WBPWRD/EE/PHD/eNIT-02/26-27/1

Clearing and grubbing road land including uprooting rank vegetation, grass, bushes, shrubs, saplings and trees girth up to 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 metres including removal and disposal of top organic soil not exceeding 150 mm in thickness. (Reference to MoRT&H's specification clause 201) By Mechanical Means.In area of light jungle.

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 @ 0.25kg /sqm. Using Cationic RS-I.

Repairing Pot-holes with Bituminous Macadam (Grading - II, for compacted thickness of upto 75mm) cum. 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.

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed stone aggregate of size 13.2 mm @ 0.018 m3/m2 & 11.20 mm@ 0.009m3/m2 mixing with viscosity grade bitumen (VG-30) @1.46 kg/m2 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 tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 510).

Providing and laying premixed seal coat (Type-B)sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using 2.36mm to 90 micron aggregate @ 0.006m3/m2 and VG-30 paving grade bitumaen @0.68kg/m2 including mixing in a suitable plant, laying and rolling with a smooth wheeled tandem or other approved type roller 8-10 tonne capacity, finished to required level and grades (Reference to MORT&H's specification clause 511).

Fog Spray. Providing and applying low viscosity bitumen emulsion (SS1) @0.75kg/m2 for sealing cracks less than 3 mm wide or incipient fretting or disintegration in an existing bituminous surfacing (Reference to MORT&H's specification clause 513). i) Without aggregate.

Sub-Toal

Sub-Toal

GST @18%