COMPREHENSIVE MAINTENANCE AND REPAIR/ REPLACEMENT OF SPARES OF DG SETS, CENTRAL AC PLANT AND SOLAR PLANTS AT VARIOUS LOCATION UNDER AGE E/M (CG) CHENNAI

Amount

E/M ITEMS

Carrying out 'A' check daily for a period of 01 month shall be considered and measured as 01 Job.

Checking the fan belt and adjusting tension

Checking the fuel and oil filter

Checking the air filter including cleaning and refixing

Checking of FIP oil level

Tightening the base bolts and nuts

Checking the coupling bolts and adjustment checking the self starter and Dynamo

Checking the battery distilled water levels and topping upto the required level.

Checking the panels (Manual as well as AMF) attached to the DG set for loose connections, defects if any in the panel Board and replacement of spares all as directed.

Checking the anti vibration mounting and adjusting the bolt.

Checking the radiator and radiator hose and arresting leak if any

Checking the engine oil level and topping upto the required level

NOTES:- (i) Control switches , MCCB's, contactors, multi display meters , Engine control unit shall be out of scope of the item of work and the rate quoted shall be exlusive for servicing/ maintenance of the above item of work. (ii) Servicing of DG set alongwith connected Alternator and Panel Board including 'A' check of the Engine shall be carried out once in every month (Except during the month when 'B' check is carried out) as directed by the Engineer-in-Charge and the Contractor shall carry out periodical inspections during the maintenenace period and shall be responsible for the smooth functioning of the DG set for a period of 30 days from the date of service and shall also attend all the maintenence / breakdown repairs as and when required in that period except in case of major repairs. (iii) Spare parts required for replacement during the maintenance period shall be measured and paid separately at supply only rates and cost of labour for fixing these spares shall be deemed to be inluded in the rate quoted. (iv) Cost of all consumables required during the maintenance period shall be deemed to be included in the rate quoted for this item. (v) List of checks to be carriedout under 'A' check is attached to the Particular specifications.

NOTES:- (i) Control switches , MCCB's, contactors, multi display meters , Engine control unit shall be out of scope of the item of work and the rate quoted shall be exlusive for servicing/ maintenance of the above item of work. (ii) 'B' check shall be carried out once in every six months or 250 hours of running of DG Set whichever is earlier. Servicing of DG Set alonwith connected Alternator and Panel Board including items covered in 'A' check of the Engine shall also be carried out in that month as directed by the Engineer-in-charge and the Contractor shall carry out periodical inspections during the maintenance period and he shall be responsible for the smooth functioning of the DG Set for a period of 30 days from the date of service and shall also attend all the maintenance / breakdown repairs as and when required in that period except in case of Major repairs. (iii) Spare parts , engine oil and radiator coolant oil required during the maintenance period shall be measured and paid seperatly at supply only rates and cost of labour for fixing these spares/filling of oils shall be deemed to be included in the rate quoted for this item. (iv) Cost of all consumables, diesel / oil filters etc., required during the maintenance period shall be deemed to be included in the rate quoted for this item. (v) List of checks to be carriedout under 'B' check is attached to the Particular specifications.

Checking the tappet clearance and adjustment of valve including replacement of tappet gasket for following DG Sets :-

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only fuel filter pre and secondary including rubber gasket for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only lube oil filter including rubber gasket for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only air filter element including rubber gasket for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set )

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only fan belt of existing size for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only Radiator hose with clip of existing size for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply only rubber coupling of existing size for following DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply and toping up the following items for the DG sets (Cost of replacement deemed to be included in the maintenance part of the DG set)

Engine oil 20 W 40

Distilled water

Coolant

Benzo bolt with washer

Jubilee clamp for fuel pipe

Fuel Flexible pipe with brass or GM adaptor

Oil Flexible pipe with brass or GM adaptor

Flexible reinforced pressure pipe 3/8" dia.

Flexible reinforced pressure pipe 1/2" dia.

Flexible reinforced pressure pipe 1" dia.

