Construction of Advanced Sewage Treatment system at Thanjavur Medical Camus in Thanjavur District

Amount

Earth work open excavation by manual means in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the excavated earth with a lead of 10 mts. within the compound in places shown by the departmental officers and clearing and levelling the site, etc., complete complying with standard specification and as direct-ed by the departmental officers.

Earth work excavation for foundation by manual means for Isolated, Combined and Other type foundations in all soils and sub-soils and to full depth as may be directed except in rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the departmental officers with an initial lead of 10 mts and initial lift of 2.00mts. and clearing and levelling the site, etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with filling crushed stone sand in layers of not more than 15 cm thick well watered, rammed and consolidated etc. complete complying with standard specification and as directed by the departmental officers.

Plain Cement Concrete 1:2:4 (one cement, two crushed stone sand and four hard broken stone jelly) using 20mm jelly for wearing coat including laying, compacting, finishing and curing, etc., complete as per standard specificatins and as directed by the departmental officers.- Mixing by manual means

Cement Concrete 1:5:10 (One Cement, Five crushed stone sand and Ten hard broken stone jelly) using 40 mm gauge hard broken granite stone jelly for foundation including dewatering wherever necessary and laid in layers of not more than 15 cm thick well rammed, consolidated and including curing etc. complete complying with standard specification and as directed by the departmental officers. -Mixing by manual means

Providing and laying in position, standardised concrete Mix M-20 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS 456 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 325 kg/m3 and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without inspiring strength and durability with about (5 Cu.m) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 Cu.m) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m) 7670 kg. of crushed stone sand, but excluding cost ofreinforcement grill and fabricating charges, centering and shuttering and also including laying,vibrating with mechanical vibrators, finishing, curing, etc. and providing fixtures like fan clamps in the RCC floor/ roof slabs wherever necessary without claiming extra, etc.,complete complying with standard specification and as directed by the departmental officers. The coarse and fine aggregates to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

Foundation and Basement

Supplying, fabricating and placing in position Mild Steel / Ribbed Tor Steel reinforcement grills of all variety like HYSD/CTD/TMTand all grade like Fe 500, Fe550D, Fe 500 D etc., for all RCC works as per design given including cost of steel reinforcement and G.I. binding wire, wastage etc. complete complying with standard specification and as directed by the departmental officers.(Contractor has to make his own arrangements for the supply of steel reinforcement and binding wire)

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as column footings, column pedestals, plinth beams, grade beams, staircase steps, Sill slabs etc. which require only nominal strutting using mild steel sheets of size 90cm x 60cm and 10 BG stiffened with welded mild steel angles of size 25mm x 25mm x 3 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner , vertical stiffener, side support and Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals etc. complete in all floors complying with standard specifcation. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting steel centering including necessary supports for plane surfaces for Reinforced Cement Concrete works such as vertical slab, side slabs of boxing, vertical drops, facia, vertical wall, etc. using mild steel sheets of size 1200cm x 60cm and 10 BG stiffened with welded mild steel angles of size 40mm x 40mm x 5 mm for boarding, laid with silver oak joists of size 10cm x 5cm & 7.5cm x 5cm as support runner, Top Horizontal stiffener spaced at about 60cm to 90cm centre to centre or at suitable intervals. MS Channel Section (ISMC 100) shall be provided as a vertical upport @1.20m C/C and with Lateral support of Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) & steel pipes of 20mm dia @ required level/spacing etc. complete complying with standard specifcation and as directed by the departmental officers. (Payment for centering shall be given after the concrete is laid)

Supplying and erecting steel centering including necessary supports For plane surfaces such as rectangular or square RCC columns etc. which require only nominal strutting using mild steel sheets made of 10 gauge thick welded with MS angle size 40mm x 40mm x 5 mm and supported by Steel Adjustable Telescopic Props of Size 2m x 2m (expandable upto 3.60m) made with outer steel pipe with dia 50mm (3.60mm thick) and inner steel pipe with dia 40mm (2.90mm thick).etc..complete in all floors complying with standard specifcation. Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supply, delivery and fixing in position SFRC Manhole cover slab with frame of size 60cm x 60cm of approved quality including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification and as directed by the departmental officers.

