WBPWD/EE-II/KNHED/NIQ-87/ 2025-26

SITC of 15.5TR Capacity Microprocessor based air cooled (R410A Ref Gas ) celing suspended Ductable type Split Air Conditioner of rated cooling capacity of 186000 BTU/Hr with 3 nos ODU with Scroll compressor - Convertible IDU - R410 A and suitable for operation on 415 Volt, 50Hz, 3 PH AC supply. (Make: Voltas/Hitachi /Mitsubishi Electric/Blue Star)

SITC of 8.5TR Capacity Microprocessor based air cooled R410A Ref Gas celing suspended Ductable type Split Air Conditioner of rated cooling capacity of 102000 BTU/Hr with 2 nos Toushi scroll compressor and suitable for operation on 415 Volt, 50Hz, 3 PH AC supply. (Make:Voltas/Hitachi /Mitsubishi Electric/Blue Star)

Refrigeration Piping: Supply & erection of following refrigeration piping with hard drawn/soft copper pipe including providing necessary fittings , elbows, bends, supporting arrangement and brazing arrangement for the above new units. And also Supply & Fixing of Nitrile Rubber tube insulation of 9 mm thick on Suction Line/ Liquid Line Copper Pipe .Make-Armacell/K-Flex a) 7/8” dia Suction Line. (For 15.5 Tr Machine)

b) 11/8” dia Suction Line. (For 8.5 Tr Machine)

c) 5/8” dia Liquid Line. (For 8.5 Tr. M/C)

d) 1/2” dia Liquid Line. (For 15.5 Tr. M/C)

Drain Piping: Drain water piping work out of PVC / HDPE hared pipes, fitting, accessories, bends, elbows, tees, flanges, tappings, wall sleeves, hangers, supports, anchors.Make-Oriplast/Supreme/Finolex a) 25 mm dia

b) 32 mm dia

Sheet Metal Ducting: Supply, Design, Fabrication, installation, testing & commissioning of following gauges of 120GSM class III Sheet Metal Ducting complete with, supports, dampers, and turning vanes conforming to IS-655-2006.Make-SAIL/JINDAL a) 22 gauge ducting

b) 24 gauge ducting

c) 20 gauge ducting (For planam chamber)

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 / Supreme

DUCT THERMAL INSULATION : Supplying and fixing of 19 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 Make - Armacell / K Flex / Supreme

Grille/Diffuser & Dampers: Extruded Aluminium Square Diffusers with VCD for Supply Air.Make-Dynacraft/Premier/Ravister/Carry air/Systemair

Extruded Aluminium Square Diffusers without VCD for Return Air. Make-Dynacraft/Premier/Ravister/Carry air/Systemair

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct/main branch and return air path as and where required of required sizes i/c control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. (vide CPWD DSR 2022 page no-- 52, item-- 16.20) Make - Systemair / Air Enterprise / Premire / Caryaire / Airmaster

b. Actuator

Flexible double canvass connections for packaged airconditioners

Control Cabling: Supplying , laying & temination of PVC insulated sheathed unarmoured cable 4c x 1.5 sq.mm.copper cable . Make-Finolex/KEI/Gloster

Supplying and laying of PVC insulated unarmoured 3c x 2.5 sq.mm.copper communication cable . Make-Finolex/KEI/Gloster

FRAME WORK Enclosed Safety Cage for ODU :: Supplying, fabrication & fixing 6 Nos. M.S U-channel of 6mm thick of size (75mm X 40 mm X 40mm) of 3m length for making platform for installation of outdoor unit of 16.5 TR ductable split AC incl. drilling 2 nos holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 1/2:3) etc. fabricated with 2 Nos. horizontal angle of 25mm X 25mm X 5mm of 1m. length incl. S&F of enclosed safety cage (for 3nos ODU) made of angle (25 X 25 X 5 mm) and flat (25 X 5 mm) iron with necessary painting with 02 coat of R.O. primer (Asianpaint / Shalimer / Berger) incl. shade arrangement with corogated PVC shade with proper clamping arrangement incl. fixing of ODU as pr direction of EIC.

