NHIDCL/RO/A N/R C/FY 2025 26/08

Clearing jungle including uprooting of rank vegetation, grass, brush wood, trees and saplings of girth up to 30 cm measured at a height of 1 m above ground level and removal of rubbish up to a distance of 50 m outside the periphery of the area cleared.

Cleaning of Culvert and Drain: Labour (Coolie) 8 labour 30 days

Construction of Top Layer and base layer of Hard Shoulder with Granular Sub-Base:Construction of granular sub-base by providing close graded Material conforming to specifications, mixing in a mechanical mix plant at OMC, carriage of mixed material by tippers to work site, for all leads & lifts, spreading in uniform layers of specified thickness with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per pecifications anddirections of Engineer-in-Charge.

Cement treated Base (CTB) Providing, laying, Spreading and Compacting graded stone aggregate mixed with Cement to crushed stone treated base specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layer with paver in sub base /base course on well prepared surface and compacting with vibratory Roller to achieved the desired density.

Prime Coat:Details of cost for 100 sqm.Providing and applying Prime coat using hot straight run bitumen of grade VG - 10,including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications .On WBM,WMM,CTB. @ 0.75 Kg / sqm

Tack Coat:Providing and applying tack coat using bitumen emulsion conforming to IS:8887, using emulsion pressure distributer including preparing the surface & cleaning with mechanical broom On W.B.M/W.M.M. @ 0.4kg/sqm

Bituminous Concrete:Providing and laying Bituminous concrete using crushed stone aggregates of specified grading, premixed with bituminous binder and filler, transporting the hot mix to work site by tippers, laying with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction and density as per specification, complete and as per directions of Engineer-in-Charge.

Providing and laying of fog seal over a cracked road surface, with crack greater than 0.25 inch (6mm) after cleaning with a mechanical broom, using modified fog seal ashphalt distributor complying with AASHTO TSP-2, sprayed at the rate of 0.05 to 15 gl/squre yard and spreading blotter stone aggregates @ (1-3) lb/square yard, sweeping the surface for uniform spread of aggregates and surface finished to conform to AASHTO MP 33-17

Providing and laying of a stress absorbing membrane (SAMI) over a cracked road surface, with crack width 6 to 9 mm after cleaning with a mechanical broom, using modified binder complying with clause 521, sprayed at the rate of 11 kg per 10 sqm and spreading 11.2 mm crushed stone aggregates @ 0.12 cum per 10 sqm, sweeping the surface for uniform spread of aggregates and surface finished to conform to clause 902.

Loosening of the grond upto a level of 270mm below the existing level, watered, graded and compacted in layers to meet requirement of table 300-2 for sub-grade construction.

Earth work in excavation of foundation of structures as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom and backfilling with approved material. Excavation of ordinary soil for Structures upto 3m

PCC M15 Grade leveling course below retaining wall complete as per drawing and Technical specification and as per relevant clauses ofsection 1700.

RCC M-30 retaining wall Reinforced cement concrete (Grade of concrere M 30) including reinforcement and formwork complete as per drawing and Technical specification and as per relevant clauses of section 1500, 1600, 1700 and clause 2704 of specifications.

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 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 as per drawing and technical specification.

HYSD bar reinforcement in foundation complete Supplying, fitting and placing un-coated HYSD bar reinforcement in foundation complete as per drawing and technical specifications and as per relevant clauses of section 1600.

Centering, Shuttering & Deshuttering-wall