A Global Endeavor to Communicate Fire Knowledge



Reading an L-Curve

The L-Curve The L-Curve Method is fun. After all, each building already has its own Fire Risk whether it is drawn on a curve or not. Each building is a combination of spaces (Rooms) and barriers. This combination gives an advantage.

For Spaces (Rooms), there is a technique for evaluating the Fire Risk of a Space (EB to LR). For Barriers, there also is a separate technique for evaluating the Fire Risk of a Barrier (LR to LB). The next space uses the Space Technique, the next barrier uses the Barrier Technique, and so forth. At the end we see the total Fire Risk to the Building (LT).

The L-Curve Methodology accounts for everything. Will one sprinkler covered by a plastic bag make a difference? How much? Will a strike by the Fire Service have any effect? How much? Where?

When conditions change in a room, the LR point moves up to a Higher Risk or down to a Lower Risk at the Room size. The current Computer-Aided Fire (CAFire) models assist human experience here in generating any point on the L-Curve as required. Any change in conditions inside the building causing the L-Curve to move will also cause the LT point to move up or down at the Building size.

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