[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: 46CFR197.312]

[Page 426]
 
                           TITLE 46--SHIPPING
 
   CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY (CONTINUED)
 
PART 197--GENERAL PROVISIONS--Table of Contents
 
                 Subpart B--Commercial Diving Operations
 
Sec. 197.312  Breathing supply hoses.

    (a) Each breathing supply hose must--
    (1) Have a maximum working pressure that is equal to or exceeds--
    (i) The maximum working pressure of the section of the breathing 
supply system in which used; and
    (ii) The pressure equivalent of the maximum depth of the dive 
relative to the supply source plus 100 psig;
    (2) Have a bursting pressure of four times its maximum working 
pressure;
    (3) Have connectors that--
    (i) Are made of corrosion-resistant material;
    (ii) Are resistant to accidental disengagement; and
    (iii) Have a maximum working pressure that is at least equal to the 
maximum working pressure of the hose to which they are attached; and
    (4) Resist kinking by--
    (i) Being made of kink-resistant materials; or
    (ii) Having exterior support.
    (b) Each umbilical must--
    (1) Meet the requirements of paragraph (a) of this section; and
    (2) Be marked from the diver or open bell end in 10-foot intervals 
to 100 feet and in 50-foot intervals thereafter.