GF 24_25Construction of RCC Strom Water Drain with cover Slab to Chinnamman koil street Part_1 West side from Keezhandai Street to Kalavakkam Burial Ground Road in Thiruporur Town Panchayat

Amount

Earth work open excavation and depositing on bank with in the initial lead of 10m and a lift of 2m in hard stiff clay, stiff block cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders etc., as per SS 20 A. TNDSS NO: 23 & 24 VI (S2) VI,VII 9,10 with standard specifications. (I.No.61)

Plain Cement Concrete 1:4:8 (one part of cement, four part of Crushed Stone Sand (M- Sand) and eight part of 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 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 3mm for boarding laid over silver oak joists of size 10cm x 6.50 cm spaced at above 90 cmm centre to centre and supported by casurina props of 10 cm to 13 cm dia spaced at not more than 75 cm centre to centre etc. Complete complying with the 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 content of 325 kg/m3 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 vibratiors, 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 departmental officers. The coarse and fine aggregattes to be used should comply with the requirements of IS standards. (No separate payment will be made by the Department for the excess usage of materials).

supplying fabricating and placing in position of steel rods using M.S. or ribbed Tor steel including cost of binding wire, cost of labour charges for fabrication and placing in position etc. Complete. Complying with std. Specifications.

Supply and fixing of 600mm x 600mm fibre reinforced concrete frame and cover as per type HD-20, IS:12592, part 1 & 2 including the cost and conveyance of all materials to site and labour charges for fixing, laying and curing charges etc. Complete as per standard specification.