API RP 2611 : 2011

1 Scope
2 Normative References
3 Terms, Acronyms, and Definitions
4 Owner/User Inspection Organization
5 Inspection of Piping
6 Frequency and Extent of Inspection of Above
  Ground Piping
7 Frequency and Extent of Inspection of Below
  Ground Piping
8 Repairs To Piping Systems
9 Marine Facilities Inspection/Frequency
Annex A (normative) - Inspector Qualifications
Annex B (informative) - Summary of Cited Inspections
Annex C (informative) - Guidance on Pipe Wall Retirement
                        Thickness
Annex D (informative) - Sample External Inspection Checklist
                        for Process Piping
Annex E (informative) - Sample Inspection Checklists for
                        Above Ground Piping
Bibliography

Defines the inspection of typical terminal piping systems within terminal boundaries, which includes off-plot piping. Off-plot piping includes, but is not limited to piping between facilities, piping that comes from or goes to a refinery, or other type facility, or piping that may cross a road, ditch or other property outside the confines of a terminal facility.