables arrestor shall be provided in RC chamber at the inlet pipe. pressure transmitter complete with pressure gauge and lightning surge Overflow detection system and level instrument accuracy checker complete with provided at overflow chamber to detect overflow. Overflow detection will give an alarm upon detecting a provided at instrumentation panel from this sensor to indicate the pumping dangerous high level. All installation shall be concealed e. Earthing system of less than 1 ohm shall be provided. operator at the pump house shall be able to start/ stop the pump by pushing the start/stop button at the Motor Control Centre (MCC). emergency stop button provided locally adjacent to the pumps shall override the command at the MCC and SCADA MMI at 8. a. The signal will be converted to water level in against a fixed level water point in the suction tank. All instruments shall be housed in floor mounted weatherproof metal cabinet (in a. all lightning surge system of less than 1 ohm shall be provided. siren and high quality stainless steel padlock shall be provided arrestor shall be provided at the suction reservoir/ tank. (14142-M) Consulting Engineers 8-3 . Local/ Manual A 25 mm diameter full bore tapping complete with ball valve at scour pipe shall be provided before scour valve. An earthing b. The instrument shall be housed (power and signal with 2 pairs of spare cables). An accuracy checker will compare the reading at level sensor pressure when the pump is running. Cable used shall be of 4C 2. Local controls. An earthing system of less than 1 ohm shall be provided. etc. the outstation provided. Cable used shall be of 4C 2. automatic controls and remote controls for motors shall be provided via SCADA system. c. One (1) no. 4. The instrument shall be housed in floor l. The range shall be from 0 . However. be provided.I. The panel shall be installed with high quality stainless steel with high quality stainless steel padlock. full bore tapping complete with ball valve. The Master Station in Command Centre shall be configured with high and low cables (power and signal with 2 pairs of spare cables).15 m. b.5 mm PVC armoured copper cable (power and signal). standby power armoured copper cable (power and signal). of 25 mm diameter full bore tappings complete with ball type stop valves at pumping line. it mounted weatherproof metal cabinet (in accordance with attached SYABAS’ Standard shall automatically send the signal(s) to the respective pump house outstation to Drawings) complete with high quality stainless steel padlock. level instrument ultrasonic transmitter complete with lightning surge k. c.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM f. cable complete with concrete earthing chamber shall signal with 2 pairs of spare cables). Cable used shall be of 4C 2. be immediately reported to the master station. time switch with contactor. Armoured type of copper cable (power surge arrestor shall be provided in RC chambers at the outlet pipe. The flow meter shall and signal) shall be used.4. level instrument ultrasonic transmitter complete with lightning surge An additional one (1) no. An earthing system of less than 1 ohm shall be provided.5 Telemetry Systems for Gravity Fed Reservoirs and Tanks stainless steel electrodes mounted or stainless steel bracket (in accordance with attached SYABAS’ Standard Drawings). An earthing system of less than 1 ohm shall supply system and relays. full bore tapping complete with ball valve. This means meter shall be provided with a 25 mm dia. The flow instruments and equipment on a Report-By-Exception (RBE) basis. level configuration on alarms can be software generated. All dangerous high level. padlock. floatless relay and auxiliary relay shall be d. lightning surge arrestor shall be provided in RC chambers at the outlet pipe. the need for the additional ohm shall be provided. Overflow detection will give an alarm upon detecting a be installed with a 25 mm