tender for earth work excavation for foundation in hard stiff clay, stiff black cotton, hard red earth, shales murram, gravel,stoney earth and earth mixed with small size boulders ss.20b and sand, silt or other loose soil, wet sand,or silt not under water, light black cotton soil, sandy loam ordinary soil and to full depth as may be directed except in hardrock requiring blasting inclusive of shoring shuttering and baling out water and cleaning and levelling the site etc.,complete 10 cum , cement concrete - m7.5 (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 , vibrated cement concrete of grade m15 (nominal mix) using 20mm iss size hbg metal including cost and conveyance of all materials to site and cost cement at site including cost of formwork, soft water, labour charges for mixing, transporting, laying and curing concrete, working at depths hire charges for tools and plants and incidental charges etc., complete as per relevent standard specification for drain side walls