REPAIR REPLACEMENT TO CENTRAL AND PACKAGE TYPE AIR CONDITIONING PLANTS DUCT LINE AND ALLIED WORK AT PXE TECH AREA NEW FIRING POINT AT PXE CHANDIPUR

Amount

Labour for pressure testing / leak arresting , vaccumising with dry nitrogen gas / oil charging, incl replacing the unserviceable strainers all as required and testing complete for package type Air Conditioning Plant upto the 17.5 TR plants Note :- Refrigerant Gas R-22/R- 410/413/407C/R134a and strainers will be measured and paid seperately under supply only items

M&L for repairing to rusted out sheet of outdoor unit for package type AC by necessary patching work with 2 mm thick steel sheet with welding/ brazing as per site requirement to make complete working condition complete all as specified and directed.

Supply only for Recharge/Top up Refrigerant R-410/410a/413/407C/R134a) or equivalent in various type of package/Central AC plant of various capacities complete all as specified and directed.

Servicing of electric control panel/compressure control pannel board of package AC 5 TR to 17.5 TR, control panel for AHU/CDW/CHW pumps by replacing burnt wire as exisiting at site with new of same specification alongwith new base to hold relays,contactor,NO,NC and any other fixtures which is deemed to fix in the control panel for its proper operation of AC system, with clipping and socketing and dressing properly complete including replacement of the unserviceable spares.

S&F in repair electronic timer 3-30 sec ,5 A,24 volt AC complete all as specified and directed.

S&F in repair of single phase preventer 230V AC complete all as specified and directed

S&F in repair power contactor model no. MNX-12 4 pole 10 Amps for AC circuit with AC Coils voltage 220 Volt complete all as specified and directed.

Labour to Attaining breakdown of package AC plants of 5.5/8.75/11.0/16.5/26 TR capacity and repair to breakdown and all parts and items of control panels , PCB, and accessories to keeping in perfect working condition all as specified and directed by Engr-in -charge.

S&F in repair of unsv three phase Control PCB for package type AC plant of 5.0/5.5 TR Capacity and repair to breakdown comprising of all (suitable for Bluestsar/Voltas Make) all as specified and directed by Engr - in - Charge.

S&F in repair three phase Control PCB for package type AC plant of 8.75 TR Capacity and repair to breakdown comprising of all (suitable for Bluestsar/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair three phase Control PCB for package type AC plant of 17 TR Capacity and repair to breakdown comprising of all (suitable for Bluestsar/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair to terminal/ connector of any size available at site complete all as specified and directed by Engr-in-charge.

S&F in repair fan capacitor of 10±2% mfd capacity suitable for out door unit of package type AC plant of 5.5/8.75/11/16.5 TR Capacity, all as specified and directed by Engr - in - Charge.

Supply and fixing in repair MCB TPN 63 Amps for connection of package/central type AC plant.

Supply and fixing in repair MCB TP 32 Amps for connection of package/central type AC plant.

S & F in repair thermal overload motor protection relay range between 9-45 Amps

M/L for carrying out spray painting complete unit of Package unit Indoor & Outdoor of any make, model and capacity after dismantling, and painting on sheet metal enclosers internally and externally with two coats of synthetic enamel paint of approved make and shade after preparation of surface, re-assembling and reconnecting the AC unit at its installed location complete all as directed.

S&F in repair PVC Drain pipe of size 40 mm size suitable for package type AC of any capacity including provision of requisite PVC fasteners complete all as specified and directed.

S&F in replacement of 25 mm thick closed cell Nitrile rubber sheet by applying of suitable adhesive as applicable to less then 4 degree temperature including takingdown old one complete all as specified and as directed.

Supply and fixing for V belt of suitable sizes for 10.0 /17 TR TR capacity Package type AC plant blower motor complete all as specified and directed.

