Construction of 4.00 LL capacity sump andinterlinkingofpumpingmain

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.

0 to 2.4 Mtr Depth

2.4 to 3.4 Mtr Depth

3.4 to 4.4 Mtr Depth

3.4 to 4.4 Mtr Depth

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 well rammed,watered.

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

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)Curved Surface

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).Roof Beam

Providing and laying in position, Standardised Concrete Mix M-30 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 400 kg/m3 and maximum water cement ratio of 0.45, 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).

Below GL Upto 4.50 Mtr Depth

Above GL up to 1.50 Mtr

Above GL up to 1.50 Mtr TO 4.50 Mtr

Above GL up to 4.50 Mtr TO 7.50 Mtr

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 einforcement 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 fixing in position C.I.Manhole 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.

Brick work in following Cement Mortar using best quality Burnt Clay Brick of size 9” x 4 3/8” x 2 3/4” with class designation of 7.5 conforming to IS 1077-1992 for foundation and basement including Cost of Mortar 1:5 Plasticizer curing, etc.,complete complying with standard specification and as directed by the departmental officers. Brickwork shall be done as per IS 2212-1991 adopting English Bond generally.other type of bond shall be done as directed by the Executive Engineer in charge.

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.

Painting the walls with two coats of cement paint over one coat of cement primer as instructed by the departmental officers including preparation of surface curing, etc., complete in all floors complying with standard specifications and as directed by the departmental officers. (The colour and shade of the cement paint shall be got approved by the Executive Engineer before use of work).

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.)

Supply and Delivery Fabrication of MS doors and windows with outer frame and shutter frame in MS angle of size 40mm x 40mm x 6 mm with MS flat 25mm x 25mm x 6mm and MS sheet of 18 gauge including ventilating arrangements using 20mm square MS rods with locking arrangements including two coats of approved enamel paint over coat of red oxide including cost of angles, plates, sheets, fabrication charges, cost of hold fast and transportation charges etc., complete. Fully panelled Double leaf - Window (without Ventilator)

Supplying and Erecting Pull and Push Type Rolling Shutter with ISI make of approved size and section using 18 GI sheet. The shutter shall be painted with one coat of redoxide primer and the rate is inclusive of hood covers,transportation charges etc (Manually Operated (up to 8 sqm. Area))

Earth work excavation for Pipe Laying work by removing dense medium rock using controlled blasting method by drilling blast holes using compressor and jack hammer including dewatering wherever necessary, cost of gelatin, electric detonator, licensed shot fireman, labour for filling earth in gunny bags, labour for excavation of earth, conveyance of earth including cost of gunny bags, M.S Plates, barricading, putting up road diversion boards and providing red light signal during night, removal of debris etc., where open blasting is prohibited and as directed by Engineer

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Supply and delivery of Ductile iron socket Pipes for class K7 as per IS 8329/2000 of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification .

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Supply and delivery of Ductile iron socket Pipes Specials of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification 300mm Dia DI Bend .

400mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

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

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Jointing the C.I/ D.I Double flanged pipes and specials with rubber insertion to with IS-638(1979) and M.S. bolts and nuts of IS 1364-1 (2002), including cost of jointing materials such as bolt and nuts Rubber insertion and labour charges etc., complete.

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Refilling with excavated earth in layers of 30 cm watered well rammed and consolidatred conforming to standard specification including labour charges as directed by Engineer in Charge.

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

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.

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Supply and delivery of DI D/F Gate (sluice) valves (soft seated) resilient seated soft sealing Gate Valves (Sluice Valves) with body Bonnet of Ductile cast iron of Grade GGG 40 or GGG 50, Wedge fully rubber lined with EPDM replaceable spindle nut without gland packing and with 3 O- Ring protection on the shaft and seals of NBR and the valves should be of Vacuum tight and 100% leak proof with face to face dimensions as per BS 5163-89/ISI 14846-2000/DIN 3202 F4. All the valves should be with electrostatic powder coating both inside and out side with pocket less straight through body passage. All the valves are to be compatible for buried application with pressure rating PN 10/16 and with 5 years warranty.

