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NTID 42742514
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💬 Talk to Our Bidding ExpertComprehensive Maintenance Of M in Ernakulam - Complete Tender Details
Find eligibility criteria, important deadlines, bidding requirements, and download official documents for "Comprehensive Maintenance Of M" in Ernakulam, India.
- Opening Date : Mon 1st December, 2025
- Closing Date : Thu 27th November, 2025
- ₹ 6705000.00
- NTID 42742514
Key Values: Document Cost: 1000.00 | EMD: 125575.00 | Estimated Cost: 6705000.00
Tender Description
Comprehensive Maintenance Of Mes 110 Kv Substation Including 110/11 Kv Power Transformers, Substation Yard, 11 Kv Vcb Panels, Scada System, Aux Transformer, Apfc Panels At Naval Base Kochi
Documents
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Document-1
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
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Document-2
721.3 kBOil_India_ExtraDoc...Oil_India_ExtraDocument-GCO0449P23.pdf
Costs
-
EMD
125575.00 -
Document Cost
1000.00 -
Estimated Cost
6705000.00
BOQ Items Total Items : 10 | Total Qty : 22
| # | Item | Quantity | Units |
|---|---|---|---|
| 1 | Comprehensive maintenance of 110KV/11KV substation at Naval Base Kochi including Power transformers 12.5MVA, 110/11KV ONAN/ONAF, 3 phase, 50 Hz, with OLTC having manual/motorized controls with digital AVR and communicative interface for SCADA, isolators earth switch all connected switch gears, SCADA system power and control systems, 11KV capacitor panels, control and relay panels installed inside the substation, local distribution including sundays and holidays for monitoring, management and operation of system and recording the data/details, making details of all incoming and outgoing feeders in 110KV and 11KV system with log book, tripping details, shutdown details, etc The details of the equipments, switch gears of 110KV EHT and 11KV HT system and the works which are included under the comprehensive maint is as under:- | 11.00 | Per Month |
| 2 | (i) Transformer 12.5MVA, 110/11KV, ONAN/ONAF, 3 phase, 50 Hz,power transformer with OLTC having manual/motorized controls with digital AVR and communicative interface for SCADA= 03 Nos (make:- TELK) (ii) Nitrogen Injection Fire Prevention and extinguishment system for 110/11KV 10/12.5MVA transformer protection against fire hazards including fire extinguishing cubicle=03 Nos (iii) 11KV outdoor type 2 core neutral CT of core 1 1000/1,15 VA class PS accuracy for differential protection and core 2 200/5,15VA, class 5P10=03 Nos (iv) Isolators outdoor type, motorized gang operated 3 pole centre rotating solid core porecelain based with horizontal disconnecting double break, 110KV, 800A with or with out earth switch - 07 Set (v) Outdoor type live tank design 110KV,50/1A single core CTs, 15VA,class 0.25 accuracy on polymeric insulator with all accessories - 01 set (vi) Outdoor type of 110/(3)^1/3KV, 110/(3)^1/3V with two secondary inductive voltage transformers with 100 VA,CL 0.5 accuracy for metering and CL 3P for protection with 200VA and all accessories-01 set (vii) Outdoor type of 110/(3)^1/3KV, 110/(3)^1/3V with two secondary inductive voltage transformer with 50 VA,CL 0.5 accuracy for metering and CL 3P for protection with 50VA and all accessories -01 set | ||
| 3 | (viii) Outdoor type of 110/(3)^1/3KV, 110/(3)^1/3V with one secondary inductive voltage transformers with 50 VA,CL 0.2 accuracy for metering and CL 3P for protection with 50VA and all accessories -01 set (ix) Lightening arresters and connected earthing system of the yard and substation-04 Set (x) Relay panels for remote operation and protection of 110KV line side switch yard equipments in incoming 110KV line bay for 110KV line side and 110KV Transformer side (xi) Breaker hybrid switchgear (Gas insulated), 145 KV circuit with all accessories complete, SCADA compactable (one for 110KV common incoming of KSEBL supply and three for 110KV supply to the 12.5 MVA transformer)=04 set (xii) Supervisory control and data acquisition system for control and monitoring the operation of the complete 110KV substation including 11KV VCB distribution system (xiii) 110 KV cable termination units- 04 sets (xiv) VCB Panels VCB,11KV, 1250A 25 KA (for 3 seconds) Electrically operated draw out type with fully encapsulated vacuum interrupter panel with busbar extendable on both side- 19 Number VCB Panels. (xv) LT panel boards and other connected equipments (xvi) Transformer 11/0.433KV for auxilary supply=01 No | ||
| 4 | (xvii) Complete electric supply and lighting to the yard, substation and its surroundings. (xviii) Updating all safety measures and safety kits of the substation as well as the operators (xix) Making or replace all charts, safety tips, SOPs time to time as per the direction of the Engg in charge (xx) Ensure the lay out and connections of all type of control cables and UG cable in the 110KV yard and substation and kept it in a presentable manner in all time including providing complete single line diagramm and site plan showing complete 110KV and 11 KV line switch gears, transformer etc all as per the direction of the Engg in charge (xxi) Keep the fire extinguisher system and equipment of the 110KV yard and substation functional at any point of time. If any fire fighting equipment is found unsv/ non functional the contractor shall replace immediately,failing which a penalty of Rs.5000.00 per day shall be imposed. (xxii) Recording the reading of all earthing once in six month for each equipments, 110KV EHT switch gears, 11 KV HT switch gears, LT panel boards, 11/0.433 transformer etc the report /register of the earth value shall be submitted by the contractor to the Engg in Charge duly signed. | ||
| 5 | (xxiii) The following maintenance shall be carried out on 110 KV EHT y installations and 11 KV installation by the contractor during the comprehensive manit period through OEM The general servicing/maint of the 110 KV yard and in house installation as per the schedule mentioned in PS of CA shall be carried out by authorized rep of OEM having a valid license in the respective field only.The test reports of triping, closing times and Insulation resistances of all the 110 KV and 11 KV switchgear shall be submitted duly signed by the contractor, OEM rep and Engineer-in-charge. (xxiv) De-hydration/ filtration of transformer oil by employing on line filtration plant to achieve di-electric strength not less than minimum 50 KV including following work services: (a) Removal of all suspended particles such as dust, rust, scales, collided Carbone oxidation sludge, etc upto < 1 microne. (b) De-hydration of transformer oil under vacuum. (c) Circulation of heated oil and filling of treated oil in transformer tank. (d) Top up the transformer oil upto the level (e) Clean the transformer. (xxv) Preventive/periodical maintenance of 110 KV Yard installations, such as Isolators, CT/PT, Hybrid breakers, Lightening arrestors, Busbar, transformers inclusive of repairs/replacement works at MES 110 KV yard such as replacement of defective post top insulators, busbars etc (xxvi) Preventive maintanence, Software updation of SCADA system, providing fire wall protection to avoid cyber security threats to the SCADA system and updation of the antivirus of the systems to the latest version of the GE approved OEM (xxvii) Testing of Nitrogen injection fire protection system of 110 KV transformer by carrying out practical drill by removing the existing system from transformers and checking the functionality of the system and carrying out repairs to the system if required including re filling and making operational of the complete system -for three Nos of transformer |
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