WBPWD/SEWEC /BED / NIQ- 93 / 2nd call /2023-2024

Amount

Supply, Installation, Testing & Commissioning of Split type AC machines having Cooling Capacity range (6.6 kw - 7.0 kw) with fixed speed rotary compressor, refrigerant gas R32/R410 BEE star rating -2 (EER range 3.5 to 3.99), Air flow range CFM (600-777), Operating Outdoor Temparature = 50ºC and above, Power Supply - 240V,50Hz [ (+-)Tolerrance as per applicable standard ], both condenser and cooling coils made of copper tube connecting chord with plug top confirming to IS 1391 (Part-I & Part- II) with all amendments. The Machine should be equipped with all the requisite control system for the Total System / Temperute / Air - Distribution/ Electrical Power System and others like Remote Sensing Device etc (Make- Mitsubishi Electric / Mitsubishi Heavy Duty / O General ) Split AC must be following essential requirement i) Indoor PCB unit must be within a metal enclosure as per CEWE order. ii) P2 protected capacitor must be included in each RAC. iii) Comprehensive Warranty : 1 year & additional 5 years on Compressor.

Supply, Installation, Testing & Commissioning of Cassett type AC machines having Cooling Capacity range (6.6 kw - 7.0 kw) with fixed speed rotary compressor, refrigerant gas R32/R410 BEE star rating -2 (EER range 3.5 to 3.99), Air flow range CFM (600-777), Operating Outdoor Temparature = 50ºC and above, Power Supply - 240V,50Hz [ (+-) Tolerrance as per applicable standard ], both condenser and cooling coils made of copper tube connecting chord with plug top confirming to IS 1391 (Part-I & Part- II) with all amendments. The Machine should be equipped with all the requisite control system for the Total System / Temperute / Air - Distribution/ Electrical Power System and others like Remote Sensing Device etc (Make- Mitsubishi Electric/ Mitsubishi Heavy Duty/O General/ Voltas / carrier ) Split AC must be following essential requirement i) Indoor PCB unit must be within a metal enclosure as per CEWE order. ii) P2 protected capacitor must be included in each RAC. iii) Comprehensive Warranty : 1 year & additional 5 years on Compressor.

The scope of work of above AC machines also includes supply of the following and others to be supplied with the machine

Installation, Testing & Commissioning of Indoor & Outdoor unit of above Hi wall split AC machine after making hole in wall etc as per direction of EIC including S&F of necessary fixing arrangement for indoor and MS outdoor unit, duly painted, Labour charge for cutting of brick wall as per requirement with proper safety and mending good the damages to original finish incl. removal of rubish for installation of AC as per direction of EIC & Charging the extra refrigerant as required as per direction of the EIC. Sealing of the holes in wall created during the copper pipe connection between IDU & ODU by proper sand, Cement Plastery and painting (both inside & outside ) to match up with the original mending good the damages the complete the instn. & cutting of ms grill of window/wall (if needed) and mending good the damages incl painting also scaffolding arrangement as per requirement of all complete as per direction of EIC.

SITC including vaccumiazation and Nitrogen of testing of following HVAC grade nominal size of soft copper refrigerent piping [ Make Royku / Totaline/ Mandeep ] for RAC system, complete with fittings with adjustable ring type hanger supports, jointing/brazing after bending, swerazing, welding complete with fittings, elbows, bends, globe valve of suction & liquid line supporting arrangement on walls including accessories, insulated with XLPE class -O tubular insulation/with Class-O closed cell elastometric nitrile rubber [ Make Supreme/ Aroflex ] tubular sleeves sections of specified thickness as given below for suction and liquid lines with supports & brackets as per direction of EIC all accessories according to specification etc. as required.

5/8" (15.88 mm.) dia (Soft drawn) Cu. Pipes (As per standard BS864 or ANSIB 16.22) with tube thickness 0.6 mm mm incl. 13 mm thick insulation.

1/4" (6.4 mm) dia (Soft drawn) Cu. Pipes(As per standard BS864 or ANSIB 16.22) with tube thickness 0.6 mm incl. 13 mm thick insulation.

Wrapping the copper pipe, insulation, cable by 26 SWG aluminum sheet to make it vermin proof and all accessories as per specification etc. as required.

Supply & laying of flexible PVC high quality water carrying pipe of 20mm size for draining water from already installed AC to any available (nearest) drain water pipe or near to ground level and the pipe must be properly saddled with the wall incl. proper insertion of the flexible pipe to drain water pipe and sealing the entry with required materials like PVC tape, High quality sealing the entry with required materials like PVC tape, high quality sealing gum etc. as reqd. All these arrangement for fixing must be arranged by the agency itself as per direction of EIC. (Make: Brand approved by EIC)

Supply and laying of 1.1 KV single core stranded 'PVC insulated FRLSH grade copper cable incl socketing, shaddling etc.as per direction of EIC ( Make : Gloster/ Polycab/ KEI / RR ) of requisite following diameter for the above Air-Conditioners as per direction of Engineer - In - Charge incl. necy. fittings as required as per G.S . [Power cable for connection betweeen indoor and outdoor units & also Control Cable for connection betweeen outdoor units to indoor ]

3 core x 4.0 mm² Round PVC insulated copper cable

4 core x 2.5 mm² Round PVC insulated copper cable

Only Installation the outdoor & indoor unit, after making holes in wall by expert labour also mending good after complete the work.Connecting the pipe line testing the leack by gas pressure (minimum 400 PSI ) and vacuuming the unit properly (Minimum -30 PSI), hold the vacuum up to 48 hours, after release the gas testing the Split type Room Air conditioner with supply & fitting adjustable powder coated painted heavy duty iron bracket. as per direction by EIC.

Supply & Fixing 240 V,25 A, 3 pin Modular type plug top with indicator (Brand approved by EIC) & necy. Connections.

Supply & Fixing of Heavy Duty Anti-Vibration Pad for each outdoor unit of AC machines for Isolation of Unwanted Vibration during the ODU in operation.

TERMS & CONDITIONS

i) The Agency must procure the materials from the Manufacturer / OEM or from their authorised sales channel so that the standard warranty / support of the Manufacturer / OEM becomes applicable to the products to be delivered and installed by them. ii) Documents that authenticates such procurement from the Manufacturer / OEM or from their authorized sales channel and standard warranty / support should be sent from the e-mail of the Manufacturer / OEM / authorized sales channel to the e-mail of Engineer-in-Charge and hard copy of it to be submitted during execution, of work/submission of bill. iii) The agency must submit detail datasheet report of cooling report with OEM authorized of total unit regarding the Air Conditioning work to complete the installation as per direction of EIC.

M/S SAHARA ENGINEERING

SREE GURU ENGINEERING

BURDWAN REFRIGARATION SERVICE