Construction of 1,00,000 Litre Capacity Over Head Tank (OHT) with 7.50m Staging Height at Kurumpanai in Simoncolony Panchayat

Earth work excavation and depositing on bank with in initial lead of 10 m and initial lift of 2m in hard stiff clay, stiff black cotton soil, hard red earth, earth mixed with small sized boulders and hard gravelly soil as per SS 20B.

I Depth

II Depth

Supply and delivery of filling of river sand in layer of not more than 15 cm thick including watering with all layers and consolidation complying with standard specification including cost and conveyance of sand to site and all labour charges and all other incidential charges etc. complete as per standard specification TNDSS No.24 & 25 NBC part VI (S2) 8

Cement concrete of mix 1:4:8 (one cement four sand and eight aggregates) using 40 mm gauge machine broken granite stone jelly for foundation including de watering if found necessary and laid in layers of not more than 15 cm thick well rammed and consolidated etc complying with standard specification. TNDSS No.28 V, VI S25.

Reinforcement Cement concrete 1:1½:3 (one cement one and a half sand and three aggregates) using machine broken granite jelly of 20 mm size for all reinforced cement concrete works excluding cost of centering shuttering strutting and also cost of reinforcement grill in position but including laying vibrating with mechanical vibrators using finishing etc complete, as directed by the departmental officers etc complete complying with standard specification.

For Items 1.5 m to 4.5 m below GL

Items to 0 to 1.5 m below GL

For items 0 to 4.5 m above GL