OUTSOURCING SERVICES FOR OPERATION AND MAINTENANCE OF AC PLANTS AT ADA HANGAR EMI EMC AND MISC ALLIED WORKS AT ADE DEBEL BANGALORE

Amount

Manning and Operation of Air Conditioning Plant in summer/Monsoon season through out the year in shifts of eight hours continuous from monday to saturday and carrying out daily/weekly/monthly maintenance and Cleaning , Checking/arresting of refrigerant gas leakages, routine checks like oil level, V-belts checking, electrical control checking, cleaning of cooling tower and dusting of all equipments including first hand repairs upto Rs. 500/-quaterly such as as fixing of gland, replacement of packings, repair of electric junction connection etc, all as directed by Enginer-in-charge for the ADA Hanger / EMI/EMC , (Two shift) having following equipments:- (i) 1 X 16.5 TR +1 x 16.5 TR as standby (ii) 1 X 16.5 TR +1 x 16.5 TR as standby (iii) 2 x 11 TR + 1 x11TR as standby

Note for item NO 1 a). The rate quoted by the contractor is inclusive of dress as approved by GE/ stationary of maintaining daily log sheets/running and maintaining required temperature/proper functioning of plant and obtaining users signature in daily maitenance register and putup the atttendence/maintenance register monthly once to the Engr-in-Charge. b). The rate quoted by the contractor is inclusive of cleaning of cooling tower and complete cleaning of plant and keep the surrounding area of plant. c). Repacement of unserviceable spare parts will be measured/paid under relevant items.. d). Shifts timing for Item No-02 from 0600 to 1400 and 1400 Hrs to 2200 Hrs Minimum operating staff to be emplyoed:- for item No-01, one person in each shift (Total 03 shift) and for item No-02 , 02 shift from monday to saturday.

Disconnecting and dismantling old unserviceable meter gauge panel indoor type supply, installation testing of indoor vertical type gauge panel board made out of 2mm thick MS sheet and GI pipe of medium gauge 80mm dia as per required length comprising of the following :- (a) Suction pressure - 0 to 150 PSI (b) Oil pressure gauge - 0 to 300 PSI (c) COP gauge - 0 to 300 PSI (d) DP gauge - 0 to 400 PSI (e) ON / OFF switch with all type of indicators (f) LP / HP / OP pressure cutouts Note :- (i) All pressure gauges and cut out will be paid separately under relevant item of Schedule A (ii) Quoted rate by the contractor include check and tightening of all connections with meter gauge and replacement of unserviceable copper pipe of 1/4" dia

Supply and fix LP / HP pressure cutouts including taking down old unserviceable pressure cutouts complete all as specified and as directed.

Supply and fix OP pressure cutouts including taking down old unserviceable pressure cutouts complete all as specified and as directed.

Supply and fix water pressure gauge 0 to 50 kgs with SYPHEN connection 50mm dia with ball valve including taking down old unserviceable pressure cutouts complete all as specified and as directed.

Supply and fix removable type factory made metallic pre filters of 20 micron of standard size with GI frame both side including taking out out unserviceable all as directed by Engr in Charge. Make:- Aerosol/Dyna/Maf/Zonflower

Supply and fix factory made high performance bag filters of 99 micron down to 5 micron of standard size with multiple pockets and self supporting filters bags with MS/GI anodised aluminium frame suitable for central AC Plant including replacement of bolts and nuts taking down unserviceable. Make:- Aerosol/Dyna/Maf/Zonflower

M & L for dismantling of unserviceable pump set foundation complete with MS frame and supply and fabricating of MS C type channel heavy grade of 100 x 50m dia complete with making PCC platfrom 1;3;6 C1 suitable for installing pump set upto 7.5 HP capacity all as specified and directed

Dismantling of old insulation from suction pipe line and supply and fixing new chiller pipe line inslulation suitable for upto 80mm dia MS pipe with using vidoflex inslulation made out form 19mm thick nitrile rubber and wrapped with nylon tape and applying two coata of FRP inslulation adhesive and nylon tape complete testing all as specified and directed by Engr-in- Charge

Supply and weld MS C class pipe upto 50mm dia including necessary MS elbows,bends collers etc includig removing of unserviceable MS pipe etc all as specified and directed.

