CNT/SEW/CRRT/095A/2023-24

Amount

Bill No:1 Strengthening of pumping main of Sathyamoorthy block Pumping Station to Old Nesapakkam SPS

Supply Laying & Jointing 250 mm dia CI S/S pipes (B class) with EDPM rubber gaskets including earth work excavation in hard stiff clay, black cotton, hard red earth, shales, murrum gravel, stoney earth and earth mixed with small size boulders depositing the earth on banks with initial lead of 10m, carting the pipes to the site of work lowering in to the trenches, aligning includng refilling the trenches, disposal of surplus earth etc; complete at an average depth of 1.5m

Supply, conveying and fixing CI specials like Tee, Bends and Tapers as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

250mm D/Soc CI 90 degree Bend

250mm D/Soc CI 45 degree Bend

250mm D/Soc CI 22.5 degree Bend

250mm DN Sluice valve

100mm Double Air valve

100 mm Sluicevalve for air valve

Supply, conveying and fixing CI D/F pipes as per IS:1537 and CI SS/DF specials like Tee, Bends and Tapers as per IS 1538 including earthwork excavation, lowering into the trenches, aligning, refilling the trenches with excavated soil, watering and ramming to consolidation, etc. at any depth.

Specials for 250mm Sluice valve

250 mm F/Spi Tail Piece

250 mm F/Soc Tail Piece

250 mm collars

Specials for 100 mm Air valve

250 mm x 100 mm D/Soc/Fl Tee

Drain crossing

250 mm D/F CI 90 degree bend

250 mm Dia Sluice valve

Construction of 100mm Double Air Valve chamber for 400mm to 500mm dia. Pipeline including providing and fixing FRC cover and frame of size 60 x 60cm of size 1.35 x 1.2 x 2.3m

100 mm Dia Double Air valve

Jointing the CI specials with Rubber gasket

Cutting C.I Pipes

Cutting Asphaltic Road

Non Bus Route

Jointing the double flanged specials with rubber insertion to the required specifications with M.S bolts and nuts, complete.

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

Testing of M.S./C.I./P.V.C./D.I pipes with hydraulic testing equipment by filling with water(including cost of water @ Rs.73/KL) and testing to recommended pressure in convenient stetches and attending the bursts if any occured during the test, excluding the cost of pipes, including other incidental and operational charges, etc., complete for the 250mm dia pipe

Cement concrete 1:2:4 using 20mm gauge hard broken stone jelly for PCC works excluding centering, shuttering, compacting, curing, finishing etc complete.

For Bed Block

Providing thrust blocks with Plain Cement Concrete in 1:3:6 with 40mm HBG for the DI pumping main including the cost of shuttering, compaction, curing etc. complete.

250mm D/Soc CI 90 degree Bend

250mm D/Soc CI 45 degree Bend

250mm D/Soc CI 22.5 degree Bend

Making hole by core cutting/drilling in the existing storm water RCC wall for SWD crossing

Hire charges for diesel pumpset for 5HP- For bailing out water from the existing storm water drain, sub soil water and sewage water

Lighting arrangements 2Nos of focus lights

Thirumalai Enterprises

SRI AMBAL ENTERPRISES