REPAIR MAINTENANCE TO SERVO VOLTAGE STABILIZERS, VOLTAGE STABILIZER OF WINDOW SPLIT ACS AND OTHER MISC WORKS UNDER GE (U) PM DELHI CANTT10

Disconnecting and taking down faulty and defective Servo Voltage Stablizers of capacity 1000 KVA , 418 Volts from Plinth with the help of Hydra (Crane) and transporting to Contractor's workshop from DGIS and opening the top cover of the servo stablizer, carrying out the repairs /works listed at serial No. (i) to (xiii) and transporting back to the site (DGIS) for installation including making all the electrical connections complete all as specified and as directed. (i) Decanting of the Servo Volatge Stablizer oil (Transformer Oil) into separate Container /barrel. (ii) Taking out the core/coil of Stablizer (iii) Painting inside of the Stablizer Tank with yellow paint and outside body with synthetic enamel paint of existing tint/colour Cleaning inside of the Stablizer using Stablizer oil. (iv) Fixing only the existing/new buck boost transformer & Dimmer (Variable Transformer) in Stablizer including heating up the core assembly to remove moisture after carrying out the repair works . (v) Renewal of rubberised gasket set for top cover, Brass spindles, LT bushes, etc. (vi) Filling of new Stablizer oil after centrifuging and testing for requird di-electric strength. (vii) Re-fixing the top cover of the stablizer with nuts, bolts and washers. (viii) Preparing Inspection report for renewal of parts etc in presence of EIC and Contractor. (ix) The contractor shall arrange factory visit for the EIC or his representative as and when requried, testing of stablizer to be done on full load at factory. (x) Soldering/ brazing or connecting LV bus bars with sutable size nuts, bolts and washers (xi) Providing necessary insulation papers, sleeves, PVC pipes insulation sheet etc. (xii) Renewal of worn out nuts, bolts and washers. (xiii) Disconnecting the existing old unserviceable On Load Change over switch and fixing new switch. (Note :- Stablizer Oil, Centrifuging of Oil, On Load Change Over Switch & buck boost transformer & Dimmer (Variable Transformer) shall be measured and paid separately under relevant items)

ditto- All as item No. 1.00 above but of capacity 250 KVA

Supply only buck boost transformer for Servo Voltage Stablizer for 1000 KVA.

Supply only buck boost transformer for Servo Voltage Stablizer of capacity 250 KVA.

M&L for reconditioning of buck boost transformer of Servo Voltage Stablizer of capacity 1000 KVA complete all as specified and as directed.

M&L for repair to Dimmer (Variable transformer) of Servo Voltage Stablizer complete of capacity 1000KVA complete all as specified and as directed.

M&L for repair to Dimmer (Variable transformer) of Servo Voltage Stablizer complete of capacity 250KVA complete all as specified and as directed.

Supply and fixing in repairs Servomotor synchronus motor for Servo Voltage Stablizer of capacity 1000 KVA including taking down old unserviceable burnt motor complete all as specified and as directed.

Supply and fixing in repairs Servomotor synchronus motor for Servo Voltage Stablizer of capacity 250 KVA including taking down old unserviceable burnt motor complete all as specified and as directed.

Supply only On Load Manual Changeover Switch Disconnector 1600 A, Open Execution, 4 Pole, 415 V AC, suitable for fixing with the existining Servo Volatge Stablizer of 1000 KVA Capacity.