M Eng (Struct) I Pr Eng Director

Raimund has 30 years of experience in structural engineering, the vast majority in his chosen specialisation of bridges. In addition, he has been involved in civil, building, industrial, steel, earth retaining and water retaining structural works.
A particular area of specialisation lies in the interface between the structure and its foundation and together Raimund and Alan have developed a combined analysis approach that allows particular cost savings in this area.
Raimund has been involved in a number of award winning projects, including the Nelson Mandela bridge, and he is currently the director responsible for ARQ’s activities in the field of Bridges and Civil Structures.

M Eng (Struct) I Pr Eng Director

Gerhard du Plessis joined the Consulting Engineering firm Keeve Steyn in 1995 after a year on site with the Lesotho Highlands Water Project. He was responsible for the planning and design of several civil and commercial structures but became more involved in the design of bridges.  In 2004 he became a Technical Director and assumed responsibility for the Bridge Design Section in the Johannesburg head office. In 2008 he joined ARQ consulting engineers as a Director in the bridge department.
Gerhard has 17 years of structural design experience of which the majority was related to bridges. He has a strong interest in prestressed concrete design and performed his Masters dissertation on partially prestressed concrete elements.

ND Civil Engineering
Director

Strike is a Civil Engineering Technician with some 10 years experience. He joined the bridge team of ARQ in Aug 2002 and has become an important member of the team both as a construction supervisor and a CAD designer.

B Eng (Hons) I Pr Eng I C Eng
Associate: Engineer

Soon after graduating from the University of Pretoria in 1999, Tiaan left for the UK, where he spent several years developing a specialisation in the design and rehabilitation of bridges. Returning to South Africa, he continued in this field with ARQ and recently he was the bridge engineer for SANRAL’s bow string arch pedestrian and pipe feature bridge that crosses the N1 highway between Atterbury and Lynnwood roads.

B Tech (Struct Eng) I Pr Tech Eng Associate: Structural Technologist

Niekie has specialised in the field of structural design, of building structures, since joining ARQ in 1998. He designed various timber, structural masonry, reinforced concrete and structural steel structures. Projects involvement included office developments, shopping centres, hospitals, clinics, factories, hangars, industrial structures (mining environment) low cost housing, investigation and repair of structures, etc.
Niekie also designed various wet services and was involved in the foundation design of various low-cost housing developments. He was resident engineer on the development of various shopping centres, a laboratory and various office blocks, light industrial steel structures, etc.

N. Dip (Civil) I B Eng (Civil)
Engineer

After graduating in 2006 from the University of Stellenbosch, Dawie commenced work at ARQ Specialist Engineers, in their Bridge division. Since then, he has been involved in numerous structural designs for the improvements to National Road 1 Section 21 between the Flying Saucer (R21) and Atterbury Interchange – Package D3.
In 2008 he was appointed as Assistant Resident Engineer (Structures) for Improvements of National Route 1 Section 21 between the Atterbury Interchange and Scientia (N4) Interchange – Package D2. Currently he acts as Engineer in ARQ Structures division.

BSc Eng (Civil)
Engineer

Roger graduated from the University of the Witwatersrand in 2005 and immediately joined the civils division of Grinaker-LTA as a site engineer. He worked in this position on several medium to large civils projects some of which are listed below and gained significant experience in the implementation and management of these projects.
He then proceeded to join ARQ Consulting Engineers in 2008 and undertook the position of a structural engineer and has since been involved as a part of the design team in the Bridge Department designing a variety of structures but in particular reinforced concrete structures.
Roger has been instrumental in the design of the new RC bridge over Apies River at the Fountains Valley Resort, Pretoria. In the second half of 2010 Roger got involved in the starting up of a new civil engineering enterprise, trading as TRIMN, targeting small to medium sized construction projects providing turnkey solutions.

NH Dip (Civil Eng)
Associate: Senior Technician

Danie Viljoen is a Senior Technician in the Civil Structures department.  His experience entails planning, geometry, detailing of several prestressed and reinforced concrete structures, including incrementally launched bridge structures. He has also been involved in the planning and detailing of toll plaza, stadiums and water purification structures.

N. Dip Architecture
Associate: Senior Technician

Glen is a Senior Technician in the Civil Structures department with 17 years of experience. His experience entails planning, geometry, detailing of several prestressed and reinforced concrete structures, including bridges, dams, pipelines, building structures and foundations.

B Tech (Struct)
Technologist

Frank Mc Carthy started his career in 2008 with Umakho Consulting Structural & Civil Engineers where his responsibilities included reinforced concrete and structural steel, design and detailing as well as adhoc site supervision from the design office. In 2011 he joined ARQ consulting engineers as a Structural Technologist.

