Tender For Supplying, Installation, Testing And Commissioning Of 11000/433 Volts, Outdoor Type Copper Wound 1250 Kva Offload Tap Changer Power Transformer With Other Accessories At Booty Sub Station Under D.W. And S. Mech. Urban Division, Ranchi
Tender Overview
Project Description
Supplying, Installation, Testing And Commissioning Of 11000/433 Volts, Outdoor Type Copper Wound 1250 Kva Offload Tap Changer Power Transformer With Other Accessories At Booty Sub Station Under D.W. And S. Mech. Urban Division, Ranchi
BOQ
| Sl. No. | Item Description |
| 1 | Providing, erecting, testing and Commissioning of Power Transformer 11000/433 Volts,outdoor type copper wound1250 KVA off load tap changer transformer 12.5% to +2.5% as per IS:1180 (part I) :2014 Level II continuously rated for 3 Ph, 50 Hz, at full load and temp. rise not exceeding 45°C by thermometer in oil and 50°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 side connected in Delta and LT side connected in Star with neutral brought out connected to provided separate earthing. The transformer shall have power terminal arrangement, bushing/ cable end box on HT side and cable end box on LT side 2 nos. channels with stoppers shall be provided and fixed on the provided plinth for mounting the transformer. The Transformer should 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 and plain oil level gauge.(2) Silica gel dehydrating breather charged with silica gel. (3) Oil drain valve.(4) Oil filter valve. (5) Lifting eys/ hooks. (6) Two earthing terminals. (7) Diagram and rating plate. (8) Air vent (9) Explosion vent (10) 100 mm dia thermometer with thermometer pocket. (11) four bi directional plain roller.Make- Synergy/T Power/PVJ Power |
| 2 | Supplying and erecting of approved make 11 KV H.T outdoor type gang operated Air Brake triple pole switch with earth 3 post/ Pin type insulator per phase, mounted in horizontal or vertical position on provided cross arm with adequate length of G.I. pipe for operating handle provided with lock and key at suitable height from ground with necessary clamps as per IS: 9921. |
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