[SML] Outside entities managing campus building and dB limits

Dale Farmer dale at cybercom.net
Thu Oct 15 10:51:42 UTC 2015


and in today's WOOT, they have a bunch of meters for sale, including a 
dB meter.
   --Dale

On 10/14/2015 4:10 PM, John McAfee wrote:
> The theater has, to the contractor’s credit, been very well
> sound-proofed, such that a student DJ in the theater (I make DJ’s use
> their own equipment) cannot be heard in the lobby or any other space, so
> my concern is mostly for patrons and equipment.  I was looking at mid
> 90’s.  The enforcement provisions are going to be an issue, but I’m
> trying to get some backup on it.
>
> Thanks
>> On Oct 14, 2015, at 3:33 PM, Dale Farmer <dale at cybercom.net
>> <mailto:dale at cybercom.net>> wrote:
>>
>> Well, as a data point, temporary hearing loss starts at 84 dBa, and
>> permanent hearing loss starts at 104 dBa.  These assume 8 hour
>> exposure per day, five days per week.   Immediate permanent hearing
>> damage starts somewhere around 110 dBa, I forget exactly.
>>
>> Also what kind of noise ordinances exist in your city or town?  How
>> far away are the nearest residences or any other noise sensitive
>> things like recording studios or research labs?
>>
>> Generally I have seen limits of 90s inside and mid 70s outside the
>> building or at the property line.  Often these limits drop later at
>> night, around 10pm.
>>
>> Also recall that OSHA noise exposure limits only apply to employees
>> and employee-like persons.  I.e. volunteer ushers, subcontractors,
>>  and so on.  They do not apply to the paying customers.  Your laws may
>> vary.
>> Don't forget enforcement provisions.  These can be as mild as not
>> allowing that exhibitor back again.   They assume all liability for
>> fines and lawsuits from noise.  You can add your own fines in the
>> rental contract.  You can insert a recording dB meter inside the venue
>> to put a limiter on your main amps or to cut sound power if it goes
>> far enough over the limit.
>>
>> Dale
>>
>>
>>
>> Sent from my Verizon Wireless 4G LTE smartphone
>>
>>
>> -------- Original message --------
>> From: John McAfee via Stagecraft <stagecraft at theatrical.net
>> <mailto:stagecraft at theatrical.net>>
>> Date: 10/14/2015 15:07 (GMT-05:00)
>> To: Stagecraft Mailing List <stagecraft at theatrical.net
>> <mailto:stagecraft at theatrical.net>>
>> Cc: John McAfee <jrpmcafee at gmail.com <mailto:jrpmcafee at gmail.com>>
>> Subject: [SML] Outside entities managing campus building and dB limits
>>
>> I know that there has been a discussion of dB limits for rentals, but
>> I can’t find it in my archive.  What do people generally put in as limits?
>>
>> Also our university is currently discussing a contract for the state
>> Parks and Planning to bring in and run all non-academic events with
>> revenue split.  Has anyone had their school do something like this?
>> Any advice?  Will it be as much of a cluster-jam as I expect it to be?
>>
>> Thanks,
>> John
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