SPL REPAIR TO FIVE TRANSFORMERS AGAINST BER IN BAIRAGARH BHOPAL, UNDER GE BHOPAL

Amount

Supply, install, testing and commissioning floor mounted transformer of capacity 33KV/433V, 100 KVA stepdown outdoor type, 3 phase, 50 Hz, AC, oil immersed, air naturally cooled (ONAN Type), with external cooling tubes / radiators, cooper double wound core type copper wound having no load voltage ratio 33KV/433V corresponding to principal tapping, delta connected primary side (HV side) and star connected on secondary side (LV side) in accordance with vector symbol DYN 11 (vector group 04) with neutral brought out on LV side and having tapping on HV side for constant out put so as to alter / vary secondary voltage +-7.5% in steps of by means of manual off load tap changing arrangements complete and confirming to IS 1180 Part-I 2014 all as specified. Make: Voltamp / Crompton Greaves / ABB. The transformer should be fitted with the following standard fitting and accessories :- (a) Rating and Diagram plate. (b) Earthing terminals - 2 Nos (c) Lifting legs. (d) Air release hole with plug explosion vent. (e) Dehydrating silica gel Breather.

(f) Oil Level Guage. (g) Oil filling hole with plug on conservator. (h) Oil Conservator with drain plug. (j) Jacking legs. Oil level guage. (k) Bottom drain cum filter valve. (l) Top filter valve. (m) Pressure release device. (n) Radiator. (o) HT side open type / LT side cable termination box type. Note: 1. The Transformer shall be complete with standard fittings all as specified conforming to IS: 1180 (part-I) 2014 and manufacturer shall hold licence / certificate from BIS to this effect. 2:- The Transformer will have its initial oil filling to appropriate level ( Cost of oil including testing with desired dielectric strength is included )

Supply, install, testing and commissioning floor mounted transformer of capacity 33KV/433V, 200 KVA stepdown outdoor type, 3 phase, 50 Hz, AC, oil immersed, air naturally cooled (ONAN Type), with external cooling tubes / radiators, cooper double wound core type copper wound having no load voltage ratio 33KV/433V corresponding to principal tapping, delta connected primary side (HV side) and star connected on secondary side (LV side) in accordance with vector symbol DYN 11 ( vector group 04 ) with neutral brought out on LV side and having tapping on HV side for constant out put so as to alter / vary secondary voltage +-7.5% in steps of by means of manual off load tap changing arrangements complete and confirming to IS 1180 Part-I 2014 all as specified. Make: Voltamp / Crompton Greaves / ABB. The transformer should be fitted with the following standard fitting and accessories :- (a) Rating and Diagram plate. (b) Earthing terminals - 2 Nos (c) Lifting legs. (d) Air release hole with plug explosion vent. (e) Dehydrating silica gel Breather.

(f) Oil Level Guage. (g) Oil filling hole with plug on conservator. (h) Oil Conservater with drain plug. (j) Jacking legs.Oil level guage. (k) Bottom drain cum filter valve. (l) Top filter valve. (m) Pressure release device. (n) Radiator. (o) HT side open type / LT side cable termination box type. Note: 1. The Transformer shall be complete with standard fittings all as specified conforming to IS: 1180 ( part-I ) 2014 and manufacturer shall hold licence / certificate from BIS to this effect. 2. The Transformer will have its initial oil filling to appropriate level ( Cost of oil including testing with desired dielectric strength is included)

M&L for earthing complete with copper earth plate 60 cm x 60 cm x 3.15 mm thick burried directly in ground ( earth pit not less than 2.25 mtrs deep below ground level) with top edge of the plate not less than 1.5 meters below normal ground level connected to copper earth strip 20 X 3 mm by means of bolts nuts check-nuts and washers of copper or steel as shown in electrical plate No 3 of MES schedule Part-I connecting to earthing test point and testing on completion with including 15 mm bore light grade GI protection pipe, RCC 1:2:4 type B1 20 mm thick cover reinforced with 6 mm thick dia MS bars 3 Nos both ways with lifting hook made out of 6 mm dia MS bar, watering arrangement with funnel and wire mesh and 20 mm bore light grade GI watering pipe, earthing lead from earth plate to eqipment to point ( up to 7.5 M long ) common salt and charcoal filling, necessary excavation and earth work complete all as specified and directed.

Supply & fixing for copper strip 20 x 3 mm on wall / batten or recessed or buried in ground all as directed by Engineer-in-Charge.

Excavation in trenches n exc 1.5 mtr wide and n exc 1.5 mtr in depth and getting out in soft / loose for laying cables, erection of poles complete all as specified.

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

Removing excavated material (soils) not exeeding 50 mtr and depositing where directed at a level n-exc 1.5 mtr above the starting point.

M&L for cement concrete in foundation, filling and mass concrete in M10 (Nominal Mix) using 40 mm nominal size graded crushed stone aggregate complete all as specified and directed.

M&L for Brickwork with subclass‘B’ bricks, non modular sizes as per IS1077:1992, straight / curved on plan exceeding 6 m mean radius built in cement mortar 1:6 complete all as directed by EIC. Note: Repair of Plateform of Transformer / Sub stn boundary walls all as per directed.

M&L for plastering 10 mm thick on fair faces of brick works or concrete surfaces ( on vertical surfaces ) in cement mortar (1:6) finishes even and smooth without using extra cement complete all as specified.

Note for all items: All items executed as per specified and directed by Engr-in-charge.

Oasis Infosystem Private Limited

POONAM ELECTRIC INDUSTRY

M/S RAKESH TRADERS

Raja enterprises