Repair and Reconstruction of strom water drain at Middle Street in ward No 52 in Zone IV in Tambaram City Municipal Corporation.

Dismantling the existing Reinforced Cement Concrete including cost and conveyance of all materials and labour charges etc complete

Dismantling the existing Plain Cement Concrete including cost and conveyance of all materials and labour charges etc complete

Desilting of Sand and Silt Under Water (SS20B) Earth workexcavating and depositing on bank with initial lead of 10m & initial lift of 2m in Slush and silt under water upto0.75m depth requiring the aid of basket and vessels (SS20B) etc complete

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 supports and strutting uptp 3.29m height for plane surfaces in all floors with all cross bracings using mild steel sheets of size 90cmx60cm and 10 gauge stiffened, welded with mild steel angles of size 25mmx25x3mm for boarding laid over silver oak (country wood) joist of size 10cmx6.5cm dia spaced about 90cm centre to centre and supported by casuarina props of 10cm to 13cm dia spaced at 75cm centre tocentre etc.complete complying with standard specification and as directed by the departmental engineers. TNBP No.30

Plastering with cement mortar (1:5) 12mm thick in all floor including cost and conveyance of all materials to site and labour etc complete.

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

Manufacturing, supplying and fixing Precast Reinforced Cement Concrete slabs of 150mm thickness in RCC M20 concrete using following HBGS jelly excluding cost of reinforcement steel in position but including cost of moulding charges, casting of slab, finishing, curing and fixing in position in all floors etc., complete complying with standard specification and as directed.

Removal of excavated excess earth including conveyance charges and all labour charges for filling etc complete