The Acoustic Study aims to ensure the compliance with the sound insulation and sound protection limits, so that the building users can live and perform intellectual activities or other tasks, under ideal conditions of acoustic comfort.
The Acoustic Study examines:
1.Noise conditions, which exist on the exterior of the building because of eg. means of transportation, noisy installations, etc., in order to determine the sound insulation requirements of the outer shell.
2. Prediction of the noise reduction of the interior partitions and frames by air-borne and impact noise.
3.The type, geometry and properties of interior space materials, so that we can define and achieve the reverberation time of the spaces depending on their use.
4. The sound protection of the various spaces from the noise created by the building installations.
5. Noise protection to neighboring properties, created by the HVAC installations of the building under study, in order to comply with the noise limits imposed by the PD. 1180/81.
Standards-Instructions-Legislation
Architectural Acoustics:
-Technical Standard DIN 18041: “Acoustical quality in small to medium sized rooms”,
-CATT Acoustic,Acoustic Prediction Software
Sound Insulation:
–Greek Building Regulation, Article 12
–-DIN 4109 Technical Standard: “Sound insulation in buildings; requirements and verifications ”.
-EN ISO 12354: “Estimation of the acoustic performance of buildings from the performance of elements”.
-BASTIAN-Datakustik.Sound Insulation Prediction Software (according to EN ISO 12354)
-Insul-Marshall Day Acoustics. Sound insulation prediction software for horizotnal and vertical partitions (walls,floors,ceilings)
Protection of noise from HVAC installations:
–VDI 2081 Technical Instruction: “Noise generation and noise reduction in air-conditioning systems”
-ASHRAE (ASHRAE Handbook 2007 – Chapter 47: “Noise and vibration control”
Finally, the study includes:
-Technical report
-Material specifications
-Acoustic simulation calculations
-Design of sight lines, reflection study
-Design of sound insulation details and construction details
–Spreadsheet
-Noise measurements