Supplying and deliverying of PVC mould CI steps for sump cost of materials transportation and fixing charges rtc, complete as per standard specifications

Supply and fixing of ISA angle for tuss including cost of material conveyance of all mater, fabrication and fixing charges etc. complete as per ISI with rust preventive primer and ready to assemble condition for easy installation at site including dismantling making necessary with power drill to the accessories such as supplying and fixing holdfast, plastic brush inserts receiver runner buttom shock absorbers etc. complete as directed by departmental officers

Supplying , fixing and roofing with colour galvalume sheet of 0.47mm thick with all necessary accessories such as J/V bolt and nuts of suitable length with suitable bitumen washers complete complying with standard specification and as directed by the departmental officers.

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type.Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation.(upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star DeltaPanel and beyond 25 HP shall be ATS) Discharge 20 to 100 M3/hour

The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed,copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. and as directed by the departmental officers. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) - sewage Transfer Pumps for STP - (1 working +1 standby)10 m upto 15 m head,Discharge 20 to 100 M3/hour

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type.Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation. Discharge 100 to 200 M3/hour

The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed,copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above.and as directed by the departmental officers. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) - MBR Permeate Pump with motor - 25 m upto 30 m head,(1 working +1 standby) Discharge 20 to 100 M3/hour

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type.Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation.

The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed,copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above.and as directed by the departmental officers. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) - Activated Sludge Recirculation Pump with motor - 10 m upto 15 m head,Discharge (1 working +1 standby) 100 to 200 M3/hour

Design Supply and erection of air blowers Ring Blower with electrical Motor, 1300 m3/hr . centrifugal design, often double-inlet, running on single or three-phase power (e.g., 230V), consuming around 40 HP, operating at speeds like 1440 RPM, and producing noise around 76 dBA, suitable for ventilation/exhaust, with key specs including airflow (m³/hr & CFM), power, voltage, RPM, noise, and weight Air blower with motor are provided for one number for operational and one number for standby. The Air blower make is of Robuschi/Everest/KAY/Equivalent to suit the design requirements. The Air blower with is fixed in a base frame. Necessary foundation bolts, nuts are provided to fix the total coupled assembly of Air blower and motor in the concrete bed. The cost includes the cost of Air blower, base frame , diffusers, foundation bolts, erection charges, transport charges, labour charges., etc., complete,complete complying with standard specification and as directed by the departmental officers.(1 working +1 standby)

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type.Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation.

The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed,copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above.and as directed by the departmental officers. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) - MBR Recirculation Pump -(1 working +1 standby) 10 m upto 15 m head,Discharge 100 to 200 M3/hour

Supply and delivery and fixing of PVC water tank 3 layer as per IS code including loading, unloading, transportation and labour charges for fixing etc complete.,and as directed by the departmental officers.

Supply and delivery and fixing of 100 L capacity Cylindrical tank of 750mm Diametre made upof High-quality Stainless Steel ss304 Available in both vertical Rust-proof, non-breakable, corrosion-resistant, and long-lasting. Features a smooth, often mirror-polished interior surface to prevent bacterial growth and facilitate easy cleaning Secure, tight-fitting screw top lid to prevent contamination and spills,he sealed design prevents the escape of vapors and external contamination, while the stand ensures stability and proper positioning for gravity feed or pump suction,Ranges from atmospheric pressure up to 100-150 psi (approx. 7-10 bar) for pressure vessels.typically Inlets, outlets, and overflow pipes,Drain valve connectionsUsually includes a tight-fitting screw cap and a split-level or raised top surface designed for mounting accessories like a dosing pump, mixer, or instrumentation.and also with stand of height 3 m, the stand is makeing by ss angle of 50mm x50mm ss304 Available in both vertical Rust-proof, non-breakable, corrosion-resistant, and long-lasting. Features a smooth, often mirror-polished interior surface to prevent bacterial growth and facilitate easy cleaning.The rate shall be including of loading, unloading, transportation and labour charges for fixing etc. as specified by the departmental officers.,