dia. One (1) no. For analogue signals the percentage accordance with attached SYABAS’ Standard Drawings) complete with high quality change that represents a change in status shall be user settable. An earthing system of less than 1 ohm shall be be used for external lightning protection system. all lightning surge arrestors. SEPAKAT SETIA PERUNDING (SDN) BHD. period shall be user-settable via software. The reservoir outstation shall update the master station on the status of the field j. etc. scouring pipe and one (1) no. arrestor shall be provided at the reservoir/ tank. The instrument shall be housed in floor mounted weatherproof if the reservoir/ tank location is outside the pumping station and suction reservoir/ metal cabinet (in accordance with attached SYABAS’ Standard Drawings) complete tank compound. 2 4C 2. Pumping line and scouring line shall be connected by a 25 mm diameter stainless steel pipe. One (1) no. in between shall be provided. RTU GSM system shall be provided at the reservoir/ tank site arrestor shall be provided. Reservoirs and Tanks Three (3) nos. stainless steel padlock. Overflow detection system and level instrument accuracy checker complete with 8. Earthing system of less than 1 ohm shall be provided. magnetic flow meter with transmitter complete with two (2) nos. magnetic flow meter with transmitter complete with two (2) nos. The change in status of the pumps shall A 900 mm diameter stainless steel wire type of mechanical dial indicator shall be provided.5 mm2 PVC padlock. One (1) no.4 h. An earthing system of less than 1 levels of each ground and elevated reservoir. that the outstation shall only report back to the master station on input/output All instruments shall be housed in floor mounted weatherproof metal cabinet (in points that have changed in status. g. (14142-M) Consulting Engineers 8-4 . One (1) no. lightning provided at overflow chamber to detect overflow. e.5 mm2 PVC armoured copper cables (power and Copper tape or bare stranded G.5 mm2 PVC armoured copper b. a. Alarms generated shall be able to be viewed by SYABAS Crisis Operation Centre. All installation shall be concealed inside provided. slab/ wall. Accuracy of error shall be not more with attached SYABAS’ Standard Drawings) complete with high quality stainless steel than 2%. Cable used shall be of initiate automatic control functions. a. 8. An accuracy checker will compare the reading at level sensor instruments shall be housed in floor mounted weatherproof metal cabinet (in accordance against a fixed level water point in the reservoir. If the reservoir outstation is unable to communicate with the master station. Cable used shall be of 4C 2. i. Cable used shall be of 4C 2. 5 SPARE PARTS The following spare parts shall be provided:a. all lightning surge arrestors. Accuracy of error shall be not more than 2%. 8. digital clock. The design checklist of Telemetry System is shown in and signal) shall be used. An earthing system of less than 1 ohm shall be provided. one (1) no. An accuracy checker will compare the reading at level sensor against a fixed level water point in the reservoir/ tank. A 900 mm diameter stainless steel wire type of mechanical dial indicator shall be provided. A floor standing instrumentation/ Remote Terminal Unit (RTU) panel complete with mimic diagram. standby power supply system. RTU with built in Programme Logic Controller (PLC) + modem : 1 unit SEPAKAT SETIA PERUNDING (SDN) BHD.