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| 1 | Supply installation, testing and commissioning of single piece long casing (motor should completely be accommodated inside the fan casing) Vane Axial Fan (multi piece casing are not acceptable) in GSS/MS with powder coated, Al impeller with adjustable blade angles (Manually Adjustable at Site), bird screen ,gravity louvers, fire retardent flexible connection, necessary nut bolts and directly coupled TEFC Sq.cage induction motor (IE2) (F-class for Supply/ Fresh Air) suitable for 415V±10%, 50 Hz. 3 phase electric supply complete with required hardware etc. All offered fans pitch angle shall be AMCA Certified & Listed on AMCA website (Interpolation of pitch angle shall not be acceptable) and Fan Efficiency Grade ( Min FEG 71, lesser is not acceptable).Thickness of the casing shall not be less than: For Dia (300 to 650) mm – 2mm, Dia (700 to 1140) mm – 3 mm, Dia (1200 to 1400) mm – 4mm & Dia 1600 – 5 mm.All fans after assembly shall be dynamically trim-balanced to ISO1940 and AMCA 204/3 - G2.5 quality grade.Fan Casing should be provided with Special Designed Integral Straightening Vanes (Vanes should be integral part of casing, it should not be provided separately as an accessory) to reduced turbulence provide high performance & low noise level. |
| 2 | Fans for normal application vane axial are to be used.Sound level for normal application fans should not exceed 75 DB(A)@ 3 meter (Room Condition). Incase of not achieving sound , attenutor has to be added.Outlet velocity of the fans should not exceed 15 m/s for normal application. |
| 3 | Normal Operation |
| 4 | 15000 CFM/ 25mm WC static |
| 5 | Axial Fan for \\"Exhaust Air (Normal)\\" |
| 6 | Supply installation, testing and commissioning of single piece long casing (Motor should completely be accommodated inside the fan casing) Vane Axial Fan (multi piece casing are not acceptable) in GSS/MS with powder coated, Al impeller with adjustable blade angles (Manually Adjustable at Site), bird screen ,gravity louvers, fire retardent flexible connection, necessary nut bolts and directly coupled TEFC Sq.cage induction motor (IE2) (H Class insulation for Basement Exhaust/ Smoke Exhaust) suitable for 415V±10%, 50 Hz. 3 phase electric supply complete with required hardware etc. All offered fans pitch angle shall be AMCA Certified & Listed on AMCA website (Interpolation of pitch angle shall not be acceptable) and Fan Efficiency Grade (Min FEG 71, lesser is not acceptable).Thickness of the casing shall not be less than: For Dia (300 to 650) mm – 2mm, Dia (700 to 1140) mm – 3 mm, Dia (1200 to 1400) mm – 4mm & Dia 1600 – 5 mm. All fans after assembly shall be dynamically trim-balanced to ISO1940 and AMCA 204/3 - G2.5 quality grade.Fan Casing should be provided with Special Designed Integral Straightening Vanes (Vanes should be integral part of casing, it should not be provided separately as an accessory) to reduced turbulence provide high performance & low noise level. |
| 7 | Fans for normal application Vane axial are to be used. Sound level for normal application fans should not exceed 74 DB(A)@ 3 meter (Room Condition). Incase of not achieving sound , attenutor has to be added. Outlet velocity of the fans should not exceed 15 m/s for normal application. |
| 8 | Normal Operation |
| 9 | 15000 CFM/ 25mm WC static |
| 10 | Axial Fan for \\"Supply Air (Emergency)\\" |
| 11 | Supply installation, testing and commissioning of single piece long casing (Motor should completely be accommodated inside the fan casing) Vane Axial Fan (multi piece casing are not acceptable) in GSS/MS with powder coated, Al impeller with adjustable blade angles (Manually Adjustable at Site), bird screen ,gravity louvers, fire retardent flexible connection, necessary nut bolts and directly coupled TEFC Sq.cage induction motor (IE2) (F-class for Supply/ Fresh Air) suitable for 415V±10%, 50 Hz. 3 phase electric supply complete with required hardware etc. All offered fans pitch angle shall be AMCA Certified & Listed on AMCA website (Interpolation of pitch angle shall not be acceptable) and Fan Efficiency Grade ( Min FEG 71, lesser is not acceptable).Thickness of the casing shall not be less than: For Dia (300 to 650) mm – 2mm, Dia (700 to 1140) mm – 3 mm, Dia (1200 to 1400) mm – 4mm & Dia 1600 – 5 mm.All fans after assembly shall be dynamically trim-balanced to ISO1940 and AMCA 204/3 - G2.5 quality grade.Fan Casing should be provided with Special Designed Integral Straightening Vanes (Vanes should be integral part of casing, it should not be provided separately as an accessory) to reduced turbulence provide high performance & low noise level. |
| 12 | Fans for emergency application Tube axial are to be used.Sound level for emergency operation it should not exceed 80 Db(A)@ 3 meter (Room condition).Incase of not achieving sound , attenutor has to be added.Outlet velocity of the fans should not exceed 18 m/s for emergency application. |
| 13 | Emergency Operation |
| 14 | 30000 CFM/ 25mm WC static |
| 15 | Axial Fan for \\"Exhaust Air (Emergency)\\" |
