Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 921 laboratory includes: Mechanical and physical testing of cement; Testing of concrete and heavy concrete mixtures; Aggregate testing for concrete and mortar; Testing mineral powder materials in plastic concrete; Laboratory soil testing; Testing of metal materials and welded joints; Asphalt concrete testing; Bitumen testing; plastic cardboard; Field testing; Testing construction mortar; Mechanical testing of masonry bricks; Mechanical testing of self-inserting concrete bricks; Mechanical testing of concrete bricks; Mechanical testing of lightweight concrete bricks; Plastic pipe testing; Bentonite mechanical testing; Putty testing; Testing facing stones and tiles; Plasterboard testing; Acid asphalt emulsion test; Testing road marking paint - reflective; Chemical analysis of water for construction; Testing residential electrical wires; Wood mechanical testing. 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 and replaces Decision No. 657/QD-BXD dated December 4, 2015 of the Minister of Construction.