Detonator magazine separation distances in AS2187.1

This table shows separation distances

Tacit knowledge refers to the knowledge, skills, and abilities an individual gains through experience that is often difficult to put into words or otherwise communicate.

Examples of tacit knowledge include:

 - Drill and blast engineers understanding of the relationship between short holes and hard dig.

 - Drill supervisors ability to optimise drill movements on the bench

 - Drillers ability to deal with soft and broken ground

The tag board records all personnel in an active mining area.

The tag board is used to confirm mine evacuations and blasting clearances.

Tamping is the act of ramming the loaded column with a wooden or plastic tamping stick. This has the effect of increasing the diameter of packaged explosives and the amount of explosives that can be fitted into the blast hole.

Note that any packaged explosives containing a detonator (the primer) must not be tamped

The act of consolidating stemming material or pressing explosive cartridge in a drill hole.

Moving in a straight line, away from a curve.

The technical data sheet (TDS) for an explosive typically contains information about the following:

• Description: Physical description of the product, including dimensions and mass where applicable.
• Safety and Sensitivity: Guidelines for storage, handling and use.
• Application and Compatibility: What they are designed to do and what other systems and products are suitable for use with the product.
• Recommendations for use: How the product should be loaded and fired.
• Packaging: Case counts, box sizes etc.
• Storage Requirements: Magazine, shelf life.

Note for health and safety information the Material Safety Data Sheet provides comprehensive information.

Throw or heave is the amount of projection or movement of the rock mass from in-situ to final position.

ThrowMAX is a Heavy ANFO supplied by Downer Blasting Services.