Title 46

Volume 7 CHAPTER I SUBCHAP S

Subchapter S - Subdivision And Stability

46:7.0.1.2.5PART 170
PART 170 - STABILITY REQUIREMENTS FOR ALL INSPECTED VESSELS
46:7.0.1.2.5.1SUBPART A
Subpart A - General Provisions
46:7.0.1.2.5.1.59.1SECTION 170.001
     170.001 Applicability.
46:7.0.1.2.5.1.59.2SECTION 170.003
     170.003 Right of appeal.
46:7.0.1.2.5.1.59.3SECTION 170.005
     170.005 Vessel alteration or repair.
46:7.0.1.2.5.1.59.4SECTION 170.010
     170.010 Equivalents.
46:7.0.1.2.5.1.59.5SECTION 170.015
     170.015 Incorporation by reference.
46:7.0.1.2.5.1.59.6SECTION 170.020
     170.020 OMB control numbers assigned pursuant to the Paperwork Reduction Act.
46:7.0.1.2.5.2SUBPART B
Subpart B - Definitions
46:7.0.1.2.5.2.59.1SECTION 170.050
     170.050 General terms.
46:7.0.1.2.5.2.59.2SECTION 170.055
     170.055 Definitions concerning a vessel.
46:7.0.1.2.5.3SUBPART C
Subpart C - Plan Approval
46:7.0.1.2.5.3.59.1SECTION 170.070
     170.070 Applicability.
46:7.0.1.2.5.3.59.2SECTION 170.075
     170.075 Plans.
46:7.0.1.2.5.3.59.3SECTION 170.080
     170.080 Stability booklet.
46:7.0.1.2.5.3.59.4SECTION 170.085
     170.085 Information required before a stability test.
46:7.0.1.2.5.3.59.5SECTION 170.090
     170.090 Calculations.
46:7.0.1.2.5.3.59.6SECTION 170.093
     170.093 Specific approvals.
46:7.0.1.2.5.3.59.7SECTION 170.095
     170.095 Data submittal for a vessel equipped to lift.
46:7.0.1.2.5.3.59.8SECTION 170.100
     170.100 Addresses for submittal of plans and calculations.
46:7.0.1.2.5.4SUBPART D
Subpart D - Stability Instructions for Operating Personnel
46:7.0.1.2.5.4.59.1SECTION 170.105
     170.105 Applicability.
46:7.0.1.2.5.4.59.2SECTION 170.110
     170.110 Stability booklet.
46:7.0.1.2.5.4.59.3SECTION 170.120
     170.120 Stability letter.
46:7.0.1.2.5.4.59.4SECTION 170.125
     170.125 Operating information for a vessel engaged in lifting.
46:7.0.1.2.5.4.59.5SECTION 170.135
     170.135 [Reserved]
46:7.0.1.2.5.4.59.6SECTION 170.140
     170.140 Operating information for a vessel constructed on or after January 1, 2009 and issued a SOLAS safety certificate.
