Rate contract for HVAC Installations at Terminal Buildings at Chennai International Airport for a period of TWO years.

Amount

Replacement of existing damaged M S Class 'C' / MS ERW, insulated chilled water pipe lines of following sizes (nominal Dia) along with all necessary accessories such as vibration isolators bends, reducers, tees, supports, flow indicators and fixing clamps of suitable size and thermally insulated with specified insulation materials etc., inside the Terminal building / masonary ducts including dismantling of damaged pipe lines and replacing with new insulated pipe lines, testing and commissioning etc., as per technical specfication complete as required

100 mm dia

65 mm dia

50 mm dia

Replacement existing faulty / damaged Butterfly valves of following sizes having cast iron body, cast bronze/ stainless steel disc, duly insulated with same specifications as that of connected piping complete with companion flanges with new bolt nuts, new gaskets, including dismantling of faulty / damaged butterfly valves and replacing with new one, reinsulation, testing and commissioning etc. as per technical specification complete as required.

80 mm dia

100 mm dia

125 mm dia

150 mm dia

Replacement of existing damaged M S Class 'C' / MS ERW, condenser water pipe lines of following sizes (nominal Dia) with necessary clamps, vibration isolators bends, reducers, tees, supports, flow indicators etc as per specification including dismantling of damaged pipe lines and replacing with new pipe lines, testing and commissioning etc., as per technical specification complete as required

350 mm dia

150 mm dia

Replacement of existing faulty / damaged butterfly valves of Motorized type 350mm size complete with cast iron body, cast bronze/ stainless steel disc, companion flanges, new bolt nuts, new gaskets, including dismantling of faulty / damaged butterfly valves and replacing with new one, testing and commissioning etc. as per technical specification complete as required.

Replacement of existing damaged G.S.S square / rectangular ducting of following thickness, to be fabricated at site complete with gaskets, elbows, splitters, vanes, supports including dismantling of damaged duct and replacing with new one, etc as per technical specification complete as required.

18 gauge

20 gauge

22 gauge

24 gauge

Replacement of existing damaged Thermal insulation, aluminium foil faced resin bonded fibre glass insulation of following thickness (on duct) of density 24kg/cu.m after applying two coats of cold setting adhesive (CPRX compound) sealing all joints with self adhesive aluminium tape, covered with G.I. wire mesh netting on the outside, including dismantling of damaged insulation and replacing with new insulation, complete etc. as per techincal specification as required.

25 mm thick

50 mm thick

Replacement of existing damaged XLPE insulation of following thickness (on duct) of density 24 kg/cu.m, Class'O' after applying suitable adhesive sealing all joints with self adhesive aluminium tape, including dismantling of damaged insulation, necessary cleaning of duct surface and replacing with new insulation, complete etc. as per technical specification complete as required

13 mm thick

25 mm thick

Replacement of existing damaged Nitrile rubber insulation of following thickness (on duct) of density 24 kg/cu.m, Class'O' after applying suitable adhesive, sealing all joints with self adhesive aluminium tape, including dismantling of damaged insulation, necessary cleaning of duct surface and replacing with new insulation, complete etc. as per technical specification complete as required

13 mm thick

25 mm thick

Replacement of existing blocked / damaged AHU Cooling coils of the following specifications i/c necessary modification of Chilled water pipe connection, insulation, including dismantling of blocked/ damaged cooling coil and replacing with new cooling coil, testing, commissioning etc., as per technical specification complete as reqd. No. of Rows = 6, Size of Copper Header = Minimum 2 inch dia Size of Copper pipe = 1/2 inch dia Thickness of copper pipe = 0.42mm Thickness of Aluminium fin = 0.15mm No. of Fins = 4.7 Nos/cm

Replacement of following size existing rusted Volume control dampers made of 16 SWG thick GI sheet, box type, low leakage, opposed blades, suitable links, levers and quadrants as required for their proper operation, control or setting devices, position indicating device, including dismantling of rusted Volume Control dampers and replaced with new one, testing and balancing, etc. as per technical specification complete as required

Upto 0.50 Sqm

From 0.51 to 1.00 Sqm

From 1.01 to 1.50 Sqm

From 1.51 to 2.25 Sqm

Buffing / Polishing for the column diffusers made of perforated stainless steel having approximate surface area of 11 Square meter, installed in Check-in & Security hold area at Domestic & International terminal buildings using suitable buffing compound as per technical specification complete as required.

Dismantling, Rewinding & Refixing of following motors of Smoke extractor fans installed at roof of terminal buildings and Air curtains i/c replacement of old bearings with new bearings, Painting of motor and as per technical specification complete as required.

3 Phase 5 HP Motor (for smoke extractor fan)

Single Phase upto 0.75 HP Motor

Single Phase upto 0.50 HP Motor

Single Phase upto 0.33 HP Motor

Replacement of existing worn out bearings of following capacity 3 Phase Motors of Smoke Extractor fans installed at roof of terminal buildings and Single Phase motors of Air curtains at terminal buildings with necessary cleaning, lubricating, alignment, including dismatling the worn out bearing and replace with new one, etc. as per technical specification complete as required.

3 Phase 5 HP Motor (for smoke extractor fan)

Single Phase upto 0.75 HP Motor

Single Phase upto 0.50 HP Motor

Single Phase upto 0.33 HP Motor

Fabrication, Supply and fixing of MS supports, frames for chilled water pipelines, Condenser water pipelines, Cooling towers and ducts from floor and ceiling with 'L' angle, 'C' section, 'I' section, MS Plates, threaded rod, etc as required including necessary welding, anchor fastener (wherever required), one coat of primer painting & two coat of enamel painting of approved color etc, as per specifications.

DElite System Engineering (India) Pvt. Ltd.

YUDEK ENGINEERING P LTD

CIS GLOBAL INFRATECH PRIVATE LIMITED