REPAIRING AND SURFACING WORK OF KARANJORA TO CHAMKORA

Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specifications Clause 201 for Rural Roads of MORD. By Manual Means- In area of non-thorny jungle

Restoration of rain cuts with soil, moorum, gravel or a mixture ofthese, clearing the loose soil,benching for 300 mm width and extending continuously for asufficient length and height of benches shall be in the range of 150-300mm. Fresh material shall bedeposited in layers not exceeding250 mm and compacting with platecompactor or power rammers or by suitable implements handled manually to restore the original alignment, levels and slopes as per the requiremnt of MORT&H's specification 3002.

Making up irregularities/loss of material on shoulder to the design level by adding fresh approved soil and compacting it with appropriate equipment as per the requirement of MORT&H's specification 3003.

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 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 .

Providing, laying, spreading and compacting stone aggregates of specific sizes to water boundmacadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applyingand brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H'sspecification 404).By Manual Means Using Screening (Table 400-10)Type-B (11.2 mm aggregate) A) By Manual Means Grading-1 USING PAKUR VARIETY STONE AGGREGATE

Providing, laying, spreading and compacting stone aggregates of specific sizes to water boundmacadam specification including spreading in uniform thickness, hand packing, rolling with 3 wheeled steel/ vibratory roller 8-10 tonnes in stages to proper grade and camber, applyingand brooming requisite type of screening/ binding Materials to fill up the interstices of coarse aggregate, watering and compacting to the required density (Reference to MoRT&H'sspecification 404).By Manual Means Using Screening (Table 400-10)Type-B (11.2 mm aggregate) A) By Manual Means Grading- 2 USING PAKUR VARIETY STONE AGGREGATE

Providing and applying primer coat with cationic bitumen emulsion CSS1 grade 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 @ .85kg /sqm

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'sspecification clause 503). ii)On Granular surface treated with primer @ 0.275kg /sqm.

Providing, laying and rolling of open - graded premix surfacing of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using viscosity grade bitumen of approved grade 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). Case - I: Mechanical method using approved grade Bitumen and HMPof appropriate capacity not less than 75 tonnes/hour .USING PAKUR VARIETY STONE AGGREGATE