Part 5_2 Steel Vessel - Specific Type

RULES FOR BUILDING AND CLASSING

STEEL VESSELS2001

PART 5SPECIFIC VESSEL TYPES (CHAPTERS 7-10)

American Bureau of ShippingIncorporated by Act of Legislature ofthe State of New York 1862

Copyright 2000American Bureau of ShippingABS Plaza16855 Northchase DriveHouston, TX 77060 USA

ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS 2000 i

P A R T

5Specific Vessel Types

CONTENTSCHAPTER 7 Vessels Intended to Carry Passengers ............... 949

Section 1 Introduction .................................................... 951

Section 2 Hull Structure ................................................. 957

Section 3 Subdivision and Stability................................ 971

Section 4 Fire Safety Measures..................................... 973

Section 5 Machinery Equipment and Systems.............. 975

CHAPTER 8 Vessels Intended to Carry Liquefied Gasesin Bulk.................................................................... 991

Section 1 General (ABS) ............................................. 997

Section 2 Ship Survival Capability and Location ofCargo Tanks ................................................ 1017

Section 3 Ship Arrangements ...................................... 1029

Section 4 Cargo Containment...................................... 1045

Section 5 Process Pressure Vessels and Liquid,Vapor and Pressure Piping Systems........... 1085

Section 6 Materials of Construction............................. 1097

Section 7 Cargo Pressure/Temperature Control ......... 1115

Section 8 Cargo Tank Vent Systems........................... 1121

Section 9 Environmental Control ................................. 1131

Section 10 Electrical Installations .................................. 1137

Section 11 Fire Protection and Fire Extinction .............. 1143

Section 12 Mechanical Ventilation in the Cargo Area ... 1151

Section 13 Instrumentation (Gauging, Gas Detectionand Cargo Handling Controls) ..................... 1159

Section 14 Personnel Protection ................................... 1169

Section 15 Filling Limits for Cargo Tanks ...................... 1175

Section 16 Use of Cargo as Fuel................................... 1179

Section 17 Special Requirements.................................. 1191

Section 18 Operating Requirements ............................. 1207

Section 19 Summary of Minimum Requirements .......... 1213

Annex 1 Guidelines for the Uniform Application of theSurvival Requirements of the Bulk ChemicalCode and the Gas Carrier Code.................. 1217

ii ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS 2001

Annex 2 United States Coast Guard AdditionalDesign and Structural Requirements forNon-US Flag Vessels Operating on theNavigable Waters of the United States........ 1225

CHAPTER 9 Vessels Intended to Carry ChemicalCargoes in Bulk ...................................................1229

Section 1 General (ABS) ........................................... 1235

Section 2 Ship Survival Capability and Location ofCargo Tanks ................................................ 1253

Section 3 Ship Arrangements ...................................... 1265

Section 4 Cargo Containment...................................... 1277

Section 5 Cargo Transfer............................................. 1283

Section 6 Materials of Construction ............................. 1293

Section 7 Cargo Temperature Control......................... 1297

Section 8 Cargo Tank Venting and Gas-FreeingArrangements .............................................. 1301

Section 9 Environmental Control ................................. 1309

Section 10 Electrical Installations .................................. 1315

Section 11 Fire Protection and Fire Extinction .............. 1321

Section 12 Mechanical Ventilation in the Cargo Area ... 1329

Section 13 Instrumentation ............................................ 1335

Section 14 Personnel Protection ................................... 1341

Section 15 Special Requirements.................................. 1347

Section 16 Operational Requirements........................... 1373

Section 16A Additional Measures for the Protection ofthe Marine Environment ............................. 1381

Section 17 Summary of Minimum Requirements .......... 1383

Section 18 List of Chemicals to Which the Code DoesNot Apply ..................................................... 1413

Section 19 Requirements for Ships Engaged in theIncineration at Sea of Liquid ChemicalWaste........................................................... 1421

Section 20 Transport of Liquid Chemical Wastes.......... 1431

Annex 1 Guidelines for the Uniform Application of theSurvival Requirements of the Bulk ChemicalCode and the Gas Carrier Code.................. 1437

Annex 2 Calculation of the Capacity of FoamSystems for Chemical Tankers.................... 1445

Annex 3 Resolution A.473(XII)................................... 1447

Annex 4 Resolution A.567(14) ................................... 1453

CHAPTER 10 Vessels Intended to Carry Vehicles ..................1459

Section 1 Introduction .................................................. 1461

Section 2 Vehicle Carrier ............................................. 1465

Section 3 Vehical Passenger Ferry ............................. 1477

Section 4 Cargo Safety................................................ 1481

ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS 2001 949

P A R T

5C H A P T E R 7 Vessels Intended to Carry

Passengers

CONTENTSSECTION 1 Introduction........................................................... 951

1 General................................................................. 953

3 Definitions............................................................. 955

SECTION 2 Hull Structure ........................................................ 957

1 Longitudinal Strength ........................................... 959

3 Rudders and Steering Gear ................................. 960

5 Bottom Structure .................................................. 960

7 Side Construction................................................. 960

9 Watertight Bulkheads and Openings inWatertight Bulkheads ........................................... 963

11 Decks, Superstructures and Deck Houses .......... 968

SECTION 3 Subdivision and Stability...................................... 971

1 General................................................................. 971

3 Inclining Experiment and Trim and StabilityBooklet ................................................................. 971

5 Damage Control Plans ......................................... 971

SECTION 4 Fire Safety Measures ............................................ 973

1 Structural Fire Protection ..................................... 973

3 Fire Control Plans................................................. 973

SECTION 5 Machinery Equipment and Systems .................... 975

1 Emergency Source of Power ............................... 977

3 Electrical Cables in Accommodation Areas ......... 981

5 Fire Pumps, Fire Mains, Hydrants, Hoses andNozzles................................................................. 981

7 Bilge and Ballast Systems.................................... 983

9 Fixed Fire Detection and Fire Alarm Systems,Automatic Sprinkler, Fire Detection and FireAlarm Systems ..................................................... 985

11 Cargo Spaces....................................................... 986

13 Special Arrangements in Machinery Spaces ....... 986

15 Firemans Outfits .................................................. 987

950 ABS RULES FOR BUILDING AND CLASSING STEEL VESSELS 2001

17 Manual Alarm System .......................................... 988

19 General and Special Fire Alarms ......................... 988

21 General Emergency Alarm System...................... 988

23 Public Address System ........................................ 988

25 Portable Communication Equipment.................... 988

27 Dangerous Goods ................................................ 988

29 Protection Against Noise in MachinerySpaces ................................................................. 988

31 Vibration Prediction Calculations ......................... 989

33 Helicopter Landing and Pick-up Areas................. 989


P A R T


Passengers

S E C T I O N 1 Introduction

CONTENTS1 General................................................................................. 953

1.1 Classification ........................................................................ 953

1.3 Application ............................................................................ 953

1.5 Scope ................................................................................... 954

1.7 Passenger Ship Safety Certificate........................................ 954

1.9 Independent Review............................................................. 954

1.11 Administration Approval ....................................................... 954

3 Definitions............................................................................ 955

3.1 General................................................................................. 955

3.3 Accommodation Spaces....................................................... 955

3.5 Administration....................................................................... 955

3.7 Deepest Subdivision Load Line............................................ 955

3.9 Machinery Spaces................................................................ 955

3.11 Machinery Spaces of Category A......................................... 955

3.13 Margin Line........................................................................... 955

3.15 Passenger ............................................................................ 955

3.17 Passenger Spaces ............................................................... 955

3.19 Public Spaces....................................................................... 956

3.21 Regulations........................................................................... 956

3.23 Service Spaces..................................................................... 956

3.25 Short International Voyage................................................... 956

3.27 Special Category Spaces ..................................................... 956


P A R T


Passengers

S E C T I O N 1 Introduction 5 - 7 - 1

1 General 5-7-1/1

1.1 Classification 5-7-1/1.1

In accordance with 1-1-3/3, the classification of A1 Passenger Vessel is to be assigned tovessels designed and specifically fitted for the carriage of passengers and built to the requirements ofthis Chapter and other relevant sections of the Rules.

In addition to the above, the vessel must have a Passenger Ship Safety Certificate from theAdministration of registry or its agent evidencing the vessels compliance with the requirements ofthe International Convention for the Safety of Life at Sea 1974, as amended, and an InternationalLoad Line Certificate evidencing compliance with the International Loadline Convention 1966.

1.3 Application 5-7-1/1.3

These requirements are intended to apply to a vessel carrying more than twelve (12) passengers on aninternational voyage or a short international voyage.

In the case of passenger vessels which are employed in special trades for the carriage of largenumbers of special trade passengers, such as the pilgrim trade, the requirements will be given specialconsideration, taking into account the following

1.3.1

the rules annexed to the International Conference on Special Trade Passenger Ships, 1971and;

1.3.2

the rules annexed to the International Conference on Space Requirements for Special TradePassenger Ships, 1973.

