CA NO CWEAFJ-41/2026-27 REPAIR/MAINTENANCE OF HT TRANSFORMER, VCBs, HT UG CABLES, GODs, LBS AND ALLIED WORK AT AF STATION JAMMU AND KALUCHAK UNDER GE (AF) JAMMU

Testing of 11KV drawout type vaccum circuit breaker through any reputed manufacturer authorised team are as under:- (a) Following tests to be carried out VCB 630A/800A. (i) IR Value for open. (ii) Tripping and closing time in M/S. (iii) Operation - both manual and through motor. (iv) Functioning of indicators. (v) Continuity. (vi) CT ratio through primary injection. (vii) Polarity test. (viii) Testing of all the protection relay - i.e. o/c, earth fault,OV,UV, instantaneous trip suspension, auxiliary relay etc. (ix) Operation/working of charging motor and limit switch. (x) Calibration of all relay, male, female contracts of VCB.

Servicing of HT VCB 11KV any type VCB 630A/800A as per site, make alongwith tripping system including taking out breaker/trolley and carried out the following repair:- (a) Cleaning and greasing of mechanism- 01 Job. (b)Tightning testing of mechanism parts- 01 Job. (c ) Alignment testing and adjustment of mechanism- 01 Job. (d) Operation, testing of trip and close electrical and manual mode- 01 Job. (e) Spring charging testing electrical and manual mode- 01 Job. (f) Cleaning of panel insulater CT &PT unit- 01 Job. (g) Cleaning and tightning of control/wiring CT &PT unit- 01 Job. (h) Cleaning and testing of relay with current injection method- 01 Job. (j) Testing of auxillary relay - 01 Job. (k) Allingment of trolley, checking/greasing of shutter /lock of breaker. Note :- (a) Service will be carried out through any reputed Manufacturer authorised Service Engineer only. (b) The cost of minor spare parts i.e nut and bolts, springs, grommets, dust cover, ring of isolator contacts, clips, pin for release prop, 'Y' Phase shround, over ride stop pin etc. unless or otherwise mentioned essentially required to make the panel serviceable shall be deemed to be included in the quoted rate. (c) Test sheet shall be prepared and produced to Engr-In-Charge.

Supply and fixing in replacement of steel tubular swaged poles complete with cast iron base plate, finial taper plug, bolts, nuts & screws as specified type 410 SP-55 (11.0 metres long) and duly painted with two coats anticorrosive paint internally and externally upto planting depth,alternate black and yellow straps of synthetic enamel paint 30cm each upto 1.5mtr from ground level and remaining pole painted with aluminium paint including writing Nos complete to entire satisfaction of Engr-in-Charge complete all as specified and directed Engr-in-Charge.

S&F in replacement of air break switch mechanically gang operated triple pole, mounted on 15 Nos of insulator and steel frame, with operating mechanism worked from ground level, for current rating upto 200 Amps, 33000 Volts grade and duly painted with synthetic enamel aluminium/smoke grey paint over a coat of primer and entire satisfaction of Engr-in-Charge complete all as specified and directed Engr-in-Charge.

S&F in replacement of lightning arresters expulsion type complete with all fittings, transmission class, discharge capacity 65 KA suitable for 33000 Volts grade and entire satisfaction of Engr-in-Charge complete all as specified and directed Engr-in-Charge.

Material & labour for restrainging ACSR conductor 33KV Line (Satwari & Miran Sahib Feeder) HT providing suitable proper sag complete all as specified and directed by Engr-in-Charge.

Supply & fixing in replacement of stay assembly comprising of 7/2.50mm galvanized MS stay wire of reqd length, fixed to 11mtr poles with and including of FI clamps made out of FI 40x6mm and nuts bolts washers of suitable size MS stay bow 14mm dia galvanized 40cm long MS galvanised stay rod threaded with nut 16mm dia 21 Cm long with washers MS stay plate galvanized 230x30x6mm incl necessary excavation and PCC complete all as specified and directed by Engr-in-Charge.

S&F in replacement pin type porcelain white, brown or green insulator including one galvanized mild steel spindle, two galvanised iron washers & one galvanised nut 50mm height,65mm dia for working pressure 33000 volts grade, complete all as specified and directed by Engr-in-Charge.

S&F in replacement disc type porcelain white, brown or green insulator including one galvanized mild steel spindle, two galvanised iron washers & one galvanised nut 50mm height, 65mm dia for working pressure 33000 volts grade, complete all as specified and directed by Engr-in-Charge.

Material and labour in replacement for ACSR conductor of any type drawn straight horizontal on HT over head lines on existing poles including binding with insulators weight of conductor shall be measured straight horizontal distance between centre of two adjacent HT poles and calculating weight of conductor of size length by adding 3% extra for sag jointing jumpers etc complete all as specified and directed by Engr-in-Charge.