APPENDIX A (continued)
Have test wires been installed on buried structures?
Where can connections to buried structures be made? Exposed
valves, sections of pipe, etc.
Get complete drawings of all facilities:
following are usually included:
Be sure they are the latest.
Ask to be kept advised of any changes.
Test station locations.
Test station wiring diagrams.
Insulation joint locations.
Insulation joint types.
Get the following information on ownership of facilities:
Gas, water, power, telephone, etc. - Which are to be included in
project? Which are "utility owned?"
Where does utility's ownership end and plant's jurisdiction
Will the utility install insulation?
Are utility companies using cathodic protection?
Have the utility companies made any tests or investigations on
the systems covered by this survey?
What life does the owner expect from facilities?
What does a corrosion failure cost?
(Each type facility.)
Are any facilities extremely critical?
(No failures of any kind to be
tolerated because of cost or hazard.)
Have any corrosion failures been experienced?