Ordinance 15- noise Flashcards
sound pressure level in decibels as measured with a sound level meter using A-weighting network
A weighted sound level
unit of measurement for sound
dB(a)
sound that is measured by a slow-response setting a meter manufactured to the specifications
continuous airborne sound
daytime hours
8am-10pm
unit of measuring the amplitude of sound, equal to 20 times the logarithm to the base 10 of the ratio of the pressure of the sound measured to the reference pressure, which is 20 micropascals
decibel
short duration which an abrupt onset and rapid decay
impulsive sound
night time hours
10pm to 8am
this is any sound which disturbs a reasonable person of normal facilities, exceeds the sound level limits, plainly audible
noise disturbance
no violation shall exist if the only persons exposed to sound levels in excess are
trespassers, invitation onto private property by person causing sound, employment by person causing sound
max sound levels for residential and commercial
residential day 61, night 55
commercial day 66, night 60
no person shall own, possess, or harbor an animal or bird that howls, barks, meows, squawks, or makes other sound that
- create noise disturbance over residential real property boundaries
- frequent or continued over 10 or more consecutive minutes
- intermittent for 30 minutes period
no construction during what times
9pm to 6 am
testing a stationary emergency signal shall not occur when?
between 7pm to 7am the following day
testing stationary emergency signaling device shall use only what time and not exceed what?
minimum cycle time
60 seconds
testing a complete emergency signaling system shall not occur more than how many times in a calendar month?
one time