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

Amount

NOTE (Applicable for all items) :- The bidders/contractors are advised to read tender document & all corrigendum / amendments and General conditions of contracts before entrying/quoting the rates.

M&L for dismantling and overhauling of condenser/Chiller water pump set of capacity 10 HP, dismantling pump and motor separately, cutting the burnt out winding from slots and rewinding the same by existing size and gauge of super enamalled copper wire including varnishing, heating, repairing the insulating materials, repalcing bearings, bushes and remetalling the shaft including necessary heat treatment , and repairing the pump , including replacing the gland packing , bearings and all rusted nuts and bolts, washers and remetaling the Impeller of suitable size and bore for lifting the water from source and reassembling the motor and pump with gland packing includings painting of pump amd motor assambly complete with two coats of super enameled paints over one coats of red oxide, fixing the motor & pump at its position and connecting the suction and delivery water pipe and testing under working conditions, complete all as specified and directed.

All as per Sl Item No. 1 above but of capacity 7.5 HP complete all as specified and directed

All as per Sl Item No. 1 above but of capacity 5 HP complete all as specified and directed

M&L for repair and servicing to squirrel cage induction motor 3 phase 415V, 10 HP Kirlosker make or any others make by dismantling of motor from the pump set removing the stater/rotor separately, cleaning, varnishing, heating and drying re-erecting, aligning with the pump, testing, including replacing the bearing and bush, polishing and re-metalling the shaft including necessary heat treatment. Reassembling the motor and pump with new gland packing, supply and fix new gland nuts, bolts, with gland mounting nuts & bolts washers complete , painting the motor and pumps with two coats of synthetic enamel paint after preparing the surfaces all as directed by Engineer-in-charge. fixing the motor & pump on their own base and connecting the suction and delivery water pipes and testing with proper working condition complete all as directed .

All as per Sl Item No. 4 above but induction motor of capacity 7.5 HP complete all as directed .

All as per Sl Item No. 4 above but induction motor of capacity 5 HP complete all as directed .

Servicing and maintenance including Pressure testing / leak arresting , vaccumising with dry nitrogen gas / oil charging, incl cleaning of strainers and testing complete for the Central type AC plant of capacity 85 TR at Ballistic center, PXE . Note :- Quantity of Nitrogen gas used for leak testing and Antimoist for absorbing of moisture are included in the unit rates and Refregerant Gas , compresser oil will be measured and paid seperately complete all as directed.

All as per Sl Item No. 7 above but Central type AC plant of capacity 40 TR at Auditorium complete all as directed

All as per Sl Item No. 7 above but Central type AC plant of capacity 36 TR at AP Lab New Firing Point complete all as directed

All as per Sl Item No. 7 above but Package type AC plant of capacity 8.5 TR to 17 TR at any location/building of PXE tech area .

Supply only for Recharge/Top up refrigerant R- 22 (Mefron) or equivalent in Central type AC Plants at Auditorium, Ext AP Lab, AP Lab New firing point, Block House NFP of various capacities complete all as specified and directed. Make : Mafron/Floron/Refron.

Supply only for Recharge/Top up Refrigerant (R-407) in AC plant at Ayudh Bhawan & AP Lab of various capacities complete all as specified and directed. Make : Mafron/Floron/Refron.

Supply only for Recharge/Top up of Refrigerant (R-134a) in the AC plant at Ballistic Cente complete all as specified and directed. Make : Mafron/Floron/Refron.

Supply and charging/top up of compressor oil in compressor of Central type AC plant of capacity 40 TR including drain out old unserviceable compressor oil all as specified and directed. (Make : Freezal 68 / Vidol 68 or equivalent as approved)

Supply and charging/top up of Synthetic Screw compressor oil in Screw compressor of Central type AC plant of capacity 85 TR including drain out old unserviceable compressor oil all as specified and directed. (Make : Carrier grade 220vs / totaline or equivalent as approved)

M&L for Carrying out cleaning and descaling of iron deposited inside and outside of condenser shell and tube by using chemical suitable for descaling recommended by manufacturer manual of the respective plant, complete with satisfactory of capacity 3 X 85 TR units of Central AC Plant at Ballistic Center complete all as specifed and directed .

