REPAIR MAINT OF ELECTRICAL CONTROL SYSTEMS OF CENTRAL AC PLANT, AHUs, FCU, CSUs, DX TYPE AC PLANTS, PACKAGE AC PLANT, AIR COMPRESSORS AND REPAIR ROUTINE MAINT OF PACKAGE ACs, DUCTABLE ACs AT INS VENDURUTHY AREA, INHS SANJIVANI, INS GARUDA, MOK AND

Amount

Material and Labour for servicing of chilller/condensor pump of capacity up to 5 HP including disconnecting & dismantling, replacement of unserviceable bearings, water seal, glandbush, suitable gaskets/rubbers, nutbolts, terminal box and gland packing including reassembling, painting and refixing the same location complete all as specified and directed by Engr in charge.

All as per item No 1 but 7.5 HP to 10 HP capacity complete all as specified and directed.

All as per item No 1but 12.5 HP to 15 HP capacity complete all as specified and directed.

All as per item No 1 but above15 HP and upto 25 HP capacity complete all as specified and directed.

Dismantling of electric motor 3 phase 415 V 25 HP to 60 HP, transport to local work shop and taking out of bearing and re-metaling the bearing housing shaft, including rewinding with same gauge super enamelled copper insulated wire winding, turning to the required size, cleaning of stator, varnishing, drying, re-assembling, painting the motor to bring in original state including fixing on the chiller units, aligning and testing complete all as specified and as directed by Engr-in charge.

M&L for Servicing/repairing of pump starter panel of capacity up to 5 HP (DOL) of chiller/ condensor pump / CT motor/compressor motor in AC plants, including decarbonizing, tightning of control cable terminations, cable glands, and end termination crimping by attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Koch. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 200 Rs per unit shall be included in the above quoted rate

M&L for Servicing/repairing of pump starter panel of capacity upto 5 HP Star delta type of chiller/condensor pump/CT motor/compressor motor in AC plants, including decarbonizing, tightning of control cable terminations,cable glands, and end termination crimping by attending with skilled Electricians and helper , with neccessary T&P for checking and make functional at Various locations in Naval base Koch. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 200 Rs per unit shall be included in the above quoted rate

All as per item No 7 but for capacity of 7.5 HP to 12.5 HP complete all as specified and directed.

All as per item No 7 but for capacity above 12.5 HP to upto 25 HP complete all as specified and directed.

All as per item No 7 but for capacity above 25 HP to upto 50 HP complete all as specified and directed.

Supply and fixing in replacement of LED light batten fitting of 20W,230Volt,along with copper cable as required for connecting existing points at inside AC plants/AHUs complete all as specified and directed.

Supply and fixing in replacement of single core copper cable of size 6 sqmm connection along with copper lugs in existing starter connections/pump/motor connections etc complete all as specified and directed

Supply and laying in replacement pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 10 Sqmm 4 core complete all as specified and directed

Supply and laying in replacement of pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 16 Sqmm 4 core complete all as specified and directed

Supply and laying in pipes/along wall/roof/across drain XLPE insulated screened PVC bedded galvanised steel strip or wire armoured electric power cable (Heavy duty) with stranded aluminium conductor 1100 Volts grade of size 25 Sqmm 4 core complete all as specified and directed

Supply and replace power contactor MNX-18 to 22, 18 Amps, TP, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor all as specified and directed.

Supply and replace power contactor MNX-25, TP, 25 Amps, 415V of coil voltage 220 V with aux contact 1 NO/1 NC including taking down the old unserviceable contractor all as specified and directed.

Supply and replace power contactor MNX-32, 32 Amps TP 415V of coil voltage 220V with aux contact 1 NO+1NC complete all as specified and directed

Supply and replace power contactor ML Type/ MNX-40, 40 Amps, TP, 415V of coil voltage 220v with aux contact 1 NO+1NC complete all as specified and directed

Supply and replace power contactor MNX-50, 50-70 Amps, TP, 415V of coil voltage 230v with aux contact 2 NO+ 2 NC complete all as specified and directed

Supply and replace power contactor ML/ MNX-95, 95 Amps, TP, 415V of coil voltage 230V with aux contact 2 NO+ 2 NC complete all as specified and directed

Supply and replace power contactor MO,up to capacity 18 Amp-20 Amp, 415V of coil voltage 220 V with aux contact 2 NO+2 NC including taking down the old unserviceable contractor all as specified and directed.