46:7.0.1.2.5.5SUBPART E
Subpart E - Intact Stability Criteria
46:7.0.1.2.5.5.59.1SECTION 170.160
     170.160 Specific applicability.
46:7.0.1.2.5.5.59.2SECTION 170.165
     170.165 International Code on Intact Stability.
46:7.0.1.2.5.5.59.3SECTION 170.170
     170.170 Weather criteria.
46:7.0.1.2.5.5.59.4SECTION 170.173
     170.173 Criterion for vessels of unusual proportion and form.
46:7.0.1.2.5.6SUBPART F
Subpart F - Determination of Lightweight Displacement and Centers of Gravity
46:7.0.1.2.5.6.59.1SECTION 170.174
     170.174 Specific applicability.
46:7.0.1.2.5.6.59.2SECTION 170.175
     170.175 Stability test: General.
46:7.0.1.2.5.6.59.3SECTION 170.180
     170.180 Plans and information required at the stability test.
46:7.0.1.2.5.6.59.4SECTION 170.185
     170.185 Stability test preparations.
46:7.0.1.2.5.6.59.5SECTION 170.190
     170.190 Stability test procedure modifications.
46:7.0.1.2.5.6.59.6SECTION 170.200
     170.200 Estimated lightweight vertical center of gravity.
46:7.0.1.2.5.7SUBPART G
Subpart G - Special Installations
46:7.0.1.2.5.7.59.1SECTION 170.235
     170.235 Fixed ballast.
46:7.0.1.2.5.7.59.2SECTION 170.245
     170.245 Foam flotation material.
46:7.0.1.2.5.8SUBPART H
Subpart H - Watertight Bulkhead Doors
46:7.0.1.2.5.8.59.1SECTION 170.248
     170.248 Applicability.
46:7.0.1.2.5.8.59.2SECTION 170.250
     170.250 Types and classes.
46:7.0.1.2.5.8.59.3SECTION 170.255
     170.255 Class 1 doors; permissible locations.
46:7.0.1.2.5.8.59.4SECTION 170.260
     170.260 Class 2 doors; permissible locations.
46:7.0.1.2.5.8.59.5SECTION 170.265
     170.265 Class 3 doors; required locations.
46:7.0.1.2.5.8.59.6SECTION 170.270
     170.270 Door design, operation, installation, and testing.
46:7.0.1.2.5.8.59.7SECTION 170.275
     170.275 Special requirements for cargo space watertight doors.
46:7.0.1.2.5.9SUBPART I
Subpart I - Free Surface
46:7.0.1.2.5.9.59.1SECTION 170.285
     170.285 Free surface correction for intact stability calculations.
46:7.0.1.2.5.9.59.2SECTION 170.290
     170.290 Free surface correction for damage stability calculations.
46:7.0.1.2.5.9.59.3SECTION 170.295
     170.295 Special consideration for free surface of passive roll stabilization tanks.
46:7.0.1.2.5.9.59.4SECTION 170.300
     170.300 Special consideration for free surface of spoil in hopper dredge hoppers.
46:7.0.1.2.6PART 171
PART 171 - SPECIAL RULES PERTAINING TO VESSELS CARRYING PASSENGERS
46:7.0.1.2.6.1SUBPART A
Subpart A - General
46:7.0.1.2.6.1.59.1SECTION 171.001
     171.001 Applicability.
46:7.0.1.2.6.1.59.2SECTION 171.010
     171.010 Definitions.
46:7.0.1.2.6.1.59.3SECTION 171.012
     171.012 Incorporation by reference.
46:7.0.1.2.6.1.59.4SECTION 171.015
     171.015 Location of margin line.
46:7.0.1.2.6.1.59.5SECTION 171.017
     171.017 One and two compartment standards of flooding.
46:7.0.1.2.6.2SUBPART B
Subpart B - Intact Stability
46:7.0.1.2.6.2.59.1SECTION 171.045
     171.045 Weight of passengers and crew.
46:7.0.1.2.6.2.59.2SECTION 171.050
     171.050 Passenger heel requirements for a mechanically propelled or a non-self propelled vessel.
46:7.0.1.2.6.2.59.3SECTION 171.052
     171.052 Passenger heel requirements for pontoon vessels.
46:7.0.1.2.6.2.59.4SECTION 171.055
     171.055 Intact stability requirements for a monohull sailing vessel or a monohull auxiliary sailing vessel.
46:7.0.1.2.6.2.59.5SECTION 171.057
     171.057 Intact stability requirements for a sailing catamaran.
46:7.0.1.2.6.3SUBPART C
Subpart C - Subdivision and Damage Stability
46:7.0.1.2.6.3.59.1SECTION 171.060
     171.060 Watertight subdivision: General.
46:7.0.1.2.6.3.59.2SECTION 171.065
     171.065 Subdivision requirements - Type I.
46:7.0.1.2.6.3.59.3SECTION 171.066
     171.066 Calculation of permeability for Type I subdivision.
46:7.0.1.2.6.3.59.4SECTION 171.067
     171.067 Treatment of stepped and recessed bulkheads in Type I subdivision.
46:7.0.1.2.6.3.59.5SECTION 171.068
     171.068 Special considerations for Type I subdivision for vessels on short international voyages.
46:7.0.1.2.6.3.59.6SECTION 171.070
     171.070 Subdivision requirements - Type II.
46:7.0.1.2.6.3.59.7SECTION 171.072
     171.072 Calculation of permeability for Type II subdivision.
46:7.0.1.2.6.3.59.8SECTION 171.073
     171.073 Treatment of stepped and recessed bulkheads in Type II subdivision.
46:7.0.1.2.6.3.59.9SECTION 171.075
     171.075 [Reserved]
