Electrical Installation work of proposed extended OT Complex of Murshidabad Medical College and Hospital, Murshidabad - SITC OF AC MACHINE.

Supply & Delivery of Ceiling Suspended Ductable type Split Airconditioners having Microprocessor Based Control System and the following specification Capacity - 5.5 Tonnage (upto +1 TR acceptable) Rated Cooling Capacity - 66000 BTU/Hr. No of IDU - 1 No Air-flow / IDU - 2200 CFM No of ODU - 1 Compressor - 1 No Scroll Compressor Refrigerent - R 410A Condenser & Cooling Coil : Copper coil

Power Supply : 415V, 50 Hz, 3 Ph AC (with applicable tolarance) Make - Carrier/ Voltas/ Blue Star/ Mitsubishi Electric / Hitachi/ Trane/ YORK / DIAKIN

Installation Testing and Commissioning of Ductable Split AirConditioners by making scaffolding arrangement as per site condition, Supply of necessary Refrigerant, connecting Control & power cabling & other necessary materials to complete the job.

5.5 TR Ceiling Suspended Ductable type Split AC

Installation, Testing & Commissioning of Indoor & Outdoor unit of above Exsisting Hi wall split AC machine after making hole in wall etc as per direction of EIC including Supply of required Refrigerant, S&F of necessary fixing arrangement for indoor and 50 x 50 x 6 mm MS angle iron frame for outdoor unit (or arrangement recomended by Manufacturer), duly painted, laying and making connection of refrigeration pipe, power cable, drain pipe etc as per direction of the EIC.

Sub Head 2 : Refrigerent Piping, Supply, Installation, testing and commissioning including vaccumiazation and Nitrogen testing of following nominal sizes of soft/hard drawn copper refrigerant piping for Package/ VRV/VRF/RAC system, complete with fittings, with suitable adjustable ring type hanger supports, jointing/brazing including accessories, insulated with XPLE Class-O tubular insulation /with Class-O closed cell elastometric nitrile rubber tubular sleeves sections of specified thickness as given below for Suction and Liquid lines, all accessories as per specifications etc. as required :

12.70(1/2") mm dia (OD) (Soft drawn) with tube thickness 1.2 mm & 22.2 mm dia (OD) (Hard drawn) with tube thickness 1.2 mm with 21.88 mm thick insulation including

Supply & Installation of 6mm Nitrile Rubber insulated PVC / HDPE pipes of following sizes with fitting, accessories, bends, elbows, tees, flanges, U-trap, wall sleeves, hangers, supports, anchors etc for draining condensate water from indoor unit to the nearest drain point. 25 mm Dia (Make-ashirvad/supreme)

32 mmDia

Sub-Head 3 - Ducting Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal ( Make-Tata Steel/Sail/Jindal ) rectangular/ round ducting complete with neoprene rubber gaskets,elbows,splitter dampers, vanes, hangers, supports etc as per approved drawings and specifications of following sheet complete as required Thickness 20 SWG sheet

Thickness 22 SWG sheet

Duct tharmal insulation by supplying and fixing of 19mm 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 as per specifications and as required.

Supply and fixing of acoustic lining of supply air duct and plenumn with 25 mm thick resin bonded glass wool having density of 32 kg/m³, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc. complete as required and as per specifications.

Supplying & fixing of powder coated extruded aluminium Supply Air Grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium Return Air Grills with louvers but without volume control dampers complete as required

Supply, installation, testing and commissioning of GI Non-return damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications for stand by units

Supply, installation, testing and commissioning of Flexible Canvas Connection as per direction of the EIC.

Supplying, fixing, testing & commissioning of fresh air provision as per direction of the EIC incl. filter, motorised damper, bird screen etc complete as required.

SITC of 6A Limit switch for control the Fresh air Motorized Damper(Fresh air damper Will be Closed when open the Door.Fresh Air Damper will be Open when Close the Door) including necessary wiring by 1.5 sqmm FRLS wire in 20 mm rigid conduit with necessary fittings.(Make- HONEYWELL)

Sub-Head 4-- Misceleneous Items Supply, fabrication & fixing 3 Nos. M.S. u-channel of 6mm thick of size (75 mm x 40 mm x 40mm) of 1 mtr length for making platform for installation of outdoor unit of ductable packaged split AC incl. drilling 2 Nos. holes in each channel including cutting holes the wall & grouting the same with Cement concrete (1:11/2 :3) etc. fabricated with horizontal angle of 50mm x 50mm X 6mm 6mm of 2 Mtr length including supporting angle 50mm x 50mm x 6mm in each platform in outer edge for transmitting the load centrally through 2Nos.(50mm x 50mm x6mm) Angle inserted into the exiting wall. The platform should be baricated with verticle angle of 25mm x 25mm x 6mm of 1 mtr. length, abricated on the surface of each Horizontal channel & Angles & interconneed by 25mm x 25mm x 5mm MS patti. Area of platform is 3Mtr. x 1 Mtr.

Supply and delivery of 1.8/2.0 Ton SPLIT type room air conditioner machine having the following specification:- (a) Cooling capacity nominal (BTU):24000 (b) Star rating- 3 to 5 star. (c) Rated voltage—230v +/-5%, Frequency-50Hz. (d) Compressor type-Rotary, Condenser and evaporator- Copper Coil (e) Refrigerant : R32/R410A (f) Mini. Room Discharge air flow rate 600CFM. (g) Cordless Remote arrangement with all modernize provision of temperature setting, Fan speed option (low/medium/high), Auto swing, Air direction setting, Timer facility, Turbo operation setting, Air ventilation arrangement and others.Incl. delivery charges, the Compressor of the AC machines should be warranted for 5 years.(MAKE-O-GENERAL[ASGG24CETB(R-32)]/ Mitsubishi[MSY-GR22VFT & MUY-GR22VFT]) and the Split AC machine should be warranted for 3 years

Supply,Installation testing and commissioning of wall mounting Bracket for 1.9/2.0 Ton split type AC machine on wall by appropriate mounting kit and testing whole refrigeration system with all joints, valves etc incl leak testing, supply and filling refrigeration gas, making hole in wall, mending good to damages, original finish andc paintings etc.

Supply and installation of Copper refrigeration pipe of suitable diameter, insulation of pipe by nitrile rubber tube Insulation on suction/liquid line copper pipe of split AC, tape joiting material, connecting IDU and ODU by 3 core 2.5MM Copper Wire for 1.9/2.0 Ton split AC machines as par direction of EIC

5/8" & 1/4" copper pipe incl.

Supply & laying 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 - 40 mm dia (Make-Ashirvad/Supreme)

Charges for scaffolding arrangement incl. lifting of outdoor & indoor units of AC machines(total 14 nos)

Dismantling the existing AC from site, & keep them to the departmental store by 01 no semi skilled & 2 nos unskilled person for 1/2 Hr & using Co's own tools & tackles, mending good damages to original finish and painting etc.