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| Tender ID | 3659004 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Special Repairs Replacement Of Power Transformer 132 11 Kv 8 Mva Capacity Against Ber At Mrs, Rci, Hyderabad Under Ge I Rnd Rci Hyderabad |
| Last Date For Submission | 14th Apr, 2026 |
| Opening Date | 16 Apr, 2026 |
| Document Cost | 2000.00 |
|---|---|
| EMD | 368000.00 |
| Estimated Cost | 29300000.00 |
| City | Secunderabad |
|---|---|
| State | Telangana |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Disconnecting the electric supply, removing the HT and LT cable connections of the defective Power transformer, 132/11 KV of 8000KVA capacity, outdoor type, any make, taking down from platform with the help of crane suitable for lifting upto 50Ton or using lifting jacks, loading into low bed trailer of minimum 50 Ton load capacity and transporting the same carefully to MES store yard for necessary auction purpose, taking all necessary precautions to avoid possible damage during transit complete all as specified and as directed. Note : Hire charge for heavy duty crane, hydra and Trailer, charges for loading / unloading and transportation are deemed to be included in quoted rate. Any damage to the transformer by the contractor during dismantling, transporting shall be made good without any extra cost to government. Decision of Accepting Officer shall be final and binding. | 1.00 | EACH JOB |
| 2 | Supply, installation, testing and commissioning of Power transformer for 132/11 KV SYSTEM AT MRS Power Transformer step down, outdoor type of capacity 8.0 MVA (8000KVA) 132 KV/11 KV, 3 phase, 50cycles AC with On Load Tap Changing arrangements with remote control panel operation) on 132 KV sides to vary secondary voltage from +5% to (-) 15% in steps of 1.25% (16 steps/17 Position), impedance 8.35% at normal / common tap No 7 including suitable marshalling box and HV terminals 3 Nos outdoor bare bushings with sockets and LV terminals connectors to connect the transformer with HT XLPE Power cable of size 300 sqmm x 3 core with copper conductor and LV additional Neutral with one number solid porcelain type out door bushings with sockets 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 complete all as specified and as directed. The salient features of the transformer shall be as below: - | 1.00 | EACH JOB |
| 3 | (i) Transformer shall be DYN 11 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 shall not rise 55 degree centigrade of winding. 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 drawn valve and plug. (xi) Sampling valves, top and bottom. (xii) Under base with flat treaded bi-directional rollers. | ||
| 4 | (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 with SCADA compatability. (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 with SCADA compatability. (xxiii) 100mm dia magnetic oil level gauge with low level alarm. | ||
| 5 | (xxiv) Terminal arrangements. (xxv) Suitable wheels (width distance should be as per Broad Gauge rails). (xxvi) Marshalling box. (xxvii) Neutral Grounding Resister suitable for 8.0 MVA transformer in out door floor mounted enclosure suitable for 45 Degree centigrade Ambient temperature and temperature rise 300 Degree centigrade all as approved by GE. (xxviii) Indoor type Remote Tap Changer Panel (RTCC) with Automatic Voltage regulator and necessary indications. (xxviii) Indoor type Remote Tap Changer Panel (RTCC) with Automatic Voltage regulator and necessary indications. (b) On Load Tap Changer (OLTC), out door design weather proof, oil immersed, high speed, non inductive transition type employing, snap switches combining both selector and diverter duties housed in a self contained single compartment and mounting externally on transformer at suitable place. On load tap changer shall have following components: - |
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