WBHIDCO/GM E-II/AA-I/NIT-17/2026-2027

Dismantling of Flexible Pavements Dismantling of flexible pavements and disposal of dismantled materials upto a lead of 1000 metres, stacking serviceable and unserviceable materials separately (Reference to MoRT&H's specification clause 202) (ii) By Mechanical Means. (ii)A) Bituminous course

Dismantling of Kerb Stone. Dismantling kerb stone by manual means and disposal of dismantled material with all lifts and upto a lead of 1000 metre (Reference to MORT&H's specification clause 202).

Dismantling of Kerb Stone Channel. Dismantling kerb stone channel by manual means and disposal of dismantled material with all lifts and upto a lead of 1000 metre (Reference to MORT&H's specification clause 202).

Compacting original ground supporting sub-grade. Loosening of the ground upto a level of 500 mm below the sub-grade level, watered, graded and compacted in layers to meet requirement of table 300-2 & 300-1 for sub-grade construction (Reference to MoRT&H's specification clause 305.3.4).

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniformthickness, hand packing, rollingwith3wheeledsteel/ vibratory roller 8-10 tonnes in stages topropergradeandcamber,applying and brooming requisite type of screening/bindingMaterials tofillup the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H's specification 404). By Mechanical Means: Grading-2(Table 400-9) Using Screening (Table 400-10) Type-B (11.2 mm aggregate)

Wet Mix Macadam Providing, laying, spreading and compacting graded stone aggregate conforming to the grading of table400 13 revised vide table2 of IRC : 109 (2015) 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 .The thickness of a single compacted layer shall not be less than 75 mm.(Reference to MoRT&H's specification 406.

Prime Coat Providing and applying primer coat with cationic bitumen emulsion SS1 grade conforming to IS:8887 on prepared porous granular surface including clearing of road surface and spraying primer using mechanical means (Reference to MORT&H's specification clause 502). i) On WMM/WBM surface @ 0.70-1.0kg/sqm.

Tack Coat: Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). ii) On Granular surface treated with primer @ 0.25kg-0.30 /sqm.

Bituminous Macadam Providing and laying bituminous macadam using crushed aggregates of specified grading premixed with bituminous binder, transported to site, laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled as per clauses 501.6 and 501.7 to achieve the desired compaction (Reference to MORT&H's specification clause 504). 8a) With Continuous Type HMP (60-90 TPH). ii) for Grading 2 (19 mm nominal size)

Tack Coat Providing and applying tack coat with Cationic bitumen emulsion (RS1) complying with IS:8887 using emulsion pressure distributor on the prepared bituminous/granular /cement concrete pavement surface cleaned with mechanical broom and high pressure air jet (Reference to MORT&H's specification clause 503). i)On bituminous surface @ 0.20kg-0.3kg /sqm.