Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction laboratory 15 includes: Mechanical and physical testing of cement; Testing of concrete and heavy concrete mixtures; Testing sand, crushed stone (gravel), and aggregate materials; Soil and rock mechanical testing; Testing steel, metal, welds; Asphalt concrete testing; Testing of bitumen, liquid asphalt, acid emulsion; Field testing; Testing construction mortar; Physical and mechanical testing of tiles and paving stones; Water chemical analysis. 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. 25/QD-BXD dated January 20, 2015 of the Minister of Construction.