M&L for Carrying out cleaning and descaling of iron deposited inside and outside of condenser shell and tube by using chemical suitable for descaling recommended by manufacturer manual of the respective plant, complete with satisfactory of capacity 3 X 40 TR units of Central AC Plant at DRDO auditorium complete all as specifed and directed .

M&L for Carrying out cleaning and descaling of iron deposited inside and outside of condenser shell and tube by using chemical suitable for descaling recommended by manufacturer manual of the respective plant, complete with satisfactory of capacity 3 X 36 TR units of Central AC Plant at AP Lab New Firing Point complete all as specifed and directed .

M&L for dismenteling and taking down unserviceable electric motor from compressor / AHU / Package AC unit of capacity 60 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 Sl Item No. 19 here-in-before but 20 HP capacity.

All as per Sl Item No. 19 here-in-before but 15 HP capacity.

All as per Sl Item No. 19 here-in-before but 12 HP capacity.

All as per Sl Item No. 19 here-in-before but 3 HP capacity.

All as per Sl Item No. 19 here-in-before but 0.75 HP capacity.

Dismantling and taking down the electric motor of compressor / AHU / Package AC unit of capacity 60 HP capacity and transporting to work Shop and carrying out servicing/ maintenance of motor unit as per the following maintenance work:- (a) Opening of electric motor and cleaning/ removing dust from Armature and field coil (b) Cleaning of used/ old lubricated substance (c) Cleaning of starter and rotor unit (d) Checking and tightening of coupling, nuts, bolts and replacement of rubber insert. (e) Carrying out heat varnishing with varnish solution of best quality for field and armature coil. (f) Replacement of oil worn out bearings. (g) Reassembling the complete motor and carrying out testing at work Shop and transporting back to installation and coupling with pumping set including necessary alignment, cable connection all as directed.

All as per Sl Item No. 25 here-in-before but 15 HP capacity.

All as per Sl Item No. 25 here-in-before but 7.5 HP capacity.

All as per Sl Item No. 25 here-in-before but 5 HP capacity.

All as per Sl Item No. 25 here-in-before but 2 HP capacity.

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.

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-134a) and necessery spares will be measured & Paid separately

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 only snap action switch EL Rating 15A 250V DC 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 charging valve of brass, size 3/8 inch and 1/4 inch as per existing size for Central type AC plant of capacity 40 TR including taking down old unserviceable one all as specified and directed.

Supply and fix compressor oil heater as per existing size for Central type AC plant of capacity 40 TR including taking down old unserviceable one all as specified and directed. (Make – sporlan or equivalant)

Supply and fix Water pressure gauge up to 0-10 kg/cm.sq along with fittings to be fitted on water pipe line including taking down old unserviceable one all as specified and directed

Supply&Replacement of 'V' Belt of size B-55 including taking down. Make :Fenner / Dunlop /Sonal/PIX

Supply & Replacement of 'V' Belt of size B-66 including taking down. Make : Fenner / Dunlop /Sonal/PIX

Supply & Replacement of 'V' Belt of size B-72 including taking down. Make : Fenner / Dunlop /Sonal/PIX

Supply & Replacement of' V' Belt of size A-32 including taking down. Make : Fenner / Dunlop /Sonal/PIX

Supply & Replacement of 'V' Belt of size SPA - 850 LdEL including taking down. Make : Fenner / Dunlop /Sonal/PIX

Supply only power contractor 4 pole AC 3 22 A, 415 V all as specified and directed, Make Siemens /L&T/BCH

Supply only power contractor 3 pole AC 3 , 3-16 A, 415 V all as specified and directed Make Siemens/L&T/BCH

Supply only of HRC Fuse link type (HF) of capacity 32 Amps,415 volts including taking down. Make : C&S, Havells, L&T

Supply only of HRC Fuse link type (HF) of capacity 63 Amps,415 volts including taking down. Make : C&S, Havells, L&T

M&L for exposed duct thermal insulation with 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 or any other water resistance materials to match with existing surface complete all as specified and directed including taking down old unsv materials.