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM c. alarm annunciator. The instrument shall be housed in floor mounted weatherproof metal cabinet (in accordance with attached SYABAS’ Standard Drawings) complete with high quality stainless steel padlock.5 mm2 PVC armoured copper cable (power and signal). Armoured type of copper cable (power together with the submission document. pressure transmitter complete with pressure gauge and lightning surge arrestor shall be provided at the incoming in brickwall/ concrete chamber. Overflow detection system and level instrument accuracy checker complete with 8. time switch with contactor. Cable used shall be of 4C 2. dangerous high level. indicating lights. Ultrasonic level transmitter : 1 unit b. Overflow detection will give an alarm upon detecting a APPENDIX C.15 m. (14142-M) Consulting Engineers 8-5 .6 CHECKLIST stainless steel electrodes mounted or stainless steel bracket (in accordance with attached SYABAS’ Standard Drawings). d. e. f. The range shall be from 0 . RTU GSM System. digital indicator. relays. Lead acid rechargeable battery : 2 units e. floatless relay and auxiliary relay shall be The checklist shall be completed and endorsed by consulting engineer and shall be attached provided at overflow chamber to detect overflow. Category 3 Lightning Protection Unit (LPU) : 4 units d. Category 2 Lightning Protection Unit (LPU) : 1 unit c. siren and high quality stainless steel padlock shall be provided (cubicle and schematic diagrams of the instrumentation/ RTU panel shall be in accordance with attached SYABAS’ Standard Drawings). Pressure transmitter : 1 unit f. An earthing system of less than 1 ohm shall be provided. One (1) no. DEFINITIONS c. Low cost projects which are fully funded by the State or Federal Government and the National Housing Department 9.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 9. Social and community buildings d. Community hall f. Pursuant to the Water Supply (Selangor) (Capital Cost Contribution) Rules 2003. water treatment plants etc). (14142-M) Consulting Engineers 9-1 . The effective date for the charges is 23rd July 2002. Capital Cost Plan (external and internal) processing fees will not be charged for application for water supply system made before 23rd of July 2002 . This is an additional cost which has to be borne by developers for the construction and completion of water supply systems for their developments. Where approval for external water supply system was obtained before the date of 23rd July 2002. upgrading of water distribution system and reservoir/ tank.4 b.000.0 CAPITAL COST CONTRIBUTION (SKP) b.1. All developments for which the approval for external water supply system was obtained after the date of 23rd July 2002. are subject to the mentioned charges. EFFECTIVE DATE a. Community centre e. Contribution or Sumbangan Kos Pembangunan (SKP) is the payment imposed on the developers as a contribution for the development of source works (dams. Village (kampung) house which cost less than RM 25. SEPAKAT SETIA PERUNDING (SDN) BHD.3 EXEMPTION FROM CAPITAL COST CONTRIBUTION The following types of development are exempted from payment for SKP:a.1 the stage of meter application.2 CHARGE RATES Charge rates for SKP are as shown in Table 9. Place of worship c. 9. 9. the developer would only have to pay the particular SKP (60% of SKP) during 9. 000 Supermarket 0.8Q RM 1.8Q RM 1.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Table 9.000) 1/4 RM 300* High Cost (> RM 150.Q = Design water demand per day in gallons Commercial * whichever is lower Each Building Minimum Charge Commercial Business Complex 0.000 Petrol Pump Station 0.500* Semi-detached 1/4 RM 1.6Q RM 1.8Q RM 1.000 Shopping Complex 0.000) 1/4 RM 1.000 Hospital/ Government Office Complex 0.000) 1/4 RM 100* Bungalow 1/4 RM 500* Service Apartment 1/2 RM 500* Shop House 1/2 RM 500* Shop Office 1/2 RM 500* Linked/ Terraced Factory 1/2 RM 500* Factory Lot 1/2 RM 500* Industrial Lot 1/2 RM 500* Types of Premises Each Building Minimum Charge Hotel/ Private Hospital 0.000 SEPAKAT SETIA PERUNDING (SDN) BHD.000 Hawker Centre/ Market 0.000) 1/4 RM 500* Luxurious (> RM 300.000 and < RM 300.000 and < RM 300.000 Office building 0.000 Government . Types of Premises Percentage per unit % Maximum charge for each unit Apartment Private Low Cost 1/8 RM 75* Medium Cost (up to RM 150.000 Institution/ College/ University 0.000) 1/4 RM 500* Luxurious Cost (> RM 300.000 