Partially supply and construction of 42km of 66km single circuit sub-transmission line on steel monopoles structures between Vryheid Substation and Riviersonderend Substation. The project involved the construction of a 42km single circuit 66kV line, which included the construction of  foundations , the erection of monopoles and tension stringing of conductor and OPGW  between Vryheid Substation (Near Swellendam) and Riviersondered in the Western Cape.  The works also included the demolishing of the existing 36m long Swellendam 66kV Feeder.