Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 157 laboratory includes: Asphalt concrete testing; Asphalt; Acid-based asphalt emulsion; Test asphalt samples obtained from distillation tests; Oil mixed liquid asphalt; Testing sand, stone, red gravel, aggregate; Microsurfacing testing; Laboratory soil testing; Testing a layer of cold-in-place recycled materials used for automobile pavement structures.
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.