Cabinet of Ministers Regulations No. 49 in the 2008 January 29 (pr. Nr. 6 14. §) rules on the safety of ships Issued in accordance with the maritime administration and the Maritime Security Act, article 11 of the fourth part 1 General questions 1. determines the safety requirements for existing and new Latvian register of Ships registered for commercial ships which: 1.1 not engaged on international voyages;
1.2. make international voyages, but their gross tonnage of less than 500.2. Provisions do not apply to: 2.1 fishing vessels;
2.2. those passenger ships the safety requirements determined by law on the safety of passenger ships (with the exception of those provisions of Chapter 13);
2.3. recreational craft (except this rule 13). 3. The terms used in the following terms: 3.1 open vessel-vessel not watertight;
3.2. emergency slēgdēl-slēgdēl, which is connected directly to the emergency source of electrical power and power distribution for emergency cases;
3.3. the B-15 class partition-partition the partitions and decks, ceilings or linings which are designed for the first half hour of the standard fire test in the end prevent flames and insulation integrity value is such that exposure to flame the compartment-side average temperature does not rise more than 139 ° C above the initial temperature and the temperature at any point (including any connection point) 15 minutes does not rise above 225 ° C above the initial temperature;
3.4. job board-lowest continuous deck, above the deepest operating waterline;
3.5. degtnespējīg material-material that lighter exposure does not ignite and smolders, charred;
3.6. fuel system-equipment that is used to produce fuel for internal combustion engines supply. This includes high pressure pumps, filters, heaters and other equipment that works with fuel pressure exceeding 0.18 N/mm2;
3.7.-Diametral plane of the hull in the vertical longitudinal plane of symmetry;
3.8. the deepest operating waterline-the waterline corresponding to the fee authorized clays vessel draught;
3.9. living space-ship's crew for the space, the lying, the sanitary facilities dining room, lounge and infirmary;
3.10. energy equipment-machinery and systems that ensure the movement of the ship and the ship's control, technological equipment, as well as municipal and working conditions;
3.11. the existing ship-a ship which is not a new ship;
3.12. main deck-continuous watertight deck, under the authority of the external maritime and weather exposure. This term is used for recreational craft;
3.13. the main slēgdēl-slēgdēl, which is directly connected to the main power source and intended for distribution of electricity;
3.14. the main steering linkage-mechanism, power packs (if any is used), auxiliary equipment and features that provide a torque to the steering shaft drainage, under normal operating conditions to effectively amend the corner and managed;
3.15. the length (L)-length, which is 96% of the full length of the ship to the waterline with 85% of the theoretical draught side height (the height is measured from the top edge of the keel), or the length from the front edge of the ship priekšvadņ to the axis of the steering shaft along the waterline (choose the longest). Ships designed with positive rake of keel the waterline on which this length is measured shall be parallel to the waterline constructive;
3.16. new ship-a ship which complies with the following conditions: the contract for the vessel gear. the building is closed on 1 January 2007 or later;
3.16.2. the contract for the construction of the ship has been concluded before 1 January 2007, but the ship is delivered to the customer by 1 January 2010;
3.16.3. the conclusion of a contract for the construction of the ship, but the vessel's construction start date determines when it is inserted into the Carina or enclosed construction, or construction is assembled (design weight is the lowest of the values-50 tonnes or 1% of the weight of the design of the vessel provided for);
3.17. the midpoint of length-length (L) of the Center;
3.18. the ship without power-a condition in which dzeniekārt, boiler and auxiliary machinery don't work because the power supply is not ensured;
3.19. Shipping Division-proper, which allowed the operation. The meaning of these provisions have the following shipping area: 3.19.1. Baltic Sea-sailing in the Baltic Sea, but not behind the line drawn from the Hanstholm to Lindesnes and through the Kiel Canal, up to a line drawn from the Esbjerg via point with coordinates 53 ° N and 4 ° E to Bruxelles the lighthouse;
3.19.2. coastal boating-sailing, if the distance to the port of refuge not more than 20 nautical miles;
3.19.3. inland waterway shipping-shipping port internal and internal bodies of water within the sea. Komerckuģošan ship traffic to be used in inland waterway vessels allowed in the proper way is with an appropriate depth and equipped with navigation signs and lights;
3.20. the maximum reverse speed-the speed of a vessel can be developed with maximum design capacity and reversing maximum allowed draught;
