WBPWD/EE-II/KNHED/NIQ-83/ 2025-26

Dismantling the old exsiting Split & Window type air conditioner from its original place as per direction to the E.I.C.

Dismentling of existing damaged 8.5 Ton ceiling suspended ductable AC machine from CCU and deposited to the section store by Co's own tools & tackles as per direction of EIC.

Supply, Installation, Testing & Commissioning of 1.5 TR capacity Inverter concealed split type R410A/R32 Air conditioner of rated cooling capacity of 18000 BTU/hr with 1 no. rotary compressor, 1 no IDU of rated power supply - 230 Volt - 1ph - 50 Hz, 1 no ODU of rated power supply - 230 volt - 1ph - 50 Hz. Air - flow : - 650 CFM. with remote control. Installation the outdoor, indoor unit & Connecting the pipe line testing the leak by nitrogen gas pressure (minimum 400 PSI )and vacuuming the unit properly (Minimum -30 PSI) by double stage vacuum pump, after release the gas testing the metal type HAT type Air conditioner. (Make - Daikin/Hitachi/Mitsubishi Electric/O-General)

SITC of 2.0 TR capacity Inverter HAT type R410A Split Air conditioner of rated cooling capacity of 26000 BTU/hr. with 1 nos. rotary compressor, 1 nos IDU of rated power supply - 230Volt - 1ph - 50Hz, 1 no. ODU of rated power supply -230V - 1ph - 50Hz. Air-flow/per IDU : - 1200 CFM.Installation the outdoor, indoor unit & Connecting the pipe line testing the leak by nitrogen gas pressure (minimum 400 PSI )and vacuuming the unit properly (Minimum -30 PSI) by double stage vacuum pump, after release the gas testing the metal type HAT type Air conditioner. (Make - Daikin/Hitachi/Mitsubishi Electric/O-General) with wired remote control.

SITC of 1.8 Ton 3 Star Non Inverter Window AC (Copper Condenser) , 3 Star Rating, Hyper Tropical Rotary Compressor For Rooms up to 200 sq.ft Power Consumption: 1950 Watts Refrigerant: R32/ R 410A , (MK: O GENERAL -AXGB22BBAA-B/ Mitsubishi Electric) (Brand as per choice of EIC) . Frame work should be consider during installation.

SITC of 2.0 TR capacity Split type air conditioner of rated cooling capacity of 24000 BTU/hr with 1 No Rotary compressor, 1 No IDU of rated power supply - 230 V- 1ph - 50Hz, 1 no ODU of rated power supply - 230V, 1 ph, 50Hz, Air - flow/ per IDU - 800 cfm, (Gas - R32/R410A) (Make - O - General / Mitsubishi Electric / Daikin/Hitachi)

Supply Installation Testing & Commissioning of Microprocessor based air cooled 8.5TR. Ceiling Suspended Ductable type Split Air Conditioner with R-410A Gas, having nominal cooling capacity of 102000 BTU/Hr. With twin scroll compressor, condenser make as per OEM standard, Noise Level 51 dBA, Cfm 3400, suitable for operation on 415 Volt. +/- 550 HZ, - 3Ph. AC supply.(Make :- Hitachi /Daikin/Voltas/Blue Star) Installation the Indoor unit after supply 4 nos. 50mm. x 50mm x 305 mm. Iron angel, making 3 nos. 12mm. hole & 10 mm. hole of each angel, fixing the angel on roof by best quality booklets and hanging with full threaded 10 mm. stick with necessary nut & washer, carrying the outdoor units on Stuckure/roof top by well trended potter, fabrication & fixing of 2 nos. MS U Channel of 6mm. Thick of size (75mmx40mmx40mm) & fabricated by 1" Angel for installation of outdoor unit of Ductable Split & painting the same, installed on the iron structure by necessary materials, after Installation, Commissioning the units & pipe line testing the leack on high pressure testing up to 500 psi by Nitrogen gas and double stage vacuuming indoor unit and pipe line at least -50 psi, before release the refrigerant gas.

Supply & fixing required necesssary arrangement of wooden frame made of teak wood incl. painting and mending good the damages as per direction of E.I.C.

Charges for scaffolding charges including lifting of indoor & outdoor units.

Charges for special heavy angle Iron Structure for indoor unit and mending works for HAT Type AC Machines 1.5/2.0 tr. Also Eraction of indoor unit have to be done by structure made of 40mm x 40mm x 75mm MS chanel with M.S checker plate 2 sets for each indoor unit supported from one beam to another beam above false ceiling as direction by E.I.C.as per drawing approved by EIC.

Refrigeration Piping: Installation and commissioning of hard / soft copper refrigerant piping, complete with fittings, elbows, bends, globe valve of suction & liquid line supporting arrangement on walls incl. S&F of 13 mm thick Nitrile Rubber Insulation tube (Make-Armacell/K-Flex) with supports & brackets as per direction of EIC. a) Gas line copper pipe minimum thickness 0.9mm 5/8"dia[Royku/Totaline/Mandeep] with 13mm thick nitrile tube insulation[Make-Aroflex/Acoflex]

b) Liuid line copper pipe minimum thickness 1mm 1/4"dia[Royku/Totaline/Mandeep] with 13mm thick nitrile tube insulation[Make-Aroflex/Acoflex]

Insulation by nitril rubber of refrigerant Copper Pipe ping minimum Thickness 9 mm. Liquid pipe 6.35 mm. Gas pipe 15.88 mm.[ Make Aroflex / Acoflex] also raping the insulation & Copper wire with GKB Gold raping tape as per direction of EIC.