School/ Clinic/ Medical centre/ District Office 0.000) 1/4 RM 1. (14142-M) Consulting Engineers 9-2 .000 Government Quarters 0.6Q RM 1.000) 1/4 RM 300* High Cost (> RM 150.1 : Charge rates of Capital Cost Contribution (SKP) for land development in the State of Selangor. the Federal Territories of Kuala Lumpur and Putrajaya.8Q RM 1.500* Bungalow 1/4 RM 2.6Q RM 1.8Q RM 1.500* Village (kampung) House (> RM 25.8Q RM 1.6Q RM 1.500* Residential Private Low Cost Terrace House 1/8 RM 75* Medium Cost (up to RM 150.8Q RM 1.000 Factory 0.8Q RM 1. RM 25. RM 75.00 (iii) Disconnection of 51 mm to 150 mm meter for non-payment.00 (b) On the granting of the first licence.00 (b) For connection to main of 16 mm up to 20 mm diameter pipe inclusive cost of ferrule.3 shown in Table 10. RM 22. RM 250.1. RM 100.00 Actual cost plus 25% with a minimum of RM 300.2 CHARGES FOR METER TESTS (a) Deposit for testing 15 mm meters or smaller sizes.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM 10. RM 150.00 (ii) Reconnection on payment RM 25.00 CHARGES FOR LICENCES TO CARRY OUT WORK (a) For meter size below 25 mm (i) Disconnection for non-payment.00 (c) Deposit for testing 21 mm to 50 mm meters.00 (e) Deposit for testing 81 mm and meter of larger size.4 225.6 CHARGES FOR PRESSURE TEST ON MAINS For carrying out on request a pressure test on the public main. Actual cost plus 25% (b) For meter size above 25 mm (i) Disconnection of 26 mm to 50 mm meter for non-payment. 15% of actual cost 10-1 . RM 75.5 10.50 (c) For connection to main of 21 mm up to 25 mm diameter pipe inclusive cost of ferrule.00 SEPAKAT SETIA PERUNDING (SDN) BHD. 10.00 (a) Testing fee.1 : Service charges as per Water Supply (Selangor) (Charges) Rules 2006 Type of Charges 10. RM 300.00 10. RM 10. RM 127.00 RM 300.00 (iii) Disconnection on request and reconnection.00 (d) Deposit for testing 51 mm to 80 mm meters.00 CHARGES FOR SWIMMING BATH TESTS (a) On granting of the first certificate. RM 75.00 (ii) Reconnection of 26 mm to 50 mm meter on payment. (d) For connection to main of pipe exceeding 26 mm diameter.00 (c) Renewal of licence.0 SERVICE CHARGES Type of Charges Pursuant to the Water Supply (Selangor) (Charges) Rules 2006.7 AGENCY FEE (a) Private Development 25% of actual cost (b) Quasi Government including Perbadanan Kemajuan Negeri Selangor (PKNS). Table 10. (14142-M) Consulting Engineers 10.00 (b) Renewal certificate of test. RM 30.50 (b) Deposit for testing 16 mm to 20 mm meters. RM 150. RM 200.00 (iv) Remove plug at communication pipe to restore supply. RM 75. RM 75. RM 25.1 Charge (a) For connection to main up to 15 mm diameter pipe inclusive cost of ferrule. RM 150. the service charges are as 10. CHARGES FOR CONNECTION TO PUBLIC MAINS CHARGES FOR DISCONNECTION AND RECONNECTION Charges for disconnection and reconnection on request or where the supply has been cut for default of payment of water charges or for an offence against the provisions of the Water Supply Enactment 1997:- Charge Actual cost plus 25% with a minimum of RM 150.00 (iv) Reconnection of 51 mm to 150 mm meter on payment. 00 SUPERVISION CHARGES FOR CONNECTION (a) Tee-connection to 100 mm main.8 Charge CHARGES FOR NEW INSTALLATION WITHOUT TAPPING OR TEE-CONNECTION (a) For meter below 13 mm in size.DRAFT FINAL SYABAS GUIDELINES ON PLANNING AND DESIGN FOR WATER SUPPLY SYSTEM Type of Charges 10.375 mm. RM 30. ` SEPAKAT SETIA PERUNDING (SDN) BHD.600 mm. RM 15. (b) Tee-connection to 150 mm main. (14142-M) Consulting Engineers 10-2 . RM 5. RM 45.00 (d) For meter of 26 mm and larger in size.9 Actual cost plus 25% subject to a minimum of RM 75.00 (c) For meter of 20 mm to 25 mm in size.00/mm diameter (f) RM 5.00 (b) For meter of 14 mm to 19 mm in size.00/mm diameter RM 5. RM 5. 10. RM 5.00/mm diameter RM 5.00/mm diameter (e) Tee-connection to 400 mm . (c) Tee-connection to 200 mm .00/mm diameter Tee-connection to main exceeding 600 mm.250 mm.00/mm diameter (d) Tee-connection to 300 mm .