Supply and fixing of Expansion bellow for exhaust manifold for following DG sets includung removing of existing

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Draining the engine oil from sump removing the sump cover cleaning the sludge and refixing the same including replacement sump gasket and filling oil for the following Gen sets as per manufactures instructions

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Dismantling the fuel pump from the Engine, transportng to the service center and complete servicing and overhauling of the pump including replacement of service kit ,element, delivery valve, plunger, copper washer etc all as required including re-calibration, refixing and testing complete.

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Dismantling the water pump from the Engine and supply and fixing new water pump of existing size and testing complete.

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Dismantling the fuel AC pump from the Engine and supply and fixing new fuel AC pump of existing size and testing complete.

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Draining out the diesel tank, cleaning / washing out the sludge and re-filling with diesel for following DG set:-

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Taking down radiator, servicing, cleaning of with suitable reagent, washing thoroughly,arresting leakage if any by welding / brazing and refixing the same (Necessary coolant and distilled water required will be measured and paid seperately under Sch item Nos 42 herein before).

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Removing and replacing of Fuel injector pipe for following DG set

DG Set of capacity 600 KVA

DG Set of capacity 320 KVA

DG Set of capacity 250 KVA

DG Set of capacity 200 KVA

DG Set of capacity 160 KVA

DG Set of capacity 125 KVA

DG Set of capacity 100 KVA

DG Set of capacity 62.5/63 KVA

DG Set of capacity 40 KVA

DG Set of capacity 10 to 20KVA

Supply and replacement of following items for DG set of any capacity

Oil pressure gauge.

Battery terminal socket GM including soldering.

Battery terminal leads 1.2 mtr complete with brass connector

Radiator Cap

Fuel Tank Cap with Lock

Door lock of any type and size complete Set.

Door gasket of any type and size complete set.

Carbon brushes for charging alternator

PT Pump repair Kit

Replacement of AVR Suitable for 62.5 to 125 KVA Alternators

Replacement of AVR Suitable for 10 to 40 KVA Alternators

Replacement of AVR Suitable for 160, 200, 250 KVA Alternators

Replacement of turbo chargers repairs kit suitable for DG set 100 to 250 KVA

Supply and replacement of the following items for DG set control panel of any capacity

AC Ammeter digital type

AC Volt meter digital type 0 to 500 volt.

Frequency meter

DC Ammeter.

DC Volt meter 0 to 24 V

lgnition switch with key for on, off and run.

DIN Rail for fixing MCB

MCB SP 6-32 Amps

MCCB 125 Amps, 3 Pole, 415 Volt, 25 KA capacity

MCCB 160 Amps, 3 Pole, 415 Volt, 25 KA capacity

Indicator lamp for panel board as per existing size.

No Volt Coil suitable for 3 phase power contactor 160-200 Amps ratings

Dash board pilot lamp.

Control cable 2.5 sqmm copper Multistranded.

Control cable 4 sqmm copper Multistranded.

Toggle Switch 15 Amps

AMF Relay 12 Volt DC

Battery charging alternator 12 Volt

Temperature Gauge with sensor

Electronic governor

RPM Meter

Door hinges

Oil indicator Sensor

AMF Panel ac relay

Battery charger AC to DC

Contactor 4 pole 200 Amps capacity

Single phase preventor

Speed control sensor

VMR 3P for AMF Panel

Removing dismantling and overhauling of 12 volt stater motor, replacement of armature coil, field coil, bush bearing etc to make the starter motor serviceable complete all as specified and as directed.

Removing dismantling and overhauling of 24 volt stater motor, replacement of armature coil, field coil, bush bearing etc to make the starter motor serviceable complete all as specified and as directed.

Spray painting of diesel generating set of capacity 10 to 40 KVA with acoustic enclosure with one coat of synthetic enamel paint including writing of SM/MES No on engine and alternator, body colour shall be apple green, black for foundation base frame, red for all guards,Complete all as specified and as directed.

Spray painting of diesel generating set of capacity 62.5 to 125 KVA with with acoustic enclosure one coat of synthetic enamel paint including writing of SM/MES No on engine and alternator, body colour shall be apple green, black for foundation base frame, red for all guards Complete all as specified and as directed.

