174.020—Alternate intact stability criterion.
A barge need not comply with § 174.015 and subparts C and E of part 170 of this chapter if it has the following characteristics:
(b)
The barge's hull proportions fall within any one of the ratios in categories (A) through (D) in Table 174.020.
(c)
The maximum cargo height is 30 feet (9.25 meters) or a value equal to the depth of the barge amidships, whichever is less.
Category | Beam/depth ratio | Draft/depth ratio |
---|---|---|
A | 3.00 to 3.74 | Equal to or less than 0.70. |
B | 3.75 to 3.99 | Equal to or less than 0.72. |
C | 4.00 to 4.49 | Equal to or less than 0.76. |
D | 4,50 to 6.00 | Equal to or less than 0.80. |