VTT TECHNOLOGY 222
Safety culture and
organisational resilience in
the nuclear industry
throughout the different
lifecycle phases
Pia Oedewald, Nadezhda Gotcheva, Kaupo Viitanen &
Mikael Wahlstrm
ISBN 978-951-38-8306-5 (URL: vtt./publications/index.jsp)
VTT Technology 222
ISSN-L 2242-1211
ISSN 2242-122X (Online)
CopyrightVTT 2015
JULKAISIJA – UTGIVARE – PUBLISHER
Teknologian tutkimuskeskus VTT Oy
PL 1000 (Tekniikantie 4 A, Espoo)
02044 VTT
Puh. 020 722 111, faksi 020 722 7001
Teknologiska forskningscentralen VTT Ab
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FI-02044 VTT
Tfn +358 20 722 111, telefax +358 20 722 7001
VTT Technical Research Centre of Finland Ltd
P.O. Box 1000 (Tekniikantie 4 A, Espoo)
FI-02044 VTT, Finland
Tel. +358 20 722 111, fax +358 20 722 7001
Contents
Preface ..... 6
1.Safety culture: meaning and assessment .... 12
Abstract ......... 12
1.1Introduction ........ 12
1.2The DISC framework ...... 14
1.3DISC safety culture assessments in practice........ 20
1.3.1Safety culture assessment data .... 21
1.3.2The assessment process and guidelines ... 22
1.4Discussion and conclusions ........ 25
2.Developing safety culture in nuclear power plants . 31
Abstract ......... 31
2.1Introduction ........ 32
2.2Key parties involved in developing safety culture in the nuclear industry ... 32
2.3Practical methods of managing safety culture in NPP’s .... 35
2.4Discussion .......... 41
2.4.1Integration of knowledge .. 41
2.4.2Systemic interactions ....... 42
2.4.3The role of managers and leaders44
2.4.4Nuclear and occupational safety ... 45
2.4.5Networks and subcultures46
2.5Recommendations .......... 47
3.Human performance programmes as a means to improve safety culture .. 52
Abstract ........ 52
3.1Introduction ........ 53
3.2Human performance tools ........... 53
3.3HUMAX study methods ... 54
3.4Results ... 55
3.5Relevance to safety culture ......... 58
3.6Conclusions ........ 63。