Page 65 - Pipeline Risk Management Manual Ideas, Techniques, and Resources

3/44 Third-party Damage Index

Figure 3.1 Basic risk assessment model.

Soil cover
Type of soil (rock, clay, sand, etc.)
Pavement type (asphalt, concrete, none, etc.)
Warning tape or mesh
Water depth
Population density
Stability of the area (construction, renovation, etc.)
One calls
Other buried utilities
Minimum depth of cover Anchoring, dredging
----- Threats (traffic volume, traffic type, aircraft, etC.)
Activity level Vulnerability (distance, barriers, etc.)
Aboveground facilities Mandated
-
Response by owner
One-call system -.
Well-known and used
Public education
Frequency
Right-of-way condition Methods (door-to-door, mail, advertisements, etC.)
1
Patrol Signs (size, spacing, lettering, phone numbers, etc.)
Markers (air vs ground, size, visibility, spacing, etc.)
Overgrowth
Undergrowth
Ground patrol frequency
Ground patrol effectiveness
Air patrol frequency
Air patrol effectiveness

Figure 3.2 Assessing third-party damage potential: sample of data used to score the third-party damage index.