|
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
|
|
|
|