Supply and delivery and fixing of Rotary Drum Fine Screen ,The frame and drum are almost entirely constructed from corrosion-resistant Stainless Steel AISI SS304 matterial layer Screen Opening Size 3 mm Flow rate 75 m3/hr Most units are fully automated and can be customized to specific site requirements Typically installed at a 35° incline Combines screening, transport, washing, dewatering, and compaction in a single, space-saving Features an automatic self-cleaning system using external high-pressure spray nozzles and a scraper brush to prevent clogging. including loading, unloading, transportation and labour charges for fixing etc. as specified by the departmental officers.,

Supply and delivery and fixing of MBR Modules model NHP210-600D make of Toray/Alfa laval/Sperta System Equivalent PVDF Flat sheet type The Toray NHP210-600D is a specific, large-scale submerged flat-sheet membrane bioreactor (MBR) module designed for biological wastewater treatment. This robust module integrates 600 individual flat-sheet membrane elements into a single frame, providing a substantial total membrane area of 420 square meters. The membranes themselves are made from durable PVDF (polyvinylidene fluoride) material with a fine nominal pore size of 0.08 micrometers, supported by a PET non-woven fabric, ensuring effective separation of activated sludge from treated water. Physically, the module is sizable, measuring approximately 763 mm wide by 1,635 mm long by 3,845 mm high, and weighs about 440 kg dry. Key operational parameters include a standard scouring airflow rate of around 1,300 NL per minute per module to prevent fouling, an operating temperature range of 5 to 40 degrees Celsius, and a maximum recommended transmembrane pressure of 20 kPa. Constructed with a 304 stainless steel frame and polypropylene components, the NHP210-600D is engineered for high-density packing, energy efficiency, and reliable performance in various municipal and industrial applications including loading, unloading, transportation and labour charges for fixing etc., as specified by the departmental officers.

Supply and delivery of submersible centrifugal sewage non-clog pumps, vertical spindle type pump, wear resistance with submersible motor for the various duty conditions. Pump shall be capable of handling min 100 mm solid size with sewage specific gravity of up to 1.05.Pump shall be of robust construction, Liquid passages shall be finished smooth and designed as to allow free passage to solids. Pump Impeller should be of Non-clog semi open type, single vane / multi vane preferably contra bloc or vortex impeller design. Double mechanical seal with silicon carbide faces should be provided to protect the motor from ingress of sewage along the shaft. The critical speed of the rotor shall be at least 30% above the operating speed. Pumps should have double bearings between the pump & motor. The bearings life shall be minimum 100,000 hrs of operation with greased for life. Pump should be provided with automatic coupling device including pedestal, duck foot bend, stainless steel guide pipe or related accessories of suitable size to facilitate lifting and lowering into guide rails for easy maintenance. Pump shall be provided with a stainless steel lifting chain conforming to BS 970 Gr 304. Pump speed shall be of 9600 rpm for high duty pumps and 960/1450 rpm for low duty pumpsets. Casing and impeller should be of CI Gr. FG 260:IS210 more preferably with hardened impeller.Shaft should be of stainless steel AISI 410. All the fasteners and bolts shall be of AISI 410.The submersible motor shall be operated with 3ph, 415 V (+or– 10%), 50Hz (+or-5 %) dry induction type.Motor shall be capable of giving rated output without reduction in the expected life span when operated continuously. The rotating assembly shall be dynamically balanced as per standards. The starting current of the motor shall not exceed 200% of rated full load current for Star / Delta or ATS starting under any circumstances .The motor shall be suitable for full voltage star delta / ATS starting. The locked rotor current of the motor shall not exceed 600% of full load current unless otherwise specified. Motor shall be designed to withstand 120% of rated speed for two minutes without any mechanical damage, in either direction of rotation.and as directed by the departmental officers.

