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CHRISTOPHER JEAN & ASSOCIATES, INC.
ACOUSTICAL CONSULTING SERVICES
May 30, 2023
MR. JARROD SCHUSTER
SCHUSTER CONSTRUCTION
5003 Felicia Drive
Yorba Linda, California 92886
Business License: #BT30044674
SUBJECT: RESULTS OF ACOUSTICAL CERTIFICATION MEASUREMENT
FOR 1119 DOLPHIN TERRACE -- CITY OF NEWPORT BEACH
Dear Mr. Schuster:
We are pleased to inform you that the pool equipment installation located at 1119
Dolphin Terrace in the City of Newport Beach complies with the City's 55 dBA noise limit. No
additional noise mitigation is necessary.
The installation was measured on Tuesday, May 30, 2023, using a Larson Davis Model
700 Type 2 Sound Level Meter. The installation was observed to consist of two Pentair
Whisperflo pumps and a MasterTemp 400 heater, all located in a fenced surround along the left
property line. The measurement microphone was placed just beyond the top of the nearest
property line wall directly opposite the pool equipment. The measurement reported a level of 53
dBA with both pumps and the heater unit operating simultaneously. This level complies with the
City's 55 dBA noise limit.
Thank you, and if there are any questions, please do not hesitate to call.
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-~—F:'O.;BOX 2325
• FULLERTON, CALIFORNIA • 92837
PHONE: 714-805-0115