CNT/SEW/CRRT/PHASEI/054A/22-23

Amount

Cutting asphaltic road surface in Non bus route

Cutting asphaltic road surface in bus route

Supplying and laying CI pipe (A Class) as per IS 1536/2001 including earth work excavation for trenches in hard stiff clay, block cotton, hand red earth, shales, murams, gravels stoney earth and earth mixed with small size boulders and hard gravelly soils depositing the earth on banks with initial lead 10m and lift 2m, carting of pipes from any of board stores to the site of work lowering into trenches, aligning, refilling the trenches with excavated soil,watering and ramming to consolidation etc

400 mm dia at an 1.5m depth

Cutting of CI pipe

400 mm dia

400 mm DS 900 bend

400 mm DS 22.50 bend

400 mm MJ collar

100 mm dia S V as per IS 14846/2000 PN 1 wth ISI marking

100 mm double Air valve as per IS 14845/2000

400x400x100 DS on FL tee

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 CI/DI pipes with hydraulic testing equipment by filling with water and testing to recommended pressure in concerned stretches and attending the burst if any occured during excluding cost of pipe, but including other incidental charges etc;

400 mm dia pipes

Jointing the CI specials with molten lead and yarn including caulking the joints and testing to the required pressure with water. (Including cost of Jointing materials)

400 mm DS Bend

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

Construction air valve chamber for 100mm dia air valve

Construction of thrust block using cement concrete1:3:6 ,40 mm dia BG Jelly for PCC chamber for 300 mm dia

400 mm dia 900 bend

400 mm dia 22.50 bend

Connection work to existing main including cutting existing pipe, fixing branches, collars, lead jointing and bailing out water, etc., excluding excavation.Cutting 450mm to 300mm (18” to 12”) C.I. pipe and fixing 450mm to 50mm (18” to 2”)

Supply and fixing of 400 mm dia Ms Specials in the proposed force main with epoxy coating at out side and FRP coating at inside

Bailing out sub-soil water by using 7.5 HP diesel pumpset including cost of fuel and operator, conveying and fixing etc. Complete

Replacment of utilities(pvc pipe - 6 ksc) damaged during earthwork excavation including cost of additional earthwork excavation in all soil strata,including supply delivering of pvc pipe coplers,jointing materials and required specials cutting conveying laying jointing and refilling ect complete and as directed by Engineer incharge 110mm pipe

Replacment of utilities(pvc pipe - 10 ksc) damaged during earthwork excavation including cost of additional earthwork excavation in all soil strata,including supply delivering of pvc pipe coplers,jointing materials and required specials cutting conveying laying jointing and refilling ect complete and as directed by Engineer incharge 20mm pipe

V.Subbiah