Permanent Restoration of Doda Dessa Road

SLIP CLEARANCE In soils; mixed with moorum/Kankar/shingle/boulders; disposal lead upto 50 m and lift upto 1.5 m.

Providing and laying in position cement concrete of specified grade including curing but excluding the cost of centring and shuttering. All work upto plinth level with: 1:2:4 (1 cement : 2 coarse sand : 4 graded stone aggregate 20 mm nominal size).

Centering and shuttering including strutting, propping etc. and removal of form for: Foundations, footings, bases of columns etc. for mass concrete.

Scarifying the existing bituminous road surface to a depth of 50mm and disposal of scarified material within all lifts and lead upto 1 km (by mechanical means).

Providing, laying, spreading and compacting graded stone aggregate (size range 53 mm to 0.075 mm ) to wet mix macadam (WMM) specification including premixing the material with water at OMC in mechanical mix plant, carriage of mixed material by tipper to site, for all leads & lifts, laying in uniform layers with mechanical paver finisher in sub- base / base course on well prepared surface and compacting with vibratory roller of 8 to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge

Providing and applying tack coat using hot straight run bitumen of grade – VG-10, including heating the bitumen, spraying the bitumen with mechanically operated spray unit fitted on bitumen boiler, cleaning and preparing the existing road surface as per specifications. On bitumen surface @ 0.50 Kg/sqm.

2.5 cm premix carpet surfacing with 2.25cum and 1.12 cum of stone chippings of 13.2 mm and 11.2mm size respectively per 100 sqm and 52 kg and 56 kg of hot bitumen per cum of stone chippings of 13.2 mm and 11.2 mm size respectively including a tack coat with hot straight run bitumen including consolidation with road roller of 6 to 9 tonne capacity etc. complete (tack coat to be paid for separately). With paving Asphalt grade VG-10 heated and then mixed with solvent at the rate of 70 grams per kg of asphalt.

Providing and laying seal coat of premixed fine aggregate (passing 2.36 mm and retained on 180 micron sieve) with bitumen using 128 kg of bitumen of grade VG-10 bitumen per cum of fine aggregate and 0.60 cum of fine aggregate per 100 sqm of road surface including rolling and finishing with road all complete.

Engaging Labour for clearance of Drain and Chocked culvert.

CARRIAGE OF MATERIALS By Mechanical Transport including loading, unloading and stacking

Carriage of Sand / Dust avg. lead of 22 km by MT

Carriage of stone aggregate below 40 mm nominal size avg. lead of 10 km by MT

Carriage of Earth/Mulba avg. lead of 03 km by MT

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