Project Description: The South African National Roads Agency SOC Limited (SANRAL): Periodic Maintenance of National Route 1 Section 17 from Westleigh (km 77.80) to Heuningspruit (km 101.30) = 23.6 km in total. This project is in the province of the Free State in the district municipality of Fezile Dabi and the local municipality of Moqhaka. The approximate duration is 18 months including 3 Months for the Mobilization Period.
Scope of Works:
- Surface Repairs: Milling of existing UTFC (25-30 mm) and The areas demonstrating surface failures will be milled to a depth of 50mm and
replaced with 50mm continuously graded asphalt. - Base Repair - Bitumen Stabilized Materials (BSM1): In situ recycled to a depth of 150mm to BSM1 quality(2% SS60 and 1% cement).
- Texture Slurry: A fine texture slurry should be applied to the entire carriageway once all surface and base repairs are completed.
- Surface Seal: A surface seal comprising a 20/7.1/7.1 split seal utilizing a S-E1 penetration binder.
ANCILLIARY ROAD WORKS:
- None-Structural Gabions
- Installation of Kilometers Marker
- Road Restraint Systems
- Road Signs
- Road Markings and Road Studs