Repair and Restoration of Road from Dhemaji Railway station Adikolia via Jamuguri Panchali under SDRF for the year 2021-22.

Amount

Clearing and Grubbing Road Land 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 Specification Clause 201.(i) By Manual Means. (A) In area of non-thorny jungle

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3.0m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of Embankment with Material Obtained from Borrow Pits Construction of embankment with approved material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and comp g actin to meet requirement of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause 301.5 ( I ) Private land

Construction of granular sub-base by providing well graded material spreading in uniform layer with motor grader on prepared surface, mix in place method with rotavator at OMC and compacting with wheel roller to achieve the desired density, as per Technical specification Cl.401.(II) For Grading II Materials

WBM Grading 3 Using stone screening Type-B 11.2 mm for Gr.III 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

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 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Providing, laying and rolling of open-graded premix carpet of 20 mm thickness composed of 13.2 mm to 5.6 mm aggregates either using penetration grade bitumen or emulsion 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 three wheel 80-100 kN static roller capacity, finished to required level and grades to be followed by seal coat of either Type A or Type B or Type C as per Technical Specification Clause 508.

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified levels, grade and cross fall using Type A, Type B and Type C as per Technical Specification Clause 510

Providing and laying boulder apron laid in wire crates with 4mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh(woven diagonally) including 10 percent extra for laps and Joint laid with stone boulders weighing not less than 25Kg each as per drawing and Technical Specification Cl 1301

Providing and laying filter material underneath pitching in slopes complete as per drawing and Technical Specification Cl 1302

Providing and laying pitching on slopes laid over prepared media as per drawing and Technical Specifications Clause 1302

Providing and fixing of semi reflective cautionary, mandatory and informatory sign board as per IRC:67 made of 1.5 mm thick MS Sheet duly stove white colour in front and gray colour on back with red reflective border of 65 mm width and required .................................................. letters foundations with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing Clause 1701 (iv) 80 cmx 60 cm rectangular

Ramen Saikia

Prafulla Nath