Rehabilitating a critical airstrip

Rebuilding and extending the Rubkona gravel runway in South Sudan paved the way for larger-bodied fixed-wing transport aircraft servicing a humanitarian aid station and refugee camp for internally displaced people. Faced with a range of options, WSP Group Africa devised a value engineering approach that cut costs significantly and provided a lasting solution.


Each geocell panel measure 2.5 m x 10 m. Using on-site labour, these are stretched out and stitched together.


The sand stockpiles are back-tipped on-site and then the successive windrows are bladed into the cells using a grader.


Geocell establishment at an advanced stage of construction.


Applying the final 150 mm gravel wearing course.