REPAIR/MAINT OF DG SETS AND CONNECTED E/M WORKS AT AF STN MOHANBARI UNDER GE (AF) MOHANBARI

Amount

Disconnecting and taking down the defective self starter of any make from the DG set , transporting to civil workshop dismantling the same to take out defective parts and repairing by replacement of carbon brushes, armature coil, field coil, bush, bearings and bendix pinion, clutch assembly and other related components, reassembling & shifting to original location, refixing on the DG set , making all connections and testing for smooth functioning complete all as directed for DG set of capacity 15 KVA to 35 KVA. Note :- Self starter of same type and capacity shall be arranged by the contractor and fixed at the DG set for the duration the original one is under repairs. Unit rate quoted will be deemed to include the expenditure for the same and no extra payment shall be made on this part.

All as per item No 1 above but capacity 50/75 KVA

All as per item No 1 above but capacity 82.5/100 KVA

All as per item No 1 above but capacity 750KVA

Supply and replacement of ( AVR ) automatic voltage regulator Diode forward and reverse, rotating rectifier assembly, half wave phase controlled thyristor type, complete all as per existing type & size for DG set of capacity 15 KVA.

All as per item No 5 above but 30 kVA

All as per item No 5 above but 35kVA

All as per item No 5 above but 82.5 kVA

All as per item No 5 above but 100 kVA

All as per item No 5 above but 50 kVA

Disconnecting and taking down the leaking radiator from DG set engine , transporation to civil workshop for repairs , cleaning the complete radiator for detecting the leakage and repairing the leaking portion (Tubes/fins/tank etc) by soldering/brazing ,cleaning of all water tube with suitable cleansing agent & water preasure & removing the complete sludge and dust from inside the tank, replacing worn out hose pipes & clamps etc, shifting & refixing at original site and testing for proper working complete all directed for the DG set with capacity 15 kVA

All as per item No 11 above but 50 kVA

All as per item No 11 above but 75 kVA

All as per item No 11 above but 100 kVA

All as per item No 11 above but 82.5 kVA

Disconnecting and taking down the defective dynamo from the DG set engine, shifting to civil workshop for repairs, strip opening to remove unserviceable parts , repairing by replacing of armature coil, carbon brush, field coil, clutch patti bearing, refixing magnetic steel laminates, replacing pole head and pole shoe, bearings of shaft ball/roller/sleeve type, and other related items of the assembly , re-assembling and refxing the same on original position and testing complete for the DG set of capacity 100/82.5/75 kVA

All as per item No 16 above but 50/35 kVA

M & L for opening the tappet covers of the engine of the DG set of capacity 750 KVA of any make and carry out repair works such as checking and adjustment of tappet clearance, cleaning piston and cylinder heads by removing carbon deposits , checking general condition of the engine, checking and adjustment of opearting parameters, checking and adjustment of fuel timings, checking and adjustment of fault warning system, checking & tightening of various fasteners and connections, refixing the tappet covers incl replacing the worn out gaskets/nuts/bolts/washers etc complete all as directed.

All as per item No 18 above but 15 KVA.

All as per item No 18 above but 50/82.5/100 KVA.

Servicing of DG Set 750 KVA capacity of Make :- Cummins , taking down worn out replaceable parts such as fuel filters (Primary and secondary) , by pass filters, lube oil filters, air cleaner filters, water separators filters,lube oil flexible pipe, hose pipes, clamps etc and replacing the same with same size, make and capacity of parts, and including testing complete all as specified and directed. Note:- (i) Spare parts shall be measured and paid for saperately under respective items here in after. (ii) Servicing will be carried out by authorised agent as approved by GE.

Supply only the following items for 750 KVA capacity DG set :-

Fuel filter assembly with 'O' rings

Lube filter assembly with 'O' rings

Bypass filter assembly with 'O' rings

Water separator with 'O' rings.

Air cleaner element set.

All as per item No 26 here in before but 100/82.5 KVA capacity DG set

Supply only the following items for 100/82.5 KVA capacity DG set :-

Fuel filter assembly with 'O' rings.

Lube filter assembly with 'O' rings.

Bypass filter assembly with 'O' rings.

Water separator with 'O' rings.

Air cleaner element set.

All as per item No 26 here in before but 30/35/50 KVA capacity DG set

Supply only the following items for 30/35/50 KVA capacity DG set :-

Fuel filter assembly with 'O' rings.

Lube filter assembly with 'O' rings.

Bypass filter assembly with 'O' rings.

Water separator with 'O' rings.

Air cleaner element set.

All as per item No 26 here in before but 15 KVA capacity DG set

Supply only the following items for 15 KVA capacity DG set :-

Fuel filter assembly with 'O' rings.