3.21. the engine room-the ship's construction in part where the internal combustion engine, or central heating boilers or internal combustion engines, and central heating boilers that heated by burning petroleum products;
3.22. the nominal operating speed-increased speed, a ship has been designed with maximum allowed draught;
3.23. normal operation and housing-a condition in which the ship as a whole, the machinery, dzeniekārt, steering, safe navigation, equipment that reduce fire and the ship with water, the risk of the budgetisation proposal;, external relations and signāllīdzekļ, leaving the ship features present condition and housing provides minimal comfort;
3.24. culpably violate applicable-meteorological conditions, ice conditions, workload and other factors that should be taken into account in the operation of the ship;
3.25. the service not the engine periodically-the engine room, which is located on the main dzeniekārt and the main source of electrical power and are not always (also the vessel carrying out maneuvers) located in the service staff;
3.26. the width (B)-the greatest width of the vessel, which measured the length of the ship in the middle between the outer edges of the frame-ships with metal lining-and between the outer surfaces of the hull-ships with a lining of other materials;
3.27. spare wheel transmission-equipment designed to effectively amend the corner and guide vessels in case the main stops steering transmission;
3.28. the height of the side (D)-the theoretical side height at the midpoint of the length of the ship;
3.29. splash opacities-design ability to ensure that regardless of the status of sea water can escape into the vessel;
3.30. the theoretical side height-the vertical distance from the horizontal keel to the job board at the lower surface of the ship's side. Vessels with rounded deck and the side connection of the theoretical side height is measured to the deck and the side of the theoretical line intersection. If the labor Board has rung and the increased part is above the height of the theoretical side of the measuring point, the theoretical side height is measured to the lower working deck parts cont conditional line, parallel to the deck of the elevated part;
3.31. watertight integrity-the ability of the structure to let through water in one direction, if the water pressure is that this design is intended;

3.32. the fire alarm-the technical means that the origin of fire, automatically detects, observes, and signal it. 4. the ship's hull, main and auxiliary machinery, machinery equipment, electrical equipment and automation is designed, constructed and maintained in accordance with the requirements of the classification in accordance with the 1974 International Convention for the safety of life at sea with subsequent amendments (henceforth-SOLAS), chapter II-1.-1.-1. the provisions of part 3. 5. the provisions of the ship inspection conducted and documents issued by State joint stock company "Latvian maritime administration" (further-the marine Administration) Maritime Safety Inspectorate (hereinafter Inspectorate). At the request of the owner recognized organization can carry out its functions as provided for in these rules, it's a mandate agreement with maritime authorities. 6. If individual terms of these requirements essential to make it more difficult (for example, interfere with the installation of new equipment and connection to existing ship systems) a new type of construction and equipment on board, the introduction of an inspection released ship from these rules 4, 5, 6, 7, 8, 9, 10 and 12. the requirements laid down in chapter provided that they comply with the safety requirements that are applicable to the specific circumstances of the operation and ensure the General security of the ship. 7. vessels operating exclusively in Latvian territorial waters, free from inspection of individual requirements, these provisions only if this is considered necessary for the effective operation of the ship, taking into account the specific shipping areas, ship type, meteorological conditions and navigation conditions, provided that safety is not reduced. 8. If these rules provide that the Board uses a specific type of materials, facilities, equipment, machines or is subject to special requirements with regard to design and construction, the inspection permit instead the use of other materials, installations, equipment and apparatus, subject to other conditions or design and construction requirements, if it with the relevant tests or in any other way is satisfied that this material, facilities, equipment the use of the apparatus, or conditions are applied and design or the project is just as effective as those laid down in these rules, and it does not undermine the security of the ship. 2. The requirements that must be followed when the ship shipbuilding, conversion, repair and modernization works 9. Ship repair, after conversion, modernisation and equipment of vessels supply and Exchange must meet at least the same requirements that apply to them before the said works. 