WBPWD/EE-II/CKHED/NIQ-46/ 2023-24(3rd call)

Amount

Dismentaling old 7 nos 1.5/2 TR split ac Machine and carefully shifting at departmental store .

SITC of 7.5TR capacity concealed type Split Air Conditioner of rated cooling capacity of 90000 BTU/hr. with 3Nos. twin rotary compressor,3nos.IDU of rated power supply-230V-1ph-50Hz,1no. ODU of rated power supply-400V-3ph-50Hz. Air-flow/per IDU:- 1000CFM.incl. refrigerant R-32/R410A ( Make:O-General/ Hitachi/Mitsubishi-Electric/)

Supply & Delivery of 2-TR capacity concealed type Split Air Conditioner of following specification : rated cooling capacity : 24,000 BTU/Hr. compressor : 1 Nos Rotary type. refrigerant : R- 410A, IDU : 1no. of 230V,50Hz,1-Ph. ODU : 1no. of 230V,50Hz,1-Ph. Air-flow/per IDU:-800CFM. Casing size of IDU : (1130mm x280mm x532mm)(WxHxD) approx,) Casing size of ODU : (792mm x299mm x600mm)(WxHxD) approx, (Make : Hitachi/O-General/Voltas).

Copper Refrigeration pipe line for liquid and suction line with fittings, elbows, bends, supports & brackets (Make-Ryoku/Totaline)

a) Liquid Line (1/4" OD with 0.6 mm thick)

b) Liquid Line (3/8" OD with 0.6 mm thick)

c) Suction Line (5/8" OD with 0.7mm thick)

Supply & Fixing Pipe Insulation in liquid & suction line with 9mm nitrile rubber tube (Accoflex)

a) Liquid Line (1/4" OD with 0.6 mm thick)

b) Liquid Line (3/8" OD with 0.6 mm thick)

c) Suction Line (5/8" OD with 0.7mm thick)

Carefully taken out the Split type Room Air conditioner also Shifting the unit as per direction of EIC..Installation the outdoor on iron bracket with necessary materials, Installation indoor unit after fixing the indoor unit's hanging plate on wall by necessary materials, after making holes in wall by expert labor, connecting the pipe line also mending good after complete the work

After commissioning the machine testing the leack by Nitrogen gas pressure (minimum 400 PSI ) and vacuuming the unit properly (Minimum -30 PSI), hold the vacuum up to 24 hours, after release the gas testing the Split type Room Air conditioner and charging R 410 A gas.

Supply 410A Refrigarent

Control copper Cabling from Condensing Unit to control panel (Make: polycab/finolex)

a) 4 core 4 sq.mm communication cable

S & L of Drain Water piping work out of PVC / HDPE hard pipes of following sizes incl. fitting, accessories, bends, elbows, tees, flanges, tapings, wall sleeves, hangers, supports, anchors.

a) 25 mm dia

Supplying, fitting & fixing in position suspended boxing for return air arrangement & indoor units of concealed split airconditioner with frame work of aluminium hollow section of size 50mm x25mm (2.0mm thickness) combined with aluminium corners of size 38mm x 25mm, suspended by aluminium hollow tube section of size 38mm x 25mm ,25mm x 25mm powder coated wall angle with aluminium composit panel 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 including suitable arrangement for grill fixing complete in all respect as per direction of EIC.

Supply and Fixing AL power Coated countintuous girll (Make-Premier)

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

charges for trap door of 1600 mm x 600 mm and 9 mm thickness made of aluminium channel & ply wood for IDU maintenance.

Supplying, fabrication & fixing M.S u-channel of 6 mm thick of size (75 mm x 40 mm x 40 mm) for making platform for installation of outdoor unit of Concealed split AC incl. drilling 2 nos holes in each channel including cutting holes into the wall & grouting the same with cement concrete (1:1 ½ :3) etc. fabricated with horizontal angle of 25 mm x 25 mm x 6 mm including supporting angle 50 mm x50mm x 6 mm in each platform in outer edge for transmitting the load centrally through 2Nos. (50 mm x 50 mm x 6 mm) Angle inserted into the exiting wall. The entire structure should be barricaded & safe for ODU maintenance. Area of the platform is 3Mtr. x 1.2Mtr.Structural design should be approved by E.I.C.

Painting of any steel/ iron surface with no. of coats of paints as given below with ready mixed paint/primer of approved make and brand incl. preparation of surface by sand paper/emery paper,cleaning etc. for receiving fresh coat of paint

a) 1st coat of aluminium paint over one coat of RO priming

b) 2nd coat of aluminium paint over 1st coat

Rate should be quoted incl. of all taxes and cess.

Defect Liability period : 1 year

EFFORTECH

MINOTI CONSTRUCTION

NEW MODERN COOLING