Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 473 laboratory includes: Mechanical and physical testing of cement; Aggregate testing for concrete and mortar; Heavy concrete and concrete mixtures; Laboratory soil mechanical testing; Testing of metal materials and welded joints; Asphalt concrete testing; Bitumen testing; Testing emulsion, acid-based asphalt; Physical and mechanical testing of mineral powder materials in asphalt concrete; Field testing; Testing construction mortar; Tile testing; Chemical analysis of water for construction; Testing chemical additives for concrete.
Technical standards used for tests are fully listed, including Vietnamese and foreign standards (if any). When there is a new version of a technical standard replacing the old standard, the corresponding new standard must be applied.
This certificate is valid for 5 years from the date of issue.