10. Large-scale rebuilding, repair and modernization works and the supply vessel and equipment changes to comply with the requirements for new ships. 11. Ship, which replaced the main engine or having made significant alterations, modifications and changes to the design that changed the capacity specified in the certificate of the vessel size or significantly changed its centre of gravity or the ship's equipment before commissioning carried out tests and the ship heeling provided with the new sustainability information. 12. the design, construction, modernisation or repairs can be done only in the merchant who received the inspection company issued a certificate of conformity (annex 1). 13. in order to receive the certificate of conformity, the Merchant shall provide the following documents: inspection 13.1. tasks and quality control for seconded staff list, specifying qualifications and adding copies of qualification;
13.2. production technology and quality control system;
13.3. the final product of the accompanying document to be served. 14. After examination of the documents inspected by the inspection company to ensure its ability to carry out ship building, design, upgrades or repair according to the requirements of this regulation. Reflect the results of the inspection. 15. If the opinion is positive, the inspection shall be issued by the operator to the head of the inspection of the company's compliance with the signed certificate. To ensure the monitoring of the economic operators after the issue of the licence, the Inspectorate carries out annual inspections of the company. After the annual inspection certificate shall carry the mark of inspection signed by the Inspector. Without the annual approval certificate is not valid. 16. Inspection cancelled certificate of conformity if the merchant transaction and produced output of discrepancy in the requirements of this regulation. 17. decisions related to the company's certificate of compliance or this provision provided for in paragraph 20 of the issue or revocation of a licence, can challenge the maritime authorities of the administrative procedure law in the month following its adoption. Maritime Administration decision may appeal to the Court. 3. Ship inspections 3.1. initial viewing 18. Initial inspection shall be made before the registration of the ship register of Latvia. They are made part of the ship and the view details, test, test and measurement, as well as verify the ship's documentation to become familiar with the ship and get the information you need about its design, komplektējum and technical compliance with the provisions of the State. The owner of the ship and the crew provides all the information necessary for the performance of the inspection. 19. If the previous operation of the vessel under the supervision of the recognised organisation and the existing Board documents, may be taken into account in the opinion of the recognised organisations and reduced the amount of the initial inspection, but it may not be less than the amount of the annual inspections. The following can be saved to the recognised organisation's predetermined time limits examinations and other conditions. According to the results of the initial survey ship detects the shipping area and conditions allowed shipping. 20. If inspection results are positive, the vessel shall be issued by the head of that inspection or its authorized person's certificate of the vessel confirmed: 20.1. shipping capacity certificate (annex 2);
20.2. the shipping capacity of the annex (annex 3);

20.3. the load line certificate (annex 4). 21. the Licence shall be issued for a period of not more than five years. Certificate is valid if it each year after inspection by inspectors of carrying out the signature. 3.2. Current inspection 22. Routine inspections shall be carried out no later than five years after the initial inspections and subsequent not less frequently than once every five years. The ship surveyed required dock, propelling and Steering check dismantled. The exception is propelling the machine with the "Simplex" type of seal, which dismantled the inspection authorised to carry out every 10 years. The exception is also stāvkuģ, debarkader, floating docks and other similar floating instruments for which deadlines are set for viewing on the dock on a case-by-case basis, depending on their design, age and operating characteristics. 23. Routine inspection mission is to make sure that the ship's structure, the komplektējum and the technical condition complies with safe navigation conditions in the maritime area defined above. Taking another view, take into account the age of the vessel, the condition of the materials, equipment, casing and other safe navigation of influencing factors. 24. Routine inspections shall be carried out during the construction of the hull defektācij, requires external cladding of the hull, watertight bulkheads, decks and other significant structural residual thickness measurements, and if defektācij or measurement results are not satisfactory, require a deformed or rusty construction repairs. 