Area or location
|
Original as-built thickness (mm)
|
Minimum thickness (mm)
|
Substantial corrosion thickness (mm)
|
Deck
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Longitudinal girders
|
|
|
|
Cross deck plating
|
|
|
|
Cross deck stiffeners
|
|
|
|
Bottom
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Longitudinal girders
|
|
|
|
Inner bottom
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Longitudinal girders
|
|
|
|
Floors
|
|
|
|
Ship side in way of topside tanks
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Ship side in way of hopper side tanks
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Ship side in way of tanks (if applicable)
|
|
|
|
Plating
|
|
|
|
Longitudinals
|
|
|
|
Longitudinal stringers
|
|
|
|
Ship side in way of cargo holds
|
|
|
|
Plating
|
|
|
|
Side frames webs
|
|
|
|
Side frames flanges
|
|
|
|
Upper brackets webs
|
|
|
|
Upper brackets flanges
|
|
|
|
Lower brackets webs
|
|
|
|
Lower brackets flanges
|
|
|
|
Longitudinal bulkhead if applicable
|
|
|
|
Plating
|
|
|
|
Longitudinals if applicable
|
|
|
|
Longitudinal girders if
applicable
|
|
|
|
Transverse bulkheads
|
|
|
|
Plating
|
|
|
|
Stiffeners if applicable
|
|
|
|
Upper
stool plating
|
|
|
|
Upper
stool stiffeners
|
|
|
|
Lower
stool plating
|
|
|
|
Lower
stool stiffeners
|
|
|
|
Transverse web frames in topside tanks
|
|
|
|
Plating
|
|
|
|
Flanges
|
|
|
|
Stiffeners
|
|
|
|
Transverse web frames in hopper tanks
|
|
|
|
Plating
|
|
|
|
Flanges
|
|
|
|
Stiffeners
|
|
|
|
Hatch covers
|
|
|
|
Plating
|
|
|
|
Stiffeners
|
|
|
|
Hatch coamings
|
|
|
|
Plating
|
|
|
|
Stiffeners
|
|
|
|