Alcance
This document provides guidelines for alternative water service (AWS) provision during a crisis for the ongoing operation of essential facilities.This document addresses:— AWS principles and methods;— AWS operational planning and implementation.This document is not applicable to:— planned water supply interruptions forming part of the drinking water utility's normal operations;NOTE However, many of the principles and methods described can be appropriate in such circumstances.— water supplied to temporary settlements, such as refugee camps;— the development and implementation of a crisis management system for water service, which is covered by ISO 24518[1] and ISO/TS 24520,[2] or the development and implementation of AWS provision during a crisis for private users, which is covered by ISO 24527.[3]