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| 1 | Scarifying the existing bituminous road surface to a depth of 50mm anddisposal of scarified material within all lifts and lead upto 1 km (by mechanical means |
| 2 | Laying, spreading and compacting stone aggregate of specified sizes toWBM specifications in uniform thickness, hand picking, rolling with 3 wheeled road / vibratory roller 8-10 tonne capacity in stages to propergrade and camber, applying and brooming requisite type of screening /binding material to fill up interstices of coarse aggregate, watering andcompacting to the required density |
| 3 | 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 mixplant, 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 8to 10 tonne capacity to achieve the desired density, complete as per specifications and directions of Engineer-in-Charge |
| 4 | Supplying and stacking at site Graded crushed stone aggregate |
| 5 | 63 mm to 45 mm |
| 6 | supplying and stacking at site stone screening of size 11.2 mm nominal size |
| 7 | Providing and laying bituminous macadam using crushed stone aggregates of specified grading premixed with bituminous binder, transported to site by tippers, laid over a previously prepared surface with paver finisherequipped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as perspecifications to achieve the desired compaction and density, complete as per specifications and directions of Engineer-in-Charge 50 to 100 mm average compacted thickness with bitumen of grade VG-10 @ 3.5% (percentage by weight of total mix) prepared in Drum Type Hot Mix Plant of 60-90 TPH capacity |
| 8 | supplying and stacking at site Good earth |
| 9 | Providing and applying tack coat using hot straight run bitumen of grade –VG-10, including heating the bitumen, spraying the bitumen withmechanically operated spray unit fitted on bitumen boiler, cleaning andpreparing the existing road surface as per specifications On W.B.M. @ 0.75 Kg/sqm. |
| 10 | 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 |
| 11 | Providing and laying seal coat of premixed fine aggregate (passing 2.36mm and retained on 180 micron sieve) with bitumen using 128 kg ofbitumen of grade VG-10 bitumen per cum of fine aggregate and 0.60 cumof fine aggregate per 100 sqm of road surface including rolling and finishing with road all complete |
| 12 | Drain/Slip clearanceIn soils; mixed with moorum/Kankar/shingle/boulders; disposal lead upto 50 m and lift upto 1.5 m. |
| 13 | Excavating, supplying and filling of local earth (including royalty)by mechanical transport upto a lead of 5 km also including ramming and watering of the earth inlayers not exceeding 20 cm in trenches, plinth, sides of foundation etc. complete. |
| 14 | Carriage of material from source to site of work by mechanical transport including loading /unloading and stacking complete. |
| 15 | Stone aggregate below 40 mm nominal size for an average distance 15 kms by M.T |
| 16 | Stone aggregate above 40 mm for an average distance of 15 kms by M.T |
| 17 | Good Earth for an average distance of 10 kms by M.T Please Enable Macros to View BoQ information |
