Thanks to a few nice friends in the industry, we were able to secure a copy of the recent notice that the City & County of Denver issued to all promoters for the 2014 Red Rocks concert season.

We have learned that these new decibel levels are in direct response to the surge in EDM shows hosted in Morrison, Colorado. Read the verbatim copy  of the new policy below & leave a comment with your thoughts!

// COPY OF RED ROCKS SPL POLICY //
We would like to notify you of new policies which will take place at Red Rocks Amphitheatre beginning January 1, 2014. If you have a contract for 2014, we will issue an amendment to include this language. Please make sure your acts/contacts are aware of these changes for the upcoming season.

Red Rocks Sound Pressure Level (SPL) and End Time Policy
Effective January 1, 2014 (all events commencing on or after January 1, 2014)

In order to reduce the sound level impacts on the neighboring residents from concerts being staged at Red Rocks Amphitheatre, the City and County of Denver is implementing the following policies on sound pressure levels (measured in decibel or dB levels) and event ending times. These policies will be included into each user agreement executed for the rental of Red Rocks Amphitheatre for performance events.

Sound Pressure Levels- measured at the fixed front of house mix position

The A-weighted Leq sound pressure level shall not exceed 105 dBA for 1 minute averages after 12:00 AM on weeknights and 1 AM on weekends/Holidays.

The flat (no weighting applied) Leq sound pressure levels shall not exceed 125 dB for the frequency range of 25-80 Hz for 1-minute averages after 12:00 AM on weeknights and 1 AM on weekends/Holidays.

The levels will be measured by equipment provided by the City and County of Denver located at the front-of-house mix position. The monitor will provide the sound engineer with data used to manage their sound pressure levels (SPL).
Violation Charge: $10,000 (for every 5 times (consecutive or non-consecutive) the 1-minute average exceeds the stated limits in a given day)

When violations occur, the City and County of Denver retains the right to take corrective action as needed including cutting power to the production.

Ending Times
Amplified outdoor performances at Red Rocks shall conclude no later than the following:

  • Weeknights (Sunday night-Thursday night): 12:30 AM
  • Weekends/Holidays (Friday and Saturday night and nights before holidays, July 3, night before Memorial Day and night before Labor Day): 1:30 AM

Violation Charge: $5000 for each ½ hour increment

When violations occur, the City and County of Denver retains the right to take corrective action as needed including cutting power to the production.

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