Recognition content
The list of experimental criteria eligible for specialized activities 487 includes: Soil mechanical testing in the laboratory; Testing pipes, pipe fittings, and ductile iron accessories; Testing of metallic materials; Field experiments; PVC water stop tape test; Testing waterproof membranes; Testing PVC and HDPE plastic pipes and accessories; Testing Granito tiles.
The technical standards of the test 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 takes effect from the date of signing and is valid until July 25, 2026.