WBPWD/EE/HCD/ NITe-12, SL-1 of 2026-2027

Water Bound Macadam Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniformthickness, hand packing, rolling with 3wheeledsteel / vibratory roller 8-10 tonnes in stages topropergradeandcamber,applying and grooming 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). 9A By Manual Means Using Screening (Table 400-10)Type-B (11.2 mm aggregate)

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). 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). On bituminous surface @ 0.20kg-0.3kg /sqm.. Using Cationic RS over BM and premix chipping carpet area.

Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) Filling Pot Holes with Bituminous Macadam using Mobile Hot Mix plant (6-10 TPH) with approved crushed aggregates of specified grading premixed with bituminous binder @3.4% by wt. of the total mix, transported to site and laid in the pot hole prepared before hand by cutting the edges to get a firm vertical face and by removing all the failed and loose materials including dust and applying tack coat evenly on the sides and on the surface as per specification, rolling the filled depression with 8-10 tonne smooth wheeled roller to achieve the desired compaction, including the cost and carriage of stone aggregates and bitumen, hire charges of machinery and equipment, cost of fuel and lubricants and wages of all operational staff, quality control except the cost of tack coat complete as per direction of Engineer-in-charge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work.

Open - Graded Premix Surfacing Providing, laying and rolling of open-gradedpremix surfacingof 20mmthicknesscomposedof13.2 mmto 5.6mmaggregates either using viscosity grade bitumen of approved grade to required line, gradeandlevel toserveaswearing course on a previously prepared base, includingmixinginasuitable plant, laying and rolling with a smoothwheeled tandemor other approved type roller 8-10 tonne capacity,finishedtorequiredlevel andgrades(ReferencetoMORT&H's specification clause 510) Case-I:Mechanical method using approved grade BitumenandHMP of appropriate capacity not less than 75 tonnes/hour .

Seal Coat Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using. Type A and B seal coats (Reference to MORT&H's specification clause 511) Case - II : Type B Providingandlayingofpremixsand sealcoat withHMPusingapproved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade. over pothole area required with premix chipping carpet and freshly laid PCC vide item no.5 and 7.

Bituminous Macadam Providing and laying bituminous macadam with 100-120 TPH hot mix plant using crushed aggregates of specified grading premixed with approved bituminous binder @ 3.3% (min) for Grading -1 and 3.4% (min) for Grading -2 by weight of total mix , transported to site, laid over a previously prepared base 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). for Grading II (19 mm nominal maximum aggregate size) Layer Thickness 50-75mm

GST-18% (SGST=9% & CGST=9%) ADD