25. If inspection results are positive, the head of inspection shall be issued to the ship or its authorized persons approved these rules referred to in paragraph 20 of the licence. 26. the Licence shall be issued for a period of not more than five years. Certificate is valid if it each year after inspection by inspectors of carrying out the signature. 27. If the inspection found that the vessel is wholly or partially not conform to safe navigation conditions, shipping capacity certificate either does not issue, or a ship down the operating restrictions, which records the shipping capacity of the certificate. 3.3. Annual Inspection annual inspection carried out 28 every year to make sure that the design and technical komplektējum State is saved by compliance with safe navigation conditions. 29. The owner of the ship shall produce the annual ship inspection every year six month period, which begins three months before the sailing capabilities of certificate expiration date and ends three months after that date. During the Preview time, ensure that the inspections carried out since the previous inspection is not the constructive changes are not reconciled with the above requirements of the inspection that is carried out in a timely rescue and fire-fighting equipment required. 30. If the results of an annual survey results are positive, the term of validity of the certificate is extended for one year. 3.4. the Starpapskat dock Starpapskat dock on 31 carries for the period between inspections dock routine inspections within the verify the ship's underwater parts conformity with safe navigation conditions. Starpapskat deadline is determined between the second and third annual reviews, inspections of the ship to dock in between would be no more than 36 months. 32. If the spacing of the stern tube and the Steering box is permissible within the limits of the rules may allow starpapskat time does not show the stern tube and steering, dismantled on the basis of a reasoned application by the owner. Vessels older than 20 years, also during the starpapskat required hull thickness measurement of the external cladding. 33. The shipping capacity of the certificate made a record of starpapskat. 34. vessels intended for navigation in inland waters only, depending on the technical condition of the ship to the dock, you can replace the starpapskat with the underwater part of the review carried out by divers. 3.5. Extraordinary inspections. 35 extraordinary sights: 21.8. If the accident;
35.2. periodic screening requirements and result in notes due shall, if the due date does not coincide with the annual inspection;
35.3. the validity of the certificate of renewal;
35.4. for the grant of authorisation for a one-time trip to the ship;
22.1. upon the request of the owner;
35.6. If conversion or modernisation of vessels. 36. If the extraordinary reviews carried out to restore the validity of the certificate of the vessel and the inspection results are positive, the entry shall be made in the certificate of the vessel. 37. operational inspections of vessels in the operational inspection arrangements at the initiative of the Inspectorate, to ensure that the period between scheduled inspections the vessel is maintained in accordance with safe navigation conditions. 4. Hull construction, tightness and equipment 4.1.38. Hull construction, body styles, the deck house, the engine shaft, marketing and other construction, as well as the integrity of the equipment and the design meets the provisions of the SOLAS Convention, chapter II-1.-1.-1. the provisions of part 3, and is sufficient to withstand all foreseeable conditions of use of the vessel. 39. Ice conditions for hulls strengthened according to the expected shipping conditions and activities in the district. 40. the ship shall be fitted with a watertight collision bulkhead-bulkheads, fore: 24.9. not less than 0.05 L and not more than 0.08 L from the bow perpendicular-ships of 65 metres in length and over;
40.2. not less than 0.05 L and not more than 0.05 L plus 1.35 meters from bow perpendicular-vessels of less than 65 metres;
40.3. no closer than two metres from the perpendicular of the bow, but in vessels of less than 24 metres: not closer than one metre from the perpendicular of the bow-in any case. 41. when an underwater part of the hull at a point has been raised ahead of the bow below the perpendicular (for example, the front of the bulb), the provisions referred to in paragraph 40, the distance is measured from the raised parts of the length or midpoint of a point at 0.015 L forward from the perpendicular of the bow (the measures the smallest distance). 42. Partitions can create steps or niche, subject to this provision in paragraph 40 above distances. 43. the conclusion of the bulkhead, the opening features in these bulkheads, closing mechanism and their test methods comply with the requirements of the classification in accordance with the SOLAS Convention, chapter II-1.-1.-1. the provisions of part 3. Vessels are not built of wood, and the collision bulkhead shall be fitted with watertight bulkheads between at least the engine room, cargo space and living space. This bulkhead extends to the working deck. Also wooden vessels as possible be equipped with watertight bulkheads. 