Above ground storage tanks - PART 2 9. Splash plate corrosion at welds atmospheric corrosion coating damage, if applicable pitting due to chloride salt deposition in marine environment 10. Spiral staircase corrosion at welds of individual bars and critical joints to the tank coating damage and delamination cracks near welds uniform corrosion at exposed surface near delamination galvanic corrosion near weld/staircase/tank interface due to dissimilar alloys 11. Manometer corrosion of screws, nuts, and bolts used for attachment possible moisture penetration in case of cracks due to improper handling 12. Manhole Internal corrosion due to water either as a moisture or as storage product External coating damage due to moisture penetration, dust, rainfall, UV radiation Coating damage at fixtures and edges galvanic corrosion at nuts and bolts due to dissimilar alloys atmospheric corrosion at area where coating...
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