JICA ASSISTED DELHI WATER SUPPLY IMPROVEMENT PROJECT IN Bidding Documents CHANDRAWAL WTP COMMAND AREA (ID-P225) Improvement of Water Supply System including Operation and Maintenance of Section VI Transmission and Distribution pipes, Pumping Stations, Service Connections, Technical Specifications and Consumer Meters with DMA formation and NRW Reduction in Chandrawal C5. Instrumentation Works WTP Command Area (Package 3 – Central Zone) Technical Specifications C5. Instrumentation Works Delhi Jal Board Tenderer I - 1 of 47 JICA ASSISTED DELHI WATER SUPPLY IMPROVEMENT PROJECT IN Bidding Documents CHANDRAWAL WTP COMMAND AREA (ID-P225) Improvement of Water Supply System including Operation and Maintenance of Section VI Transmission and Distribution pipes, Pumping Stations, Service Connections, Technical Specifications and Consumer Meters with DMA formation and NRW Reduction in Chandrawal C5. Instrumentation Works WTP Command Area (Package 3 – Central Zone) Table of Contents TABLE OF CONTENTS 2 SUB-SECTION 1. INSTRUMENTATION — GENERAL 4 1.1 Scope ................................................................................................................................... 4 1.2 Reference standards ............................................................................................................ 4 1.3 General Requirements of Instrumentation ......................................................................... 6 1.3.1 Receive and Store information from .................................................................................. 6 1.3.2 Alarm Situations ................................................................................................................. 7 1.4 Statement of compliance .................................................................................................... 7 1.5 Submissions by Contractor ................................................................................................. 7 1.5.1 General ................................................................................................................................ 7 1.5.2 Functional design specification .......................................................................................... 8 1.5.3 Drawings and schedules ..................................................................................................... 8 1.5.4 Data and calculations .......................................................................................................... 9 1.5.5 Certificates .......................................................................................................................... 9 1.5.6 Operation and maintenance instructions ............................................................................ 9 1.6 Basic features ...................................................................................................................... 9 1.7 Design requirements for instrumentation systems ........................................................... 10 SUB-SECTION 2. INSTRUMENTATION EQUIPMENT 11 2.1 Components, equipment and system design .................................................................... 11 2.2 Instruments and ancillaries — general ............................................................................. 11 SUB-SECTION 3. FLOW-MEASURING EQUIPMENT 13 3.1 Electromagnetic Flow Meter ............................................................................................ 13 3.1.1 General Specification ....................................................................................................... 13 3.1.2 General Specification ....................................................................................................... 15 3.1.3 The Electronic Display Unit ............................................................................................. 18 3.1.4 Water Meter Operation & Performance ........................................................................... 19 3.1.5 Miscellaneous ................................................................................................................... 19 3.2 Consumer Water Meters- Domestic meter for Potable Water ........................................ 20 3.2.1 General .............................................................................................................................. 20 3.2.2 Technical Particulars ........................................................................................................ 21 SUB-SECTION 4. LEVEL-MEASURING EQUIPMENT 23 4.1 General .............................................................................................................................. 23 4.2 Ultrasonic type Level Measuring System ........................................................................ 23 4.3 Capacitance Type Level Measuring System .................................................................... 24 4.4 Level Switch (LS) ............................................................................................................. 24 4.5 Level Transmitter (LT) ..................................................................................................... 25 4.6 Level Indicators (LI) ......................................................................................................... 25 SUB-SECTION 5. PRESSURE-MEASURING EQUIPMENT 27 5.1 General .............................................................................................................................. 27 5.2 Pressure Transmitters ....................................................................................................... 27 5.3 Pressure Switch ................................................................................................................. 28 5.4 Pressure Gauges ................................................................................................................ 28 Delhi Jal Board Tenderer I - 2 of 47 JICA ASSISTED DELHI WATER SUPPLY IMPROVEMENT PROJECT IN Bidding Documents CHANDRAWAL WTP COMMAND AREA (ID-P225) Improvement of Water Supply System including Operation and Maintenance of Section VI Transmission and Distribution pipes, Pumping Stations, Service Connections, Technical Specifications and Consumer Meters with DMA formation and NRW Reduction in Chandrawal C5. Instrumentation Works WTP Command Area (Package 3 – Central Zone) 5.5 Pressure Monitoring in Pipelines and DMAs .................................................................. 29 SUB-SECTION 6. DAMPENING CIRCUIT: WATER QUALITY ANALYSIS SYSTEMS 30 6.1 General .............................................................................................................................. 30 6.2 Residual chlorine meters .................................................................................................. 30 6.3 Turbidity meters ................................................................................................................ 31 SUB-SECTION 7. MEASURING EQUIPMENT 33 7.1 Temperature meters .......................................................................................................... 33 7.2 Platinum resistance thermometers .................................................................................... 33 7.3 Temperature switches/Thermostates ................................................................................ 33 7.4 Push-buttons and indicator lights ..................................................................................... 33 7.5 Analogue signal transmission ........................................................................................... 34 7.6 Programmable logic controllers ....................................................................................... 34 7.6.1 General .............................................................................................................................. 34 7.6.2 Memory ............................................................................................................................. 35 7.6.3 Diagnostics ........................................................................................................................ 35 7.6.4 Communications ............................................................................................................... 35 7.6.5 Input/output ....................................................................................................................... 36 7.6.6 Operator interface ............................................................................................................. 36 7.6.7 Failure ............................................................................................................................... 36 7.7 Signal-conditioning devices ............................................................................................. 36 SUB-SECTION 8. MISCELLANEOUS EQUIPMENT 38 8.1 Portable Sound Level Meter ............................................................................................. 38 8.2 Portable Vibration Meter .................................................................................................. 39 8.3 Portable temperature measuring System .......................................................................... 39 8.4 Lightning Protection Unit (L.P.U.) .................................................................................. 40 SUB-SECTION 9. INSTALLATION OF INSTRUMENTATION 41 9.1 Installation of instruments and sensing devices ..............................................................