Main Focus
The main focus of the project was to address complex acoustic
challenges of mass ceiling areas presented at the renovation and
new build of one of the world's most famous opera houses.
Challenge
The challenge was to create the correct acoustic climate for the
main auditorium, by reducing unwanted noise, principally from the
rehearsal theatre and practice rooms situated directly beneath.
With as many as 1200 construction personnel an site during peak
renovation periods, fast track solutions were of paramount
importance to enable quick construction with minimum waste.
Solution
The solution was to install a CasoLine MF suspended ceiling, using antivibration
pads, in order to suspend the ceiling away from the main structure
to minimise reverberation during performances. To suppress
transmitted sounds of speech and musical instruments, the metal
grid framework was then lined with two layers of Gyproc SoundBloc
and a secondary MF framework was installed, finished with Arteco
Gyptone ceiling board, with an air-space behind.
In four an ancillary ballet rehearsal rooms, three layers of
Gyproc SoundBloc boards were positioned behind the fully,
heavy-mirrored wall surfaces to offer further reduction in
transmitted sound.
High performance acoustic solutions at landmark site
Construction Manager: Schal Construction Management
Subcontractor: Thermofelt (contractors) ltd
Architect: Jeremy Dixon Jones
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