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| 1 | Civil Works |
| 2 | Supplying, installation, testing and commissioning of Ultrafiltration (UF) system of 1.8 MLD capacity in Sewage Treatment Plant (STP) at IIT Madras, including dismantling and replacement of existing UF system, complete, all as specified and as directed by the Engineer-in-Charge. The UF system shall comprise SS-304 fabricated UF skid of approximate size 5.20 m × 2.70 m × 1.80 m, complete with 22 Nos. UF membrane modules of 280 mm diameter and 2081 mm (±5 mm) height, including SS double acting pneumatic actuated valves (1 No. 10\\" dia and 4 Nos. 6\\" dia), ½\\" dia SS air piping up to 10 m, SS-304 interconnecting pipelines, fittings, supports, pressure gauges and SS fasteners, etc., complete. The item includes dismantling, removal and disposal of existing UF skid and membranes as per prevailing statutory provisions, integration with existing SCADA system, testing, commissioning, trial run and handing over, complete in all respects as per Annexure-I specifications, approved drawings and instructions of the Engineer-in-Charge. |
| 3 | Service Flow Rate : 100 m3/hr% Recovery : >90%Permeate Flow Rate : 90 m3/hrPermeate capacity : 1800 m3/dayReject Flow Rate : 10 m3/hrOperating Hours/ day : 20 hrs |
| 4 | Supply, Installation, Testing & Commissioning of air compressor of following Specification.Air compressor:Motor Power: 7.5 HPAir Tank Capacity : 300 LCooling System : Air CooledMaximum Flow Rate (CFM) : 24.18 CFMMaximum Pressure : 175 PSINumber of Compression Stages: Single StageAir Refrigrent dryer:Air Flow-rate (3°C): 1.20 m³/minAbsorbed nominal power: 0.17 kWPower Supply: 230/1/50 V/Ph/HzDew Point (ISO Class): 4Max Pressure: 16 bar gAir Connection: ½″ BSPRefrigerant: R513A |
| 5 | Pre-Filter to Air Refrigrent dryerConnection size: ¾″Max Pressure: ~17 bar g Flow rate (at reference condition): ~1.3 m³/min Removes particles down to ~1 µm including water & oil aerosols Housing / material / design: Die-cast aluminium bodyTemperature / operating limits: Typically rated for compressed air up to ~80 °C (for standard filters) |
| 6 | Post-Filter to Air Refrigrent dryer:Connection Size: ¾″ BSPMaximum Pressure: 17 bar gFlow Rate (at reference conditions): 1.3 m³/minFiltration Efficiency: Removes particles down to 0.01 µm, including oil aerosols and fine contaminantsHousing / Material / Design: Die-cast aluminium bodyOperating Temperature: Suitable for compressed air up to 80 °C (standard version)Auto drain valve operatable with the above air compressor with brass housing material, Environmental protection : IP65 (NEMA4), Timer PCB: SMD technology, ensuring consistency in production,Timer cycle indication: Bright LED illumination. |
| 7 | This cost includes all works upto replacement of existing air compressor, mounting, installation and synchronizing with SCADA of existing line at STP in IIT Madras and disposal of the existing air compressor from IIT Madras. |
| 8 | Upgradation of the Oxygen Generation System by replacing suitable new PSA tower media, providing a new real-time oxygen analyzer, servicing the air compressor and air dryer, and refrigerant refilling in the existing STP at IIT Madras. The scope of work includes replacement of molecular sieve media (zeolite and alumina) in the Pressure Swing Adsorption (PSA) towers, servicing and calibration of pressure gauges and valves, servicing of the air compressor and air dryer including refrigerant refilling, and integration, testing, and proper synchronization of the newly installed real-time oxygen analyzer and the oxygen generator with the existing SCADA system in the STP at IIT Madras. |
| 9 | Supply, Installation, Testing, and Commissioning of Sewage Submersible Pump Set of the following specifications:Power rating: 5.5 kW / 7.5 HPSpeed: 2900 rpmPipe size: 80 mmMaximum solid size: 35 mmPower supply: Three-phaseRated voltage: 415 VDegree of protection: IP68Minimum discharge: 83 m³/hourMinimum head: 15 mConsistency of medium: < 1.2 × 10³ kg/m³Maximum ambient temperature: 40°CFrequency: 50 HzInsulation class: BImpeller material: Cast ironDelivery casing material: Cast ironMotor body material: Cast ironPump shaft material: Carbon steelThe scope of work includes replacement of the existing pump in the balancing tank of the existing STP at IIT Madras, along with all works necessary for complete installation, testing, and commissioning, including connection to the discharge and suction headers, welding works if any, and integration of pump operation and status with the existing SCADA system, all as per the instructions of the Engineer-in-Charge. |
