OUTSOURCING SERVICES FOR OPERATION OF CENTRAL TYE AC PLANT AT FLIGHT SIMULATOR EMI EMC AND MAINTENANCE OF AC PLANT

Amount

Manning and Operation of Central Type Air Conditioning Plant in summer/Monsoon season through out the year in shifts of eight hours continuous from monday to friday 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 Flight Simulator Bldg AC Plant , EMI/EMC Lab Bldg in ADE (One shift) having following equipments:- (i) 2 x 8.5 TR (ii) 2 x 10 TR+1 x 10 TR without standby.

Notes for Item No-01 1.The unit rate quoted shall be for deploying suitable operator/mechanic to run the plant for one month (working days in a week shall be from Monday to Friday excluding holiday). 2. The rate quoted by the contractor is inclusive of dress of operator as approved by GE/stationary for 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. 3. 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. 4. Replacement of unserviceable spare parts will be measured/paid under relevant items. 5. Shift timing from 0800 to 1630 hrs with 30 min lunch break .6. Minimum operating staff to be emplyoed:- one person in each shift for each AC Plant 7. Contractor will provide shock treatment chart / plant diagram on each plant room. 8. Contractor will provide humidity meter / thermometer in each plant . 9. Dress as approved by GE shall be provided to each operator duly fixed name plate over dress. 10.(a) The contractor shall employ the operator having ITI / Experience certificate from recognized Institutions/ Firms for operation of same nature OF CENTRAL AIR CONDITIONING installation since three years. (b) ) In case contractor fails to employ the duty personnel in any of the shift he shall be liable to bear the panel recovery @ 500/- per shift and no payment shall be made for that shift

Descaling of condensing unit up to 50 TR capacity of air-conditioning plants by circulating decaling 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.

M & L for servicing of AHU installed with various plants for proper checking and smooth functioning of the Air handling unit by removing of all pre mettalic filter/bag filter and removing of all dist and servicing of AHU motor / cleaning of shaft and removing the carbon particle and rust from all part of the AHU all as specified and directed by Engr-in-charge.

Supply and fix removable type factory made metalic pre filters of 20 micron of standard size with GI frame both side including taking out unserviceable metalic pre filters etc all as directed. 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 supporitng filters bags with MS / GI anodised aluminium frame suitable for central AC Plant including replacement of bolts and nuts and taking down unserviceable bag filters etc all as directed. Make- Aerosol/Dyna/Maf/Zonflower

Attending complaint for package type air conditioners /cassate type AC/Ductable type Split Air conditionerant of any cap with microprcessed controlled scroll compressor includign replacement of defective spares pats and components and checking of all parameters i.e temperature current and voltage ratings leakage of refrigenrant gas brazing tightening of nuts bolts washers routine checks like checking of leak testing, electrical control checking of package type AC, gas charging all as required for smoth and efficent functioning to achieve the desired cooling conditions complete all as specified and directed Note 1:- Minimum 01 technician and 01 Nos helpers to be provided by contractor to attend the complaints /defects. 2. All consumables items shall be maeasured and paid seperatley. 3. Proper complaint register shall be maintained on daily basis and complaint rectified shall be signed by the user and be produce to Engr-in- charge on weekly basis.

Evacuation refrigerant gas from the system into the empty cylinder for up to 100 TR capacity of air-conditioning plants leak testing of the plant with dry nitrogen (N2) pressure by separating the entire system like low side high side, compressors, condensers and rectifying the leakage vaccumising, recharging of evacuated refrigerant gas, testing and brazing of cooling coil complete all as specified and as directed. Note : i) Supply of refrigerant gas & consumables will be measured and paid separately. ii) Installed capacity of the plant to be considered.

Disconnecting and isolating the compressor of Accel/Kirloskar/Voltas make of existing from the existing AC system at FTTTby 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 /kirloskar /Voltas make as per existing model compressor including taking down old unserviceable spare parts complete all as specified and as directed. :- 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

Suction retaining plate

Disconnecting, dismantling of U/S condenser/cooling tower fan motor upto 5 HP, rewinding of condenser fan motor with same gauge copper wire, varnishing, replacement of bearing, bushing, greasing & balancing of the fan with the motor including testing and commissioning complete all as specified & directed.

Supply & Charging refrigerant gas R-22/407C/134a. Make- Fluron/Mettron/Refron

Supply & fix in replacement of compressor oil servo friz F-68 of Indian oil or equivalent in BPCL/HPCL,complete all as specified

Disconnecting and removing of the induction motor upto 5 HP 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.

