Document ID: chunk:federal_register_of_legislation:F2025C00174:reg:10:p73
Version: federal_register_of_legislation:F2025C00174
Segment Type: reg
Provision Reference: reg 10 (pt 73/99)
Character Range: 545005–547975

no more than nine.  A high level of amenity for common lobbies and corridors should be demonstrated through the provision of access to ample daylight and natural ventilation, common areas for seating and gathering, and generous corridors with greater than minimum ceiling heights.
Corridors longer than 12 metres from the lift core should be articulated, for example by a series of foyer areas with windows and spaces for seating, and wider areas at apartment entry doors and varied ceiling heights.
Primary living room or bedroom windows must not open directly onto common circulation spaces.

Environmental performance

Energy efficiency
Development should incorporate passive solar design to optimise heat storage in winter and reduce heat transfer in summer. Potential design options include the use of smart glass or other technologies (particularly on north and west elevations), maximising thermal mass in the floors and walls of north facing rooms, overhangs and shading devices such as awnings, blinds and screens.
Operable screening such as louvres, sliding, folding or retractable elements should be designed to provide shade and protection from natural elements. Operable screening elements must be integrated with building design.
Building design must incorporate shading and glare control, particularly to manage sun penetration in warmer months. Design features could include:

       * balconies or sun shading that extend far enough to shade summer sun, but allow winter sun to penetrate living areas

       * shading devices such as eaves, awnings, balconies, pergolas, external louvres

       * horizontal shading to north facing window

       * vertical shading to east and particularly west facing windows

       * operable shading to allow adjustment

Residential use
 Developments with residential components must provide a variety of apartment designs such as dual aspect apartments, shallow apartment layouts, two storey and mezzanine level apartments. Building design must achieve the following:
       * Living rooms and private open spaces of at least 70% of apartments in a building must receive a minimum of 3 hours direct sunlight between 9am and 3pm on the winter solstice (21 June).
       * A maximum of 15% of apartments in a building receive no direct sunlight between 9am and 3pm on the winter solstice (21 June).
All habitable rooms must have an operable window in an external wall with a total minimum glass area of not less than 15% of the floor area of the room. Courtyards, skylights and high level windows (with sills above 1700mm) may only be used as a secondary light source in habitable rooms.
'Snorkel' arrangements are not permitted as a mechanism to provide natural light or ventilation.
All habitable rooms should be naturally ventilated. Building design should demonstrate consideration of the building's orientation to maximise capture and use of prevailing breezes, depths of habitable rooms, openable windows and