Our group provides a comprehensive set of qualified, skilled, and experienced services across all areas of expertise, giving us the ability to deliver turn-key solutions for projects from start to end.
When it comes to planning and operations, we distinguish ourselves by delivering safe projects that complies with the strictest legislative and safety procedures.
We provide a full range of open-pit/open-cast mining solutions, including:
We offer the full range of drill and blast services required for your project. All projects are fully managed by our experienced and qualified drill and blast explosives and blasting engineers.
A service to audit and quantify the full range of open-cast mining operational processes and parameters. We consider the required result defined for each mining project and compare the practices employed to the industry-specific standard, allowing us to provide insight into best practice attainable per project-specific requirements.
We utilise our trained and certified RPAS and ROC operating personnel for drone photography and videography projects, ranging from:
Incorporating rock blast-ability indexing and calculative formulae. Parameters design calculations are performed to produce optimal drill and blast parameters focused on providing blast results in accordance with fragmentation requirement defined per project.
Measuring and analysing rock faces for the purpose of identifying and designing geological and physical properties to ensure safe and effective blasting is performed for project-specific requirements. This includes ensuring that geological structures or potentially under-burdened face conditions are incorporated in drill and blast design to prevent undesired energy ejection from such areas of the blast face.
In instances where sensitive areas (i.e. communities and their structures) are identified prior to mining/blasting commencing at any project, we conduct photographic structural surveys/dilapidation studies. Every structure within a specified area is comprehensively inspected for structural anomalies (cracks) and each anomaly is recorded, described, photographed, and referenced in a comprehensive report.
Incorporating geological structures and properties of mining grades of material within a blast block/area. We design drill and blast parameters to ensure that valueless waste material in the mining process is not blasted directionally toward valuable ore material (resulting in dilution and grade loss of the ore material if not performed accurately).
This concept of avoiding waste/ore contamination from blasting operations provides our group of companies with focused expertise to ensure our mining operation teams are able to yield maximum productivity and efficiency.
Quantifying site- or project specific constants through performing iso-seismic studies and measuring the propagation and velocity of blast-induced shockwaves through the ground.
This provides an accurate and precise means of calculating predicted/anticipated ground vibration levels for blasting operations.
Defining the precise requirement for each blasting operation to be conducted, then designing, calculating, and quantifying the most suited solution to produce the results required per blasting project.
During the initial stages of mining we conduct seismic surveying where the response of the host rock to be blasted is quantified, specifically where mining is required to be conducted near potentially sensitive areas such as public housing or infrastructure.
Our process of seismic surveying effectively entails drilling and blasting a signature hole representative of typical operations to commence during the life of the project. We quantify the effect of such signature traces toward a range of distances to ensure the effect from blasting is characterised per project. This process can take weeks to months, depending on the geographical size and areas of impact neighbouring a project.
Drilling and blasting on a unique and project-specific basis. We employ every level of expertise in our structure to find the best solution for each drilling and blasting project. We include consulting for blast design and control required especially for drill and blast operations for projects such as:
Incorporating rock properties into drill and blast design parameters to ultimately ensure blasting is performed with consideration of the required and practically attainable results. We introduce a range of options pertaining to pre-split and buffer blasting, with priority focus on directing blast energy away from pit-walls and minimising fracturing and micro-fracturing toward wall control areas generally on the final pit perimeters of projects.
All explosives-related products that require any form of research and development practical assessment, verified through practical application of such projects on a range of projects where we have access to perform this service. Not all projects permit this experimental assessment as the potential of inferior results will impact a project severely. However, we devise means and methodologies to ensure the risk to any project is minimised whilst assisting in developing new and improved products to the benefit of the manufacturers and industry.
Assistance with all legislative and regulatory
processes throughout any phase of the mining
project, including but not limited to:
Email | info@a-4-g.com
Phone | +27 87 087 5300
Mobile | +27 63 693 6601
