Revamping of 1.0 MLD Sewage Treatment Plant at MEPZ SEZ, Tambaram, Chennai - 600 045

Amount

COARSE BAR SCREEN

Supplying and fixing of Stainless Steel coarse bar screen for STP, The bar screen is a mechanical filter used to remove large objects, such as rags. and plastics, from wastewater. It is part of the primary filtration flow and typically is the first, or preliminary, level of filtration, being installed at the influent to a Sewage treatment plant. They typically consist of a series of vertical Stainless-Steel Flat SS 304 Grade bars 25 x 3 mm spaced C/C 10mm and welded with angle frame 25 x 25 x 6 mm with suitable handle. size of the screen

COARSE BAR SCREEN CIVIL WORKS- Existing Grit Chamber Converted to Coarse Screen Chamber

FINE BAR SCREEN

Supplying and fixing of Stainless Fine bar screen for STP, The bar screen is a mechanical filter used to remove Small objects, such as rags. and plastics, from wastewater. It is part of the primary filtration flow and typically is the first, or preliminary, level of filtration, being installed at the influent to a Sewage treatment plant. They typically consist of a series of vertical Stainless-Steel Flat bars 25x 3 mm placed C/C 6 mm and welded with angle frame with suitable handle size of the screen is 500mm x 1000 mm

FINE SCREEN CHAMBER CIVIL WORKS- Existing Grit Chamber Converted to Fine Screen Chamber

RAW SEWAGE TRANSFER LINE

Supplying and fixing of Suitable UPVC Pipes and Fittings for Change the Existing Sewage Line into Newly Proposed Coarse Screen Chamber. Including some civil & Excavation works. Inclusive of delivery piping works with control valves, fasteners, flanges, gasket, transport, handling charges and all taxes and duties etc., as directed by the Engineer in charge. The rate to include all operations cited above.

AIR BLOWER SERVICE

Servicing of 25 Hip Existing Air blower. The blowers are need to supplied along with Air Relief Valves Belts, Wafer type Unit Return Valves and Control valves. The blowers delivery will be connected with suitable mild steel epoxy coated B class header lines and lateral lines. The air distribution will be suitable flexible air lines with lifting arrangements and control valves. Inclusive of transport, handling charges and all taxes and duties etc., as directed by the Engineer in charge. The rate to include all operations cited above.

MSEP AIR LINE

Supply and fixing of MS Air Line for Existing Equalization tank and Newly Proposed Treatment tank for Mixing of air into Sewage and MS Pipe line tube Painted with Single Layer of Epoxy paint Two layer of Epoxy Paint

TREATMENT TANK

Revamping of Existing FAB Tank 1 into Treatment tank with Required Civil works and Painting works for Primary Treatment of Sewage coming out from the Grit Chamber

DOSING SYSTEM

Supply, Fixing and commissioning of Required DIAPHARAM Type of Dosing Pumps and Dosing Tanks for Flocculation of Primary Treatment tank

Supply, Fixing and commissioning of Required Agitator with Fram for mixing of Alum dosing

Supply, Fixing and commissioning of Required DIAPHARAM Type of Dosing Pumps and Dosing Tanks for Clocculation of Primary Treatment tank

Supply, Fixing and commissioning of Required Agitator with Fram for mixing of Lime dosing

SETTLING TANK

Revamping of Existing FAB Tank 2 into Treatment tank with Required Civil works and Painting works for Primary Treatment of Sewage coming out from the Primary Treatment tank

Supply, Fixing and commissioning of Required DIAPHARAM Type of Dosing Pumps and Dosing Tanks for Settling of Settling tank

Supply, Fixing and commissioning of Required Agitator with Fram for mixing of Poly dosing

SLUDGE TRANSFER PUMP

Supplying, fixing and commissioning of Return Sludge Transfer pumps to Transfer the sludge from Newly Modified Settling tank to Existing sludge holding Tank and pumping capacity of 10 m3 per hour lifted with 3 meters head meters head Crompton, Kirloskar / equivalent make 1.5 HP or above as required Coupled type Self Priming Sludge Handling pumps with mechanical seal, power rating of 3 phase 415 volts, 2/ 4 Pole Monobloc Pumps, at rated voltage, 50 Hz, Three Phase A.C power Supplying. Dynamically balanced rotating parts ensuring, minimum vibration during running, Class ‘B’/ ‘F’ insulation, automatic air release during priming, prevent overloading and motor burning, Replaceable wearing parts, IP 55. Material of construction of the pumps are in Cast iron body with Cast iron impeller. handling charges and all taxes and duties. As directed by the departmental officers. Inclusive of suction & delivery piping works with control valves, fasteners, flanges, gasket, transport, handling charges and all taxes and duties etc., as directed by the Engineer in charge. The rate to include all operations cited above. Solid Handling Capacity: 7 mm particles.

PRIMARY TREATED WATER TRANSFER LINE

Supply and Erection of Suitable Size of UPVC Pipes and Fittings for Transfer the Primary Treated water from Newly Proposed Settling tank to Existing Equalization tank Through Gravity. Including some civil & Excavation works. Inclusive of delivery piping works with control valves, fasteners, flanges, gasket, transport, handling charges and all taxes and duties etc., as directed by the Engineer in charge. The rate to include all operations cited above.

MEDIA REFILLING

Supply and Refilling of Required Quantity of Sand and Carbon Media in Existing PSF and ACF Vessels. Vessel Size are 2000mm Día and 1800mm HOS. Supporting Medias are Washed once for better Performance. Inclusive of fasteners, gasket, transport, handling charges and all taxes and duties etc., as directed by the Engineer in charge. The rate to include all operations cited above.

PAINTING - Both PSF and ACF need to Re-Paint with Single layer of Primer and Two layer of Epoxy painting as per Engineer In charge Instruction.

ELECTROMAGNETIC FLOW METER

Supplying, fixing and commissioning of the Online, Pulsed DC Magnetic flowmeter for measure the inlet of STP. This flowmeter is capable of providing a stable and accurate flow reading, even in demanding application. The flow tube is a fully sealed system, with extra thick PTFE lining for maximum performance. The meter can display the flow rate and also the totalized flow. LCD display with backlighting can display alphanumeric characters. All the menu is clearly labelled for easy understanding of the menu. The front cursor type keypad can be used to navigate through the menu system of the flowmeter. Calibrating the flowmeter is done digitally through front keypad. The flowrate unit is programmable. All the required rate conversion is done internally and displayed in a unit that is convenient to process application, make: Siemens, Aster/Equivalent, Power Rating : Single Phase, Type : Online. Inclusive of transport handling charges and all taxes and duties etc,. as directed by the Engineer in charge. The rate to include all operations cited above

ELECTRICAL CABLING

Supply and laying of Copper Armload and Flexible Cable with Suitable Rang in Newly Proposed Sludge Transfer pump, Dosing pumps, Agitator and Electro magnetic Flow meters. make: Polycot /Equivalent, Inclusive of transport handling charges and all taxes and duties etc,. as directed by the Engineer in charge. The rate to include all operations cited above

CONTROL PANEL

Supply and Installing of Approved make Control Panel for Newly Proposed Pumps and Instruments as Required Items with R Y B Controls. Inclusive of transport handling charges and all taxes and duties etc, as directed by the Engineer in charge. The rate to include all operations cited above

VELS ENGINEERS