Repair and Reconstruction of strom water drain at Ellaiamman Koil St to Karumariamman Koil St in ward No 57 in Zone IV in Tambaram City Municipal Corporation.

Amount

Earth Work excavting and depositing on bank with 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 etc completed as per the standard specifications

Supplying and filling in foundation and basement with filling crusher 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 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 1:4 (One Part of Cement and Four part of Plastering Sand (P- Sand)) 20mm thick in all floors including cost and conveyance of all materials to site and labour charges etc, complete complying with standard specifications (S.I.309)

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

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

Dhayalan.V (BID ID -1307826)