bids are invited for repair, maintenance, and installation of plant/ systems/equipments (version 2) - government work; as per scope of work; service provider; providing and erecting temporary barricading at site as per direction eng. in charge during excavation and laying of pipe dismantling of concrete cement type of roads in 3 layers(average approx thicknes 75cm) including stacking of serviceable matrieal and disposal of ubserviceable matrieal from the site work earth work in ordinary soil loam clay or sand with lift upto 1.50 m and lead upto 50 m filling watering and ramming of excavated earth into trenches and disposal of excavated earth upto 50 meter. supply & laying 400 mm dia di k-7 pipe true to alignment in trenches including cartage to site and testing etc complete supply & fixing of special such as bend, tee, for the above pipe line @ 15% of above items. making inter connection including all labour material t&p etc complete. 400mmx110 mm provision for crossing of drains for laying of pipe line including dismantling of drains and reconstruction of the same supply of all materials labour. t&p etc and construction of rcc(1:2:4) thrust block as per design & drawing mild steel for thrust block rcc work brought to required shape as necessary including bending for proper completion of work including supply of steel and wastage site clearance and other unforseen items