COMPREHENSIVE MAINTENANCE AND REPAIRS TO DG SETS AMF PANELS OF VARIOUS CAPACITIES INCLUDING NECESSARY SPARE REPAIRS UNDER AGE (I) (AF) COIMBATORE

Amount

Comprehensive maintenance of DG sets for routine/preventive maintenance checks at least once in a month, checking up of engine and alternator for trouble free functioning and attending break downs/ complaints as and when required for smooth functioning, servicing (Oil Changing of DG sets once in contract period) as directed by Engineer-in-charge. The comprehensive maintenance includes the following works:-

(a) Cleaning of air filter.

(b) Checking and adjusting of valve tappet clearance.

(c) Checking of Engine lubrication system, fuel system, air system, cooling system, mechanical adjustments/rectification and electrical system.

(d) Changing of lubricant oil filter if necessary.

(e) Changing/cleaning of fuel pre and fine filter.

(f) Checking and tightening of bolts and nuts.

(g) Checking of flexible rubber coupling.

(h) Checking of charging system of the battery.

(j) Checking of ‘V’ belt and adjusting the tension.

(k) Checking of exhaust turbo charger.

(l) Checking of fuel injector.

(m) Checking and cleaning of breather pipe.

(n) Checking of alternator terminals and cable lighteners etc.

(o) Checking of safety controls operation.

(p) Checking of speed governors and engine shut down for proper functioning.

(q) Checking of proper functioning of self starter and battery charging.

(r) Greasing of generator.

(s) Carrying out preventive maintenance, checking as per manufacturer’s recommendations and to make proper functioning/serviceability of unserviceable RPM meter and hour meter and all engine parameters, gauges throughout the contract period all as directed by Engineer in Charge

(t) The capacity and location of DG sets for which comprehensive maintance to be carried over are as under:-

100 KVA DG set (Raw water pump house).

82.5 KVA DG set ( AFNET).

82.5 KVA DG set (6AFH).

82.5 KVA DG set (Mukherjee Hall ).

40 KVA DG set (30 Single officer ).

25 KVA DG set (IT FACULTY).

62.5 KVA DG set (43 S/Os Fire fighting).

25 KVA DG set ( 43 S/O's).

7.5 KVA DG set (logistics section).

(u) Note :- (i) The comprehensive maintenance includes carrying out preventive maintenance including replacing all the unserviceable/ worn out minor/major spares to keep the the DG set for trouble free functioning. (ii) Contractor's labour has to attend the breakdown at any time during the contract period. (iii) The rate quoted deemed to include all the minor spares such as screws, clips washers, distilled water, electrolyte etc and other spares will be measured and paid separately under appropriate items of BOQ here in after.

Terms and conditions for item No 01 is as under:- (a) Cleaning the DG set complete including panel boards with clean cotton wastes, checking of lubrication systems, checking of fuel systems, checking of air systems, checking of cooling systems and any other leakages. (b) Top up the distilled water, apply petroleum jelly to battery terminals ,check acid density of the battery by means of hydrometer to recharge the battery if necessary and to run the engine and to watch sound level, noise and smooth functioning and to record the parameter like LOP, LOT, WT, AMPs, volts, Hz, RPM etc.

Supply only set of fuel pre-filters and fine filters as per sample and make of the following capacities of DG sets (fixing under srl item No 01). :- Note: Each set comprising of the complete pre/fine filters required at site.

(a) 100 KVA DG set (Raw water pump house).

(b) 82.5 KVA DG set ( AFNET).

(c) 82.5 KVA DG set (6AFH).

(d) 82.5 KVA DG set (Mukherjee Hall ).

(e) 40 KVA DG set (30 Single officer ).

(f) 25 KVA DG set (IT FACULTY).

(g) 62.5 KVA DG set (43 S/Os Fire fighting).

(h) 25 KVA DG set ( 43 S/O's).

(j) 7.5 KVA DG set (logistics section).

Supply only set of lub/engine oil filters as per sample and make of the following capacities of DG sets (fixing under srl item No 01) :-

(a) 100 KVA DG set (Raw water pump house).

(b) 82.5 KVA DG set ( AFNET).

(c) 82.5 KVA DG set (6AFH).

(d) 82.5 KVA DG set (Mukherjee Hall ).

(e) 40 KVA DG set (30 Single officer ).

(f) 25 KVA DG set (IT FACULTY).

(g) 62.5 KVA DG set (43 S/Os Fire fighting).

(h) 25 KVA DG set ( 43 S/O's).

(j) 7.5 KVA DG set (logistics section).

Supply only flexible fuel pipes with banjo bolts and nuts as per sample length and size to meet the requirement of site condition.

Supply only battery terminal clamp made up of brass with bolts and nuts.

M & L for servicing of radiator assembly complete for cleaning, cooling water spaces, and replace unservicieable rubber hose, pipes, circlip, clamps, cleaning of radiator mix with appropriate cleaning agent, de-scaling by means of scale solvent as well as neutralizing agent to arrest leakages by means of brazing etc. all as directed by the Engineer-in-charge of following capacities: Note: These servicing includes necessary replacement of gaskets, sealing rings, cleaning agents etc all as directed by Engieer in Charge.

(a) 100 KVA DG set ( Raw water pump house)

(b) 82.5 KVA DG set (AFNET)

(c) 40 KVA DG set (Fire fighting pump house)

(d) 25 KVA DG set (Ra water pump house for 43 S/O's)

Supply only fan belts of following capacities of DG set as per sample size all as directed. (Make : Fenner/Dunlop) (Fixing under Sl Item No. 1). :-

(a) 100 KVA DG set (Raw water pump house).

(b) 82.5 KVA DG set ( AFNET).

