M and R to Barvi water supply scheme Annual maintenance contract for HT VCB panels, 100 KV SF6 GCB and Motorised isolators etc installed at Barvi water works, Jambhul and Barvi Dam

Amount

Sub Est No.01 Annual maintenance contract for HT VCB & panels at Pure Water Pumping Station, Jambhul

Item No.01 Monthly inspection visit for general inspection & checking healthiness of all 3.3 KV VCb panels including VCB at pure water pumping station

Item no.02 Overhauling & servicing of 3.3 KV VCB trolley including detailed inspection & lubrication/greasing of moving parts, checking of mechanical setting, closing tripping plugger gaps, overlap of closing/trip shaft, trip catch linkage gaps, operation counter, tightness of mechanism, intactness of circlips/ split pins, ON/OFF operating of breaker etc. & checking of electrical wiring connections & pole unit assembly bolt with replacement of defective & worn out parts provided by MIDC, checking of all operations such as closing, tripping, spring charging, rack in/ out operation, making VCB ready for operation etc. complete.

Item no.03Labour charges for servicing & preventive maintenance of busbar chamber and cable box chamber . The job involves detailed inspection busbar chamber, cleaning of all conducting & insulating parts, confirming tightness of connections & replacment of defective & worn out parts etc.complete

Item No.04 Supply of spares of 3.3 4.1 Closing coil 110 V DC

4.2 Tripping coil 110 V DC

4.3 Spur gear assembly

4.4 Trip Latch assembly

4.5 Micro switch

4.6 Breaker Aux. Switch

4.7 Spring charging Motor 220V DC

4.8 Bridge rectifier (for 220 V DC Motor)

4.9 Aux. relay type RE 300-220 V for Motor spring charge

4.10 Aux. relay type CRM-110 V for anti-pumping

4.11 Jaw contact

4.12 Motor limit switch

4.13 5 Pole Auxiliary switch

Sub Estimate 02 Annual maintenance contract for HT VCB & panels at RAW Water Pumping Station,Jambhul. Item no.01 Monthly inspection visit for general inspection & checking healthiness of all 6 nos 22 KV VCB panels including VCB at Raw water pumping station

Item no.02 Overhauling & servicing of 22 KV VCB Panel including detailed inspection & lubrication/greasing of moving parts, checking of mechanical setting, closing tripping plugger gaps, over lab of closing/trip shaft, trip catch linkage gaps, operation counter, tightness of mechanism, intactness of circlips/ split pins, ON/OFF operating of breaker etc. & checking of electrical wiring connections & pole unit assembly bolt with replacement of defective & worn out parts provided by MIDC, checking of all operations such as closing, tripping, spring charging, rack in/ out operation, making VCB ready for operation etc. complete.

Item no.03 Supply of spares of 22 KV ABB make VCB Panels 3.1 CLOSING COIL 110V DC

Item no.3.2 TRIPPING COIL 110V DC

Item no.3.3 SPRING GEAR ASSEMBLY

Item no.3.4 TRIP LATCH ASSEMBLY

Item no.3.5 Space heater for 22 KV VCB Panel

Sub Estimate No.03 Annual maintenance contract for 100 Kv SF6 GCB & Motorised Isolators at EHVSubstation, Jambhul Item No.01 SF6 GCB_ Monthly servicing of SF6 breakers including verification of various critical settings involved in pneumatic,

Item No.02 100KV Isolator Preventative Maintenance _ Cleaning of clamps and hardware and its tightness ,general servicing of gear box & Earth box , cleaning and tightness of main and moving contacts , alignment of Isolator , lubrication of fix and moving contacts & contact resistance measurement etc complete .

Item No.04 Providing & refilling / pressure top up of SF6 gas in 145 KV & 33 KV gas circuit breakers at EHV & Raw water Substation

Item No.05 Supply of spares for 145 KV SF6 , CGL make circuit breakers(3 Nos ) 5.1 (a) Set of O ring ( IA P80 , P -18 , Set IAP44 , IA P90 )

5.2 (b) Control Valve seat

5.3 (c) Muslin Cloth

5.4 (d) 3 Bond compound 50 gm

5.5 (e) Set of circlip / split pin / Dowel pin etc

5.6 (f) Check Valve (NRV)

5.7 (g) Safety valve

5.8 (h) Trip Coil_110 V DC 2

5.9 (i) Close Coil _ 110 V DC

5.10 (j) Compressor tune up kit ( Elgi Model HP11160)

5.11 (k) Heater

Item No.06 Supply of spares for 145 KV ,ABB make circuit breaker type LTB145D1/B (ABB make GCB -2 Nos) 6.1 (a) Close Coil 110 V DC_ Number EXIN-400834-R9

6.2 (b) Trip Coil 100 V DC _ EXIN -400834-R9

6.3 (c) Switching Element, ( Yellow/Blue )

6.4 (d) Motor 220 V AC/DC_EXIN-300802-R1

Item No.07 Rebate for old dismantled / damaged materials

Sub Estimate NO.04 Annual maintenance of LT ACBs installed at Barvi water works, Jambhul.for the period of 1 years. Item No.01 Providing maintenance of ACB of allrange with ACB manufacturer consisting of all the essential consumable like grease, cleaning spray, dusters, scrubbers and hardware required and carrying out necessary corrective maintenance of ACB complete.(excluding required spare prices).

Item No.02 Supply of spares for ACB 2.1 Supply of terminal adaptor for Draw out type L&T ACB , 400A-800A, N/S/H,(Vertical/Horizontal).

2.2 Supply of closing release (CR) each 220-240V AC/220-250V DC for Draw out type L&T ACB, 400A-2000A

2.3 Supply of shunt release (SR) 220-240V AC/220-250V DC for Draw out type L&T ACB, 400A-2000A

2.4 Supply of under voltage coil for 400/800/1600 amp ACB

2.5 Supply of Jaw contact for 400/800/1600 Amp ACB

2.6 Supply of spring set for Omega L&T ACB 400Amp to 2000 Amp

J D ELECTRIC WORKS (BID ID -6748650)