ISO 24527-2020 pdf free.Service activities relating to drinkingwater supply, wastewater and stormwater systems — Guidelines onalternative drinking water serviceprovision during a crisis.
1 Scope
This document provides guidelines on alternative drinking water service (ADWS) provision duringa crisis.
This document addresses:
a) ADWS principles and methods;
b) ADWs operational planning and implementation.This document is not applicable to:
1) planned water supply interruptions forming part of drinking water utilities’ normal operations;
NOTE However,many of the principles and methodsdescribed can be appropriate in such circumstances.2) drinking water supplied for the ongoing operation of key establishments and facilities during a
crisis, such as hospitals, homes for the aged, schools, reception facilities and vital plants;
3) water supplied for industrial, agricultural or commercial purposes;
4)water supplied to temporary settlements such as refugee camps;
5) the development and implementation of a crisis management system for water service, which is covered by ISO 24518 and Iso/TS 24520.
2Normative references
The following documents are referred to in the text in such a way that some or all of their contentconstitutes requirements of this document. For dated references,only the edition cited applies. Forundated references,the latest edition of the referenced document (including any amendments) applies.ISO 24513,Service activities relating to drinking water supply, wastewater and stormwater systems —Vocabulary
3 Terms and definitions
For the purposes of this document,the terms and definitions given in ISO 24513 and the following apply.
3.1 alternative drinking water serviceADWs
drinking water provided to users(3.15) by means other than through the normal drinking water systemNote 1 to entry:ADWS can be required due to the loss of supply or due to the fact that the water currently beingsupplied is believed unfit for the intended use.
Note 2 to entry:For the purposes of this document, ADWS only refers to the supply of drinking water. Therecan, however, be occasions where it is decided for public health (e.g.toilet flushing) and safety (e.g.firefighting)reasons to temporarily supply non-drinking water via the drinking water distribution network in parallel withan ADWS.
3.2 containerized drinking waterpackaged water
drinking water (3.4) deployed in containers for ADWS(3.1) provision
EXAMPLE 1 Bottled water, pre-prepared and hygienically sealed, with a predetermined shelf-life.EXAMPLE 2 A personal water bag, pre-prepared but empty, and filled during an incident.
EXAMPLE3 Static water tanks; towed bowsers; mobile water tankers, disinfected and deployed, and filledduring an incident.ISO 24527 pdf download.