Taking down unserviceable outdoor unit and supply and replacement of complete outdoor unit of 8.5 TR capacity,air cooled package type AC plant including necessary repair/fabrication of base plate and connection including servicing of plant testing complete all as specified and directed

Taking down unserviceable evaporator coil for package type ac and supply and replacement of complete evaporator coil of 5.5 TR capacity,air cooled package type AC plant including necessary repair/fabrication of base plate and connection including servicing of plant testing, complete all as specified and directed

Supply and fixing in repair/replacement of ball bearing for 5/8.75/11/16.5/26 TR package AC blower shaft bearing all as specified as required

M&L for Carrying out cleaning and de-scaling of iron deposited in shell and tube type condenser by using chemical suitable for Descalling for the condensor unit of the compressor with the help of monoblock pump set , recommended by manufacturer manual of the respective plant by using complete with satisfactory for Capacity 85 TR central type AC Plant all specified and directed by Engr - in charge. Note:- Descaling of all condensor of one units done in this job.

All as per Sl Item No. 26 here -in-before but compressor of capacity 40 TR at Auditorium Bldg (Make : VOLTAS or equivalent as approved) Note:- Descaling of all condensor of one units done in this job.

All as per Sl Item No. 26 here -in-before but compressor of capacity 40.86 TR at New Firing point (Make : VOLTAS or equivalent as approved) Note:- Descaling of all condensor of one units done in this job.

All as per Sl Item No. 26 here -in-before but compressor of capacity 30 TR at Firing point (Block House) (Make : BLUESTAR or equivalent as approved) Note:- Descaling of all condensor of one units done in this job.

Labour for pressure testing / leak arresting , vaccumising with dry nitrogen gas / oil charging, incl replacing the unserviceable strainers all as required and testing complete for central Air Conditioning Plant 40 TR to the 90 TR plants Note :- Refrigerant Gas R-22/R- 410/413/407C/R134a and strainers will be measured and paid seperately under supply only items

Supply only for Recharge/Top up Refrigerant R-22 in central /package type AC plant of various capacities complete all as specified and directed.

M&L for dismandling and repairing of pump set/ motor of capacity 7.5 HP for CHW/condenser punmp set and motor seperately cutting the burnt out wiring from slots and rewinding the ame by existing size and guage of super enamelled copper wire including varninshing ,heating,including replacing the gland packing, bearings and all rusted nut and bolts, washers and reassembling ,fixing the motor and pump at its position and connecting the suction and delivery water pipe and testing under working conditions complete all as directed.

All as per as above Sl Item No. 32 here-in-before but 10 HP capacity complete all as directed.

Suppy and fix in repair 13.62 TR capacity Scroll type compressor by taking out existing unserviceable 13.62 TR capacity Scroll type compressor denfoss make working refrigerant gas R-22/407C from water csooled central AC plant of capacity 40.86 TR , replacement of compressor with new one and fixing of new compressor sealed unit in position to match with existing plant , as per existing, brazing of discharge and suction including testing of the plant complete all as directed.

Material and Labour for servicing VRF AC complete of carrier make of capacity 67 KW all indoor and outdoor units complete all as specified and as directed.

Supply and Fix in repair Mother Board/PCB of Carrier Make VRF AC Indoor Unit of capacity 5.6 KW complete all as specified and as directed.

Supply Fabricate and fixing of MS angle/MS plate/flat/rod for cooling tower frame, CT fan base, cooling tower ladders, and all supports made out of suitable size along with welding/MS nuts, bolts and washers, hinges, locking arrangement including painting with two coats of synthetic enamel paint over one coat of red oxide primer including removimg existing unserviceable rusted one all as specified and directed.

S&F micro 'V' filter upto 10 micron 5 to 10 cm thick for AHU as per existing shape and size complete all as specified and as directed.

M&L for repair to damage fiber of cooling tower by necessary cutting and patch work by casting with fiber material to match the existing complete all as specified and directed.