Supply and replace add -on Aux contact block front mounting of 2 NO + 2 NC suitable for MNX contactor 9-80A, 3P, complete all as specified and directed

Supply and replace power contactor MO, 25 - 45 Amps complete all as specified and directed

Supply and replace thermal overload relay for ML/MO/MNX contractors capacity up to 42 Amp all as specified and directed delay range 6 to 42 Amps complete all as specified and directed

Supply and replace STAR DELTA timer with coil voltage 230/415V for 3-30 sec range all as specified and directed

Supply and replace timer ET 100 electronic coil voltage 230/415V for 3-10 sec range all as specified and directed.

Supply and replace single phasing preventer, suitable for 380V-415V , AC all as specified and directed.

M&L for attending breakdown call for electric fault in AC plant LT panel for MCCBs/Electric LT panel busbar recondtioning,cable gland and end termination crimping of 3 Ph elect supply LT cables, any type of electrical complaint pertains to AC plants with skilled electricians and helper , with neccessary T&P for checking the equipment at various locations in Naval base Kochi, find out the faults to the equipments (including replacement of minor parts such as lugs, fuses, wires, nuts, bolts, washers etc) complete and rectification of minor problems to make the plant functional all as directed by the Engr- in-Charge. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Minor spares up to 100 Rs per unit shall be included in the above quoted rate (iii) A penalty of Rs 1000/- per day will be deducted if the complaint left not attended within 24 hrs.

Supply and replace MCCB 415V, 36 KA, 4 pole DN 3, 400 Amp with spreader terminals, including taking down unserviceable MCCB all as specified and directed.

All as per item No 30 but of DN 2, 25KA, 4 pole,capacity 200 - 250 Amps,415 Volt complete all as specified and directed

All as per item No 30 but of DN 0, 25 KA,100 - 125 Amps, 4 pole complete all as specified and directed

Supply and replace MCB, TPN 20-32Amp,C curve, 10 KA including taking out old unserviceable MCB, all as specified and directed.

All as per item No 33 but of TPN 63 Amps,C curve, 10 KA. complete all as specified and directed

All as per item No 33 but of Capacity ,TP 20-32 Amps,C curve, 10 KA complete all as specified and directed.

All as per item No 33 but of Capacity ,TP 40-63Amps,C curve, 10 KA complete all as specified and directed

Supply and fixing in replacement of fully automatic star-delta starter in sheet metal enclouser of type MK with capacity upto 12.5 HP/9.3KW suitable for Motor Rating AC-3, 415V,50H,complete all as specified and directed.

Supply and replace digital Voltmeter 3 phase all as specified and directed. Make : L&T or equivalent

Supply and replace digital Ammeter 1/5A, 3 phase all as specified and directed. Make : L&T or equivalent

Supply and replace power contactor MNX-12, TP, 240V of coil voltage 220 V with aux contact 1 NO contactor including taking down the old unserviceable contractor all as specified and directed.Make : L&T or equivalent

Supply and replace add ON Aux contact block front mounting of 1 NO + 1 NC suitable for MNX contactor 9-80A, 3P, complete all as specified and directed.Make : L&T or equivalent

Supply and replace MN2 4.5-7.5A Relay complete all as specified and as directed.

Supply and replace MN2 6-10A Relay complete all as specified and as directed.

Supply and replace MN2 9-15A Relay complete all as specified and as directed.

Supply and replace MN2 14-23A Relay complete all as specified and as directed.