SITC of suitable Capacity Drier as per direction of EIC (make-- Danfoss)

SITC of copper Refrigeration pipe line for Liquid line hard drawn CU piping (1 1/8" OD with 0.6 mm thick) & copper refrigeration pipe line for suction line hard drawn cu piping 5/8" OD with 0.7mm thick) incl. S&F of necessary nitrile rubber insualation with necessary supports & brackets as per direction of EIC.

DRAIN PIPING:- Supply & Laying 25 mm pvc drain water piping work out of UPVC / HDPE hard pipes [Make-HBL / Supreme] including fittings,angle / flat iron support etc accessories with bends, elbows, tees, flanges, taping etc.incl. all accessories as required. As directed by EIC.

Sheet Metal Ducting: Supply, Design, Fabrication, installation, testing & commissioning of following gauges of 120GSM class III,complete with, supports, dampers, and turning vanes conforming to IS-655-2006.Make-SAIL/JINDAL (Ducting work has been consider at ALT as well as different site of Medical College) 22 gauge ducting

DUCT ACOUSTIC INSULATION :Acoustic insulation of 10 mm thick with fire retardant, closed cell, tri-dimentional chemically crosslinked polyethylene foam insulation conforming to Class 0 fire propagation rating and having minimum density of 32 kg/cu.m. Insulation material shall be supplied with factory applied pressure sensitive adhesive and protective cover.Make - Armacell / K Flex /Acoflex

DUCT THERMAL INSULATION :Supplying and fixing of 25 mm thickness duly laminated aluminum foil of mat finish closed cell Nitrile rubber (Class “O”) insulation on existing duct after applying suitable adhesive for Nitrile rubber. The joints shall be sealed with 50 mm wide and 3 mm thick self adhesive nitrile rubber tape insulation complete. (Ducting Insulation work has been consider at ALT as well as different site of Medical College)Make - Armacell / K Flex / Supreme

Supply and fixing flexible double canvas connection for concealed split air-conditioners.

Supply & Charging Refrigerant - 410A/R32/R407 Gas.

Supply and laying of necessary electrical arrangements 4 core x 1.5 mm² PVC insulated FRLS grade Copper cable for connection betweeen indoor and outdoor units, 1.1 KV grade. (make-- Havells/KEI/Gloster)

Supply and laying of necessary electrical arrangements 4 core x 2.5 mm² PVC insulated FRLS grade Copper cable for connection betweeen indoor and outdoor units, 1.1 KV grade. (make-- Havells/KEI/Gloster)

Supply and fixing of Al. powder coated continuous Grill of requisite size & dimension as per direction of EIC.. (Make - Premier/ynacraf/Systemair) (Make - Premier/ynacraf/Systemair)

Supply & fitting 11W, 25 Amps. single pole contractor. Make L&T. in outdoor unit. (Cat no - CS94176)

Supplying, fabrication & fixing safety cage for installation of outdoor unit of 1.5/2Tr conceal split AC incl. drilling 2 nos holes in each angle including cutting holes into the wall & grouting the same with cement concrete ( 1: 1 1/2 : 3) etc fabricated with 3 NOS M.S U channel having size of 75 mm x 40mm x 40mm having thickness of 6mm length angle of 25 mm x 25mm x 5 mm suiable length and flat (25 x 5mm) iron with necessary painting incl. shade arrangement with corrogated PVC shade with proper clamping arrangement.

S & Installation of rectangular type M.S frame of size 10" x 6" x 10" of 25mm M.S flat with 02 no interconnections by 25" x 25" x 5" M.S flat with 25 x 25 x 5mm M.S angle with suitable clamping arrangement as required. All angle are joined by argon welding system. M.S bar gap at 2" distance and 1" x 1" gap of 10 SWG wire M.S wire mesh net. Whole structure are grouted on wall at each 18" gap with 3" M.S flat leg splitted at end (4" bullet fastner are to be used where grouting will not be possible) and mending good the damage to original finish incl. all necy. materials tools & tackles incl. charges of scaffolding and painting with 02 coat of synthetic enamelled paint over 02 coat of R.O primer (Asian/Shalimer/Berger) incl. welding, carriage and transportation.

Supplying, fitting & fixing in position suspended false ceiling with frame work of aluminium hollow section of size 50mm x 25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm having size of 600mm x 600mm ceiling with aluminium composit panels (ACP) - Interior grade of thickness 3.0mm comprising of protective film, polyester coating, primer, aluminium coil, adhesive film, polyethylene core again with one layer adhesive film, aluminium bottom coating and finally service coating as per manufacturer's specification finished with aluminium screw and silicon sealent complete in all respect including all incidental charges etc. as per direction of Engineer - in - charge.

Charges for construction of Trap Door for IDU of AC Machines for Maintenance purpose made of Aluminium Channel & Plywood of requisite size & dimension as per direction of EIC. (prior approval of drop ceiling design & material to be approved from EIC to be made before starting of construction)

Less cost of 10 years old 1.5 TR Split/Window type air conditioning machine (---) credited to the Govt. revenue from final bill value (--) (31 Nos. @ Rs. 4,000/- Total amount = Rs. 1,24,000/-)

Less cost of 10 years old 2.0 TR Split/Window type air conditioning machine. (---) credited to the Govt. revenue from final bill value (--) (07 Nos. @ Rs. 5,000/- Total amount = Rs. 35,000/-)

[ Rates should be Quotated inclusive of all taxes & duities and L.W.C. @ 1% as applicable ]

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