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 by Engineer-in-Charge

Supply and Replacement of Micro filter / Cadillac Air Filter of sizes 630 mm X 508 mm X 50 mm with taking out old unserviceable Air Filter with repair/replacement of rusted and wornout GI chanels for properly holding/fixing of micro filters all as specified and directed .Note:-Repair/replacement cost of GI chanels will be measured and paid saperately.

All as per Sl Item No. 57 here-in-before but t of sizes 508 mm X 508 mm X 50 mm.

Taking out unserviceable Rotary type compressor of AC of 5TR capacity, from site and replacement of compressor with new one to match with existing make/Model and fixing of new compressor sealed unit in position, charging required quantity of refrigerant gas R-22/R-134a as per existing design of Package AC, brazing of discharge and suction line including leak testing complete as directed by the Engineer-in-charge Make :- Kirlosker / Hitachi / Hillie / Copeland / Danfoss. Note: Cost of copper capilary of any sizes, rubber pad bushing, modification work for fixing new compressor etc required for completing the repair is deemed to be included in the cost.

M & L for Supply , assembly and erection of GSS duct 120 GSM rectangular/ Square boxed, incl all accessories such as MS Angles frame at ducts joints for support of ducts , corner, cleat, carriage bolt Gasket and appropriate sealant on longitudinal joints etc comlpete of size 20 SWG icluding taking down unserviceable part and all as directed at site .Make :- SAIL/TATA/JINDAL

M&L for painting to complete chilled water type Central Air Conditioning plant of 3x 85 TR capacity at Ballistic Centre, 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.

All as per Sl Item No. 61 here-in-before but for 3X 40 TR chiller type AC Plant at DRDO Auditorium

All as per Sl Item No. 61 here-in-before but for 3X 36 TR chiller type AC Plant at AP Lab New Firing Point

Servicing of electric control panel/compressure control pannel board by taking out the burnt wire. Supply & fixing new wire of existing specification 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 .

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 (Make : Tata steel/Jindal steel)

S&F MS pipe 150 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 (Make : Tata steel/Jindal steel)

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 (Make : Tata steel/Jindal steel)

S&F MS pipe 80 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 (Make : Tata steel/Jindal steel)

S&F MS pipe 65 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 (Make : Tata steel/Jindal steel)

S&F in repair for Insulation of M S Pipe with PUF slab 30 mm thick and including applying bituminuous/CPRX compound and AluminiumI cladding sheet with 26 gauge complete for size 65 mm dia MS pipe

S&F in repair for Insulation of M S Pipe with PUF slab 40 mm thick and including applying bituminuous/CPRX compound and AluminiumI cladding sheet with 26 gauge complete for size 100 mm dia MS pipe

S&F in repair entering water temperature(EWT)/leaving water tempertaure sensor(LWT) sensor suitable for 36 TR scroll type AC Plant.(Make: Voltas as per existing model ).

