WBPWRD/EE/PHD/eNIT-04/26-27/2

Filling Pot-holes and Patch Repairs with open-Graded Premix surfacing, 20mm, Removal of all failed material,in the pavement courses and if necessary below the pavement,until the root causes of the failure is removed, the trimming of completed excavation to provide firm vertical faces; specified for the pavement layer; application of tack coat conforming to cl. 503 of MORT&H's specification ,on to the sides and base of excavation prior to placing hot bituminous material(pakur variety) as per clause 510 and the compaction,trimming and finishing of the surfaces of all patches to form a smooth continuous surface, level with the surrounding road as per the requirement of clause 3004.2 of MORT&H's specification .Using VG30 bitumen & Cationic bitumen emulsion (RS1).

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).

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.

Sub-Toal

Sub-Toal

GST @18%