11 July 2019

Bosch Projects – a member of the Bosch
Holdings group of multi-disciplinary consulting engineering companies has recently completed (in
February 2019) a R32-million bulk sewer infrastructure project, south of Durban,
for the eThekwini Water and Sanitation Division.

Bosch Projects was
appointed to carry out multi-disciplinary designs, implementation and construction
management for the Malukazi Bulk Sewer Infrastructure Scheme (a sub-project of
the Provision of Water
and Sanitation Services to Human Settlements – Sanitation Phase 3).

The Bulk Sewer Scheme included the construction
of bulk sewer gravity mains, a sewer pumpstation, sewer rising main and 20№
communal ablution facilities, with associated water and sewer reticulation,
connecting into the adjacent Lower Malukazi Phase 1 catchment.

Apart from the civil design and
electrical and mechanical components, Bosch Projects was also responsible for
the important co-ordination management of sub-specialists, including mechanical,
ventilation, fire, geotechnical, electrical, roads and earthing contractors,”
says project manager,
Manditha Jamuna, Bosch Projects. “This project, which commenced
in August 2016, created employment within the community and now provides a
basic level of service of sanitation and water to the previously unserviced

“Despite numerous
challenges affecting the continuity of work, including business forums,
community unrest and political pressure in the area, the project was completed
within budget and to the highest quality standards.”

Civil design for this
project encompassed the pumpstation design review, the design of a temporary pumpstation,
bulk and reticulation sewer infrastructure, roads and stormwater rehabilitation
and the environmental management of water course. Electrical and Mechanical
components included pump and associated pipework design, ventilation design,
lighting and electrical supply, lightning protection and telemetry.


Another challenge of this
project included construction of the pumpstation, in excessive ground water
conditions. The base of the concrete superstructure of the pumpstation was
partially completed in a previous phase of the Sanitation Project. Excessive
ground water ingress needed to be controlled and managed by continuous pumping
out of the 18m deep excavation during construction. Geotechnical intervention was
required, to ensure stability of the excavated area.

Complexity of the project
was increased as a temporary pumpstation – designed to service communal ablution facilities in the
interim – was operational during construction of the main pumpstation. The
temporary pumpstation was then converted into the overflow chamber of the

Bosch Projects offers solutions throughout southern Africa,
in diverse sectors, including energy and industrial plants, water and
wastewater, roads, land and building developments, as well as sugar and
agriculture, ports and terminals.

These services include project and construction management;
programme management – management of multiple linked projects; procurement and
contract services; risk management; quality assurance and projects control,
including cost and schedule management.


Bosch Projects team

From left, Manditha
Jamuna (crouching), behind her are Sibusisiwe Nxumalo, Carl Nel and Phumzile

For further information Manditha Jamuna,Engineer:
Water/Wastewater, Bosch Projects

1 Holwood
Park, 5 Canegate Road, La Lucia Ridge Office Estate, 4320

2009, Durban, 4000, South Africa
Tel (Direct): +27 (0) 31 535 6071

Tel (Switchboard):
+27 (0) 31 535 6000
Tel (Mobile): +27 (0) 72 280 7440

Fax: +27 (0)86 465 4428
E-mail: [email protected]


Released by Lindy Morton, Festivitas
083 268 6666  [email protected]                             

July 2019

Read the latest issue

Latest Issue