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75D - PH ZONING ORD AND CUP CALIFORNIA PALMS
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75D - PH ZONING ORD AND CUP CALIFORNIA PALMS
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Last modified
1/3/2012 4:38:52 PM
Creation date
7/11/2007 1:42:24 PM
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City Clerk
Doc Type
Agenda Packet
Item #
75D
Date
7/16/2007
Destruction Year
2012
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2.3.2 California Noise Standards <br />Most jurisdictions in California utilize the A-weighted 24-hour CNEL noise exposure criterion not only as a <br />planning tool but require actual verification of dre ability to meet these standards as part of building plan approval <br />process. These criteria are based on compatibility standards established by Departmem of Health Services' (DHS) <br />Office of Noise Corrtrol and the U.S. Department of Housing and Urban Development (HLTD). <br />The Office of Noise Control has established land use compatibility criteria that serve as guidelines for assessing the <br />compatibility of differem types of land uses based on the existing community noise level. These guidelines include <br />specific exterior noise exposure standards for commercial, industrial, office, professional, and public recreation <br />~ land uses. The model guidelines are shown in Figure 1. <br />The denotation of a land use as "normally acceptable" implies that conventional constnrction that does not <br />incorporate any special acoustical treatment may be used. In general, evaluation of land uses that fall taro the <br />i "conditionally acceptable" or "normally unacceptable" ttoise environments should include consideration ofthe type <br />of noise sowces, the sensitivity of the noise receptor, the noise reduction likely to be provided by structures, and the <br />degree to which the noise source may interfere with speech, sleep, or other activities characteristic of land use. <br />The California Noise Insulation Standard, codified in Title 24, Part 2, Appendix Chapter 35, Section 3501 of the <br />CCR, sets specific limits on the interior noise exposure level within muhi-faznily residential developments and <br />noise insulation requirements though the common partitions separating differerrt dwelling units within a muhi- <br />family residemial developmem. Avery similar set of noise standards is also contained in the Appendix Chapter 12 <br />of the UBC, as adopted by the State and the City. The application of We California Noise Insulation Standard is <br />defined within it's scope as follows: "The purpose is to establish uniform minimum noise insulation performance <br />standards to protect persons within new hotels, motels, dormitories, long term care facilities, aparune~ houses, and <br />dwellings other than detached single-family dwellings fmm the effects of excessive noise." <br />In accordance with the California Noise Insulation Standard (Title 24), interior noise levels attributable to exterior <br />f noise sources shall not exceed 45 d$A in any habitable room. The noise metric shall be either the Day-Night <br />average Sound Level (Ldn) or the Community Noise Equivalent Level (CNEL), consistent with the noise element <br />of the local general plan, The Title 24 noise standard. is defined as the combined effect of all noise sources and is <br />! implemented when existing or future exterior noise levels exceed 60 dBA CNEL. <br />2.4 Eristing Setting <br />2.4.1 Field Measurements <br />The project site lies along the east side of Harbor Boulevard south McFadden Avenue. While the parcel is <br />cnrrenfly occupied by the California. Patens Motel and includes 207 units. The project is located in a commercial <br />area. A residential area is located to the immediate east of the facility and the facility buffers Harbor Boulevard <br />traffic noise from these residems. <br />To ascertain existing noise levels within the project area, field monitoring was conducted by Synedecology from <br />Wednesday, February, 16 to Thursday, February 17, 2005. The field survey noted that the project area is typical of <br />an urban area and most noise was due to road traffic along Harbor Boulevard. Aircraft noise is also common to the <br />area. <br />5 <br />75D-125 <br />
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