|
| 1 | Earthwork in excavation of foundation of structure as per drawing and technical specification, including setting out, construction of shoring and bracing, removal of stumps and other deleterious matter, dressing of sides and bottom, backfilling the excavation earth to the extent required and utilising the remainging earth locally for road work - by mechanical means - depth upto 3m (Ordinary soil) |
| 2 | Supplying and filling with gravel (excluding rock) in trenches, plinth, sides of foundations etc . In layers not exceeding 20 cm in depth consolidating each deposited layers by ramming and watering etc .complete including all lead and lift |
| 3 | Construction of granular sub-base by providing close graded material, mixing in a mechanical mix plant at OMC, carriage of mixed material to work site, spreading in uniform layer with motor grader on prepared surface and compacting with vibratory power roller to achieve the desired density, complete as per clause 401of MoRTH specification, 4th Revision - by plant mix method for grading I material. |
| 4 | Providing, laying, spreading and compacting graded stone aggregate to wet mix macadam specification including premixing the material with water at OMC in mechanical mix plant carriage of mixed material by tipper to site, laying in uniform layers with paver in sub-base / base course on well prepared surface and compacting with vibratory roller to achieve the desired density - Using vibratory roller. (As per MoRTH specification, 4th Revision) |
| 5 | Providing and applying primer coat with bitumen emulsion on prepared surface of granular base including clearing of road surface and spraying primer at the rate of 0.60 kg/sqm using mechanical means. (As per MoRTH specification, 4th Revision) |
| 6 | Providing and laying dense graded bituminous macadam with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminouse binder @ 4.0 to 4.5 per cent by weight of total mix and filler, tranporting 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 achive the desired compaction as per Clause 507 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II materials. |
| 7 | Providing and applying tack coat with bitumen emulsion using emulsion pressure distributor at the rate of 0.20 kg. per sqm. On the prepared bituminous / granular surface cleaned with mechanical broom. (As per MoRTH specification, 4th Revision) |
| 8 | Providing and laying bituminous concrete with HMP of capacity not less than 40 to 60 TPH using crushed aggregates of specified grading, premixed with bituminous binder @ 5.4 to 5.6 percent of mix and filler, transporting the hot mix to work site, laying with a hydrostatic paver finisher with sensorcontrol to the required grade, level and alignment, rolling with smooth wheeled, vibratory and tandem rollers to achieve thedesired compaction as per clause 509 of MoRTH specification, 4th Revision, complete in all respects - Using grade-II material.-Bitumen -VG30 |
| 9 | Providing and laying of hot applied thermoplastic compound 2.5mm thick including reflectorising glass beads @ 250 gms per sqm area, thickness of 2.5mm is exclusive of surface applied glass beads as per IRC:35. The finished surface to be level, uniform and free from streaks and holes. |
| 10 | Providing and fixing of 3M make reflective road studs of category ‘A’ raised pavement markers made out poly carbonate/ABS moulded body and reflective panels with retro reflective micro prismatic tough poly carbonatelens capable of providing total internal reflection of the light entering the lens face with retro reflecting and chromaticity values conforming to ASTM D4280. The reflective raised pavement makers shall also confirm the length, height and width of the body shall not be less than 100mm, 15mm and 90mm and base of marker shall be flat within 1.3mm (3M equivalent).The marker shall withstand a load of 13635 kg tested in accordance with ASTM D4280.Lenses shall be moulded of Polycarbonate or methyl methacrylate conforming ASTM D788.The area of each retro reflectory surface shall not be less than13.0Sq.cm the slope or retro-reflecting surface shall be 35+5 degree to base.Each reflector shall have a CIL not less than 20mm diameter and not less than values specified in table 1 of said MoRTH circular and two cylindrical polymer shanks not less than 20mm diameter and not less than 30mm length shall be provided for better anchorage with bituminous grout or epoxy mortor all as per the letter MoRTH circular letter No.223/SE-II dt.10.11.21 |
| 11 | Providing and applying tackcoat on the prepared surface, heating bitumen in boiler and spraying the bitumen with sprayset fitted on bitumen boiler - on black topped surfacebitumen @ 5kg/10sqm. |
