SENL/SOPD-G/2020-21/NAL-41 (Re-Construction of Road from H.M.D. Road to Mukalmua via Narayanpur Bazar and Barkhetri College in Barkhetri LAC)

Amount

Construction of embankment with approved materials obtained from borrow pits, with a lift up to 1.5 m. transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-1 and 300-2 with a lead up to 1000 m. as per technical specification clause 301.5.(a)from Private Land

Construction of sub grade and earthen shoulder with approve materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet requirement of table 300-2 with lead up to 1000 m as per Technical Specification Clause 303.1(i) Private Land

Construction of granular sub-base by providing well graded materials, spreading in uniform layers with motor grader on prepared surface, mixing by mix in place method with rotavator at OMC and compacting with smooth wheel roller to achieve the desired density, complete as per technical specification Clause 401. i) For Grading I materials

Providing, laying, spreading and compacting stone aggregate of specified 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/binding materials to fill-up the interstices of coarse aggregate, watering & compacting to the required density grading II as per Technical Specification Clause 405. Using stone screening 2)Grading-II (A) Manual means

Providing, laying, spreading and compacting stone aggregate of specified 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/binding materials to fill-up the interstices of coarse aggregate, watering & compacting to the required density grading II as per Technical Specification Clause 405. Using stone screening 3) Grading-III (A) Manual means

Providing and applying primmer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning of road surface and spraying primer @0.70 kg-1.0 kg/sqm using mechanical means as per technical specification clause 502

(iii)Providing and applying tack coat with bitumen emulsion (RS-1) using emulsion distributor 0.25 to 0.30 Kg/sqm on the prepared granular treated with primer and 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 5.6 mm aggregates either using penetration graded 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 tree wheeled roller 80-100KN static roller capacity, finished to required level and grades to be follow by seal coat of either Type A, type B or type C as per Technical Specification Clause 508. Case –I : By Manual Means. (iii) Crumb Rubber Modified Bitumen

Providing and laying seal coat sealing the voids in a bituminous surface laid to the specified level, grade and cross fall using type A, Type B and Type C as per Technical Specification Clause 10 Case –II :Type B (iii) Crumb Rubber Modified Bitumen

Planting lines, Dashes Arrows etc. on Road in Two Coats on New Work with ready mixed road marking paint conforming to IS :164 on bituminous/concrete surface including clearing 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 retro –reflectorised cautionary mandatory and informatory sign as per IRC 67 made of encapsulated leans type reflective sheeting vide Clause 1701.2.3 fixed over aluminum sheeting, 1.5mm thick supported on a mild steel angle iron post 75mm x 75mm x 6mm firmly fixed to the ground by means of properly designed foundation with M 15 grade cement concrete 450mm x 450mm x 600mm, 600mm below ground level as per approved drawing and technical specification Clause 801. (ii) 60cm equilateral triangle

Bimal Kalita