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Terms Beginning with T

Tailgate Meeting

Tailgate meetings, also known as toolbox meetings are a brief meeting with workers on site which take place before work begins and again whenever work tasks or scope of work changes, or new hazards develop or are identified. They serve as an opportunity to remind all workers involved in a project of the potential hazards involved and the details around how to mitigate those hazards while completing their work. Tailgate meetings are a valuable opportunity to gather input from all workers on jobsite safety.

Terrain Assessment

The terrain assessment is a detailed risk analysis that relates directly to hazards and hazardous areas resulting from the topography, geology, flora and fauna of a work site. The Terrain assessment is used in the planning stages of a project to: Identify terrain suitable for access, and egress from the worksite, identify hazards and recommend risk management techniques and safe work procedures to mitigate these hazards, and to provide a broad scope incident response plan for the scope of the project. The highly trained professionals at Global Mountain Solutions create Terrain Assessments which are at or above the standards set forth by the International Association of Geophysical Contractors (IAGC) and Canadian Association of Geophysical Contractors (CAGC).

The terrain assessment is generally completed in three successive steps: First, in the planning stage an initial terrain assessment is conducted using Graphical Information Systems, climate data, satellite images  to identify areas of significant hazard and create a hazard map which highlights significant areas of elevated hazard. In this process the terrain is classified using both industrial and recreational scales and then mapped to provide a clear picture of the landscape and the hazards it presents.  The second phase consists of on the ground scouting and assessment which will outline general hazards, recommendations, and mitigation techniques for the scope of the project. In the third and final phase the information gained from terrain assessment is integrated into the job sites overall safe work plan, emergency response plan, and hazard mapping, being reviewed and updated as required as the work is completed on the jobsite.

See also: Terrain Classification.

Terrain Classification

Terrain classification is a way of ranking the relative level of hazard presented by a portion of terrain according to an established scale. GMS utilizes both recreational and industrial scales to classify terrain present on a jobsite to give the clearest picture of the hazard or technical difficulty that it will present based on the nature of the terrain and the customs of the locale. In this process regions of terrain or access/ egress routes are rated according to their hazard or technical difficulty.

Terrain is classified by experienced GMS mountain professionals according to the Canadian Association of Geophysical Contractors (CAGC) Terrain Operations Assessment Guidelines which utilizes a modified Yosemite Decimal System (YDS) to rank regions of terrain from  Class 1 (Flat terrain, Easy walking.)  to Class 6 (Mostly Vertical terrain where a fall could cause serious injury or death.) This Classification can then be translated or simplified to suit the needs of the project and aid in functional decision making, Hazard maps, and hazard mitigation strategies.

See also:Terrain Assessment. Yosemite Decimal System (YDS)

Common scales used to classify terrain are: The  , International French Adjectival System (IFAS), UIAA, Alaskan,

Transceiver (Avalanche)

Avalanche transceivers or avalanche beacons are  a specialized type of active radio specialized for the purpose of finding people or equipment buried under snow. Transceivers operate at 457 kHz and have the ability to both send and receive a signal. Transceivers are worn by the worker close to the body in a closed pocket or specialised harness and are left operating in the send mode whenever a worker is exposed to an avalanche hazard. These devices are a standard piece of safety equipment for anyone in avalanche terrain as they allow for the rapid location and rescue of a worker in an emergency when used in conjunction with a avalanche shovel and avalanche probe.

see also. avalanche shovel, avalanche probe.

Tower Rescue

Tower rescue involves the extrication of an injured or incapacitated worker from an elevated location on a tower or other similar structure. Techniques utilized for tower rescue are similar to those used to solve other vertical rescue systems employed in Rope Access rescue and Mountain Rescue. As always the emphasis is placed on worker and rescuer safety.

Tyrolean Traverse

A Tyrolean traverse is a type of high line used to transport people across horizontal spans on a tensioned rope. Used in rope access, mountaineering and rope rescue on a tyrolean traverse the worker is suspended below tensioned track lines and uses rope clamps to proceed across the traverse.