The New Carriageway
Courtesy of City Property
A new carriageway is being constructed in Krugersdorp (Gauteng Province) to benefit the flow of traffic through this area during and after the World Cup 2010. Time was of essence in that the client’s brief explicitly required that a dual carriageway be functional in time for the sporting event. By 28 May 2010, one new carriageway and an existing one will be in operation and a new bridge over the N14 highway will be functional.
Additionally, the brief required that the ongoing construction programme be implemented such that at all times the traffic is accommodated with minor disruptions and no full occupation of the road reserve on K29. This has been achieved by accommodating traffic on the existing road as construction of the new carriageway is undertaken. After the World Cup, traffic will be moved to the new carriageway, while work begins on the existing carriageway.
Aphane Consulting were appointed as the project managers and have been involved from inception, design and implementation of the project. All designs were done by Aphane with the exception of the bridge, which was subcontracted to ARUP. Project Specifications
Project involves the construction of a four-lane dual carriageway along the Provincial Road
The project involves the construction of a four-lane dual carriageway along the Provincial Road P103-2 (K29) between the provincial freeway N14 and Road K31 (Lanseria Airport), which is located within the Krugersdrop District of Gauteng Province.
Project details This involves construction of an additional bridge over the N14 and related access ramps between N14 and K29, construction of five intersections for access roads along K29, which include two surfaced access roads and nine gravel access roads, 8 taxi lay-byes (bus stops) and a 5km long concrete pavement for pedestrian walkway and cyclist lane along K29.
Road standards of the existing road were inferior to the new standard which must conform to GAUTRANS standards from both vertical and horizontal alignments. The design endeavoured to ensure optimal use of existing materials by balancing ‘cuts and fills’ as much as possible.
Benefits
Upon completion there will be many benefits served through the construction of this project including improved mobility catering for increasing traffic volumes; increased safety for pedestrians and other non-mechanised transportation; reduced road user costs incurred from improved riding quality of the new road; improved accesses to properties around the area; and skills transfer via training of local SMMEs and labourers during the construction phase.
Project Team
Client: GAUTRANS
Consultant: Aphane Consultanting
Bridge Design and Engineer: ARUP
Contracts Manager: Roadcrete Africa
