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// CODE SNIPPET

5.507.4.1.1 Noise Exposure Where Noise Contours Are Not Readily Available

California Green Building Standards Code 2019 > 5 Nonresidential Mandatory Measures > 5.507 Environmental Comfort > 5.507.4 Acoustical Control > 5.507.4.1 Exterior Noise Transmission, Prescriptive Method > 5.507.4.1.1 Noise Exposure Where Noise Contours Are Not Readily Available
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Buildings exposed to a noise level of 65 dB Leq-1-hr during any hour of operation shall have building, addition or alteration exterior wall and roof-ceiling assemblies exposed to the noise source meeting a composite STC rating of at least 45 (or OITC 35), with exterior windows of a minimum STC of 40 (or OITC 30).

Related Code Sections


5.507.4.1.1 Nonresidential Mandatory Measures, Noise Exposure Where Noise Contours Are Not Readily Available
Buildings exposed to a noise level of 65 dB L eq -1-hr during any hour of operation shall have building, addition or alteration exterior wall ...
California Green Building Standards Code 2019 > 5 Nonresidential Mandatory Measures > 5.507 Environmental Comfort > 5.507.4 Acoustical Control > 5.507.4.1 Exterior Noise Transmission, Prescriptive Method > 5.507.4.1.1 Noise Exposure Where Noise Contours Are Not Readily Available
5.507.4.1.1 Nonresidential Mandatory Measures, Noise Exposure Where Noise Contours Are Not Readily Available
Buildings exposed to a noise level of 65 dB L eq -1-hr during any hour of operation shall have building, addition or alteration exterior wall ...
California Green Building Standards Code 2016 > 5 Nonresidential Mandatory Measures > 5.507 Environmental Comfort > 5.507.4 Acoustical Control > 5.507.4.1 Exterior Noise Transmission, Prescriptive Method > 5.507.4.1.1 Noise Exposure Where Noise Contours Are Not Readily Available
1224.19.1 Interior Environment, Impact Noises
Recreation rooms, exercise rooms, equipment rooms and similar spaces where impact noises may be generated, shall not be located directly over ...
California Building Code 2016 (Vol 1 & 2) > 12 Interior Environment > 1224 [OSHPD 1] Hospitals > 1224.4 General Construction > 1224.4.19 Noise Control > 1224.19.1 Impact Noises
1224.4.19.1 Interior Environment, Impact Noises
Recreation rooms, exercise rooms, equipment rooms and similar spaces where impact noises may be generated, shall not be located directly over patient ...
California Building Code 2019 (Vol 1 & 2) > 12 Interior Environment > 1224 [OSHPD 1] Hospitals > 1224.4 General Construction > 1224.4.19 Noise Control > 1224.4.19.1 Impact Noises
1224.4.19 Interior Environment, Noise Control
in ASTM 90 and ASTM 413. Where partitions do not extend to the structure above, sound transmission through ceilings and composite STC performance shall ...
California Building Code 2019 (Vol 1 & 2) > 12 Interior Environment > 1224 [OSHPD 1] Hospitals > 1224.4 General Construction > 1224.4.19 Noise Control
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