M&L for repairing of existing cooling tower by taking down all side FRP panel, spray nozzel, inside pipe network for spraying inside cooling tower,inlet pipe etc making leakproof ,necessary welding/fabrication work and reassembling the same complete all as specified and directed.

Supply and Fix in repair Mother Board of Carrier Make VRF AC Outdoor Unit of capacity 67 KW incl software patching complete all as specified and as directed.

Supply and Fix in repair capacitor drive of Carrier Make VRF AC Outdoor Unit of capacity 67 KW incl software patching complete all as specified and as directed.

Suppy and fix in repair 8.5 TR capacity Scroll type compressor by taking out existing unserviceable 8.5 TR capacity Scroll type compressor denfoss make working refrigerant gas R-22/407C from packagel AC plant of capacity 8.5/17 TR , replacement of compressor with new one and fixing of new compressor sealed unit in position to match with existing plant , as per existing, brazing of discharge and suction including testing of the plant complete all as directed by the Engineer-in-charge .

M&L for flushing of entirely MS chilled water flow network to removing sludges, algae, hard scale, forgein materials, from network of 3 x 85 TR central AC plant using suitaqble scraping brush to removable part of pipeline network and by suitable chemical using centrifugal pump to non removable section complete all as specified and directed.

S&F of thermostatic expansion valve suitable for 40.86 TR plant as per existing model and type including necessary connected work to make the plant functional complete all as specified and directed.

M&L for dismantling and taking out of cooling coil of AHU of 85 TR capacity and flushing out and cleaning to cooling coil tube and fins complete by using suitable chemical as per OEM recommendation to make it efficient and proper heat transfer and reassemble to AHU and testing complete all as specified and directed.

S&F repair oil seal ,O ring , carbon bushing of shaft of central type AC plant compressor of 85 TR capacity omplete all as specified and directed.

S&F MS pipe 200 mm dia heavy grade with all fittings laid in floors or fixed to walls and ceilings including taking down old MS pipe for Central AC Plant, complete all as specified and directed

S&F MS pipe 100 mm dia heavy grade with all fittings laid in floors or fixed to walls and ceilings including taking down old MS pipe for Central AC Plant

S&F UPVC pipe 150 mm dia with all fittings laid in floors or fixed to walls and ceilings including taking down old pipe for Central AC Plant

S&F in repair V-Belt A-34/A-37/A-38/A-52/A-54 includong taking down complete all as specified and directed.

All as per item no. above but here in before for AHU fan as per existing size B-71/B-79/B-84 V belt complete all as specified and directed.

Supply and fixing of of PVC Fills as per existing size at site, blue colour, sutable for any type of cooling tower of central air conditioning plant

S&F in repair power contactor model no. MNX 25 for AC circuit with AC Coils voltage 220 Volt ,over load relay 25-45 Amps

S&F in repair Safety valve 300 PSI of copper material suitable for upto 85 TR capacity Central/package type AC plant (as per existing make and model)

Supply and fixing GI tubing medium grade of 40 mm bore size with all fittings laid in trenches, floor, roof and wall and tank connection complete including cutting and thereading with all fittings like tee, elbow bend union reducer hex nipple etc and all as directed.

All as per as above Sl Item No 56 but bore size 25 mm

S&F in repairs gun metal gate valve of 40 mm bore size ISI marked with iron wheel head, screwed both ends for iron pipe including taking down the unserviceable existing ones

All as per as above Sl Item No 48 but bore size 25 mm

Supply and fix in repair PVC Ball valve 40mm bore (minimum wt 690 gms) ISI marked high presssure of PTMT with epoxy coated aluminium rod and high density plastic ball screwed for iron pipe and fixed. The following sizes.Make :- Prayag ISI marked High Pressure (HP)

All as per Sl Item No. 50 above but 25mm bore (minimum wt 455 gms)

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia150 mm , valve should fix at position including necessary connected work complete all as directed.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia100 mm , valve should fix at position including necessary connected work complete all as directed.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia 80 mm , valve should fix at position including necessary connected work complete all as directed.

