[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: 46CFR174.315]

[Page 180]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 174--SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES--Table of Contents
 
      Subpart I--Hopper Dredges With Working Freeboard Assignments
 
Sec. 174.315  Extent and character of damage.

    (a) The calculations required by Sec. 174.310 must show that the 
dredge can survive damage at any location along the length of the vessel 
including at a transverse bulkhead in accordance with paragraph (b) of 
this section.
    (b) The calculations required by paragraph (a) of this section must 
assume the most disabling side penetration with the damage collision 
penetration provided by Table 174.315, except that if the most disabling 
damage collision penetrations would be less than those provided by Table 
174.315, the smaller damage collision penetration must be assumed.

          Table 174.315--Extent of Damage Collision Penetration
Longitudinal extent.......................  0.495L2/3 or 47.6 feet. [(\1/
                                             3\)(L)2/3 or 14.5 meters]
                                             whichever is less.
Transverse extent \1\.....................  B/5 or 37.7 feet. (11.5
                                             meters), whichever is less.
Vertical extent...........................  From the base line upward
                                             without limit.
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\1\ Damage applied inboard from the vessel's side at a right angle to
  the centerline at the draft corresponding to the working freeboard
  assigned under subchapter E of this chapter.