construction bridge over kwalta river in tehsil jubbal distt. shimla hp sh construction of wing walls on both side of bridge , excavation in soil in hilly area in all kind of sand by mechanical/manual means including cutting and trimming of side slopes and disposing of excavated earth with a lift upto any lead and lift as per technical specification clause 1603.1 and as per hppwd, specification of 1990 volume-i, or as directed by the engineer-in-charge. , earthwork in excavation for structures as per drawing and technical specifications clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a any lead and lift , dressing of sides and bottom and backfilling in trenches with excavated suitablematerial.useful material available from excavation to be properly stacked and handed over to the department free of cost including all leads and lifts, as per hppwd, specification of 1990 volume-i or as directed by the engineer-in-charge , providing and laying concreteconcrete 1:4:8 (1cement: 4 sand: 8 graded stone aggregate 40mm nominal size) in open foundations complete as per drawing and technical specification clauses 802, 803, 1202 and 1203 including all leads and lifts, as per hppwd, specification of 1990 volume-i or as directed by the engineer-in-charge , construction of dry rubble masonry for retaining wall, breast walls, revetment walls and parapets etc for sub-structure and superstructure complete as per drawing and technical specifications clauses 704.6 and 1203.5 including all leads and lifts, as per hp:pwd, specification of 1990 volume-i, as directed by the engineer-in-charge. , providing and laying of boulder apron laid in wire crates with 4mm (four mili meter) dia g i wire conferming to i s 280 and i s 4826 in 100mmx 100mm mesh voven diagonaly i/c 10% (ten percent) extra for laps and joints laid with stones boulder weighing not less than 25kg each as per drawing and technical specification clause 1301. including carriage of material with in all leads and lifts as perdirection of engineer-in-charge. , providing weapholes in brick masonry / stone masonry /plain reinforced concrete abutment, wing wall, return wall with 100 mm dia pvc pipe extending through the full with of the structures with slop of 1(v):20(h) towards drawing face complete as per drawing and technical specification clauses 614, 709, 1204.3.7 including all leads and lifts, as per hppwd, specification of 1990 volume-i as directed by the engineer-in-charge , backfilling behind abutment, wing wall and return wall complete as per drawings & technical specification clause 1204.3.8 including all leads and lifts, as per hppwd, specification of 1990 volume-i as directed by the engineer-in-charge