| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments (Administrator) |
|---|---|---|---|---|---|
| ACL.01 | Laboratory test: Measurement of airborne sound reduction index for Rw. Range: Rw ≤ 72 dB | ISO 10140-1:2021 (except annexes J and K); ISO 10140-2: 2021; ISO 10140-4:2021; ISO 717-1:2020 | Building elements | EN 1793-2:2018, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-2:2012, EN 16272-3-1:2012 (only applicable to noise barriers intended for railway) | |
| ACL.02 | Laboratory test: Measurement of sound absorption in a reverberation room | NP EN ISO 354:2007 | Building acoustics | EN ISO 11654:1997 (applicable to flat objects); EN 1793-1:2017, EN 1793-3:1997 (only applicable to noise barriers intended for road traffic); EN 16272-1:2023, EN 16272-3-1:2023 (only applicable to noise barriers intended for railway) | |
| ACL.03 | Laboratory test: Determination of impact sound insulation index, Ln,w. Range Ln,w ≥ 25 dB | ISO 10140-3:2021; ISO 10140-4:2021; ISO 717-2:2020 | Building acoustics | Range: Ln,w ≥ 25 dB | |
| ACL.06 | Laboratory measurement of the reduction of the transmitted impact noise by floor coverings ∆Lw. Range: ∆Lw ≤ 50 dB | ISO 10140-1:2021; ISO 10140-3:2021; ISO 10140-4:2021; ISO 717-2:2020 | Building acoustics | Range: ∆Lw ≤ 50 dB | |
| ACL.13 | Determination of sound transmission loss in an impedance tube | Internal procedure | |||
| ACL.28 | Test methods for the qualification of free-field environments | Annex A of ISO 3745:2012 + Amd1:2017; ISO 26101-1:2021 | Anechoic and hemi-anechoic rooms | ||
| ACL.28.01 | Generic procedure for evaluating the directivity of a sound source | Annex B of ISO 26101-1:2021 | Test sound sources | ||
| ACL.29 | Sound-scattering properties of surfaces – Measurement of the random-incidence scattering coefficient in a reverberation room | ISO 17497-1:2004 + Amd1:2014 | Building elements | ||
| ACL.30 | Sound-scattering properties of surfaces – Measurement of the directional diffusion coefficient in a free field | ISO 17497-2:2012 | Building elements | ||
| ACL.31 | Measurement of the impulse response | ISO 18233:2006 | Building elements | ||
| ACO.05 | Determination of mass per linear meter of steel prestressing bars | LNEC E 459 | Steel rods for prestressing | ||
| ACO.06 | Determination of the cross-sectional area of steel wires and strands for prestressing | LNEC E 452, LNEC E 453 | Steel wires and strands for prestressing | ||
| ACO.09 | Rebend test | ISO 15630-1:2019 (section 7) | Steel bars for concrete reinforcement | Up to 32 mm diameter bars. | |
| ACO.10 | Tensile test of prestressing steel wires, strands and bars | ISO 15630-3:2019 (section 5); ISO 6892-1:2019 | Prestressing steel wires, strands and bars | ||
| ACO.11 | Shear test | ISO 15630-2:2019 (section 7.1) | Welded fabric |