Name of Work:- Essential electro mechanical works to be carried out at Water Supply Scheme Chuntwaliwar 1st
Sl. No.
Item Description
1
Supply, Installation, Testing and Commissioning of Post Type Link Set assembly complete in all respects for 11KV Power Supply as a replacement to damaged one.
2
Repairs to the 50-HP Starter (L&T Make) by way of providing and fitting of following accessories.• Thermal Overload relay with a range of 45 to 75 Ampres of TC make and Confirming to IS/IEC 60947-4-1 & IEC60947-4-1• Single Phase Preventer (Type: Controller Z5 Old type) with the supply voltage of 380 Volts• Indicating lamps-- 2 No• Voltmeter—1NoThe job includes servicing and fixing of the above accessories to the Starter and includes the cost on account of all consumables required for carrying out the said job. Once connected the system is to be tested on load for gauging the performance.
3
Servicing of 50 KVA Manual Voltage Stabilizer which includes cleaning, vacuuming and inspecting etc by way of disconnecting all the power connections on the input as well as output side of the stabilizer followed by removal of the top cover/lid by loosening of all the nuts bolts and extraction of complete voltage regulator assembly, core and copper coils from the stabilizer tank with the help of Tripod, chain pulley block, tools, tackles and skilled labour etc. Once extracted the entire assembly as well as the tank is to be cleaned using recommended cleaning agents/ solvents for removing the dirt and muck etc followed by drying of the same and checking of the various connections, wiring etc and repairing the same if needed. Further the job includes providing/filling of 125 Litres of T-oil for topping/filling purpose of the voltage Stabilizer. The job includes cost on account of providing and fitting of required nuts, bolts, insulating material and other allied consumables required for carrying out the job. Once serviced and the input and output connections made, the stabilizer is to be tested on full load at site.
4
Providing, installation, testing and commissioning of Power supply monitoring device for the protection of Motors to be installed at Water Supply Scheme Chuntwaliwar. The Device shall have following features and shall protect against following: -. Monitors Power supply . Protects against Phase loss . Protects against Phase reversal. Protects against Phase asymmetry. . Adjustable over and under voltage trip level. Fixed operate time and release time delay . LED indication for Power and fault condition. Automatic recovery on fault removal.Technical Speciation: - Type - Phase, Neutral and Voltage control.Supply voltage - 415 Volt AC, 3Phase 4-wire.Frequency -47 to 53 HZ.Trip settings UV - 55% to 95% of Supply voltage OV- 105% to 125% of Supply voltageTime Delay ON Delay-0.5sec to 15 Min (Selectable)Trip time (Off Delay)- 5 secThe job includes fixing of the device to the system and includes cost on account of copper cable, thimbles etc and other consumables required for carrying out the said job. Once connected the system is to be tested on load.Make: GIC/L&T/Reputed Please Enable Macros to View BoQ information
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