Notwithstanding 1-1-4/1, the Rules in this Chapter are applicable to vessels of 61m (200 ft)and over in length intended for unrestricted ocean service. Passenger vessels of lesser sizewill be given special consideration.

Part 5 Specific Vessel TypesChapter 7 Vessels Intended to Carry PassengersSection 1 Introduction 5-7-1


1.5 Scope 5-7-1/1.5

This Chapter is intended to cover the additional hull construction, machinery and safety equipmentrequired to class a vessel as a passenger vessel.

These requirements are applicable to those features that are permanent in nature and can be verifiedby plan review, calculation, physical survey or any other means.

These Rules do not address the requirements for operational instructions, Life Saving Appliances andArrangements (Chapter III), Radiotelegraphy and Radiotelephony (Chapter IV), Safety of Navigation(Chapter V), Carriage of Grain (Chapter VI), and Carriage of Dangerous Goods (Chapter VII) whichmay be found in the International Convention for the Safety of Life at Sea, 1974, as amended.

1.7 Passenger Ship Safety Certificate 5-7-1/1.7

Where authorized by the Administration of a country signatory to the International Convention for theSafety of Life at Sea, 1974, as amended, and upon request of the Owners of a classed vessel or oneintended to be classed, the Bureau will review the plans, data, etc., and survey the vessel forcompliance with the provisions of 1974 SOLAS Convention, as amended, and issue a Passenger ShipSafety Certificate prescribed in the Convention on behalf of the Administration.

1.9 Independent Review 5-7-1/1.9

When the Passenger Ship Safety Certificate is issued by an Administration or its agent other than theBureau, the Bureau when requested by the owner, shipyard, or designers, will conduct an independentreview of any of the following:

Subdivisions and StabilityTrim and Stability BookletInclining ExperimentStructural Fire ProtectionFire Control Plan Damage Control PlanLife-Saving Appliances and ArrangementsSafety for NavigationCarriage of GrainCarriage of Dangerous Goods

Fees for such independent reviews will be charged to the owner when the review is requested.

1.11 Administration Approval 5-7-1/1.11

In general, the approval of material, safety equipment, lifesaving appliances, etc. is a function of theAdministration. When the vessel is issued a Passenger Ship Safety Certificate by the Administrationor its agent other than the Bureau, such certificate will be accepted as evidence that theAdministration has approved the material, safety equipment, life-saving appliances, etc.

On the other passenger vessels the designer or builder will submit evidence that the Administrationhas approved the material, safety equipment, lifesaving, etc. for the Bureau acceptance on vesselsbuilding to class.

When given specific instructions from the Administration, the Bureau may approve and accept thematerial, equipment, life-saving appliances, etc., fitted on the vessel.



3 Definitions 5-7-1/3

3.1 General 5-7-1/3.1

For definitions of terms used in this section and not shown below, reference is to be made to thedefinitions in the various Chapters in the International Convention for the Safety of Life at Sea, 1974,as amended. (Abbreviated: 1974 SOLAS Convention, as amended).

3.3 Accommodation Spaces 5-7-1/3.3

Accommodation Spaces are those spaces used for public spaces, corridors, lavatories, cabins, offices,hospitals, cinemas, games and hobbies rooms, barber shops, pantries containing no cookingappliances and similar spaces.

3.5 Administration 5-7-1/3.5

Administration means the Government of the State whose flag the vessel is entitled to fly.

3.7 Deepest Subdivision Load Line 5-7-1/3.7

Deepest Subdivision Load Line is the waterline which corresponds to the greatest draft permitted bythe subdivision requirements which are applicable.

3.9 Machinery Spaces 5-7-1/3.9

Machinery Spaces are all machinery spaces of category A and all other spaces containing propulsionmachinery, boilers, oil fuel units, steam and internal combustion engines, generators and majorelectrical machinery, oil filling stations, refrigerating, stabilizing, ventilation and air-conditioningmachinery, and similar spaces, and trunks to such spaces.

3.11 Machinery Spaces of Category A 5-7-1/3.11

Machinery Spaces of Category A are those spaces and trunks to such spaces which contain internalcombustion machinery used for main propulsion, or internal combustion machinery used for purposesother than main propulsion where such machinery has in the aggregate a total power output of not lessthan 375 KW (500 hp), or any oil-fired boiler or oil fuel unit.

3.13 Margin Line 5-7-1/3.13

Margin Line is a line drawn at least 76 mm (3 in.) below the upper surface of the bulkhead deck atside.

3.15 Passenger 5-7-1/3.15

A Passenger is every person other than the master and the members of the crew or other personsemployed or engaged in any capacity on board a vessel on the business of that vessel and childrenunder one year of age.

3.17 Passenger Spaces 5-7-1/3.17

Passenger Spaces are those spaces which are provided for the accommodation and the use ofpassengers, excluding baggage, store, provision and mail rooms. For the purposes of RegulationsII-1/5 and II-1/6, spaces provided below the margin line for the accommodation and the use of thecrew shall be regarded as passenger spaces.



3.19 Public Spaces 5-7-1/3.19

Public Spaces are those portions of the accommodation which are used for halls, dining rooms,lounges and similar permanently enclosed spaces.

3.21 Regulations 5-7-1/3.21

Regulations means the regulations contained in the International Convention for the Safety of Life atSea, 1974, as amended. The abbreviated notation form is used; e.g. Regulation II-2/55.5 meansRegulation 55.5 of Chapter II-2.

3.23 Service Spaces 5-7-1/3.23

Service Spaces are those spaces used for galleys, pantries containing cooking appliances, lockers, mailand specie rooms, store-rooms, workshops other than those forming part of the machinery spaces, andsimilar spaces and trunks to such spaces.

3.25 Short International Voyage 5-7-1/3.25

Short International Voyage is an international voyage in the course of which the vessel is not morethan 200 miles from a port or place in which the passengers and crew could be disembarked in safety.Neither the distance between the last port of call in the country in which the voyage begins and thefinal port of destination nor the return voyage shall exceed 600 miles. The final port of destination isthe last port of call in the scheduled voyage at which the vessel commences its return voyage to thecountry in which the voyage began.

3.27 Special Category Spaces 5-7-1/3.27

Special Category Spaces are those enclosed spaces above or below the bulkhead deck intended for thecarriage of motor vehicles with fuel in their tanks for their own propulsion, into and from which suchvehicles can be driven and to which passengers have access.


P A R T


Passengers

S E C T I O N 2 Hull Structure

CONTENTS1 Longitudinal Strength ......................................................... 959

1.1 General................................................................................. 959

1.3 Bending Moment and Shear Force Calculations.................. 959

3 Rudders and Steering Gear ................................................ 960

5 Bottom Structure................................................................. 960

5.1 General................................................................................. 960

5.3 Double Bottom...................................................................... 960

5.5 Inner Bottom Plating............................................................. 960

5.7 Drain Wells ........................................................................... 960

7 Side Construction................................................................ 960

7.1 General................................................................................. 960

7.3 Portlights............................................................................... 961

7.5 Shell Connections Located Below the Margin Line.............. 961

7.7 Gangway and Cargo Ports Located Below theMargin Line........................................................................... 962

7.9 Weathertight and Watertight Integrity Above theMargin Line........................................................................... 962

9 Watertight Bulkheads and Openings in WatertightBulkheads ............................................................................ 963

9.1 Watertight Bulkheads ........................................................... 963

9.3 Collision Bulkhead................................................................ 963

9.5 Afterpeak and Machinery Space Bulkheads ........................ 963

9.7 Stern Tubes .......................................................................... 963

9.9 Openings and Penetrations.................................................. 963

9.11 Doors, Manholes and Access Openings .............................. 964

9.13 Shaft Tunnel Door and Doors within PropulsionMachinery Spaces................................................................ 964

9.15 Watertight Doors in Watertight Bulkheads ........................... 964

9.17 Power-operated Sliding Watertight Doors............................ 965


9.19 Central Operating Console................................................... 967

9.21 Watertight Doors in Cargo Spaces....................................... 968

9.23 Portable Plates ..................................................................... 968

9.25 Miscellaneous....................................................................... 968

11 Decks, Superstructures and Deck Houses ........................968

11.1 General................................................................................. 968

11.3 Watertight Decks, Trunks, Tunnels, Duct Keels andVentilators............................................................................. 969

11.5 Support Structures................................................................ 969

11.7 Effective Lower Deck Thickness .......................................... 969


P A R T


Passengers

S E C T I O N 2 Hull Structure 5 - 7 - 2

1 Longitudinal Strength 5-7-2/1

1.1 General 5-7-2/1.1

The longitudinal strength of the passenger vessel is to be in accordance with Section 3-2-1, in additionto the following.

