Mangalampettai TP STP FSTP Works

Earth work Open excavation by Mechanical Means for Open Earthwork 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. Up to 2.40 Mtr Depth

Earth work Open excavation by Mechanical Means for Open Earthwork 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. 2.40 to 3.40 Mtr Depth

Earth work Open excavation by Mechanical Means for Open Earthwork 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. 3.40 to 4.40 Mtr Depth

Earth work Open excavation by Mechanical Means for Open Earthwork 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. 4.40 to 5.40 Mtr Depth

Earth work Open excavation by Mechanical Means for Open Earthwork 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 100 mts and clearing and levelling including dressing of sides and raming of bottoms etc., complete complying with standard specification and as directed by the departmental officers. 5.40 to 6.40 Mtr Depth

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.

Refilling with excavated earth other than sand with an initial head load of 100 mts. and depositing the earth as shown by the departmental officers in layers of not more than 15cm thick well rammed with surface vibrator, watered and consolidated etc., complete complying with standard specification and as directed by the departmental officers.

Supplying and filling in foundation, basement, etc with conveyed earth in layers of not more than 150mm thick layers well watered, rammed with surface vibrator and consolidated including conveyance charges etc. complete complying with standard specification and as directed by the departmental officers.

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 mechanical means

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 mechanical means

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 2.10 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. complete complying with the standard specificaiton 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 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 centering for plane surfaces such as RCC Floor Slab, Roof Slab, Loft, Landing Slabs, etc with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over steel adjustable span of size 2m x 2m (expandable upto 3.60m) 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 complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Supplying and erecting centering for plane surfaces such as RCC Floor/Roof Beam, Lintels, Cantilever Beams, Bed Blocks etc.. with necessary supports and strutting upto 3.60m height in all floors with all cross bracings using MS Sheets made of 10 gauge thick welded with MS angle of Size 25mm x 25mm x 3mm for boarding laid over Steel adjustable Span of Size 2m x 2m(expandable upto 3.60m) and Silver Oak Joists of Size 10 x 5 cm spaced at 50cm to 60cm c/c 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) Spaced at not more than 50 to 60cm c/c , etc complete complying with standard specifications. Steel adjustable span and Steel Adjustable telescopic props shall be provided 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 rovided as directed by the departmental Officers. (Payment for centering shall be given after the concrete is laid).

Providing and laying in position, Standardised Concrete Mix M-25 Grade by insitu machine mix concrete adopting weighing batch method in accordance with IS:456-2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement content of 350 kglm3 and maximum water cement ratio of 0.50, including admixture (plasticiser / superplasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5.0 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 of reinforcement 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).

Providing and laying in position, (SRC )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).

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).

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)

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 15mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Plastering with Cement Mortar 1:5 (One cement and Five Plastering sand), 12mm thick in all floors including mortar plasticizer at 200ml per 50Kg of cement used, curing etc. complete complying with standard specification and as directed by the departmental officers.

Special ceiling plastering and finishing the exposed surface of all RCC items of work such as slabs, beams, sunshades, facia, canopy slab, staircase waist slab, landing slab etc., with Cement Mortar 1:3 (One Cement and Three Plastering Sand) 10mm thick including mortar plasticizer at 200ml per 50Kg of cement used , hacking the surfaces and curing, etc., in all floors complying with standard specification and as directed by the departmental officers

Weathering Course with Concrete Broken Brick (S.I.No.278) & ( P & D) Data 54.Jelly 20mm gauge in pure slaked lime (no sand to be added) over roof slab,the proportion of brick jelly to lime being '32 to 12.5 well beated with wooden beaters for giving required slope and thickness as directed by the departmental officers etc., complete.