M& L for painting of central AC plant cooling tower with two coats of synthetic enamel spray paint of existing colour paint after preparation of existing surface upto 100 TR capacity all as specified and as directed

M& L for painting of central AC plant cooling tower with two coats of synthetic enamel spray paint of existing colour paint after preparation of existing surface above 100 TR and upto 240TR capacity all as specified and as directed

M& L for painting of central AC plant 3 x upto 75 TR for Three chilling units i.e including of compressors,condensers, pumps and motors frames, panel board complete including chiller and condensing water pipe lines (appx length - 25 mtr) with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and marking SM/ MES numbers etc all as specified and directed.

Material and Labour for refilling catridge at ceiling mounted ABC type fire extinguisher and producing safe working certificate for 01 years of capacity upto 5 Kg including dismantling, transporting and replacing of pressure gauge (if found unserviceable) and refixing to the existing location all as specified and directed by Engr-in-Charge.

Material and Labour for refilling catridge at ceiling mounted ABC type fire extinguisher and producing safe working certificate for 01 years of capacity upto 5.5 Kg to 10 Kg including dismantling, transporting and replacing of pressure gauge (if found unserviceable) and refixing to the existing location all as specified and directed by Engr-in-Charge.

Material and Labour for repair of LT electric panel door with lock arrangements after executing necessary repairs such as cutting, welding the door with panel using hinges, grinding such as to set the door with panel properly complete all as specified and as directed.

Supply and fixing Mild steel plates, plain or chequered, 5mm thick or over in thickness of grade W(Gde- E- 250) quality- B Fe 410-W in available sizes at site complete all as specified and as directed

Supply and fix electric shock proof floor mat near electric panel in AC plant of suitable size 2m x 1m of min thickness 10mm complete all as specified and as directed by Engr-in- Charge

Material & Labour for painting of electrical panel of ac plant of capacity upto 100 TR with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and matching with exisiting colour complete all as specified and as directed.

Material & Labour for painting of electrical panel of ac plant of capacity above 100 TR and upto 240 TR with two coats of synthetic enamel spray paint of existing colour after preparation of existing surface of each unit and matching with exisiting colour complete all as specified and as directed.

Preventive Monthly maintenance of screw air compressor 600 CFM capacity ELGI 50 single stage Model EL06150 FAB No : 202432 with 110 HP motor,air and oil seperator,cooling tower and connected items installed at PEGASUS NAY including the following all as directed and specified by Engineer in Charge for once in every 1 months( 30 days interval) :- (a) Oil check/change (b) Pressure switch setting,Tips condition checking (c) Blow down valve functioning and repair (d) Setting and checking of safety valves (e) Electrical current measurement in full & no load (f) Leakage test in joints (g) Oil leak checking (h) Oil filters check (j) Functioning and repair of control systems (k) Testing of condition of coupling element (l) Functioning and repair of mechanical valves (m) Checking and repair PLC/Gauges (n) Checking of seperator or pre seperator and repair (o) servicing of LT electric panel board of compressor. Note:- Major spares for replacement will be measured and paid seperately under relevent items here in after but cost of labour for replacement shall be deemed included in quoted rate.

Supply only the following spares for the air compressor :-

Oil filter element 220411509 or equivalent complete all as specified and as directed.

Min Oil filter element 220446019 or equivalent complete all as specified and as directed.

Air filter element 220419499 or equivalent complete all as specified and as directed.

Airlube Plus oil 20 L 000998114 or equivalent complete all as specified and as directed.

Separator element 220413270 or equivalent complete all as specified and as directed.

Separator element 220413261 or equivalent complete all as specified and as directed.

Kit Mpv 220371399 or equivalent complete all as specified and as directed.

Blow down valve assy A010029 or equivalent complete all as specified and as directed.

Solenoid valve 220411610 or equivalent complete all as specified and as directed.

Solenoid valve 220470590 or equivalent complete all as specified and as directed.

Kit Pressure Regulator valve 220317599 or equivalent complete all as specified and as directed.

Oil site glass A010018 or equivalent complete all as specified and as directed.

Kit Actuator 220271439 or equivalent complete all as specified and as directed.

Actuator Hose 22047645B or equivalent complete all as specified and as directed.

Gasket tank ST1 20S 220428780 or equivalent complete all as specified and as directed.

Gasket tank ST2 20S 220428790 or equivalent complete all as specified and as directed.

