API RP 581 - 3rd Ed.2016 - Add.2-2020 - Risk-Based Inspection Methodology

3-8 API RECOMMENDED PRACTICE 581
3.10 Figures
Fluid Properties
at Storage and
Ambient
Conditions
See 4.1
Calculate
Theoretical
Release Rate
See 4.3
Range of Hole
Sizes
See 4.2
Estimate the Amount of Fluid
Available for Release
See 4.4
Determine if Release is
Continuous or Instantaneous
See 4.5
Assess the Impact of
Detection and Isolation
Systems
See 4.6
Determine the Release Rate
and the Release Mass
See 4.7
Calculate Flammable
Consequence Area
See 4.8
Calculate Toxic
Consequence Area
Section 4.9
Calculate Nonflammable, ,
Nontoxic Consequence
Area , See 4.10
Calculate Final
Probability Weighted
Consequence Areas
See 4.11
Calculate Financial
Consequences
Section 4.12
Figure 3.1—Level 1 COF Methodology