NHIDCL/RO/AN/RC/2025 26/11

Cement Treated Base (CTB) as per clause 403 and table 400.4 of MoRT&H in Sub base/ Base, 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. Thickness 200 mm.

Prime Coat: 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. 40 mm compacted thickness with bitumen of grade VG-40 @ 6 % (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

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.

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. (For Existing Stabilized Layer-200MM, 50 mm BC & Sami)

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.

Construction of Top 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. With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30. thickness 100 mm.

Construction of Sub base Layer 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. With material conforming to Grade-I (size range 75 mm to 0.075 mm) having CBR Value-30. thickness 150mm

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. Thickness 200 mm.

Prime Coat :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. 40/50 mm compacted thickness with bitumen of grade VG-40 @ 6 % (percentage by weight of total mix) and lime filler @ 3% (percentage by weight of Aggregate) prepared in Batch Type Hot Mix Plant of 100-120 TPH capacity.

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. thickness 10mm.

Dismantling manually/ by mechanical means including stacking of serviceable material and disposal of unserviceable material within 50 metres lead as per direction of Engineer-in-charge. (For Existing Stabilized Layer-200MM & 50 BC & Sami)

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

Retaining wall: 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.

Retaining wall: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.

Filling Available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto1.5m (for structure work back filling)

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

Providing and laying of PVC Pipe (weepholes) U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe

Breast wall :Filling Available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto1.5m (for structure work back filling)

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

Breast wall :Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of cantering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Concrete of M20 grade with minimum cement content of 270 kg /cum

Breast wall :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.

Centering, Shuttering & Deshuttering-wall

Providing and laying of PVC Pipe (weepholes) U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe

Lined drain : Filling Available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto1.5m (for structure work back filling)

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

Lined drain : Providing and laying in position ready mixed or site batched design mix cement concrete for plain cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana/Ordinary Portland/Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of cantering, shuttering and finishing as per direction of the engineer-in-charge; for the following grades of concrete. Concrete of M20 grade with minimum cement content of 270 kg /cum

Centering, Shuttering & Deshuttering-wall

RCC Drain: Filling Available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto1.5m (for structure work back filling)

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

RCC Drain: RCC M-30 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.

RCC Drain: 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

Providing and laying of PVC Pipe (weepholes) U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe

Box Culvert: Filling Available excavated earth (excluding rock) in trenches, plinth, sides of foundations etc. in layers not exceeding 20cm in depth, consolidating each deposited layer by ramming and watering lead upto 50m and lift upto1.5m (for structure work back filling)

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

Box Culvert: Providing and laying in position ready mixed or site batched design mix cement concrete for reinforced cement concrete work; using coarse aggregate and fine aggregate derived from natural sources, Portland Pozzolana / Ordinary Portland /Portland Slag cement, admixtures in recommended proportions as per IS: 9103 to accelerate / retard setting of concrete, to improve durability and workability without impairing strength; including pumping of concrete to site of laying, curing, carriage for all leads; but excluding the cost of centering, shuttering, finishing and reinforcement as per direction of the engineer-in-charge; for the following grades of concrete. Concrete of M35 grade with minimum cement content of 370 kg /cum

Box Culvert: Dry stone pitching 22.5 cm thick laid in courses and required profile with hammer dressed stones having no side less than 15 cm, with minimum depth of 20 cm including preparing the bedding surface etc. all complete. .

Centering, Shuttering & Deshuttering-wall

Box Culvert: 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.

Box Culvert: 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.

Box Culvert: Providing and laying of PVC Pipe (weepholes) U-PVC pipes (working pressure 4 kg / cm²) Single socketed pipe

Road signage: Providing and applying 2.5 mm thick road marking strips (retro- reflective) of specified shade/ colour using hot thermoplastic material by fully/ semi automatic thermoplastic paint applicator machine fitted with profile shoe, glass beads dispenser, propane tank heater and profile shoe heater, driven by experienced operator on road surface including cost of material, labour, T&P, cleaning the road surface of all dirt, seals, oil, grease and foreign material etc. complete as per direction of Engineer-in-charge and accordance with applicable specifications.

Providing and fixing Road studs rectro-reflective Plastic body of RPM/road stud shall be moulded from ASA (Acrylic Styrene Acrylonitrile) or HIPS (Hi-impact Polystyrene) or Acrylonitrile Butadiene Styrene (ABS) or any other suitable material approved by the Engineer. The markers shall support a load of 13,635 kg tested in accordance with ASTM D 4280.

Hazard sign Board Providing and fixing chevron sign board (Cautionary/Warning Sign Board) With reflective sheeting conforming to type -III of ASTM-D-4956 letters, borders etc. as per IRC : 67-2012. 300 mm X 900 and mounted on MS pipe of 65 mm dia duly powder coated anti-rust and anti theft steel to be installed as per direction of Engineer-in-charge.

Providing and fixing Chevron sign board (Cautionary/Warning Sign Board) Wit reflective sheeting conforming to type III of ASTM-D-4956 letters, borders etc. as per IRC :67-2012. 600mm X 450 Triangle mm with 1.5 mtr. and mounted on MS pipe of 65 mm dia duly powder coated anti-rust and anti theft steel to be installed as per direction of Engineer-in-charge.

Providing and fixing Left hand & right sign board (Mondatory Sign Board)With reflective sheeting conforming to type -III of ASTM-D-4956-01 as approved by Engineer-in-charge, letters, borders etc. as per IRC : 67-2012. 600mm X 600 Triangle mm with 1.5 mtr. and mounted on MS pipe of 65 mm dia duly powder coated anti-rust and anti theft steel to be installed as per direction of Engineer-in-charge.

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