Mechanical Consulting & Maintenance
Pump repair, hydrotreater diagnostics, rotating-equipment reliability, and planned maintenance programs that keep heavy assets online.
Mechanical Consulting · Heavy Industry · South Africa
Precision Engineering.
Uncompromising Safety.
Unrivaled Scale.
Providing comprehensive mechanical consulting, heavy industrial maintenance, and specialized trade procurement for South Africa’s government entities, mining sectors, and petroleum infrastructure.
Our Commitment to Safety & Compliance
OHS Compliant
Strict adherence to Occupational Health & Safety regulations
HSSEQ Certified Training
Continuous workforce development and quality assurance
Working at Heights
Certified Fall Arrest and specialized altitude execution
Quality Assurance
Precision defect logging and risk mitigation
Mining & Resource Extraction
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Petroleum Refining (Engen)
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Public Works & Government Entities
Capabilities
What we bring to every site
HSSEQ & Process Safety
Fall-prevention training, root-cause analysis, and incident-prevention frameworks built for high-consequence refinery and mining environments.
Civil Construction & Forecourts
High-strength concrete containment slabs, DCP compaction testing, and heavy structural civil works.
Underground Tank Installations
End-to-end excavation, 110% volume bund walls, and precision pipework for commercial fuel infrastructure.
Fuel Infrastructure & Lube Systems
Comprehensive maintenance for petroleum pipelines, lubrication systems, and heavy-duty lift services.
Why GWS
Engineered for Compliance.
Every artisan who steps onto a GWS site has passed through our proprietary certification matrix — verifiable HSSEQ training, trade competency assessment, and site-induction records — before the first tool is lifted.
Access the training portalCertified before they step on site
- Verifiable trade credentials
- Fall-prevention & HSSEQ training records
- Root-cause analysis on every incident
- Client induction & compliance ready
Our Services
Comprehensive petrochemical, civil & maintenance services
Petrochemical Tank & Pump Installations
- Installation of Underground Storage Tanks (UST) and Above-Ground (A/G) tanks.
- Complete pipe work, syphon systems, and integrated BTF/farm tanks.
- Spill-proof containment sumps and construction of 110% volume bund walls.
- Forecourt electrical, P.O.S sleeving, and compressed air point installations.
Forecourt Civil Construction
- Precision cutting, breaking, and replacing of concrete to required standards.
- Casting of containment and forecourt concrete slabs.
- Uplifting and relaying of pavements, tiling, and building of islands/manholes.
- Compaction testing (DCP testing) and construction of heavy-duty crash barriers.
Equipment Maintenance & Technical Compliance
- Comprehensive proactive and reactive maintenance for petrol and diesel systems.
- Routine health, safety, security, and environment (HSSEQ) operational checks.
- 24/7 technical breakdown support and compliance testing.
Proof of Execution: Recent Projects
Complex UST Installation
Full excavation, 110% volume bund wall construction, and precision pipework for a commercial forecourt.
Timeline: 14 Days
Forecourt Slab & Pavement Relaying
Uplifting degraded pavement, DCP compaction testing, and pouring high-strength concrete containment slabs.
Timeline: 7 Days
Meet the Team
Our Leadership
Uhone Thathaisa
Director
Leads quality assurance, technical compliance, and enterprise systems, ensuring every engagement meets the highest regulatory and operational standards.
Kevin Williams
Operations Management
Directs field operations and heavy infrastructure maintenance, delivering dependable execution across forecourt and industrial sites.