Repairing of approach Road to Ithai Barrage, Loktak Project.

Amount

Filling Pot-holes and Patch Repairs with - Bituminous concrete, 40mm. (Removal of all failed material, trimming of completed excavation to provide firm vertical faces, cleaning of surface, painting of tack coat on the sides and base of excavation as per clause 503, back filling the pot holes with hot bituminous material as per clause 504, compacting, trimming and finishing the surface to form a smooth continuous surface, all as per clause 3004.2)

Water Bound Macadam and compacting stone Providing, laying, spreading aggregates of specific sizes to water bound macadam Specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/vibratory roller in stages to proper grade and camber, applying and brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density. A) By Manual Means) Grading-I (Aggregate size -63mm to 45mm) (a) Using Screening Crushable type such as Moorum or Gravel.

Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg per sqm on prepared bituminous/granular surface cleaned with mechanical broom.

Open - Graded Premix Surfacing (Providing, laying and rolling of open – graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates using Viscosity grade bitumen to required line, grade and level to serve as wearing course on a previously prepared base, including mixing in a suitable plant, laying and rolling with a smooth wheeled roller 8-10 tonne capacity, shed to required level and grades.) Case - I: Mechanical method using Penetration grade Bitumen and HMP 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) i) Case - I : Type A

Add EPF @ 0.65%

Add CESS @ 1%

Add GST @ 18%

M/S TH. RATANKUMAR SINGH

M/S BALBIR SINGH LAKRA

M/s THOKCHOM SHYAMKUMAR SINGH