Can South Africa's coastal infrastructure survive corrosion?

South Africa has a coastline of over 2,850 kilometres and an extensive, complex and vastly expensive infrastructure has developed along the coast over the past 100 years. This ranges from luxury houses at coastal holiday resorts and quaint villages, to rail and industrial infrastructure in the form of warehouses, cranes, electrical pylons and structural steel. The bulk of this hugely costly infrastructure is concentrated up the west coast at Saldanha Bay, around Cape Town, along the Garden Route, at smaller cities such Port Elizabeth and East London, around the Durban metropolis and at the Richards Bay coal terminal.
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