(a) Each Type “B” vessel is assigned a freeboard from table 42.20-15(b)(1) that is increased or decreased by the provisions of this section.

(b) Each Type “B” vessel that has a hatchway in position 1, must have the freeboard assigned in accordance with paragraph (a) of this section increased by the amount given in table 42.20-5(b) unless the hatch cover complies with:

(1) Section 42.15-25(d); or

(2) Section 42.15-30.

Table 42.20-5(b)—Freeboard Increase Over Tabular Freeboard for Type “B” Vessels With Hatch Covers Not Complying With §42.15-25(d) or §42.15-30.

[Metric]

Open Table
Length of ship (meters) Freeboard increase1 (millimeters)
2108 50
109 52
110 55
111 57
112 59
113 62
114 64
115 68
116 70
117 73
118 76
119 80
120 84
121 87
122 91
123 95
124 99
125 103
126 108
127 112
128 116
129 121
130 126
131 131
132 136
133 142
134 147
135 153
136 159
137 164
138 170
139 175
140 181
141 186
142 191
143 196
144 201
145 206
146 210
147 215
148 219
149 224
150 228
151 232
152 236
153 240
154 244
155 247
156 251
157 254
158 258
159 261
160 264
161 267
162 270
163 273
164 275
165 278
166 280
167 283
168 285
169 287
170 290
171 292
172 294
173 297
174 299
175 301
176 304
177 306
178 308
179 311
180 313
181 315
182 318
183 320
184 322
185 325
186 327
187 329
188 332
189 334
190 336
191 339
192 341
193 343
194 346
195 348
196 350
197 353
198 355
199 357
3200 358

1Freeboards at intermediate lengths of ship shall be obtained by linear interpolation.

2108 and below.

3Ships above 200 meters in length are subject to individual determination by the Commandant.

[English]

Open Table
Length of ship (feet) Freeboard increase1 (inches)
2350 2.0
360 2.3
370 2.6
380 2.9
390 3.3
400 3.7
410 4.2
420 4.7
430 5.2
440 5.8
450 6.4
460 7.0
470 7.6
480 8.2
490 8.7
500 9.2
510 9.6
520 10.0
530 10.4
540 10.7
550 11.0
560 11.4
570 11.8
580 12.1
590 12.5
600 12.8
610 13.1
620 13.4
630 13.6
640 13.9
650 14.1
3660 14.3

1Freeboards at intermediate lengths of ship be obtained by linear interpolation.

2350 and below.

3Ships above 660 feet in length are subject to individual determination by the Commandant.

(c) Any Type “B” vessel that is greater than 100 meters (328 feet) in length and any hopper dredge meeting the requirements in subpart C of part 44 of this chapter may have a reduced freeboard from that assigned under table 42.20-15(b)(1) in accordance with paragraph (d) or paragraph (e) of this section if—

(1) The measures provided for the protection of the crew are adequate;

(2) The freeing arrangements are adequate; and

(3) The hatchway covers in positions 1 and 2 comply with the provisions of §42.15-30 and have adequate strength, special care being given to their sealing and securing arrangements.

(d) The freeboards for a Type “B” vessel which comply with paragraph (c) of this section may be reduced up to 60 percent of the total difference between the freeboards in table 42.20-15(b)(1) and table 42.20-15(a)(1) provided that the vessel meets the flooding standard in §42.20-7.

(e) The freeboards for a Type “B” vessel which complies with paragraph (c) of this section may be reduced up to the total difference between the freeboard tables referenced in paragraph (d) of this section provided that the vessel meets the flooding standard in §42.20-8 and the provisions of §42.15-80 (a), (b) and (d) as if it were a Type “A” vessel.

[CGD 79-153, 48 FR 38647, Aug. 25, 1983, as amended by CGD 76-080, 54 FR 36976, Sept. 6, 1989]


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