1.3 Bending Moment and Shear Force Calculations 5-7-2/1.3.1

1.3.1 Still Water Bending Moment and Shear Force 5-7-2/1.3.2

Still water bending moment and shear force calculations are to be submitted for passengervessel over 122 m (400 ft) in length. These calculations are to be carried out for all anticipatedloaded and ballast conditions. The distribution of lightship weight is also to be shown.

1.3.2 Wave Induced Bending Moments and Shear Forces 5-7-2/1.3.3

Where the block coefficient is less than 0.60 or where the vessel has considerable bow flare,the wave induced bending moments and shear forces may be calculated using a blockcoefficient of 0.60 in accordance with 3-2-1/3.5.

1.3.3 Total Bending Moment 5-7-2/1.3.4

Where the calculations indicate that the vessel is under hogging condition, in all still waterloading conditions, the total bending moments, Mt, is to be taken as not less than 0.9MWS inthe calculations of the buckling strength of the structural members above the neutral axis.Special consideration may be given to the minimum Mt under the conditions given in3-2-1/19.

1.3.4 Buckling Strength 5-7-2/1.3.5

Shell, strength deck and other effective decks together with their stiffening members are tohave sufficient strength to withstand the compressive and shear loads due to the maximumbending moment. Non-effective decks which are subject to compression due to hull girderbending are to have stiffening members of sufficient strength to withstand the compressionunder the above bending moment.

Part 5 Specific Vessel TypesChapter 7 Vessels Intended to Carry PassengersSection 2 Hull Structures 5-7-2


3 Rudders and Steering Gear 5-7-2/3

Rudders and steering gears are to be in accordance with Section 3-2-14 and in addition the steeringgear is to be designed (4-3-4/1.9 and 4-3-4/23) and trial tested (4-3-4/21.7) with one of the powerunits out of operation.

5 Bottom Structure 5-7-2/5

5.1 General 5-7-2/5.1

The bottom structure is to be in accordance with Section 3-2-4 in addition to the following.

5.3 Double Bottom 5-7-2/5.3

A double bottom is to be fitted, in accordance with Section 3-2-4, except in way of deep tanks,extending from the forepeak bulkhead to the afterpeak bulkhead, or as near thereto as practicable. Forvessels between 61 meters (200 feet) and 76 meters (250 feet) in length, a double bottom may beomitted in the machinery space. A double bottom need not be fitted in way of deep tanks of moderatevolume provided the safety of the vessel is not thereby impaired in the event of bottom or sidedamage.

5.5 Inner Bottom Plating 5-7-2/5.5

Where a double bottom as required by 5-7-2/5.3 is fitted, its depth is to be compatible with therequirements of 3-2-4/3 and the inner bottom is to be continued out to the vessels sides in such amanner as to protect the bottom to the turn of bilge. Such protection will be deemed satisfactory if theline of intersection of the outer edge of the margin plate with the bilge plating is not lower at anypoint than a horizontal plane passing through the point of intersection with the frame line amidshipsof a transverse diagonal line inclined at 25 to the base line and cutting it at a point one-half thevessels molded breadth from the center line. (See 5-7-2/Figure 1.)

5.7 Drain Wells 5-7-2/5.7

Drain wells constructed in the double bottom in conjunction with drainage arrangements of holds,etc., are not to extend downward more than necessary. The depth of the wells are not to exceed thedepth of the double bottom at the centerline less 460 mm (18 in.), and the well is not to extend belowthe horizontal plane referred to in 5-7-2/5.5. A drain well extending below the horizontal plane is,however, permitted at the after end of the shaft tunnel. Other well arrangements (e.g. for lubricatingoil under main engines) will be considered provided they give protection equivalent to that affordedby the double bottom.

7 Side Construction 5-7-2/7

7.1 General 5-7-2/7.1

The side shell plating and framing are to be in accordance with Sections 3-2-5, 3-2-6, 3-2-2, and3-2-11 except in addition to the following. Side framing below the strength deck is to be inaccordance with Sections 3-2-5 and 3-2-6 of the Rules. Ordinary transverse frames in way oflongitudinally framed decks may be in accordance with 3-2-5/3.17 using as defined in 3-2-5/5.3and h measured from the middle of to the point indicated in 3-2-5/3.17.



FIGURE 1

B/2

Midship frame line

Well

25

No Part of inner bottom to extend below this line

7.3 Portlights (1 July 1998) 5-7-2/7.3

The location and construction of portlights and deadlights is to comply with 3-2-17/7.

7.5 Shell Connections Located Below the Margin Line 5-7-2/7.5

7.5.1 5-7-2/7.5.1

All inlets and discharges in the shell plating are to be fitted with efficient and accessiblearrangements for preventing the accidental ingress of water into the vessel.

7.5.2 5-7-2/7.5.2

Subject to the requirements of the International Convention on Load Lines, and except asprovided in 5-7-2/7.5.3, each separate discharge led through the shell plating from spacesbelow the margin line is to be provided with either one automatic nonreturn valve fitted with apositive means of closing it from above the bulkhead deck or with two automatic nonreturnvalves without positive means of closing, provided that the inboard valve is situated above thedeepest subdivision load line and is always accessible, for examination under serviceconditions. Where a valve with positive means of closing is fitted, the operating positionabove the bulkhead deck is always to be readily accessible, and means are to be provided forindicating whether the valve is open or closed.

7.5.3 (1998) 5-7-2/7.5.3

Machinery space main and auxiliary sea inlets and discharges used in connection with theoperation of machinery are to be fitted with readily accessible valves between the pipes andthe shell plating or between the pipes and fabricated boxes attached to the shell plating. Inorder to be considered readily accessible, the valves, during normal operating conditions, areto be:

7.5.3(a) located in a space normally entered without using tools,

7.5.3(b) clear of or protected from obstructions, moving equipment and hot surfaces thatprevent operation or servicing, and

7.5.3(c) within operators reach, or a remote control device normally employed for operatingthe valve is to be within operators reach.

The valves may be controlled locally and are to be provided with indicators showing whetherthey are open or closed.



7.7 Gangway and Cargo Ports Located Below the Margin Line 5-7-2/7.7

7.7.1 5-7-2/7.7.1

Gangway and cargo ports fitted below the margin line are to be of sufficient strength. Theyare to be capable of being effectively closed and secured watertight. The scantlings of theports are to be equivalent to the scantlings required by the Rules for the hull structure in thatlocation. Ports should normally open outboard. Ports which open inboard are to have portablestrong-backs or props in addition to the regular dogs. Also see 3-2-16/1.

7.7.2 5-7-2/7.7.2

Such ports are to be so fitted as to have their lowest point above the deepest subdivision loadline.

7.9 Weathertight and Watertight Integrity Above the Margin Line 5-7-2/7.9

7.9.1 5-7-2/7.9.1

All reasonable and practicable measures are to be taken to limit the entry and spread of waterabove the bulkhead deck. Such measures may include partial bulkheads or webs. When partialwatertight bulkheads and webs are fitted on the bulkhead deck above or in the immediatevicinity of main subdivision bulkheads, they are to have watertight shell and bulkhead deckconnections so as to restrict the flow of water along the deck when the vessel is in a heeleddamaged condition. Where the partial watertight bulkhead does not line up with the bulkheadbelow, the bulkhead deck between is to be made effectively watertight.

7.9.2 5-7-2/7.9.2

The bulkhead deck or a deck above it is to be weathertight. All openings in the exposedweather deck are to have coamings of ample height and strength and be provided withefficient means for expeditiously closing them weathertight. Freeing ports, open rails andscuppers are to be fitted as necessary for rapidly clearing the weather deck of water under allweather conditions.

7.9.3 (1998) 5-7-2/7.9.3

The open end of air pipes terminating within a superstructure is to be at least 1 m (3.3 ft)above the waterline when the ship heels to an angle of 15, or the maximum angle of heelduring intermediate stages of flooding, as determined by direct calculation, whichever is thegreater. Alternatively, air pipes from tanks other than oil tanks may discharge through the sideof the superstructure.

7.9.4 5-7-2/7.9.4

Portlights, gangway, cargo ports and other means for closing openings in the shell plating areto be of efficient design and construction and of sufficient strength having regard to thespaces in which they are fitted and their positions relative to the deepest subdivision load line.

7.9.5 5-7-2/7.9.5

Efficient inside deadlights are to be provided for all sidescuttles to spaces below the first deckabove the bulkhead deck and so arranged that they can be easily and effectively closed andsecured watertight.



9 Watertight Bulkheads and Openings in WatertightBulkheads 5-7-2/9

9.1 Watertight Bulkheads 5-7-2/9.1

Watertight bulkheads are to be in accordance with Section 3-2-9 or Section 3-2-10 in addition to thefollowing. Also see Section 5-7-3.

