LABORATORY TESTS

Acoustics and Vibrations

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 Measurement of environmental noise. Annoyance response ISO 1996-1:2016; NP ISO 1996-2:2011; Anexo I do Decreto-Lei nº 9/2007; ACI.01.IE.01 (version no. 6, April 2016) Environmental noise
ACI.02 Measurement of sound pressure levels. Determination of the average long-term exposure sound level. ISO 1996-1:2016; NP ISO 1996-2:2011; ACI.02.IE.01 (version no. 6, Abril 2016) Environmental noise
ACI.03 Measurement of sound insulation to airborne sounds between compartments and the determination of the sound insulation index 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 Measurement of sound insulation to airborne sounds of facades and facade elements and the determination of the sound insulation index. Global method with loudspeaker 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 Measurement of the reverberation time - Interrupted source method (Engineering Method) ISO 3382-2:2008; ISO 3382-2:2008/Cor.1:2009
ACI.06 Measurement of the sound insulation to an impact source operating on a floor and the determination of the sound insulation index 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 Measurement of sound pressure level from service equipment in buildings. Determination of the sound level of a specific noise NP EN ISO 16032:2009 Nota 4 do Documento LNEC, 10 de Julho de 2015
ACI.08 Measurement of sound pressure levels. Determination of the equivalent continuous sound pressure level ISO 1996-1:2016; NP ISO 1996-2:2011; ACI.08.IE.01 (version no. 6, April 2016)
ACI.09 Acoustics - In situ determination of insertion loss of outdoor noise barriers Barreiras acústicas destinadas a tráfego rodoviário
ACL.01 Determination of the sound insulation index for Rw air driving sounds ISO 10140-1:2016; ISO 10140-2:2010; ISO 10140-4:2010; ISO 717-1:2013 Building elements Range: Rw ≤ 72 dB
ACL.02 Measurement of sound absorption in a reverberation room NP EN ISO 354:2007 Building elements
ACL.03 Determination of the insulation index to impact sound, Ln, w 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 measurement of sound generated by rainfall on LIA building elements ISO 140-18 Building elements
ACL.05 Laboratory Measurement of the Effectiveness of Floor Coverings in Reducing Impact Sound Transmission, ∆IIC ASTM E2179-03; ASTM E492-04; ASTM E989-89 Building elements
ACL.06 Measurement of the reduction of impact sound transmission ∆Lw of floor coverings ISO 10140-1:2016; ISO 10140-3:2010; ISO 10140-3:2010/Amd 1:2015; ISO 10140-4:2010; EN ISO 717-2:2013 Building elements Range: ∆Lw ≤ 50 dB