Construction of Additional Drinking Water Treatment Plant in Summer Storage Reservoir in Palani Municipality

Amount

Earthwork excavating and depositing on bank with an initial lead of 10 metres and initial lift of 2 metres in hard stiff clay, black cotton, hard red earth, shales, murrams, ordinary gravel stoney earth mixed with small sized boulders etc., SS 20B and as directed by dept Officers SLOW SAND FILTER BED

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 - Hard stiff clay, stiff black cotton, hard red earth, shales, murram gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil.SS20B TWAD SOR 2022-23 P.NO 291Feeder Head 450mm DI K7 Pipe

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 TWAD Board Officers.TWAD SOR 2022-23 P.NO 291 Feeder Head 450mm DI K7 Pipe

Supply, Delivery and Filling with M sand complying with standard specification including watering ramming and consolidation etc., complete and as directed by dept Officers-for foundation. SLOW SAND FILTER BED

Levelling coarse in cement concrete 1:4:8 (one cement,four sand and eight aggregate) using 40mm hard broken stone for foundation and leveling coarse including cost of all materials, mixing,placing, ramming, curing, finishing etc., complete and as directed by dept Officers. (Beyond 1.5 m to 4.5 m below GL) SLOW SAND FILTER BED

Reinforced Cement Concrete using M30 Design mix with required cement, sand and 20 mm and 10 mm Machine crushed HBG stone including the cost of all materials, labour charges, mixing by using mechanical mixer machine, placing in position, lifting, vibrating by using mechanical vibrator, finishing & curing but excluding the cost of reinforcement and fabricating, centering, shuttering and strutting charges etc., complete and as directed by dept Officers. SLOW SAND FILTER BED(below ground level)

SLOW SAND FILTER BED(above ground level)

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG 10 stiffened with MS angle of size 25 X 25 X 3mm for Boarding laid over Silver Oak joists of size 10cm X 6.5cm space at 10cm c/c and supported by Casurino Props 10cm 13cm spaced at 75cm c/c etc., complete and as directed by dept Officers. SLOW SAND FILTER BED

Supplying, fabricating and placing in position of Steel rods for reinforcement including cost of steel and binding wire and labour charges etc. complete for RCC works and as directed by Dept Officers. SLOW SAND FILTER BED

White washing two coats over one coat of white washing including colouring pigmnets cost of materials, Labour charges,etc., complete and as directed by dept Officers. SLOW SAND FILTER BED

Supply and Delivery 450mm dia DUCTILE IRON SOCKET/SPIGOT PIPES FOR CLASS K7 AS PER IS 8329/2000 etc completed as per standard specification Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 46

200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 46

Supply and Delivery 450mm dia DUCTILE IRON SPECIALS AS PER IS 9523/2000 etc completed as per standard specification Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 52

Supply, Delivery and fixing of DI D/F Gate valves (Soft Seated) resilient seated soft sealing gate valves (sluice valves) with body bonnet of ductile cast iron of grade GGG40 or equivalent grade, 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 vaccum tight and 100% leak proof with face to face dimentions as CI D/F SLUICE VALVE WITH CAP/ WHEEL AS PER IS 14846/2000 PN 1.0 WITH ISI MARKING All the valves should be with electrostatic powder coating both inside and outside with pocket less straight thro' body passage, inside and outside color Blue including Flange/socket and Flange/spicot tail pieces, etc., loading,unloading, Transportation charges and stacking etc. complete as per specifications. All the valves are to be compatible for burried application with pressure rating PN 10/16. Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 65

Filter bed connecting pipe200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 65

Manufacture, Supply and Delivery of Tamper proof C.I. DOUBLE AIR VALVE AS PER ISI 14845/2000 with pressure range from PN 1.0 to 2.5 with body and cover made of Ductile Iron of Grade GGG 40 or equivalent grade 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 and as amended from time to time and suitable for water supply main including loading freight, transit, unloading and stacking them at site etc. complete Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 67

