Approved by Water Authorities throughout Australia
The SMS range has been appraised as: WSAA Products Appraisal Report 137 Part 1. With product certification to WSA 137:2013-Industry Standard for Maintenance Shafts and Maintenance Chambers for Sewerage.
The Polypropylene maintenance shaft range has Water Accreditation WMTS509-WM 040151 Global-Mark.com.au. The SMS maintenance shafts are the only maintenance shaft in Australia with Water Mark accreditation.