Indicates value has not been initialized or is invalid.

Covers that were not on the barge were spread across the barge.
(CICA Code: AddSpread)

Covers that were not on the barge were stacked on the top of the barge.
(CICA Code: AddStacked)

A cover handling was performed that is not in the list of barge cover handling types.
(CICA Code: Other)

Covers were removed and replaced. Typically done because the covers were preventing automatic unloading.
(CICA Code: RemoveAndReplace)

Covers were removed and placed in hopper.
(CICA Code: RemoveToHopper)

Covers were removed to a place other than the hopper or the shore.
(CICA Code: RemoveToOther)

Covers were removed and placed on the shore.
(CICA Code: RemoveToShore)

Covers realigned to sit properly on the barge.
(CICA Code: Reset)

Rolling covers were closed.
(CICA Code: RollClose)

Rolling covers were opened to allow access to hopper and then closed.
(CICA Code: RollCovers)

Rolling covers were opened to allow access to hopper.
(CICA Code: RollOpen)

Rolling covers that were stacked on the barge were replaced and then closed.
(CICA Code: RollSpread)

Rolling covers were removed and stacked on the barge.
(CICA Code: RollStack)

Covers that were stacked on the barge were spread across the barge.
(CICA Code: Spread)

Covers that were spread across the barge were stacked on the barge.
(CICA Code: Stack)

Covers were placed in three stacks on coamings instead of at either end of barge.
(CICA Code: Stack3)