Projects

CLIENT: SANRAL Southern Region

LOCATION: Makhanda (previously Grahamstown), Eastern Cape

TYPE OF CONTRACT: Professional Engineering and Project Management Services (EPCM)

 

Scope of Services Provided:

• Pavement Investigation and assessment of remaining life.
• Engineering Design of rehabilitation and upgrade measures.
• Cost Estimating and Procurement.
• Contract Administration.
• Construction Monitoring.

 

Project Description:

The 70km length of National Route R67 Section 2 in this project extends northwards from the N2/R67 intersection outside Grahamstown (km 0) to the R67/R63 intersection outside Fort Beaufort (km 70.7). The narrow single carriageway road required pavement rehabilitation and widening to improve safety, along with drainage improvements.

Features:

Major elements of the contract were:

• Drainage upgrades, including new subsoil drains, cleaning, shaping and trimming of existing earth drains, and construction of concrete lined drains.
• Pavement repairs, including edge break repairs, repairs of distressed areas by milling and replacement with new asphalt, and base patching with emulsion treated G2.
• Base repairs to longer lengths with widespread distress by means of insitu recycling and construction of an emulsion treated base (ETB).
• Safety improvements to existing intersections along the route.
• Construction of a bitumen treated base (BTB) through the Ecca Pass.
• Widening of the existing roadway from 6.6m to 8m by means of recycling the existing shoulders, with additional G2 material and bitumen emulsion to provide an emulsion treated base (ETB).
• Resurfacing of 550 000 m2 of carriageway with a 14/7 mm double seal.
• Resurfacing of 90 000 m2 of carriageway with a 20/10 mm double seal.
• Replacement of bridge joints.
• Guardrails, line marking and roadstuds.
• Employment of 22 local subcontractors on various parts of the works.

 

Project Value: R218 million Completion Date: April 2019