C10 - Relative criteria Hazards High Average Low Settlements Subgrade improvement or IF NOT HIGH: Scheduled IF NOT HIGH OR AVERAGE: in soft clay or stabilization works in place. maintenance. Reactive maintenance. muskeg Scheduled maintenance (Beaver IF NOT HIGH: Reactive Flooding dams). maintenance. Frequent culvert inspections (1 or IF NOT HIGH: Basic to IF NOT HIGH OR AVERAGE: Culvert more per week) AND scheduled average culvert inspections (4 Reactive maintenance. failure maintenance. or less per month) AND scheduled maintenance. Stabilization work in place IF NOT HIGH: Frequent to IF NOT HIGH OR AVERAGE: average slope inspections (2 Basic slope inspections (1 or Landslide or OR or more per month) AND less per month) AND reactive steep slope Frequent slope inspections (1 or scheduled slope maintenance. slope maintenance. cut instability more per week) AND scheduled slope maintenance. Protection work in place. IF NOT HIGH: Scheduled IF NOT HIGH OR AVERAGE: Debris flow debris area maintenance Reactive debris area or snow (avalanche control in the area). maintenance (avalanche control avalanches in the area) (Clean-up). River erosion Stabilization / protection work in IF NOT HIGH: Scheduled IF NOT HIGH OR AVERAGE: or avulsion place. maintenance. Reactive maintenance. Table 14 Safety Measures Factor Criteria for derailment causes C10 for –
Hazards C10 - Relative criteria High Average Low Settlements in soft clay or muskeg Subgrade improvement or stabilization works in place. IF NOT HIGH: Scheduled maintenance. IF NOT HIGH OR AVERAGE: Reactive maintenance. Flooding Scheduled maintenance (Beaver dams). IF NOT HIGH: Reactive maintenance. Culvert failure Frequent culvert inspections (1 or more per week) AND scheduled maintenance. IF NOT HIGH: Basic to average culvert inspections (4 or less per month) AND scheduled maintenance. IF NOT HIGH OR AVERAGE: Reactive maintenance. Landslide or steep slope cut instability Stabilization work in place OR Frequent slope inspections (1 or more per week) AND scheduled slope maintenance. IF NOT HIGH: Frequent to average slope inspections (2 or more per month) AND scheduled slope maintenance. IF NOT HIGH OR AVERAGE: Basic slope inspections (1 or less per month) AND reactive slope maintenance. Debris flow or snow avalanches Protection work in place. IF NOT HIGH: Scheduled debris area maintenance (avalanche control in the area). IF NOT HIGH OR AVERAGE: Reactive debris area maintenance (avalanche control in the area) (Clean-up). River erosion or avulsion Stabilization / protection work in place. IF NOT HIGH: Scheduled maintenance. IF NOT HIGH OR AVERAGE: Reactive maintenance. Table 14 Safety Measures Factor Criteria for derailment causes C10 – for