2024 HCA Design Guidelines

D5 Acoustics

D5.01

Acoustics Section Summary Acoustic design is critical to creating harmonious space whether private or communal for residents to enjoy. Acoustics Considerations Checklist: • Non-habitable spaces of adjacent apartments are to be back-toback to minimise the requirements for impact rated walls. • Hydraulic services including sewer which are located in ceiling space over habitable areas must be acoustically treated. Locating drop sewer runs within joinery is to be avoided and should not be included without prior consent from Housing Choices. • Ensure a high level of acoustic privacy (BCA as a minimum). It is a requirement that an acoustic consultant is engaged to prepare a report detailing acoustic requirements of building fabric including but not limited to roofs, walls, floors, windows, and partitions. • Limit the number and size of openings towards noise sources. • Use adequate seals on openings to prevent noise transfer through gaps and acoustic glazing. • Ensure acoustic privacy from structure-borne and impact noise, particularly from areas with hard floor finishes above, by ameliorating noise transmission through ceilings. • Bathrooms and laundries should be acoustically separated from other habitable rooms. High Density Acoustics Considerations Checklist: • Wherever possible, communal corridors and stairways, service risers and lifts are to be positioned away from bedrooms, living, and dining areas. • Wet areas are to be stacked vertically where possible to minimise requirements for acoustic ceilings.

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Housing Choices Australia | Design Guidelines

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