1. Using CM to Maintain the Design Basis
Facilitated By:
Lloyd Hancock
Rick Harris

2. Examples of Design Basis Requirements Miscues
Vertical Assessment – identified unacceptable time critical action
Safety injection system test lines – test procedures didn’t reflect design assumptions
Vendor adding a platform over vessel during refueling – not evaluated properly

3. CM Program Elements
Operations & Maintenance Procedures reviewed by Engineering
Questioning Attitude to catch obscure assumptions
Engineering review of questionable situations
Identify subtle changes to plant that modify design

4. CM Program Elements Change in initial conditions analysis assumptions
New employee orientation program should include CM
Capturing tribal knowledge
Transfer problem solving skills
Reward questioning attitude
Mentoring

5. CM Program Elements Highlighting in procedure when design requirement
Make a cross reference of links
Procedure commitment database
50.59 review team with participation of Procedure writers
Vertical slice self assessments

6. CM Program Elements Assumptions in DBDs Procedure commitment database
Oversight of non-station personnel
Operating Experience
Software programs

7. How To Assess Conformance
Vertical slice
Assessments, quick hitter
INPO AFIs – OE
Wait until NRC catches you
Operating Events
Corrective Action Program for trending

8. How To Assess Conformance
Performance Indicators
Surveys
External Review
Bring in new people – new blood