CNT/SEW/CRRT/093/2022-23

Amount

Bill No:1 Supplying and Laying of 250mm dia CI Pumping Main

Hire charges of Power driller / Air Compressor for cutting asphaltic road (Non Bus Route)

Supplying CI pipes as per the latest revision of IS 1536, Laying, jointing and testing CI pipes (LA class) of Socket spigot type, including earth work excavation in hard stiff clay, stiff black cotton, hard red earth, shales, muram, 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 of 2m, lowering the pipes into trenches, aligning, making rubber joints, testing CI pipes, refilling the trenches with excavated soil, watering and ramming to consolidation, disposal of surplus earth including timbering the trenches, pumping out sub soil water etc., complete including the cost of jointing materials.

250mm dia C.I pipe (LA Class - IS 1536/2501).@ 1.5m depth

Supplying and fixing of CI specials

250mm dia Mechanical Joint Collar

250mm dia sluice valve

250mm Flanged Spigot tail piece

250mm dia Flanged Socket tail piece

250mm dia 90 Degree D/S Bend

250mm dia 45 Degree D/S Bend

250mm dia 22.5 Degree D/S Bend

250mm dia 90 Degree Duck foot flanged Bend

250mm dia 1m Double-flanged pipe

250mm dia 90 deg D/ flanged Bend

250mm x 250mm dia C.I. A/S Tee

Cutting CI mains (Labour only)

Providing Iron Barricading of size 2.50 m width and 1.75 m height using 40x40x4 mm angle for outer frame supports, 25x 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 "METROWATER" & 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.

Making Rubber joints for C.I./D.I pipes – Labour only

250mm dia

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.60/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 following diametres of pipes.

250mm dia

Connection work to existing main including cutting existing pipe, fixing branches, collars, lead jointing and bailing out water, etc., excluding excavation.

Cutting 250mm to 175mm (10” to 7”) C.I. pipe and fixing 250mm to 50mm (18”to 2”)

Hire charges for diesel pumpset for 7.5HP.

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

250mm 90 deg D/S Bend

250mm 45 deg D/S Bend

250mm 22.5 deg D/S Bend

Disposal of surplus earth

SRI AMBAL ENTERPRISES