44. the pipes that pass through the collision bulkhead shall be fitted with valves, which leads are eliminated above the working deck. Valve box secured to the collision bulkhead inside the forepeak. In the collision bulkhead below the working deck must not be fitted to doors, hatches, ventilation or other openings. Where pipes, channels, and electrical cables pass through watertight bulkheads, arrangements shall be made to ensure that the bulkheads. 45. If the front long body, installed collision bulkhead shall be watertight up to the next deck above the working deck. The partition is not extended directly above the lower part situated this provision provided for in paragraph 40. In this case, the part of the Board that make waterproof the building steps. 46. in the collision bulkhead above the working deck shall be provided with only the minimum number of opens, which provides the service. These vents form the watertight seal and it hinges shall be so arranged that, in the conclusion of the open feature (for example, cover, door) would only open toward the bow. 47. vessels whose length is 85 metres in length and over, a double from the collision bulkhead to bulkhead, ahterpīķ if this is practically possible. 4.2. Watertight door 48. number of Open this provision provided for in paragraph 43 of the water-tight bulkheads are reduced to the minimum consistent with the vessel's design and operational needs. Openings shall be provided with the SOLAS Convention, chapter II-1-part 1 of 3-1. requirements for watertight sealing products. Watertight doors constructed as resistant as the surrounding structures that do not open. 49. On vessels with a length of less than 45 metres in length, the door can be opened and the type of opening from both sides. They are kept closed, the ship while at sea. Both sides of places stating that the door should be closed when the ship is at sea. 50. the new vessels of 500 gross tonnage and more, sliding watertight door of the type has the following spaces: 50.1. in rooms where it is intended that the door can be opened when the vessel while in the sea, and the lower edge of the door below the deepest operating waterline, unless exceptions are not matched with the inspection;

50.2. the bottom of the engine, if the door closes the entrance shaft tunnel. In other cases, the watertight door may be opened inwards. Slīdošaj watertight doors must be running if the ship is banked in to 15 to one or the other side. 51. The sliding watertight doors (both with manual drive and other drives) so constructed that they can be operated from both sides. In vessels of 45 metres in length and above, this door is with distance management from easily accessible position above the working deck, except when the door is placed in the crew accommodation. 52. Under the management of the distance, makes it possible to determine if the sliding door is open or closed. 53. the outer Hull openings shall be closed so as to prevent water entering the ship. The Board, which must be open, placed as close as possible to a Diametral plane of the vessel. 4.3. Splash-proof doors 54. all entry holes in walls and closed body styles in other external structures through which the water can flow into and a danger to the ship, equipped with fixed to the bulkhead mounted with the door frame and reinforcements to design strength would be equivalent to the construction without a way of opening and closed in a sprayproof and weathertight manner. Features that ensure the tightness of the door consists of seals and lever arch mechanisms or other equivalent equipment, they are either attached to the wall or door and operated both from outside and from the inside. 55. Border height door leading to the engine room, shaft and staircase down from the deck of the parts that are subject to direct atmospheric and sea, is at least 600 mm on a job board, and at least 300 mm to the superstructure deck. If there is a positive life experience and inspection is confirmed, this can reduce the height to 380 mm and 150 mm, except for the door that led directly to the engine room. 4.4. Luke with wooden covers 56. Luke border height is at least 600 mm above the working deck open places and at least 300 mm above the superstructure deck. 57. in determining the thickness of wooden hatch covers, made for a reserve for the wear that occurs during operation. Provides the final thickness of the cover at least four millimeters for the distance between the cover support points every 100 mm, but not less than 40 mm. Door support surfaces is at least 65 mm. 58. Methods, which provide a wooden hatch cover watertight integrity, consistent with the inspection. On the new ships wooden hatch cover watertight integrity is guaranteed in accordance with the requirements of the 1966 International Convention on load lines mark and its 1988 Protocol (hereinafter referred to as the LL Convention, 66), 14 and 15 of annex I.. 4.5. Luke with the lids of the other 59. Luke border height is determined according to the provisions of paragraph 56. If there is a positive life experience and confirm the inspection, border height can be reduced or the borders may be, if this does not impair the safety of the ship. In this case, here is a small opening, and cover fixed with hinges reinforced or with any equivalent feature. Provides for the possibility of the hatch quickly close and nail down the boards. 60. strength calculation assumes that manhole covers are subject to static load uzkraujam load. Load size is determined as follows: 60.1.10.0 kN/m2 ships of 24 metres in length and less;
