The South African National Roads Agency SOC Limited (SANRAL)
CONTRACT NRA 004-010-2016/1:
FOR THE RESURFACING OF NATIONAL ROUTE N4 SECTION 1 FROM PROEFPLASS (KM 8.4) TO SOLOMON MAHLANGU INTERCHANGE (KM21.0 )
CONTRACT VALUE: R99,511,174.28
ESTIMATED FINAL CONTRACT VALUE: R135,101 372.04
COMMENCEMENT DATE: 26TH JULY 2017
Completion Date: 25th AUGUST 2018
Contact Period: 13 MONTHS
The project is located within the Gauteng Province and in the City of Tshwane Metropolitan Municipality. National Route N4 – 01 generally consists of a six-lane dual carriageway freeway which becomes a four-lane dual carriageway at approximately km16+ 00 near Simon Vermooten Interchange.
The roadworks entail the repair and resurfacing of:
- National route N4, section 01 from Proefplaas Interchange (km 08+40) to Solomon Mahlangu Interchange (km 21 + 100)
- Watermeyer Street on and off ramps.
- Watermeyer Street overpass.
- Rossouw Street on and off ramps.
- Rossouw Street underpass.
- Solomon Mahlangu Drive on and off ramps.
- Solomon Mahlangu Drive overpass.
- Meiring Naude Road overpass.
- Samson Crescent overpass
- Gordon Verster Road overpass.
- Libertas Avenue underpass: and
- Partial and full replacement of asphaltic plug type and steel type bridge joints.
The roadwork’s also include the widening of the south-to-west directional ramp of the Proefplaas Systems Interchange to make provision for a traffic monitoring systems test section SANRAL / CSIR / UP Transportation Research Centre, and also to provide access to the proposed facility
The Works Contract also includes the following ancillary roadwork’s:
- Road signs
- Road markings
SANRAL /CSIR / UP Transportation Research Centre Test Section.
SANRAL in association with the CSIR and the University of Pretoria is currently implementing the planning phase for the new Transportation Research Centre along the south-western quadrant of the Proefplaas Systems Interchange. Real – time testing of traffic monitoring systems will be conducted in future as part of SANRAL’s research at the center, and it therefore necessary for SANRAL to construct a roadway section upon which such testing can be conducted within a safe environment.
SANRAL has therefore identified the need to widen the south-to-west directional ramp of the Proefplaas Systems Interchange.