Re works of chiller plant at Vismaya building Infopark Phase 1

Supplying, fixing, testing and commissioning of NON- RETURN VALVE with duel plate of C I body SS plated vulcanized NBR Seal flanged end & PN 16 pressure rating for chilled water circulation including insulation as specified - 250 mm dia

Supplying, fixing, testing and commissioning of NON- RETURN VALVE with duel plate of C I body SS plated vulcanized NBR Seal flanged end & PN 16 pressure rating for chilled water circulation including insulation as specified - 200 mm dia

Supplying, fixing, testing and commissioning of BUTTERFLY VALVE (MANUAL) with C I body SS Disc,Nitrile Rubber Seal & O-Ring PN 16 pressure rating for chilled water circulation as specified - 250 mm

Supplying, fixing, testing and commissioning of BUTTERFLY VALVE (MANUAL) with C I body SS Disc,Nitrile Rubber Seal & O-Ring PN 16 pressure rating for chilled water circulation as specified - 200 mm

Supplying, fixing, testing and commissioning of Y- Strainer of Ductile CI Body flanged ends with stainless steel strainer for chilled circulation including insulation as specified - 250 mm dia

Supplying, fixing, testing and commissioning of Y- Strainer of Ductile CI Body flanged ends with stainless steelstrainer for chilled circulation including insulation as specified - 200 mm dia

Supplying, laying/ fixing, testing and commissioning of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required complete in all respect. -(75mm thick expanded polysterene) Note:- 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. - 200mm dia.

Supplying, laying/ fixing, testing and commissioning of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required complete in all respect. -(75mm thick expanded polysterene) Note:- 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 - 250mm dia.

Supplying, laying/ fixing, testing and commissioning of chilled water piping plumbing inside the building (with necessary clamps, vibration isolators and fittings but excluding valves, strainers, gauges etc.) duly insulated with fire retardant quality expanded polystrene moulded pipe section of density 20 kg/cu.m after a thick coat of cold setting adhesive (CPRX compound) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date) at joints repairing of damage to building etc. as per specifications and as required complete in all respect.(75mm thick expanded polysterene) Note:- 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 - 350mm dia.

Providing & fixing in position the mercury in glass industrial type thermometers

Supplying, laying/ fixing, testing and commissioning of 250mm Rubber Bellow

Supplying, laying/ fixing, testing and commissioning of 200mm Rubber Bellow

Providing and fixing in position the industrial type pressure gauges with gun metal / brass valves complete as required

Providing and fixing temperature Gauges of 4 inch 100 mm

SITC of motor coupled with pump : Centrifugal Back-pull out type Primary chilled water circulation pumpset with sealol 507.5 or equivalent mechanical seal including SS 410 gland plate Accessories like base plate ,coupling,coupling guard,foundation bolts etc. Flow rate - 50 LPS , Head - 15 meter and motor capacity (in Kw ) shall be suitable to match with said flow rate and head IE2 efficiency ,foot mounted motor, Cast Iron impeller as per specifications. (PRIMARY - 4 nos )

SITC of motor coupled with pump : Centrifugal Back-pull out type - For secondary chilled water circulation pumpset - Flow rate - 80 LPS , Head - 30 meter and motor capacity (in Kw ) shall be suitable to match with said flow rate and head & For condenser chilled water circulation pumpset- Flow rate - 80 LPS , Head - 20 meter and motor capacity (in Kw ) shall be suitable to match with said flow rate and head with sealol 507.5 or equivalent mechanical seal including SS 410 gland plate Accessories like base plate ,coupling,coupling guard,foundation bolts etc IE2 efficiency ,foot mounted motor Cast Iron impeller as per specifications: (SECONDARY -3 nos , CONDENSER -3 nos )

The pumpset shall be placed on the inertia block with pedestals. The pump shall be mounted inertia frames with anti vibration mounts and placed over concrete foundation blocks with nosing frames. The fixing bolts shall be of stainless steel. Cushy foot isolators shall be used and rubber pads are not permitted.

Supplying, laying/ fixing, testing and commissioning of insulation 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) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip(as per IS:1322 as amended up to date Insulation with Expanded polystrene of thickness 75mm- 200mm butterfly valve on existing

Supplying, laying/ fixing, testing and commissioning of insulation 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) wrapping with 500g polythene faced hessain and finally applying 0.63mm aluminium sheet cladding complete with type3, grade 1 roofing feltstrip(as per IS:1322 as amended up to date Insulation with Expanded polystrene of thickness 75mm on existing pipe

Dismantling of all existing materials and equipment, including non-return valves (200mm and 250mm), manual butterfly valves (200mm and 250mm), Y-strainers (200mm and 250mm), piping of various diameters (200mm, 250mm, and 350mm), rubber bellows, pump sets with 11kW and 30kW motors, temperature gauges, pressure gauges, section guides, MS supports, air separator, close expansion tank, and balancing valves. All dismantled items shall be carefully removed and shifted to a location outside the chiller plant . The process must be carried out with proper care to avoid any damage to reusable components, in compliance with relevant safety standards and site instructions.

Steel work in built up tubular (round, square or rectangular hollow tubes etc.) trusses etc., including cutting, hoisting, fixing position and applying a priming coat of approved steel primer, including welding and bolted with special shaped washers etc. complete.

Temporary Arrangement for Main Header Line Replacement – Chiller Plant Room In order to ensure uninterrupted operation of the chiller plant during the replacement of the main header line in the plant room, a temporary arrangement shall be made using the existing chiller, primary pumps, secondary pumps, condenser pumps (motor-coupled), bellows, and necessary valves. If required, temporary piping connections and extended electrical wiring shall be provided to integrate the temporary arrangement and maintain continuous functionality of the chiller plant during the replacement work. Note: The primary objective is to carry out the maintenance activity with minimal shutdown of the chiller plant, ensuring smooth and uninterrupted plant operations.