The requirements for sufficient acoustic provision shall be provided in conference rooms and meeting rooms. Accessible toilet facilities, as per B-9 should be as near as possible to such rooms. A sound augmentation system should be provided. Reverberation time for speech, music, etc, should be as per Part 8 ‘Building Services’, Section 4 ‘Acoustics, Sound Insulation and Noise Control’ of the Code.
All equipment in conference rooms shall be usable by people chairing or participating in the meeting and shall be at a height between 800 mm and 1 000 mm. See also B-7 for requirements of controls and operating devices.
PART 3 DEVELOPMENT CONTROL RULES AND GENERAL BUILDING REQUIREMENTS

All dimensions in millimetres.
FIG. 92 EXAMPLES OF VIEWING SPACES FOR WHEELCHAIR USERS
B-14 Viewing Spaces in Assembly Areas