HVAC works of Critical Care Block at Govt Medical College Manjeri

od248323/2022_2023 : Supply, Installation ,testing and commissioning of 30 HP minimum capacity Air-cooled VRF (Variable Refrigerant Flow) Outdoor unit with variable speed inverter driven multiple compressors complete with suitable capacity drive motors conforming to IE3 as per IS 12615, air cooled condenser, R410A/R407C refrigerant, oil separator, with all accessories, and safety devices like thermal protector, pressure relief valve, high-low pressure cut off etc . Necessary structural supports, ODU vibration isolators shall be considered . Equipment shall be suitable for 3 phase, 415 V, 50Hz supply along with suitably rated starter panel & associated accessories, suitable interconnecting control cabling between IDUs, ODUs ,power cabling between isolator and single/multiple outdoor units along with associated electrical accessories. Required supports including structural supports /RCC/ cement concrete foundation shall be included as part of equipment . COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5. The efficiency of the equipment shall meet ECBC/ASHRAE latest standards etc. complete in all respects as per the technical specifications.(single feeder power source will be provided for outdoor units).

od248324/2022_2023 : Supply, Installation ,testing and commissioning 18 HP minimum capacity Air-cooled VRF (Variable Refrigerant Flow) Outdoor unit with variable speed inverter driven multiple compressors complete with suitable capacity drive motors conforming to IE3 as per IS 12615, air cooled condenser, R410A/R407C refrigerant, oil separator, with all accessories, and safety devices like thermal protector, pressure relief valve, high-low pressure cut off etc . Necessary structural supports, ODU vibration isolators shall be considered . Equipment shall be suitable for 3 phase, 415 V, 50Hz supply along with suitably rated starter panel & associated accessories, suitable interconnecting control cabling between IDUs, ODUs ,power cabling between isolator and single/multiple outdoor units along with associated electrical accessories. Required supports including structural supports /RCC/ cement concrete foundation shall be included as part of equipment . COP at AHRI conditions shall not be less than 3.1 and IEER not less than 6.5. The efficiency of the equipment shall meet ECBC/ASHRAE latest standards etc. complete in all respects as per the technical specifications.(single feeder power source will be provided for outdoor units).

od248333/2022_2023 : Supply, Installation , testing and commissioning of the following capacity VRF compatible Air handling units with AHU Kit with all standard fittings, outlet volume control dampers, UV Emitters with reflectors to be fixed on the coil surface with removable extruded aluminium frames. UV emitters shall be minimum 12watt/Sq.ft. of coil surface area for equal distribution, filter section shall comprise of prefilter The efficiency of the filters shall be 90% down to particle size of 10 microns (MERV-8) and bag filter of 99% efficiency down to 3 micron (MERV 13) filters complying to ASHRAE 52.2 , cooling coil of copper tube and aluminium fin construction, drier, first charge refrigerant gas of R410A/407C, IDU SS drain pan, squirrel cage, TEFC, 3-Ph induction motor, DIDW centrifugal fan, drive package and cushy-foot mounting, all housed inside housing of a double skin construction AHU with vibration isolation arrangement flexible connectors, IDU SS drain pan, as per specifications complete with power wiring, suitable capacity drive motor conforming to IE3 as per IS 12615, electrical controller, temperature controller with digital display, thermostat, control wiring, complete with necessary vibration isolators, all housed inside housing of a double skin construction AHU with vibration isolation arrangement, PVC drain pipe connections(upto 5 m) with 9mm thick round nitrile rubber insulation finished with 7 mils woven fibre glass cloth covering adhered between two coats of fungicidal protective coating, including U-trap along with necessary elbows, fittings etc ,power/control cabling from power supply, etc. complete in all respects as per technical specifications.<br>20TR (8000 CFM) - 50 mm of WG ESP

od248336/2022_2023 : Supply, Installation ,testing and commissioning of following minimum capacity Double skin, sheet metal VRF compactable Ceiling Suspended Unit including AHU kit, all accessories as required as per technical specifications complete with outlet volume control dampers, canvas connections, UV Emitters with reflectors to be fixed on the coil surface with removable extruded aluminium frames. UV emitters shall be minimum 12watt/Sq.ft. of coil surface area for equal distribution, The efficiency of the filters shall be 90% down to particle size of 10 microns (MERV-8) and bag filter of 99% efficiency down to 3 micron (MERV 13) filters complying to ASHRAE 52.2 , cooling coil of copper tube and aluminium fin construction, drier, first charge refrigerant gas of R410A/407C, IDU SS drain pan, squirrel cage, TEFC, 3-Ph induction motor, DIDW centrifugal fan, drive package and cushy-foot mounting, all housed inside housing of a double skin construction AHU with vibration isolation arrangement, power wiring and power/control cabling(indoor to outdoor),digital thermostat with required control wiring, required starter and starter panel , structural supports for fixing IDU, safety devices etc. the following minimum capacity and the cooling coil (min 4 rows), suitable for three phase 440V supply, complete in all respects as per technical specifications.(Minimum External Static Pressure 25 mm of WG )8 TR-3200 CFM - 25 mm of WG ESP