46:7.0.1.2.6.3.59.10SECTION 171.080
     171.080 Damage stability standards for vessels with Type I or Type II subdivision.
46:7.0.1.2.6.4SUBPART D
Subpart D - Additional Subdivision Requirements
46:7.0.1.2.6.4.59.1SECTION 171.085
     171.085 Collision bulkhead.
46:7.0.1.2.6.4.59.2SECTION 171.090
     171.090 Aft peak bulkhead.
46:7.0.1.2.6.4.59.3SECTION 171.095
     171.095 Machinery space bulkhead.
46:7.0.1.2.6.4.59.4SECTION 171.100
     171.100 Shaft tunnels and stern tubes.
46:7.0.1.2.6.4.59.5SECTION 171.105
     171.105 Double bottoms.
46:7.0.1.2.6.4.59.6SECTION 171.106
     171.106 Wells in double bottoms.
46:7.0.1.2.6.4.59.7SECTION 171.108
     171.108 Manholes in double bottoms.
46:7.0.1.2.6.4.59.8SECTION 171.109
     171.109 Watertight floors in double bottoms.
46:7.0.1.2.6.5SUBPART E
Subpart E - Penetrations and Openings in Watertight Bulkheads
46:7.0.1.2.6.5.59.1SECTION 171.110
     171.110 Specific applicability.
46:7.0.1.2.6.5.59.2SECTION 171.111
     171.111 Penetrations and openings in watertight bulkheads in vessels of 100 gross tons or more.
46:7.0.1.2.6.5.59.3SECTION 171.112
     171.112 Watertight door openings.
46:7.0.1.2.6.5.59.4SECTION 171.113
     171.113 Trunks.
46:7.0.1.2.6.5.59.5SECTION 171.114
     171.114 Penetrations and openings in watertight bulkheads in a vessel less than a 100 gross tons.
46:7.0.1.2.6.6SUBPART F
Subpart F - Openings in the Side of a Vessel Below the Bulkhead or Weather Deck
46:7.0.1.2.6.6.59.1SECTION 171.115
     171.115 Specific applicability.
46:7.0.1.2.6.6.59.2SECTION 171.116
     171.116 Port lights.
46:7.0.1.2.6.6.59.3SECTION 171.117
     171.117 Dead covers.
46:7.0.1.2.6.6.59.4SECTION 171.118
     171.118 Automatic ventilators and side ports.
46:7.0.1.2.6.6.59.5SECTION 171.119
     171.119 Openings below the weather deck in the side of a vessel less than 100 gross tons.
46:7.0.1.2.6.7SUBPART G
Subpart G - Watertight Integrity Above the Margin Line
46:7.0.1.2.6.7.59.1SECTION 171.120
     171.120 Specific applicability.
46:7.0.1.2.6.7.59.2SECTION 171.122
     171.122 Watertight integrity above the margin line in a vessel of 100 gross tons or more.
46:7.0.1.2.6.7.59.3SECTION 171.124
     171.124 Watertight integrity above the margin line in a vessel less than 100 gross tons.
46:7.0.1.2.6.8SUBPART H
Subpart H - Drainage of Weather Decks
46:7.0.1.2.6.8.59.1SECTION 171.130
     171.130 Specific applicability.
46:7.0.1.2.6.8.59.2SECTION 171.135
     171.135 Weather deck drainage on a vessel of 100 gross tons or more.
46:7.0.1.2.6.8.59.3SECTION 171.140