| 10 | Supply, Installation, Testing, and Commissioning of Sewage Submersible Pump Set of the following specifications for RAS (Return Activated Sludge) and SAS (Surplus Activated Sludge) pumps:Power rating: 1.5 kW / 2 HPSpeed: 2840 rpmPipe size: 50 mmMaximum solid size: 22 mmPower supply: Three-phaseRated voltage: 415 VDegree of protection: IP68Minimum discharge: 11 m³/hourMaximum head: 15 mConsistency of medium: < 1.2 × 10³ kg/m³Maximum ambient temperature: 40°CFrequency: 50 HzInsulation class: BImpeller material: Cast ironDelivery casing material: Cast ironMotor body material: Cast ironPump shaft material: Carbon steelThe scope of work includes replacement of the existing pump in the SBR tank of the existing STP at IIT Madras, along with all necessary works up to complete installation, testing, and commissioning, connection to the discharge and suction headers including welding works, if any, and integration of the pump operation and status with the existing SCADA system. All works shall be carried out as per the instructions of the Engineer-in-Charge. |
| 11 | Supply, Installation, Testing, and Commissioning of Sewage Submersible Pump Set of the following specifications:Power rating: 5.5 kW / 7.5 HPSpeed: 2900 rpmPipe size: 80 mmMaximum solid size: 35 mmPower supply: Three-phaseRated voltage: 415 VDegree of protection: IP68Minimum discharge: 83 m³/hourMinimum head: 15 mConsistency of medium: < 1.2 × 10³ kg/m³Maximum ambient temperature: 40°CFrequency: 50 HzInsulation class: BImpeller material: Cast ironDelivery casing material: Cast ironMotor body material: Cast ironPump shaft material: Carbon steelThe scope of work includes replacement of the existing pump in the balancing tank of the existing STP at IIT Madras, along with all works necessary for complete installation, testing, and commissioning, including connection to the discharge and suction headers, welding works if any, and integration of pump operation and status with the existing SCADA system, all as per the instructions of the Engineer-in-Charge. |
| 12 | Supply, Installation, Testing, and Commissioning of Permeate Water Transfer Pumps in the STP at IIT Madras, of the following specifications:Flow rate: 75 m³/hourDifferential head: 35 mMaximum head: 38 mSpeed: 2920 rpmFrequency: 50 HzMaximum operating temperature: 50°CMaximum pressure: 10 bargMaterials of Construction (MOC): Pump casing material: Cast Iron (MOC: CI260 / IS 210 Gr. FG 260 or equivalent) and Impeller material: Stainless Steel (CF8M / 40C8) conforming to ASTM A351. The scope of work includes removal of the existing pumps and replacement with new pumps, along with all works necessary for complete installation, testing, and commissioning, including connection to the suction and discharge headers, welding works if any, and integration of pump operation and status with the existing SCADA system, all as per the instructions of the Engineer-in-Charge. Please Enable Macros to View BoQ information |
| 13 | Supply, Installation, Testing, and Commissioning of Permeate Water Transfer Pumps in the STP at IIT Madras, of the following specifications:Flow rate: 75 m³/hourDifferential head: 35 mMaximum head: 38 mSpeed: 2920 rpmFrequency: 50 HzMaximum operating temperature: 50°CMaximum pressure: 10 bargMaterials of Construction (MOC): Pump casing material: Cast Iron (MOC: CI260 / IS 210 Gr. FG 260 or equivalent) and Impeller material: Stainless Steel (CF8M / 40C8) conforming to ASTM A351. The scope of work includes removal of the existing pumps and replacement with new pumps, along with all works necessary for complete installation, testing, and commissioning, including connection to the suction and discharge headers, welding works if any, and integration of pump operation and status with the existing SCADA system, all as per the instructions of the Engineer-in-Charge. Please Enable Macros to View BoQ information |
