GENERAL-Government Secretariat, Thiruvananthapuram - Replacement of 2 Nos 5.5TR Ductable AC units in the Finanace Budget Hall-AC-Electrical AC Work

OD22104/2026-2027:Supply, installation, testing and commissioning of 5.5 TR ductable split air conditioner unit consisting of ceiling suspended ducted type indoor unit, single circuit out door unit with efficient inverter scroll compressor conforming to IS 1391 (Part2/92) suitable for operating 415+-10% ,50 Hz three phase AC supply with power consumption norms as specified in the standards operating on R-410A / R407C non CFC refrigerant with condensing and evaporating units of copper tubes cable for cooling , dehumidifying ,air circulating and bio filter activated carbon cum electrostatic filter etc including microprocessor control with s remote control etc. with all standard fittings, safety device like HP/LP cutout single phase preventer, overload relays, microprocessor control with digital display etc as required (MAKE :Blue star/ Carrier/Panasonic/Diakin/Mitsubishi)

OD22106/2026-2027:Supply and providing heavy duct flexible double layer fire-retardant canvas connection with rexin shall be provided at the outlet of Ductable split/package unit and also for expand joints with necessary flanges, supports etc as required

16.12.2.1:Supply, Installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular / round ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports, etc as per approved drawings and specifications of following sheet thickness complete as required.Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006 for 0.63 mm thick

OD128064/2026-2027:Supplying and fixing of following thickness duly laminated aluminum foil of mat finish/rouguh type sound absorb type 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 complete as per specifications and as required. Nitrile rubber insulation - 19 mm

OD22102/2026-2027:Uninstalling the existing damaged indoor and outdoor units of 5.5 TR ductable split A/C units by removing their supports, duct connections, copper refrigerant piping etc. as required, take the outdoor units from the top of north committee room by any means and conveys it in to the section store without any further damage.

OD22105/2026-2027:Supply for filling sufficient quantity of freon R 410 A/407C gas for existing air conditioner unit including leak testing rectifying the defects leak arresting including brazing and make the compressor in good working condition .

OD22101/2026-2027:Supply and providing hard drawn copper refrigerant piping including all accessories, properly brazed and insulated with chemically cross linked nitrile rubber fire retardant grade Class O insulation with necessary supports as required. - 7/8 Inch (22.225 mm) 22 gauge

OD22103/2026-2027:Supply and providing hard drawn copper refrigerant piping including all accessories, properly brazed and insulated with chemically cross linked nitrile rubber fire retardant grade Class O insulation with necessary supports as required. - 1/2 Inch (12.7 mm) 22 gauge

90.6.5.20:Supply and drawing the following sizes of multi-core PVC insulated & FRLS PVC sheathed 650/1100 V grade copper conductor round flexible cables conforming to IS 694 part I 1960 in the existing surface / recess conduit as required including giving necessary connections of the following sizes.4 core 4.00 sq mm