WBPWD/EE/HHD-2/eNIT-06/2026-27 Sl-7

Providing and applying tackcoat with Cationic bitumen emulsion(RS1) complying withIS:8887 using emulsion pressure distributor on the prepared bituminous /granula r/cement concrete pavement surface cleaned with mechanical broomand high pressureairjet (ReferencetoMORT&H'sspecification clause 503). i)On bituminous surface @ 0.20kg-0.3kg /sqm.

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-incharge. Payment to be made on the basis of the loose net volume of the stone aggregates used in the work.

Providing, laying and rolling of open - graded premix surfacing of20 mm thickness composed of 13.2mm to 5.6 mm aggregates eitherusing viscosity grade bitumen ofapproved grade to required line,grade and level to serve as wearingcourse on a previously preparedbase, including mixing in a suitableplant, laying and rolling with asmooth wheeled tandem or otherapproved type roller 8-10 tonne capacity, finished to required leveland grades (Reference to MORT&H'sspecification clause 510). Case - I: Mechanical method using approved grade Bitumen and HMPof appropriate capacity not less than 75 tonnes/hour .

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 Providing and laying of premix sand seal coat with HMP using approved crushed stone chipping and viscosity grade paving bitumen of suitable approved grade.

G.S.T. @ 18% as applicable