Recognition content
The list of testing criteria eligible for specialized construction activities of LAS-Construction 921 laboratory includes: Physical and mechanical 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 5 years from the date of issue and replaces Decision No. 657/QD-BXD dated December 4, 2015 of the Minister of Construction.