What noise reduction measures will be used and how are they determined?
Given the limited amount of available right-of-way in the project area, noise abatement, where warranted, will best be achieved though the use of noise walls. These walls are generally constructed of concrete and textured and colored with patterns and stains approved by the majority of benefited property owners. Walls are an average of 10 to 16 feet high with a maximum of 20 feet and will usually yield a 5 to 10 decibel decrease in sound. The two relevant criteria that are considered when evaluating noise abatement measures are feasibility and reasonableness. Feasibility deals primarily with engineering considerations (i.e. can a substantial noise reduction be achieved given the conditions of a specific location). A proposed noise barrier which cannot achieve a minimum of 5 decibels of reduction is generally not considered feasible. Reasonableness is a more subjective criterion and is based on a number of factors. Those include; the amount of noise reduction provided by a noise barrier
Given the limited amount of available right-of-way in the project area, noise abatement, where warranted, will best be achieved though the use of noise walls. These walls are generally constructed of concrete and textured and colored with patterns and stains approved by the majority of benefited property owners. Walls are an average of 10 to 16 feet high with a maximum of 20 feet and will usually yield a 5 to 10 decibel decrease in sound. The two relevant criteria that are considered when evaluating noise abatement measures are feasibility and reasonableness. Feasibility deals primarily with engineering considerations (i.e. can a substantial noise reduction be achieved given the conditions of a specific location). A proposed noise barrier which cannot achieve a minimum of 5 decibels of reduction is generally not considered feasible. Reasonableness is a more subjective criterion and is based on a number of factors. Those include; the amount of noise reduction provided by a noise barrier
