Page 281 - Pipeline Risk Management Manual Ideas, Techniques, and Resources

13/258 Stations and Surface Facilities
Identify risk
assessment model .-. Station facilities
-.
-.
structure -. risk assessment
model
(document)
..
.-
.*
Identify all probability .I-
variables and /_.*-
consequence

,-,o,o 0 0 0 0-
Identify critical Risk model
variables to be --------- (spreadsheet/
,
included in model , database)

Risk assessment
procedures
(manual)

Establish scoring and - - - - - - - -- -----1
auditing procedures

Perform necessary supporting
calculations (stresses, release ..
parameters, etc.) '.

Gather data, apply algorithm to ,''
pilot facilities r"'-'--'-----------------~

I Establish on-going risk - - - - - : Decision support tools i
I management program Resource allocation model I
--
*------------------------- ! Prioritized maintenance Dlannina !
'-,-----------------------.
:
I
Administrative procedures
Figure 13.1 Risk management system for stations.
Because of increased property control and opportunities for on the pipeline ROW. Stations handling gaseous products nor-
observation, the cause, size, duration, and impact of leaks at sta- mally have vents, flares, and safety systems designed to minimize
tions are often smaller than a pipeline failure. Liquid facilities off-site excursions of product releases. Given the differences
usually have spill containment berms and storm water collection between pipeline ROW and the associated surface facilities, it is
systems, as well as equipment leak detection and capture system, not surprising that leak experiences are also different.
so the potential for a product release to reach the surroundmg Figure 13.2 shows that liquid pipeline station facility leak
environment is significantly mitigated compared with a release volumes are approximately 35% of line pipe leakvolumes, per