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| 1 | Providing. Installation, testing and commissioning of Twin lobe positive displacement Roots blower (bi-lobe design for efficient. pulsation-free air delivery. Capacity/Flow Rate: 270 m/hr (approximately 159 CFM. Pressure Range: 0.3 to 0.6 har (300 to 600 mbar, or 3.000 to 6.000mm water gauge/mm WG), to overcome water depth (4-6 meters) and diffuser head loss including motor of suitable range (40-45 BHP),Speed (RPM): 1,000-1,400 RPM (variable through V-Belt or VFD for optimization). Materials of Construction:Body/Casing: steel (SS304/SS316).Lobes/Rotors: Hardened alloy steel or cast iron with anti-corrosive coating.Shafts: Alloy steel with seals to prevent leaks. Overall: Powder-coated or painted for rust protection. Noise Level: <65 dB(A) at full load (with acoustic enclosure or silencers if noise level is > 65 db). Cooling Type: Air-cooled (standard for this capacity).Drive System: V-belt drive. Voltage: 380-415V, 3-phase, 50/60 Hz (customizable).Duty Cycle: Continuous operation (24/7), with 100% oil-free air output essential for sewage aeration to avoid contamination. Accessories Inlet air filter Suction and discharge silencersSafety relief valve (to prevent over-pressure).Non-retum valve (NRV) and pressure gauge.Base frame with anti-vibration mounts.Acoustic hood/enclosure (Not required if Noise level is <65 db.)Motor starter panel or variable frequency drive (VFD) for energy optimization including all necessary ancillary items for complete installation and ready to operate. All the itmes shall be of reputed make and ISO 9001 certified complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 2 | Providing, installation.testing & commissioning of Fine to medium bubble Diffuser (EPDM rubber/Silicon/Polyurethane made resistive to chemicals.U/V and ozone and to withstand tempretures to to 80-90 degree centigrade) Capacity: 10 m/hr air How (total for 60 units: 541 mhr.scalable to 600m/hr with blower modulation,Bubble Size: Coarse (3-6 mm diameter) for effective mixing and stripping.Dimensions: 7.5\\" diameter disc ( ABS/ reinforced polypropylene (PP) or SS 304316) with 3/4\\" NPT of reputed make including all required standard accessories complete with in all leads and lifts and complaint with ASTM D 2000 standards/ISO 9001 Certified complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 3 | Providing and Fixing BFV Series butterfly valve 50 mm dia complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 4 | Knite gate Valves: Manual:- Providing, Supplying lowering, laying and jointing of knife gate valves AISI SS 304 of 100mm dia including all texes, freight inspection Charges unloading, loading truck, transported upto stores/ site, unloading, stacking, including cost of all labour jointing material including nut bolts and giving satisfactory hydraulic testing etc. complete in charge all respact 150NB complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 5 | Providing and Fixing Kirlosker make non return valve 100mm dia rating PN 10.00 complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 6 | Providing and fixing of starter (direct on line) of 40 HP of standard make such as L&T/MEI/Havels/AVON/Crompton/ Asian for above pump set with suitable capacity installed on a wooden switch board fixed on a wall capable of mounting a voltameter 0 to 300 volts capacity and ampere meter of capacity 0 to 150 ampere of standard make complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 7 | Providing and fixing of starter (direct on line) of 5 HP of standard make such as L&T/MEI/Havels/AVON/Crompton/ Asian for above pump set with suitable capacity installed on a wooden switch board fixed on a wall capable of mounting a voltameter 0 to 300 volts capacity and ampere meter of capacity 0 to 150 ampere complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 8 | Providing and fixing of starter (direct on line) of 10 HP of standard make such as L&T/MEI/Havels/AVON/Crompton/ Asian for above pump set with suitable capacity installed on a wooden switch board fixed on a wall capable of mounting a voltameter 0 to 300 volts capacity and ampere meter of capacity 0 to 150 ampere of standard make complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 9 | Providing and Fixing flat 4 core copper wire 2.5 mm for pump wire complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 10 | Providing and Fixing flat 4 core copper wire 4.00 mm for pump wire complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 11 | \\"Prividing Laying jointing and testing Stainless Steel pipe confirming to ISI specification including commissioning and cost of all Stainless Steel fittings like bend, flange nut bolt socket, reducer etc (80 mm) complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 12 | \\"Prividing Laying jointing and testing Stainless Steel pipe confirming to ISI specification including commissioning and cost of all Stainless Steel fittings like bend, flange nut bolt socket, reducer etc(50 mm) complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge |
| 13 | Providing and Fixing Kirlosker make Sluice valve 250 mm dia rating PN 1.00 complete work with in all leads and lifts as per the entire satisfaction & direction of the Engineer-in-charge Please Enable Macros to View BoQ information |