Enclosed Safety Cage for ODU :: Supplying, fabrication & fixing 3 Nos. M.S U-channel of 6mm thick of size (75mm X 40 mm X 40mm) of 1m length for making platform for installation of outdoor unit of 8.5TR TR ductable split AC incl. drilling 2 nos holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 1/2:3) etc. fabricated with 2 Nos. horizontal angle of 25mm X 25mm X 5mm of 1m. length incl. S&F of enclosed safety cage (for ODU) made of angle (25 X 25 X 5 mm) and flat (25 X 5 mm) iron with necessary painting with 02 coat of R.O. primer (Asianpaint / Shalimer / Berger) incl. shade arrangement with corogated PVC shade with proper clamping arrangement incl. fixing of ODU as pr direction of EIC.

M.S. structural works in columns, beams etc. with simple rolled structural members (e.g. joists, angle, channel sections conforming to IS: 226, IS: 808 & SP (6)- 1964 connected to one another with bracket, gussets, cleats as per design, direction of Engineer-incharge complete including cutting to requisite shape and length, fabrication with necessary bolting, metal arc welding conforming to IS: 816- 1969 & IS: 1995 using electrodes of approved make and brand conforming to IS:814- 2004, haulage, hoisting and erection all complete. The rate includes the cost of rolled steel section, consumables such as electrodes, gas and hire charge of all tools and plants and labour required for the work including all incidental chages such as electricity charges, labour insurance charges etc. ( structural Drawing should be approved from EIC before start the job)

Payment to be made on the basis of calculated weight of structural members only in finished work as per IS specified weight. Payment for gusset, bracket, cleat, rivets, bolts and nuts may be make by adding the actual weight of such items with the weight of finished structural members or 7% of weight for finished structural members weighing not less than 22.5 Kg. / m. or 15 % of weight for finished structal members weighing less than 22.5 Kg. / m. may be increased allow for bracket, cleat, rivet, bolts and nuts etc. and no seperate payment being made for these items, as per direction of Engineer In Charge. The rates are considered for a height of erection 8m. / 2nd floor level from the ground. Add 1.5% extra over the rate for each additional floor or 4m. beyond initiial 8m. or part thereof. i) For structural members of specified sections weighing less than 22.5 Kg./m

Labour charge for cutting of brick wall for entering the supply / return duct ( Necessary supporing arrangement is required for load bearing wall) and mending good the damages incl.removal of rubish for installation of ducting as per direction of EIC

Charges for lifting of indoor & outdoor unit & Scaffololding Arrangement

Supply and fixing of Al powder coated continious Grill Make-Dynacraft/Premier/Ravister/Carry air/Systemair

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. (PWD Bldg Schedule, Part G,P / No. 167, Item 22)

Construction of Trap Door (after proper cutting of ACP covering) made of Heavy Gauge Channel and particle board (hinged type door) for concealed split IDU maintenance as per direction of EIC. (Trap Door Size 3' x 2.5')

Supply & Charging Refrigerant - R410 / R407C

Wrapping both the copper pipe with kenofoam sulation by 26 SWG aluminum sheet to make it vermin proof.

Supply & Fixing of perforated GI cable tray with perforation not more than 17.5% suspended from ceiling incl. S&F GI connector, 6mm dia MS suspender, bolts & nuts, steel fastener etc. as required of the following size. Incl. Al painting of MS support. [34/D-14] a) 150x50x1.25mm (18SWG)

b) 200x50x1.25mm (18SWG)

c) 300x50x1.25mm (18SWG)

Cu Pipe Line Safety Grill Enclosure :: S & installation of rectangular type M.S frame of size 1’ x 1’ x 1’ of 25 mm M.S flat with 02 nos interconnections by 25 x 6 mm M.S.flat with 25 x 25 x 5 mm M.S angle with suitable clamping arrangement as required. All angle are jointed by argon welding system. M.S. bar gap at 2’’ distance. Whole structure are grouted on wall at each 18" gap with 3" M.S. flat leg splitted at end ( 4" bullet fastener are to be used where grouting will not be possible) and mending good the damage to original finish incl all necy. materials, tools and tackles incl charges of scaffolding and painting with 02 coat of Synthetic enamelled paint over 02 coat of R.O. primer (Asian Paint / ICI / Berger) incl. welding, carriage and transportation.

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) . Fream work should be consider during installation.

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

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