Supply, Installation, Testing and Commissioning of Inverter Type Split Air Conditioning Units and Providing and Fixing of Mineral Fiber Acoustic False Ceiling with GI T-Grid Suspension System

Providing and fixing of 16 mm thick Mineral Fibre Acoustic Ceiling Tiles of size 600 x 600 mm of approved texture, design and pattern to match with the existing false ceiling design across the C-DOT Campus (Approved make: Armstrong – Minatuff RH99 / DUNE RH-99, Micro Look or equivalent as approved by the Engineer-in-Charge), having Humidity Resistance (RH) of 99%, Light Reflectance ≥ 85%, Thermal Conductivity k = 0.052–0.057 W/m·K, NRC Value > 0.65, and Fire Performance as per BS 476 Part 6 & 7, in true horizontal level, suspended on interlocking Hot Dipped All Round GI T-Grid system of 0.33 mm thick (galvanised @ 120 GSM) comprising Main T-Runners of 15 x 32 mm x 3000 mm, Cross Tees of 15 x 32 mm x 1200 mm and Secondary Cross Tees of 15 x 32 mm x 600 mm, forming a grid module of 600 x 600 mm to match the existing grid pattern; the grid suspended from the ceiling / soffit using 6 mm dia fully threaded GI hanger rods up to 1000 mm length with L-shape level adjusters of 85 x 25 x 2 mm and M-6 Dash Fasteners, spaced at 1200 mm c/c along Main T-Runners; GI Perimeter Wall Angle of 24 x 24 mm (0.40 mm thick) fixed to walls with plastic rawl plugs at 450 mm c/c and 40 mm long SS dry wall screws; all exposed bottom portions of T-sections to be pre-painted with polyester baked paint; necessary provisions for electrical light fixtures and cable routing to be made and finished properly, the rate being inclusive of the same; for all heights, all complete as per drawings, specifications, and directions of the Engineer-in-Charge. 45 sqm

Supplying , Installation, Testing and Commissioning of Air Cooled 2 TR Inverter type along with 4 KVA capacity voltage stabilizer. The AC should be 5 star BEE rating Hi Wall split type Air conditioners complete with Indoor unit(IDU), Out door unit (ODU), surface / concealed copper Refrigerant piping with insulation (closed cell elastomeric nitrile rubber tubular pipe section) upto 3 Mtr (IDU to ODU), copper power cable upto 3.5 Mtr (IDU to ODU) i/c drain pipe R-32/R-410/ R-407 Green Refrigerant, wireless Remote control, suitable for working between 180- 260V with low & high voltage cut-off and 50 hz ,1 phase AC supply capable of performing cooling ,dehumidification, air circulation of following capacity with Scroll / rotary compressor. The system shall be able to deliver 100% of the rated capacity upto 42 Deg.C. Min 10 years Original Equipment Manufacturer (OEM) warranty for compressor and 5 years for Printed Circuit Board (PCB) . Must comply : Electrical cable IS 694 or IS 9968 temperature sensing control IS /International Electro technical Commission (IEC) 60730, hermetic compressor IS 10617, heat exchanger IS 11329, capacitor IS 2993 and motor IS 12615. Complete as per CPWD specification and IS : 1391 Part II 2023. AC - Preferred Make: Blue star/ Voltas/ Carrier/ LG/ Daikin. Stabilizer – Preferred Make : Everest, V-Guard, Havells.