Details: earthwork excavation for foundation in all soils and sub soils in hard stiff clay, stiff black cotton, hard red earth, shales, murram, gravel, stoney earth and earth mixed with small size boulders and to full depth as may be directed,except in hard rock,requiring blasting including shoring and shuttering and bailing out of water wherever necessary,refilling the sides of foundation with excavated earth or sand in layer of not more than 15cm thick.well rammed and consolidated and depositing on bank with initial lead and lift of 10m & initial lift of 2m and depositing the surplusr earth within the compound in places shown by the departmental officers with iniital lead and lifts,clearing and levelling the site etc., complete as per ss20b and as directed by departmental engineers(tnbp no.17,23,24). plain cement concrete 1:4:8 mix (one part of cement, four part of fine aggregate and eight part of coarse aggregate) using 40mm iss hbg metal for foundation and basement including dewatering
Sector: RDPR