Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1649 laboratory includes: Testing of cement mechanics and cement chemistry; Testing of concrete and heavy concrete mixtures; Construction mortar; Aggregate for concrete and mortar, leveling sand, aggregate gravel; Mineral powder in asphalt concrete; Bentonite drilling fluid; Bitumen resin, resin emulsion, acid asphalt emulsion; Asphalt concrete; Laboratory soil mechanical testing; Inspection of metal materials and weld metal; Field testing; Mechanical testing of baked clay bricks; Mechanical testing of concrete block bricks; Mechanical testing of terrazzo tiles; Self-inserting concrete tiles; Water used for construction; Paint traffic signals; Lightweight concrete bricks, autoclaved aerated concrete bricks (AAC), foam concrete bricks, non-autoclaved aerated concrete; Testing of granito tiles; Geotextile, absorbent wick, geogrid, airtight membrane; Mechanical testing of roofing tiles; Plastic coated steel wire.
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 05 years from the date of issue and replaces certificates numbered: 510/GCN-BXD dated November 16, 2016 and 387/GCN-BXD dated April 25, 2019 of the Ministry of Construction.