Blast Log Limited

Training

Blast Log Ltd provides practical, industry based training that can be customised to the specific needs of the client.

Training can be seminar based for a large group of people, workshop based for a more practical, 'hands on' approach or one to one training if required.

Training areas

Topics include:

Environmental effects of blasting

Understanding the potential effects of blast induced ground vibration, air overpressure, fly rock and fumes
The effects of vibration and air overpressure on buildings and other structures
Acceptable levels of vibration for buildings and people
Acceptable levels of air overpressure
Good practise techniques for vibration, air overpressure, fly rock and fumes

Seismograph (blast monitor) training

How to correctly setup and use seismographs for vibration and air overpressure monitoring
Understanding seismograph monitoring parameters including trigger levels and recording duration
Understanding the results and how to report them
The pitfalls associated with seismographs including incorrect seismograph setup and geophone (transducer) mounting
Specific training relating to White Mini-Seis seismographs and their use with White Seismograph Analysis software

Vibration analysis techniques

Understanding scaled distance regression analysis and how it applies to vibration results
Vibration prediction and charge weight determination for blast design

Previous example

Northumberland Mineral Planning Authority one day seminar

The Blast Log team delivered an informative one day seminar on the environmental impacts of blasting tailored to the requirements of mineral planners.

Topics included:

Predicting vibration levels
Designing a blast to comply with vibration limits
A thorough understanding of vibration results collected from test blasts versus production blasts
The importance of having a comprehensive monitoring scheme
A 'hands on' blast vibration workshop using regression model spreadsheets
The control of air overpressure
Understanding fly rock projection and clearance distance for equipment and personnel