Supply and fixing of of PVC Fills as per existing size at site, blue colour, sutable for 80 TR Cap cooling tower of central air conditioning plant

S&F in repair electronic timer 3-30 sec ,5 A,24 volt AC (Cat No.HODT2COZ of GE or equivalent make as per Appx 'A')

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. (Make:Cat No.-CS94110 - L&T or equivalent make as per Appx 'A')

S&F in repair power contactor model no. ML 3 for AC circuit with AC Coils voltage 220 Volt ,over load relay 10-25 Amps ( Cat No.- SS90721,and 2NO+2NC front mounted block. (Make- L&T or equivalent make as per Appx 'A')

S&F in repair power contactor model no. ML 1.5 for AC circuit with AC Coils voltage 220 Volt ,over load relay 10-25 Amps (Cat No.- SS91851KOOO,and 2NO+2NC front mounted block. (Make- L&T or or equivalent make as per Appx 'A')

S&F in repair air break contactor with one NO & NC. (Make-Model no. 3TF-34 of Siemens or equivalent make as per Appx 'A')

S&F in repair of single phase preventer 40 Volts in balance VSP II/VSP III/VSP D1.(Make-Minilec or equivalent make as per Appx 'A')

S&F in repair power contactor model no. MNX-12E 4 pole 10 Amps for AC circuit with AC Coils voltage 220 Volt , Make L&T or or equivalent make as per Appx 'A'

S&F in repair power contactor model no. MNX-12 4 pole 10 Amps for AC circuit with AC Coils voltage 220 Volt , Make L&T or or equivalent make as per Appx 'A'

S&F in repair Safety valve 300 PSI of copper material suitable for 25 TR to 90 TR capacity Central/package type AC plant (as per existing make and model)

S&F in repair thermometer 0-06 suitable for 25 TR to 90 TR capacity Central/package type AC plant (as per existing make and model)

Servicing and Maintenance including minor repairs and making in serviceable condition of the package type AC Plants of 8.5/10/17 TR capacity comprising of all minor parts and machineries including charging of R - 410/407/22 Gas and l when ever required repair and maint of compressor and blower motor Air filters de-humidifying coils lt control pannels , PCB, ducts and accessories of all gauges and meters and keeping in perfect working condution all as specified and directed by the Engr-in-charge . Note : Leak test,refrigerant Gas will be measured and paid seperately under relevent items of schudle if any required .

S&F in repair three phase Control PCB for package type AC plant of 8.5 TR Capacity, (suitable for Carrier Make) , all as specified and directed by Engr - in - Charge.

S&F in repair three phase Control PCB for package type AC plant of10.0 TR Capacity, (suitable for Blue Star Make) , all as specified and directed by Engr - in - Charge.

S&F in repair three phase Control PCB for package type AC plant of17.0 TR Capacity, (suitable for Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair Air sensor for package type AC plant of 8.5/10/17 TR Capacity, (suitable for Blue Star/Carrier/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair Coil sensor for package type AC plant of 8.5/10/17 TR Capacity, (suitable for Blue Star/Carrier/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair drier filter for package type AC plant of 8.5/10/17 TR Capacity, (suitable for Blue Star/Carrier/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair PVC Cable/wire Connector of size 20mm dia (suitable for Blue Star/Carrier/Voltas Make) , all as specified and directed by Engr - in - Charge.

S&F in repair PVC Cable/wire Connector of size 25mm dia (suitable for Blue Star/Carrier/Voltas Make) , 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 8.5/10/17.0 TR Capacity, (suitable for Blue Star/Carrier/Voltas Make) , all as specified and directed by Engr - in - Charge.

Supply and fixing in repair 2.5 Core 3 Sqmm multistrand copper conductor PVC insulated sheathed flexible cable suitable for connection of package type AC plant.

Supply and fixing in repair 4 Core 10 Sqmm multistrand copper conductor PVC insulated sheathed flexible cable suitable for connection of package/central type AC plant.

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

Supply and fixing in repair MCB TP 40 Amps for connection of package/central type AC plant.

Supply and fixing for V belt of suitable sizes for 8.5 TR blower motor Make : FENNER/Dunlop

Supply and fixing for V belt of suitable sizes for 10 TR blower motor Make : FENNER/Dunlop

Supply and fixing for V belt of suitable sizes for 17 TR blower motor Make : FENNER/Dunlop

M & L for replacement of U/S canvas cloth of package/centraltype 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.