Lube filter assembly with 'O' rings.

Bypass filter assembly with 'O' rings.

Water separator with 'O' rings.

Air cleaner element set.

Material and labour of overhauling of injecter nozzles including replacement of nozzles, washers, etc and pressure setting as required and replacement of timing shaft with coupling all as directed by Engineer-in-charge for DG sets of 750 kVA capacity

All as per item No 30 above but 100 kVA

All as per item No 30 above but 82.5 kVA

All as per item No 30 above but 35/50 kVA

All as per item No 30 above but 15 kVA

Disconnecting and taking down the fuel pump from the DG engine, transporting to civil workshop and repair & calibration of FIP of DG Set including replacement of plungers, washer manifold, injection nozzles etc all as required and testing after refixing on engine and setting the rated RPM all as specified and directed for DG set of capacity 750 kVA

All as per item No 35 above but 100 kVA

All as per item No 35 above but 82.5 kVA

M&L for draining out the engine oil from the sump, opening the sump cover cleaning properly to remove old oil stucked to the surfaces, replacing the worn out gaskets/nuts/bolts/washers & refixing the sump cover complete all as directed for 750 KVA capacity DG set engine complete all as directed.

All as per item No 38 here in before but 100 KVA capacity DG set.

All as per item No 38 here in before but 82.5 KVA capacity DG set.

All as per item No 38 here in before but 50 KVA capacity DG set.

All as per item No 38 here in before but 35 KVA capacity DG set.

All as per item No 38 here in before but 30 KVA capacity DG set.

All as per item No 38 here in before but 15 KVA capacity DG set.

Supply and filling engine oil grade 15W40 premium grade complete all as directed .Make :- Castrol/HP/Servo

Supply and filling distilled water in batteries for top up complete all as directed .

M&L for draining out old coolant from the engine radiators of DG Sets of any capacity and make, flushing the radiator tubes with distilled water and filling with new coolant, refixing the drain plug properly and filling the complete radiator with new pre mixed coolant complete all as specified and as directed.Make: Servo/HP/Castrol

Supply and fixing in repairs heavy duty copper cable battery leads (Red and black ) compete all as specified and as directed.

Supply and fixing in repairs heavy duty brass terminals (as per sample) suitable for battery terminals compete all as specified and as directed.

M&L for reparing the doors of sound proof encloser of 50 KVA to 100 KVA DG Set for proper closing and locking using new SS hinges/door handles / in built locks complete all as per existing and as directed

All as per item No 50 above but 15 KVA to 35 KVA DG set

M & L for decoupling the alternator from the engine , taking down from the foundation, transportation to civil workshop, dismantling complete to take out the rotor assembly, properly cleaning of alternator /stator windings/bearings etc with blower & dry cloth, varnishing & drying up of the windings in suitable furnace to improve insulation value, greasing of the bearings with high quality grease, tightening of terminal connections incl replacing worn out sleeves/ nuts/bolts/washers etc, re-assembling complete, shifting back & refixing at original position, making perfect alignment with the engine and testing all as specified and as directed for the DG set of Capacity 35 kVA

Supply and replacing LED type indicator lamp red, yellow or blue complete all as specified and as directed.

Supply and replacing V belt set ( for fan & alternator) for 750 KVA DG set engine of make Kirloskar/CG/Cummins etc all as per existing complete all as specified and directed

All as per item No 54 here in before but 100 KVA capacity DG set.

All as per item No 54 here in before but 75 KVA capacity DG set.

All as per item No 54 here in before but 50 KVA capacity DG set.

All as per item No 54 here in before but 35 KVA capacity DG set.

Material and labour for Painting to the DG Sets of 30 to 100 KVA capacities by preperation of old painted surfaces, cleaning & removing of existing rust grease oil spot etc, priming with aluminium red-oxide and then applying 1st grade of synthetic enamelled spray paint (two coat) of approved make, brand and colours (includes cost of paint) including fuel tank, foundation base, exhaust pipe and panel board incl writing SM/MES Number in approved style and color complete all as specified and directed. Note: Contractor will apply one layer of grease over specification plate / any written letter before painting and clean same after painting. Rates for same is deemed to be included into item quoted rates.

S & F in replacement Sealed Maintenance free lead acid battery 12 volts 180 Ah complete all as specified and as directed. Make : Exide/ TATA GREEN /Amaron

KP GHOSH AND CO

M/S RK Trading

HIND CONSTRUCTION

R K CHAKRABORTY AND CO

M/S P R SINGH AND SONS

M/S D G ENTERPRISE

D N ENTERPRISE