Supplying, Installation, Testing And Commissioning Of 1250 Kva (11/0.433Kv) Outdoor Type Copper Wound Distribution Transformer With Other Allied Materials Under D.W. And S. Mech. Urban Division, Ranchi Supplying, Installation, Testing And Commissioning Of
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Supplying, Installation, Testing And Commissioning Of 1250 Kva (11/0.433Kv) Outdoor Type Copper Wound Distribution Transformer With Other Allied Materials Under D.W. And S. Mech. Urban Division, Ranchi Supplying, Installation, Testing And Commissioning Of 1250 Kva (11/0.433Kv) Outdoor Type Copper Wound Distribution Transformer With Other Allied Materials Under D.W. And S. Mech. Urban Division, Ranchi
BOQ
| Sl. No. | Item Description |
| 1 | Providing, erecting and commissioning of 1250 KVA, 11000/433 Voltoutdoor type copper wound distribution transformer as per IS 1180 (Part-I): 2014 Level II continuously rated for 3 phase 50 Hz. on loadand temp. not rise exceeding 45º C by thermometer in oil and 50 º C by the resistance in winding after continuous run at full load rating, the transformer should have oil immersed winding having vector group DY 11. HT sideconnected in Delta and LT side connected in star with neutral brought out connected to provide separate earthing . The transformer shall have power terminal arrangement, bushings/ cable end box on HT side and cable end box on LT side, 2 Nos. channels with stopper shall be provided and fixed on the provided plinth for mounting the transformer. The transformer should have following standard fittings. Transformer shall be of latest manufacturing standards as per amended Is specification and the load & no. load losses shall be as per IS. (1) Oil conservator with filling hole with cap & plain oil level gauge (2) Silica gel dehydrating breather charged with silica gel (3) Oil drain valve (4) Oil filter valve(5) Lifting eyes/ hooks (6)Two earthing terminals (7) Diagram & rating plate (8) Air vent (9) Explosion vent (10) 100 dia\" thermometer with thermometer pocket (11) Four bi -directional plain roller (12) Resistance temperature detector (13) Marshalling box (14) Automatic Voltage Regulator (15) RTCC (16) Buchholz relay (17) Filling of Transformer oilup to mark of its full capacity etc. Make of Transformer-Kirloskar/ABB/ Crompton Greaves/ Synergy |
| 2 | Supplying and installation of 11 KV rotating type approved make HT outdoor type gang operated air break triple pole switch with earth switch of required capacity with 3 post/pin type insulator per phase, mounted in horizontal or vertical position on provided cross arm with adequate lengthof G.I. pipe for operating handle erected on extended square shaft. The operating handle provided with lock and key at suitable height from ground with necessary clamps. |
| 3 | Supplying and installation of 11 KV approved make outdoor type Horn gap type fuse with insulator, fuse element with working currentup to 50 Amp capacity complete erected on provided cross arm, each set comprising 3 units. |
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