Supply and replacement of capacitor for package type of capcity 5.5 to 17.5TR as suitable for existing plant complete all as specified.

Supply ands fixing in replacement of digital microprocessor control panels for package AC Units as suitable and fitting for existing model of VLRP type range 6/5/4 Make: Blue star/Soft hard or equivalent

Supply and replacement scroll type sealed compressor of capacity upto 5.5 TR 3 phase 415V including removing the existing unserviceable compressor with alteration to existing connections including refrigerent charging of suitable refrigerent up to working pressure as required complete all as directed.

Supply and replacement scroll type sealed compressor of capacity above 5.5 TR - 8.75 TR 3 phase 415V including removing the existing unserviceable compressor with alteration to existing connections includingrefrigerent charging of suitable refrigerent up to working pressure as required complete all as directed.

M&L for Bi-Monthly servicing the ODU + IDU of Package type /Ductable AC of capacity up to 5.5 TR for AC condenser including cleaning of filter cleaning, air blower cleaning, condenser coil and fins clean with solvent material by using pressure water pump, greezing of blowers, servicing fan motors, checking of gas pressure, dismantling, cleaning and refixing of air diffusers etc complete and all as specified and directed.

All as per Item No 62 but capacity of Package type /Ductable AC 7.5 TR to 8.75 TR,complete all as specified and directed by Engr-In-Charge.

All as per Item No 62 but capacity of Package type /Ductable AC 10.00 TR and above capcity complete all as specified and directed by Engr-In-Charge.

Supply and charging Refrigerant Gas R 22 in sealed cylinder all as specified and directed by Engineer in Charge.

Supply and fixing of Hard PVC drain piping. Drain Piping 40 mm up to drain disposal area with nitrile rubber insulation suitable for chilled water drainage complete all as specified and directed.

Supply and replacing of drier filter suitable for package/ductable AC of capacity 5.5 TR - 8.75 TR Make : CatchAll/Indfoss/Danfoss

Supply and replacement of drier filter suitable for package/ductable AC of capacity above 8.75 TR - 16.5 TR and above all as specified and directed. Make : CatchAll/Indfoss/Danfoss

M&L for replacement of motor bearing, pillow block bearing, blower shaft re-metaling, polishing and reassembling upto capacity of Air blower 6600 CFM complete all as specified and as directed.

Supply and replacement of blower unit complete assembly (excluding fan motor) with base frame, belts etc suitable for package/ductable AC of capacity upto 16.5 TR complete all as specified and directed.

Supply and replacement of expansion valves in indoor units of capacity not less than 7.5 TR all as specified and directed.

Supply and replacement of pre filters suitable for package units of capacity upto 16.5 TR complete all as specified and directed.

Supply and replacement of canvas cloth for connection between indoor unit to plenum duct projection branches for existing indoor units complete all as specified and directed.

Supply and replacement of V belt A series suitable for exisitng Package AC indoor units complete all as specified and directed. Make: Fenner

Supply and replacement of V belt B series suitable for exisitng Package AC indoor units complete all as specified and directed. Make: Fenner

Material and labour for leak testing of Package type AC plant of capacity upto 16.5 TR including flushing out old moisturised gas and pressuring with nitrogen gas and kept for 24 hrs as per OEM specifications, vaccumising nitrogen and refilling of refrigent gas complete all as specified and as directed. Note :- 1. Rate for supply and charging of Nitrogen deemed to be included in the above quoted rate and refrigent gas will be measured and paid seperately 2. Empty cylinder will returned to contractor after usage

Material and labour for brazzing/welding work at refrigerent copper pipe lines(suction/discharge) and rectify the fault and recharge the refrigerent as desired level in AC units. Note : (i) Welding mtrl, copper pipe material, welding gas cylinder shall be provided by contractor with his own transport upto near the Package AC plants inside Naval Base . (ii) Supply and charging of refrigerant gas will be measured and paid separatel only

Supply and charging Refrigerant Gas R 407C in sealed cylinder all as specified and directed by Engineer in Charge.

