§171.106. Wells in double bottoms.

46 C.F.R. § 171.106

(a)

This section applies to each vessel that has a well installed in a double bottom required by § 171.105.

(b)

Except as provided in paragraph (c) of this section—

(1)

The depth of a well must be at least 18 inches (45.7 cm) less than the depth of the double bottom at the centerline; and

(2)

The well may not extend below the horizontal plane C illustrated in Figure 171.105.

(c)

A well may extend to the outer bottom of a double bottom at the after end of a shaft tunnel.

Notes, amendments, and revision history

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.