Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 522 laboratory includes: Cement mechanical testing; Heavy concrete and concrete mixtures; Test concrete aggregates and mortar; Testing construction mortar; Laboratory soil mechanical testing; Metal material inspection test; Asphalt concrete testing; Bitumen testing; Liquid asphalt testing; Acid asphalt emulsion test; Physical and mechanical testing of mineral powder materials in asphalt concrete; Field testing; Fired clay bricks; Mechanical testing of concrete bricks; Mechanical testing of bentonite solution; Testing geotextiles, permeable wicks, geogrids; Paint testing; Testing plastic pipes, HPDE pipes and pipe accessories; Putty; Construction glass testing; Plasterboard testing; Testing wood materials; Electrical wire testing. Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of technical standards to replace the old standards, the corresponding new standards must be applied. This certificate is valid for 5 years from the date of issue and replaces Decision No. 46/QD-BXD dated January 28, 2010 of the Minister of Construction.