od248339/2022_2023 : Supply, Installation ,testing and commissioning of following minimum capacity Double skin, sheet metal VRF compactable Ceiling Suspended Unit including AHU kit, all accessories as required as per technical specifications complete with outlet volume control dampers, canvas connections, UV Emitters with reflectors to be fixed on the coil surface with removable extruded aluminium frames. UV emitters shall be minimum 12watt/Sq.ft. of coil surface area for equal distribution, The efficiency of the filters shall be 90% down to particle size of 10 microns (MERV-8) and bag filter of 99% efficiency down to 3 micron (MERV 13) filters complying to ASHRAE 52.2 , cooling coil of copper tube and aluminium fin construction, drier, first charge refrigerant gas of R410A/407C, IDU SS drain pan, squirrel cage, TEFC, 3-Ph induction motor, DIDW centrifugal fan, drive package and cushy-foot mounting, all housed inside housing of a double skin construction AHU with vibration isolation arrangement, power wiring and power/control cabling(indoor to outdoor),digital thermostat with required control wiring, required starter and starter panel , structural supports for fixing IDU, safety devices etc. the following minimum capacity and the cooling coil (min 4 rows), suitable for three phase 440V supply, complete in all respects as per technical specifications.(Minimum External Static Pressure 25 mm of WG ) 4 TR-2400 CFM - 25 mm of WG ESP

od248340/2022_2023 : Supply, Installation ,testing and commissioning of following minimum capacity Double skin, sheet metal VRF compactable Ceiling Suspended Unit including AHU kit, all accessories as required as per technical specifications complete with outlet volume control dampers, canvas connections, UV Emitters with reflectors to be fixed on the coil surface with removable extruded aluminium frames. UV emitters shall be minimum 12watt/Sq.ft. of coil surface area for equal distribution, The efficiency of the filters shall be 90% down to particle size of 10 microns (MERV-8) and bag filter of 99% efficiency down to 3 micron (MERV 13) filters complying to ASHRAE 52.2 , cooling coil of copper tube and aluminium fin construction, drier, first charge refrigerant gas of R410A/407C, IDU SS drain pan, squirrel cage, TEFC, 3-Ph induction motor, DIDW centrifugal fan, drive package and cushy-foot mounting, all housed inside housing of a double skin construction AHU with vibration isolation arrangement, power wiring and power/control cabling(indoor to outdoor),digital thermostat with required control wiring, required starter and starter panel , structural supports for fixing IDU, safety devices etc. the following minimum capacity and the cooling coil (min 4 rows), suitable for three phase 440V supply, complete in all respects as per technical specifications.(Minimum External Static Pressure 25 mm of WG )<br>3 TR-1200 CFM - 25 mm of WG ESP

od248342/2022_2023 : Supply, Installation ,testing and commissioning of following minimum capacity Double skin, sheet metal VRF compactable Ceiling Suspended Unit including AHU kit, all accessories as required as per technical specifications complete with outlet volume control dampers, canvas connections, UV Emitters with reflectors to be fixed on the coil surface with removable extruded aluminium frames. UV emitters shall be minimum 12watt/Sq.ft. of coil surface area for equal distribution, The efficiency of the filters shall be 90% down to particle size of 10 microns (MERV-8) and bag filter of 99% efficiency down to 3 micron (MERV 13) filters complying to ASHRAE 52.2 , cooling coil of copper tube and aluminium fin construction, drier, first charge refrigerant gas of R410A/407C, IDU SS drain pan, squirrel cage, TEFC, 3-Ph induction motor, DIDW centrifugal fan, drive package and cushy-foot mounting, all housed inside housing of a double skin construction AHU with vibration isolation arrangement, power wiring and power/control cabling(indoor to outdoor),digital thermostat with required control wiring, required starter and starter panel , structural supports for fixing IDU, safety devices etc. the following minimum capacity and the cooling coil (min 4 rows), suitable for three phase 440V supply, complete in all respects as per technical specifications.(Minimum External Static Pressure 25 mm of WG ) <br>2 TR-800 CFM - 25 mm of WG ESP

od248352/2022_2023 : Supply, Installation ,testing and commissioning of Gas/ Liquid Copper Piping with nitrile rubber class 'O' insulation of suitable thick round closed cell elastomeric insulation with minimum R value of 0.7 for pipe size greater than 40mm and 0.4 for less than 40 mm, finished with 7mils factory laminated fibre glass cloth and insulation shall have antimicrobial properties. Refrigerant piping shall have suction filters for gas line, filter drier & sight glass for liquid line as per specification for each indoor machines & outdoor units including chasing, drilling, concealing and making good the same on walls etc of following specifications as per site conditions. Suitable Refnet/ Y joints required for interconnection of piping & required pipe fittings and accessories like Bends, Tees, reducers, supports, clamps, etc shall be considered as part of refrigerant piping .Complete in all respects as per technical specifications. NOTE: The contractor shall ensure that all refrigerant pipe sizes required as per the design of the equipment shall be considered in the line items underneath, even if the refrigerant pipe size is not mentioned in following line items. Both refrigerant suction and liquid line shall be insulated.Hard Copper Pipe 18Guage with 19mm thick Insulation ( 1 1/2") 38.1 mm

od248354/2022_2023 : Supply, Installation ,testing and commissioning of Gas/ Liquid Copper Piping with nitrile rubber class 'O' insulation of suitable thick round closed cell elastomeric insulation with minimum R value of 0.7 for pipe size greater than 40mm and 0.4 for less than 40 mm, finished with 7mils factory laminated fibre glass cloth and insulation shall have antimicrobial properties. Refrigerant piping shall have suction filters for gas line, filter drier & sight glass for liquid line as per specification for each indoor machines & outdoor units including chasing, drilling, concealing and making good the same on walls etc of following specifications as per site conditions. Suitable Refnet/ Y joints required for interconnection of piping & required pipe fittings and accessories like Bends, Tees, reducers, supports, clamps, etc shall be considered as part of refrigerant piping .Complete in all respects as per technical specifications. NOTE: The contractor shall ensure that all refrigerant pipe sizes required as per the design of the equipment shall be considered in the line items underneath, even if the refrigerant pipe size is not mentioned in following line items. Both refrigerant suction and liquid line shall be insulated.<br>Hard Copper Pipe 18Guage with 19mm thick Insulation ( 1 3/8") 34.925