The motor vibration shall be within the limit specified in applicable standards. Motor should be of IE2, explosion proof compatible for VFD operation together with star-Delta /ATS starter, protection against increase in stator winding temperature (15 deg Celsius), bearing temperature, leakage in the stator housing and terminal box shall be provided and to be suitably interlocked with the control panel for tripping the pump in case of increase in temperature beyond set limit. Insulation class shall be of “Class H” and degree of protection shall be of IP 68 as per IS 4691.Motor shall be suitable for continuous operation in fully submerged or partially submerged condition.The pumpset shall be supplied with power cable of PVC insulated and PVC sheathed,copper, flexible, round type with required conductor size and number of cores as per starting method and of specified length for continuous use under water and air. The control cable of PVC insulated, PVC sheathed, flexible for stator winding temperature sensor 3core x 1.5 sq.mm copper conductor and for bimetallic switches 2core x 1.5 sqmm copper conductor shall be provided. Motor shall be supplied with 10m of round submersible copper cable of suitable size.The non clog submersible pumpset shall be provided with suitable starter control panel having all protections as mentioned above. (upto 5 HP - DOL Starter, above 5 HP to 25 HP -Star Delta Panel and beyond 25 HP shall be ATS) - CIP Pumps with motor and as directed by the departmental officers.(1 working +1 standby)

Supplying, laying and jointing UPVC pipes of Class 6 (having working pressure of 12.50 kg/sq.cm) conforming to IS 4985- 2000 of approved quality and best variety of the following dia including cutting and fixing UPVC specials using UPVC adhesives (but excluding cost of such specials) in accordance with IS 7634-3 (2003) and fixing into wall with teak wood plugs, PVC clamps and screws making holes on the wall (or) drilling holes in the roof and making good the dismantled portion to original condition with necessary brick work / cement concrete and plastering neatly wherever necessary with necessary scaffolding charges, etc., complete complying with standard specifications. The UPVC pipes shall be got approved by Executive Engineer before use on works - Internal water supply above ground level.

50mm dia

40mm dia

Supplying, laying and jointing G.I. Pipes of approved quality and best variety of “B” class pipe of the following dia including labour fixing G.I. Specials, (excluding charges for cutting and threading of pipes, cost of such specials) to wall with necessary teak wood plugs, clamps, screws, thread balls, shellac, etc., making holes on the walls (or) drilling holes in roof and making good the dismantled portions to original condition with neceSORay brick work / concrete and plastering wherever neceSORy with necessary scaffolding charges. The pipes are to be painted with the 2 coats of good variety and approved best quality of synthetic enamel paint over a priming coat of red oxide etc., complete in all floors complying with standard specification. G.I. pipes shall be got approved by the Executive Engineer before use on works - Internal water supply - Above Ground Level

50mm dia

Supplying UPVC Specials in water supply arrangements (both in internal and external water supply arrangementsand etc as directed by the departmental officers.

50mm dia Elbow

40mm dia Ebow

50mm dia Bend

40mm dia Bend

50mm dia Coupler

40mm dia Coupler

50mm dia Tee

Supplying and fixing in position the following GI Specials of heavy type and approved quality and good variety excluding fixing charges but including necessary cutting and threading of GI pipes, jointing the GI specials and painting with two coats with good variety and best quality synthetic enamel paint over a coat of red oxide primer and jointing the specials with pipe line using shellac etc., complete complying with standard specification and as directed by the departmental officers.. (The GI specials should be got approved by the Executive Engineer concerned before use on works.)

50mm dia Elbow

50mm dia Bend

50mm dia Coupler

Design, Fabrication, supply, erection of Instrumentation pressure Gauge/Transmitter as per process requirement ,Pressure Switch as per process requirement,Level Sensors in MBR Tan k Flow Transmitter at the outlet of MBR Line Differential Pressure Switches,Electrical Auto Valves Butterfly Valves, Non-Return Valves for Air Diffuser CleaningThe cost includes the cost of panel board,, starters, switches, voltmeter, Ammeter, main switch, cables for motors, labour charges etc., complete and as directed by the departmental officers.

