Construction of RCC Open Storm Water Drain from 24th Cross Road to NHAI Road via M/s.Winomechanic Private Ltd in SIPCOT Industrial Park, Gummidipoondi

Earth work open excavation for foundation in all classes of soils and sub-soils and to full depth as may be directed except in hard rock requiring blasting inclusive of shoring shuttering, bailing out water wherever necessary and depositing the surplus earth within the compound in places shown by the SIPCOTofficers with an initial lead of 10 mts and initial lift of 2 mts, clearing and levelling the site, etc., complete complying with standard specification and as directed by SIPCOT officers.

Supplying and filling in foundation with filling stone dust in layers of not more than 15 cm thick well watered, rammed and consolidated etc., complete complying with standard specification and as directed by SIPCOT officers.

Providing and laying Plain Cement Concrete mix 1:4:8 (One cement, Four M.sand and Eight aggregates) for foundation using 40mm ISS size HBG stone jelly for foundation including dewatering if found necessary and laid in layers of not more than 15cm thick well rammed consolidated and curing etc, complete complying with Standard specification including cost and conveyance of all materials to site and as directed by SIPCOT Officers.

Supplying and erecting centering for sides and soffits including necessary supports and strutting upto 3.29 M height for plane surfaces as detailed below in all floors with all cross bracings using Mild Steel sheets of size 90 x 60 cm and 10 BG stiffened with welded Mild Steel angle of size 25mm x 25mm x 3 mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at abote 90 cm centre to centre and supported by casurina props of 10cm to 13 cm dia spaced at not more than 75 cm centre to centre etc., Complete complying with standard specification and as directed by SIPCOT Officers. (Below Plinth Vertical Surface)

Supplying, Fabricating and placing in position steel reinforcement grills using M.S. / R.T.S. rods (Fe415 D) of all sizes of reinforcement for all Reinforced cement concrete works (for pedestal pillar concrete) including cost and conveyance of steel, binding wire,spacer bars, cover blocks, labour charges for unbending of rods, straighteing, cutting, fabricating, tying, lifting, placing in position, overlaping to the required length whereever necessary cover blocks and all other incidental charges etc. complete complying with standard specifications and as directed by SIPCOT officers.

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 content of 325 kg/mᶾ and maximum water cement ratio of 0.55, including admixture (plasticiser / super plasticiser) in recommended proportions as per IS:9103 to accelerate, retard setting of concrete, improve workability without impairing strength and durability with about (5 cu.m.) 7730 kg. of 20mm machine crushed stone jelly and with about (3.3 cu.m.) 5156 kg. of 10-12mm machine crushed stone jelly and with about (4.79 cu.m.) 7670 kg. of sand, but excluding cost of reinforcement grill and fabricating charges, centering and shuttering and also 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, etc., complete complying with standard specification and as directed by the SIPCOT officers. The coarse and fine aggregates to be used should comply with the requirements of IS Standards.

Added GST of 18%