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| 1 | Material & Labour for repair to pot holes any depth not exc 1.00 Sqm each including sweeping free from dust and mud or water. Scoring sunken surfaces in road, cutting around edges to at least 25mm in depth, making good byby filling in screened and graded road metal, watering and well ramming (including supply of road metal) complete all as specified and as directed.. |
| 2 | Scarifying or picking gravelled macadam or bitumenous macadam road surfaces (exceeding 50mm but not exccding 100mm deep) in area not exceeding 400 Sqm including removal of gravel from site ) complete all as specified and as directed.. |
| 3 | Preparing black topped surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat of paving bitumen VG 30 Grade @ 10.00 Kg per 10 Sqm mannualy or with mechanical sprayer complete all as specified and as directed. |
| 4 | Providing, laying and compaction of Bituminous Macadam (BM)50mm thickness compacted thicknessconforming to clause 504 ofMORTH Specifications for Road and Bridge Works (Fifth Revision), using mechanically crushed stone aggregates and granual material etc. of grading II as per Table 500-7 of MORTH specifications for Road and Bridge Works (Fifth Revision), premixed with bituminous binder, Bitumen grade VG-30 @ 4.0% (percentage by weight of total mix) prepared in Batch Type Hot Mix Plant of 100 - 120 TPH capacity transported to site by tippers, laid over a previously prepared surface with paver finisher equiped with electronic sensor to the required grade, level and alignment and rolling with smooth wheeled, vibratory and tandem rollers as per specifications to achieve the desiredcompaction and density complete all as specified and as directed.Note : (i)The contractor shall quote the rate against item considering 3.5% VG-30 bitumen content.Mix Design for bituminous macadam shall be got designed from NIT / CTL / Govt Engg College and shall be got approved from GE in writing well before commencement of work without any financial effect to the department.Also the bitumen content shall not be less than 4.0% by weight of total mix as per clause 504.2.4 of MORTH specifications (Fifth Revision).(ii) If qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs. 45.00 Per Kg and if qty of binder contents is more than the qty as specified in respective items of BOQ no adjustment shall be made. |
| 5 | Providing and laying 30 mm thick (consolidated thickness) Bituminous Concrete (BC) layer conforming to clause 507 of MORTH specifications for road and bridge work (Fifth Revision) including cost of coarse aggregates, fine aggregates, filler, 5.5% binder (paving bitumen grade VG-30) content by weight of total mix and crushed aggregates of grading 2, Anti Stripping Agent, Warm Mix Additives (quantity, quality and grade as per the approved Job Mix Formula) etc, cleaning and pre-heating of themineralaggregate, filler and bitumen to the specific temperature, thoroughly mixing with binder ofspecifiedbitumen content, Anti Stripping Agent, Warm Mix Additives as per mix design in Hot Mix Plant (Batch Type) of 100 - 120 TPH capacity, carrying the hot mixed materials by means of tipper, trucks, or any other approved and suitable arrangements, laying the hot premixed materials over the prepared surface by means of paver finisher including manual operation as and when required for proper grade, level and camber thorough rolling with power roller 8 to 12 tonnes smooth wheeled, vibratory and tandem roller with necessary hand packing and pinning to give an even surface including running expense of all plants and machineries, inclusive of proper traffic control during laying to the satisfaction of Engineer in Charge, required quality control tests at required interval etc complete all as specified and as directed. |
| 6 | Note : (i)The contractor shall quote the rate against items considering 5.5% VG-30 bitumen content.Job mix formula as per clause No 505.3.3 of MORTH Specifications for Road and Bridge work (Fifth Revision) for bituminous concrete shall be got designed from NIT / CTL / Govt Engg College and shall be got approved from GE in writing well before commencement of work without any financial effect to the department.Also the bitumen content shall not be less than 5.4% by weight of total mix as per clause 507.2.5 of MORTH specifications (Fifth Revision). (ii) The cost of materials, transportation, Job Mis Formula from lab and testing charges for various tests as required are included in the unit rate quoted by the contractor. (iii)Cost of filler i.e rock dust, hydrated lime or cement is deemedto be included in unit rate. (iv) If qty of binder contents is less than the qty as specified in respective items of BOQ, it shall be adjusted at supply only rates of paving bitumen @ Rs. 45.00 Per Kg and if qty of binder contents is more than the qty as specified in respective items of BOQ no adjustment shall be made. (v) After spreading of mix as per clause 507.4.7 of MORTH Specifications entire surface during the operation shall be rolled with road roller 8 - 10 tonnes (Smooth Wheeled) followed with vibratory road roller of 8 - 10 tonnes static weight, followed by finish rolling with 6 to 8 tonnes smooth sheeled tandem roller as per clause No 507.4.8 of MORTH Specifications (Fifth Revision) and the cost of the same shall be deemed to be included in the quoted rate. |
| 7 | Preparing black topped existing surfaces by brushing with wire brushes for removing caked mud etc, sweeping with brooms and finally fanning the cleaned surface with gunny bags to remove all loose dirt etc and applying evenly a priming / tack coat of paving bitumen VG 30 Grade @ 5.00 Kg per 10 Sqm mannualy or with mechanical sprayer complete all as specified and as directed. |