     171.140 Drainage of a flush deck vessel.
46:7.0.1.2.6.8.59.4SECTION 171.145
     171.145 Drainage of a vessel with a cockpit.
46:7.0.1.2.6.8.59.5SECTION 171.150
     171.150 Drainage of a vessel with a well deck.
46:7.0.1.2.6.8.59.6SECTION 171.155
     171.155 Drainage of an open boat.
46:7.0.1.2.7PART 172
PART 172 - SPECIAL RULES PERTAINING TO BULK CARGOES
46:7.0.1.2.7.1SUBPART A
Subpart A - General
46:7.0.1.2.7.1.59.1SECTION 172.005
     172.005 Applicability.
46:7.0.1.2.7.2SUBPART B
Subpart B - Bulk Grain
46:7.0.1.2.7.2.59.1SECTION 172.010
     172.010 Applicability.
46:7.0.1.2.7.2.59.2SECTION 172.015
     172.015 Document of authorization.
46:7.0.1.2.7.2.59.3SECTION 172.020
     172.020 Incorporation by reference.
46:7.0.1.2.7.2.59.4SECTION 172.030
     172.030 Exemptions for certain vessels.
46:7.0.1.2.7.2.59.5SECTION 172.040
     172.040 Certificate of loading.
46:7.0.1.2.7.3SUBPART C
Subpart C - Special Rules Pertaining to a Barge That Carries a Cargo Regulated Under Subchapter D of This Chapter
46:7.0.1.2.7.3.59.1SECTION 172.047
     172.047 Specific applicability.
46:7.0.1.2.7.3.59.2SECTION 172.048
     172.048 Definitions.
46:7.0.1.2.7.3.59.3SECTION 172.050
     172.050 Damage stability.
46:7.0.1.2.7.4SUBPART D
Subpart D - Special Rules Pertaining to a Vessel That Carries a Cargo Regulated Under 33 CFR Part 157
46:7.0.1.2.7.4.59.1SECTION 172.060
     172.060 Specific applicability.
46:7.0.1.2.7.4.59.2SECTION 172.065
     172.065 Damage stability.
46:7.0.1.2.7.4.59.3SECTION 172.070
     172.070 Intact stability.
46:7.0.1.2.7.5SUBPART E
Subpart E - Special Rules Pertaining to a Barge That Carries a Hazardous Liquid Regulated Under Subchapter O of This Chapter
46:7.0.1.2.7.5.59.1SECTION 172.080
     172.080 Specific applicability.
46:7.0.1.2.7.5.59.2SECTION 172.085
     172.085 Hull type.
46:7.0.1.2.7.5.59.3SECTION 172.087
     172.087 Cargo loading assumptions.
46:7.0.1.2.7.5.59.4SECTION 172.090
     172.090 Intact transverse stability.
46:7.0.1.2.7.5.59.5SECTION 172.095
     172.095 Intact longitudinal stability.
46:7.0.1.2.7.5.59.6SECTION 172.100
     172.100 Watertight integrity.
46:7.0.1.2.7.5.59.7SECTION 172.103
     172.103 Damage stability.
46:7.0.1.2.7.5.59.8SECTION 172.104
     172.104 Character of damage.
46:7.0.1.2.7.5.59.9SECTION 172.105
     172.105 Extent of damage.
46:7.0.1.2.7.5.59.10SECTION 172.110
     172.110 Survival conditions.
46:7.0.1.2.7.6SUBPART F
Subpart F - Special Rules Pertaining to a Ship That Carries a Hazardous Liquid Regulated Under Subchapter O of This Chapter