9.3 Collision Bulkhead 5-7-2/9.3

9.3.1 General 5-7-2/9.3.1

The requirements in 3-2-9/3.1.1 and 3-2-9/Figure 2 apply to passenger vessels except thatreference to freeboard deck is to be substituted by bulkhead deck.

9.3.2 Location 5-7-2/9.3.2

The collision bulkhead is to be located at any point not less than 0.05L nor more than 0.05Lplus 3 m (9.84 ft) abaft the reference point as defined in 3-2-9/3.1.4, where L is the length ofthe vessel between perpendiculars at the deepest subdivision load line.

9.5 Afterpeak and Machinery Space Bulkheads 5-7-2/9.5

An afterpeak bulkhead, and bulkheads separating the machinery space, as defined below, from thecargo and passenger spaces forward and aft, are to be fitted and made watertight up to the bulkheaddeck. The afterpeak bulkhead may, however, be stepped below the bulkhead deck, provided thedegree of safety of the vessel as regards subdivision is not thereby diminished.

Machinery Space is to be taken as extending from the molded base line to the margin line andbetween the extreme main transverse watertight bulkheads, bounding the spaces containing the mainand auxiliary propulsion machinery, and boilers serving the needs of propulsion. The limits of themachinery spaces will in the case of unusual arrangements be subject to special consideration.

9.7 Stern Tubes 5-7-2/9.7

The stern gland is to be situated in a watertight shaft tunnel or other watertight space(s) separate fromthe stern tube compartment and be of such volume that, if flooded by leakage through the stern gland,the margin line will not be submerged.

9.9 Openings and Penetrations (1998) 5-7-2/9.9

9.9.1 5-7-2/9.9.1

The number of openings in watertight bulkheads is to be reduced to the minimum compatiblewith the design and proper working of the vessel; satisfactory means are to be provided forclosing these openings.

9.9.2 5-7-2/9.9.2

Penetrations through watertight subdivision bulkheads for fixed services such as pipes,scuppers or electrical cables are to be prototype tested for a period of at least 30 minutesunder hydrostatic pressure corresponding to the actual installation. There is to be no leakagethrough the prototype for the duration of the test. Penetrations which can be seal welded donot require prototype testing.



9.9.3 5-7-2/9.9.3

Valves not forming part of a piping system are not permitted in watertight subdivisionbulkheads.

9.9.4 5-7-2/9.9.4

Lead or other heat sensitive materials are not to be used in systems which penetrate watertightsubdivision bulkheads, where deterioration of such material would in the event of a fire,impair the watertight integrity of the bulkheads.

9.9.5 5-7-2/9.9.5

Except as provided in 5-7-2/9.9.6, the collision bulkhead may be pierced below the marginline by not more than one pipe for dealing with fluid in the forepeak tank, provided that thepipe is fitted with a screwdown valve capable of being operated from above the bulkheaddeck; the valve chest being secured to the collision bulkhead inside the forepeak.

9.9.6 5-7-2/9.9.6

If the forepeak is divided to hold two kinds of liquids, the collision bulkhead may be piercedbelow the margin line by two pipes, each of which is fitted as required by 5-7-2/9.9.5,provided there is no practical alternative to the fitting of such a second pipe and that, havingregard to the additional subdivision provided in the forepeak, the safety of the vessel ismaintained.

9.11 Doors, Manholes and Access Openings 5-7-2/9.11

Doors, manholes, or access openings are not permitted:

i) in the collision bulkhead below the margin line;

ii) in watertight transverse bulkheads dividing a cargo space from an adjoining cargo space orfrom a permanent or reserve bunker, except as provided in 5-7-2/9.21.

9.13 Shaft Tunnel Door and Doors within Propulsion Machinery Spaces 5-7-2/9.13

Within spaces containing the main and auxiliary propulsion machinery including boilers serving theneeds of propulsion, not more than one watertight door, apart from the watertight doors to shafttunnels, is to be fitted in each main transverse bulkhead. Where two or more shafts are fitted, thetunnels are to be interconnected by a passage. There is to be only one watertight door between themachinery space and the tunnel spaces where two shafts are fitted, and only two watertight doorswhere there are more than two shafts. All these watertight doors are to be of the sliding type and shallbe so located as to have their sills as high as practicable. The hand gear for operating these doors fromabove the bulkhead deck is to be situated outside the spaces containing the machinery.

9.15 Watertight Doors in Watertight Bulkheads 5-7-2/9.15

9.15.1 5-7-2/9.15.1

Watertight doors, except as provided in 5-7-2/9.21 are to be power-operated sliding doorscomplying with the requirements of 5-7-2/9.17 capable of being closed simultaneously fromthe central operating console at the navigating bridge in not more than 60 seconds with thevessel in the upright position.

9.15.2 5-7-2/9.15.2

The means of operation whether by power or by hand of any power-operated slidingwatertight door is to be capable of closing the door with the vessel listed to 15 either way.Consideration is also to be given to the forces which may act on either side of the door as maybe experienced when water is flowing through the opening applying a static head equivalentto a water height of at least 1 m (3.28 ft) above the sill on the centerline of the door.



9.15.3 5-7-2/9.15.3

Watertight door controls, including hydraulic piping and electric cables, are to be kept asclose as practicable to the bulkhead in which the doors are fitted, in order to minimize thelikelihood of them being involved in any damage which the vessel may sustain. Thepositioning of watertight doors and their controls are to be such that if the vessel sustainsdamage within one fifth of the breadth of the vessel, as defined in Section 3-1-1, such distancebeing measured at right angles to the centerline at the level of the deepest subdivision loadline, the operation of the watertight doors clear of the damaged portion of the vessel is notimpaired.

9.15.4 5-7-2/9.15.4

All power-operated sliding watertight doors are to be provided with means of indicationwhich will show at all remote operating positions whether the doors are open or closed.Remote operating positions are to be at the navigating bridge as required by 5-7-2/9.17.1(e)and, at the location where hand operation above the bulkhead deck is required by5-7-2/9.17.1(d).

9.17 Power-operated Sliding Watertight Doors (1994) 5-7-2/9.17

9.17.1 5-7-2/9.17.1

Each power-operated sliding watertight door is to comply with the following:

9.17.1(a) have either a vertical or a horizontal motion;

9.17.1(b) subject to 5-7-2/9.23 normally being limited to a maximum clear opening width of1.2m (3.94 ft). Larger doors may be considered to the extent necessary for the effectiveoperation of the vessel provided that other safety measures, including the following, are takeninto consideration:

i) special consideration is to be given to the strength of the door and its closingappliances in order to prevent leakages;

ii) the door is to be located inboard of the transverse extent of damage (B/5) as definedin Regulation II-1/8.4.2;

iii) the door is to be kept closed when the vessel is at sea, except the door may be openedfor limited periods when absolutely necessary.

9.17.1(c) be fitted with the necessary equipment to open and close the door using electricpower, hydraulic power, or any other acceptable form of power;

9.17.1(d) be provided with an individual hand-operated mechanism. It is to be possible toopen and close the door by hand from either side of the door, and in addition, close the doorfrom an accessible position above the bulkhead deck with an all round crank motion or someother movement providing the same acceptable degree of safety. Direction of rotation or othermovement is to be clearly indicated at all operating positions. The time necessary for thecomplete closure of the door, when operating by hand gear, is not to exceed 90 seconds withthe vessel in the upright position;

9.17.1(e) be provided with controls for opening and closing the door by power from bothsides of the door and also for closing the door by power from the central operating console atthe navigating bridge;

9.17.1(f) be provided with an audible alarm, distinct from any other alarm in the area, whichwill sound whenever the door is closed remotely by power and which is to sound for at leastfive seconds but no more than ten seconds before the door begins to move and is to continuesounding until the door is completely closed. In the case of remote hand operation it issufficient for the audible alarm to sound only when the door is moving. Additionally, in



passenger areas and areas of high ambient noise, the audible alarm is to be supplemented byan intermittent visual signal at the door; and

9.17.1(g) have an approximately uniform rate of closure under power. The closure time, fromthe time the door begins to move to the time it reaches the completely closed position, is to benot less than 20 seconds or more than 40 seconds with the vessel in the upright position.

9.17.2 5-7-2/9.17.2

The electrical power required for power-operated sliding watertight doors is to be suppliedfrom the emergency switchboard either directly or by a dedicated distribution board situatedabove the bulkhead deck. The associated control, indication and alarm circuits are to besupplied from the emergency switchboard either directly or by a dedicated distribution boardsituated above the bulkhead deck and be capable of being automatically supplied by thetransitional source of emergency electrical power required by 5-7-5/1.5.1(c) in the event offailure of either the main or emergency source of electrical power.

