Construction of UGD Manhole and Sewer line arrangements at ward no 40 Mumoorthy Vinayagar street and South Eruthukara lane junction and providing Rain water harvesting arrangements at 21st street Maruthuvar street in Kcmc

Earthwork excavation of slushy earth for laying of pipes for water supply and sewerage works in hard stiff clay,stiff black cotton,stoney earth and earth mixed withsmall size boulders and hard gravelly soil as directed by departmentel officers

Earth work excavation and depositing on bank with initial lead of 10 M and lift of 2 M in narrow trenches for laying of pipes for water supply and sewerage works in hard stiff clay,stiff black cotton,stoney earth and earth mixed withsmall size boulders and hard gravelly soil as directed by departmentel officers as per SS20B.,

Supplying and Filling in foundation and basement with Filling M-Sand in layers of not more than 15cm thick well rammed,watered consolidated including cost and conveyance of materials and labour charges etc., complete as per Standard Specification and as directed by departmental Engineers(TNBP No.24&25).

Plain Cement concrete of mix 1:4:8 (One cement four sand and eight aggregates) using 40mm gauge hard broken including cost conveyance of all materials to site including labour charges, transporting and placing in position including shoring, strutting forming protective bunds, cofferdams bailing out of water labour for mixing compacting, finishing and curing, working at depths, tools and plants and incidental charges such as sheeting, shoring and bracing and their subsequent removal etc., complete as per standard specification. TNBP NO.28 V,VI S25

Supply and erection of steel centering, shuttering for soffits and sides including necessary supports and strutting for all RCC works using MS sheets of suitable size of BG 10 stiffened with MS angle of size 25 X 25 X 3mm for boarding laid over Silver Oak joists of size 10cm X 6.5cm spaced at 90cm c/c and supported by Casuarina Props 10cm - 13cm spaced at 75cm c/c etc., complete and as directed by , Officers.(Retrieved Materials should be taken back by the contractor.)

Reinforced cement concrete M20 using S.R. cement and 20mm size hard blue granite stone (machine crushed) excluding cost of reinforcement, fabrication and placing the grills in position and excluding cost of shoring and strutting but including curing, finishing and mixing concrete using mechanical mixer machine and compaction by machanical vibrator etc., complete and as directed by TWAD Board Officers.

Supplying fabricating and placing in position of RTS grills at all heights for reinforcement including cost of steel for all works and labour charges including cost of binding wire etc., complete for all RCC works and as directed by TWAD Board Officers.

Supply and fixing of PVC encapsulated CI steps ( 1 No at 30 cm interval ) in the manhole.

F.R.C Manhole frame with cover (60cm dia extra heavy duty )

Benching :- P.C.C 1:2:4 (one cement, two sand and four coarse aggregate) using S.R. cement an20 mm H.B.G stone including mixing concrete, laying, curing and compacting of concrete etc., complete and as directed by the TWAD Board Officers.