Permanent restoration of flood damaged road portion on Nonoi Uriagaon to Ghagorial

Amount

Road Works

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 comppactingg to meet reqquirement of Tables 300.1 and 300.2 with a lead uppto 1000 m as per Technical Specification Clause 301.5 i) Private Land

Dressing & profiling the existing WBM/Granular/Earthen surface layer of the road from edge to edge of the existing carriage way and both the shoulders, filling low spots and ravelled stretches by providing additional materials of same type as that of the existing top surface layer, cambering, watering, rolling with 8-10 tonne roller to obtain specified compaction, etc to obtain a uniform formation surface with cross fall from the road centre line to the outer edges of the existing embankment. Works to be carried out in accordance with MORT&H specifivation section 300 and as directed by the deptt. (rate considered as per SOR for road bridge and culvert works for all divisions inder PWD Assam 2016-17, at sections where the top level of the subgrade of the existing road surface is not proposed to be raised by more than 100mm.

Construction of Subgrade and Earthen Shoulders 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. i) Private Land

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 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 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 laying interlocking concrete block pavement (M40) having thickness 80mm as per echnical specification clause 1504 including carriage. a) including Edge block/Edge restraints

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

Providing and laying pitching on slopes laid over prepared filter media as per drawing and technical specifications Clause 1302 Stone/Boulder

Providing and laying filter material underneath pitching in slopes complete as per drawing and technical specifications Clause 1302

GIRI KANTA BORAH