9.17.3 5-7-2/9.17.3

Power-operated sliding watertight doors are to have one of the following systems,

9.17.3(a) a centralized hydraulic system with two independent power sources each consistingof a motor and pump capable of simultaneously closing all doors. In addition, there are to befor the whole installation hydraulic accumulators of sufficient capacity to operate all the doorsat least three times, i.e. closed-open-closed, against an adverse list of 15. This operatingcycle is to be capable of being carried out when the accumulator is at the pump cut-inpressure. The fluid used is to be chosen considering the temperatures liable to be encounteredby the installation during its service. The power operating system is to be designed tominimize the possibility of having a single failure in the hydraulic piping adversely affect theoperation of more than one door. The hydraulic system is to be provided with a low-levelalarm for hydraulic fluid reservoirs serving the power-operated system and a low gas pressurealarm or other effective means of monitoring loss of stored energy in hydraulic accumulators.These alarms are to be audible and visual and are to be situated on the central operatingconsole at the navigating bridge.

9.17.3(b) an independent hydraulic system for each door with each power source consistingof a motor and pump capable of opening and closing the door. In addition, there is to be ahydraulic accumulator of sufficient capacity to operate the door at least three times, i.e.closed-open-closed, against an adverse list of 15. This operating cycle is to be capable ofbeing carried out when the accumulator is at the pump cut-in pressure. The fluid used is to bechosen considering the temperatures liable to be encountered by the installation during itsservice. A low gas pressure group alarm or other effective means of monitoring loss of storedenergy in hydraulic accumulators is to be provided at the central operating console on thenavigating bridge. Loss of stored energy indication at each local operating position is to beprovided.

9.17.3(c) an independent electrical system and motor for each door with each power sourceconsisting of a motor capable of opening and closing the door. The power source is to becapable of being automatically supplied by the transitional source of emergency electricalpower as required by 5-7-5/1.7.2 in the event of failure of either the main or emergencysource of electrical power and with sufficient capacity to operate the door at least three times,i.e. closed-open-closed against an adverse list of 15.

For the systems specified in 5-7-2/9.17.3(a), 5-7-2/9.17.3(b) and 5-7-2/9.17.3(c) the powersystems for power-operated watertight sliding doors are to be separate from any other powersystem. A single failure in the electric or hydraulic power-operated system excluding thehydraulic actuator is not to prevent the hand operation of any door.



9.17.4 5-7-2/9.17.4

Control handles are to be provided at each side of the bulkhead at a minimum height of 1.6 m(5.25 ft) above the deck and are to be so arranged as to enable persons passing through thedoorway to hold both handles in the open position without being able to set the power closingmechanism in operation accidentally. The direction of movement of the handles in openingand closing the door is to be in the direction of door movement and is to be clearly indicated.

9.17.5 5-7-2/9.17.5

As far as practicable, electrical equipment and components for watertight doors are to besituated above the bulkhead deck and outside hazardous areas and spaces.

9.17.6 5-7-2/9.17.6

The enclosures of electrical components necessarily situated below the bulkhead deck are toprovide suitable protection against the ingress of water.

9.17.7 5-7-2/9.17.7

Electric power, control, indication and alarm circuits are to be protected against fault in such away that a failure in one door circuit will not cause a failure in any other door circuits. Shortcircuits or other faults in alarm or indicator circuits of a door are not to result in a loss ofpower operation of that door. Arrangements are to be such that leakage of water into theelectrical equipment located below the bulkhead deck will not cause the door to open.

9.17.8 5-7-2/9.17.8

A single electrical failure in the power operating or control system of a power-operatedsliding watertight door is not to result in opening of a closed door. Availability of the powersupplies is to be continuously monitored at a point in the electrical circuit as near aspracticable to each of the motors required by 5-7-2/9.17.3. Loss of any such power supply isto activate an audible and visual alarm at the central operating console at the navigatingbridge.

9.19 Central Operating Console 5-7-2/9.19

9.19.1 5-7-2/9.19.1

The central operating console at the navigating bridge is to have a master mode switchwith two modes of control: a local control mode which will allow any door to be locallyopened and locally closed after use without automatic closure, and a doors closed modewhich will automatically close any door that is open. The doors closed mode will permitdoors to be opened locally and will automatically reclose the doors upon release of the localcontrol mechanism. The master mode switch is to be normally in the local controlmode.

9.19.2 5-7-2/9.19.2

The central operating console at the navigating bridge is to be provided with a diagramshowing the location of each door, with visual indicators to show whether each door is openor closed. A red light is to indicate a door is fully open and a green light is to indicate a dooris fully closed. When the door is closed remotely the red light is to indicate the intermediateposition by flashing. The indicating circuit is to be independent of the control circuit for eachdoor.

9.19.3 5-7-2/9.19.3

The arrangements are to be such as to prohibit the opening of any door from the centraloperating console.



9.21 Watertight Doors in Cargo Spaces 5-7-2/9.21

Watertight doors of substantial construction may be fitted in watertight bulkheads dividing cargobetween deck spaces. Such doors may be hinged, rolling or sliding doors and are not to be remotelycontrolled. They are to be fitted at the highest level and as far from the shell plating as practicable, butin no case is the outboard vertical edge to be situated at a distance from the shell plating which is lessthan one fifth of the breadth of the vessel, such distance being measured at right angles to thecenterline of the vessel at the level of the deepest subdivision load line.

All watertight doors in the cargo spaces are to be kept closed during navigation and should any of thedoors be accessible during the voyage, they are to be fitted with a device which prevents unauthorizedopening. When it is proposed to fit such doors, the number and arrangements are to be speciallyconsidered.

9.23 Portable Plates 5-7-2/9.23

Portable plates on bulkheads are not permitted except in machinery spaces. The necessary precautionsare to be taken in replacing them to ensure that the joints are watertight.

The Bureau will consider not more than one power-operated sliding watertight door in each maintransverse bulkhead larger than 1.2 m (3.94 ft) in clear opening width being substituted for theseportable plates, provided these doors are closed during navigation except, in case of urgent necessity,the doors may be opened at the discretion of the master. These doors need not meet the requirementsof 5-7-2/9.17.1(d) regarding complete closure by hand-operated gear in 90 seconds provided the doorscan be closed in a reasonable time.

9.25 Miscellaneous 5-7-2/9.25

9.25.1 5-7-2/9.25.1

Where trunkways or tunnels for piping, or for any other purpose are carried through maintransverse watertight bulkheads, they are to be watertight and in accordance with therequirements of 5-7-2/9.1. The access to at least one end of each such tunnel or trunkway, ifused as a passage at sea, is to be through a trunk extending watertight to a height sufficient topermit access above the margin line. The access to the other end of the trunkway or tunnelmay be through a watertight door of the type required by its location in the vessel. Suchtrunkways or tunnels are not to extend through the first subdivision bulkhead abaft thecollision bulkhead.

9.25.2 5-7-2/9.25.2

Where it is proposed to fit tunnels piercing main transverse watertight bulkheads, these willbe subject to special consideration.

9.25.3 5-7-2/9.25.3

Where trunkways in connection with refrigerated cargo and ventilation or forced draft trunksare carried through more than one watertight bulkhead, the means of closure at such openingsare to be operated by power and be capable of being closed from a central position situatedabove the bulkhead deck.

11 Decks, Superstructures and Deck Houses 5-7-2/11

11.1 General 5-7-2/11.1

The decks and superstructures and supporting structures are to be in accordance with Sections 3-2-3,3-2-7, 3-2-8, and 3-2-11 in addition to the following. The strength deck plating is in general to be inaccordance with 3-2-3/5.1 and equation 2a in 3-2-3/Table 2 and the buckling strength is to be inaccordance with 5-7-2/1.3.4.



11.3 Watertight Decks, Trunks, Tunnels, Duct Keels and Ventilators 5-7-2/11.3

11.3.1 5-7-2/11.3.1

Watertight decks, trunks, tunnels, duct keels and ventilators are to be of the same strength aswatertight bulkheads at corresponding levels. The means used for making them watertight,and the arrangements adopted for closing openings in them are to be submitted for approval.Watertight ventilators and trunks are to be carried at least up to the bulkhead deck.

11.3.2 (1998) 5-7-2/11.3.2

In ro-ro passenger vessels, where a ventilation trunk penetrates the bulkhead deck, the trunk isto be capable of withstanding the water pressure that may be present within the trunk, afterhaving taken into account the maximum allowable heel angle during intermediate stages offlooding.

11.3.3 (1998) 5-7-2/11.3.3

In ro-ro passenger vessels, where all or part of the penetration of the bulkhead deck is on themain ro-ro deck, the trunk is to be capable of withstanding impact pressure due to internalwater motions (sloshing) of water trapped on the ro-ro deck.

11.5 Support Structures 5-7-2/11.5

The deck beams, longitudinals, girders, transverses and pillars are to be in accordance with Section3-2-7 and Section 3-2-8 with the following modifications.