Above 7.5 HP to 15 HP

40 HP capacity

75 HP capacity

M & L for opening of all connection of electric power cable of AC plant from the electrical panel , cleaning and changing of lugs of existing cable and checking of all electrical wiring of panel and servicing of aincluding bus bar strip changing etc and tightening of nuts and bolts and making all connection as per original including testing for entire satisfaction of Engr-in-charge.

Cleaning of FRP cooling tower of round bottle/ square type upto 60 TR capacity by opening the top cover of cooling tower remove the spare pipe and nozzles properly to clean the same and clean the PVC fills and cooling tower base through circulating caustic soda mixed with water for half-an-hour and drain out the dirty water and entire cooling tower to be cleaned with wire brush. Testing & re-commissioning etc., all as directed.

Supply and fixing of the HP/LP cut-out including dismantling of unserviceable cut-outs all as specified and as directed. Make;- Indfoss/Danfoss

Supply and fixing of the Oil pressure cut-out including dismantling of unserviceable cut-outs all as specified and as directed. Make;- Indfoss/Danfoss

Supply and fixing of the water pressure cut-out including dismantling of unserviceable cut-outs all as specified and as directed. Make;- Indfoss/Danfoss

Taking down perished Unserviceable insulation cover of refrigerent piping and Supplying & Fixing brutile rubber insulation for refrigerent pipings all as specified and directed.

Supplying and Fixing in repairs Copper refrigerant pipe Copper tube 5/8 " x 3/8".

Supplying and Fixing in repairs Copper refrigerant pipe Copper tube 1/2 " x 1/4".

Supplying and Fixing in repairs Copper refrigerant pipe Copper tube 5/8 " x 1/4".

Dismantling and taking out the existing mono block centrifugal type pump set upto 5 HP suction and delivery pipe lines transporting the pump to a reputed workshop remetaling to shaft, replacement of water seal gland and through servicing/check up and greasing oiling etc., reassembling the pump and motor, transporting the same to its original location, fixing in position, connecting up electrical and pipe line connection, testing and commissioning for satisfactory smooth operation complete of 30 HP all as specified and directed.

All as per item No-43 above but of upto 7.5 HP to 15HP all as specified and directed

Supply and fix in replacement of cooling tower fan complete with hub blade as per existing size and model by disconnecting the unservicable ones and making all connection including testing all as specified and directed.

Supply and fix in replacemnet of V Belt of air conditioning plant of size upto C120 all as specified and directed.

Supply and fix in replacemnet of AC power relay upto 63 Amp all as specified and directed.

Material and labour for pumping down the refrigerant gas from existing AC plant for removing the unserviceable suctioin valve carefully to avoid gas leakage and supply and fix new suction valve upto 80mm dia all as specified and directed.

Material and labour for pumping down the refrigerant gas from existing AC plant for removing the unservicebale discharge valve carefully to avoid gas leakage and supply and fix new discharge valve upto 80mm dia all as specified and directed.

Supply and fix in replacement of teflon seating for existing liquid line ball valve of model No- DN 40/ DN 50 and DN 60 all as specied and directed.

Taking up or down rusted/broken G.I. tubing and connection of size 80 mm bore complete all as specified and directed.

S&F GI tubing medium grade ISI marked including all fittings laid in trenches / fixed on wall of size 80 mm bore all as specified and directed.

Supply and weld butter fly valve of 80 mm dia made from High tension carbon steel with MS Body complete including replacement of unserviceable rusted MS flanges of suitable size etc all as directed. Make : Advance/Kirlosker/Zoloto

Supply and weld Y type strainer of 125 mm dia made out from caste iron with wire mesh complete including taking out unserviceable Y strainer etc all as directed

Supply and fix pilot solenoid valve 3 way model S-180 230 volt coil including removing unserviceable solenoid valve etc all as directed. Make- Sanlan/Sporlan

Supply and fix loading / unloading valve with coil 3 way type suitable for any model compressor with 230 volts loading coils and necessary flair nuts, adaptors , connectors including taking solenoid valve unserviceable etc as directed.

