A suitably qualified acoustician (SQA1) (see Relevant definitions) is appointed by the client at the appropriate stage in the procurement process (but no later than completion of outline design) to provide early design advice on:
1.a
External sources of noise impacting the chosen site
1.b
Site layout and zoning of the building for good acoustics
1.c
Acoustic requirements for users with special hearing and communication needs
1.d
Acoustic treatment of different zones and façades.