| Reference | Designation/Description | Accredited assay |
Reference standards |
Product/ Material |
Comments |
|---|---|---|---|---|---|
| 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 elements | 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 16272-1:2012, EN 16272-3-1:2012 (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 elements | 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 elements | Range: ∆Lw ≤ 50 dB | |
| ACL.13 | Determination of sound transmission loss in an impedance tube | Internal procedure | |||
| 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 of steel bars for concrete reinforcement | ISO 15630-1:2019 (section 7) | Steel bars for concrete reinforcement | Up to 32 mm diameter bars. | |
| ACO.10 | Tensile test of steel wires, cords and rods for prestressing | ISO 15630-3:2019 (section 5); ISO 6892-1:2019 | Prestressing steel wires, strands and bars | ||
| ACO.11 | Shear test of electrowelded networks | ISO 15630-2:2019 (section 7.1) | Welded fabric | ||
| ACO.16 | Determination of the straightness of steel wires, cords and rods for prestressing | EN ISO 15630-3 (ponto 13.3.4) | Fios, cordões e varões de aço para pré-esforço | ||
| ACO.19 | Deflected tensile test | ISO 15630-3:2019 (section 12) | Prestressing steel - strand | ||
| ACO.20 | Axial tensile strength fatigue test | ISO 15630-3:2019 (section 10) | Steel wires and strands for prestressing | ||
| ACO.23 | Fatigue test of steel bars for reinforced concrete reinforcement | ISO 15630-1:2019 (section 8) | Ribbed rods/ steel | ||
| ACO.24 | Ceiling support tensile test |