400mm Dia DI Gate Valve

300mm Dia DI Gate Valve

250mm Dia DI Gate Valve

Manufacture, Supply and Delivery of Tamper proof DI single chamber double orifice triple function (ventilating, admiting & ventilating during operation) air release valve with pressure rating PN 10/16 with body and cover made of Ductile Iron of Grade GGG 40 or GGG 50, conforming to IS 1865 with Food Grade Epoxy Powder coating (EP-P) inside and for outside of colour blue RAL 5005. All internal parts such as float, shell etc., cover bolts, made of Austenitic alloy steel of SS AISI 304/316. The float shall be made of Polytetrafluroethylene/ Austenitic alloy steel of AISI 304/316. Gaskets and seals of EPDM / Neoprene rubber for TWAD Board works anywhere in Tamil Nadu and with 5 years warranty.DI single chamber air release valve 80mm

50mm Dia Single Chamber Air Release Valve

80mm Dia SCAR Air Valve

Barricading work (Where, there is less traffic areas and broader roads etc.) for laying of pipe line using casurina poles at 1.50m center to center (8cm to 10cm dia and 1.80m height) vertical with horizontal poles in three rows including painting the vertical poles in the road facing sides with ready mix paint, tying the vertical and horizontal poles with coir rope including fixing charges and fixing 75mm dia reflectors including earth work excavation for fixing vertical posts and finally removing and stacking the materials safelyfor further use etc., complete and as directed by TWAD Board officers

400mm Dia DI K7 Pipe

Construction of sluice valve Pit of size 400 mm &350mm Earth work Excavation in all soils with initial lead of 10m and initial lift of 2 mtr, PCC 1:5:10 using 40mmHBG for levelling course,brick work in CM 1:5,Plastering with cement mortar 12mm Thick,RCC M20 Grade of Concrete, Supply, Fabriction and placing in Position of RTS Steel ,Centering Workd Including Transportaion and Labour Charges etc

400mm Dia DI K7 Pipe

300mm Dia DI K7 Pipe

250mm Dia DI K7 Pipe

Excavating of driving pit and receiving pit of size 3.00m (length) x 3.50m (breadth), upto 5m depth in all soil strata including shoring and strutting using 6mm tk MS Plate of size 3.50m x 3.50m usable for 20 operations and providing 16mm thickness MS plate of size 3.00m x 3.50m with 100mm x100mm x 12mm angles of 4m length for holding the MS plates for Thrust arrangements to receive the impacts during pushing operation of encasing pipe. Lowering the following size of MS encasing pipe by using Contractor’s crane and machineries and jointing MS pipes by welding, across the National Highways/ State Highways/ Railways/Canal crossing etc and driving the horizontal bore by pushing / jacking method (trenchless technology method) using contractor’s machineries such as cranes, jacks, jacking materials, generator, welding machineries, compressor, jack hammer and other equipments etc. without interfering and causing any hindrance to the movement of traffic or any other vehicles, without any disturbances to the railway/ road/canal formation etc. including bailing/ pumping of water where ever necessary without affecting any installation like watersupply pipeline/telephone cable, electric cables etc. passing nearby area and scoopingthe earth inside the pipes and pit and depositing the surplus earth in a convenient place and leveling the site after completion of entire work as directed by TWAD Engineers. The rate includes the cost of driving pit, thrust bed/wall and receiving pit excluding the cost of MS pipes.

For 700mm dia MS encasing pipe for various thickness

For 600mm dia MS encasing pipe for various thickness

Supply and Delivery of MS pipes of preferred dimensions ranging from 168.30mm OD to 2540mm OD having 2.6mm to 25mm thickness as per Table- 5 of IS 3589/2001 fabricated with Fe410 grade steel conforming to IS 3589:2001 and other allied codes. Pipes shall be internally lined with plant applied cement mortar lining 1:2, The Lining thickness range from 6 mm to 12 mm for 168.3 mm OD to 2540 mm OD as per Table -8 of IS 3589:2001

711mm Dia x 7.1mm Thickness of pipe

610mm Dia x 6.30mm Thickness of pipe

Supply and Delivery of DUCTILE IRON CLASS PN10 FLANGED PIPES Including Transport and all Labour Charges

300mm Dia D/F 1.50mm pipe

300mm Dia D/F 1.50&1.00mm pipe

300mm Dia D/F Bend &Tee

300mm Dia D/F Bend &Tee

Supply and delivery of Vertical type water/Oil lubricated statically, dynamically, hydraulically balanced turbine pump capable of dischargingthe following duty condition as given below due to all causes with surface discharge head confirming to IS 1710 and as amended ason date with accessories as per IS 5120/1977 (Reaffirmed 2011) and as amended thereafter to suit the site condition. The speed, No.of stages, sizes of column pipes and line shaft indicated is based on site condition prevailing during investigation. The pump should besupplied with non reversible ratchet pin housing safety clutch, suction strainer etc. The Pump Bowl assembly shall be with bronze impellerrunning at 1450 rpm. The pump includes suitable head shaft, suitable 1.5 metre long SS line shaft required Nos. to suit the well depth,Rubber line shaft bearing of required Nos., C.I Bearing retainer of required Nos., 100 litre HDPE Pre- lubricating tank with 20mm PVC Rigidpipe connection along with GM gate valves, Suitable ERW column pipe of each 1.5m long of required Nos. to suit the well depth, Suctionbell mouth of suitable size, M.S. clamps suitable for column pipe/line shaft -2 set and Spanner - 1 set etc complete.TWAD SOR Page No :125 WD-M1807.2000x60 LPM

Supply and delivery of AC three Phase 6 pole Horizontal squirrel cage Induction motor confiriming to IS 325/1996 and as amended thereafter with Class F insulation to suit the speed of pump and suitable for operation with continous S1 rated, 415 V +/- 10%, 50 HZ +/- 5%, TEFC (upto 20 HP), SPDP (above 60- HP). The motor offered should be of energy efficient motors. .

