Kowpatani to Nalbari road

Amount

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 compacting 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 subgrade and earthen shoulders with approved material obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacted to meet requirement of Table 300.2 with lead upto 1000 m as per Technical Specification Clause 303.1.5. I) private land

Granular Sub-base with Well Graded Material (Table 400.1) A) By Mix in Place Method Construction of granular sub-base by providing well graded material, 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.III) For grading II material.

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel roller 80-100 kN N-static in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 as per Technical Specification Clause 405. A) by Manual means

Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel roller 80-100 kN N-static in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density grading 2 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 (CRS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

20mm thick Open-Graded Premix Carpet using Bituminous 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. 1-By Manual means II) Bitumen (S-90)

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. case I: Type A Bitumen (S-65)

Providing and laying of boulder apron laid in wire crates with 4 mm dia GI wire conforming to IS:280 and IS:4826 in 100 mm x 100 mm mesh (woven diagonally) including 10 per cent extra for laps and joints laid with stone boulders weighing not less than 25 kg each as per drawing and technical specifications Clause 1301

Earthwork in excavation for structures as per drawing and technical specifications Clause 305.1 including setting out, construction of shoring and bracing, removal of stumps and other deleterious material and disposal upto a lead of 50 m, dressing of sides and bottom and backfilling in trenches with excavated suitable material.

Sand filling in foundation trenches as per drawing and technical specification

plain/reinforced concrete in open foundations complete as per drawings and technical specifications including steel shuttering formwork(N)without plasticizer A PCC GradeM 15

plain/reinforced concrete in open foundations complete as per drawings and technical specifications(N)without plasticizer A PCC Grade M 20

plain/reinforced concrete in open foundations complete as per drawings and technical specifications(N)without plasticizer C RCC Grade M 20

Supplying, fitting, and placing TMT bar reinforcement in open foundation complete as per drawing and technical specifications clause 1000 & 1202

plain/reinforced concrete in Sub- Structure complete as per drawings and technical specifications including steel shuttering formwork(N)without plasticizer A PCC GradeM 15

Supplying, fitting, and placing TMT bar reinforcement in Sub-Structure complete as per drawing and technical specifications clause 1000 & 1202

plain/reinforced concrete in Sub- Structure complete as per drawings and technical specifications including steel shuttering formwork(N)without plasticizer E RCC GradeM20 ,a) height upto 5 m, Case I

Providing and laying Cement concrete wearing coat M-30 grade including reinforcement complete as per drawing and Technical Specifications cl. 800 and 1206.3B. with Natural gravel.

Providing pressure relief pipes 100 mm dia in bottom slab of box cell on a filter media base of 500 mm x 500 mm as per drawing and technical specification Clause 1205.5.7

Providing and laying curtain wall complete as per drawing and Technical Specifications cl. 1304, B) cement concrete grade M15

Flexible Apron: construction of flexible apron 1m thick comprising of loose stone boulders weighing not less than 40 kg beyond curtain wall

Construction of RCC railing of M30 Grade in situwith 20mm nominal size aggregate true to line and grade, tolurence of vertical RCC post not to exceed 1 in 500, centre to centre spacing between vertical post not to exceed 2000 mm, leaving adequate space between vertical post for expansion, complete as per approved drawings and technical specifications

Back filling behind abutment, wing wall and return wall complete as per drawing and Technical specification II) Sandy material

Providing weep holes in Brick asonry/Plain/Reinforced concrete abutment, wing wall/return wall with 100 mm dia AC pipe, extending through the full width of the structure with slope of 1V :20H towards drawing foce. Complete as per drawing and Technical specification

SRI PRASANA BASUMATARY

Gohin Gohain

KAMAL KALITA

RAJIB SAHU

Jitu Tapan Gogoi