Supply and replacement of condenser safety valve up to 350PSI scaled of any size confirming of ISI including evacuating of refrigerant gas all as specified and as directed

Supply and fix thermostatic expansion valve of following capacity including taking out unserviceable expansion valve of any cap. Make- ALCO/Sporlan/Danfoss

For upto 30 TR cap AC Plant

For above 30 TR to 50 TR cap AC Plant

For above 50 TR cap AC Plant

Material and Labour for removing the Split type Air conditioner outdoor unit/indoor unit from its position leak testing & arresting the leakages in condenser coil by brazing etc complete for Split type AC 1.5 ton / 2.0 ton / Note :- Gas Charging shall be mesasured and paid separately under relavent item

Taking down the Unserviceable IDU blower motor and Supplying and Fixing IDU blower motor capacity as per existing make all as directed for 1.5 TR split AC.

Taking down the Unserviceable IDU blower motor and Supplying and Fixing IDU blower motor capacity as per existing make all as directed for 2.0 TR split AC.

Material and Labour for complete servicing after pumping down Indoor/outdoor units of split AC complete by cleaning condenser/ Evaporator coil with air blower, wet servicing of condenser coil unit with caustic soda etc, replacement of sheet metal screws wherever necessary applying oil in fan motor bushes checking and rectifying the wiring defects, proper setting of thermostat & other electrical/ Refrigerent controls, cleaning the air filter, duly painted with one coat of red oxide to the inner side and two coat of spray painting to the outer side of the outdoor unit after remove the out door unit, connecting up all connections and testing after gas charging if required all as directed for Split type Air Conditioner up to 2 TR . Notes :- (i) The rate deemed includes for minor spares (ii) Gas shall be measured and paid separately under relevant item.

All as per item No.13 here in before but for cassette type Air Conditioner upto 3.0 Ton AC

Supply and fix in replacement of remote for split type A/C, 1.5 TR/2 TR capacities along with wiring as per existing all as specified and directed

Disconnecting and taking down unserviceable overload relay from window/split type air-conditioner up to 3 TR capacity includign supply and fix new overload relay, testing and commissioning for satisfactory performance complete all as directed.

Disconnecting and taking down unserviceable thermostat from window /split type air-conditioner up to 3 TR capacity, supply and fix new thermostat, testing and commissioning the same for satisfactory performance complete all as specified and directed.

Disconnecting and taking down unserviceable starting capacitor from window/split type air-conditioner up to 3 TR capacity and supply and fix new starting capacitor 80/100 mfd. suitable for the AC and testing the same for satisfactory performance all as specified and as directed.

Supply and fix in replacement of running capacitor 25/36/45/50 mfd suitable for window/split type air conditioners up to 3 TR capacity.

Disconnecting and taking down unserviceable internal wiring of window/split type air conditioner up to 3 TR capacity and supply and rewiring complete with copper conductors complete including testing and commissioning all as specified and as directed.

Supply and fix plastic /coir filter suitable for window/split type air conditioner up to 3 TR capacity including taking down old unserviceable plastic filters etc complete all as specified and as directed.

Supply and fixing of AC 3 pole power contactor 415 volts 50 HZ of 16 Amp to 25 Amp cap including removing the unserviceable contactor all as specified and as directed. Make : Siemens/L & T /BCH/ CG

All as per item No 74 above but of 30 Amps to 63 Amps capacity

All as per item No 74 above but Above 63 amps and upto 100 amps capacity

Supply and fix in replacement of outdoor condensing unit of split type AC 1.5/2 TR Capacity all as specified and directed.Make: Voltas/Blue star

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

All as per item No-78 above but of 2 TR

Supply and fix in replacement of new hermetically sealed compressor for 5/5.5 TR capacity split type AC including removing of unserviceable sealed compressor unit etc complete all as specified and directed

All as per item No 80 above but 4 TR cap

Maaterial and labour for disconnecting of all connection of existing compressor of ac plant of cap upto 50 TR including opening of top plate/shaft seal assembly connecting rod/bearing and scraping the sludge etc by applying kerosene and afterward complete checking of rocker arm/ pisston including replacement of packing material after applying the grease/compressor oil as per requirement basis and making all connection complete after servicing and testing the same for entire satisfaction of Engr-in Charge.

Material and labour for complete servicing of package type air conditioner upto 10 TR capacity including checking all connection leak testing/pressure testing / refrigerant pipe upto outdoor condensing unit including checking of fan motor/fan blade and removing of all dust particle and testing the same after complete servicing for entire satisfaction of Engr-in- Charge.

RAHUL ENTERPRISES

Glacier Cooling Solutions Private Limited

mahadevi Enterprises

UNIVERSAL ENGINEERING

devan enterprises