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| Tender ID | 4290282 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Corrigendum : Special Repair Of Transformer And Voltage Stabilizer Against Ber Eqpt At Different Locations, Replacement Of 02x Hp Centrifugal Pump Set With Allied Infra Against Ber Eqpt And Provn Of 63 Kva Transformer With Connected Accessories Under Ge 969 Ews |
| Last Date For Submission | 15th Jun, 2026 |
| Opening Date | 23 Jun, 2026 |
| Document Cost | 1000.00 |
|---|---|
| EMD | 120000.00 |
| Estimated Cost | 6325000.00 |
| City | Multi city |
|---|---|
| State | Multi State |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Supply, installation, testing and commissioning of copper wound step-down distribution transformer, outdoor, floor mounted type, suitable for 11 kV / 433 V, 3 phase, 4 wire, 50 Hz AC system, of capacity 63 kVA , oil immersed, naturally cooled ONAN (Oil Natural Air Natural) type, complete with all standard accessories, fittings and mounting arrangements. The transformer shall conform to latest amendments of IS 1180 (Part-1):2014, BIS certified, and BEE 5-star rated (latest applicable notification). Transformer shall be suitable for outdoor operation under Indian climatic conditions. The transformer shall have: HV side: Delta connected LV side: Star connected with neutral brought out Vector group: DYN-11 Tapping: Off-load tap changer on HV side with taps of 2.5%, 5%, 7.5% in steps of 2.5% Cooling: ONAN with radiators/cooling fins Technical requirements i. Winding: Electrolytic grade copper ii. Insulation: As per IS standards iii. Percentage impedance: As per IS 1180 iv. Losses: As per Energy Efficiency Level-2 / latest BEE norms v. Temperature rise limits: As per IS 1180 vi. Vector group: DYN-11 mandatory vii. Neutral brought out and suitable for solid earthing Accessories & fittings i. Cable end box on HV side suitable for 95 Sqmm 3 core (11000 Volts) size XLPE cable. | 1.00 | Each |
| 2 | ii. Cable end box on LV side suitable for 96 Sqmm 3.5 core (1100 Volts) size XLPE cable with cable glands. iii. Conservator with oil level indicator (min/max marking). iv. Silica gel dehydrating breather (first filling included). v. Cooling radiators / fins. vi. Explosion vent / pressure relief device (PRD). vii. Oil temperature indicator (OTI) with maximum reading and reset. viii. Thermometer pocket. ix. Oil filling hole with cap. x. Oil drain valve with sampling facility. xi. Air release valve. xii. Earthing terminals: Minimum 2 nos. for body earthing .Minimum 2 nos. for neutral earthing (separate bushing) xiii. Lifting lugs and pulling lugs. xiv. HV bushings with arcing horns. xv. LV bushings (porcelain/epoxy as per standard). xvi. Rating plate (as per IS) and terminal marking plate. xvii. Danger plate and phase indication markings. xviii. First filling of new, unused, ISI marked transformer oil conforming to IS 335. Notes: (i) The drawing of transformer shall be approved by accepting officer on receipt of request from the contractor through GE. (ii) The transformer shall be tested as per IS for all routine tests in the factory premises and reports will be deposited with purchase voucher. (iii) Factory inspection and testing of the DG set shall be carried out in the presence of the representative of the Accepting Officer/SEI/IEM, and all associated charges shall be borne by the contractor. | ||
| 3 | Supply, Installation, Commissioning of transformer of capacity 200 KVA step down outdoor type Copper Wounded ONAN Cooling 11/0.433 KV (at no load) AC 3 Phase 50 Hz on secondary side double wounded oil immersed naturally all air cooled with external tubes/radiator, delta connected as on primary and star connected with neutral brought on secondary. The maximum temperature rise should not exceed 45 degree centigrade in oil and 50 degree centigrade in HV/LV winding when measured by the resistance method after continuous full load run in ambient temperature the transformer shall confirming to IS 2026, 1997 and comprising of following accessories :- (a) 01 No Cable end box on HV side consisting of with 03 Nos porcelain bushing with bushing rods and nuts washers and cable glands suitable for XLPE cable 3 Core 120 Sqmm including cable joint complete adopter box (b) 01 No cable end box on LV secondary side consisting of 04 Nos porcelain bushing with bushing rods and nuts washers and cable glands suitable for XLPE cable 3.5 Core 185 Sqmm including cable joint complete adopter box (c) Oil conservator with filter type drain valve and oil level gauge. (d) Dehydrating breather with first filling of dehydrating agent. (e) Explosive vent. (f) Thermometer Pocket. (g) Two earthing terminal on tank body to facilitate fixing of 32x6mm GI Strip. (h) One No thermometer dial type vapour pressure type having range 0-120 degree centigrade with maximum temperature indicator and re-setting device to maximum temperature including needle of temperature gauge max reading panted terminal. (j) Rating plate with terminal plate. (k) Oil drain filter valve. (l) Oil filling hole on top cover with plug. (m) Air release valve/plug. (n) 4 Nos plain solid cast steel detachable rollers. (o) Extra bushing for neutral out side the cable box providing independent earthing for neutral. (p) First fill of transformer oil confirming to relevant IS and tested upto 60KV dielectric strength. | 2.00 | Each |
| 4 | All as per item No. 2 here in before but transformer of 100 KVA capacity. | 2.00 | Each |
| 5 | Supply, laying & testing cable XLPE insulated, screened, PVC bedded, galvanized steel strip or wire armoured, electric power cables (heavy duty) 11000 Volts grade with stranded aluminium conductor, of size 95 sq mm 3 core, complete all as specified and directed by Engr-in-charge. | 90.00 | RM |
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