CNT/WSS/DEP/3579/2023-24

Amount

Shifting of 600mm dia water feeder main for a length of 510m and 100mm dia distribution main for a length of 160m in the western side of Railway track in the Railways land in lieu of construction of Road Under Bridge at LC-4 near Anna Nagar, Glass factory road in Depot-07, Area-I

Cutting asphalitc concrete road

Non bus route

Supplying and Laying D.I. K7 pipes including earthwork excavation for trenches in hard stiff clay, stiff black cotton, hard red earth, shales, murams, gravel, stoney earth and earth mixed with small size boulders and hard gravelly soil, depositing the earth on banks with initial lead of 10m and lift 2.00m carting of pipes from any of the Board’s stores to the site of work, lowering into trenches and aligning, refilling the trenches with excavated soil, watering and ramming to consolidationet., complete for the pipes of dia meter .(Including backfilling). as per schedule.

100mm Ø Pipes at 2 m depth. ( Left & Right )

600mm Ø Pipes at 2.0 m depth.

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25 x 25 x 3 mm angle for inner frame supports and 20 gauge thickness MS sheet for name board (as per drawing) including cutting, welding, fabrication charges and one coat of primer and 2 coats of enamel paint of approved quality, writing "METRO WATER" & work detail/ caution sign, providing necessary interlocking arrangements with adjoining units, fixing danger flags, danger lights, reflectors, fixing stickers etc, including watching during night and placing the barricading units as directed at the sites

Supplying conveyance and fixing of the following specials IS 9523 / 2000

100 mm Ø all Flanged Tee

100 mm Ø 90 degree bend

100 mm Ø End cap

100 mm dia MJ collar

600 mm dia 90 bend

600 mm dia MJ collar

Cutting D.I. mains

100 mm dai pipe

600mm Ø Pipes

Making Rubber joints

100mm Ø Pipes

600mm Ø Pipes

Inter connection

Excavation in hard stiff clay, stiff black cotton, hard red earth, shales, muram, gravel stoney earth and earth mixed with small size boulders as per SS 20B with initial

Refilling with excavated soils (other than sand) complying with standard specifications for filling in foundations and basement

Hire charges for diesel pumpset 7.5HP with fuel and operator charges including transportation.

Construction of thrust blocks using Cement Concrete 1:3:6 ,40mm B.G.jelly for Plain Cement Concrete for at 2.0 m depth.

Testing of D.I.pipes with hydrulic testing equipment by fillling with water and testing to recommended pressure in convenient sretches and attending the bursts if any occurred during the test, excluding the cost of pipes, including other incidental and operational charges,etc., complete.

100mm Ø Pipes at 2 m depth. ( Left & Right )

600mm Ø Pipes at 2.0 m depth.

Hire Charges and running charges for crane 20 tonne capacity

Hire Charges for DG sets 20 KVA for uninterrupted power supply to carry out work such as power breaking, lighting arrangements, dewatering, etc.

Operating of DG sets uninterrupted power supply to carry out work such as power breaking, lighting arrangements, dewatering, etc.

Supply, delivery at site, conveying and fixing the CI sluice valves (PN 1.0) of following sizes confirming to IS: 14846/2000 including Flanged socket and Flanged spicot tail pieces, loading,unloading, Transportation charges and stacking etc complete as per specifications.

Construction of Sluice Valve Chamber of following sizes in second class brick work in CM 1:4 proportion with 12 mm thick outside plastering and 20mm thick inside plastering in CM 1:3 proportion, RCC cover slab in CC 1:2:4 proportion using 20 mm BG jelly, chamber foundation and bed block in PCC 1:3:6 proportion using 40 mm BG jelly including cost of reinforcement and labour charges, CI steps, etc. as per drawing including providing and fixing L.S. cover and frame of size 60cm x 60cm including necessary masonry work and plastering etc., complete.

450 to 600 mm dia

Suppling and laying of MDPE(PE) blue pipe (IS:4427) with necessary specials including earth work excavation laying jointing ,testing and refilling the trenches including disposal of earth etc.complete

20mm dia O.D(PN-16)

Sub Total ( excluding GST )

E.VENKATESAN