Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 1131 laboratory includes: Cement testing; Testing of concrete and heavy concrete mixtures; Aggregate testing; Testing construction mortar; Bentonite solution testing; Testing of fired clay bricks; Testing concrete bricks and lightweight concrete bricks; Testing lightweight concrete products; Testing of self-inserting concrete tiles; Testing natural stone tiling; Construction glass testing; Testing mineral powder materials in asphalt concrete; Asphalt concrete testing; Testing of bitumen; Liquid asphalt test; Acid asphalt emulsion test; Wood testing; Testing metal materials, welding; Laboratory soil testing; Field testing; Testing construction water. 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 05 years from the date of issue, replacing Decision No. 296/QD-BXD dated June 30, 2011.