Africa

The Cape Town office, founded in 1991, has extensive experience in the analysis and design of slurry pipeline and mine backfill systems, and offers the full range of engineering services through to detailed design, construction support and commissioning.

The adjoining 1200 m2 Slurry Test Facility includes large scale slurry pump and pipeline test loops of up to 300 mm in diameter, viscometers, thickening and filtration test facilities, UCS test machines, a backfill and slurry materials characterisation laboratory, as well as specialised Pilot Plant facilities.

Our capabilities also include the optimisation of our clients’ existing operations through on-site process audits and pilot investigations that lead to process improvements. We oversee plant upgrades and retrofits and offer on-site construction management and commissioning services. The office also provides a key point of contact for our local clients and represents the full range of services offered by the Cape Town office.

Management Team

Cape Town, South Africa
Angus Paterson

Pr Eng, BSc Eng (Civil), MSc Eng, PhD

Dr. Angus Paterson is the managing director of the Cape Town office of Paterson & Cooke, having founded the company together with Dr. Robert Cooke in 1991. Angus has been directly involved in analysis and design of slurry transport systems since 1987 and has worked on long distance slurry pipelines, underground paste and backfill distribution systems and numerous conventional, thickened and paste tailings disposal systems.
Angus Paterson


Graeme Johnson

Pr Eng, BSc Eng (Mech)

Graeme, a company director, has worked extensively in the mining, contracting and consulting fields and has particular experience in the design, installation, construction and commissioning of water and slurry pipeline systems. He joined Paterson & Cooke, Cape Town in January 1997.
Graeme Johnson


Peter Goosen

Pr Eng, BSc Eng (Civil), MSc Eng

Peter joined Paterson & Cooke in 1993 and has since been involved in a wide variety of slurry pipeline related projects. Initially responsible for managing all slurry related laboratory work at the Cape Town laboratories he later gained extensive design experience through projects ranging from high-level studies to detailed design, construction and commissioning phases. Peter is responsible for overseeing hydraulic design and development of slurry related hydraulic design capability. He is a director of the Company.
Peter Goosen


Julian Rusconi

Pr Eng, BSc Eng (Mech), MBL

Julian is an experienced engineering manager. He held key positions at various manufacturers of industrial automated machinery and worked for Dow Chemical before joining Paterson & Cooke in 2005 where he currently manages the engineering of major slurry pipeline projects.
Julian Rusconi


Malcolm Keevy

Pr Eng, BSc Eng (Mech)

Malcolm has worked for Paterson & Cooke since 2001, primarily in the Cape Town office, but with a three-year assignment to the Denver office. He has over fifteen years’ experience in slurry transportation applications and has been involved in a range of slurry projects, from conceptual studies through to detailed design, construction and commissioning.
Malcolm Keevy


Dawood Wepener

Pr Eng, BSc Eng (Mech)

Dawood worked for Turgis Consulting for 4 years and Harmony Gold Mining Company for 5 years before joining Paterson & Cooke in July 2006. Key areas of expertise include: Hydraulic design of pump and piping systems, Design, selection and specification of mechanical equipment, Project management, Feasibility studies, Pipe stress analysis and Transient flow analysis.
Dawood Wepener


Carl Zietsman

Pr Eng, BEng (Mech), MBA

Carl completed his undergraduate degree in mechanical engineering at the University of Stellenbosch in 2004. He joined Paterson & Cooke in 2008 and is currently holds a position of senior mechanical engineer, specialising in the design of slurry pumping systems as well as project and engineering management.
Carl Zietsman


Bruno Salvoldi

Pr Eng, BSc Eng (Civil), MSc Eng (Civil)

Bruno completed his undergraduate degree in Civil Engineering at the University of Cape Town and continued his studies at a postgraduate level in materials technology and structural engineering. He joined Paterson & Cooke at the beginning of 2011, where he works as a senior engineer specialising in hydraulics, particle and cement technology, mine backfill and pipe stress and support systems design.
Bruno Salvoldi


James Wickens

Pr Tech Eng, BTech (Mech. Eng)

James joined Paterson & Cooke in July 2006 as a mechanical engineer in training and is currently the manager of the Cape Town slurry testing laboratory. James has extensive experience with on-site commissioning as well as test work for slurry and mine backfill systems. His key areas of interest include large scale pipe loop tests, rheological analysis, pilot plant testing, viscometer tests and backfill related test work.
James Wickens


Nicholas Marchand

NC Multi-Disciplinary Draughtsman

Nicholas graduated from the College of Cape Town in 2010 and went on to gain experience in mechanical and structural draughting at various companies before joining the Paterson & Cooke Drawing office as a Graduate Draughtsperson in August 2011. In 2016 he was promoted to Project Draughtsperson and in 2019 to Drawing Office Manager.
Nicholas Marchand

Plants & Products, South Africa
Fritz van Sittert

Pr Tech, BTech Eng (Civil), MTech

Fritz is a director of Plants & Products. He completed his BTech (cum laude) degree in 1995 and received his MTech (cum laude) in 1999 for novel research done on the turbulent flow of non-Newtonian slurries in rough pipes. He has been with Paterson & Cooke since 1998.

Fritz van Sittert