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
how many days in advance will a request for a noise permit need to be requested
atleast 10 days in advance of event
how many days does the manager have to grant the noise permit
no less than three days in advance
noise permits for entertainment are granted when
- function open to public
- function takes place on public property (no more than 6 permits for a particular space per calendar year)
- permit granted for only 4 hours in 24 hour period or reasonable extension
- permit granted between hours of 9am and 12am weekdays 9am to 1am fri sat
- limited to continuous airborne sound level not to exceed 70 dba
recurring events and special permits should not occur more than how many times per year
4
frats/sororities receive how many sound level permits per year and when do they fall?
5 and 3 fall on the last saturdays of fall and spring rush and saturday or homecoming, two additional dates need to be submitted to manager before sept 30th
What should be used on the microphone at all times when using a sound level meter
windscreen
How many feet from the ground, ceiling, wall, floow, etc should the measurement be made?
3 feet
reasons why a commercial property would need to be posted
business is generally unattended
two or more citations for violation
how many minutes after the noise warning is considered uncorrected or unabated in reference to animals
more than 10 minutes