Renewal and strengthening of BOT Road Bari Baseri Bayana Weir Bhusawar Chhonkarwara Kherli Road Km. 00/00 (Bari) to 62/00 (Kunda Tiraha) and Km. 105/00 (Kherli mod) to 122/00 (Kherli)

PART-"(A)"RENEWAL AND STREGTHENING 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 MoRTH Specification Clause 201. By Mechanical Means In area of thorny jungle

Scarifying old bituminous road by making 50x50mm furrows criss-cross at 1.0 metre intervals at 45 degree to the center line of the carriageway

Providing and laying dense graded bituminous macadam with 100-120 TPH batch type HMP producing an average output of 75 tones per hour using crushed aggregates of specified grading, premixed with bituminous binder minimum @ 4.0 & 4.5 percent by weight of total mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH Specifications Clause 505 complete in all respects. Bitumen (VG-30) Grading - II (26.50 mm (Nominal Size))

Providing and applying tack coat with Bitumen VG-10 using bitumen pressure distributor at the rate of 0.30 to 0.40 kg per sqm on the prepared bituminous surface cleaned with Hydraulic broom as per MoRTH Specification Clause 503 and IRC-16-2008

Providing and laying bituminous concrete with 100-120 TPH batch type hot mix plant producing an average output of 75 tonnes per hour using crushed aggregates of specified grading, premixed with bituminous binder minimum @ 5.2 & 5.4 per cent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensor control to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve the desired compaction as per MoRTH Specifications Clause 507 complete in all respects for Grading-II(13 mm nominal size) Bitumen (VG-30)

Providing laying spreading and compacting specified graded sand, gravel (crushed stone) as per Table 400-1,400-2 or any other course material as per design mix, as per CBR in sub base course including premixing the material at OMC in wet mix plant, carriage of mixed material spreading in uniform layers with motor grader F.E loader on a prepared base and compacting with vibratory roller to achieve desired density (as per I.S.2720) including all material, labor, machinery, lighting guarding, barricading and maintenance of diversion complete.[MoRTH specification : Clause 401]. By mechanical means with a lead of 1 Km. For Grading-II Material

PART-"(B)"CC PAVEMENT

Dismantling of cement concrete pavements by mechanical means using pneumatic tools breaking to pieces not exceeding 0.02 cum in volume and stock piling at designated locations and disposal of dismantled materials upto a lead of 1000 m, stacking serviceable and unserviceable materials separately

Construction of un-reinforced , plain cement concrete pavement M-40 (Grade), thickness as per design, over a prepared sub base, with 43/53 grade cement as per Clause 602, coarse and fine aggregates conforming to IS:383, maximum size of coarse aggregate not exceeding 31.5 mm, mixed in a in fully automatic computerised compatible with Printer and Pen Drive Batching Plant and transported to site in transit mixer for having continous agitated mixer, manufactured as per approved mix design including pumping of R.M.C. from transit mixer to site of laying , with all lead and lift including cost of admixtures in recommended portion as per IS 9103 to accelerate/ retard setting of concrete, improve workability without impairing strength and durability as per direction of Engineer in charge laid with a Slip Form Paver (laying and fixing of 150 micron thick polythene film) and finished in continuous operation including provision of contraction and expansion, construction joints, applying debonding strips, primer, sealant near approaches to bridge/culvert and construction joints, admixtures as approved, curing of concrete slabs for 14-days using water finishing to lines and grade as per drawing and MoRTH Specification Clause 602 should have minimum flexural strengthen of 4.5 MPa, with all required equipments. (Dowel Bars and Tie Bars will be paid seprately).