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| Tender ID | 4836880 |
|---|---|
| Organisation Name | Military Engineer Services |
| Tender Brief | Repair / Maint Of 66 Kv /11 Kv Mrs With Servo Stabilizer Acbs With Connected Items Under Ge (af) Jamnagar No 01 |
| Last Date For Submission | 23rd Jul, 2026 |
| Opening Date | 30 Jul, 2026 |
| Document Cost | 500.00 |
|---|---|
| EMD | 59980.00 |
| Estimated Cost | 2999000.00 |
| City | Jamnagar |
|---|---|
| State | Gujarat |
| # | Item | Qty | Units |
|---|---|---|---|
| 1 | Preventive / comprehensive maintenance of 66 / 11 KV EHTV switch yard (details as under) by performing following activities 5 MVA Transformer Details of equipments installed in switch yard:- (i) 5 MVA Power Transformer 02 Nos (ii) 66 KV Line No 1(c) HV 66/11 KV Panel with IDMT & Differential & other relays - 02 Nos (For two transformers). (iii) RMU with Bus Coupler -01 No. (iv) HT Panel -01 No (v) Current Transformer (vi) HT Circuit Breaker (vii) Potential Transformer (viii) Isolator (ix) Surge Arrestors (x) Protection system Details of Activity to be carried out for yearly maintenance (A) Transformer (2 Nos of 5 MVA Capacity) (i) IR & PI Value (ii) BDV, PPM and oil routine test of transformer as per IS : 1866 (iv) Tan delta and capacitance measurement of bushing and main windings (v) Measure of winding resistance at all tap positions (vi) All low voltage routine tests. | 1.00 | Each Job |
| 2 | (B) Current Transformer (i) Insulation resistance measurement Primary to earth (By 5 KV Megger) (ii) Capacitance and tan delta measurement (iii) Checking of star point earthing (C) Circuit Breaker (i) Measurement of static contact resistance (ii) Checking of close / trip Coil current (iii) Measurement of Breaker timings (iv) High voltage test in Case VCB (v) testing (vi) Insulation resistance test | ||
| 3 | (D) Potential Transformer (i) Measurement of secondary voltage (ii) Checking of star point earthing (iii) Insulation resistance measurement Primary to earth (iv) Capacitance and tan delta measurement (E) Isolator (i) Main contact resistance measurement (ii) Earth Switch contact resistance measurement (F) Surge Arrestors (i) Insulation resistance measurement (ii) Measurement of leakage current (iii) Checking of structure earthing (iv) Greasing of contacts (G) Batteries / Battery Charger (i) Measurement of specific gravity and voltage of pilot cell and solution level check (ii) Battery impedance testing (iii) Discharge test of battery sets (run down test) (iv) Discharge Cycle check (H) Protection system (i) Testing of all relay with logic checks (I) Thermal Imaging of sub-station. (J) DC Leakage monitoring daily & if any to be attended immediately Quoted rates shall be deemed to include the following:- | ||
| 4 | (a) minor consumable items, ie Nuts bolts, Control wires , PVC tapes, Welding Job, cotton waste & cleaning clothes, petroleum jelly, grease , lubricating oil, emery paper , T & P items etc. (b) Following testing kit for carrying out different tests (as per PGVCL / GETCO norms) (i) Tan-delta testing kit. (ii) Contact resistance kit. (iii) DCRM (Dynamic contact Resistance) kit. (iv) Breaker time testing Kit. (v) Oil (BDV & PPM, DGA) test at Approved Lab. (vi) Earth resistance tester. (vii) Relay testing kit. (viii) Vacuum Interrupter Tester. (ix) Turn Ratio Kit. (x) Winding resistance Kit. (xi) Transformer testing kit. | ||
| 5 | Note:- (i) Yearly maintenance shall be carried out through Approved Agency by GETCO / PGVCL and contractor shall submit documentry evidence to Engineer-in-Charge for their approval. (ii) Yearly maintenance shall be carried out as per GETCO / PGVCL norms. (iii) Necessary Shutdown from GETCO shall be obtain by the contractor under his own arrangement after approval of Engineer-in-Charge in writing. (iv) Contractor shall submit test result of all equipments after completion of maintenance dully signed by the GETCO / PGVCL approved agency. (v) Contractor shall submit health certificate of complete 66 / 11 KV switchyard after completion of maintenance dully signed by the GETCO / PGVCL approved agency before claiming payment of testing. (vi) Contractor shall be submitted three copy of health certificate after each preventive maintenance and testing result report duly signed by Engr-in-charge shall be kept in record. (v) Preventive maintenance of one yard shall be counted as one job. |
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