Supply, Installation, Testing and Commissioning of Chilled water Cassette indoor units with existing chiller For Medical Record Department of AIIMS Raipur

Amount

Chilled water Cassette type indoor units with compact cooling coil with low water pressure drops and maximum operating pressure, multispeed fan motor, the filters shall be Synthetic washable,low pressure drop and easily removable and replacement and inbuilt drain pump ,auto swing louver, Intake grills, frame and air distribution louvers on each side with Digital thermostat .The units shall be factory fitted with with valve package comprising of 2 way pressure independent valve suitable for variable CHW flow.with . The actuator of modulating valve shall be provided with interface cards existing BMS System .Detail Specification mention in NIT. Cassette Unit having a capacity as per below

1.5 TR with 400 cfm

2.0 TR with 730 cfm

3.0 TR with 1200 cfm

Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with following closed cell elastometric nitrile rubber of minimum 45 Kg / cu m density, thermal conductivity 0.037 W/MK or better at 20 deg mean temperature class ‘O’ insulation applied by suitable rubber based adhesive complete including repairing of damage to building etc. as per specifications and as required complete in all respect. Note:-The Pipes of sizes 150mm & below shall be M.S. ‘C’ class as per IS : 1239 and pipes size above 150mm shall be welded black steel pipe heavy class as per IS: 3589, from minimum 6.35mm thick M.S. Sheet for pipes upto 350 mm dia. and from minimum 7mm thick MS sheet for pipes of 400 mm dia and above..

Chilled water piping of nominal size - 65mm dia. (32mm thick nitrile rubber insulation)

Chilled water piping of nominal size - 50mm dia. (32mm thick nitrile rubber insulation)

Chilled water piping of nominal size - 40mm dia. (32mm thick nitrile rubber insulation)

Chilled water piping of nominal size - 32mm dia. (19mm thick nitrile rubber insulation)

Chilled water piping of nominal size - 25mm dia. (19mm thick nitrile rubber insulation)

Supplying, fixing, testing and commissioning of following valves, strainers, gauges in the chilled water plumbing duly insulated to the same specifications as the connected piping and adequately supported as per specifications , BUTTERFLY VALVE (MANUAL) with C I body SS Disc, Nitrile Rubber Seal & ORing PN 16 pressure rating for chilled water/hot eater circulation as specified

BUTTERFLY VALVE (MANUAL) 65 mm

BUTTERFLY VALVE (MANUAL) 50 mm

BUTTERFLY VALVE (MANUAL) 40 mm

Providing and fixing Brass Ball Valve, Full Bore,Two Piece Design, Quarter Turn, Lever Operated, Suitable for Chilled water complete as required.Detail Specification mention in NIT Sizes are below:

32 mm Nominal Bore ball valve

Supplying and fixing suitable size GI box with modular plate and cover in front on surface or in recess, including providing and fixing 6 pin 5/6 & 15/16 A modular socket outlet and 15/16 A modular switch, connections etc. as required.

Wiring for circuit/ submain wiring alongwith earth wire with the following sizes of FRLS PVC insulated copper conductor, single core cable in surface/ recessed medium class PVC conduit as required

3 x 2.5 sqmm copper cable

2 X 4 sq. mm + 1 X 4 sq. mm earth wire

Supplying and drawing 2X1.5 Sq.mm sizes of FRLS PVC insulated sealed copper conductor,two core cable in the existing surface / recessed steel/ PVC conduit as required.

Providing and fixing Chlorinated Polyvinyl Chloride (CPVC) pipes, having thermal stability for hot & cold water supply, including all CPVC plain & brass threaded fittings, including fixing the pipe with clamps at 1.00 m spacing. This includes jointing of pipes & fittings with one step CPVC solvent cement and testing of joints complete as per direction of Engineer in Charge.

25mm Outer dia

32mm outer dia

Supply and fixing of insulation of 6 mm nitrile rubber on CPVC Drain Piping complete as required .

Blue Star Limited

Industrial Project and Products Company

M. K. Aircon Systems Pvt. Ltd.

MARK ENGINEERING INC