For the apartment building in Appendix B, identify U.S. Department of Housing (HUD) requirements for sound transmission class (STC). Use Table 23.9. Identify construction assemblies that meet these requirements.

Table 23.9

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Location Wall Assemblies Living unit to living unit, corridor or public space, average noise Living unit to public space and service areas, high noise Floor-Ceiling Assemblies Floor-ceiling separating living units from other living units, public space, or service areas Floor-ceiling separating living units from public space and service areas (high noise), including corridor floors over living units Minimum STC Requirement 45 50 45 50