46:7.0.1.2.7.6.59.1SECTION 172.125
     172.125 Specific applicability.
46:7.0.1.2.7.6.59.2SECTION 172.127
     172.127 Definitions.
46:7.0.1.2.7.6.59.3SECTION 172.130
     172.130 Calculations.
46:7.0.1.2.7.6.59.4SECTION 172.133
     172.133 Character of damage.
46:7.0.1.2.7.6.59.5SECTION 172.135
     172.135 Extent of damage.
46:7.0.1.2.7.6.59.6SECTION 172.140
     172.140 Permeability of spaces.
46:7.0.1.2.7.6.59.7SECTION 172.150
     172.150 Survival conditions.
46:7.0.1.2.7.7SUBPART G
Subpart G - Special Rules Pertaining to a Ship That Carries a Bulk Liquefied Gas Regulated Under Subchapter O of This Chapter
46:7.0.1.2.7.7.59.1SECTION 172.155
     172.155 Specific applicability.
46:7.0.1.2.7.7.59.2SECTION 172.160
     172.160 Definitions.
46:7.0.1.2.7.7.59.3SECTION 172.165
     172.165 Intact stability calculations.
46:7.0.1.2.7.7.59.4SECTION 172.170
     172.170 Damage stability calculations.
46:7.0.1.2.7.7.59.5SECTION 172.175
     172.175 Character of damage.
46:7.0.1.2.7.7.59.6SECTION 172.180
     172.180 Extent of damage.
46:7.0.1.2.7.7.59.7SECTION 172.185
     172.185 Permeability of spaces.
46:7.0.1.2.7.7.59.8SECTION 172.195
     172.195 Survival conditions.
46:7.0.1.2.7.7.59.9SECTION 172.205
     172.205 Local damage.
46:7.0.1.2.7.8SUBPART H
Subpart H - Special Rules Pertaining to Great Lakes Dry Bulk Cargo Vessels
46:7.0.1.2.7.8.59.1SECTION 172.215
     172.215 Specific applicability.
46:7.0.1.2.7.8.59.2SECTION 172.220
     172.220 Definitions.
46:7.0.1.2.7.8.59.3SECTION 172.225
     172.225 Calculations.
46:7.0.1.2.7.8.59.4SECTION 172.230
     172.230 Character of damage.
46:7.0.1.2.7.8.59.5SECTION 172.235
     172.235 Extent of damage.
46:7.0.1.2.7.8.59.6SECTION 172.240
     172.240 Permeability of spaces.
46:7.0.1.2.7.8.59.7SECTION 172.245
     172.245 Survival conditions.
46:7.0.1.2.8PART 173
PART 173 - SPECIAL RULES PERTAINING TO VESSEL USE
46:7.0.1.2.8.1SUBPART A
Subpart A - General
46:7.0.1.2.8.1.59.1SECTION 173.001
     173.001 Applicability.
46:7.0.1.2.8.2SUBPART B
Subpart B - Lifting
46:7.0.1.2.8.2.59.1SECTION 173.005
     173.005 Specific applicability.
46:7.0.1.2.8.2.59.2SECTION 173.007
     173.007 Location of the hook load.
46:7.0.1.2.8.2.59.3SECTION 173.010
     173.010 Definitions.
46:7.0.1.2.8.2.59.4SECTION 173.020
     173.020 Intact stability standards: Counterballasted and non-counterballasted vessels.
46:7.0.1.2.8.2.59.5SECTION 173.025
     173.025 Additional intact stability standards: Counterballasted vessels.
46:7.0.1.2.8.3SUBPART C
Subpart C - School Ships
46:7.0.1.2.8.3.59.1SECTION 173.050
     173.050 Specific applicability.
46:7.0.1.2.8.3.59.2SECTION 173.051
     173.051 Public nautical school ships.
46:7.0.1.2.8.3.59.3SECTION 173.052
     173.052 Civilian nautical school ships.
46:7.0.1.2.8.3.59.4SECTION 173.053
     173.053 Sailing school vessels.
46:7.0.1.2.8.3.59.5SECTION 173.054
     173.054 Watertight subdivision and damage stability standards for new sailing school vessels.
