tender for earth work in excavation by manual means in trenches for foundations, drains, pipes, cables etc. (not exceeding 1.5 m in width) and for shafts, wells, cesspits and the like not exceeding 10 sqm on plan, including dressing of sides andramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavatedearth as directed: all kinds of soil. , providing and laying in position cement concrete of specified grade including curing but excluding the cost of centering and shuttering. all work upto plinth level in 1:3:6 (1 cement: 3 coarse sand : 6 graded stone aggregate 20mm nominal size) (using crushed stone agg.) , filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each deposited layer by ramming and watering, lead upto 50 m and lift upto 1.5 m. , dismantling g.i. pipes (external work) including excavation and refilling trenches after taking out the pipes, manually/by mechanical means including stacking of pipes within 50 meters lead as per direction of engineer-in-charge : above 40 mm nominal bore , laying & fitting of g.i pipes(all classes) complete excluding cost of pipes, fittings and earth work 80 mm dia , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) (80mm dia) , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) (65mm dia) , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) (50mm dia) , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) (40mm dia) , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) (15mm dia) , providing and fixing brass bib cock of approved quality 15 mm nominal bore. , taking out