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 102 but bore size 25 mm

All as per as above Sl Item No 102 but bore size 20 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 105 but bore size 25 mm

All as per as above Sl Item No 105 but bore size 20 mm

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia 200 mm.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia150 mm.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia100 mm.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia 80 mm.

Supply & Fixing as in repair CI butterfly valve PN 1.6 size of dia 65 mm.

Servicing and maintenance of Rapid cool cap 36 KW Hot water generator (total - 1 Nos) complete by opening the existing assy and draining out complete water cleaning the container checking of serviceability of heating element, pressure gauge etc. and reassembling the same and testing all as specified and as directed.

Supply and fix in repair immersion type water heater assembly of capacity 12 KW suitable for hot water generator complete all as per existing model and make all as directed

Supply and fixing in repair MCCB 4 pole 63 Amps with fixed thermal magnetic release and breaking capacity 16KA

Supply and fixing in repair MCCB 4 pole 100 Amps with fixed thermal magnetic release and breaking capacity 25KA

Supply and fixing in repair Thermal overload relay for relay range between 0.2 to 16 Amps

Supply and fixing in repair MCB SP 6-32 Amps , C curve

Supply only digital hygro thermometer for monitoring temperature & humidity at AC plants

Supply and fix as in repair Fan blade suitale for blower motor of cap 3 HP to 5 HP for outdoor unit of Package Ac Plant.

Supply and fixing in repair Digital type 3 phase ammeter 0-100A rating flush mounting of size 96mm x 96mm

Supply and fixing in repair Digital type voltmeter 0-500 V, 96mm x 96mm.

Supply and fixing in repair Analogue type 3 phase ammeter 0-100A rating flush mounting of size 96mm x 96mm

Supply and fixing in repair Analogue type voltmeter 0-500 V, 96mm x 96mm.

Supply and fixing in repair LED indicator lamp RYB

Supply and fixing in repair suitable AHU shaft bearing as specified as required

S&F in repair cooling tower CT fan motor 5.5KW/7.5HP/720 RPM including all accessories required for fiiting of motor to cooling water complete all as directed

Disconnecting mechanically and electrically cooling tower fan motor from the system, shifting to civil workshop, dismantling the electric motor and removing burnt out windings, cleaning the slots, rewinding with super enemelled copper winding wire as per existing gauge and size varnishing and drying complete, reassembling, replacing the ball bearings as per existing size and make, transporting to site and re-fixing at original position, connecting electrically and mechanically, testing for satisfactory working all as directed for 7.5 HP/ 5.5 KW/ 720 RPM 415 volts 3 phase AC induction motor of any make complete all as directed.

Disconnecting mechanically and electrically cooling tower fan motor from the system, shifting to civil workshop, dismantling the electric motor and removing burnt out windings, cleaning the slots, rewinding with super enemelled copper winding wire as per existing gauge and size varnishing and drying complete, reassembling, replacing the ball bearings as per existing size and make, transporting to site and re-fixing at original position, connecting electrically and mechanically, testing for satisfactory working all as directed for 2 HP/900 RPM 415 volts 3 phase AC induction motor of any make complete all as directed.

Supply & Fixing stainless steel nut bolts of size 2" for cooling tower inculding taking down of existing nut bolts complete all as directed.

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 UPVC pipe 100 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 UPVC pipe 80 mm dia with all fittings laid in floors or fixed to walls and ceilings including taking down old pipe for Central AC Plant

KRISHNA ENTERPRISES

ELECTRO COMMERCIAL CO

ALLIANCE

M/s R.C REFRIGERATION

jlenterprise

Bansal And Co

M/s LADHANIA BROTHERS

Bidder Name

DS ENTERPRISES

ALLIANCE

Bansal And Co

KRISHNA ENTERPRISES

M/s LADHANIA BROTHERS

M/s R.C REFRIGERATION

ELECTRO COMMERCIAL CO

jlenterprise