Supply, Installation, Testing and Commissioning of Air blowers, Diffusers and Bio Fab Media for 120 KLD ETP at CSIR-CFTRI, Mysuru

Amount

Supply, installation, testing and commisioning (incl. transportation) of Air Blower- 2 Nos. with Motor 3HP for Aeration to Effluent Treatment Plant(ETP) as below: BLOWER DETAILS 1) Model : BV 70, 2) Fluid handled : Air, 3} Capacity : 70 M3/Hr 4)Inlet pressure : Atmosphere. 5).Discharge pressure : 0.5 kg/cm2, 6) Operational speed : 1170 rpm, 7) Orientation Flow : Vertical 8)Proposed discharge line:50NB, 9)Static weight with accessories : 220 KG, 10) Sealing: Lip seal DRIVE DETAILS- 1) Drive : V belt driven. 2) Direction of Rotation : Clockwise as viewed pulley end. MATERIAL OF CONSTRUCTION: 1) Main casting, Side cover, Rotor: Cast Iron 2) Shaft : EN 18/19 3) Gears: 20MnCr5/16MnCr5 Hardened and ground. 4) Bearings : Antifriction. 5) Base frame : M.S. Fabricated. All the machining of the parts are done on DRO milling and CNC milling machines. Parts like shafts, End covers, main body are ground. LUBRICATION:1) Pulley side bearings: Grease packed, 2) Gears and gear side bearings : Oil splash. DYNAMIC BALANCE: 1) All rotor shafts assemblies are dynamically balanced. Motor 3HP Make : Kirloskar Air Blower Make : Everest / Aakash or its equivalent

Supply, installation, testing and commisioning (incl. transportation) of Disc type Diffuser for Sump tank-1 No. and Pre-treated tank- 1 No. Diffuser type: Disc, MOC: EPDM/silicone, size:12 inch Make : STEP/ Proflex or its equivalent

Supply, installation, testing and commisioning (incl. transportation) of Tubular type Diffuser for Aemtion tank 1 and 2 Diffiiser type: Fine bubble diffuser, Dia 90mm X l000mm L EPDM membrane Make : STEP/ Proflex or its equivalent

Retrievable arrangement for laying diffuses with flexible special pipes & fittings ie: Tee:1" SS Material, Lifting Hook: SS Material, Foundation bolt: SS Material, C Clamp:1" SS Material, Braided Hose:1" PVC material, Hose Clamp:1" SS Material, Rope 1/2" PP material, Swirl connector-l" PP material, interconnecting pipe line between blower and diffusers(GI), valves and fittings Make : STEP/ Proflex or its equivalent

Interconnecting pipe line with fittings, valves. CPVC materials etc., for suction and delivery of raw water Pump, sludge pump, treated water pump

Supply, installation, testing and commisioning (incl. transportation) of Bio Fab Media for aeration tank - UV stabilized high surface PP material 1. Surface Area: PP Bio Surface Area 400m2/m3 2. Type: Floating FAB Media Dia 22mmX15mm. 3. Material: PP, UV Stabilised. 4. Colour: Black. Make : STEP/ Cooldeck or its equivalent

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