C 4, SB 740-97-38
APPENDIX III-OO
ITEM DEFECTS FOR PIPING SYSTEM, ASPHALT
Classification
Item
Defect
Major
Minor
A
B
PIPE, TUBING, UNLOADING HOSE,
JACKETED FLEX AND
UNJACKETED FLEX:
Stage III corrosion on interior surfaces; stage IV
corrosion on exterior surfaces; bent or dis-
torted; damaged threads...............................................................................x
Stage II corrosion on interior surfaces; stage III
corrosion on exterior surfaces.......................................................................
x
VALVES:
Stage III corrosion on interior surfaces; stage IV
corrosion on exterior surfaces; frozen or
damaged; flanges damaged..........................................................................x
Stage II corrosion on interior surfaces; stage III
corrosion on exterior surfaces.......................................................................
x
PIPE FITTINGS:
Stage III corrosion on interior surfaces; stage IV
corrosion on exterior surfaces; damaged threads
and/or flanges...............................................................................................x
Stage II corrosion on interior surfaces; stage III
corrosion on exterior surfaces.......................................................................
x
GASKETS:
Excessive moisture, fungus, mildew, rot, or
delamination..................................................................................................x
BOLTS AND NUTS:
Stage IV corrosion ..............................................................................................x
Stage III corrosion...............................................................................................
x
Stage II corrosion................................................................................................
x
TECHNICAL PUBLICATIONS:
Missing ...............................................................................................................x
III-OO-1