Supply and fixing in repair MCB Sp 6-32 Amps C curve for connection of package/central type AC plant.

S&F stainless steel Y strainer filter mesh including taking down old one for 150 mm dia strainer.

M&L for distempering walls of plastered pipe with distempery dry, white or tinted with two coat

M & L for dismantling and taking out unserviceable and defective parts of compressor of chiller Units of Central type AC Plants of capacity 40 TR of any make,and model after disconnecting the discharge & suction line removal of necessary electrical connection etc. Dismantling compressor body complete and carry out the repair work as per the following :- (a) Repairs to crank shaft, connecting rod, piston, piston pin valve plate by remetaling, cutting/grinding and polishing as required and by supply and replacing all spare parts with new one as required and directed. (b) Repairs /fixing by replacing of all new discharge and suction reeds, big end and small end bush, all bearing, all piston rings, capillary drier cum filter with new one all as specified and directed . (c) Repairs/fixing by replacing of all new kinds of gasket, washers, scappring made of Nylon/ Tuflon sheet/ rubber/fibre sheet as required with new one and all as directed. (d) Repair of Oil pump kit by , dismantling and cleaning, greasing oiling along with new gasket all as required and directed. (e) M & L for Repair/replacement of old u/s copper pipe line as per existing size and shape when found leaking/damage at the time of leak check including necessary flairing, brazing as required and replacement of end fittings made of copper including brass flange nuts, brass dead cap and brass pipe as per site requirement and as directed.( Note : - The cost of new Copper pipe is also included in the same job ) (f) Supply and fix in repair of all u/s rusted bolts, nuts and washers of any kind/made of any metalical/any size and shape as per site requirement with new one all specified and directed. (Note :- The cost of all types/sizes of new nuts , bolts and washers are included in the same job.

(g) After the repair work re-assembling the plant and check for leak in system with the help of Nitrogen gas. in case of any leak is detected the repair is to be carried out without any extra cost nitrogen/refrigerant gas. (h) After leak repair release Nitrogen and charge with refrigerant gas and testing to be carried out. Note : The cost for Nitrogen gas for Leak test, Charging/top up of Compressor oil and refrigerant gas R-22/(R-134a) and necessery spares will be measured & Paid separately

Supply only Suction reed as per existing make and model .

Supply only Discharge reed as per existing make and model.

Supply only Main Bearing as per existing make and model

Supply only Thrust Bearing as per existing make and model

Supply 0nly Piston Pin as per existing make and model.

Supply only Piston as per existing make and model.

Supply only Piston Ring as per existing make and model

Supply only Discharge and Suction Ring as per existing make and model.

Supply only Gasket Set asper existing make and model

Supply only liquid line filter as per existing make and model .

Supply only internal suction filter as per existing make and model

Supply only by pass solenoid valve oil valve as per existing make and model.

Supply only Loading/unloading solenoid valve as per existing make and model

M&L for dismantling and taking out unserviceable and defective parts of compressor of chiller Units of Central type AC Plants of capacity 85 TR of any make,and model after disconnecting the discharge & suction line removal of necessary electrical connection etc. Dismantling compressor body complete and carry out the repair work as per the following :- (a) Repairs to crank shaft, connecting rod, piston, piston pin valve plate by remetaling, cutting/grinding and polishing as required and by supply and replacing all spare parts with new one as required and directed. (b) Repairs /fixing by replacing of all new discharge and suction reeds, big end and small end bush, all bearing, all piston rings, capillary drier cum filter with new one all as specified and directed . (c) Repairs/fixing by replacing of all new kinds of gasket, washers, scappring made of Nylon/ Tuflon sheet/ rubber/fibre sheet as required with new one and all as directed. (d) Repair of Oil pump kit by , dismantling and cleaning, greasing oiling along with new gasket all as required and directed. (e) M & L for Repair/replacement of old u/s copper pipe line as per existing size and shape when found leaking/damage at the time of leak check including necessary flairing, brazing as required and replacement of end fittings made of copper including brass flange nuts, brass dead cap and brass pipe as per site requirement and as directed.( Note : - The cost of new Copper pipe is also included in the same job ) (f) Supply and fix in repair of all u/s rusted bolts, nuts and washers of any kind/made of any metalical/any size and shape as per site requirement with new one all specified and directed.

