NHIDCL/RO/A N/4TH CALL/FY 2025 26/02

Excavation of Earthwork: Excavation for roadwork in soil with hydraulic excavator including cutting and loading in tippers, trimming bottom and side slopes, in accordance with requirements of lines, grades and cross sections, and transporting to the embankment location within all lifts and lead upto 1000m, directed by Engineer-in-charge.

PCC Grade M15 : Reinforced Cement Concrete in Open Foundation complete as per Drawing and Technical Specifications. PCC Grade M15 using batching plant & Concrete pump, as per direction of the Engineer-in-charge.

Reinforcement : Supplying, Fitting and Placing un-coated HYSD bar Reinforcement in Foundation complete as per Drawing and Technical Specifications, as per direction of the Engineer-in-charge.

RCC Grade M30 : Reinforced Cement Concrete for complete as per Drawing and Technical Specifications. RCC Grade M30 using batching plant transit mixer & Concrete pump, as per direction of the Engineer-in-charge. All works for Foundation

RCC Grade M30 : Reinforced Cement Concrete for complete as per Drawing and Technical Specifications. RCC Grade M30 using batching plant transit mixer & Concrete pump, as per direction of the Engineer-in-charge. All works for Wall & Slab etc.

Backfilling with local Earth: Back filling behind abutment, wing wall and return wall complete as per drawing and Technical Specification, as per direction of the Engineer-in-charge.

Filter Media : 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, as per direction of the Engineer-in-charge.

Weep Holes :Providing weep holes in Brick masonry/Plain/ Reinforced concrete abutment, wing wall/ return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical Specifications, as per direction of the Engineer-in-charge.

Granular Sub-Base with Graded Material : Construction of granular sub-base by providing close graded Material, mixing in a mechanical mix plant at OMC, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401, as per direction of the Engineer-in-charge.

Wet Mix Macadam (Plant Mix Method) : Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the Material with water at OMC in mechanical mix plant carriage of mixed Material by tipper to site, laying in uniform layers with grader in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density, as per direction of the Engineer-in-charge.

Prime Coat over WMM: Providing and applying primer coat with SS1 grade bitumen emulsion on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.70 to 1.00 kg/sqm using mechanical means, as per direction of the Engineer-in-charge.

Tack Coat on Bituminous surfaces : Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on the prepared bituminous surface cleaned with mechanical broom, as per direction of the Engineer-in-charge.

Dense Graded Bituminous Macadam: Providing and laying dense graded bituminous macadam with higher capacity batch type HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 per cent by weight of total mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH specification clause No. 505 complete in all respects, as per direction of the Engineer-in-charge.

Bituminous Concrete: Providing and laying bituminous concrete with higher capacity batch type hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MORTH specification clause No. 507 complete in all respects, as per direction of the Engineer-in-charge.

Please Enable Macros to View BoQ information