Estimate for Additional work for Urban Primary healthcare center in Thatchanallur Zone

Earthwork excavating and depositng on bank withan initial lead of 10m & initial lift of 2m in sand, silt (or) other loose soil, wet sand( or) silt not under water, light black cotton soil sandy loam and ordinary soil including excavated earth as standard specification SS20 B including refilling charges asper standard specification ( For Building work)

Plain Cement Concrete 1:4:8 (one cement four fine aggregates and eight coarse aggregates) using 40mm size ISS HBG metal including cost and conveyance of all materials to site and including for the mixing, laying and labour charges and all incidential charges such as water providing etc., complete as per standard specification

Supplying and filling with Well Gravel / Well Morumbu for foundation and beasement including cost and conveyance of all materials and consolidation with water, ramming etc., complete asper standard specification.

Centering for soffits of RCC slabs of plane surface like lintels, beams ,etc.,including strutting 3m high using mild steel sheets of size 90cm X 60cm X and B.G 10 stiffened with M.S angles of size 25mm X 25mm X 3mm laid over silver Oak (C.W) joists of size 10cm X 6.5cm (spaced at about 90cm c/c )and supported dy casurina props of 10cm to 13cm dia (spaced of 75cm C/C) complying with standard specification and directed - 10 m 2 (P & D)Data 38

For Column

For Slab & Beam

Supplying, fabricating and placing in it position MS or RTS rod including the cost and conveyance steel and binding wire and labour charges for cutting, bending, placing and tying with grills etc. complete as per satndard specification

Providing and laying in position Standardised Concrete Mix M-25 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 350Kg/ 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 - The Coarse and Fine aggregates to be used should comply with the requiremnents of IS standards.

Second Floor

Brick work using Country Bricks of size 8-3/4" x 4-1/4" X2-3/4"" in Cement Mortar 1:5 (One cement and five crushed stone sand) including curing neat finishing, etc., complete complying with standard specifiction.