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Engineering design for bulk services for Sibaya Precinct in KZN

SMEC South Africa has been appointed by Tongaat Hulett Developments (THD) to conduct the engineering design for the bulk services for the Sibaya Precinct in KwaZulu-Natal.

Sibaya Precinct is a mixed-use residential development on the north coast of Durban, sprawling over 1 000 ha of coastal landscape. It includes a coastal dune forest conservancy and wetland rehabilitation, with about 75 km of paths, boardwalks and trails planned.

Situated directly west and south-west of the coastal town of uMdloti, the precinct will be confined by the uMdloti estuary to the north, uMdloti Town and the ocean to the east, the uMhlanga estuary to the south, and the N2 to the west.

The Sibaya Forest Reserve forms part of one of the largest pristine dune forests in South Africa, outside of the iSimangaliso Wetland Park.

The precinct will consist of seven different nodes, to be developed in a phased manner. Development of Node 1 commenced mid-2016. Sibaya Casino will be situated centrally within the precinct, with additional areas earmarked for commercial development.

New bulk services are being constructed that will service both the new and existing developments. The existing Waterloo Reservoir will also need to be upgraded. However, this is only anticipated to be necessary following Node 4.

“We conducted water modelling for Sibaya Precinct, including the demands from future developments in the area such as THD’s Cornubia North and Mount Moreland South,” SMEC South Africa Project Director Etienne Viljoen explains.


SMEC South Africa Project Director, Etienne Viljoen

Construction has commenced on the 700-mm-diameter steel bulk water main (about 3.6 km long), and the 355-mm-diameter trunk sewer main to service Node 1. The latter gravitates from the Sibaya traffic circle on the M4 tying into the existing 450-mm-diameter trunk sewer main (about 2.1 km long).

“We are responsible for site supervision services as well,” SMEC South Africa Project Manager Siebren du Plessis highlights. The design of the 600 mm gravity trunk sewer main and the upgrade to the Sibaya Sewer Pump Station is underway, with construction dependent on the demand for the second phase (Node 4), adds Engineer Terence O’ Flaherty.

SMEC South Africa has also been appointed to conduct the preliminary engineering services report for the Environmental Impact Assessment for Node 4 and the Sibaya ForestEstate.

Node 4 is situated between the N2 and the M4, bordered to the north by the M27 and to south by Sibaya Drive. It will comprise residential, mixed-use residential, commercial, and education facilities. Here SMEC South Africa will carry out the engineering design for the civil services, including roads, stormwater, sewer and water reticulation.

The Sibaya Forest Reserve forms part of one of the largest pristine dune forests in South Africa, outside of the iSimangaliso Wetland Park. Here visitors will be able to enjoy the scenery by accessing boardwalks through the forest.

The reserve will include a visitor centre, restaurant, treehouse view point, and a boutique spa. SMEC South Africa is providing engineering input into the civil services such as water, sewer, stormwater and access.

About SMEC South Africa
SMEC is a global consulting engineering firm providing high-quality, professional services on major infrastructure projects. SMEC has joined forces with Surbana Jurong, Asia’s consultancy powerhouse in the urban, infrastructure and management advisory sectors. This partnership provides a talent pool of 10 000 dedicated people working across a network of 100 offices in 40 countries throughout Asia, Australasia, the Middle East, Africa and the Americas. SMEC’s strength in major infrastructure projects, coupled with Surbana Jurong’s expertise in urban planning, industrial development and management advisory services, enables us to provide critical value-chain services to clients around the world.


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