(Note :- The cost of all types/sizes of new nuts , bolts and washers are included in the same job. (g) After the repair work re-assembling the plant and check for leak in system with the help of Nitrogen gas. in case of any leak is detected the repair is to be carried out without any extra cost nitrogen/refrigerant gas. (h) After leak repair release Nitrogen and charge with refrigerant gas and testing to be carried out. Note : The cost for Nitrogen gas for Leak test, Charging/top up of Compressor oil and refrigerant gas (R-22)/R-134a and necessery spares will be measured & Paid separately

Supply only Suction reed as per existing make and model .

Supply only Discharge reed as per existing make and model.

Supply only Main Bearing as per existing make and model

Supply only Thrust Bearing as per existing make and model

Supply 0nly Piston Pin as per existing make and model.

Supply only Piston as per existing make and model.

Supply only Piston Ring as per existing make and model

Supply only Discharge and Suction Ring as per existing make and model.

Supply only Gasket Set asper existing make and model

Supply only liquid line filter as per existing make and model .

Supply only internal suction filter as per existing make and model

Supply only by pass solinoid valve oil valve as per existing make and model.

Supply only Loading/unloading solinoid valve as per existing make and model

Supply and fix as in repair chiller/condensor water flow switch as per existing make and model

Supply and fix as in repair drier filter as per existing make and model

Supply and fix as in repair chiller/condensor water senser as per existing make and model

Supply and fix as in repair oil pump motor as per existing make and model

Supply and fix as in repair chiller pressure switch as per existing make and model

Supply and fix compressor oil heater 600W as per existing size for Central type AC plant of capacity 40 to 85 TR including taking down old unserviceable one all as specified and directed.

Supply and fix Water pressure gauge 8" up to 0-14 kg/cm.sq along with fittings to be fitted on water pipe line including taking down old unserviceable one all as specified and directed

M&L for dismenteling and taking down unserviceable electric motor from compressor / AHU / Package AC unit of capacity 15 HP, 3 pahse, 415 volts of any make and type, Transportation to out side workshop for necessary repair/rewinding, dismantling of complete motor assembly, taking out burnt winding cleaning of core and rewiding with supper enamel copper wire of appropriate gauge/size and weight /turn as per existing including providing insulation materials, varnising , heating all as directed, repalcement of worn out bearings and carrying out painting by two coats of (1st quality) synthetic enameled paint over the existing painted surface after preparation and refixing to its original position with testing and commissioning comprete all as directed

All as per as above item no.101 here-in-before but 12/10 HP capacity.

All as per as above item no.101 here-in-before but 3 HP capacity.

M&L for painting to complete chilled water type Central Air Conditioning plant of 85 TR capacity at Control Centre Bldg, including complete chiller unit, compressor, motor, condenser refrigerant pipe, water pipe, chilled water pipe line, AHU, cooling tower, LT panel board complete plant with two coat of synthetic enamelled paint including preparation of surfaces and as per colour code all as specified and directed by Engineer - in - charge .

All as per Sl Item No. 104 above but for 40 TR Central AC Plant (new firing point & auditorium)

M&L for one coat of synthetic enemel paiint over a coat of red oxide/Zinc primer on steel surfaces over 10 cm width or grith complete including preparation of old surfaces of steel by scraping , rubbing all as specified and directed.