11.5.1 5-7-2/11.5.1

In lieu of 3-2-7/Table 1, design h of 0.50 m (1.64 ft) may be used in way of all enclosedaccommodation spaces except that in store rooms, air conditioning rooms, etc. where deckloadings exceed 3530 N/m2 (360 kgf/m2, 75 lbf/ft2), the h is to be increasedproportionately. Other values may be considered upon submission of calculations. Also see5-7-2/1.3.5 for all supporting structures. The structural stability of the stiffening members ofthe decks are to be investigated.

11.5.2 5-7-2/11.5.2

The height h for any pillar is not to be less than the height for the beams at the top of thepillar plus the sum of the heights for the beams of all complete decks and partialsuperstructures and houses supported by the pillar.

11.7 Effective Lower Deck Thickness 5-7-2/11.7

Where an analysis based upon the ultimate strength is submitted, the requirements in 3-2-3/5.1 may bespecially considered.


P A R T


Passengers

S E C T I O N 3 Subdivision and Stability 5 - 7 - 3

1 General 5-7-3/1

When the vessel is issued a Passenger Ship Safety Certificate by the Administration or its agent otherthan the Bureau, such certificate will be accepted as evidence of compliance with subdivision andstability requirements of Regulations II-1/4 through 8 of the 1974 SOLAS Convention, as amended.On all other passenger vessels, when authorized by an Administration and requested by the Owner,the Bureau will review the data on the subdivision and stability for compliance with 1974 SOLASConvention, as amended, on behalf of the Administration. However, also see 5-7-1/1.9.

3 Inclining Experiment and Trim and Stability Booklet 5-7-3/2

When the vessel is issued a Passenger Ship Safety Certificate by the Administration or its agent otherthan the Bureau, such certificate will be accepted as evidence of compliance with the requirement foran inclining experiment and Trim and Stability Booklet of Regulation II-1/ 22 of the 1974 SOLASConvention, as amended. On all other passenger vessels, when authorized by an Administration andrequested by the Owner, the Bureau will review the inclining experiment and Trim and StabilityBooklet and data for compliance with 1974 SOLAS Convention, as amended, on behalf of theAdministration. However, also see 5-7-1/1.9.

5 Damage Control Plans 5-7-3/3

There is to be permanently exhibited, for the guidance of the officers in charge of the vessel, plansshowing clearly for each deck and hold the boundaries of the watertight compartments, the openingstherein with the means of closure and position of any controls thereof, and the arrangements for thecorrection of any heel due to flooding. In addition, booklets containing the aforementionedinformation are to be made available to the officers of the vessel.

When the vessel is issued a Passenger Ship Safety Certificate by the Administration or its agent otherthan the Bureau, such certificate will be accepted as evidence of compliance with the requirements fordamage control plans of Regulation II-1/23 of the 1974 SOLAS Convention, as amended. On all otherpassenger vessels, when authorized by an Administration and requested by the Owner, the Bureauwill review the damage control plan for compliance with 1974 SOLAS Convention, as amended, onbehalf of the Administration. However, also see 5-7-1/1.9.


P A R T


Passengers

S E C T I O N 4 Fire Safety Measures 5 - 7 - 4

1 Structural Fire Protection 5-7-4/1

When the vessel is issued a Passenger Ship Safety Certificate by the Administration or its agent otherthan the Bureau, such certificate will be accepted as evidence of compliance with the structural fireprotection requirement of Regulation II-2/16, 18, 23 through 35 of the 1974 SOLAS Convention, asamended. On all other passenger vessels, when authorized by an Administration and requested by theOwner, the Bureau will review the structural fire protection data and plans for compliance with 1974SOLAS Convention, as amended, on behalf of the Administration. However, also see 5-7-1/1.9.

3 Fire Control Plans 5-7-4/2

When the vessel is issued a Passenger Ship Safety Certificate by the Administration or its agent otherthan the Bureau, such certificate will be accepted as evidence of compliance with furnishing of firecontrol plans requirement of Regulation II-2/20 of the 1974 SOLAS Convention, as amended. On allother passenger vessels, when authorized by an Administration and requested by the Owner, theBureau will review the fire control plans for compliance with 1974 SOLAS Convention, as amended,on behalf of the Administration. However, also see 5-7-1/1.9.


P A R T


Passengers

S E C T I O N 5 Machinery Equipment andSystems

CONTENTS1 Emergency Source of Power .............................................. 977

1.1 General................................................................................. 977

1.3 Emergency Loads ................................................................ 977

1.5 Emergency Source of Electrical Power................................ 979

1.7 Transitional Source of Electrical Power ............................... 979

1.9 Emergency Switchboard ...................................................... 980

1.11 Non-emergency Circuits....................................................... 980

1.13 Distribution System .............................................................. 981

3 Electrical Cables in Accommodation Areas ...................... 981

5 Fire Pumps, Fire Mains, Hydrants, Hoses andNozzles................................................................................. 981

5.1 General................................................................................. 981

5.3 Fire Pumps ........................................................................... 981

5.5 Fire Mains............................................................................. 982

5.7 Hydrants ............................................................................... 982

5.9 Fire Hoses ............................................................................ 982

5.11 Nozzles................................................................................. 983

5.13 Location and Arrangement of Water Pumps, etc, forOther Fire-Extinguishing Systems........................................ 983

7 Bilge and Ballast Systems .................................................. 983

7.1 General................................................................................. 983

7.3 Bilge Piping System ............................................................. 983

7.5 Bilge Pumps ......................................................................... 984

9 Fixed Fire Detection and Fire Alarm Systems,Automatic Sprinkler, Fire Detection and FireAlarm Systems .................................................................... 985

9.1 Vessels Carrying 36 Passengers or Less ............................ 985


9.3 Vessels Carrying More Than 36 Passengers....................... 985

9.5 Control Station for Fire Detection Alarms............................. 985

11 Cargo Spaces.......................................................................986

11.1 Special Category Spaces ..................................................... 986

11.3 Protection of Cargo Spaces, Other than Special CategorySpaces, Intended for the Carriage of Motor Vehicles withFuel in Their Tanks for Their Own Propulsion...................... 986

11.5 Protection of Closed and Open Ro-Ro Cargo Spaces,Other than Special Category Spaces and Ro-Ro SpacesIntended for the Carriage of Motor Vehicles with Fuel inTheir Tanks........................................................................... 986

11.7 Other Cargo Spaces............................................................. 986

13 Special Arrangements in Machinery Spaces .....................986

13.1 Remote Controls................................................................... 986

13.3 Fuel Oil Tanks ...................................................................... 987

13.5 Sounding Pipes .................................................................... 987

13.7 Doors in Machinery Spaces ................................................. 987

15 Firemans Outfits .................................................................987

15.1 Number................................................................................. 987

15.3 Storage ................................................................................. 987

15.5 Breathing Apparatus............................................................. 987

17 Manual Alarm System..........................................................988

19 General and Special Fire Alarms ........................................988

21 General Emergency Alarm System.....................................988

23 Public Address System .......................................................988

25 Portable Communication Equipment..................................988

27 Dangerous Goods................................................................988

29 Protection Against Noise in Machinery Spaces.................988

31 Vibration Prediction Calculations .......................................989

33 Helicopter Landing and Pick-up Areas...............................989

33.1 Helicopter Pick-up Area........................................................ 989

33.3 Helicopter Landing Area....................................................... 989


P A R T


Passengers

S E C T I O N 5 Machinery Equipment andSystems 5 - 7 - 5

1 Emergency Source of Power 5-7-5/1

1.1 General 5-7-5/1.1

The emergency source of power is to be in accordance with 4-8-2/5.1, 4-8-2/5.13.5 and 4-8-2/5.15, inaddition to the following.

1.3 Emergency Loads 5-7-5/1.3

The electrical power available is to be sufficient to supply all those services that are essential forsafety in an emergency, due regard being paid to such services as may have to be operatedsimultaneously. Having regard to starting currents and the transitory nature of certain loads, theemergency source of electrical power is to be capable of supplying simultaneously at least thefollowing services for the periods specified hereinafter, if they depend upon an electrical source fortheir operation:

1.3.1 5-7-5/1.3.1

For a period of 36 hours, emergency lighting:

1.3.1(a) at every muster and embarkation station and over the sides of the vessel;

1.3.1(b) in alleyways, stairways and exits giving access to the muster and embarkationstations;

1.3.1(c) in all service and accommodation alleyways, stairways and exits, personnelelevators;

1.3.1(d) in the machinery spaces and main generating stations including their controlpositions;

1.3.1(e) in all control stations, machinery control rooms, and at each main and emergencyswitchboard;

1.3.1(f) at all stowage locations for firemens outfits;

1.3.1(g) at the steering gear; and

1.3.1(h) at the fire pump, the sprinkler pump and the emergency bilge pump and at thestarting position of their motors.

