Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1800 laboratory includes: Mechanical and physical testing of cement; Heavy concrete and concrete mixtures; Sand, crushed stone (gravel), aggregate materials; Chemical analysis of water for construction; Testing construction steel. 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.