Multi-frequency alarms address noise pollutionProblem: Baker Rock Resources, an asphalt and aggregate business based in Beaverton, Ore., fields many projects from the Oregon Department of Transportation (ODOT). During a night paving job in 2013, due to noise concerns, ODOT asked them to disable the reversing alarms on their trucks in favor of a team of spotters, a move that Baker felt placed its employees at greater risk of injury in the reduced light.Solution: The company swapped its traditional “beep-beep-beep” reversing alarms with softer Multi-Frequency Alarms (MFA) from ECCO Safety Group. Because their sound dissipates more quickly than pure tone alarms,
