Details: 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 leadas per direction of engineer-in-charge :above 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 asdirected: all kinds of soil filling available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20 cm in depth, consolidating each depositedlayer by ramming and watering, lead upto 50 m and lift upto 1.5 m. l/f of gi pipes ( all classes) complete excl.cost of pipe fittings and earthwork:100 to 150 mm dia gi pipe providing/installation of