Supply and replace fan blade for condensor motor suitable for package/ductable AC upto capacity 16.5 TR as per existing at site complete all as specified and directed by Engineer in Charge.

M&L for dismantling of Package AC (capacity upto 16.5 TR) condenser fan motor single phase 240 V up to capacity 1 HP taking out of bearing re-metaling the bearing housing, grinding, turning to the required size, cleaning of stator, including rewinding with same gauge copper insulated wire, varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

M&L for dismantling of Package AC (capacity upto 16.5 TR) condenser fan motor three phase 415 V up to capacity 1 HP taking out of bearing re-metaling the bearing housing, grinding, turning to the required size, cleaning of stator, including rewinding with same gauge copper insulated wire, varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

M&L for dismantling of Package AC (capacity upto 16.5 TR) blower motor three phase 415 V up to capacity 3 HP taking out of bearing re-metaling the bearing housing, grinding, turning to the required size, cleaning of stator, including rewinding with same gauge copper insulated wire, varnishing, drying, re-assembling the motor to bring in original state including fixing on the foundation all as directed by Engr-in charge.

M&L for attending day to day complaints pertains to various package AC plant of any capacity up to 8.75 TR as and when required by Ref-Mech/Electrician and helper , with neccessory T&P for checking the equipment at existing location, find out the faults to the equipments (including replacement of minor parts such as decarbonizing,tightning of control cable terminations,cable glands, and end termination,repairing of defective contactors ,push switches,MCBs,or any other defective spares crimpingof lugs,fuses,wires,nuts,bolts,washers,etc) complete and rectification of minor problems to make the plant functional in all respect all as directed by the Engr- in-Charge. Note: (i) Any major work identified while attending the above job shall be measured and paid seperatly under relevant item below as supply and fix (ii) Any breakdown/complaints shall be attend and rectify within 6 hrs. If the complaint is not attended and repaired within 12 hrs, penalty of Rs 2000/- per day will be charged.

All as above item No 83, but capacity of Package AC Units shall be above 8.75 TR to 16 TR.

Supply and charging Refrigerant Gas R 410 in sealed cylinder all as specified and directed by Engineer in Charge.

Repair to thermal insulation of duct complete with skilled labour and necessary equipments complete all as specified and as directed. Note :- (i) The cost for replacement fo nitrile rubber upto 1 sqm to be included in the above item. (ii) Any addl nitrile rubber required beyond 1 sqm for the repair work, the item will be measured and paid separately. (iii) The quoted rate should be included for necessary T&P and Labour.

Taking down any type of false ceiling for AC duct repair work and refix after repair/arresting of water leaking including all requied accessories and make it good complete all as specified and as directed. Note : (i) Any damages made to false ceiling during execution of the above, the same may be repaired/replaced by the contractor without any additional cost. (ii) Cost of additional materials required for making it good as per existing surface deemed to include in the quoted rate.

Supply, laying of GI Pipes including welding, connecting and painting two coat of synthetic enamel paint complete of medium grade with all fittings and fixtures laid in trenches/floors or fixed to walls and ceilings etc. of size 50mm dia complete all as specified and as directed.

Supply and replace of air cooled floor mounted out door unit (condenser unit) for Package AC of capacity upto 8.5 TR or nearest higher availble capacity, .including required foundation for base and installation work as per OEM recommendation with making up good existing walls/floors with existing foundation and matching with indoor finishes, including suitable electric XLPE cable of size as per OEM recommendations for connecting between indoor, outdoor units and fixed on cable Tray complete all as specified and directed.

Supply and replace timer with coil voltage 230/415V for 3-30 sec range all as specified and directed. Make : L&T or equivalent

Supply and replace Sub Zero suitable for operating Package units of capacity upto 8.5 TR complete all as specified and as directed. Make : L&T or equivalent

Supplyt & fixing of Push Button Green with Element complete all as specified and as directed by EIC

Supply & fixing of Push Button Red with Element complete all as specified and as directed by EIC

Supply & fixing of control drive suitable for invertor type Package/ductable AC of capacity upto 8.75 TR complete all as specified and as directed.

AISWARYA ENTERPRISES (BID ID -3366184)