Supplying, fabricating & fixing made of MS, with flats 25 x 3mm spaced at 10mm c/c with MS rake type Size: 1000mm x 1000mm, placed at 45 degree to the vertical in the bar screen the make of Orion.The flat cutting, welding, bending wherever necessary finished with matt finishing etc., complete. cost of material and conveyance of all materials, labor for all item of work, equipment and all other incidental charges and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Equalization tank MS fabricated in make of Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with 450 GSM mat . The Tank size 2 meter dia and 5.5 meter length and tank capacity 20 m3. Provided Support, Inlet and out flanges with pipes, Two manholes the man hole dia is 700mm , air vent nozzle 25mm, lift hook and grouting bolt support. Complete set of valves, piping at inlet, outlet and drain out point etc., with MS class ‘B’ pipes .The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Treated water tank MS fabricated in make of Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with 450 GSM mat . The Tank size 2 meter dia and 5.5 meter length and tank capacity 20 m3. Provided Support, Inlet and out flanges with pipes, Two manholes the man hole dia is 700mm The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, installing, testing and commissioning of ETP (working -1) Mono bloc type Effluent transfer pumps to pump the Effluent water from equalization tank to ETP process tank at 2.70 cu.m / hr flow rate and head of the pump is 15m . The pump shall be coupled to adequate H.P. electrical motor, mounted on a common base frame made out of 'MS' with necessary bolts, nuts. solid Particle Size Handling 20mm inculding Valve Suction ,delivery each 2 nos ci type valve, Ball /Butterfly,Non Return Valve. The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Neutralization tank MS fabricated in make cylindrical type and dia of 1500mm and height of tank 1500mm Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with with 450 GSM mat . Cylindrical tank including cost of material of motor capcity of 0.5 hp and flash mixer. The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of coagulation tank MS fabricated in make of Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application.the dtank dia is 3500mm and height of the tank is 3000mm The tank FRP coated Internally & Externally wi th 450 GSM mat . The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Coagulant Dosing System: Supply & installation and erection PVC/HDPE chemical dosing tank of 50 liters capacity. The dosing tank shall be free standing. The dosing pump was Diaphragm typeflow rate is 5 LPH and a back presser of 3 Bar and power of 0.024 KW. Dosing tank is to be equipped with inlet line provision for chemical mixing water and drain provision. Dosing pump is to be mounted on top of the dosing tank.The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Flocculants Dosing System: Supply & installation and erection PVC/HDPE chemical dosing tank of 50 liters capacity. The dosing tank shall be free standing. The dosing pump was Diaphragm typeflow rate is 5 LPH and a back presser of 3 Bar and power of 0.024 KW. Dosing tank is to be equipped with inlet line provision for chemical mixing water and drain provision. Dosing pump is to be mounted on top of the dosing tank. The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Poly Dosing System: Supply & installation and erection PVC/HDPE chemical dosing tank of 50 liters capacity. The dosing tank shall be free standing. The dosing pump was Diaphragm typeflow rate is 5 LPH and a back presser of 3 Bar and power of 0.024 KW. Dosing tank is to be equipped with inlet line provision for chemical mixing water and drain provision. Dosing pump is to be mounted on top of the dosing tank.The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

