oa Civil Engineering = Siviele Ingenieurswese - Complications of multi-channel hydraulic modelling a case study : the proposed upgrading of bridges across the Orange River near Keimoes by SANRAL
SANRAL (South African National Road Agency Limited) awarded a tender to BKS (Pty) Ltd for the design and implementation of the widening of the R27 bridges crossing the Orange and Sout Rivers (near Keimoes, as shown in Figure 1). Prof Fanie van Vuuren and Marco van Dijk from the University of Pretoria were commissioned to undertake a detailed hydrological and hydraulic assessment of the Orange River at the sites where the bridges near Keimoes had to be improved. The project involved the widening and possible raising of four single-lane structures near Keimoes to handle a design flood based on a specific recurrence interval.
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