Servicing of electric control panel/compressure control pannel board of cenral AC plant 40 TR to 85 TR of existing make by replacing burnt wire as exisiting at site with new of same specification alongwith new base to hold relays, and any other fixtures which is deemed to fix in the control panel for its proper operation of AC system, with clipping and socketing and dressing properly complete including replacement of the unserviceable spares. Note-U/S spares to be measured and paid seperately as supply only items under this schedule .

Supply only Relay holder 8 pin channel mounting type as per existing

Supplu only relay 8 pin type as per existing

Supply only timer switch

Supply only denfoss make HP/LP cut out switch

S&F in replacement of overload switch of compressor motor for 85 TR Central AC plant

Supply and charging / top up of compressor oil in reciprocating type central AC plants, Type : HPL -68 or equivallent as per existing sample ( Make : SERVO/INDIAN OIL or equivallent as approved)

Supply and charging/top up of compressor oil in Screw type central AC plants, HBR-B08 as per existing sample

Supply and fixing compressor oil filter as per exisiting size complete all as specified and directed.

M&L for in replacement of Water strainer filter suitable for central AC plant of capacity 85 TR plant complete all as specified and directed.

M & L for replacement of U/S canvas cloth of package/central type AC planrs including provisiong of zip 150 mm lenth for opening and closing arrangements and properlly fasterners with bolts and nuts between the ducts all as directed by the Eng-in-charge

S&F in repair Supply, installation,commissioning and testing of induced draft top discharge counterflow type FRP Cooling Tower (Rectangular/Round bottle shape) of capacity 60 TR with FRP body and base, water spray headers, cooling motor, supporting base frames, as per anufacturer's standard instructions complete all as specified and as directed by Engr-in-charge.

Suppy and fix in repair 5.5 TR capacity Scroll type compressor by taking out existing unserviceable 5.5 TR capacity Scroll type compressor denfoss make working refrigerant gas R-22/407C/410A from packagel AC plant of capacity 5.5/11/17 TR , replacement of compressor with new one and fixing of new compressor sealed unit in position to match with existing plant , as per existing, brazing of discharge and suction including testing of the plant complete all as directed by the Engineer-in-charge .

M&L for repairing of Chillar waterpipeline insulation 50 mm thick thermocol including other binding like CPRX for fixing/bonding of thermocol and plastic and hassain clothes as covering mterials and finished with cement mortar / lath plaster with the help of wire mess of appropriate size and finally painting two coat with suitable materialslike sonosam/distamper or any other water resistance materials to match with existing surface complete all as specified and directed including taking down old unsv materials.

S&F Rotational moulded polyethylene water storage tanks 1000 ltrs for chilled water makeup tank (cubical with closed top) hoisted and fixed in position all as per specified in SSR part -I

M&L for PVC tank insulation 50 mm thick thermocol including other binding like CPRX for fixing/bonding of thermocol and plastic and hassain clothes as covering mterials and finished with cement mortar / lath plaster with the help of wire mess of appropate size and finally painting two coat with suitable materialslike samosan/distamper including foundation and necessary brickwork for the PVC tank as per site complete all as specified and directed including taking down old unsv materials.

M&L for repairing of AHU filter frame by taking down exsisting parts and reassemble the same after providing required GI channel/angle/sheet plate of 5 mm thick all supports made out of suitable size along with welding/MS nuts, bolts and washers, hinges, locking arrangement to acommodate the filters as per existing sizes and making all good as per eisisting to run the AHU uinit functional complete all as sirected.

S&Fin repair switch fuse disconnector of capacity 32 Amp , to be fixed in existing panel complete all as specified and directed.

Supply only cylindrical HRC fuse of capacity 32 Amp suitable for L&T FN 32 complete all as specified and directed.

ALLIANCE (BID ID -3348122)

Rounaq Enterprise (BID ID -3352086)

M/s LADHANIA BROTHERS (BID ID -3347581)

KRISHNA ENTERPRISES (BID ID -3347757)

chauhan syndicate (BID ID -3345817)

Bansal And Co (BID ID -3346320)