Lowering of DI pipes and specials carefully into the trench and laying to proper grade and alignment including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by the Departmental Engineer. Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 259

filter bed connecting pipe 200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 258

Cutting of CI and DI pipes and specials true to axis and filing smoothly and finishing the ends complete, with / without water in the pipe including labour charges, incidental and operational charges etc complete as per standard specifications and as directed by Departmental Engineer. Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 271

filter bed connecting pipe200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 271

Jointing C.I/ D.I-S/S pipes and specials with rubber gaskets (tyton joint) including cost of lubricants. (including cost of jointing materials) Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 262

filter bed connecting pipe200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 262

Testing of M.S. / C.I. / D.I / P.V.C. /D.W,C, pipes with hydraulic testing equipment by filling with water (including cost of water @ Rs. 60/KL) 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 diameters of pipes. Feeder Head 450mm DI K7 Pipe450mm diameter TWAD SOR 2022-23 P.NO 270

filter bed connecting pipe 200mm DI K7 Pipe TWAD SOR 2022-23 P.NO 270

Refilling with excavated sand complying with standard specification for filling in foundation and basementFeeder Head 450mm DI K7 Pipe450mm diameter

Disposal of surplus earth including loading and conveyance within a distance of 5 km (basic cost of earth is zero) including loading charges and Conveyance Charges of 5 kms distance. Feeder Head 450mm DI K7 Pipe450mm diameter

Discharge Chamber (2.0m x 1.20m x 2.0m) : Construction of masonry valve pit as per Type design for Sluice valve valve, Non Return Valve for Earth work excavation, Refilling, Plain Cement Concrete 1:4:8 (one sulphate resistant cement, four sand & eight coarse aggregate), Reinforced Cement Concrete M30, centering, MS or deformed steel bars (upto 16 mm dia) for RCC, FRC Manhole Covers, PVC encapsulated CI steps, Conveyance of excess earth for the following valves includingcharges for precasting and,valves and specials in position,refilling the sidesof the pit etc. complete. and as directed by Corporation Engineers For isolation/Control 450mm dia

For Air Valve 100mm dia

Dewatering using 10.0HP diesel engine pumpset including Hire charges, cost of Diesel, Engine oil, pump operator, labour harges, conveyance of pumpset and fuel to site and back, loading, unloading and any other incidental charges etc., complete.TWAD SOR 2022-23 P.NO 309 Feeder Head 450mm DI K7 Pipe

Plain cement concrete 1:2:4 (one cement,two sand and fouraggregate) using 20mm hard broken stone for foundation and leveling coarse including cost of all materials, mixing,placing, ramming, curing, finishing etc., complete and as directed by dept Officers. (Beyond 1.5 m to 4.5 m below GL) Feeder Head 450mm DI K7 Pipe

Supply and fixing water level indicater including Cost and conveyance etc.completed as per standard specification inculding cost of materials slow sand fillter

Fine Sand media Top layer sand media inculding cost of materilas

Supply delivery of natural Pebbles filter media for Filter bed operation & sedimentary bore well of spherical in shapeand allow even distribution in support bed with good flow.The media should be double washed, screened, kiln driedand classified into various sizes to meet specificationincluding all incidental charges, conveyance, loading &unloading etc., as directed by the TWAD Board officers.(2.0 to 3.0 mm) TWAD SOR 2022-23 P.NO 322 For 1st layer(Size : 5 mm to 20mm)

For 1st layer(Size : 20mm to 70mm)

Telescopic valve DI Telescopic valve to capture surface water. Circular body and obturator, highly functional and low maintenance. Multiple construction materials available. Multiple sealing materials available. Designed for installation in upright position on the water run-off pipe flange.

Butterfly type valve :Supply and fixing of butterfly type valve in Filter inlet, Filter outlet, Filter supernenant and Drain valve etc completed as per standard specification

Supplying and filling in foundation and basement with Well Gravel in layers of not more than 15cm thick well rammed watered and compacted etc., complete complying with standard specification.