§ 20.32.110. Sound attenuation.

Latest version.

Sound attenuation in all wall and floor-to-ceiling assemblies abutting other dwelling units, or hallways shall be required to meet a minimum Sound Transmission Class (STC) of forty-nine (49) as defined in Uniform Building Code Standard No. 35.1 and ASTM Standard E-413 "Determination of Sound Transmission Class". (Field tested data may be substituted for the STC specifications to validate STC forty-nine (49) ratings.) Common walls where plumbing facilities or built-in facilities preclude reasonably feasible upgrading to STC forty-nine (49) shall be excepted.

(Ord. C-5975 § 1 (part), 1983)

                    
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