Immediate Restoration of Flood Damaged road from Ranpaglirhat to Char Ranpagli Road towards West Bengal Border Road under SDRF for the year 2021-22 (Repairs to Bridge approaches of RCC Br. No. 1/1)

Amount

Construction of Road works

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 pg to meet requirement of Table 300.1 and 300.2 with a lead upto 1000 m as per Technical SPecificatino Clause 301.5 (i) Privet Land

Construction of Sub grade and earthen shoulders with approved amterial obtained from borrow pits with all lift and leads, transporting to site, spreading grading to required slope and compacted to meet requirement of Table 300.2 with lead up to 1000 m as per Technical Specification Clause 300.1 (Privet Land)

Construction of granular sub-m 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, 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 thickenss, hand packing, rolling with three wheel 80-100 kNstatic roller in stages to proper grade and camber, aplying brooming, crushable, screening to fill-up the interstices of coarse aggregate, watering and compcting to the required density Grading 3 as per Technical SPecification Clause 405(A) By Manual Means

Providing, and laying interlocking concrete Block Pavement (M-40) having thickness 80 mm as per technical specificatin Clause 1504 complete (inclusive Edge restrains and carriage)

Boulder Protection Works

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

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 pg to meet requirement of Table 300.1 and 300.2 with a lead upto 1000 m as per Tec

Providing and laying boulder appron laid in wire crates with 4 mm dia GI wire conforming to IS:4826 in 100 mm x 100 mm mesh (woven diagenally) including 10 per cent extra for laps nad joints laid with stone boulders weighing not less then 25 Kg each as per Drawing and Technical SPecificatin Clause 1301.

Providing and laying filter material underneath pitching in slopes complee as per drawing and Technical Specificatin Clause 1302

Providing and laying boulder pitching on slopes laid over prepared filter media s per drawing and Technical Specificatin Clause 1302 Boulder

ABDUL MONNAF MONDAL

Samsul Haque

DIPANKAR BOSE

NIRMALYA MITRA