Constuction of Infiltration well at Quidea millath street Cheyyar River and Providing Motor with Pipe line in Chengam Town Panchayat under 15th Finance commission

Amount

Earthwork excavation above Water Level in light or sandy or clayey soil for infiltration well of 4.50 m dia (Internal) including levelling the site with an initial lead of 10m and as directed by the departmental officers - Excavation for Infiltration well for first depth of 2.00 m SOR.2022-23 (Area=3.14x7.00 2 )/4 =38.50 m 2

R.C.C M 30 Design mix using 20 mm and 10mm size H. B.G stone (machine crushed) including mixing concrete using mechanical mixer machine and vibrating with mechanical vibrator, but excluding cost of steel reinforcement, fabrication and placing the grills in postion and the cost of centering and strutting but including curing, finishing etc., complete as directed by the Department Officers.

Sinking of infiltration well of 4.50 m internal dia below water level including all incidental charges using special tools and plants such as air compressor, helmet etc., complete including bailing out water below pilasters level (SOR-2022-23)

I depth of 2 m

II depth of 2 m

Porous Concrete CC 1:4 (one cement ,four hard broken granite jelly of size 20mm) for steining of infiltration well excluding cost of centering but including curing etc complete and as directed by the Department Officers

Providing steel centering for plain surfaces including strutting upto 3.29 metre high using MS sheets, 10 gauge thick of size 90 cm x 60 cm, stiffened with Ms angles of size 25 mm x 25 mm x 3 mm laid over silver oak joists of size 10 cm x 6.5 cm spaced at 90 cm c/c and supported by caserne props of 10 cm to 13 cm diametre spaced at 75 cm c/c and removing the centering and shuttering after specified period without damaging the concrete laid, complying with standard specification and as directed by the Engineer.

For curved surface

Supply, delivery fabrication and placing in position of RTS rods for reinforcement for binding ring, pilasters, roof slab and well curb including cost of binding wire and as directed by Department officers.

RTS Rod