Safe Working Load 2 (SWL) : The maximum load, calculated in accordance with sound and accepted engineering practice, that can be supported safely under normal working conditions, e.g. on a scaffold
Ministry of Business, Innovation and Employment, Glossary of terms and acronyms, Wellington, New Zealand 2010. http://wwwsosh.govt.nz/resources/glossary-u.shtml, (Occupn Hlth and Sfty - Brit) {530}