Page 8: of Marine News Magazine (May 2016)

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BY THE NUMBERS

Enhancing Sleep Ef? ciency on Vessels in the Tug/Towboat/Barge Industry

Human error related to operator fatigue is a major con- theless, AWO EVP & COO Jennifer Carpenter hailed cern in all freight operations. Beyond this, 7 to 8 hours of the report, saying, “The TRB study is the latest contribu- sleep per 24-hour day is required to maintain acceptable tion to a growing body of scienti? c research in multiple levels of alertness and minimize fatigue. A new report, transportation modes that demonstrates that splitting overseen by the Transportation Research Board and ap- sleep into two periods can be a safe and effective way to proved by the National Academies of Sciences, Engineer- manage fatigue in 24/7 operating environments like the ing, and Medicine (Enhancing Sleep Ef? ciency on Vessels tugboat, towboat and barge industry.” in the Tug/Towboat/Barge Industry) provides best prac- A major goal of this research was to understand and tices, including the use of anchor-sleep/nap-sleep strate- implement best practices that will allow tug/towboat/ gies, to improve sleep and reduce fatigue on U.S. inland barge crews to obtain 7 to 8 hours of sleep split into two waterways. The 180-page report examines watch shifts sleep periods while on a 6:6:6:6 square watch. The results employing a schedule of “6 hours on/6 hours off,” and of these studies allowed the development of strategies for whether or not changes to this system are warranted. obtaining suf? cient sleep on board these vessels that can

While there are no hours-of-service regulations be- now be implemented and communicated to other stake- yond the 15-hours-on-duty limit, 46 United States Code holders, including the USCG and NTSB. It is expected (U.S.C.) 8904(c) gives the U.S. Coast Guard authority to that the development of best practices strategies and edu- establish them. The (Federal Register/Vol. 76, No. 155, cational materials will increase sleep and reduce human

August 11, 2011/Proposed Rules) stated that it was con- errors due to fatigue not only for crews on tugs/towboats/ sidering, “requirements to increase uninterrupted sleep barges, but also in other industries that require the use of duration to a threshold of at least 7 consecutive hours in an anchorsleep/nap-sleep strategy to maintain alertness one of the two available off periods...” and minimize fatigue during on-duty operations for in-

Strict adherence to such requirements would ban the dividuals in 24/7 work environments.

most common work schedules in the tug/towboat/barge A major challenge is the diversity of operations (har- industry. All of that said; the report concludes that “there bor, line, seasonal) and company size (3 to 2,000 employ- is currently no scienti