Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 997 laboratory includes: Cement testing; Testing concrete mixtures and heavy concrete; Testing concrete aggregates and mortar; Laboratory soil testing; Metal and weld testing; Asphalt concrete testing; Bitumen plastic testing; Field experiments; Construction mortar testing; Main tests and equipment for testing masonry materials; Experimenting with mineral powder in asphalt; Physical and mechanical testing of cement floor tiles. Technical standards used for the 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. 425/QD-BXD dated October 29, 2012 of the Minister of Construction.