The acoustic behaviour of spaces, building elements and equipment are subject to national regulations under the building acoustics requirements code (RRAE) and the general noise regulations (RGR).
| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments |
|---|---|---|---|---|---|
| ACI.01 | Environmental noise: Measurement of environmental noise. Annoyance response | ISO 1996-1:2016; ISO 1996-2:2017; Procedimento Interno ACI.01.IE.01 (version no. 8 of May 2020) or NP ISO 1996-1:2011; NP ISO 1996-2:2011; Annex I of Portuguese Decree-Law No. 9/2007; Internal Procedure ACI.01.IE.02 (version no. 1 of May 2020) | Environmental noise | ||
| ACI.02 | Environmental noise: Measurement of sound pressure levels. Determination of the average long-term exposure sound level. | ISO 1996-1:2016; NP ISO 1996-2:2011; Internal Procedure ACI.02.IE.01 (version no. 8 of May 2020) or NP ISO 1996-1:2011; NP ISO 1996-2:2011; Annex I of Portuguese Decree-Law No. 9/2007; Internal Procedure ACI.02.IE.02 (version no. 1 of May 2020) | Environmental noise | ||
| ACI.03 | Building acoustics: Field measurement of airborne sound insulation between rooms and determination of the sound insulation index (except low-frequency sound insulation in rooms with a volume less than 25 m3) | ISO 16283-1:2014; ISO 717-1:2013 | Building elements | The standardised low frequency sound insolation is performed in compartments with a volume below 25m3 | |
| ACI.04 | Building acoustics: Field measurement of sound insulation of façades and façade elements and determination of the sound insulation index. Global loudspeaker method (except low-frequency sound insulation in rooms with a volume less than 25 m3) | ISO 16283-3:2016; ISO 717-1:2013 | Building elements | The standardised low frequency sound insolation is performed in compartments with a volume below 25m3 | |
| ACI.05 | Building acoustics: Measurement of reverberation time. Interrupted noise method (Engineering Method) | ISO 3382-2:2008; ISO 3382-2:2008/Cor.1:2009 | |||
| ACI.06 | Building acoustics: Field measurement of impact sound insulation of floors and determination of the sound insulation index (except low-frequency sound insulation in rooms with a volume less than 25 m3) | ISO 16283-2:2015 ISO 717-2:2013 | The standardised low frequency sound insolation is performed in compartments with a volume below 25m3 | ||
| ACI.07 | Building acoustics: Measurement of sound pressure level from service equipment in buildings. Determination of the sound level of particular noise | NP EN ISO 16032:2009 Nota 4 do Documento LNEC, 10 de Julho de 2015 | |||
| ACI.08 | Environmental noise: Measurement of sound pressure levels. Determination of the equivalent sound level | ISO 1996-1:2016; NP ISO 1996-2:2011; Internal Procedure ACI.08.IE.01 (version no. 8 of April 2020) | |||
| ACI.09 | Acoustics - In situ determination of insertion loss of outdoor noise barriers | Barreiras acústicas destinadas a tráfego rodoviário | |||
| ACL.01 | Laboratory test: Measurement of airborne sound reduction index for Rw. Range: Rw ≤ 72 dB | ISO 10140-1:2016 (except annexes J and K); ISO 10140-2: 2010; ISO 10140-4:2010; ISO 717-1:2013; EN 1793-2:2018 (only applicable to noise barriers intended for road traffic) | Building elements | Range: Rw ≤ 72 dB | |
| ACL.02 | Laboratory test: Measurement of sound absorption in a reverberation room | NP EN ISO 354:2007 | Building elements | ||
| ACL.02.01 | Calculation of road traffic noise reducing devices single-number rating | ||||
| ACL.03 | Laboratory test: Determination of impact sound insulation index, Ln, w. Range Ln,w ≥ 25 dB | ISO 10140-3:2010; ISO 10140-3:2010/Amd 1:2015; ISO 10140-4:2010; ISO 717-2:2013 | Building elements | Range: Ln,w ≥ 25 dB | |
| ACL.04 | Laboratory test: Measurement of impact sound insulation of roofs, roof/ceiling systems and skylights excited by artificial rainfall, LIA. | ISO 140-18 | Building elements | ||
| ACL.05 | Laboratory measurement of the efectiveness of floor coverings in reducing impact sound transmission through concrete floors, ∆IIC | ASTM E2179-03; ASTM E492-04; ASTM E989-89 | Building elements |