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Re: SPL metering, logging, alarmMaybe I'm misunderstanding but you seem to possibly be trying to address two related but different issues. Getting a consensus on what is deemed a discretionary 'appropriate' level seems a subjective determination by those involved and the discretionary aspect extends to both the acoustical descriptors used and the method by which they are measured. If the goal is simply to define some discretionary goal or limit then what that is and how it is measured is up to you and may or may not include referencing existing standards or other references. However, the moment you introduce references to hearing loss and any related standards you tend to introduce not only defined accepted practices that extend to the measurement tools and processes but may also introduce potential related liability issues.So if you want to be able to tell an instructor that you think they are too loud then how that is defined and documented seems totally up to you. However, if you want to address hearing losss and especially any references to related standards then you probably want to be sure that what you are doing and how you are doing it are as compliant with those standards as possible. If the Owners are not wanting to commit to the latter then it may be best to completely avoid the topic of hearing loss.
Re: SPL metering, logging, alarm
Maybe I'm misunderstanding but you seem to possibly be trying to address two related but different issues. Getting a consensus on what is deemed a discretionary 'appropriate' level seems a subjective determination by those involved and the discretionary aspect extends to both the acoustical descriptors used and the method by which they are measured. If the goal is simply to define some discretionary goal or limit then what that is and how it is measured is up to you and may or may not include referencing existing standards or other references. However, the moment you introduce references to hearing loss and any related standards you tend to introduce not only defined accepted practices that extend to the measurement tools and processes but may also introduce potential related liability issues.
So if you want to be able to tell an instructor that you think they are too loud then how that is defined and documented seems totally up to you. However, if you want to address hearing losss and especially any references to related standards then you probably want to be sure that what you are doing and how you are doing it are as compliant with those standards as possible. If the Owners are not wanting to commit to the latter then it may be best to completely avoid the topic of hearing loss.