IEC 61031:2020
Nuclear facilities - Instrumentation and control systems - Design, location and application criteria for installed area gamma radiation dose rate monitoring equipment for use during normal operation and anticipated operational occurrences
Installations nucléaires - Systèmes d'instrumentation et de contrôle-commande - Critères de conception, d'implantation et d'application pour les matériels de surveillance du débit de dose de rayonnement gamma à poste fixe, utilisés pendant le fonctionnement normal et lors d'incidents de fonctionnement prévus
| Standard number: | IEC 61031:2020 |
| Released: | 2020-07-28 |
| Language: | English |
IEC 61031:2020
IEC 61031:2020 applies to the design, location and application of installed equipment for monitoring local gamma radiation dose rates within nuclear facilities during normal operation and anticipated operational occurrences. High range area gamma radiation dose rate monitoring equipment for accident conditions currently addressed by IEC 60951-1 and IEC 60951-3 is not within the scope of this document. This document does not apply to the measurement of neutron dose rate. Additional equipment for neutron monitoring may be required, depending on the plant design, if the neutron dose rate makes a substantial contribution to the total dose equivalent to personnel. This document provides guidelines for the design principles, the location, the application, the calibration, the operation, and the testing of installed equipment for continuously monitoring local gamma radiation dose rates in nuclear facilities under normal operation conditions and anticipated operational occurrences. These instruments are normally referred to as area radiation monitors. Portable instruments are also used for this purpose but are not covered by this document.