Mining

Aveng Grinaker-LTA is a world leader in the shaft sinking and access development market, with the ability to sink and equip both vertical and decline shafts through all types of rock formations. Capabilities include fabrication, construction, automation and maintenance of process plants.  The company has the technical expertise and resources to deliver multi-disciplinary projects that include design work, civil works and mechanical mining.  It provides turnkey solutions and strives to deliver exceptional value to its clients, in a safe and sustainable manner while upholding highest quality in all projects that are undertaken.

A highly skilled team of professionals maintain a large plant fleet and employ innovative technologies to build specialised equipment when required. Aveng Grinaker-LTA construction services are supported by flexible construction operating systems as well as an extensive fleet of company owned cranes, plant and equipment. The company’s substantial fleet of cranes range from 25 tons handling cranes to a 400 tons crawler. This capacity gives Aveng Grinaker-LTA the edge in providing clients with cost-effective mining solutions.

Project Management and Design

With project management and design capabilities, Aveng Grinaker-LTA is geared at providing a design function that includes:  

  • Conceptual studies relating to shaft design, shaft sinking and infrastructural services
  • Specialist pre-feasibility and feasibility studies for the above fields
  • Mine design for sinking of decline and vertical shafts, mine development, stoping, surface and underground infrastructure
  • Shaft and shaft furnishing including conveyor belt systems
  • Draughting for mechanical, structural, piping, electrical and civil works
  • Management of external designers and co-ordinators

Shaft Sinking

Aveng Grinaker-LTA has the expertise to sink and equip shafts of various diameters ranging from shallow to ultra-deep equipped excavations and has sunk shafts in excess of 1,000m deep. 

Innovative and cost effective techniques are used in the execution of pre-shaft sinking as well as mechanised sinking to complete a fully lined and equipped shaft.  Aveng Grinaker-LTA’s capabilities include the manufacturing and installation of headgears and sinking stages.  In 2010, Aveng Grinaker-LTA supplied and erected the tallest steel headgear structure in the world (at the time) at the Konkola Copper Mine in Zambia.

Mechanised Mining and Access Development

The company is a recognised leader in the field of mechanised mining. 

The services include:  

  • Mine design and planning, specialist pre-feasibility and feasibility studies
  • Mining equipment and plant supply and maintenance
  • Underground infrastructure design and installation
  • Mechanised, semi-mechanised and conventional development and stoping

Aveng Grinaker-LTA has extensive experience in coal mining, encompassing board and pillar and long wall extraction methods as well as the expertise to undertake any metalliferous mining venture, from conception to execution and completion.

Civil Works

With a skilled workforce and knowledge gained over the years, Aveng Grinaker-LTA has the expertise to undertake any mining civil construction work. 

The areas of operation include:  

  • Underground mining civil works
  • Specialised surface civil works
  • Opencast mining infrastructure
  • Civil engineering, tunnelling and geotechnical works

Automation

Aveng Grinaker-LTA is capable of supplying and supporting field devices and systems that measure and control process plants. The Group has qualified and well trained engineers who have extensive plant experience and knowledge of client needs in the industry.

Aveng Grinaker-LTA takes pride in the products and services it provides in the field of Process Control Instrumentation. The offering includes control and measurement products, specialised training, after sales service and technical support.

The company represents Emerson Process Management in Southern and Eastern Africa. Emerson Process Management is a global supplier of Process Control Equipment including control valves, regulators, transmitters, analysers, process automation systems, control software and services.

Fabrication

Aveng Grinaker-LTA provides an integrated service comprising structural steel design and detailing, procurement, fabrication and painting of heavy, medium and lightweight structures and platework, including autofab girders, chutes, bins, ducting and shop assembled tanks.

The Group owns 65 000m2 under cover fabrication facility and this is situated in Vanderbijlpark. The facility boasts production capacity in the order of 4 000 tons per month and is equipped with state-of-the-art equipment that consists of CNC drilling and punching lines, automatic welding machines, in-house shot blasting and painting facilities and a range of overhead cranes and other equipment able to lift up to 70 tons.

Construction

The company has experience in installation of structural steel, ducting, platework, piping and associated mechanical equipment. It has the capability to install instrumentation as well as erect electrical equipment, cable trays and cable pulling. 

Aveng Grinaker-LTA’s services are enhanced by an electrical and instrumentation workshop which specialises in custom-made low-voltage distribution panels, PLC and Scada cabinets for project specific applications.
The workshop facilities consist of:

  • A sheet-metal workshop (700m²) equipped with a TRUMPF Laser profiling machine, AMADA NC-machine, bending brake and excellent welding equipment.
  • A powder coating plant (190m²) with pre-heat tanks, oven and wet spray booth.
  • An electrical and instrumentation workshop (660m²) furnished with high-quality tools and test equipment to ensure high-quality workmanship.

The drawing office makes use of Auto-Cad 2011 with the latest Inverter software, allowing the facility to design and develop custom products to meet the client’s specific requirements.

Aveng Grinaker-LTA has been involved in the initial development and rehabilitation operations for mines across a range of sizes and it has played an integral part in the success of numerous mines in southern Africa. The Group has the internal competencies through its various business units to respond to client needs for the development of a range of initial infrastructure operations including, but not limited to, access roads, pollution control dams, drag lines, structures and camps. Through the range of projects that Aveng Grinaker-LTA has been involved in, it has built the ability to offer innovative and client tailored solutions, as well as ensuring that all operations are conducted to the highest quality and safety standards.