Finishing the top of roof with one course of machine pressed tiles of size 200 mm x 200 mm x 20 mm of approved quality in Cement Mortar 1:3 (One Cement add three sand) 12 mm thick mixed with water proofing compound conforming to ISS at 2% by weight of cement used and the joints pointed neatly to full depth of tiles with the same cement mortar mixed with red oxide and water proofing compound including curing etc., complete

Painting New Plastered Wall Surface with Two finishing coats of ready mixed (Emulsion) of approved quality and colour over one coat priming coat in all floors including the cost of primer etc., complete complying with standard specification and as directed by the departmental officers.(The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Paving the floor with best quality vitrified Tiles of following size and variety conforming IS 15622 with water absorbtion less than 0.08% of approved colour and shade laid over cement mortar bed of 20mm thick in cement mortar 1:3 (one cement and three crushed stone sand) with required Cement Slurry and Mortar Plasticizer in all floors and the top pointed with Water Resistant Tile Epoxy Grout etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Flooring with ceramic tiles of following size and variety conforming to IS 15622 laid over cement mortar bed of 20 mm thick in cement mortar 1:3 (One Cement and Three crushed stone Sand) with required Cement Slurry and Mortar Plasticizer including cutting the tiles to the required size with special cutter wherever necessary, laying in position and pointing with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. etc., complete complying with standard specification and as directed by the departmental officers. (The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Dadooing walls with following best approved quality, white / colour glazed tiles conforming to IS 15622 of following sizes in Cement Mortar 1:2 (One Cement and Two crushed stone sand),10 thick with Mortar Plasticizer and pointing the joints with Water Resistant Tile Epoxy Grout at the rate of 0.27 Kg. / sq.m. neatly in all floors, curing, etc., complete complying with standard specification and as directed by the departmental officers.(The make and brand of the tiles should be got approved by Executive Engineer before use on works)

Supply and fixing of M.S Grills with Doors and Windows with one coat of Red oxide with Primer including all costs such as welding,grinding and fabrication charges, cost and conveyance of all materials to site etc,complete as per standard specification.

Supplying, fabricating, erecting structural steel work for roofing welded or bolted type using MS channels, angles, plates and round bars etc. conforming to IS specification including primer coating and enamal painting as per Design given by the departmental officers etc, complete as per standard specification.

White washing two coats with freshly burnt white shell lime in all floors including cost of lime, blue powder fevicol type gum, brushes, scaffolding charges, etc., complete complying with standard specification and as directed.

Painting new iron works such as steel doors, windows, ventilators, window bars, balustrades etc., with two coats of best approved first quality and colour of synthetic enamel paint over the existing red oxide priming coat in all floors excluding cost of priming coat etc., complete complying with standard specification and as directed by the departmental officers. (The make, quality and colour of paint should be got approved by the Executive Engineer before use on works.)

Providing & fixing PVC RAIN WATER DOWNFALL PIPE of the following dia with necessary T.W.Clamps Plugs, Shoes,Bemds, other clamps, screws nails etc.,complete complying with standard specification. The rate is inclusive of cost of removable iron gratings of appropriate size. The size of Teak Wood plugs used is 150X25mm in front & 200x75mm in rear (wall side) with a depth of 110mm. The pipe is to be fixed by means of "U" clamps at the centre of pipes to be fixed.110mm dia PVC Pipe [4 Kg/SqCm]

Supplying and fixing in position 600mm dia FRC manhole cover to suit 600 mm clear opening manhole frame covers (light or heavy duty) of 60 X 60cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete.M0714

Supplying and fixing in position 750mm dia FRC manhole cover to suit 750 mm clear opening manhole frame covers (light or heavy duty) of 750 X 750cm in size in Cement Mortar 1:3 (One part of Cement and Three part of Plastering Sand (P- Sand)), of best approved quality and as per standard specifications etc.,complete. M0715

Supplying and fixing in position best quality P.V.C soil/ waste pipes (6KSC) of various sizes having ISI mark and providing leakproof joints including fixing to the wall with P.V.C/ M.S clamps etc., and making connection to all sanitary fittings, dismandling masonry/R.C.C. works wherever necessary and making good the dismandled portion to the original condition, complying with standard specifications.

200mm Dia PVC Pipe

110mm Dia PVC Pipe

110mm dia pvc Bend

110mm PVC Elbow

50mm Dia pvc Pipe

Precast Concrete Block masonry using Solid Concrete Blocks of size 400x200x150 mm of grade C (5.0) conforming to IS 2185 (Part 1) : 2005 with following cement mortar in accordance with IS 2572:2005 including mortar plasticizer, curing, etc., complete complying with standard specification and as directed by the departmental officers.

Supply delivery and fixing in position of Stainless steel Welded grill vertical sloping 5mm thick bar placed at a distance of 1.5 cms and dimensions of 700mm x 600mm including cost conveyance to site and all labour charges for fixing inposition etc complete

Supply and delivery of following sizes of C.I. Spun pipes as per IS: 1536/2001 Amendment No.3.July 2008, at the site of work etc., complete and as directed by Engineer in charge.

