Improvement of Road from Jharbari Kalimandir to Banglajhora via Rannagar by providing SDBC under State Govt. Good Will Project under SOPD-G for the year 2020-21, Kokrajhar East LAC

Amount

(A) ROAD WORK Clearing and grubbing road land including uprooting wild vegetation, grass, bushes, shrubs, saplings and trees of girth upto 300 mm, removal of stumps of such trees cut earlier and disposal of unserviceable materials and stacking of serviceable material to be used or auctioned, upto a lead of 1000 m including removal and disposal of top organic soil not exceeding 150 mm in thickness as per Technical Specification Clause 201. (A) By Manual Means (i) In area of non thorny jungle.

Scarifying the existing bituminous road surface to a depth of 150 mm and disposal of scarified material with a lift upto 3 m and lead upto 1000 m as per Technical Specification Clause 301.4.

Construction of Sub grade and earthen shoulders with approved material 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 1000m as per Technical Specification Clause 300.1 (I) Private land.

WBM Grading 3-Using stone screening Type-B 11.2 mm for Gr.III: 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 mannual 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 Low porosity.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.

Semi - Dense Bituminous Concrete (Providing and laying semi dense bituminous concrete with 100-120 TPH batch type HMP producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder @ 4.5 to 5% of mix and filler transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the reqd. grade, lavel and alignment,rolling with smooth wheeled,vibratory and tandem rollers to achieve the desired compaction as per MoSRT&H cl. no.508. complete in all respect. A.with a hydrated lime/cement as filler (refer table 200-9 of MoSRT&H Specification (ii) with polumer modified bitument 70 (ii) for grading II (10mm nominal size)

Semi rfeflective Traffic signs I. Providing and fixing of retro-reflectorised cautionary, mandatory and informatory sign as per IRC:67 made of 1.5 mm thick MS Sheet duly stoved white coloured in front gray coloured ion back wth black reflective border of 65 mm width and requiredv letters and figures with reflective tape engineering gdrade as per clause 1701.3.9 of MORD for RR of Required shade and cokourede supported and welded on 47mm x 47mm x 12 SWG sheet tube firmly fixed to the ground by mean of properly designed foundation with M15 grade cement concrete 450x450x600x mm 600 mm below ground level as per aproved dwaing clause 1701.2.2 v) 600mmx450mm rangtangular

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5 mm is exclusive of surface applied glass beads as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes and conforming to the MoSrt&H specifications

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

Umesh Basumatary

BARANDA BASUMATARY