M & L for servicing of electostatic online non chemical water treatment scale preventor 'Scale off' with control panel system installed at various AC plants including replacement of electronic worn out parts if required /replacement of gasket and removing of sludge etc and checking of electronic instrument for proper functioning and checking of electronic instrument complete for entire satisfaction to Engr-in-Charge.

Supply and fix in replacement of electronic controller panel of electostatic online non chemjcal water treatment scale preventor 'Scale off' with control panel system model No 3022 suitable for 1 x 28 TR at A &K plant including making all connection and testing for entire satisfaction to Engr-in -charge

Supply and charging of Refrigerant gas R-22/407C/134a. Make:- Refron/Fluoron/Mefron

Supply and fix roller bearing suitable for upto 80 TR cap AHU shaft and motor including taking out unserviceable roller bearing etc all as directed

Supply and fix tapering type aidjustable type pulley suitable for upto 80 TR capacity AHU shaft including taking down unserviceable pulley etc all as directed

Supply and fix dynmically balanced AHU blower fan centrifugal type made out from high quality aluminium blades suitable for upto 80 TR capacity central AC Plant AHU including taking out old unserviceable AHU blower fan complete etc all as directed.

M & Labour for repair /replacement of complete deterioted /burnt control wiring of AC control panel for all connection of motor/AHU/Chiller and cooling tower etc including items required for the complete wiring like copper wire, lugs, control relay, auxillary contract as per existing complete connection as per existing for entire satisfaction of Engr-in- Charge

Dismantling of unserviceable CT fan motor carefully and supply and fix new CT fan motor upto 3 HP cap alongwith GI frame complete inluding replacement of all reusted botl and nuts complete all as specified and directed.

Supply and fix in replacement of aluminium hub made out from aluminium casting suitable for upto 30 TR capacity cooling tower including 4 Nos blades tc and taking out unsv hub blade all as specified and directed

M & L for dismanlting of old PVC honey comb fills upto 30 tr AC plant and supply and fix new PVC honey comb fills upto 30 TR capacity cooling tower including cleaning of cooling tower by removing sludge with causic soada all as specified and directed.

Supplying laying connection and testing armoured LT copper power cable of size 6 sqmm 3 core laying on cable tray/on wall including prooer clamping all as specified and directed.Make :Universal/Havells/Gloster/Paragon

Disconnecting and removing of the induction motor of under mentioned capacity 415 volts AC from the existing position of the following capacity of any make checking of the motor for its serviceability, transporting to workshop, opening up, cutting and removing of the burnt out winding, rewinding with same gauge of copper conductor and insulting, varnishing, greasing etc., replace 2 Nos of end ball bearings, reassemble including cleaning, oiling, greasing of internal parts, replacement of worn out nut bolts, gland packing etc, testing for proper functioning, bring back to site, refixing back in the original position, reconnecting, commissioning complete all as directed.

(a) Up to 5 HP capacity

(b) Above 7.5 HP to 15 HP

Supply and fixing of shaft seal assembly of any make and model of compressor including removing of the unserviceable shaft seal assembly and testing all as specified and as directed.

Opening dismantling and removing the indoor unit of split air conditioner of cap 1.5 /2 TR and supply & fix new indoor unit of split air conditioner of 1.5/2 TR complete with making all connection all specified and directed by EIC. Make- LG/Voltas/Blue star/Samsung/Carrier or as per existing make and model

Supply and fix in replacement of new hermetically sealed compressor for 1.5 TR capacity split type AC including removing of unserviceable sealed compressor unit etc complete all as specified and directed. Make: Emerson/Tecumshah/toal line

All as per item No-25 above but of 2 TR

Supply and fix in replacement of rotatry/scroll type compressor of cap 4.5 /5TR cap. Make :- Make: Emerson/Tecumshah/total line

Descaling of condensing unit up to 60TR capacity of air-conditioning plants by circulating descaling agent (HCL) through the condensers by forced feed method, removing of the end covers of the condensers cleaning of each tube of condensers thoroughly by the brushing refixing back the end covers of the condensers by removing of the rubber gasket, nut bolts, washers, cleaning of spray nozzles, cooling tower, cup, water line, strainer and testing spray nozzles working pressure all as specified and as directed.

