|
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 double-hull tanks (if applicable)
|
|
|
|
| Plating
|
|
|
|
| Longitudinals
|
|
|
|
| Longitudinal stringers
|
|
|
|
|
Longitudinal bulkhead inner side (if applicable)
|
|
|
|
| Plating
|
|
|
|
| Longitudinals (if
applicable)
|
|
|
|
| Longitudinal
girders (if applicable)
|
|
|
|
| Longitudinals or
ordinary transverse frames
|
|
|
|
| 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
|
|
|
|
| Transverse web
frames in hopper tanks
|
|
|
|
| Plating
|
|
|
|
| Flanges
|
|
|
|
| Stiffeners
|
|
|
|
| Transverse web
frames in double-side tanks
|
|
|
|
| Plating
|
|
|
|
| Flanges
|
|
|
|
| Stiffeners
|
|
|
|
| Hatch
covers
|
|
|
|
| Plating
|
|
|
|
| Stiffeners
|
|
|
|
|
Hatch coamings
|
|
|
|
| Plating
|
|
|
|
| Stiffeners
|
|
|
|