B Eng (Civil)
Engineer

Ryno Nel joined ARQ in 2006 as a bursary student and graduated at the University of Pretoria at the end of last year, having completed his Bachelors in Civil Engineering degree.  In his capacity as a student he had gained good experience in structural design at ARQ, the focus areas being structural steel and concrete

PhD I Pr Eng I C Eng I MSc I BSc Director

Quentin graduated in 1983 and has spent his career in the field of dams and hydropower.  His particular areas of specialisation are Roller Compacted Concrete and arch dams. Quentin is currently in charge of ARQ’s Dams & Hydropower activities.   
Quentin’s experience has included work on over 100 dams, up to 280m in height and in 25 countries. He has been involved in the design and construction of RCC dams in Turkey, Oman, Panama and South Africa, with over 2.5 million m3 placed to date. 
Quentin is a member of the SANCOLD committee and he serves on the ECSA committee for the approval of professionals for work on dams in South Africa. He has been a member of the Client’s expert review panel on 5 major projects to date.
Quentin has published more than 30 papers on various aspects of dam engineering and he authored the “Concrete Dam Engineering” Chapter of the UNESCO Encyclopaedia of Life Support Systems (2002) and the chapter on RCC for dams in the 9th edition of Fulton’s Concrete Technology (RSA 2009). His PhD thesis developed a new understanding of the early behaviour of RCC in dams.

B Eng (Hons) I Pr Eng Director

David Cameron-Ellis’ 20 years of post graduate experience has focused primarily on the design and rehabilitation of dams.  His experience extends from basic planning through to construction implementation. He has worked on numerous dam types, including earthfill, RCC, RMC and conventional concrete dams.
David has been involved in several hydro-electric projects with contributions ranging from design and management of small schemes to team member on larger ones. In addition, he has gained extensive experience in project management, the design of civil structures, such as reservoirs and bridges, and the design and implementation of civil engineering services projects, such as water and wastewater systems.

B Eng (Hons) I C Eng I Pr Eng Associate: Engineer

A civil engineer with 29 years of experience, Albert specialises in dams, large hydraulic works, remedial works, flood protection works, reservoirs, river flood studies and stormwater investigations.
He has over 10 years experience as a Project Manager with international multi disciplinary consultancies and has worked with hydrologists, hydraulic modellers, structural, mechanical, geotechnical and reservoir engineers, architects and environmentalists. 

M Tech I Pr Tech Eng Technologist

During Jan Swarts’s 26 years of post-diploma engineering experience, he has specialized in the field of dam engineering.
Of Jan’s engineering experience, 14 years (18 years part-time) relate directly to dams, during which time he has worked on aspects including planning, analysis, optimisation, design, specification and documentation, construction supervision and quality control, rehabilitation, hydrology and hydraulics on more than 21 dams.  Jan’s involvement to date specifically in RCC dams totals in excess of 11 years.
He has his Masters Degree in sedimentation in dams and has lectured the subject Principles of Dam Engineering at Tshwane University.

Pr Eng I B Eng (Hons)
Engineer

During her 7 years of post-graduate experience, Michelle has focussed on dam engineering, working on dams from 7 to 105 m in height. She has been involved in planning, detailed design and construction supervision for both new dams and rehabilitation work on existing structures.
Michelle has worked on aspects including foundation analysis and design, structural design, construction works design, materials and concrete and RCC quality control.
Over the past 5 years with ARQ, Michelle has been significantly involved in RCC dams, taking a specific interest in RCC materials.

Michelle is a registered professional engineer (ECSA) and to date she has presented 4 technical papers on dam foundation analysis and RCC dam engineering.  Michelle is a member of the SANCOLD Management Committee.

B Eng (Civil)
Engineer

Since graduating from the University of Stellenbosch in 2006, Robert has worked exclusively in the field of dams. He has been involved in RCC and RMC dams and has developed experience in various aspects of Finite Element analysis, including seismic and thermal studies on major dams.
Robert has co-authored two technical papers on dam engineering.

B Eng (Civil) (Cum laude)
Engineer

Dario has worked in the Dams and Hydro division of ARQ since his appointment in 2012, after graduating top of his class with a Bachelor’s Degree in Civil Engineering (cum laude) at the University of Pretoria, 2011.
To date, his work has included drafting and detailing on a number of projects, including Mukurumudzi Dam and Mukurumudzi Tailings Storage Facility.  He has been involved in the structural design of certain concrete elements on the aforementioned projects, as well as the compilation of surface modelling. He has also been involved with the stormwater design of the Kwale Mineral Sands process plant.

B Eng (Hons) I Pr Eng Director

David Cameron-Ellis currently heads ARQ’s Civil Department which handles all civil designs with expertise in township developments, roads and water and wastewater treatment and conveyance.
David’s experience ranges from implementation of water reticulation systems to bulk wastewater treatment facilities and outfall sewers and he has provided the civil design and construction monitoring for numerous township developments.  The feather in David’s civil engineering cap is his involvement in the regional wastewater system for the DD5A drainage district for the East Rand Water Care Company.  He was directly involved in this project from feasibility stage to commissioning. The project comprises a total of 23km of outfall sewers up to 1,8m in diameter and a 35Ml/d wastewater care works.  It was completed within budget for a total cost of R 175 million.