1)160MM dia pipes

Lowering of C.I Pipes and specials in the trenches and laying to proper grade and alignment and as directed by the TWAD Officers.

Jointing the C.I/ D.I - S/S pipes and specials with molten lead and Yarn including caulking the joints. (Including cost of jointing materials)

Earth work excavation and depositing on bank with initial lead of 10 m and lift of 2 M in narrow trenches having bed width 1.25m & below for laying of pipes for water supply and sewerage works in the following type of soils as directed by Departmental officers. Sand, silt or other loose soil, wet sand or silt not under water light black cotton soil, sandy loam and ordinary soil.SS20B (TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

160MM DIA PVC

Supplying and conveying to site, the following sizes of HDPE pipes of class PN8 (PE-100) & DI class K7 pipes confirming to IS:4984/1995, as specified in Technical Specifications in standard lengths including labour charges for loading, unloading and stacking at site and transportation charges etc., complete as per standard specifications and as directed by the Engineer in Charge(TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Lowering HDPE pipes, DI pipes and specials to trench and laying to proper grade and alignment and as directed by the Department Officers(TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Jointing HDPE, DI Pipes and Specials by butt fusion welding / electro fusion welding joints using fusion equipment as per ISO 21307-2011 and as per IS 7634 (part-2) : 2012 including cost of hire charges for butt fusion equipment power supply arrangements etc., complete as per directed by Department Officers. (TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Testing of pipes for water supply with hydraulic testing equipment by filling with water (including cost of water) and testing to recommended pressure in convenient stretches and attending the bursts if any occured during the test, excluding the cost of pipes but including other incidential and operational charges etc., complete for the following diametres of pipes.

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Supply, delivery of HDPE Specials As Per IS 1736-1995 including unloading, transportation and stacking charges. Specials for HDPE pipes as per IS 8360/1977/Part 1(Reaffirmed 1992) Part II and III(Reaffirmed 2002). Reaffirmed to IS 4984-2016 conveyance to work site etc., complete as directed by the Engineer in charge Equal Tees ((TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Bends - 90 Degree Bend PN6 (TWAD SOR 2025-2026) 90MM DIA HDPE

Bends - 90 Degree Bend PN6 (TWAD SOR 2025-2026) 110MM DIA HDPE

Bends - 90 Degree Bend PN6 (TWAD SOR 2025-2026) 160MM DIA HDPE

End Caps (TWAD SOR 2025-2026) 90MM DIA HDPE

End Caps (TWAD SOR 2025-2026) 110MM DIA HDPE

End Caps (TWAD SOR 2025-2026) 160MM DIA HDPE

Refilling the trenches with excavated earth (other than sand) in layers and watering, ramming and consolidation as per standard specification etc complete and as directed by Engineer in charge (TWAD SOR 2025-2026)

90MM DIA HDPE

110MM DIA HDPE

160MM DIA HDPE

Disposal of surplus earth including loading, conveyance within a distance of 5 km and spreading as directed by the Engineer in charge. (TWAD SOR 2025-2026)

Random Rubble in Cement Mortar (1:6) etc., Complete complying with standard specification and as directed by the Departmental Officers.

Wiring with 2X 1.5 sqmm (22/0.3) PVC insulated unsheathed SC.Cu.conductor of 1100v grade in suitable PVC rigid pipe on wall and ceiling with PVC accessories with TW switch box with 5A F.T switch inflush with wall, covered with hylum sheet of 3mm thick with painting of suitable colour for open PVC light point etc complete SD-25

Supply and fixing of 40 W tube light fittings with copper choke and all other accessories etc., complete complying with standard specification.(S.D 89)

Supply and run of 2 of 4 Sq mm (56/03) PVC insulated SC unsheathed all conductor of 1100 V on 7/20 GI Bearer Wire for Service connection Mains. (S.D 57)

Supplying and fixing of 16 Amps DB Switch with metel clad of 500 V with fuse and neutral ( Side handle) on Suitable TW Box PWD Earthing. (S.D 141)

Supply and fixing of 1200m A.C. ceiling fan with regulator and all other accessories etc., complete complying with standard specification.(S.D 110)

Supplying and fixing in position of Water closset with 'S' trap including all iincluding dismandling masonry and redoing the same to the original condition

Supply and delivery and fixing of HDPE tank 1000 Litre Capacity as per IS 12701 / 1996 including loading, unloading, transportation and labour charges for fixing of the GI pipes and specials for pipe connection works including cutting, threading and fixing charges etc.,

Supplying and fixing in position of Sanitary pipes and specials including cost, conveyance and all labour charges for fixing in position including all other incidental charges therefore etc complete.

