Instructor : Personnel Escape Devices
John Greenfield has qualified as an instructor with Donut International Ltd :
On – Personnel Escape Devices.
The emergency escape devices are light weight, portable and a easy to use means of decent from height.
The system was designed and developed for the oil & gas industery after the Piper Alpha tragedy. The device has different applications including self rescue from high rise buildings.
The devices can also be used to lower injured parties to safety using the units own harness or a stretcher.