Recognition content
The list of testing criteria eligible for specialized construction activities of the LAS-Construction 1684 laboratory includes: Cement; Asbestos crizotin for producing asbestos-cement corrugated panels; Bentonite; Construction water; Chemical additives for concrete and mortar; Mineral additives; Aggregates for concrete, mortar and bedrock; Concrete and concrete mixtures; Construction mortar; Putty, joint treatment powder; Tile testing; Fired clay tiles, glazed tiles, sand cement tiles; Sanitary ceramic products; Tiles, paving stones; Plate glass, safety glass, box glass; Wall paint – emulsion paint; Epoxy resin-based adhesive system for concrete; Waterproof materials; Bentonite expansion bar; Plasterboard, fiber cement board, metal frame system; Asbestos-cement corrugated board; Plastic-aluminum composite cladding and roofing; Polycarbonate sheet, compact; Construction wood; Electric cables, communication wires, conduits, cable ladders; Windows, doors and facades; Materials from plastic, plastic, epoxy, composite, insulation materials; Metal materials, welds; Steel cables, wedges, pre-stressed anchors, cable conduits; Bolts, screws, studs, nuts, steel bars, rebar; Coating, plating, painting; Geotextile, absorbent wick; Soil mechanics in the laboratory; Mineral powder in asphalt concrete; Acid-based asphalt emulsion; Liquid asphalt; Bitumen; Asphalt concrete; Centrifugal reinforced concrete electric poles; Prestressed centrifugal concrete piles; Reinforced concrete drainage pipes, reinforced concrete box culverts, culvert pillows; Concrete curbing; Prefabricated thin-walled reinforced concrete ditch; Lid and trash screen; 3D panels used in construction; Precast reinforced concrete panels reinforce the canal and pave the road surface; Precast concrete hollow wall panels using extrusion technology/ lightweight wall panels; Field testing.
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 GCN No. 267/GCN-BXD dated May 29, 2017 and GCN No. 237/GCN-BXD dated March 26, 2019.