Special renovation and remodeling of existing Supply and Return Air Duct and rectification of damaged chiller parts

Amount

UNDERDECK INSULATION: Supply & fixing of underdeck insulation with 50mm thick TF quality Expanded polysterene slab. Make - Aastha Polymner

DUCT THERMAL INSULATION: Supplying and fixing of 19 mm thick 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. [Make - Armacell / K Flex / A-Flex]

Supply, design, fabrication and installation of Class-VIII, 120 GSM Galvanised sheet metal supply/return air duct as per approved drawing along with necessary supports, hangers, flanges etc. as required and as per IS 655 and IS-277 standards of following gauges. (As per direction of E.I.C)

24 SWG thick

22 SWG thick

Supply, design, engineering, fabrication and fixing of new pre-insulated Air Plenum to connect 2 nos. existing Double Skinned OT AHUs in order to make the system 100% standby (1 working & 1 stand by) including supplying necessary quantities of 20 SWG, 120 GSM, Class-VIII GI Sheets and 25 mm thick class O closed cell Aluminium foil faced nitrile rubber insulation and suitable sufficient adhesive. The job also includes making connection of existing ducted mouth connections including checking, rectification/replacement and reinstallation of Strip Heater bank. (As per direction of E.I.C).For Supply & Return Air.

Checking, rectification/replacement of existing Strip Heater Bank and accessories connected to existing AHUs (As per direction of E.I.C)

Supply, fabrication and installation of MS structure supports with 'I' beam/C Channel/Angle for strengthening foundation base of the existing AHU and accessories by dismantling, disconnection removal and reinstallation of the same in safe and secured manner including supply, repairing, rectification and replacement of damaged portion of refrigerant copper pipe, duct and insulation for proper functioning. (As per direction of E.I.C)

Supply, design, fabrication and installation of required Return Air Risers made out of 22 swg Aluminium Duct with 25 mm thick class O closed cell Aluminium foil faced Nitrile Rubber Insulation with suitable Return Air Grilles including supply and repairing rectification of damaged portion of duct and insulation for proper functioning. (As per direction of E.I.C)

Defect Liabibility Period 1 (One) year

Make & model of each and every material to be approved by EIC

P. M. COOLING AND ENGINEERING CO (BID ID -6118478)

M.S. COOLING & ENGINEERING CO. (BID ID -6118627)