(c) 82.5 KVA DG set (6AFH).

(d) 82.5 KVA DG set (Mukherjee Hall ).

(e) 40 KVA DG set (30 Single officer ).

(f) 25 KVA DG set (IT FACULTY).

(g) 62.5 KVA DG set (43 S/Os Fire fighting).

M & L for checking/servicing and overhauling/ calibration of the fuel injection pump with injectors of following capacities of DG sets. Note: The rate is deemed to be included for necessary sealing rings, ‘O’ rings if needs replacement etc and render necessary test/servicing certificate from the authorized dealer.

(a) 40 KVA DG set (Fire fighting pump house)

(b) 25 KVA DG set (IT FACULTY)

Comprehensive maintenance of the Control panels/AMF panels/DG Panels, Alternator terminals, including routine/preventive maintenance checks at least once in a month for trouble free functioning and attending breakdowns/complaints as and when required . The type of work/ maintenance to be carried out during comprehensive maintenance are as under all as directed by Engineer-in-charge Note: Items required for replacement shall be measured under Sl Item No. 9 to 26 as supply only. Fixing, checking and testing charges of these items shall include in Comprehensive maintenance.

(a) Checking, tightening all electrical connections.

(b) Checking, tightening all contact points/Bus bars.

(c ) Checking, setting/replace timers (AC or DC).

(d) Checking/replace push buttons.

(f) Checking/ replace indicator lamps.

(g) Checking/ replace main, auxillary contactors, relays

(h) Checking/replace contactor coils

(j) Checking/replace volt/amp/energy /PF/KWH/ multifunction meters/CT's

(k) Checking Auto/manual function.

(l) Checking,tightening the screws, bolts and any other fastening accessories.

(m) Checking battery charger and its output

(n) Cleaning the panels, contactors, MCCB/ MCB terminals, removing the carbon deposits by using CTC as cleaning agent.

(o) Checking/replace the alarms/hooters

(p) Checking/replace control wiring, ferrules,lugs (copper/aluminium)

(q) Proper settings of AVR/IEVR etc

(r ) To check insulation resistance test between phase and earth, phase to phase for starter and rotar windings and to apply approriate insulating varnish if dried up etc.

(s) The list of DG Sets whose panels to be serviced are as under:-

100 KVA DG set (Raw water pump house).

82.5 KVA DG set ( AFNET).

82.5 KVA DG set (6AFH).

82.5 KVA DG set (Mukherjee Hall ).

40 KVA DG set (30 Single officer ).

25 KVA DG set (IT FACULTY).

62.5 KVA DG set (43 S/Os Fire fighting).

25 KVA DG set ( 43 S/O's).

7.5 KVA DG set (logistics section).

Servicing/Overhauling of battery charging sets of capacity 2 x 12 volts of any make and model.

M & L for radiator anticorrosive coolant conditioner properly mixed up with the radiator water.

Supply and filling engine oil 20 W 40

M&L for drain out the diesel from the diesel tank thoroughly to clean the dirt/sedimentation in the tank , refilling the diesel to the tank and all as specified and directed by the Engineer-in-charge for the following capacities of DG sets:- Note: (i) Container for drain out of DHPP to be provided by the contractor.. (ii) The rates deems to be inclusive of two coats of red oxide primer and one of coat of anti corrosive enamel paint including marking of level of tank.

(a) 100 KVA DG set (Raw water pump house)

(b) 82.5 KVA DG set (6AFH & AFNET)

(c ) 82.5 KVA DG set (Mukherjee Hall ).

(d) 40 KVA DG set (Fire fighting pump house)

(e ) 25 KVA DG set (IT FACULTY)

(f) 25 KVA DG set (Raw water pump house for 43 S/O's)

(g) 7.5 KVA DG set (logistics section)

M&L for servicing the 12 volts lead acid batteries 25 plates including reconditioning, replacing the old electrolyte, refilling the batteries with fresh electrolyte, recharging the batteries to its required specific gravity and re-fixing and testing all as directed by Engineer-in-charge.

Supply only MCCB 63 amps breaking capacity 25 KA, 3 Pole suitable for for Control panel/AMF panel.

Supply only Main contactor suitable for 100 KVA AMF Panel

Supply only Main contactor suitable for 40 KVA AMF Panel

Supply only Main contactor suitable for 25 KVA AMF Panel

Supply only Main contactor suitable for 7.5 KVA AMF Panel

Supply only Auxillary/Control contactors (2NO, 2NC) of suitable ratings for AMF Panels.

Supply only Plug in relay 12 V DC 8/11 pins suitable for for AMF Panels

Supply only battery charger (ie step down tfr)of ratings 100VA,220-240V/12-14-16 volts suitable for AMF Panels

Supply only battery charger (ie step down tfr)of ratings 200VA, 415 volts / 0-18 volts suitable for AMF Panels

Supply only Rheostat variable type suitable for old conventional type AMF Panel

Supply only multifunction digital meter (in lieu of voltmeter, ammeter, PF meter)suitable for new version AMF Panels

Supply only single phase preventor of suitable rating for Control panel/AMF panel

Supply only CT's of suitable rating for Control panel/AMF panel

Supply only fly wheel ring suitable for 100 KVA DG Set.

Supply only fly wheel ring suitable for 82.5 KVA DG Set.

Supply only fly wheel ring suitable for 25 KVA DG Set.

Supply and fix lead acid battery 12 V 150 AH,

Supply and replacement of hinges of canopy door of DG set.

Supply and fix AVR (Automatic Voltage Regulator) of generator cpacity 62.5 to 100 KVA of Kirloskar make suitable for existing specification complete all as specified and directed.

ANAND REFRIGERATION