Construction of Jarabari to Arkora road under SOPD-G for the year 2019-20, Chapaguri LAC

Amount

Road Work: Clearing & grubbing and cutting Clearing and grubbing road land including uprooting wild vegetation, grass, bush, shurubs, saplings and trees of girth upto 300 mm, removal of stumps of trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, up to a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness. i) By Manual Means. A) In area of non thorny jungle.

Loosening of the ground upto a level of 300mm below the subgrade level, watered, graded and compacted in layers to meet requirement of Tables 300.1 and 300.2 for subgrade construction as per Technical Specification Clause 303.5.2

Construction of embankment with material obtained from borrow pits, Construction of embankment with material obtained from borrow pits with a lift upto 1.5 m, transporting to site, spreading, grading to required slope and compacting to meet required of Tables 300.1 and 300.2 with a lead upto 1000 m as per Technical Specification Clause. a) Private Land

Construction of sub-grade and earthen shoulders Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits with all lifts and leads, transporting to site, spreading, grading to required slope and compacting to meet required of Table 300.2 with lead upto 1000 m as per Technical Specification Clause. (a) Private land

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. (ii) For Grading Material (Gr-II)

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 2 as per Technical Specification Clause 405. (A) By Manual Means Using Stone Screening Type-B 11.2mm for Gr.III

Providing and laying interlocking concrete block pavement (M40) having thickness 80mm as per technical specification clause 1504 complete including carraige.

Traffic Signs Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC: 67 made of encapsulated lens type reflective sheeting vide clause 170.1.2.3 fixed over aluminium 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 x600mm, 600mm below ground level as per approved drawings and Technical Specification Clause 801. (i) 60cm equilaterial triangle.

Reinforced cement concrete M-15 grade kilometre stone/local stone of standard design as per IRC:8 fixing in position including painting and printing etc, as per drawing and technical specification clause 1703. ii) Ordinary Kilometer stone (Precast)

Planting of Trees and their Maintenance for three year (Planting of trees by the road side (Avenue trees) in 0.60m dia holes, 1 m depth dug in the ground mixing the soil with decayed from yard/sludge mannure, planting the saplings, backfilling the tranches watering fixing the tree guatrd and maintaining the plants for three year.

Pradip Narzary

GWMSRANG BASUMATARY