NIT NO:198/Raipur/B/R/2026-27 (3rdCall)

Dismantling of flexible pavements and disposal of dismantled materials including all leads, stacking serviceable and unserviceable materials separately and as per relevant clauses of section-200.

Bituminous courses

Granular Courses

Granular Sub-base as per Table:- 400-1 Construction of granular sub-base by providing graded Material, carriage of mixed Material to work site, spreading in uniform layers with motor grader on prepared surface watering, rolling and compacting with vibratory power roller at OMC to achieve the desired density, complete as per clause 401.

For Lower Sub-base with

Grading-V Material

Wet Mix Macadam 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 paver in sub- base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density as per clause 406.

Prime coat Providing and applying primer coat with bitumen emulsion (SS-1, grade confirming to IS:8887) on prepared surface of granular base including clearing of road surface and spraying primer using mechanical means as per clause 502.

on WBM / WMM surface @0.85 kg/ sqm.

Tack coat Providing and applying tack coat with bitumen emulsion (RS-1, grade confirming to IS:8887) using emulsion pressure distributor on the prepared bituminous /granular surface cleaned with mechanical broom and as per clause 503.

Providing and laying leveling course / profile corrective course with bituminous macadam

With mechanical paver

Dense Graded Bituminous Macadam Providing and laying dense bituminous macadam with minimum 40-60 TPH capacity HMP using crushed aggregates of specified grading, premixed with bituminous binder @ 4.0 to 4.5% by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher to the required grade, level and alignment, rolling

With Mechanical paver

for Grading II (26.5 mm nominal size bitumen content 4.50%)

Bituminous Concrete Providing and laying bituminous concrete with minimum 40-60 TPH capacity hot mix plant using crushed aggregates of specified grading, premixed with bituminous binder @ 5.0 to 6.0% by weight of total mix of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required

With Mechanical paver

for Grading II (13.2 mm nominal size aggregate) with bitumen 6.0 %