Supply and fix in replacement of DOL starter of AC Plant suitable for uptp 7.5 HP including taking out unservicable DOL starter all as specifed and directed. Make : BCH/L&T/Siemens

Disconnecting and isolating the compressor of Accel /voltas of any model from the existing AC system upto 50 TR by putting dummy plates to suction and discharge valves opening of the compressor, removing of internal parts cleaning of the oil parts thoroughly, replacement of the following parts including thrust washers, minor parts like Nuts, Bolts etc including polishing to the crank shaft, reassembling back all the serviceable parts after complete overhauling, removing of the dummy plates of the compressor including testing& commissioning complete all as directed. Note:- Spare parts & consumables will be measured & paid separately. Charging of compressor oil will be measured & paid separately.

Supply & fix the following spares for Accel /VOLTAS make of existing model compressor including taking down old unserviceable spare parts complete all as specified and as directed. :- a) Main bearing pump and seal end.

Cylinder liner

Piston

Piston ring

Suction Strainer

SV Reeds

Discharge valve assembly

CR Bearing

Gasket Set

Crank shaft

O ring Set with aluminium washer set

Oil pump gear assembly

Valve springs

CR Nut and bolt

Rocker arm frame

Piston Pin

Evacuating of refrigerant gas from the system into empty cylinder for upto 120 TR AC Plant leak testing of the plant with dry nitrogen gas (N2) pressure by separating the entire system like low side, high side compressor condensers and rectifying of the lakage and removing the leakage with necessay brazing , vacummising recharging of evacuated refrigernat gas and testing complete all as specified and directed. Notes: Topping up of refrigerant gas will be measured and paid seperatley.

M & L for removing of unsv printed circuit Assy of Daikin Air conditioning carefully and Supply and fix in replacement printed circuit Assy of VRF /VRV type AC as per existing model including making all connection as per existing all as specified and directed by EiC. Make -DAIKIN Model No- S4015895

M & L for Dismantling of existing unserviceable water cooled shell and tube condenser without damaging the other portion of chiller unit putting dummy plate to inlet and outlet connection Supply, install, testing and commissioning of water cooled shell and tube condenser suitable for 12.5TR capacity chiller ac plant and modification of inlet and outlet connection suitable for existing suction pipe/discharge pipe line all as specified and directed by Engr-in-Charge.

Supply and fix MCCB 4 pole 25KA 250Amps, 415V thermal magnetic release adjustable type all as specified and as directed.

Supply and fix MCCB 3 pole 16KA 100/63/32Amps, 415V thermal magnetic release fixed type all as specified and as directed.

Supply and fix FASD star delta starter suitable 15HP capacity induction motor all as specified and as directed. Make : L&T Type ML-3 or equivalent in BCH / SIEMENS / C&S.

Supply and fix DOL starter suitable 7.5HP capacity induction motor all as specified and as directed. Make : L&T Type ML-2 or equivalent in BCH / SIEMENS / C&S.

Supply and fix contactor 4 pole 40 Amps for heaters etc all as directed.

Supply and fix FASD star delta starter suitable 35 HP capacity induction motor all as specified and as directed. Make : L&T Type ML-4 or equivalent in BCH / SIEMENS / C&S.

Supply and fix single phase preventor suitable ac plant motors and pumps 3phase415 volts Make: L&T/MINILEC/MINITEC/siemens

Supply and fix flexible canvas cloth for AHU mouth of standard size making with fine quality Rexene cloth and providing one no Zip to check the supply air temperature including replacement of rusted bolt and nuts etc complete all as specified and as directed.

RAHUL ENTERPRISES

ESSAR DIESEL SERVICE

UNIVERSAL ENGINEERING

Glacier Cooling Solutions Private Limited