A proposed additional 1000 mm diameter pipe in the Markman main sewer system, designed by waste water infrastructure experts AfriCoast Consulting Engineers, is set to dramatically improve the system and avert future potentially disastrous pipe bursts.
The existing sewage system between Markman and Fish Water Flats is considerably over capacitated and recent leaks in the sewage infrastructure from other pipes crossing the same river have meant ecological and health hazards for the Swartkops River estuary and surrounding communities.
AfriCoast project manager Gerrie van de Merwe said the R30-million augmentation will dramatically improve the flow and ensure longevity and sustainability of the system for many decades to come.
In January this year, after critical breaks on other sewers allowed a free flow of raw sewage and industrial waste into the river, the Swartkops River Trust issued a public plea for the redesign and replacement of the sewage infrastructure in Nelson Mandela Bay. Van de Merwe said plans for the augmentation had in fact been set in motion in 2008 but stalled due to funding prioritisation.
“The hydraulic capacity of the existing pipe is no longer sufficient to support demand on the line, which has increased dramatically over the past 25 years, as populations in the area have grown. The current length of 1 510 m of pipe carries all the