R505-4
Project Value: R 582 Million
Date Completed: June 2019
Project Brief & Key Features:
KBK was appointed by the South African National Road Agency SOC Ltd (SANRAL) for the design and construction supervision for the pavement repair and resurfacing of the R505 Section 4 between Wolmaransstad and Lichtenburg.
The project entails the pavement strengthening and resurfacing of approximately 91.3 km of a single carriageway road.
The project typically includes the following:
- In-situ strengthening of the existing pavement layers followed by the construction of new stabilised subbase layers, crushed stone base layers and asphalt surfacing layers.
- Pavement rehabilitation through the town of Ottosdal by constructing stabilised subbase, crushed stone base and asphalt surfacing layers;
- Safety improvements at intersections and formalisation of farm entrances;
- Construction of bridge parapets and repair of other bridge elements;
- Surface and subsurface drainage improvements, including extension of most culverts; and
- Repairs and improvements to ancillary works.