| 16 | Supply installation, testing and commissioning of single piece long casing (Motor should completely be accommodated inside the fan casing) Vane Axial Fan (multi piece casing are not acceptable) in GSS/MS with powder coated, Al impeller with adjustable blade angles (Manually Adjustable at Site), bird screen ,gravity louvers, fire retardent flexible connection, necessary nut bolts and directly coupled TEFC Sq.cage induction motor (IE2) H Class insulation for Basement Exhaust/ Smoke Exhaust) suitable for 415V±10%, 50 Hz. 3 phase electric supply complete with required hardware etc. All offered fans pitch angle shall be AMCA Certified & Listed on AMCA website (Interpolation of pitch angle shall not be acceptable) and Fan Efficiency Grade ( Min FEG 71, lesser is not acceptable).Thickness of the casing shall not be less than: For Dia (300 to 650) mm – 2mm, Dia (700 to 1140) mm – 3 mm, Dia (1200 to 1400) mm – 4mm & Dia 1600 – 5 mm.All fans after assembly shall be dynamically trim-balanced to ISO1940 and AMCA 204/3 - G2.5 quality grade. Fan Casing should be provided with Special Designed Integral Straightening Vanes (Vanes should be integral part of casing, it should not be provided separately as an accessory) to reduced turbulence provide high performance & low noise level. |
| 17 | Fans for emergency application Tube axial are to be used.Sound level for emergency operation it should not exceed 80 Db(A)@ 3 meter (Room condition).Incase of not achieving sound , attenutor has to be added. Outlet velocity of the fans should not exceed 18 m/s for emergency application. |
| 18 | Smoke and heat exhaust fans should be tested and certified for 250 Deg C for 2 hour in accordance to standard 'BSEN12101-3:2015 from TUV SUD PSB Singapore or equivalent internationally recognized fire laboratory. |
| 19 | Emergency Operation |
| 20 | 30000 CFM/ 25mm WC static |
| 21 | DUAL SPEED JET FAN |
| 22 | Supply,installation,testing and commissioning of AMCA Certified (Air & Sound) Jet fans for Normal ventilation and Smoke Extraction application for car parking. The complete fan assembly with its Casing, impeller & motor (not only the motor or one of the item) shall be sourced from one manufacturer and certified as tested for 300 Deg C for 2 hours operation as per EN/CE/ UL. Adequate number of CO sensors (priced separately) and programme logic controller (inside electrical panel-priced separately) with necessary control cabling will form a part of the same. |
| 23 | Each fan shall be complete with Dual speed motor. Casing shall be made of Mild steel and both side silencer Galvanized steel with Aluminum alloy impeller. The Motor shall be able to run on the electrical power suitable for 415V ± 10% and frequency 50Hz. |
| 24 | Carrying out the complete Computational Fluid Dynamics (CFD) analysis report for normal pollution mode and fire mode. During normal pollution mode the Airflow Velocity of the Jet fans to be considered at half speed and smoke spill fresh air & parking exhaust fans at 6 ACH for each basement, CO concentration. During fire mode airflow velocity of Jet fan at high speed and smoke spill fans at 12ACH for each basement.CFD analysis will be carried out for all the areas leading to the selection of the fans. The CFD Analysis shall also be submitted by the Vendor before installation to varify the qty and location of jet fans offered in the bid. |
| 25 | SUBHEAD - 'B' AIR DISTRIBUTION WORK |
| 26 | Supply, installation, balancing and commissioning of fabricated at site GSS sheet metal rectangular ducting complete with neoprene rubber gaskets, elbows, splitter dampers, vanes, hangers, supports etc. as per approved drawings and specifications (SMACNA Standard) of following sheet thickness complete as required. |
| 27 | 24 Gauge ( Thickness 0.63mm) |
| 28 | 22 Gauge (Thickness 0.8mm) |
| 29 | 20 Gauge (Thickness 1.0mm) |
| 30 | 18 Guage (Thickness 1.2mm) |
| 31 | Supplying & fixing of powder coated extruded aluminium Supply & exhaust Air Grills with GI volume control dampers as required. |
| 32 | Supply,installation,testing and commissioning of GI volume control duct damper complete with neoprene rubber gasket nuts bolts screw linkage flages etc as per specification |
| 33 | Supply, installation, testing and commissioning of fresh & exhaust air section comprising of powder coated extruded M.S louvers with bird screen as required.The color of louver shall be matchable with wall color & contractor has to take approval from Architect before procurement. |
| 34 | Supply, installation & testing of GI back draught dampers similar construction to gravity louvers (for Basement fans- fire case as specified in the drawing.), provided with suitable links to prevent the back pressure of air. |
| 35 | Supply and Installation of 2Hr. Fire Resistant Fabric Flexible Connection to be installed between all the Fans and the ducting to provide flexibility of movement in case of a seismic event and to prevent transmission of vibration from the unit to the duct. The fabric should be min. 2Hr. fire resistant, fiberglass weave with silicone rubber coating with Galvanized metal strip as per specifications. Flexible duct connector fabric shall be air tight, waterproof, virtually chemically inert and shall not emit toxic fumes when exposed to open flame.. The flexible canvas connector shall be tested and certified in accordance with BS 476 Part 7 Class 1 and NFPA 701 from NABL accredited laboratory.Flexible Canvas material shall be provided with factory fitted GI flanges on both sides (as per requirement). Please Enable Macros to View BoQ information |
