AMC of Yearly operation, minor maintenance, supervision and servicing of 33 / 0.433 KV Sub-station at IIMC Campus, Joka

PART- A

(A) Operation , minor maintenance of 33 / 0.433 KV sub-station complete with all equipment’s and accessories like DG sets , DG synchronization panel, capacitor panel , HT & LT panels , transformers, Breaker units and all related Electrical power distribution system on a round the clock basis throughout the year on all the days of the year (including Sundays and public holidays) with related accessories comprising of routine servicing/preventive maintenance, Job includes servicing , cleaning , maintaining up keep of all the equipment’s , sub-station room and the entire sub-station premises. Job includes providing all support required for bringing Diesel oil in barrels from service station upto the sub-station room, loading the overhead tank / Generators with diesel , keeping record of diesel consumption as well as safely maintaining the diesel filled barrels. The job also includes all works related to sub-station equipment’s ensuring smooth uninterrupted functioning of all equipment’s inside sub-station premises strictly as per instruction of Engineer in charge / Department.

(B) Monitoring, Technical support, Supervision of the Electrical distribution system of 33 KV Substation (HT & LT panels, all electrical instruments) at IIMC. Work includes ensuring uninterrupted and safe running of the 33 KV sub-station, immediate attending any fault in system, fault finding and providing solution of the fault. It is mandatory for the supervisor to be available at sub-station during Institute office hour’s minimum of 6 days a week (9:15 A.M to 5:45 P.M). The agency to submit a weekly report of the working performance of sub-station equipment’s Example- Transformers, Generators, LT & HT panels. Fault in any of the equipment is to be attended immediately. Supervisor should have Degree / Diploma in Electrical Engineering with 5yrs experience of working on 33 kv substation maintenance. The agency supervisor shall give his / her daily attendance at Engg. Dept. 1) The work is to be done strictly adhering to all the points mentioned individually in the” Special condition of contract” “General terms and conditions” , “Brief description of the system to be operated and maintained” & “Scope of work” of this job. 2) The vendor should have minimum valid 33 KV electrical license from licensing Board.Govt of West Bengal 3) The vendor will have to execute the AMC by following all norms and rules as applicable , as per Institute. 4) Payment terms – Payment will be made on a quarterly basis after completion of every 3 months of the contract. 5) The Sub-Station should never ever be kept un manned. It is mandatory for the vendor to make sure that the Sub-Station is always manned. 6) It is mandatory for the vendor operators to wear safety gadgets while executing Duty.

Attending breakdown at HT breaker side , identifying the fault nature and rectification of the same by the following :- (All spare parts should be supply by the dept.) job includes manpower charge only

(A) Replacing faulty PT/CT unit/units and installing, commissioning new PT/CT unit/units after Testing.

(B) Replacing faulty Pole assembly unit/units and installing, commissioning new Pole assembly unit/units after Testing.

(C) Replacing faulty Spring charging motor unit/units and installing, commissioning new Spring charging motor unit/units after Testing.

(D) Raking out the breaker Trolley from HT panel , checking , through cleaning, making all components OK of the faulty trolley, racking in the breaker unit and Successfully recharging the system in Normal operation with all safeties in operation mode.

Arranging for successful testing of executing of works for the following equipment of 33 KV sub-station & allied area as per instruction of department/Engg. In charge :-

1. Filtering of Transformer oil from both transformers by continuous running method.

2. Insulation Resistance, PI test of both 2.5 MVA Transformers.

3. BDV, DGA and acidity test of both transformer oil from CPRI laboratory.

4. Insulation resistance, PI tests of 33 KV VCBs.

5. Contract Resistance and duty cycle of 33 KV VCBs.

6. IR & PI, Ratio, Polarity test of CTs.

7. Resistance value of all earth pits of 33 KV sub-Station. (including pit cleaning, painting)

8. Temp. Calibration of WTI / OTI of 2 no’s (each 2.5 MVA) Transformer.

9. P.T. testing from W.B.S.E.D.C.L. authorized test centre (Abhikhan /as applicable)

10. cable opening & relaying for jointing (400sq mm X 3.5C Al )

11. Labor cost for cable jointing (400sq mm X 3.5C Al )

12. Feeder panel–I spray Painting (back side LVH Dining) 1 coat primer & 2 coat paint. (Paint make – Asian paints)

13. Different type of LT ACB breaker breakdown/repairing servicing cleaning , testing & running.

14. Extra duty for convocation, and any VIP programs. (as per instruction of engineering in charge)

14.Detection of exact position of fault in the following Electrical Cable/cables laid underground with surge generation method / latest similar technology by deploying authorized team of CESC/WBSEDCL/Similar authorized body :- (a) Single cable upto 400 sq. mm laid underground.

14.Detection of exact position of fault in the following Electrical Cable/cables laid underground with surge generation method / latest similar technology by deploying authorized team of CESC/WBSEDCL/Similar authorized body :- (b) Two cables each upto 400 sq. mm laid underground The test result of exact position of the fault should be available on the same day of testing. Job under Sl. 3 includes all work , charges required to attain successful / desired value as per norms / instruction of Department/Engineer in charge. Job also include submission of valid test certificate acceptable by statutory body / licensing authority.

Supply of The Following Materials:-

1. Transformer Oil (as per existing transformer Oil.)

2. Cable jointing Kit (300sq to 400 sq mm X 3.5C Al ) including socket.

3. Capacitor Duty Contractor. Make L&T.

4. Auxiliary Contractor. Make L&T

6. Analog PF Meter 96 sq mm. Make- AE

7. 16 sq mm flexible copper wire. Make- Fenolex/ KEI/ polycab.

8. 25 KVAR Cylindrical Type Capacitor 440V Heavy Duty Gas Filled. Make L&T

9. New Capacitor complete fitting after dismantling the old capacitor and also supply of necessary Indicator lamp found faulty in capacitor panel along with necessary Socket, Lugs etc.

10. Supply and installation of battery, 100Ah,12V, dry cell. Make- Exide.

11. Any job which is not part of the schedule but is required to be executed will be done on submission of oroginal GST bill/rate analysis as per market rate.10% profit will be given on original bill.

NOTE : i. If any other item/ items required or may be procured by the vendor other than the items listed in the BOQ, the vendor will submit their original GST bill and 10 % profit will be paid on the bill Base price amount. ii. Sl. No. 2 of BOQ will be fixed and not be affected by the percentage quoted by the vendors. The firm should have the essential test equipment in their own property such as A) Megger & Tong tester B) Breaker contract resistance measuring instrument C) Earth resistance measuring Instrument D) High voltage Testing set up to 80 kv E) Primary Injection test set F) Relay testing set G) Breaker closing & opening measuring instrument.

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