Supply, Installation, Testing And Commissioning Sitc Air Handling Units Ahus For Laboratories => Limited; (A) AIR HANDLING UNIT (Double Skin Type) – 02 Nos. I) General (To be furnished for each AHU separately) 1) Offered Make: - 2) Air Discharge Direction: - Horizontal or Vertical (to be mentioned separately for each AHU) 3) Overall Dimensions: - 4) Weight (including water): - 5) AHU Cooling capacity (TR/KW) 6) Type of Vibration Isolators: - 7) Approx. noise level (db):- 8) Drive belts & size (Belt): - 9) AHU Outer Skin material & Gauge: - 10) AHU Inner Skin material & Gauge: - 11) AHU body insulation material & thickness: - 12) Density of insulation material: - 13) Drain tray insulating material & thickness: - 14) Size of the inspection door provided in AHU body: - 15) Whether thermal break provided at joints: - II) Fan Section: (To be furnished for each AHU separately) 1) Fan Make: - Kruger 2) Fan quantities per AHU & Model: - 3) Fan Air handling capacity (CFM/CMH): - 4) Total static press (mm WG): - 5) Fan speed (r.p.m.): - 6) Fan outlet duct area: - 7) Fan diameter: - 8) Balancing (Static and/or Dynamic): - 9) Bearings type & Nos.: - 10) BHP of Fan at selected capacity: -[35] III) Filter Section: (To be furnished for each AHU separately) 1) Type: - 2) Gross filter area: - 3) Velocity through filter (M.P.S./F.P.S.):- 4) Press drop through filter when new (mm, W.G.):- 5) Efficiency: - 6) Filter element whether coir, G.I. mesh, HDPE or any other material: - IV) Cooling Coil: (To be furnished for each AHU separately) 1) Coil fin material & gauge: - 2) Copper tube diameter & gauge: - 3) Water through coil (L.P.M.): - 4) No. of fins per inch: - 5) Water press drop in the coil (kg/cm2): - 6) Coil Face area: - 7) Nos. of coils: - 8) No. of rows of each coil: - V) Drive Motor for AHU: (To be furnished for each AHU separately) 1) Make:- 2) Frame size:- 3) Insulation Class:- 4) HP/KW rating:- 5) Type (B) PIPING & VALVES I) PIPING 1) 1) Offered make of Pipe 2) 2) Material of Construction: - 3) 3) Class of Pipe: - 4) 4) Thickness of Pipe: - C) DUCTING & DAMPER 1) Offered Make of GI Sheet: - 2) Material of construction of Damper: - 3) Thickness of Damper: - D) INSULATION (DUCTING & PIPING) 1) Offered Make of Duct Thermal Insulation: - 2) Offered Make of Pipe Thermal Insulation: - 3) Type & Material of Construction of Duct Thermal Insulation: - 4) Type & Material of Construction of Pipe Thermal Insulation: - 5) Thickness of duct thermal insulation: - 6) Thickness of Pipe thermal insulation: - 7) Fire resistant property of Insulation: - 8) Material of cladding material for duct insulation: - 9) Thickness of cladding for duct insulation: - 10) Material of cladding material for pipe insulation: - 11) Thickness of cladding for Pipe insulation: - 1. Supply of 16000CFM, 50mm static, Double Skin Standard type Horizontal floor mounting Air Handling Unit for for ‘B’ Block 3rd floor area constructed from 22G plain GI sheet as inner skin & outer skin shall be 22 G GI Powder coated sheet with 45mm thick injected PFU with 45 kg/cubm. density insulation inbetween and the frame work shall be constructed of extruded Aluminum hollow section with thermal break and filled with reformed insulation section. Unit shall consists of following: a) Fan section with 2 Nos. FDA 405 forward curved fan of ‘KRUGER’ make with 2 Nos. 5 Hp energy efficient Motors Seimens / ABB make, taper lock pulleys & belts b) Coil section with CU coil of 5/8 , 4 rows deep cooling coil size 20 G thickness & AL Fins of 32G Thickness c) Suitable depth 2 Pass PVC moisture eliminator fixed afert coil to collect moisture on condensate Tray d) Filter section with flat type air filters with 3 ply pleaded HDPE washable filters with AL casing of 50mm thick. All AHU nut, bolt and washer should be of Stainless-Steel materials having 304 grades. The supply includes 2 Nos. Canvas Connection, 2 Nos GI Damper, 1 No Starter Electric Panel for AHU, 2 Nos. Pressure Gauge & 2 Nos. Thermometer. Make – Caryair/ Systemair /Air-O- Mec Engineers make 1 No. 2 Supply of 10000CFM 50mm static, Double Skin Standard type Horizontal floor mounting Air Handling Unit for Store area constructed from 22G plain SS 304 sheet as inner skin & outer skin shall be 22 G SS304 with 60mm thick injected PFU with 45 kg/cubm. density insulation in-between and the frame work shall be constructed of extruded SS 304 hollow section and filled with reformed insulation section. Unit shall consist of following: a) Fan section with 1 no. forward curved fan of ‘KRUGER’ make with suitable capacity energy efficient Motors Seimens / ABB make, taper lock pulleys & belts b) Coil section with CU coil of 5/8 ,6 rows deep cooling coil size 1 No. Page 36 of 46 20 G thickness & AL Fins of 32G Thickness c) Suitable depth 2 Pass PVC moisture eliminator Fixed after coil to collect moisture on condensate tray d) Filter section with flat type air filters with 3 ply pleaded HDPE washable filters with AL casing of 50mm thick, e) Return air Mixing Chamber with Fresh air Damper constructed from SS304 material All AHU nut, bolt and washer should be of StainlessSteel materials having 304 grades. The supply includes 1 No. Canvas Connection, 2 Nos SS304 Dampers, 2 Nos. Pressure Gauge & 2 Nos. Thermometer. Make – Caryair/ Systemair /Air-O- Mec Engineers make 3 Buy Back of existing Air Handling Units of following capacity complete with Fan section with Fans, Coil section with coil, motor, metal casing, base tray and frame, connected piping, duct pieces, dampers, etc. on ‘As is Where is’ basis including Cutting, dismantling, lifting & shifting 3.a 16000CFM capacity single skin AHU of ‘B’ block 3rd floor area 1 No. 3.b 10000CFM capacity double skin floor mounted of 1st floor, central store 1 No. A Add: GST (if any) B Add: Transportation, loading/unloading and incidental cost till consignee’s site INCLUDING factory Witness test of AHUs (All the Travelling, boarding & lodging expenses of Engineers from TIFR, Mumbai to manufacturer works is born by TIFR). C Add: installation, testing & commissioning including S&I of insulated piping & ducting connection piece, modification of piping & re-installation of 3-way valve, if any, supervision, testing & demonstration and training with supply of all accessories like pipe, insulation, valves, Gauges, etc. at the consignee’s site as per ‘Technical Specification’