Erection of water Lubricated / oil lubricated vertical turbine pump with motor at site of work including preparation of suitable foundation and bed, fabrication of packer plates from raw materials , cutting required shims , assembling and joining of all required loose components such as bowl assembly, impellor shaft, line shaft, column pipes , head soft, discharge head, bearings, drive unit, delivery side pipes , suitable tappers required valves and specials, pressure gauges and flow meters , adjustment of pump shaft and leveling and alignment checkup greasing of relevant components, grouting of foundation bolts and sole plate with non shrink grout materials of conbextra GP-2 cement erection,connecting the relevant electrical cables with motor properly etc. complete and testing the out put and efficiency, site performance test for noise and vibration and trial run for minimum 10 days and commissioning satisfactorily for the various HP of the vertical turbine pumpsets as given below per IE rules as directed by TWAD Board officers .

Supply and delivery of Fully Automatic Auto Transformer Starter suitable for the motor offered.Floor mounting type air/ oil cooled Auto Transformer Starter with tapings at 50%, 65%, 80%,housed in robust steel chamber with arc and main contacts confirming to IS 8544 Part IV and as amended therafter for operation in AC three Phase 50 Hz (+/- 5%), 415V (+/- 10%) with the following components, under voltage release with no volt coil, over load relay with dash pot arrangements, single phasing preventor, LED ON/ OFF switches, Mounted Ammeter, Earth leakage relay, contactor assembly suitable for next standard KW rating, in coming and out going cable entry provisions, transformer tank including first filling of oil etc.

Supply,delivery and laying of 50 sqmm 3 core Flat copper cable of L.T.cables 3,3.5,4 core 1.1 KV grade armoured aliuminium conductor cross linked poly ethylene insulated PVC sheathed cables conforming to IS 7098( Part I ) 1988 and as amended thereafter

Supply and delivery of NON RETURN VALVES of approved make including cost and conveyance of all materials and labour charges and other incidental charges to site etc., complete. as per standard specification. , WD-M1169 300mm

300MM DIA DUAL PLATE CHECK VALVE)

300MM DIA Gate Valve

300MM DIA Mechanical Joint Collar

Jointing C.I/ D.I double flanged pipes and specials with rubber insertion or any equivalent to the required specifications with M.S. bolts and nuts etc., complete including charges for special tools and plants such as air compressor and helmets and sheet piles. etc (including cost of jointing materials)

300mm Dia D/F Flanged Joint

400mm Dia D/F Flanged Joint

L.T. CABLES 3 CORE 1.1 KV GRADE ARMOURED ALUMINIUM CONDUCTOR CROSS LINKED POLY ETHYLENE INSULATED PVC SHEATHED CABLES CONFORMING TO IS 7098 (PART I)/1988 AND AS AMENDED THEREAFTER WITH ISI MARKING

Supply and Fixing of 200 Amps TPN Switch with HRC Fuses Sheet Steel Double Break Including all Labour Charges

Supply and Fixing of 200 Amps Porcelain Fuse Unit (500V) Including all Labour Charges

Supply and Fixing LED Bulp 15watts

Supply and Fixing of VFD Starter Panel complete set

Supply and Fixing of G.I Bolt Nut PWD SOR PAGE NO : 379, WR-M0027

Supply and Fixing of Battern Type Bakelite Holder for Lamp PWD SOR PAGE NO : 215, M1319

Supply and Fixing of Modular Switches - Higher End 6A Switch 1W - 1 Module

MOULDED CASE CIRCUIT BREAKER (MCCB) WITH THERMO MAGNETIC RELEASE 160Amps 4Pole

Diesel Generator Set with acoustic enclosure conforming to CPCB IV+ Norms and BIS Specifications with AMF Panel 160kVA

Supplying and Fixing Of Power capacitor for power factor improvement withoil filled with discharge resistance 3 phase 415 / 440V 50 HZ conforming to ISS with ISI marking

3T capacity hand operated over head Travelling (HOT) crane suitable for a span upto 10 Mtrs, and travel length upto 10 Mtrs. with clear lift upto 6 M including gear type chain pulley block and geared Travelling trolley complete with all accessories including girder

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