46:7.0.1.2.8.3.59.6SECTION 173.055
     173.055 Watertight subdivision and damage stability standards for existing sailing school vessels.
46:7.0.1.2.8.3.59.7SECTION 173.056
     173.056 Collision and other watertight bulkheads.
46:7.0.1.2.8.3.59.8SECTION 173.057
     173.057 Permitted locations for Class I watertight doors.
46:7.0.1.2.8.3.59.9SECTION 173.058
     173.058 Double bottom requirements.
46:7.0.1.2.8.3.59.10SECTION 173.059
     173.059 Penetrations and openings in watertight bulkheads.
46:7.0.1.2.8.3.59.11SECTION 173.060
     173.060 Openings in the side of a vessel below the bulkhead or weather deck.
46:7.0.1.2.8.3.59.12SECTION 173.061
     173.061 Watertight integrity above the margin line.
46:7.0.1.2.8.3.59.13SECTION 173.062
     173.062 Drainage of weather deck.
46:7.0.1.2.8.3.59.14SECTION 173.063
     173.063 Intact stability requirements.
46:7.0.1.2.8.4SUBPART D
Subpart D - Oceanographic Research
46:7.0.1.2.8.4.59.1SECTION 173.070
     173.070 Specific applicability.
46:7.0.1.2.8.4.59.2SECTION 173.075
     173.075 Subdivision requirements.
46:7.0.1.2.8.4.59.3SECTION 173.080
     173.080 Damage stability requirements.
46:7.0.1.2.8.4.59.4SECTION 173.085
     173.085 General subdivision requirements.
46:7.0.1.2.8.5SUBPART E
Subpart E - Towing
46:7.0.1.2.8.5.59.1SECTION 173.090
     173.090 General.
46:7.0.1.2.8.5.59.2SECTION 173.095
     173.095 Towline pull criterion.
46:7.0.1.2.9PART 174
PART 174 - SPECIAL RULES PERTAINING TO SPECIFIC VESSEL TYPES
46:7.0.1.2.9.1SUBPART A
Subpart A - General
46:7.0.1.2.9.1.61.1SECTION 174.005
     174.005 Applicability.
46:7.0.1.2.9.1.61.2SECTION 174.007
     174.007 Incorporation by reference.
46:7.0.1.2.9.2SUBPART B
Subpart B - Special Rules Pertaining to Deck Cargo Barges
46:7.0.1.2.9.2.61.1SECTION 174.010
     174.010 Specific applicability.
46:7.0.1.2.9.2.61.2SECTION 174.015
     174.015 Intact stability.
46:7.0.1.2.9.2.61.3SECTION 174.020
     174.020 Alternate intact stability criterion.
46:7.0.1.2.9.3SUBPART C
Subpart C - Special Rules Pertaining to Mobile Offshore Drilling Units
46:7.0.1.2.9.3.61.1SECTION 174.030
     174.030 Specific applicability.
46:7.0.1.2.9.3.61.2SECTION 174.035
     174.035 Definitions.
46:7.0.1.2.9.3.61.3SECTION 174.040
     174.040 Stability requirements: general.
46:7.0.1.2.9.3.61.4SECTION 174.045
     174.045 Intact stability requirements.
46:7.0.1.2.9.3.61.5SECTION 174.050
     174.050 Stability on bottom.
46:7.0.1.2.9.3.61.6SECTION 174.055
     174.055 Calculation of wind heeling moment (Hm).
46:7.0.1.2.9.3.61.7SECTION 174.065
     174.065 Damage stability requirements.
46:7.0.1.2.9.3.61.8SECTION 174.070
     174.070 General damage stability assumptions.
46:7.0.1.2.9.3.61.9SECTION 174.075
     174.075 Compartments assumed flooded: general.
46:7.0.1.2.9.3.61.10SECTION 174.080
     174.080 Flooding on self-elevating and surface type units.
46:7.0.1.2.9.3.61.11SECTION 174.085