CLARIFIER TANK :Supplying, Installing, Testing & Commissioning of Primary clarifier tank MS fabricated in make of Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with with 450 GSM mat .Equipment : Central Drive with bottom scrapers and feed well with inlet arrangement Drive : Gearbox Bearings : Bush and Bottom guide type etc The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Sludge well M S fabricated in make of Orion shell thickness: 5mm with necessary flat, support, flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with with 450 GSM mat .The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, installing, testing and commissioning of fine bubble diffuser with 60 mm dia x 600 mm long with membrane from EDI, USA/ EQUIVALENT Shall consists of set of EPDM membranes, SS 304 clips MS support pipe(10 ksc pressure rating),MS fitting(like elbows, tees, colors etc.), with all accessories to make it retrievable.The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Secondary clarifier tank MS fabricated in make of Orion shell thickness: 5mm with necessary flat, support,flanges for storing water for water treatment application. The tank FRP coated Internally & Externally with with 450 GSM mat ,Inlet Pipeline : 80NB The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, installing, testing and commissioning Mono bloc type pumps (one working) for pumping primary treated water through sand pressure filter, activated carbon filter, dozer etc and finally to treated water tank .The pump shall be coupled to the adequate H.P.the make of the pum Kirloskar / CRI/ Equivalent electrical motor and shall be mounted on a common base frame made out of 'MS' with necessary bolts, nuts The pump shall be suitable for the following requirements the flow rate of the pump is 8.12 m3/hr head of 25-30m ,the valuve of suction ,delivery each 2 nos butterly valve,Pump (1 w ) The rate shall be inclusive of cost of materials, transportation and supply to work site etc.,complete complying with standard specification and as directed by the departmental officers.

Supplying, Installing, Testing & Commissioning of Multi-Grade Filter Filter MS fabricated cylinderical in make of Orion shell thickness 5mm dish thickness: 5 mm and painted internally with two coats of enamel black and externally with one coat of red oxide primer and above that a layer of two coats of enamel paint. Filtering media: Graded Gravel/Sand,pebbles,. Working pressure3.5 kg/cm2 & Testing pressure 5 kg/cm2 ,Minimum depth of media is 915mm MGF filter dia 800mm Frontal Pipeline 50NB ,Filter medias are sand,gravel sand,pebbles. total media in 800 kg inculding loading and unloading and filling charges etc.,complete and as directed by the departmental officers.

Supplying, installing, testing and commissioning consisting of single screw pumps flanged ends with CI body ally steel rotating parts etc., complete to pump sewage from sludge holding tank to filter press at 1 cum / Hr flow rate. The plate closing ,plate shifting in the manual type inculding loading and unloading ,fixing charges etc.,complete complying with standard specification and as directed by the departmental officers.

Providing and fixing in position the Necessaries sizebutterfly valve are commonly fabricated with a body material of IS 2062 Gr. B M.S. or ASTM A 216 Gr WCB and feature a disc of stainless steel (SS 304/316) and a seat of EPDM or NBR. They typically have pressure ratings of PN 6 or PN 10 and operate in a temperature range of -50°C to 180°C. end connection Wafer type, Lug type, or Double Flanged,and ball valves typically include a cast steel body , stainless steel ball and stem and PTFE soft seats & pipe fittings for MS, UPVC typically have a UPVC body and disc, an EPDM or NBR seal, a maximum working pressure of around 10 bar (150 PSI), and are suitable for temperatures up to 60°C to 80°C,of approved make including cost of all martials, Labour and Equipment’s and all other incidental charges etc.,and as directed by the departmental officers. Make: Supreme/finolex/Equivalent

Installation, testing and commissioning of MCCB (Motor Control Circuit Board).Panel suitable for 415V, 3 phase, 4 wire, 50Hz distribution system. The panel shall be Wall Mounting type, sheet metal enclosed, flush front with aluminum bus bars, separate earth bus shall be provided throughout the length of the panel. The incoming and the outgoing feeder breakers, switch, change over switches, indicating lamps, etc. shall be accommodated in a modular multi-tier arrangement. The painting shall be done in conformity with IS code. Adequate size cable alley shall be provided all round the panel and at the back for easy bending and terminations. The outgoing feeders inside the panel shall be connected through solid bus bars. Flexible cable links are not acceptable. Bus bars shall be provided with PVC heat shrinkable sleeves or heat resistant insulated paint. The panels shall be suitable for cable entry from bottom etc.,complete complying with standard specification and as directed by the departmental officers.

ADD GST 18%

SRI BHARATHI CONSTRUCTION (BID ID -1560594)