Construction World May 2023

ROADS AND BRIDGES

Much of the success of the project thus far can be attributed to excellent dynamics between the engineering and contracting teams.

Entrusted with the Pavement Management System for Bakwena Platinum Corridor Concessionaire, JG Afrika is helping to maintain the N1/N4 Toll Road to the high-quality standards specified in the concession contract. By Emma Day, Executive Associate at JG Afrika. JG AFRIKA ASSISTS IN MAINTAINING THE N1/N4 TOLL ROAD FOR BAKWENA PLATINUM CORRIDOR CONCESSIONAIRE

A s part of this responsibility, JG Afrika and principal contractor, G4 Civils, are rehabilitating a 20 km section of the slow lane of the N4 between Kameeldrift Interchange and Ga-Rankuwa Interchange. JG Afrika commenced with the engineering design in 2020 and is now overseeing the construction works which commenced in late in 2021 with the project mobilisation period. G4 Civils started with the construction work on the project

in January 2022 and is expected to complete the work scope in August 2023. Having already completed about 60% of the scope of works, G4 has already made steady progress on this contract. The scope of work entails milling the existing surfacing, base, subbase, and a portion of the selected layer. The base and surfacing layers are milled to a depth of 205 mm and width of 3,7 m and stockpiled for reuse. The subbase and a portion of the selected layer are milled to a depth of 510 mm and width of

The scope of work entails milling the existing surfacing, base, subbase, and a portion of the selected layer.

26 CONSTRUCTION WORLD MAY 2023