Name of Work:Repairs to C&R Panel of 800A Outdoor VCB Panel of Transformer no 1 at water supply scheme Tangnar stage-II
Sl.No.
Item Description
Item Code / Make
Quantity
Units
1
1
Repairs to C&R Panel of 800A Outdoor VCB Panel of Transformer no 1 at water supply scheme Tangnar stage-II
BI01010001010000000000000515BI0100001112
2
1.01
Repairs to C&R panel of 800A outdoor VCB Panel of Transformer no 1 and 2 by way of disconnecting the power supply to the sub-station and then extraction of damaged over current and Earth Fault Relays from the C&R panels The job includes providing and fitting of new Over current and Earth Fault Relay to C&R panel of 33KV VCB panel. The job also includes setting the new relay for tripping paramaters. After setting of relay the job includes testing the over current and earth fault relay for all the protections of indication and tripping system. The OC/EF relay shall have following specifications:-\nMake:-Ashida Electronics\nType:-ADR 141A (Numerical Type)\nOperating voltage:-24-52 VDC..\nHigh speed tripping.\nContacts:-Hand reset (HR).\n The job includes control wiring for connecting the Over current and Earth Fault relay in the panel. All the tools and tackles including skilled labour involved in the execution of the job shall be arranged by the firm. The job needs to be done by highly technical person who has good knowledge of the job. Any damage to any equipment during installation and testing shall be borne by the firm. The relay shall be tested on full load for all the protections and tripping system and shall be programmed as per the rating and capacity of electrical equipment installed.\n
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