GENERAL: The vibrating warning bell shall be Model G-6, by B&B Roadway, LLC, (888) 560-2060, or an approved equal meeting all specifications defined herein.
APPLICATIONS: The vibrating warning bell shall be used as an audible traffic signaling device to draw attention to the warning gate or traffic barrier and, thereby, to the bridge status.
HOUSING AND GENERAL CONSTRUCTION: The housing shall be of steel construction. Mounting shall be designed to enclose all wiring.
OPERATING VOLTAGE: Bell shall operate on 120VAC power [option: 24VAC, 12VDC, or 24VDC].
BELL SHELL: Bell shell shall be steel.
DECIBELS: Bell shall operate at 92 decibels at 10 feet with AC power and 90 decibels at 10 feet with DC power.