NOTICE INVITING ETENDER FOR SERVICE MAINTENANCE AND TESTING OF TRANSFORMER LT AIR CIRCUIT BREAKER PANEL AND SF6 TYPE HT CIRCUIT BREAKER PANEL AT SUBSTATION 1 2 3 AND 4 AT IIM LUCKNOW

Filtration & Dehydration of transformer oil at the site for transformers installed at the substation, up to a level of relevant IS Dielectric strength for transformers including transportation of Filtration kit, checking the BDV Value, replacement of gasket (if required), providing necessary fittings and manpower etc complete in all respect and submission of test reports before & after dehydration of oil. Item to be executed as per direction of Engineer-in-Charge

Providing and topping up fresh Transformer oil to increase the oil level of the transformer including transportation as required as per the direction of Engineer-in-Charge.

Complete Servicing of 33/0.440KV, HT Transformer through Authorized Service provider including following activities as per the direction & to the complete satisfaction of E-I-C and submission of reports a) IR value test primary to secondary, primary to earth, secondary to earth b) Voltage ratio check at all tap positions, c) Bucholtz relay operation d) checking & setting of WTI and its operation e) checking & setting of OTI and its operation f) Pressure Release Valve (PRV), Oil Surge Relay (OSR) g) Cleaning of transformer and replacement of silica gel. h) Magnetic Oil Gauge (MOG), Breather, On Load Tap Changer (OLTC), Bushings i) Replacement of Gaskets as required.

The basic rate for Servicing & testing of ACBs (800 – 3200A) Scope of Servicing (Details of maintenance given in scope of work also) a) Cleaning of dust, spider webs, foreign particles etc. b) Removal of grease from the various parts of ACB c) Cleaning of all parts with cleaning agents such as CRC-2-26 d) Check the setting of arching contacts, releases, etc. e) Check the tightness of all hardware and also presence of hardware f) Fixing of spare/accessories that need replacement g) Re-greasing as recommended in the ACB service manual.

Basic rate for Servicing & testing of SF-6 rating 33KV, 1250A, 25 KA, totally enclosed & fully interlocked draw out type breaker (Details of maintenance given in scope of work)

Supply and Connection of OTI & WTI for 3000KVA Transformer Make: AREVA. Complete in all sense and working condition. (Make :precimake)