[Code of Federal Regulations]
[Title 46, Volume 7]
[Revised as of October 1, 2003]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR171.106]

[Page 138-139]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 171--SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS--Table of Contents
 
             Subpart D--Additional Subdivision Requirements
 
Sec. 171.106  Wells in double bottoms.

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

[[Page 139]]

    (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.