Re-Construction of road by providing SDBC (Ch. 0.00 m to 9650.00m) on Dhauliguri to Dotma Road (PMGSY) under SOPD-G for the year 2019-20, Kokrajhar EAST LAC.

Amount

2. Stripping excess soil from the shoulder surface to achive the approved level amd compacting with plate compactor at OMC as per drawing and Technical Specification Clause 1903.

3) WBM Grading 3 Using stone screening Type - B 11.2 mm for Gr III : Providing, laying, spreading and compacting stone aggreegates of specific size to water bound macadem specification including spreading in uniform thickness, hand packing, rolling with smooth wheel roller 80-100kN 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.

ii) Medium porosity providing and applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular Base including clearing of road surface and spraying primer at the rate of 0.90-1.2 k.g/sqm using mechanical means as per Technical Specification Clause 502. Quantity (as per statement)

iii) Providing and applying tack coat with bitumin emulsion (RS-1) using emulsion distributor at the rate of 0.25 kg- 0.30 kg per sqm on the prepared granular surface treated with primer & 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 aggregate of specified grading, pre-mixed with bitumen binder @4.5 - 5% of mix and filler and transporting the hot mix to work site, laying with hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieved the desired compaction as per MosrtSH cl.No.508 complete in all respect. A. With hydrated lime/ cement as filler (refer table 500-9 of MoSRT&H specification). (I) With 60/70 or VG-30 grade bitumen for Grading (10 mm nominal size).

Providing reflective pavement marker with Micro prismatic lens in both direction having thermoplastic body adhering to the specification and guidelines of MoSRT&H's fixed to the road surface using the adhesives and the procedures recommended by the manufractures with three months replacement warranty and free maintenance.

(B) Semi-Reflective Traffic signs (I) Providing and fixing of Semi reflective cautionary, mandatory, informatory sign boards as per IRC-67 made of 1.5mm thick M.S. Sheet duly stove white colour in front and grey colour on back with red reflective border of 65 mm width and required letters and figures with reflective tape of engineering grade as per clause 1701.3.9 of MORD for Rural Roads of required shade and colour Supported and welded on 47 mm X 47mm of 12 SWG square tube firmly fixed to the ground by means of proporly designed foundations with M-15 grade cement concrete 450 x 450 x 600mm, 600mm below ground level as per approved drawing clause 1701.2.2 ii. 600mm equilateral triangle.

(B) Semi-Reflective Traffic signs (I) Providing and fixing of Semi reflective cautionary, mandatory, informatory sign boards as per IRC-67 made of 1.5mm thick M.S. Sheet duly stove white colour in front and grey colour on back with red reflective border of 65 mm width and required letters and figures with reflective tape of engineering grade as per clause 1701.3.9 of MORD for Rural Roads of required shade and colour Supported and welded on 47 mm X 47mm of 12 SWG square tube firmly fixed to the ground by means of proporly designed foundations with M-15 grade cement concrete 450 x 450 x 600mm, 600mm below ground level as per approved drawing clause 1701.2.2 v. 600mm x 450mm rectangular..

Providing and laying of hot applied thermoplastic compound 2.5 mm thick including reflectonsing glass beads @250 gms per sqm. area, thickness of 2.5mm 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.

SAKENDRA BASUMATARY