High Rise Escape Systems uses a Controlled Descent Device (CDD) that adjusts to the user’s weight and lets them descent at a rate of approximately 1 to 1.5 metres per second.

Fire safety, at its most basic, is based upon the principleof keeping fuel sources and ignition sources separate.

You may have a mechanical ground, but do you have an electrical ground?

A fire extinguisher is an active fire protection device used to extinguish or control small fires, often in emergency situations. It is not intended for use on an out-of-control fire, such as one which has reached the ceiling, endangers the user (i.e. no escape route, smoke, explosion hazard, etc.),...

IAFF produced about IAFF 1710

About NFPA - Part 1