Construction of Critical Care Block at GH Pathanamthitta HVAC Works

Amount

HVAC SYSTEMS

od307640/2022_2023 : Supply, Installation ,testing and commissioning of the following 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). 38 HP

od307648/2022_2023 : Supply, Installation , testing and commissioning of the following capacity VRF compatible Air handling units with AHU Kit with VFD starter 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 99.97% efficiency down to 0.3 micron (MERV 17- HEPA) 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 for UV lamps, thermostat, control wiring with necessary control cabling , 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.25TR (10000 CFM) - 50 mm of WG ESP

od307659/2022_2023 : Supply, Installation, testing, and commissioning of the 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 a minimum 12watt/sq.ft. of coil surface area for equal distribution, The efficiency of the filters shall be 90% down to a particle size of 10 microns (MERV-8) and bag filter of 99.97% efficiency down to 0.3 microns (MERV 17-HEPA) filters complying to ASHRAE 52.2, cooling coil of copper tube and aluminum 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 mmwc )4 TR-1600 CFM - 25 mm of WG ESP

od307665/2022_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 3/4") 44.45 mm

od307667/2022_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 5/8") 41.275 mm

od307669/2022_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

od307671/2022_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 3/8") 34.925

od307672/2022_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 1/4") 31.75 mm

od307673/2022_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 1/8") 28.575 mm

od307674/2022_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 ( 7/8") 22.22 mm

od307675/2022_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 ( 3/4") 19.05 mm

od307676/2022_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 ( 5/8") 15.875 mm

od307677/2022_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 ( 1/2") 12.7 mm

od307678/2022_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 ( 3/8") 9.525 mm

od307679/2022_2023 : Supply, Installation ,testing and commissioning of PDI Compatible central controller, along with associated accessories for controlling entire VRF system & 25% spare capacity for future provisions with suitable interconnecting control cabling between IDUs, ODUs and central controller ,Power wiring with necessary supports and complete in all respects as per the technical specifications.

od307680/2022_2023 : Supply, installation, testing and commissioning of suitable dia PVC condensate drain pipe of 6kg/sq.cm upto 5m connecting the drain pan of the indoor units to nearest drain point with necessary U-trap, insulated with 9 mm thick closed cell elastomeric insulation finished with 7mils factory laminated glass cloth along with required pipe fittings and accessories like Bends, Tees, reducers, clamps, suitably supported etc. complete in all respects as per the technical specifications.

od307681/2022_2023 : Supply, Installation,Testing and Commissioning of minimum 2 TR Split air conditioning unit minimum capacity Invertor Hi wall Split air conditioning unit (Indoor and Outdoor Unit) complete with suitable capacity drive motor, air cooled condenser with all accessories, hermetically sealed scroll/rotary compressor, outdoor unit and hi wall units for single phase 230 V supply minimum 3 star rated as per BEE and with suitable stabilizer with necessary supports vibration isolators suitable as required as per manufacturers recommendation, suitably sized copper refrigerant piping as per relevant ASHRAE Standards (both suction and liquid piping) including 19 mm thick closed cell nitrile rubber insulation finished with 7 mils factory laminated treated fibre glass cloth as per specification interconnecting indoor & outdoor units with required pipe fittings and accessories like bends, tees, reducers, supports, necessary power/control cabling, suitably supported on trays/ split clamps etc., CPVC condensate drain pipe (upto 5 m) 6kg/sq.cm of suitable dia connecting the drain pan of the indoor units to nearest drain point with U-trap, insulated with 9 mm thick closed cell nitrile rubber insulationfinished with 7 mils factory laminated treated fibre glass cloth, required pipe fittings and accessories like bends, tees, reducers, supports, clamps, , first charge refrigerant gas R32/R410A/R407C, cordless remote etc complete as required as per technical specification

od307683/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications.100 CFM -10 mm WG

od307684/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications.<be>400CFM-10mm ESP

od307685/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 500CFM-10mm ESP

od307686/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 600CFM-10mm ESP

od307687/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 700CFM-10mm ESP

od359492/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 1000 CFM -10 mm WG

od308327/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 2250CFM -15mm of WG

od308328/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 2500CFM -15mm of WG

od308329/2022_2023 : Supply, Installation testing and commissioning of Inline Circular/Cabinet fans of following minimum capacity with suitable blower, Single/3 phase phase(IE3) direct driven/Belt driven motor of following capacity for exhaust, with applicable Starter /Starter panel , structural supports , vibration isolator if required ,other accessories etc. complete in all respects as per technical specifications. 13000CFM -15mm of WG

AIR DISTRIBUTION

16.12.1.1 : Supply, installation, balancing and commissioning of factory fabricated 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.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006

16.12.1.2 : Supply, installation, balancing and commissioning of factory fabricated 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.Factory fabricated GSS sheet metal rectangular ducting as per IS 655-2006

16.12.1.3 : Supply, installation, balancing and commissioning of factory fabricated 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.Factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006

16.12.1.4 : Supply, installation, balancing and commissioning of factory fabricated 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.factory fabricated GSS sheet metal rectangular dueling as per IS 655-2006

od307647/2022_2023 : Supply, Installation, testing and commissioning of Acoustic lining inside sheet metal ducts with 10mm thick Open Cell nitrile rubber class 1 with antimicrobial properties. ,having density of 140-180 kg/m3 ,fixing of insulation using OEM recommended fixing details ,supports and adhesive, tapes etc. complete in all respects as per the technical specifications

16.23.2 : INSULATION ON EXISTING PIPE <br> 16.4 Supplying, laying/ fixing, testing and commissioning of following thickness resin bonded fiber glass pipe section insulation having density 80 kg/cum or mineral wool (non combustible) having density of 144 Kg/ cu m duly covered with a layer of 120 gm/sqm polythene sheet (vapour barrier) on existing pipe and finally applying 0.63mm aluminium sheet cladding complete with type3 , grade 1 roofing feltstrip(as per IS:1322 as amended up to date ) at joints etc. as per specifications and as required.Nitrille rubber insulation - 25 mm

od307652/2022_2023 : Supply &amp; fixing of Acoustic Insulation of AHU Rooms using open cell processed nitrile rubber having a density of 140-180 Kg/m3 and thickness of 25 mm with anti-microbial protection with suitable frame works etc. complete in all respects as required by the technical specifications

16.17 : Supplying, fixing testing commissioning of supply air diffusers of powder coated aluminum with aluminum volume control dampers with anti smudge ring and removable core.

16.18 : Supplying, fixing testing commissioning of Return air diffusers of powder coated aluminum without volume control dampers with anti smudge ring and removable core.

od307660/2022_2023 : Supply, Installation , testing and commissioning of Aluminium extruded exhaust air louvers ,bird screen etc. complete in all respects as per the technical specifications.

od307664/2022_2023 : Supply, Installation , testing and commissioning of Aluminium Extruded Fresh air louvers with fresh air damper, bird screen etc complete in all respects as per the technical specifications.

16.13 : Supply, Insulation, testing and commissioning of GI volume control duct damper complete with neoprene rubber gaskets, nuts, bolts, screws linkages, flanges etc, as per specifications. GI volume control duct damper

od307668/2022_2023 : Supply, Installation ,testing &amp; commissioning of Fusible link type Fire damper of 16 gauge GI sheets with fire rating of 300 Deg C for 2 hr for air distribution Networks , complete in all respects as per the technical specifications.

Mark Air-Particulate Control systems (BID ID -2201494)

PIONEER COOLTECH (BID ID -2198177)