     174.085 Flooding on column stabilized units.
46:7.0.1.2.9.3.61.12SECTION 174.090
     174.090 Permeability of spaces.
46:7.0.1.2.9.3.61.13SECTION 174.100
     174.100 Appliances for watertight and weathertight integrity.
46:7.0.1.2.9.4SUBPART D
Subpart D [Reserved]
46:7.0.1.2.9.5SUBPART E
Subpart E - Special Rules Pertaining to Tugboats and Towboats
46:7.0.1.2.9.5.61.1SECTION 174.140
     174.140 Specific applicability.
46:7.0.1.2.9.5.61.2SECTION 174.145
     174.145 Intact stability requirements.
46:7.0.1.2.9.6SUBPART F
Subpart F [Reserved]
46:7.0.1.2.9.7SUBPART G
Subpart G - Special Rules Pertaining to Offshore Supply Vessels
46:7.0.1.2.9.7.61.1SECTION 174.180
     174.180 Applicability.
46:7.0.1.2.9.7.61.2SECTION 174.185
     174.185 Intact stability.
46:7.0.1.2.9.7.61.3SECTION 174.190
     174.190 Collision bulkhead.
46:7.0.1.2.9.7.61.4SECTION 174.195
     174.195 Bulkheads in machinery spaces.
46:7.0.1.2.9.7.61.5SECTION 174.200
     174.200 Damaged stability in machinery spaces for all OSVs.
46:7.0.1.2.9.7.61.6SECTION 174.205
     174.205 Additional damaged stability for OSVs carrying more than 16 offshore workers.
46:7.0.1.2.9.7.61.7SECTION 174.207
     174.207 Damaged stability criteria.
46:7.0.1.2.9.7.61.8SECTION 174.210
     174.210 Watertight doors in watertight bulkheads.
46:7.0.1.2.9.7.61.9SECTION 174.215
     174.215 Drainage of weather deck.
46:7.0.1.2.9.7.61.10SECTION 174.220
     174.220 Hatches and coamings.
46:7.0.1.2.9.7.61.11SECTION 174.225
     174.225 Hull penetrations and shell connections.
46:7.0.1.2.9.8SUBPART H
Subpart H - Special Rules Pertaining to Liftboats
46:7.0.1.2.9.8.61.1SECTION 174.240
     174.240 Applicability.
46:7.0.1.2.9.8.61.2SECTION 174.245
     174.245 General.
46:7.0.1.2.9.8.61.3SECTION 174.250
     174.250 Unrestricted service.
46:7.0.1.2.9.8.61.4SECTION 174.255
     174.255 Restricted service.
46:7.0.1.2.9.8.61.5SECTION 174.260
     174.260 Freeboard.
46:7.0.1.2.9.9SUBPART I
Subpart I - Hopper Dredges With Working Freeboard Assignments
46:7.0.1.2.9.9.61SUBJGRP 61
  Calculations
46:7.0.1.2.9.9.61.1SECTION 174.300
     174.300 Specific applicability.
46:7.0.1.2.9.9.61.2SECTION 174.305
     174.305 Definitions.
46:7.0.1.2.9.9.61.3SECTION 174.310
     174.310 General.
46:7.0.1.2.9.9.61.4SECTION 174.315
     174.315 Extent and character of damage.
46:7.0.1.2.9.9.61.5SECTION 174.320
     174.320 Damage survival.
46:7.0.1.2.9.9.61.6SECTION 174.325
     174.325 Equalization.
46:7.0.1.2.9.9.61.7SECTION 174.330
     174.330 Jettisoning of spoil.
46:7.0.1.2.9.9.62SUBJGRP 62
  Design
46:7.0.1.2.9.9.62.8SECTION 174.335
     174.335 Watertight doors.
46:7.0.1.2.9.9.62.9SECTION 174.340
     174.340 Collision bulkhead.
46:7.0.1.2.9.10SUBPART J
Subpart J - Special Rules Pertaining to Dry Cargo Ships
46:7.0.1.2.9.10.63.1SECTION 174.350
     174.350 Specific applicability.
46:7.0.1.2.9.10.63.2SECTION 174.355
     174.355 Definitions.
46:7.0.1.2.9.10.63.3SECTION 174.360
     174.360 Calculations.