Part 5 Specific Vessel TypesChapter 7 Vessels Intended to Carry PassengersSection 5 Machinery Equipment and Systems 5-7-5


1.3.2 5-7-5/1.3.2

For a period of 36 hours:

1.3.2(a) the navigation lights and other lights required by the International Regulations forPreventing Collisions at Sea, and

1.3.2(b) (1 February 1995) VHF radio installation required by Regulation IV/7.1.1 andIV/7.1.2 of SOLAS 1974, as amended; and if applicable:

i) The MF radio installation required by Regulations IV/9.1.1, IV/9.1.2, IV/10.1.2 andIV/10.1.3 of SOLAS 1974, as amended

ii) The ship earth station required by Regulation IV/10.1.1 of SOLAS 1974, as amended

iii) The MF/HF radio installation required by Regulations IV/10.2.1, IV/10.2.2 andIV/11.1 of SOLAS 1974, as amended.

1.3.3 5-7-5/1.3.3


1.3.3(a) all internal communication equipment required in an emergency;

1.3.3(b) shipborne navigational equipment (i.e., radar, gyro compass, etc.) as required byRegulation V/12 of SOLAS 1974, as amended, except that where such provision isunreasonable or impracticable for vessels having a gross tonnage of less than 5,000 tons, thisrequirement may be waived if evidence of approval by the Administration is submitted;

1.3.3(c) the fire detection and fire alarm system, and the fire door holding and releasesystem; and

1.3.3(d) for intermittent operation of daylight signaling lamp, the vessels whistle, themanually operated fire alarms, and all internal signals that are required in an emergency.

1.3.4 5-7-5/1.3.4


1.3.4(a) one of the required fire pumps;

1.3.4(b) the automatic sprinkler pump, if any; and

1.3.4(c) the emergency bilge pump and all the equipment essential for the operation ofelectrically powered remotely controlled bilge valves.

1.3.5 5-7-5/1.3.5

The steering gear for the time period and electrical capacity specified in 4-8-2/5.5.10 and4-3-4/11.9 except where an independent source of power to the steering gear is fitted withinthe steering gear compartment that complies with 4-3-4/11.9.

1.3.6 5-7-5/1.3.6

For a period of half an hour:

1.3.6(a) any watertight doors required by 5-7-2/9 to be power-operated together with theirindicators and warning signals;

1.3.6(b) the emergency arrangements to bring the elevators to deck level for the escape ofpersons. The passenger elevators may be brought to deck level sequentially in an emergency.



1.3.7 5-7-5/1.3.7

In a vessel engaged regularly on voyages of short duration and provided it can bedemonstrated that an adequate standard of safety would be attained, a period less than the 36hours period specified in 5-7-5/1.3.1 to 5-7-5/1.3.4 but not less than 12 hours would beconsidered.

1.3.8 5-7-5/1.3.8

If the emergency generator is used to meet the requirements for dead vessel start(see 4-8-2/3.1.3) it is to be sized to supply simultaneously power to emergency lighting,internal communications, and fire detection and alarms in addition to power needed to startthe main propulsion plant.

1.5 Emergency Source of Electrical Power 5-7-5/1.5

The emergency source of electrical power may be either a generator or an accumulator battery, whichis to comply with the following:

1.5.1 5-7-5/1.5.1

Where the emergency source of electrical power is a generator, it is to be:

1.5.1(a) driven by a suitable prime mover with an independent supply of fuel having aflashpoint (closed cup test) of not less than 43C (109F);

1.5.1(b) (1 Oct. 1994) started automatically upon failure of the electrical supply from themain source of electrical power and is to be automatically connected to the emergencyswitchboard; those services referred to in 5-7-5/1.7 are then to be transferred automatically tothe emergency generating set. The automatic starting system and the characteristic of theprime mover are to be such as to permit the emergency generator to carry its full rated load asquickly as is safe and practicable, subject to a maximum of 45 seconds; and

1.5.1(c) provided with a transitional source of emergency electrical power according to5-7-5/1.7.

1.5.2 5-7-5/1.5.2

Where the emergency source of electrical power is an accumulator battery, it is to be capableof:

1.5.2(a) carrying the emergency electrical load without recharging while maintaining thevoltage of the battery throughout the discharge period within 12 percent above or below itsnominal voltage;

1.5.2(b) automatically connecting to the emergency switchboard in the event of failure of themain source of electrical power; and

1.5.2(c) immediately supplying at least those services specified in 5-7-5/1.7.

1.7 Transitional Source of Electrical Power 5-7-5/1.7

The transitional source of electrical power required by 5-7-5/1.5 is to consist of an accumulatorbattery suitably located for use in an emergency. It is to operate without recharging while maintainingthe voltage of the battery throughout the discharge period within 12 percent above or below itsnominal voltage and be of sufficient capacity and so arranged as to supply automatically in the eventof failure of either the main or emergency source of electrical power at least the following services;



1.7.1 5-7-5/1.7.1

For half an hour:

1.7.1(a) the lighting required by 5-7-5/1.3.1 and 5-7-5/1.3.2

1.7.1(b) all services required by 5-7-5/1.3.3(a), 5-7-5/1.3.3(c) and 5-7-5/1.3.3(d) unless suchservices have an independent supply for the period specified from an accumulator batterysuitably located for use in an emergency.

1.7.2 5-7-5/1.7.2

Power to operate the watertight doors, as required by 5-7-2/9.17.3(c), but not necessarily allof them simultaneously, unless an independent temporary source of stored energy is provided.Power to the control, indication and alarm circuits as required by 5-7-2/9.17.2 for half anhour.

1.9 Emergency Switchboard 5-7-5/1.9

1.9.1 5-7-5/1.9.1

The emergency switchboard is to be installed as near as is practicable to the emergencysource of electrical power.

1.9.2 5-7-5/1.9.2

Where the emergency source of electrical power is a generator, the emergency switchboard isto be located in the same space unless the operation of the emergency switchboard wouldthereby be impaired.

1.9.3 5-7-5/1.9.3

No accumulator battery fitted in accordance with these requirements is to be installed in thesame space as the emergency switchboard. An indicator is to be mounted in a suitable placeon the main switchboard or in the machinery control room to indicate when the batteries,constituting either the emergency source of electrical power or the transitional source ofemergency electrical power referred to in 5-7-5/1.5 or 5-7-5/1.7, are being discharged.

1.9.4 5-7-5/1.9.4

The emergency switchboard is to be supplied during normal operation from the mainswitchboard by an interconnector feeder which is to be adequately protected at the mainswitchboard against overload and short circuit and which is to be disconnected automaticallyat the emergency switchboard, upon failure of the main source of electrical power, by aswitch, circuit breaker, or other equivalent disconnecting device. Where the system isarranged for feedback operation, the interconnector feeder is also to be protected at theemergency switchboard at least against overload and short circuit protection and is to bearranged to open before the generator is overloaded.

1.9.5 5-7-5/1.9.5

In order to ensure ready availability of the emergency source of electrical power,arrangements are to be made where necessary to disconnect automatically non-emergencycircuits from the emergency switchboard to ensure that power is available to the emergencycircuits.

1.11 Non-emergency Circuits 5-7-5/1.11

Provided that suitable measures are taken for safeguarding independent emergency operation under allcircumstances, the emergency generator may be used exceptionally, and for short periods, to supplynon-emergency circuits.



1.13 Distribution System 5-7-5/1.13

Electrical distribution systems are to be so arranged that fire in any main vertical zone as is defined inRegulation II-2/3.9 will not interfere with services essential for safety in any other such zone. Thisrequirement will be met if main and emergency feeders passing through any such zone are separatedboth vertically and horizontally as widely as is practicable.

3 Electrical Cables in Accommodation Areas (1999) 5-7-5/3

In addition to 4-8-3/9.5, electrical cables installed in accommodation areas are to be of a low-halogencontent type meeting a recognized test standard. To verify the aforementioned, an affidavit from thecable manufacturer attesting to such effect is to be included in pertinent plans submission.

5 Fire Pumps, Fire Mains, Hydrants, Hoses and Nozzles 5-7-5/5

5.1 General 5-7-5/5.1

The fire pumps, fire mains, hydrants, hoses and nozzles are to be in accordance with 4-7-3/1 inaddition to the following.

5.3 Fire Pumps 5-7-5/5.3

5.3.1 Number of Fire Pumps 5-7-5/5.3.1

Ships of 4,000 tons gross tonnage and over are to be provided with at least threeindependently driven fire pumps and ships of less than 4,000 tons gross tonnage are to beprovided with at least two independently driven fire pumps.

5.3.2 Capacity of Fire Pumps 5-7-5/5.3.2

The fire pumps required by 5-7-5/5.3.1 above are to be capable of delivering for fire-fightingpurposes a quantity of water not less than two thirds that required to be dealt with by the bilgepumps when employed for bilge pumping at the appropriate pressure specified in 5-7-5/5.5.2.

