Const. of CC road from Rangdia village to Rangdia Muslim Supa in Baksa District under BTC for the year 2017-18 (From Ch. 0.00m to Ch. 1300.00m)

Amount

Clearing and grubbing of road land including up rooting rank vegetation grass, bush, shrubs saplings and trees of girth upto 300mm removal of stumps of trees cut earlier and disposal of unserviceable materials & stacking of serviceable material to be used or auctioned, upto a lead of 1000m including removal & disposal of top organic soil not exceeding 150mm in thickness.

Construction of embankment with material obtained from borrow pits, construction of embankment with approved materials obtained from borrow pits with a lift up to 1.5m, transporating to site, spreading, grading to required slope and compacting to meet required of Tables 300.1 and 300.2 with a lead upto 1000m as per technical specification clause.

Construction of Sub-grade and Earthen shouders Construction of sub-grade and earthen shoulders with approved materials obtained from borrow pits, with all lifts and leads, transporating to site, spreading, grading to required slope and compacting to meet required of Table 300.2 with lead upto 1000m as per Technical Specfication Clause.

Construction of granular sub-base by prevelling well graded material, spreeding 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. G.S.B Grading II

Providing, laying, spreading and compacting stone aggregate of specific size to WBM specification including spreading in uniform thickness, hand packing rolling with three wheel 80-100kn static roller in stages to proper grade and camber applying and brooming, stone screening/binding materials to fill up the inter slices of coarse aggregate, watering and compacting to the required density as per Technical Specification Clause. (2) Grading-II (A) By manual means

(3) Grading-III (A) By manual means

Construction of un reinforced, dowel jointed at expansion and construction joint only, plain cement concrete pavement, thickness as per design, over a prepared sub base, with 43 grade cement or any other type as per clause 1501.2.2 M30 grade coarse and fine aggregate conforming to IS:383, maximum size of coarse aggregate not exceeding 25mm, mixed in a concrete mixer of not less than 0.2 cum capacity and appropriate weigh batcher using approved mix design laid in a approved fixed side form work (Steel Channel, laying and fixing of 125 micron thick polythene film, wedges, steel, plates including levelling the form work as per drawing) spreading the concrete with shovels, rakes, compacted using needle, screed and plate vibrator and finished in continous operation including provision of construction and expansion, construction joints, applying deboding strips, primer, sealant, dowelbars, near appropriate to bridge/culvert and construction.

JANEN BRAHMA

AJIT KUMAR BASUMATARY