Spray painting of diesel generating set of capacity 160 to 250 KVA open type with one coat of synthetic enamel paint including writing of SM/MES No on engine and alternator, body colour shall be apple green, black for foundation base frame, red for all guards Complete all as specified and as directed.

Supply and fix lead acid battery of size 12 Volt ,100 AH including charging and removing old unserviceable battery of any description and taken as credit complete all as specified and as directed. Make : Exide/ Amaron

Supply and fix lead acid battery of size 12 Volt ,130 AH including charging and removing old unserviceable battery of any description and taken as credit complete all as specified and as directed. Make : Exide/ Amaron/Schneider

Supply and fix lead acid battery of size 12 Volt ,180 AH including charging and removing old unserviceable battery of any description and taken as credit complete all as specified and as directed. Make : Exide/ Amaron

Testing and Commissioning Pressure test in the air conditioning system (Air cooled system / ductable AC) up to capacity of 52 TR with dry Nitrogen upto 300 PSI and rectifiying the leakages , pressure hold upto 300 PSI for 48 Hrs, Vaccumizing the system upto 500 micrones & commissioning the unit, test running etc complete all as per specified & directed. (Refrigerant gas shall be paid seperately)

M&L for Cleaning/descaling of cooling coil fins of AHU of 52TR capacity for oxides, dust and improving the heat transfer capacity by using 50% concentration HCL/H2SO4 cleaning acid and brushing complete all as per specified & directed.

Repairs of Indoor PCB Controls of 52 TR AC complete all as per specified & directed.

Supply & Fixing in replacement of Electronic Thermostate including taking down U/S Old Thermostate as per requirement of site. complete all as per specified & directed.

Supply and fixing in replacement of liquid line filter 5/8 as per requirement of site incl taking down old unsv one complete all as per specified & directed.

Supply and Charging of Refrigerant Gas R-410/407C or OEM recommended for respective system in Froen/Mafron family in sealed cylinders complete all as per specified & directed.

Supply and fill Compressor Oil complete all as per specified & directed. Make : Sheetal (IOC) or equivalent

M&L for Servicing of Compressor Suction and discharge Shut-off Valves by replacing Teflon washers and hard ware for proper functioning complete all as per specified & directed.

S & F for replacement of UNSV "V" belts suitable for 7.5 HP air blower motor size of "V" belt taking down old unsv one complete, all as specified and directed .

Taking down old U/S Solar Modules, Supply, Fixing, Testing and Commisioning Solar Modules 325/335/340/545Wp Silicon Mono Crystalline Complete all as specified in Particular Specification to be fixed on roof top of building over tilted MS frame and complete all as specified and directed by Engr-in-Charge. Make: Approved by MNRE and GOI.

Repair/Maint/Servicing and Calibration of UPS of Different capacity 11KVA-30KVA. Checking the functionality of UPS system.Replacement of the following parts wherever requred during servicing. Servicing shall be done by OEM Personally. 1.PFC Driver 2.Charger pcb 3.SMPS 4.controller 5.Fan module 6.Rectifier, static bypass switch 7.Display and other necessary accessories. Complete all as specified and directed by Engr-in-Charge Note :- Price must include to item from site to desired location.

Supply, laying, testing and commissinoning of LT, D C Cables(color code) Photovoltaic Cables as per IS 7098 part 1 guide Lines for modules to Junction Boxes connections 800V 1Cx6 Sq.mm Annealed Tinned multi stranded Copper cables with required accessories like conduits, glands, cable tie, ferrules as per requiremnt. Electrical Characterstics :- 1.Rated Insulation Voltage: 800 V AC 2. Insulation Rated DC Voltage: 1.1 kV 3 .Working Voltage: DC 800 V 6.Insulation Resistance: 1000 MW-km 7.Spark Test: 6000 Vac (8400 Vdc) 8.Voltage Withstand: 6500 V as per EN50395 for 5 min 9.Ampacity: According to requirements for cables for PV systems .

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