Provision of automatic fire dampers

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct or main branch and return air path as and where required of required sizes including control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Fire Damper

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct or main branch and return air path as and where required of required sizes including control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Actuator torque 9Nm, 230V.

Supplying, Fixing,testing and commissioning of fire dampers in supply air duct or main branch and return air path as and where required of required sizes including control wiring,the damper shall be motorized and spring return so as to close the damper in the event of power failure automatically and open the same in case of power being restored. The spring return action shall be inbuilt mechanism and not externally mounted. The damper shall also be closed in the event of fire signal complete as required and as per specifications. Actuator torque 20Nm, 230V.

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular or 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 0.8 mm thick

Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular or 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 1.00 mm thick

Supply and fixing of acoustic lining of supply air duct and plenum with 25 mm thick resin bonded glass wool having density of 32 kg or meter cube, with 25 mm X 25 mm GI section of 1.25 mm thick, at 600 mm centre to centre covered with Reinforced Plastic tissue paper and 0.5 mm thick perforated aluminum sheet fixed to inside surface of ducts with cadmium plated nuts, bolts, stick pins, CPRX compound etc.

Supplying and fixing of following thickness duly laminated aluminum 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 and as required. Nitrile rubber Insulation 19 mm

Dismantling of old Airconditioning Ducts from the AC system including removal of insulations, supports etc. complete to make Provision for connection of Fire Damper and shifting the same to dismantled stores of AAI.

Supply, Instalation, Testing and Commissiong of control panel for 230V Actuator.

Supply, Installation, Testing and Commissiong of AHU Tripping Panel in Sheet Steel enclosure consists of intelligent addressable input or output loop powered relay module, volt free contacts suitable for functioning via fire alarm loop.