46 C.F.R. § 42.20-5 Freeboard assignment: Type “B” vessels.
Title 46 - Shipping
(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. (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]
Title 46: Shipping
PART 42—DOMESTIC AND FOREIGN VOYAGES BY SEA
Subpart 42.20—Freeboards
§ 42.20-5 Freeboard assignment: Type “B” vessels.
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]------------------------------------------------------------------------ Length of ship (meters) Freeboard increase \1\ (millimeters)------------------------------------------------------------------------ \2\108 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 \3\200 358------------------------------------------------------------------------\1\ Freeboards at intermediate lengths of ship shall be obtained by linear interpolation.\2\ 108 and below.\3\ Ships above 200 meters in length are subject to individual determination by the Commandant.
[English]------------------------------------------------------------------------ Length of ship (feet) Freeboard increase \1\ (inches)------------------------------------------------------------------------ \2\350 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 \3\660 14.3------------------------------------------------------------------------\1\ Freeboards at intermediate lengths of ship be obtained by linear interpolation.\2\ 350 and below.\3\ Ships above 660 feet in length are subject to individual determination by the Commandant.
