[Code of Federal Regulations]
[Title 46, Volume 2]
[Revised as of October 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR45.77]

[Page 81-82]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 45_GREAT LAKES LOAD LINES--Table of Contents
 
                          Subpart C_Freeboards
 
Sec. 45.77  Salt water freeboard.

    (a) The salt water addition in inches to freeboard applicable to 
each fresh water mark is obtained by the formula:

Addition=[Delta]/41T

where:

[Delta]=displacement in fresh water, in tons of 2,240 pounds, at the 
summer load waterline.
T=tons per inch immersion, of 2,240 pounds, in fresh water at the summer 
load waterline.

    (b) When the displacement at the summer load waterline cannot be 
certified, the addition in inches to the minimum freeboard in fresh 
water may be obtained by multiplying 0.25 by the summer draught in feet 
measured from

[[Page 82]]

the top of the keel to the center of the load line diamond.