Barge at large not discharged.

Constango Operators Inc. built a pipeline beneath the Atchafalaya Channel.  Unfortunately, the Corps of Engineers neglected to forward information about that new pipeline to its Waterways Division, which supervises dredging operations. A dredging barge operated by Weeks Marine (the G.D. MORGAN, right) then hit the pipeline. The resulting trial awarded damages to Constango, with the U.S. liable for 60% and Weeks 40%, and the Fifth Circuit affirmed.

The opinion turns largely on issues or maritime law and the applicable federal regulations, but has three features of broad general interest:

1. An exceptionally clear definition of “extrinsic evidence” as “anything outside a contract itself,” which excluded consideration of material from the Federal Register and CFR in construing an exculpatory clause;
2. A reminder that a duty of care can arise from common law even though regulations control and define some aspects of the parties’ dealings; and
3. A reminder, under general tort law, that “[t]he fact that Weeks followed the custom of the dredging industry is not dispositive, because a common practice can still be negligent.”

Contango Operators, Inc. v. USA, No. 14-20265 (May 28, 2015, unpublished).