REPLACEMENT OF 02 X 5 MVA TRANSFORMERS AT SHIVAJI LINE AND BHAGAT LINES MRS UNDER GE UTILITY MEERUT CANTT

Amount

Supply and installation, testing & commissioning of copper wound, 33 KV Power Transformer, step down, outdoor type of capacity 5.0 MVA (5000KVA ), 33 KV/11 KV, 3 phase, 50cycles AC with On Load Tap Changing arrangements with remote control panel operation on 33 KV sides to vary secondary voltage from +5% to (-) 15% in steps of 1.25% (17 steps) , impedance 7.35% at normal/common tap No 5 including suitable marshalling box and HV terminals 3 Nos outdoor bare bushings and LV terminals connectors to connect the transformer with HT XLPE Power cable of size 300 sqmm x3 core with copper conductor and LV additional Neutral with one no solid porcelain type out door bushings on the transformer lid for earthing purpose complete in all respects with standard accessories and fittings conforming to IS-2026 primary side delta and secondary side star. The salient features of the transformer shall be as below :-

(a) (i) Transformer shall be Dyn11 vector group oil immersed naturally cooled, doubled wound electrolytic copper winding core type, Radiator cooled MS tank complete with first fill of transformer oil as per IS -335 with ONAN cooling system. The temperature of oil and winding shall not rise 50/55 degree C above ambient temperature. Transformer shall be painted with two coats of synthetic enamel paint . (ii) Rating and diagram plate (iii) Earthing terminals - 2 Nos. (iv) Lifting lugs (v) Thermometer pocket. (vi) Air release hole with plug. (vii) Oil filling hole with plug on & incl. conservator with drain valve and plug. (viii) Plain type oil indicator on one side of conservator with minimum and maximum oil level marking. (ix) Dehydrating breather - 01 No (x) Oil conservator with drain valve and plug. (xi) Sampling valves, top and bottom. (xii) Under base with flat treaded bi-directional rollers.

(xiii) Drain cum bottom filter valve with plug. (xiv) Top filter valve with plug. (xv) Explosion vent with diaphragm and equalizer pipe (pressure release device). (xvi) Jacking lugs and hauling holes. (xvii) Inspection cover. (xviii) Detachable radiators with shut off valves between radiators and tanks. (xix) Radiator with air release hole and plug. Oil drain hole with plug and lifting eye all as per manufacturer's standards. (xx) 150mm dia oil temperature indicator stem type. (xxi) Double float Bucholtz relay with two sets of contacts and isolating valves. (xxii) 150mm dia winding temperature indicator with maximum indicating pointer and resetting device. (xxiii) 100mm dia magnetic oil level gauge with low level alarm. (xxiv) Terminal arrangements

NOTE :- (a) Transformer shall be inspected by inspecting officers nominated by Accepting Officer at manufacturers factory and all test pertaining to IS: 2026 shall be carried out predispatch complete all as directed. (b) Site testing :Insulation resistance ,oil temperature alarm trip, Winding temperature alarm and trip, Bucholtz relay alarm and trip, Low oil level alarm, testing of annunciation systems by auxiliary relay triping of transformer, Polarity marking and phase sequence, Ratio test, dielectric strength and filtration if required should be carried out. (c) Control cables/Bus -duct shall not measured and paid separately. (d) Addl/Altr required for foundation and civil works as per manufacture's recommendation is included in quoted rates. (e) If any work required to succecceful complition of work but not mentioned in BOQ will have to be done by bidder without any extra cost to the department.

(f) Necessary addn / altn required in existing earthing strip for connection to new power transformer included within the overall quoted rates. (g) Necessary arrangement for dismantling of existing 5 MVA Power transformer and shifting it to MES store Yard as directed by Engineer-in-charge is included within the overall quoted rates.

Leo Air and Power Solution pvt Ltd. (BID ID -3158011)

ELECSA INFRATECH PVT. LTD (BID ID -3158165)

BHARAT ELECTRICAL TRADERS (BID ID -3157903)

Raman Electric Trading Co (BID ID -3157681)

Sant Construction Co. (BID ID -3157773)

B D Raizada Projects Pvt Ltd (BID ID -3157841)

R D Bansal (BID ID -3157902)

LUMOS INFRA PVT LTD (BID ID -3157851)