|
Area or location
|
Original thickness (mm)
|
as-built
|
Minimum thickness (mm)
|
Substantial thickness (mm)
|
corrosion
|
|
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-side tanks (if applicable)
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Longitudinals or ordinary
transverse frames
|
|
|
|
|
|
| Longitudinal stringers
|
|
|
|
|
|
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 in topside tanks
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Flanges
|
|
|
|
|
|
| Stiffeners
|
|
|
|
|
|
|
Transverse web in hopper tanks
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Flanges
|
|
|
|
|
|
| Stiffeners
|
|
|
|
|
|
|
Transverse web in double-side tanks
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Flanges
|
|
|
|
|
|
| Stiffeners
|
|
|
|
|
|
|
Hatch covers
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Stiffeners
|
|
|
|
|
|
|
Hatch coamings
|
|
|
|
|
|
| Plating
|
|
|
|
|
|
| Stiffeners
|
|
|
|
|
|
|
Note:
|
The wastage allowance tables should be attached
to the survey programme.
|