Re-Construction to Gossaigaon Saraibil Road (Non PMGSY Road) under SOPD-G for the year 2019-2020 (Providing by SDBC from Ch.8475.00m to Ch.13000.00m-4470.00 etc), Gossaigaon LAC.

Amount

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, up to 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. (i) By Manual Means A. In area of non thormy jungle.

Scarifying existing granular surface to a depth of 50mm and disposal of scarified materials with a lift upto 3 m and lead up to 1000 mm as per technical specification clause 301.4 b) Mechanical Means.

Providing laying, spreading and compacting stone aggregates of specific sizes to WBM 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/binding materials 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 applying primer coat with bitumen emulsion (SS-1) on prepared surface of granular base including cleaning road surface and spraying primer at the rate of 0.70-1.0 kg/sqm using mechanical means as per Technical Specification Clause 502.

Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.20 to 0.25 kg per sqm on the prepared bituminous surface Cleaned with Hydraulic broom as per Technical Specification Clause 502.

Semi-Dense Bitumen Concrete (Providing and laying semi-dense Bituminous concrete with 100-120 TPH batch HMP produching an average ouput of 25 tonnes per hour using crushed aggregate of specific 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 level and alignement rolling with smooth wheel, vibratory and tendem rollers to achieved the desired compaction as per MoSRT&H cl. no.508. complete in all respect. A) With hydrated lime/cement as filter (refer table 500-9 of MoSRT&H specification) For grading-II (10mm nominal size)

Direction and Place identification signs upto 0.9sqm size board. A. Retro-reflectorised Traffic Signs iii) Providing and erecting direction and place identification retro-reflectorised signs as per IRC:67 made of encapsulated lens type reflective sheeting vide clause 1701.2.3 fixed over aluminium sheeting 2mm thick with area not exceeding 0.9 sqm suported on RCC post 100mm x 100mm firmly fixed to the ground by means of properly designed foundation with M-15 grade cement concrete 450 x 450 x 600 mm, 600 mm below ground level as per approved drawing and Technical Specification Clause 1701.

Painting on concrete surface (Providing and applying 2 coats of water based cement paint to unplastered concrete surface after cleaning the surface of dirt, dust, oil, grease, eflorescence and applying paint @ of 1 litre for 2 Sqm)

Kilometre Stone 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. i) Ordinary Kilometer stone (Precast)

Kilometre Stone 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) 200m stone (Precast)

Planting of Trees and their Maintenance for three years (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 trenches watering fixing the tree guatrd and maintaining the plants for three year.

Dharamsing Narzary

Sri Amit Brahma

DHANANJAY BASUMATARY

SAKENDRA BASUMATARY