WBPWD/EE-II/KNHED/NIQ-04/2025 - 26

Amount

Supply, Installation, Testing & Commissioning of 1.5 TR capacity wire 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 leack 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/Voltas)

Charges for scaffolding charges including lifting of indoor & outdoor units at CHTD building Top floor.

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 9 mm thick nitrile tube insulation[Make-Aroflex/Acoflex/Armacell] incl. raping/Bube tape

b)Liuid line copper pipe minimum thickness 1mm 1/4"dia[Royku/Totaline/Mandeep] with 9 mm thick nitrile tube insulation[Make-Aroflex/Acoflex] incl. raping/Bube tape

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

DRAIN PIPING:- Supply & Laying 25 mm pvc drain water piping work out of UPVC / HDPE hard pipes [Make-HBL / Supreme/Oriplast] including fittings,angle / flat iron support etc accessories with bends, elbows, tees, flanges, taping etc.incl. 6 mm thick nitrile rubber insulation all accessories as required. As directed by EIC.

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

Supply & Charging Refrigerant - 410A/R32

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-- Glostar/Havells/Finolex/KEI)

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

Supplying, fabrication & fixing safety cage for installation of outdoor unit of 1.5/2 TR concealed split AC incl. drilling 2 nos holes in each angle including cutting holes into the wall & grouting the same with cement concrete (1:1 ½ :3) etc. fabricated with 3 NOS M.S U - Channel having size of 75mm x 40mm x 40mm having thickness of 6mm length angle of 25 mm x 25 mm x 5 mm suitable length and flat (25X5mm) iron with necessary painting incl. shade arrangement with corogated PVC shade with proper clamping arrangement

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 (Mk.- Aludecor/ Pratap Bond) 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. (Mk.- Aludecor/ Pratap Bond) (PWD Bldg Schedule, Part G,P / No. 167, Item 22)

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)

Cost of cutting the wall for the installation of refrigerant pipe line and mending good the damages to original finish incl. damp proff treatment with water resistant materials so that no water seepage happen though the wall of the working area as per direction of EIC.

(Rate should be quotated including all taxes and duties, GST and considering the value of less cost materials.)

P. M. COOLING AND ENGINEERING CO (BID ID -6500938)

NATIONAL AIRCON (BID ID -6486011)

Bhavatarini Refrigeration (BID ID -6502084)