Replacement of Air Handling Units, Water Pipe Lines, Pump in Phase III (in Phased Manner) Admin Block at Integrated Air Cargo Complex Meenambakkam, Chennai Airport, Chennai.

Amount

Supply, Installation, Testing and commissioning of factory built floor mounted chilled water double skin type horizontal/vertical air handling units made of 25mm thick panels consisting of pre plasticized G.I. casing of thickness 0.8mm outside layer and 0.8 mm inside layer with polyurethane foam (PUF) insulation factory injected between them by injection moulding machine, complete with blower section with blower suitable for static pressure as required, minimum 2 bend GSS/ PVC eliminators,cooling coil section with aluminium finned copper tubes (tubes thickness not less than 0.5mm) cooling coil of 6 row deep, filter section with 50mm thick metal viscous/ washable synthetic type air prefilters, belt drive package with TEFC drive motor of effecinecy class IE3 suitable for 415 ± 10% volts, 50Hz, 3 Phase AC supply suitably designed for variable frequency drive applications, drain connections, stainless steel (18G) drain pan with PUF insulation, 150 mm dia. dial type pressure gauges (2 nos.)and industrial type thermometers (2 nos.) at the inlet and outlet of coil, auto purge valve wherever required, necessary vibration isolation arrangement etc. complete as per specification and of following capacities.

27000 CFM (Suitable for refrigeration capacity of 60TR )

Insulation of Chilled Water piping (Cement Insulation) All different type & Size of pipes etc., Supplying, laying/ fixing insulation for following pipes with fire retardant quality expanded polystyrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) and covering with chicken mesh and overall cement plastering etc as required for existing types of difference sizes in chilled water pipe line.

300 mm dia

200mm dia

100 mm dia

80 mm dia

CHILLED WATER PIPING Supplying, laying/ fixing, testing and commissioning of following nominal sizes of chilled water piping outside the building on roof /verical drops on walls /inside the buildings with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) without mounting supports on Terrace 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 250mm dia and above.

300 mm dia

200 mm dia

100 mm dia

80 mm dia

Supply, Installation,Testing and commisioning of UV Lamp in existing AHU's including power supply connection from AHU to UVGI panel complete to purify the air as per standards for the following AHU's

Replacement of existing AHU Filter in filter section with 50mm thick metal viscous/ washable synthetic type air prefilters in various size as given below

Supply installation testing and commissioning of Expansion tank fabricated with 10 mm thick MS plate with anti-corrosive primer, opening on the top insulated with 20 mm thick Puf insulation expanded polystyrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) and covering with chicken mesh and overall cement plastering etc, with suitable mounting frame work on brick work platform on terrace including plumbing connection for incomming and outgoing pipes and over flow pipe as required as directed.

Supply , installation, testing and commissioning of PN 16 rating of CI Butterfly valve in chilled water lines, complete with nut, bolt, gaskets, adequate supports, welding to be existing pipe line as per site condition. Conforming to specification provided.

100 mm dia

Supply and Installation of Butterfly valve in existing pipe lines of different sizes after cutting the existing pipe line with insulations and fixing of the new valves welding leak testing complete as required of the following sizes

300 mm PN-16 cast iron body with stainless steel disc including flanges for fixing the valve inside lining washer between flanges and pipe all complete as requires

200 mm PN-16 cast iron body with stainless steel disc including flanges for fixing the valve inside lining washer between flanges and pipe all complete as requires

Supply , installation, testing and commissioning of PN 16 rating of CI Balancing valves in chilled water lines, complete with flanges nuts, bolts, gaskets, adequate supports, welding to be existing pipe line as per site condition. Conforming to specification provided.

100 mm dia

Insulation of fixing of valves & fitting including necessary insulation materials as that for pipe line

Dismantling of old AHU for existing room and shifting charges for the new location including removing coils without damage.

Towards charges for assembly of AHU with coils including necessary pipe welding work, including necessary inculation materials.

Supply and Installation of AHU control panel fabricated out of 16 SWG powder coated sheet steel with weather proof protection having soft starter for motor, MCCB for incomer, over load protection for motor protection for single phasing prevention indicating lights with all internal wirings complete as per direction of Engineer in charge

Supply, Installation, Testing and commissioning of 3 way modulating control valve with actuator assembly EPS & Sand Cement Plastering Insulation for AHU outlet etc., complete as req

80 mm dia

YUDEK ENGINEERING P LTD

Aircon Technique Private Limited

VOLTAS LIMITED

TRAC FUJICO AIR SYSTEMS LLP

DElite System Engineering (India) Pvt. Ltd.