Special Repairs to Toe drain of Vembakottai Reservoir from L.S. 1600m to 2250m in Vembakottai Taluk of Virudhunagar Distric

Clearing Juliflora jungle without uprooting and disposing of the same as directed by the engineer in charge of the works as per technical specification

ORDINARY SOIL (SS20 B) Earthwork excavating and depositing on bank with initial lead of 10 & initial lift of 2m in sand, silt and other loose soil, wet sand or silt not under water, light black cotton soil, sandy loam and ordinary soil including excavated earth complete complying with standard specification and as directed by the departmental officers.

Earth work Excavaction for foundation in hard stiff clay,stiff black cotton soil, Hard red earth, shales, murrams, gravel, stoney earth and earth mixed small size blouders and hard grvelly soil depositing on bank including shoring strutting and bailing out water wherever necessary, well rammed consolidated and deposting the surplus earth in places as shown by the depar tmental offices with an initial lead of 10metres and initial left of 2 metres and clearing, levelling the site etc., complying with standard specification and as directed by the departmental officers.

Providing and placing Plain Cement Concrete M 10 grade using well graded aggregates of nominal maximum size of 40mm and downgraded to I.S specified grading ( To achieve the specified charaterstics strength of 10N/mm² in 28 days ) and mixing the ingredients in approved mixer including dewatering of the placement site by bailling / pumping and diverting water wherever necessary, placing concrete in layers, watering, curing, finishing the surface with all leads and lifts as applicable etc., complete as directed by the Engineer in charge of works and as per the technical specifications.

Supplying and erecting water tight steel centering for sides and soffits including necessary supports and shuttering including strutting for retaining wall and all RCC works such as column, footing, plinth beam, etc., upto 3.29m height and all cross bracings using mild steel BG 10 sheets of size 90cm x 60cm gauge stiffeded with welded mild steel angles of size 25x25x3mm for boarding laid over silver oak ( country wood ) joits of size 10x6.5cm spaced at about 90cm centre to centre and suitably supported by casurina props of 10cm to 13cm dia spaced at 75cm centre to centre including cost of materials etc., complete complying with standard specification as directed by the departmental officers the payment for centering shall be given after the concrete is laid and the retrived materials should be taken back the contractor.(With Strutting)

Providing and placing Plain Cement concrete M 15 grade using crusher broken hard coarse aggregate (well graded) of nominal maximum size of 20mm and downgraded to I.S specified grading (To achieve the specified characteristic strength of 15N/mm2 in 28 days) and mixing the ingredients in approved mixer including dewatering of the placement site by baling / pumping and diverting wherever necessary, placing concrete in layers and vibrating, water curing, finishing the surface with all leads and lifts etc., complete as directed by the Engineer in charge of works and as per the technical specifications.

GST 18% in Figures