n Civil Engineering = Siviele Ingenieurswese - SAPPI Tugela treated effluent pipeline replacement – Mandeni - PPS-SAICE 2019 national awards - category : technical excellence

Volume 2019 Number 11
  • ISSN : 1021-2000


SAPPI’s Tugela Mill at Mandeni in KwaZulu-Natal required the construction of a new treated effluent pipeline adjacent to the existing pipeline, which needed to remain in operation during construction as it is essential for the operation of the mill. Adopting a conventional approach would entail the excavation and laying of the new pipe adjacent to the operational pipeline, and once completely installed, the treated effluent would then be conveyed via the new pipe. The project involved four road crossings and the main Mandeni Stream crossing.

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