110mmPVC Tee

110mm PVC Elbow

110mm PVC Pipe

Manufacturing, supplying and fixing in position of RCC Jally of 5cm thick in cement concrete 1:2:4 using 20mm machine crushed stone jelly (excluding cost of reinforcement steel) including cost of mould, finishing, curing, lifting, fixing in position etc., complete complying with standard specification and as directed by the departmental officers.

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum

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.

Discharge upto 0 to 20cum/hr 10m Head

Discharge upto 0 to 20cum/hr 15m Head

Discharge upto 0 to 20cum/hr 20m Head

Discharge upto 20 to 100cum/hr 20m Head

Supply and delivery of 150 mm, flanged, sluice valves shall be as per IS and suitable for 10 bar rating. The body & door shall be of cast iron, spindle - SS AISI 410, Seat rings - SS AISI 304, Back seat bush - bronze. The electric actuator shall consist of reduction gear unit, torque & limit switch with contact, position indicator, hand wheel and locking arrangement. Actuator shall be capable of producing not less than 1.5 times the required torque. The transmission unit shall be designed to transmit twice the required torque.-(WD-M1124)

Supply and delivery of 150 mm non-return valve, flanged and as per IS:5312 and suitable for 10 bar rating. Valve shall be quick closing type with non-slam characteristics and without any external damping arrangements or counter weights. The body and door shall be of cast iron, hinge pin - SS AISI 410, Body / Door rings - SS - AISI 304, Bushes - Bronze.(WD-M1166)

Cast iron pipes and fittings as per drawing shown. Cast iron pipes shall conform to class B IS: 1537 / IS: 1536 / IS: 7181 and pipe fittings shall conform to IS: 1538. All pipes and fittings shall be flanged and inter connected to the pumping main. SUCTION SIDE-150

150 mm CI D/F Pipe- 2 m length

150 mm CI D/F Pipe- 1 m length

150 mm CI 90 deg D/F bend

150mm CI D/F -0.50 m length

200mmx150mm CI D/F Taper

200mmx200mmx200mm D/F Tee

200mm CI D/F pipe-0.5m length

200mm CI Flanged Dummy

200mm CI 90 deg D/F bend

200mm CI D/F duck foot bend

200mm CI flanged socket tail piece

150mm dia Pressure Gauge and Vaccum guage including all accessories as per specifi cation (For Suction and Delivery to be mount ed on wall on Teak Wood Board)(M-2030)

Supply and fixng of TNEB meterboard suitable for 3phase 200A service connection made up of suitable angle iron frame work of size 3 feet x 2 feet using angle iron of size1-1/2"x11/2"x1/4"rigidlyfixedonwallcoveredwithhylemsheetofsize3feetx2feetof12mmthicknesswithnecessaryboltsandnutssupportsandsupplyandfixingof3Nos.200Afuseunits(500V),1No.neutrallink,copperearthflatofsize1"x1/4"withinterconnectionofEBmetertofuseunitsby19/16 PVC insulated copper wire with earth connection complete

Supply and delivery of 1 kVAR electrolytic type capacitor bank with the contactor of ratings shown .(M-1615)

Supply, delivery and laying of various sizes LT cables as following including cost of materials required, cable carrier system like trenches, cable trays, pipe sleeves as per IS: 3043.

