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�c3;'t::CtL �'��lCQ1�1E� <br />:�l7l:C} (_�arC(elc <br />The proposed emergency generator is to be located on a concrete equipment pad. The <br />nearest receiving property is approximately 90 feet west of the generator. The predicted <br />sound level at the nearest receiving property is shown in Table 2. <br />Table 2 <br />Predreted Noise Levels of Emergency Generator <br />at the Nearest Receivin Pro ert <br />�.� � . <br />Combined Sound Pressure Level at 23 ft. (dBA), Lp1 <br />Distance Factor (DF) <br />Inverse-Square Law (Free Fietd): DF = 201og �d1/d2) <br />New Equipment Sound Pressure Level at Receiver, Lpr <br />(Add lines 1 -21 <br />-11 <br />� <br />As shown in Table 2, the combined sound pressure level from the proposed emergency <br />generator at the nearest receiving property is 55 dBA, which meets the 60 dBA 15-�ninute <br />daytime code limit. No further mitigation is required to meet code. <br />Please contact us if you have any questions or require further information. <br />Sincerely, <br />�` <br />Joel Esselstrom <br />Senior Technician <br />tryc: <br />� <br />`Alan Burt <br />.4coustical Consultant <br />