5.3.3 Arrangement of Fire Pumps and Power Sources 5-7-5/5.3.3

The arrangement of sea connections, fire pumps and their source of power are to be locatedaft of the collision bulkhead and are to be such to ensure that:

5.3.3(a) in ships of 1,000 tons gross tonnage and upwards, a fire in any one compartment willnot put all the fire pumps out of action.

5.3.3(b) (1996) in ships of less than 1,000 tons gross tonnage, if a fire in any onecompartment could put all the pumps out of action, an emergency fire pump complying with4-7-3/1.5.3 is to be provided. The emergency fire pump is to be capable of simultaneouslydelivering a 12 m (40 ft) jet throw from any two adjacent hydrants located in accordance with5-7-5/5.7.1.

5.3.4 Arrangement of Fire Water Supply 5-7-5/5.3.4

The arrangements for the ready availability of water supply are to be:

5.3.4(a) In ships of 1,000 tons gross tonnage and upwards such that at least one effective jetof water is immediately available from any hydrant in an interior location and so as to ensurethe continuation of the output of water by the automatic starting of a required fire pump;

5.3.4(b) In ships of less than 1,000 tons gross tonnage an effective stream is to be readilyavailable;



5.3.4(c) If fitted with periodically unattended machinery spaces, provisions for fixed waterfire-extinguishing arrangement for such spaces equivalent to those required for normallyattended machinery spaces are to be provided.

5.5 Fire Mains 5-7-5/5.5

5.5.1 Size 5-7-5/5.5.1

The diameter of the fire main and water service pipes is to be sufficient for the effectivedistribution of the maximum required discharge from two fire pumps operatingsimultaneously.

5.5.2 Pressure (1 Oct. 1994) 5-7-5/5.5.2

With the two pumps simultaneously delivering through nozzles the quantity of waterspecified in 5-7-5/5.5.1, through any adjacent hydrants, the following minimum pressures areto be maintained at all hydrants:

5.5.2(a) 4,000 tons gross tonnage and upwards 0.4 N/mm2 (4.1 kgf/cm2, 58 psi)

5.5.2(b) Less than 4,000 tons gross tonnage 0.3 N/mm2 (3.1 kgf/cm2, 44 psi)

The maximum pressure at any hydrant is not to exceed that at which the effective control of afire hose can be demonstrated.

5.7 Hydrants 5-7-5/5.7

5.7.1 5-7-5/5.7.1

The number and position of hydrants are to be such that at least two jets of water notemanating from the same hydrant, one of which is to be from a single length of hose, mayreach any part of the vessel normally accessible to the passengers or crew while the vessel isbeing navigated, and any part of any cargo space when empty, any ro-ro cargo space or anyspecial category space in which latter case the two jets will reach any part of such space, eachfrom a single length of hose. Furthermore, such hydrants are to be positioned near theaccesses to the protected spaces.

5.7.2 5-7-5/5.7.2

In the accommodation, service and machinery spaces the number and position of hydrants areto be such that the requirements of 5-7-5/5.7.1 are to be complied with when all watertightdoors and all doors in main vertical zone bulkheads are closed.

5.7.3 5-7-5/5.7.3

Where access is provided to a machinery space of Category A at a low level from an adjacentshaft tunnel, two hydrants are to be provided external to, but near the entrance to thatmachinery space. Where such access is provided from other spaces, in one of those spacestwo hydrants are to be provided near the entrance to the machinery space of Category A. Suchprovision need not be made where the tunnel or adjacent spaces are not part of the escaperoute.

5.9 Fire Hoses 5-7-5/5.9

At interior locations in vessels carrying more than 36 passengers, the fire hoses are to be connected tothe hydrants at all times.

There is to be at least one fire hose for each of the hydrants required by 5-7-5/5.7 and these hoses areto be used only for the purposes of extinguishing fires or testing the fire-extinguishing apparatus atfire drills and surveys.

Vessels are to be provided with fire hoses the number and diameter of which are to be to thesatisfaction of the Bureau.



5.11 Nozzles 5-7-5/5.11

In vessels carrying more than 36 passengers, each machinery space of Category A is to be providedwith at least two suitable water fog applicators.

5.13 Location and Arrangement of Water Pumps, etc, for Other Fire-ExtinguishingSystems 5-7-5/5.13

Pumps required for the provision of water for other required fire-extinguishing systems, their sourcesof power and their controls are to be installed outside the space or spaces protected by such systemsand are to be so arranged that a fire in the space or spaces protected will not put any such system outof action.

7 Bilge and Ballast Systems 5-7-5/7

7.1 General 5-7-5/7.1

The bilge and ballast systems are to comply with 4-6-4/5 and 4-6-4/7 respectively and, in addition, tothe following.

7.3 Bilge Piping System 5-7-5/7.3

7.3.1 General 5-7-5/7.3.1

The bilge pumping system is to be capable of operation under all practicable conditions aftera casualty whether the vessel is upright or listed. For this purpose wing suctions are togenerally be fitted except in narrow compartments at the end of the vessel where one suctionmay be sufficient. In compartments of unusual form, additional suctions may be required.Arrangements are to be made whereby water in the compartment may find its way to thesuction pipes. Where the provision of drainage may for particular compartments beundesirable, the provision of drainage to that compartment will be specially considered ifcalculations show that the survival capability of the vessel will not be impaired by flooding ofthe compartment.

7.3.2 Emergency Bilge Suctions 5-7-5/7.3.2

All vessels are to be provided with emergency bilge suctions as indicated in 4-6-4/5.5.5(b).

7.3.3 Spindles 5-7-5/7.3.3

The spindles of the sea inlet and direct suction valves are to extend well above the engine-room platform

7.3.4 Bilge Suctions 5-7-5/7.3.4

All bilge suction piping up to the connection to the pumps are to be independent of otherpiping.

7.3.5 Machinery Space 5-7-5/7.3.5

Independently powered bilge pumps situated in machinery spaces are to have direct suctionsfrom these spaces, except that not more than two such suctions are to be required in any onespace. Where two or more such suctions are provided, there is to be at least one on each sideof the vessel. Independently powered bilge pumps situated in other spaces with maingenerators or other equipment essential to the safety of the vessel are to have separate directsuctions. Direct suctions are to be suitably arranged, and those in a machinery space are to beof a diameter not less than that required for the bilge main.



7.3.6 Manifolds, Cocks and Valves 5-7-5/7.3.6

Manifolds, cocks and valves in connection with the bilge pumping system are to be soarranged that, in the event of flooding, one of the bilge pumps may be operative on anycompartment; in addition, damage to a pump or its pipe connecting to the bilge main outboardof a line drawn at one fifth of the breadth of the vessel is not to put the bilge system out ofaction. If there is only one system of pipes common to all the pumps, the necessary valves forcontrolling the bilge suctions are to be capable of being operated from above the bulkheaddeck. If an emergency bilge pumping system is fitted, it is to be independent of the mainsystem and so arranged that a pump is capable of operating on any compartment underflooding condition as specified in 5-7-5/7.3.1; in that case only the valves necessary for theoperation of the emergency system need be capable of being operated from above thebulkhead deck.

All cocks and valves referred to above which can be operated from above the bulkhead deckare to have their controls at their place of operation clearly marked and are to be providedwith means to indicate whether they are open or closed.

7.5 Bilge Pumps 5-7-5/7.5

7.5.1 5-7-5/7.5.1

At least three power pumps are to be fitted aft of the collision bulkhead and connected to thebilge main, one of which may be driven by the propulsion machinery. Where the criterionnumeral is 30 or more as defined in Regulation II-1/6, one additional independent powerpump is to be provided. When the Passenger Ship Safety Certificate is issued by theAdministration or its agent other than the Bureau, the builder or designer is to advise theBureau of the criterion number used by the Administration or its agents.

7.5.2 5-7-5/7.5.2

Where practicable, the power bilge pumps are to be placed in separate watertightcompartments and so arranged or situated that these compartments will not be flooded by thesame damage. If the main propulsion machinery, auxiliary machinery and boilers are in twoor more watertight compartments, the pumps available for bilge service are to be distributedas far as is possible throughout these compartments.

7.5.3 5-7-5/7.5.3

On a vessel of 91.5 m (300 ft) in length and above or having a criterion numeral of 30 ormore, the arrangements are to be such that at least one power bilge pump is to be available foruse in all flooding conditions which the vessel is required to withstand, as follows:

7.5.3(a) One of the required bilge pumps is to be an emergency pump of a reliablesubmersible type having a source of power situated above the bulkhead deck; or

7.5.3(b) the bilge pumps and their sources of power are to be so distributed throughout thelength

Part 5_2 Steel Vessel - Specific Type

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