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The first 30 feet (9 m) is the "Defensible Space Zone," of a defensible space around a structure. It is where vegetation is kept to a minimum combustible mass. A guideline used in this zone can be "low, lean and green." Trees should be kept to a minimum of 10 feet (3 m) from other trees to reduce risk of fire spread between trees.
To be eligible for a membership in the FireWise Communities Program, a community must verify susceptibility to wildfire by acquiring a wildfire risk assessment from the local fire department or forest service. Then, the community must form a firewise committee and action plan as well as contribute two dollars per capita toward firewise activities.
Fire safe councils are grassroots community-based organizations in California that share the objective of making communities less vulnerable to catastrophic wildfire.Fire safe councils accomplish this objective through education programs and projects such as shaded fuel breaks or firebreaks to protect area residents against an oncoming wildfire and to provide firefighters with a place to fight ...
Defensible space may refer to: Defensible space theory , a concept of influencing negative social behavior through architectural and urban design Defensible space (fire control) , referring to planning methods for prevention and control of fires
Newman started his academic career as the assistant professor at the Nova Scotia Technical College in Halifax (1961–1963), followed by a brief period at the University of Montreal (1963–1964) and moved on to the Washington University in St. Louis, where he started his work on defensible space principles of architecture as an associate professor of architecture, leaving university for New ...
The Power of 10 Rules were created in 2006 by Gerard J. Holzmann of the NASA/JPL Laboratory for Reliable Software. [1] The rules are intended to eliminate certain C coding practices which make code difficult to review or statically analyze.
Defensible space design tools were observed to be marginally effective in institutional and commercial settings. As a result, Newman and others moved to improve defensible space, adding CPTED-based features. They also deemphasized less effective aspects of defensible space. Contributions to the advance of CPTED in the 1980s included:
The flight termination system cracks open the port-side solid rocket booster of Space Shuttle Challenger, ending its errant flight following the loss of its mothership. This was the first and only time it was ever activated in a NASA-controlled human space-launch.