If a vessel is required to have a double bottom, a watertight transverse division must be located in the double bottom under each main transverse watertight bulkhead or as near as practicable to the main transverse watertight bulkhead. If a vessel also has duct keels, the transverse divisions need not extend across them.
authority: 46 U.S.C. 2103,
3306; E.O. 12234, 45 FR 58801, 3 CFR, 1980 Comp., p. 277; Department of Homeland Security Delegation No. 0170.1
source: CGD 79-023, 48 FR 51017, Nov. 4, 1983, unless otherwise noted.
cite as: 46 CFR 171.109