Horizontal Directional Drilling (HDD)
and Trenchless Construction Specialists
Rolkon Construction is a specialist Horizontal Directional Drilling (HDD) and trenchless contractor delivering underground infrastructure solutions across South Africa.
Established in 2011 as KwaZulu-Natal’s first HDD company, Rolkon provides trenchless construction services for projects where conventional trenching is too disruptive, too risky, or simply not practical. We partner with municipalities, developers, consulting engineers, contractors, and parastatals to deliver water, sewer, stormwater, electrical, fibre, gas, and pipeline rehabilitation projects.
With more than 50 years of combined team experience, we combine technical expertise, precision machinery, and specialist technology to manage projects “from scan to sleeve” – from technical input and route planning through to execution and project close-out.
Guided by our ethos of “Leave no site unresolved,” our focus is on reducing disruption, minimising risk, and delivering underground infrastructure with precision, accountability, and lasting value.
Rocky Herman
Owner / Operator
Rocky Herrmann’s experience lies in technical analysis, leading multi-disciplinary teams, and developing creative solutions across complex public transport, urban design, infrastructure, and private sector projects.
With a strong background in planning-led infrastructure delivery, Rocky has helped position Rolkon as one of South Africa’s trusted Horizontal Directional Drilling (HDD) and trenchless construction specialists. Since taking ownership of the business in 2020, he has remained deeply involved in every aspect of Rolkon’s operations, from project strategy and planning to delivery and client relationships.
Rocky’s leadership style combines technical precision with practical problem-solving, helping Rolkon build a strong reputation for delivery in challenging underground infrastructure environments.
He holds a BSc Honours Degree in Applied Science (Transportation Planning) from the University of Pretoria, a Bachelor of Technology Degree from the Durban University of Technology, and a National Diploma from Technikon Natal. Rocky is also a registered Professional Technologist with the Engineering Council of South Africa (ECSA).
Email: rocky.herrmann@rolkon.co.za
Stembiso Luthuli
Shareholder Manager
Sthembiso (Sthe) Luthuli leads Rolkon’s operational team with precision, accountability, and a hands-on leadership approach that has become central to the company’s delivery culture.
As Operations Manager and shareholder, Sthe ensures every rig is correctly crewed, every plan is clearly understood, and every project is approached with practical problem-solving and professionalism.
Whether managing high-pressure night shifts, complex underground crossings, or remote-access pipeline installations, Sthe’s team is known for arriving prepared and delivering consistently.
His journey within Rolkon reflects one of the company’s core values: empowering from within. Starting in underground scanning and drill preparation, Sthe developed a strong technical understanding of subsurface conditions and service detection, a critical component of successful trenchless construction.
With a Project Management Diploma and extensive operational experience across HDD and underground infrastructure projects, his people skills, leadership style, and technical understanding continue to play a key role in Rolkon’s growth and project delivery success.
Email: projects@rolkon.co.za
Nana Gcaba
Director
Nana Gcaba plays a strategic leadership role in guiding Rolkon’s growth, sustainability, and long-term competitiveness within the trenchless construction sector.
With extensive entrepreneurial and business management experience across multiple industries, Nana brings strong commercial insight and a practical approach to business development, operational growth, and client diversification.
Her focus on strengthening internal capability, investing in people, and building long-term partnerships continues to support Rolkon’s expansion across South Africa.
In addition to her role at Rolkon, Nana owns and operates specialist cement manufacturing businesses supplying major hardware and construction sectors.
Email: nangcaba@rolkon.co.za
SAFETY & ENVIRONMENT
Safety and environmental responsibility are built into every stage of Rolkon’s trenchless construction process.
By minimising excavation and surface disruption, trenchless methods reduce the impact on surrounding communities, infrastructure, traffic flow, and environmentally sensitive areas such as wetlands, rail corridors, roads, and built environments.
Rolkon’s approach includes:
- Ground Penetrating Radar (GPR) scanning and route planning before drilling begins.
- Full PPE, signage, barricading, and site safety procedures.
- Daily toolbox talks and ongoing safety checks.
- Reduced dust, noise, traffic disruption, and C.O₂ emissions.
- Minimal surface damage and reduced reinstatement requirements.
Trenchless construction also reduces many of the risks associated with traditional excavation, including trench collapse, open excavations, and extensive traffic diversions.
SUPPLIERS & PARTNERS
Rolkon works with a team of reputable service providers and suppliers who enable the team to ensure each site is resolved with a focus on quality and customer satisfaction.
Trailer Sol
Provides the CCTV requirements on our rigs and machinery.
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BLOC Contractors
Our pipe-jacking specialists.
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KZN BCF
Our truck body gurus.
visit website
Rho-Tech
Supplying our high-quality HDPE pipes.
visit website
PEOPLE, PROCESS & RESPONSIBILITY
Rolkon is an owner-run trenchless construction company focused on practical delivery, skilled people, and long-term industry growth.
Established in 2011 as KwaZulu-Natal’s first HDD company, Rolkon has built its reputation through planning-led delivery, experienced crews, and a strong culture of accountability on site.
As a Level 2 B-BBEE contributor and 70% Black female-owned business, Rolkon remains committed to meaningful transformation and internal growth through apprenticeship programmes, skills development, and leadership opportunities across management, drilling, scanning, and operations.
We believe successful trenchless construction is not just about machinery but about people, process, and responsibility.
From Ground Penetrating Radar (GPR) scanning and drill planning to execution and reporting, every project is approached with a focus on reducing disruption, minimising rework, and delivering infrastructure with precision and accountability.