tender for 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 15 mm to 40 mm nominal bore. , 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 and ramming of bottoms lift upto 1.5 m, including getting out excavated earth and disposal of surplus excavated earth as directed: , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) 50 mm dia. g.i. pipes , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) 40 mm dia. g.i. pipes , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) 25 mm dia. g.i. pipes , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) 20 mm dia. g.i. pipes , providing and fixing g.i. pipes complete with g.i. fittings excluding trenching and refilling etc. (external work) 15 mm dia. g.i. pipes , laying and fitting of g.i. pipes (all classes) complete excluding cost of pipes, fittings and earth work. 40 mm dia. g.i. pipes , laying and fitting of g.i. pipes (all classes) complete excluding cost of pipes, fittings and earth work. 25 mm dia. g.i. pipes , 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. , providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end)50 mm nominal bore , providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end)40 mm nominal bore , providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end)25 mm nominal bore , providing and fixing gun metal gate valve with c.i. wheel of approved quality (screwed end)20 mm nominal bore , providing and fixing brass bib cock of approved quality. 15 mm nominal bore , providing and placing on terrace (at all floor levels) polyethylene water storage tank isi : 12701 marked, with cover and suitable locking arrangement and making necessary holes for inlet, outlet and overflow pipes but without fittings and the base support for tank , deployment of tank mounted tractor trolley in case of urgency , welding of joints