Name of Work: Renewal work by SDBC in Km 1 to 9 and 18 to 20 in Vijaynagar-Taila motor road (MDR) under Annual Repair 2023-24
Sl. No.
Item Description
1
Maintenance of Earhen shoulder (stripping of excess soil) Stripping excess soil from the shoulder surface to achieve the approved level and compacting with plate compactor at OMC as per drawings and Technical Specification Clause 1903
2
Maintenance of Drains- The maintenance of drains include erosion, repair, clearing, cleaning, reshaping, regrading, deepening of side drains as well as catch water drains as per technical specification Clause 1907.
3
Providing, laying, spreading and compacting stone aggregates of specific sizes to water bound macadam specification including spreading in uniform thickness, hand packing, rolling with three wheel 80-100 kN static roller in stages to proper grade and camber, applying and brooming, crushable screening to fill-up the interstices of coarse aggregate, watering and compacting to the required density Grading 3 as per Technical Specification Clause 405. By Machanical Means
4
Providing and applying tack coat with Bitumen emulsion (RS-1) using emulsion distributor at the rate of 0.25 to 0.30 kg per sqm on the prepared dry and hungry bituminous surface cleaned with Hydraulic broom as per Technical Specification Clause 503.
5
Providing and laying bituminous macadam with hot mix plant using crushed aggregates of grading as per Table 500.4 premixed with bituminous binder, transported to site upto a lead of 1000 m laid over a previously prepared surface with paver finisher to the required grade, level and alignment and rolled to achieve the desired compaction as per Technical Specification Clause 504. (Bitumen VG-10 @ 3.3% of the weight of mix has been used for analysis purpose. The choice of bitumen will depend upon the prevailing site conditions and shall be in accordance with Clause 504 of MORD)
6
Providing and laying Semi Dense Bituminous Concrete with the use of batch typeHMP producing an average output of 75 tonnes per hour using crushed aggregatesof specified grading, premixed with bituminous binder and filler, transporting the hotmix to work site, laying with a hydrostatic paver finisher with sensor control to therequired grade, level and alignment, rolling with smooth wheeled, vibratory andtandem rollers to achieve the desired compaction as per MoRTH specificationclause No. 508 complete in all respects Grading II - 10mm using VG - 10 bitumen (bituminous binder @ 5 % of mix)
7
Providing and laying of hot applied thermoplastic compound of ISI Mark Approved Quality of 2.5 mm thick including reflectorising glass beads @ 250 gms per sqm area, as per IRC:35 .The finished surface to be level, uniform and free from streaks and holes.
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