A model known as stopping sight distance is used by where civil engineers to design roadways. This simple model estimates the distance a driver needs in order S = stopping sight distance (ft) V = initial speed (ft/s) to stop his car while traveling at a certain speed after detecting a hazard. The model proposed by the g = acceleration due to gravity, 32.2 ft/s² American Association of State Highway Officials (AASHO) is given by f= coefficient of friction between tires and roadway G = grade of road V2 T = driver reaction time (s) S = 2g(f± G) + TV %3D

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A:

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Hazard Analysis and Design in Chemical Engineering

Hazard is the intrinsic property of a material or process which harms the people, buildings, or environment. Health, safety, hazard, risk assessment, loss prevention, and environmental consideration play an important role while designing a chemical processing plant. Hazard is often confused with risk. Risk measures the magnitude of loss and injury of likelihood incidents or the consequence and frequency of incidents.