tender for excavation by mechanical means(jcb or hydraulic excavator) in trenches for pipe lines with straight or open cutting in streets or open area including dressing sides levelling of beds of trenches to correct grade, cutting joint holes, refilling consolidation, including the cost of diversion for traffic, crossing over trenches for access to the houses, watching, fencing, etc. and removal of surplus soil out side/inside the town involving lead upto 15 meter complete in all respect. , earth work in excavation in foundations trenches etc. in all kinds of soil where pick-jumper work is not involved and not exceeding 2.0 metres depth including dressing of bottom and sides of trenches, stacking the excavated soil clear from the edge of excavation and subsequent filling around masonry in 15 cm, layers with compaction including disposal of all surplus soil as directed within lead of 30 metres. , first class brick masonary 229 mm thick laid in cement sand mortar 1.6 in foundation and plinth including supply recarriage of bricks cement. , 10mm thick cement plaster 1.4 on sides walls , 10mm thick cement plaster 1:4 on bed and top. , reinforced cement concrete 1:2:4 hand mixed but including steel reinforcement , cement conc.1:2:4 including supply, carriage & with stone ballast or shingle , cement concrete 1:4:8 with brick ballast 40mm gauge , lowering, jointing of upvc pipes 355 mm dia laying same to correct gradient and alignment and jointing ends in all depths complete in all respect. , providing and fixing elbow/bends of 90 degree 6kg/cm2 pressure as per is 4985 i/c testing commisioning and complete in all respect to the specification of engineer in charge , wrought iron and mild steel ladders, framed grills, grating etc. complete fixed in position in d-tank , providing & fixing m.s. foot rests made of 23x25 mm square bar including fixing in haudis complete with cement concrete 1:2:4 , providing and fixing of alfa valve fitted on riser pipe to act as nakka (d regulators) , centreing & shuttering for concerte faces , providing & fixing of steel shutter gate assembly in main pipeline complete in all respect , dismantling of brick work in cement , (carriage) for pvc/hdpe pipes all sizes (truck load 2.20 tonnes) (goraya rest house exculding loading and unloading) , providing & fixing double air valve isi marked as per is-14845 including jointing all carriages complete .c.i double air valve (size 140mm) , providing and fixing equal tee of 6kg/cm2 pressure as per is 4985 i/c testing commisioning and complete in all respect to the specification of engineer in charge , providing and fixing unequal tee/ reducer bush 355 x140 mm of 6kg/cm2 pressure as per is 4985 i/c testing commisioning and complete in all respect to the specification of engineer in charge , providing and fixing tail end piece 355 mm of 6 kg/cm2 pressure as per is 4985 i/c testing commisioning complete in all respect to the satisfaction of engineer in charge , supply and installation of anti theft mechanism for alfa valve of size 355 mm , providing & fixing c.i/d.i flanged end, stem of ss (ais 1410) and bronze(gunmetal) working parts sluice valves (250mm) isi marked 14846-2000, including jointing , testing & cost of nut ,bolt & insertion sheet, all carriage complete (with the approval of engineer in-charge). b) class pn-1.6 as per isi , providing and fixing elbow/bends of 45 degree 6kg/cm2 pressure as per is 4985 i/c testing commisioning and complete in all respect to the specification of engineer in charge , lowering, jointing and cutting of upvc pipe 140mm dia for vent pipe in trenches and laying same to correct alignment