The 4” Natural Gas vent line has suffered from external corrosion
4 Inch Natural Gas Vent Line

The 4” Natural Gas vent line has suffered from external corrosion
Areas of wall loss were identified on the elbow of a 3” carbon steel line
900mm reducer on the salt water discharge line is suffering from severe internal erosion and internal lining failure
The 1” branch coming off the 8” fire main was found to be suffering from severe external corrosion.
The 6” Fuel Oil Line has suffered from severe CUI close to and on the Tee section.
Internal wall thinning and through wall leaks in various locations
A 4 metre section of this line is suffering from external corrosion resulting in low remaining wall thickness.
The 24” line was found to be suffering from severe ‘full circumferential’ external corrosion.
Concerns of internal wall thinning at the weld of the reducer
A liquid line with severe external corrosion and scabbing around the Tee circumferential weld.