NS EN 1508 : 1ED 1999

Foreword
Introduction
1 Scope
2 Normative references
3 Definitions
    3.1 capacity
    3.2 compartment
    3.3 control building
    3.4 designer
    3.5 elevated reservoir
    3.6 rehabilitation
    3.7 repair
    3.8 reservoir
    3.9 service reservoir
    3.10 water demand
    3.11 water tightness
4 Application of standards and regulations
5 General requirements
    5.1 General
    5.2 Functional requirements
6 Design requirements
    6.1 Watertightness
    6.2 Structural design
    6.3 Further provisions
7 General requirements for product standards
8 Checks, testing and commissioning
    8.1 General considerations
    8.2 Checks for movement
    8.3 Watertightness tests
    8.4 Cleaning and disinfection
    8.5 Commissioning
9 Operational requirements
    9.1 Introduction
    9.2 Maintenance
    9.3 Cleaning and disinfection
10 Rehabilitation and repair requirements
    10.1 Introduction
    10.2 Survey
    10.3 Prevention of contamination
    10.4 Return to service
Annex A (informative) Guidance to EN 1508
A.1 ad 5.1.1 Functions
A.2 ad 5.1.2 Decision criteria and system configuration
A.3 ad 5.2.2.1 Access and security
A.4 ad 5.2.2.4 Monitoring
A.5 ad 8.1.2 Hygiene and 8.1.3 safety of personnel
A.6 ad 8.3.4 Test report and 8.4.4 Records - Example of a
             test procedure report
A.7 ad 9.1.4 Operating manual

Defines and provides guidelines on general requirements for storing water outside consumers' buildings, including service reservoirs for potable water and reservoirs containing water not for human consumption in intake or treatment works, not including those which are part of the treatment process, ie: design, general requirements for product standards, checks, test, commissioning, operational requirements and requirements for rehabilitation and repair. Applies to designing and constructing of new reservoirs, extending and modifying existing reservoirs, and significant rehabilitation of existing reservoirs.