Nagapattinam Municipality - 9. Providing Culvert at District collector office back side( Near RTO office)

Amount

Earth work excavation in all parts of soils except hard rock requiring plastering etc. with initial lead and life and as directed by the departmental officers etc., complete as per standard specification SS 20.

Supplying and filling in foundation and basement with filling sand in layers of not more than 15cm.thick well rammed watered and compacted etc., complete complying with standard specification.

Plain Cement Concrete 1:4:8 using 40mm gauge hand broken granite stone jelly for foundation including all cost and conveyance etc. complete as per standard specification

Centering for sofits of RCC slabs of Plane surface like lintels, beams etc., including strutting 3m high using mild steel sheets of size 90cm x 60cm and B.G. 10 stiffened with M.S. angles of size 25mm x 25mm x 3mm laid over silver Oak (CW) joists of size 10cmx 6.5cm (spaced at about 90cm c/c) complying with standard specification.

Plain Cement Concrete 1:2:4 (one cement, two fine aggregates and four coarse aggregates) using 20mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges etc., complete as per standard specification

Providing and laying in position Standardised Concrete Mix M-20 Grade in accordance with IS 456 - 2000 using 20mm and down graded hard broken granite stone jelly for all RCC items of works with minimum cement contenet of 325Kg/ cum and maximum water cement ratio of 0.55 including admixture (Plasticiser / super plasticiser) in recommended proportions as per IS 9103 to accelerate, related setting of concrete, improve workability without imparing strength and durability with about (5.0cum), 7730Kg of 20mm machine crushed stone jelly and with about (3.3 cum), 5156kg of 10 - 12mm machine crushed stone jelly and with about (4.79cum) 7670 kg of Crushed Stone Sand (M- Sand), but excluding cost of reinforcement grill and fabricating charges centering and shuttering but including laying, vibrating with mechanical vibrators, finishing, curing, etc and providing fixtures like fan clamps in the RCC floor / roof slabs wherever necessary without claiming extra cost etc., complete complying with standard specification and as directed by the departmental officers -

Supplying, cutting, bending, tying and fixing in position of M.S (or) RTS Grills for RCC works including cost of steel and blinding wire etc., complete.

GOPALAKRISHNAN (BID ID -1275992)