[Code of Federal Regulations]
[Title 46, Volume 1]
[Revised as of Octobery 1, 2004]
From the U.S. Government Printing Office via GPO Access
[CITE: 46CFR35.01-50]

[Page 467]
 
                           TITLE 46--SHIPPING
 
         CHAPTER I--COAST GUARD, DEPARTMENT OF HOMELAND SECURITY
 
PART 35_OPERATIONS--Table of Contents
 
              Subpart 35.01_Special Operating Requirements
 
Sec. 35.01-50  Special operating requirements for tank barges carrying 
certain dangerous bulk cargoes--B/ALL.

    (a) The requirements of this section shall apply to all tank barges 
carrying those cargoes listed on Table 30.25-1, of this chapter, which 
are defined as:
    (1) Flammable liquids having a Reid vapor pressure in excess of 25 
pounds per square inch, absolute, in independent tanks (part 32 of this 
subchapter).
    (2) Liquefied flammable gases (part 38 of this subchapter).
    (b) All tank barges constructed or modified in conformance with the 
requirements of subpart 32.63 of this subchapter are exempt from the 
provisions of Sec. 35.01-45.
    (c) When it is necessary to operate box or square-end barges as lead 
barges of tows, the person in charge of the towing vessel shall control 
the speed to insure protection against diving and swamping of such 
barges, having due regard to their design and freeboard, and to the 
operating conditions.
    (d) All barges, while carrying in bulk any of the cargoes described 
in paragraph (a) of this section, shall be operated in conformance with 
the provisions of this section. However, the provisions of this section 
are not applicable to such barges when empty and gas-freed.
    (e) Barges shall not be moved from a loading facility unless all 
bilges and void spaces (except those used for ballasting) are 
substantially free of water. Periodic inspections and necessary pumping 
shall be carried out to insure maintenance of such water-free condition 
in order to minimize the free surface effects, both in the longitudinal 
and transverse directions. Except when otherwise considered necessary 
for inspection or pumping, all hatch covers and other hull closure 
devices for void spaces and hull compartments other than cargo spaces 
shall be closed and secured at all times.
    (f) During the time the cargo tanks contain dangerous cargoes 
described in paragraph (a) of this section in any amount, in the liquid 
or gaseous state, the barge shall be under constant surveillance.
    (1) A strict watch of each unmanned barge in tow shall be maintained 
from the towing vessel while underway.
    (2) A towing vessel engaged in transporting such unmanned barges 
shall not leave them unattended. When a barge is moored, but not gas 
free, it shall be under the observation of a watchman who may be a 
member of the complement of the towing vessel, or a terminal employee, 
or other person. Such person shall be responsible for the security of 
the barge and for keeping unauthorized persons off the barge.
    (g) The owner, operator, master, or person in charge of any barge 
carrying dangerous cargoes described in paragraph (a) of this section 
shall insure that, while the barge is being towed and during cargo 
transfer operations, the persons as required by Sec. 31.15-5 of this 
subchapter and Sec. 35.35-1 are provided.

[CGFR 65-50, 30 FR 16704, Dec. 30, 1965, as amended by CGFR 70-10, 35 FR 
3709, Feb. 25, 1970; CGD 73-243, 45 FR 18000, Mar. 20, 1980]