Voluntary thickness addition is the thickness that is voluntarily added by the owner or builder as extra margin against corrosion wastage, beyond what is required by the applicable rules.
| Schema version | 3.2.0 |
|---|---|
| Schema location | .\OCX_Schema.xsd |
| Namespace | https://3docx.org/fileadmin//ocx_schema//V320//OCX_Schema.xsd |
| Created | 2026-09-09T11:33:00Z |