NISER/MECH/AC/GH/2023-24/12_2

Supply, Installation, Testing and Commissioning of following capacity microprocessor-based Ductable Inverter type 3 phase AC units with Scroll type compressor along with fast charge of refrigerant complete with all components, controls, inter-locking , electrical accessories i/c air cooled condenser as required. Back-up options must be available when the main console fails. Temperature to maintain between 20 - 28 degrees with humidity up to 70%. 11TR Ductable AC Unit with scroll compressor with copper coil. Preferred make, Carrier, LG or Diakin

Supplying, Installation, Testing and Commissioning of hard drawn copper tube duly insulated by nitrile rubber insulation including cutting , bending , jointing, brazing etc. complete with 9 mm thick insulation as required as instructed by EIC for suction or liquid line

Supplying, Installation, Testing and Commissioning of hard drawn copper tube duly insulated by nitrile rubber insulation including cutting , bending , jointing, brazing etc. complete with 9 mm thick insulation as required as instructed by EIC for discharge or vapour line

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

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, and supports etc. as per approved specifications of following sheet thickness complete as required. Site fabricated GSS sheet metal rectangular ducting as per IS 655-2006. 0.80 mm

Supplying and fixing of 25 mm thickness duly laminated aluminium 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 complete as per specifications as required.

Providing plumbing work for drainage requirements i/c supply of CPVC pipe, fittings such as bends, reducer, elbows, tees, unions, flanges, including insulation of piping with 6 mm thick nitrile Insulation sleeve etc. as Required. Preferred make – Astral, Supreme or Oriplast

Supplying & fixing of powder coated extruded aluminium supply air grills with aluminium volume control dampers as per specifications.

Supplying & fixing of powder coated extruded aluminium supply air grills with louvers but without volume control dampers as per specifications.

Supplying & fixing testing commissioning of supply diffusers of powder coated aluminium with aluminium volume control dampers with anti-smudge ring & removable core

Supplying & fixing testing commissioning of return air diffusers of powder coated aluminium without volume control dampers with anti-smudge ring & removable core.

Heating kit/ Dehumidifier comprising strip heaters, thermostat, humidistat, safety thermostat. The minimum capacity of heaters shall be as indicated below. The heaters should be arranged in independently operating banks, in the main Return air at suitable location and the controls shall be housed in a separate factory fabricated box and complete as required. Heater capacity should cater for all seasonal variations and changes in equipment/product load from 0% to 100%. Heater bank shall be operated through Humidistat and thermostat. Heaters shall be connected in equal capacity across each phase as per following. Preferred make - GEC or equivalent. 6 KW Strip Heater for De Humidification

Supply, installation, testing and commissioning of growth room of 80 mm PUF panel with cam-lock joint with one side 0.5 mm PPGI sheet and other side 0.5 mm SS 304 sheet. PUF density: 40 +or- 2 kg/m3. Two Growth Room size: 12ftX15ftX9ft. Counter entry corridor size: 24ftX3ftX9ft. Flooring with 80 mm PUF panel with 1.2 mm anti-skid GI sheet. Provision of 5 nos hinged door of 750mmX2000mmX80mm with door view glass. Condensing and Evaporating units (Preferred make - RINAC or equivalent) of 5 KW capacity to maintain 2 to 8 Deg. C with hermetic compressor including Copper piping, insulation with nitrile rubber insulation and accessories as required including temperature controller (preferred make - Dixell or equivalent), expansion valve, charging of eco-friendly refrigerant (R-404A/ R-407C/ equivalent), Drain piping as required, electrical control panel, 4 nos. light for each room and corridor as required with separate control switch with following detailed specification - Power input 653.0 W, Spectrum Range 380-780nm at 2 meter growth height R : FR ratio minimum, 13.0 (Sellaro et al. 2010), 13.7 (Smith 1982) 14.0 (600-699/700-799 nm). Light output (380 - 780nm). 1691.27μmol/s Target Average Intensity 300.0 μmol/m2/s Calculated Average Intensity 282.38 μmol/m2/s Light Loss 23.67% Area within target intensity range (200.0 - 400.0 μmol/m2/s) [Yellow] 98.0 %Area below target intensity (< 200.0 μmol/m2/s) [Blue] 1.0 % Area exceeding target intensity (> 400.0 μmol/m2/s) [Red] 0.0 %, Heat Produced 77981.26 BTUs / 82270.23 kJ. Wiring with appropriate size of wire including Sub-panel to control panel and all accessories as required to complete as instructed by EIC