3 Core x 6 Sqm

4 Core x 6 Sqm

AC Exhaust Fan 450mm (18") Sweep (Heavy Duty)

Supply and fixing G.I.pipe 50mm dia including cutting and fixing in herb wall and providing weldmesh of size 750x500mm size 10 gauge and providing M.S.Flat 35x6mm size at middle angle alloted of size 25x25x5mm including cost and conveyance and welding with weld mesh etc, complete

Design, Engineering, and Technical Vetting of a combined STP and FSTP system. Scope includes: Site Survey and Soil Testing; Process and Hydraulic Design (PFD/HFD); Detailed Civil, Structural, and Electromechanical Drawings; Third-Party Technical Vetting from a Government Institute (IIT/NIT/Anna University)

Design, Engineering, and Technical Vetting of a combined STP and FSTP system. Scope includes: Site Survey and Soil Testing; Process and Hydraulic Design (PFD/HFD); Detailed Civil, Structural, and Electromechanical Drawings; Third-Party Technical Vetting from a Government Institute (IIT/NIT/Anna University);

Construction, Supply, Erection and Commissioning of Inlet chamber & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units and all connected works etc.complete.

Construction, Supply, Erection and Commissioning of Manual Screen Chambers with R.C.C Screen channels including manual medium Coarse and Fine screen civil & mechanical. monitoring, control and data acquisition on quality and quantity and their mechanical standby units all connected works etc. complete

Construction, Supply, Erection and Commissioning of Equalization Tank with coarse bubble diffusers, air supply pipes from Blowers to basin header,air supply dropper submerged in tank, submersible pumps, lifting arrangements for pumps including all mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all etc, complete as per specification.

Construction, Supply, Erection and Commissioning of Secondary Clarifier including clarifier mechanism, guide channel, spindle, shaft, Sludge handling pumps (Re circulation pump) to transfer the sludge to sludge holding tank and to Aeration tank with all accessories etc. complete, with all connected civil, mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all etc, complete.

Construction, Supply, Erection and Commissioning of Sludge Holding Tank including all connected civil, mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all etc, complete.

Construction, Supply, Erection and Commissioning of Filter Feed Tank with Filter Feed pumps to transfer the sewage to Multi grade filters with all accessories etc. complete, all connected civil, mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all etc, complete.

Construction, Supply, Erection and Commissioning of Disinfection Tank complete, all connected civil, mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all etc, complete.

Supply, Erection and Commissioning of Air blowers suitable to deliver dry oil free air to the Aeration tank and Equalisation tanks, with required air flow pipes, air flow meter, pressure gauges, valves, Air Blowers with accessories, electro mechanical & instrumentation accessories etc.,complete as per specification

Supply, Erection and Commissioning of Multi-Grade Sand Filter (MGF) to remove suspended solids and turbidity. Includes a high-strength pressure vessel (FRP or MS), graded layers of filter media (sand, pebbles, and gravel), and a frontal pipe assembly with valves for easy backwash and rinsing. Comes complete with pressure gauges and internal distribution systems for efficient water filtration.

Supply, Erection and commissioning of Online Chlorine Dosing Pump (HYPO) with dosing Tank including all necessary arrangements., as per specification etc., complete

Supply, Erection and commissioning of Online Polymer Dosing Pump (POLY) with dosing Tank including all necessary arrangements., as per specification etc., complete

Supply, Erection and commissioning of Filter Press Mechanism including Screw pumps and all necessary arrangements., as per specification etc., complete

Supply, Erection and commissioning of Motor Control Center (MCC) Panel to accomodate all the drive units with cabling, glanding with in STP cum FSTP compartmental, design Indoor wall mounted type with top entry for cable the internal components either Siemen / GE shall be provided with 1no. Energy meter, control panel necessary cable ducts lighting fixtures, cabling for the entire plant, earthing, safety equipment’s and Allied Works including all civil, mechanical, electrical & instrumentation works for monitoring, control and data acquisition on quality and quantity and their mechanical standby units all, etc complete.

Supply, Erection, testing and commissioning of Electromagnetic Flow meter for inlet raw sewage and outlet treated sewage including cables, earthing etc, complete

Operation & Maintenance for 1st Year

Operation & Maintenance for 2nd Year

Operation & Maintenance for 3rd Year

Operation & Maintenance for 4th Year

Operation & Maintenance for 5th Year

G.S.T (as applicable) for Operation and Maintenance Amount for 5 Years only (Serial Nos. 89 to 93 only)

Design,construction,supply,erectionandcommissioningofSewageTreatmentPlant(STP)cumFaecalSludgeTreatmentPlant(FSTP) with a capacity of 1.01 MLD at Mangalampet Town Panchayat

Interception and diversion work Total Charges

Operation and Maintenance works for 5 Years

G.S.T (as applicable) (for Serial Nos. 95 to 97 only)

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