Construction of 2 Lane with paved shoulder of Hamirpur bypass of New NH103 and NH03 Design Chainage Km 121175 to Km 138295 Design length 17120 Km in the State of Himachal Pradesh under NH O One time Improvement estimate for strengthening Maint 1

As per description below

Excavation in earth work in hillly area in all heights and depths in all kind of soil manual/mechanical means including saturated sol comprising of mixed soil, ordinary rock, and hard rock. All work of rock cutting by blasting shall be carried out by taking all nesessary precautions against soil erosin, damage to hill side, water pollution, etc.and to protect stability of hill side track shall be excavated with chiselling and wedging out of rock (where blasting is prohibited) all earth work in cutting/excavation including rock excavation shall be carried out true to the required line,grades, side slopes, width, camber, super elevation and level as shown on the drawing or as directed by Engineer in Charge in confirm it with the requirement of technical specifications for rural road clauses 1603.1 and 1603.2 of general conditions for contract to achieve designed formation width including hauling and stacking of material useful for construction at suitable sites and safe disposal and dumping to be arranged by the contractor of unsuitable cut materials in specified manners trimming filling of unevevnness, blindage and finishing of the road to specified diamensions or as directed by the Engineer in Charge for smooth riding The recovery for stones, whether useful or not for 17.63 cum (Seventeen point six three) cubic meter in all cases, @ Rs.350/-(three hundreds and fiftyjonly per cum shall be effected on pro rata basis. Any loss to the public and private property during the course of excavation shall be the abosilute reponsibility of the contractor, which shall have to duly compensated by him in all cases

Earth work in excavation for foundation of structure as per drawing and technical specification clause 305.1 including setting out, costruction of shoring and bracing,removal of stumps and other deleterious material and disposal upto a lead of 50 metres (fifty metres),dressing of sides and bottam and back filling trenches with excavated suitable material Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Plain Cement Concrete M-15 (M- fifteen) nominal mix in foundation with crushed stone aggregate nominal size mechanically mixed, placed in foundation and compacted by vibration including curing for 14 days (fourteen days). Form work with steel plates to give a fair finish centring shuttering, strutting propping and removal of the same Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Stone masonry work in cement mortar 1:3 for substructure complete as per drawing and technical specifications: Random Rubble Masonry.including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm(One hundred millimetre) dia PVC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Laying Reinforced cement concrete pipe NP4/prestressed concrete pipe for culverts on first class bedding of granular material in single row including fixing collar with cement mortar 1:2(One Cement : two sand) but excluding excavation, protection works, backfilling, concrete and masonry works in head walls and parapets Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Providing and laying of filter media with granular materials/stone crushed aggregates satisfying the requirements laid down in clause 2504.2.2. of MoRTH specifications to a thickness of not less than 600 mm(Six hundred millimetre) with smaller size towards the soil and bigger size towards the wall and provided over the entire surface behind abutment, wing wall and return wall to the full height compacted to a firm condition Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Scarifying the existing bituminous surface to a depth of 50 mm(fifty millimetre) thick and disposal of scarified material within all lifts and leads upto 1000 metres (One thousand metres) Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.

Providing and applying tack coat with bitumen emulsion ( RS-1) using emulsion distributor @ 0.25 to 0.30 kg per sqm (zero point two four to zero point thre zero kilogramme per square metre) on the prepared granular surfaces treated with primer and cleaned with hydraulic broom as per Technical specification Clause 503 Complete in all respects including carriage of materials, labour, machinery/ equipment required to complete the job with in all lead, lifts and other incidentals as per the direction of Engineer-in-Charge.