Singapore legislation
Regulation 23
of Building and Construction Authority (Importers’ Licensing) Regulations 2011
Regulation 23
Acceptable quality of essential construction material
Amended byS 182/2016 wef 01/05/2016
For the purposes of section 31K(1) of the Act, the tests, analysis or examination for an acceptable level of acid soluble content, the chloride content and the alkali-silica reactivity of the essential construction material shall be the following, respectively:Description Test Method Standard1.Alkali-Silica Reactivity (ASR) (a)Petrographic examination ASTM C295 ASTM C33(b)Mortar Bar Method ASTM C1260 ASTM C332.Chloride content EN1744 Clause 7 SS EN 126203.Sulphate content EN1744 Clause 12 SS EN 12620.