SPL REPAIR OF TRANSFORMER AND VOLTAGE STABILIZER AGAINST BER EQPT AT BARAMULLA AND PATTAN UNDER GE 969 EWS

Supply, installation, testing, commissioning of Oil cooled, copper wound, Step down down "BIS marked as per Electrical transformers (Quality Control) order, 2014 issued by ministry of Heavy Industries and Public Enterprises & BEE star labelled as per DT notification issued by ministry of power” transformer of capacity 400 KVA plinth mounted outdoor type with latest feature complete with standard fitted HT 11 KV 3 phase, LT 433V 3 phase 4 wire, 50 C/S oil immerse, naturally cooled (ONAN) externally cooling tube delta connection on primary HT 11 KV side and star connection on secondary LT 433V with tapping at +/-2.5 %to +/-5 % & +/- 7.5 % on HV side and to be changed by means of hand operated off load tap changing gear including first filling of new transformer oil as per IS:335 (mineral oil) of dilectric strength not less than 55 KV with all fitting and accessories such as LT box with cable gland, HT box with cable gland, Silica gel, breather, Oil level indicator gauge, drain out valve (oil tank), exhaust vent, air release valve, temp gauge, cast iron wheel etc. comply with EEL-2 IS 1180 (Part-1)-2014 with amendment no. 4 having total losses @ 50% load 1150W & total losses @ 100% load 3330 W. including following items/ Accessories. Bd ser No-05 (i) Name, rating & diagram plate (ii) Off circuit tap changing switch (iii) Earthling terminals (iv) Lifting lugs (v Oil drain valve with plug (vi) Oil filter valve with plug

(vii) Conservator with oil filling hole (viii) Thermometer pocket (ix) Air release plug (x) Silica gel breather (xi) Removable inspection opening (xii) Explosion vent Note :(i) The drawings of transformer shall be got approved from GE. (ii) Manufacturer’s in-house Lab must be NABL approved. (iii)  All tests shall be carried out at factory before the dispatch of Transformer inspection by officer as detailed by Accepting Officer. (i) Name, rating & diagram plate (ii) Off circuit tap changing switch (iii) Earthling terminals (iv) Lifting lugs (v Oil drain valve with plug (vi) Oil filter valve with plug (vii) Conservator with oil filling hole (viii) Thermometer pocket (ix) Air release plug (x) Silica gel breather (xi) Removable inspection opening (xii) Explosion vent Note :(i) The drawings of transformer shall be got approved from GE. (ii) Manufacturer’s in-house Lab must be NABL approved. (iii)  All tests shall be carried out at factory before the dispatch of Transformer inspection by officer as detailed by Accepting Officer.

All as per ser item No. 1 here-in-before but transformer of 160 KVA capacity with EEL-2 IS 1180 (Part-1)-2014 with amendment no. 4 having total losses @ 50% load 570 W & total losses @ 100% load 1700 W.Bd ser No.-5 PTN.

All as per ser item No. 1 here-in-before but transformer of 63 KVA capacity with EEL-2 IS 1180 (Part-1)-2014 with amendment no. 4 having total losses @ 50% load 300 W & total losses @ 100% load 1050 W.Bd ser No.-12 bml

Supply and installation voltage stabilizer Copper Wound for automatic operation, three phase naturally oil cooled indoor type & designed for input variation between 340 V to 460 V with output voltage stabilized at 415 Volts with accuracy ± 2.5% and speed of correction 8 Volts per second and of capacity 150 KVA, Bd Ser No.-06 PTN complete all as specified and directed.

Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty)with stranded aluminium conductor, 11000 Volts grade, of size 3 core 95 sq mm complete all as specified and directed.

Supply, laying and testing cable XLPE Insulated ,screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 1100 Volts grade with stranded aluminium conductor of size 70 sq mm 3.5 core complete all as specified and directed.

Excavation in trenches not exceeding 1.5 metre wide and not exceeding 1.5 metre in depth, for foundations, laying of pipes etc. not exceeding 10sqm on plan for manholes etc. and not exceeding 1.5 metre in depth and getting out in soft/loose soil, complete all as specified and directed.

Returning, filling in, including spreading, levelling watering and well ramming in layers not exc 25cm.in hard/dense soil complete all as specified and directed.

Removing excavated material not exceeding 50mtr and depositing where directed at a level not exc 1.5 mtr above the starting point complete all as specified and directed.