Construction of SWD at Nehru Street And Anthoniyar Street in ward no.18

Amount

Earth work excavation for foundation in Hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders SS.20B and Sand,silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering, ,and baling out water and cleaning and levelling the site etc.,complete

Supplying and filling in foundation and basement with filling stone dust 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 (one cement four sand 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 erecting steel sheet centering shuttering upto 3.30 m. height including necessary support for plain surfaces for all RCC works in grade beam, beam, slab, waist slab, column, sunshade etc. using MS sheet of size 90cm x 60cm 10 gauge and stiffened with welded mild steel angle of size 25mm x 25mm x 3mm for boarding laid silver oak joist of size 10 cm x 6.5 cm spaced at about 90cm center to center and supported by casurina propes 10 cm to 13 cm dia spaced 75cm center to center complete. Beam and slab etc. complying with standard specification

Suppling and fabricating and placing in position MS (or) R.T.S. bar for reinforcement to all RCC works as per the design given including cost of steel and binding wire also in all floors.

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 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 staandards. (No separate payment will be made by the Department for the excess usage of materials)

Removal of excess earth 2km away from site using tipper lorries including loading and inloading charges and all labour charges as instructed by the Departmental Offices etc,complete as per standard specifications .

M Karthik (BID ID -1290995)