Repairing of Road by providing SDBC from NH 31C to Matiajauri (from Ch. 0.00m to Ch. 7930.00m) under SOPD for the year 2021-22. (TN No.35_01).

Amount

(3) WBM Grading 3 - Using stone screening Type-B 11.2 mm for Gr.lll: Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100 kN in stages to proper grade and camber, applying and brooming, stone screening to fill up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. (A) By Manual Means

Prime Coat ii) Medium porosity Providing and applying primer coat with Bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer at the rate of 0.90-1.2 kg/sqm using mechanical means as per Technical Specification Clause 502.

(ii) Providing and applying tack coat with Bitumen lemulsion (RS-1) using emulsion distributor at the rate of 00.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Semi-Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect.

Planting of Trees and their Maintenance for three year (Planting of trees by the road side (Average trees) in 0.60m dia holes, 1m deep dug in the ground, mixing the soil with decayed farm yard/sludge mannure, planting

Painting olines, deshes, arrows etc. on roads in two coats on new work with ready mixed road marking paint conforming to IS:164 on bituminous/ concrete surface, including cleaning the surface of all dirt, dust and other foreign matter, demarcation at site and traffic control as per drawing and Technical Specification Clause 1702.

Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of encapsulated lens type reflective sheeting vide Clause 1701.2.3, fixed over aluminium sheeting, 1.5 mm thick supported on a mild steel angle iron posts 75mm x 75mm x 6mm firmly fixd to the ground by means if properly designed foundation with M15 grade cement concrete 450mm x 450mm x 600mm below ground levels as per drawings and Technical Specification Clause 801 (iv) 800mm x 600 mm rectangular

BERPUNG RAJA BASUMATARY