BANGLADESH POWER DEVELOPMENT BOARD TENDER ... - BPDB

Required no. of 6.6 kV and 415 V voltmeter selector switch. Required no. of 6.6 kV and 415 V incoming circuit ammeter selectorswitch.Required no. of 6.6 kV and 415 V bus voltmeter. Required no. of 6.6 kV and 415 V incoming circuit ammeter. Required no. of 6.6 kV and 415 V incoming circuit watt-hour meter ( forAuxiliary transformer and one common auxiliary transformer) withindicating lamps for voltage failure. One (1) lot Annunciators (minimum 15 windows). One (1) Mimic bus. One (1) Test terminal blocks8.9 DESK BOARD FOR HRSG CONTROL (in case of steam injection)One (1) set of water/steam pressure monitorsOne (1) set of water/steam temperature monitorsOne (1) lot of control switches.8.10 INSTRUMENTATION AND CONTROLS8.10.1 DESIGN REQUIREMENTSControl signals and instrumentation signals shall not be affected by stray ACvoltage or other interface of any type normally found in a power station. TheContractor shall supply shielded cables and surge arresters where necessary.Shock absorbing mountings shall be supplied for instrumentation equipmentwhere required.Each component shall be identified and tagged with a designation number.Instrument scale ranges shall be expressed in SI units metric units.8.10.2 MEASUREMENTSMeasurements shall be taken for plant operation and control, and forheat balance and equipment's performance & efficiency calculationsincluding supply of software on on-line plant performance monitoring &optimisation to interface with Plant Control, Protection, Monitoringsystem.The main modules of on-line plant performance monitoring & optimisationpackage shall comprise of 1) Data Acquisition; 2) Data Validation & on-line HeatBalance; 3) On Line Performance Module & 4) On Line Optimisation Module.Ghorasal 200 MW to 300 MW Gas Turbine Peaking Power Plant Project (Vol-2 of 3)86