All hot-dipped galvanised steel manufactured to AS/NZS 4680:2006; hardwood ACQ treated to Hazard Level 4 (F17 or better), pine LOSP treated to Hazard Level 3 (F7). Supplied with professional building application drawings, an independent engineering certificate and complete pier/abutment design (subject to geotechnical report). Manufactured under ISO 9001 and BS OHSAS 18001:2007 certification, meeting or exceeding the National Construction Code and relevant Australian Standards (AS1170 Structural Design Actions, AS1428.1 Design for Access and Mobility, AS1720 Timber Structures, AS4100 Steel Structures). Engineered to 5kPa live loads and up to 2.0m/sec flood loads where required. Backed by a 10-year structural warranty, extended to 20 years when supplied and installed by Landmark or a Landmark-approved installer.