Construction of 180.00 metre span RCC Bridge over Beas River at Sandha in District Mandi (H.P.) under NABARD Project RIDF-XVII

Amount

Earth work in excavation for structures in all depths as per drawing and technical specification clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious materials and disposal in all lead and lift including dressing of sides and bottom and back filling in trenches with excavated suitable materials. All work of rock cutting by blasting shall be carried out by taking all necessary precautions against soil erosion damage to hill side water pollution etc. and to protect stability of hill side rock shall be excavated with chiseling and wedging out rock (where blasting is prohibited). All earth work in cutting/excavation including rock excavation shall be carried out true to lines grades, side slopes, width, camber super elevation and level as shown on the drawings or as directed by the Engineer-in-Charge hauling and stacking of materials useful for construction at suitable sites and safe disposal of unsuitable cut materials in specified manner filling of unevenness blind age and finishing of the road to specified dimension and as per direction by the Engineer-in-Charge.

Providing and laying mechanically mixed and vibrated concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203. Plain cement concrete Grade M-10 including curing and cost of form work complete and carriage of material within all leads, lifts and other incidentals and as per direction by the Engineer-in-Charge.ge..

Providing and laying mechnically mixed and vibrated concrete for plain/reinforced concrete in open foundations complete as per drawings and technical specifications clause 802, 803, 1202 & 1203. Plain cement concrete 1:4:8 (one cement : four sand : eight graded/crushed stone aggregate 40mm (forty millimetre) nominal size) including cost of form work and curing complete within all leads, lifts carriage of material and other incidentials. and as per direction by the Engineer-in-Charge.

Providing and laying mechanically mixed and vibrated concrete for plain / reinforced concrete in open foundations complete as per drawing and technical specification clauses 802, 803, 1202 & 1203. Plain cement concrete nominal mix 1:5:10 (one cement : five sand : ten graded, crushed stone aggregate 40mm (forty millimetre) nominal size) including curing and cost of form work complete and carriage of material within all leads, lifts and other incidentals and as per direction by the Engineer-in-Charge.

Back filling with granular material for road work behind abutment wing wall and return wall complete as per Drawing and technical specifications clause 1206.3. and carriage of material within all leads, lifts and other incidentals and as per direction by the Engineer-in-Charge.

Providing weep hole in brick masonry/ stone masonry / plain reinforced concrete abutment , wing wall, return wall with 100mm dia.(one hundred millimetre diametre) PVC pipe extending through the full width of the structures with slope of 1V:20H (one vertical isto twenty horizontal) towards drawing face complete as per drawing and technical specifications clauses 614,709,1206.6. including carriage of material and other incidentials and as per direction by the Engineer-in-Charge.

Earth filling ( For Marshy soil) in foundation trenches as per Drawing and technical specifications clause 305.3.9 complete within all leads, lifts carriage of material and other incidentials and as per direction by the Engineer-in-Charge.

Rakesh Kumar