60.2.17.0 kN/m2 ships of 100 metres or more. 61. vessels with a length between these limits, the load shall be determined by linear interpolation. Inspection permit to reduce these pressures, but they must not be less than 75% of the listed sizes here, located on the deck of the body more than 0.25 L on the back of the bow perpendicular. 62. If the manhole covers made of thickness of mild steel, in accordance with the provisions of the 60 calculated maximum voltage multiplied by the resistance of the material, do not exceed 4.25. With this load does not exceed 0.0028 deformation of the cover from a distance between cover point. 63. If the manhole covers are made of thickness of mild steel, ensure that their strength would be the equivalent of the thickness of mild steel made cover and ensure the integrity of the design of the water tightness of the rules referred to in paragraph 60 of the loads. 64. The hatch covers fitted with Lam and seal, providing splashes of tightness, or with other equivalent certified equipment. 4.6. The engine room vents 65. Machinery space openings shall be fitted with a windscreen which borders and the integrity of the match after the bodies. Direct entrance openings shall be fitted with this rule 4.3 subdivision requirements of door. 66. the openings that are not designed for the entrance, fitted with lids, whose strength is equal to the strength of the structure and to its attached stationary and is impermeable to water seal. 67. all openings and body of work decks (except cargo hatches, the engine room vents, manholes and deck scuttles) protected by a closed restrictive construction, which equipped with splash-proof door, or equivalent. Down are placed as close as possible to a Diametral plane of the vessel. 4.7. Fans for new 68. vessels of 45 metres in length and above, a fan (if not the engine room fans) channel border height 900 mm to ensure at least a job board and at least 760 mm on the superstructure deck. On vessels of less than 45 metres, the height of the border provide at least 760 mm respectively and 450 mm. Engine fan (if they are intended for continuous engine room ventilation and, if necessary, immediate generator room for ventilation) open height above the deck meets the rules requirements of paragraph 70. Where the size of the vessel and equipment because it is not enforceable, admissible less height, but in all cases it must not be less than 900 mm above the working deck or swap the deck provided that the watertight closing appliances in accordance with the provisions of paragraph 69 in combination with other measures to ensure continuous and adequate ventilation in these facilities. 69. Ensure that ventilation channel strength would be the equivalent of the borders surrounding the design strength. Channels are built in a sprayproof and weathertight manner fitting with fixed to the channel or the conclusion of the design attached. If the ventilation channel altitudes exceeding 900 mm border, particularly strengthened. 70. For vessels of 45 metres in length and higher if the ventilation channel border is higher than 4.5 metres above the working deck of 2.3 meters or higher above the superstructure deck, sealing features are not required, if the maritime administration has not adopted special requirements. On vessels of less than 45 metres in length, the sealing means are not required ventilation channels that border above about 3.4 meters above the working deck and the top of 1.7 metres above the superstructure deck. If the inspection is convinced that it is unlikely the water entering the vessel through the engine room fans, these fan channels can be without a conclusion. 4.8 air tubes 71. If the cargo hold and zemklāj the empty volume of the air pipes are displayed above the working deck or a superstructure deck, pipe in the open part of the endurance event is equivalent to the surrounding structure and equipped with adequate protection. Openings of air pipes shall be provided with means of closing that are mounted to the stationary tube or surrounding structures. 72. air pipe height above the deck (places where water may penetrate inside the vessel) provides at least 760 mm on the working deck and at least 450 mm on the superstructure deck. 4.9. the means of Measuring 73. Solas, chapter II-1-part 1 of 3-1. the requirements of the provisions of the appropriate means of measurement set: 73.1. the catchment compartments is not readily available for viewing during the voyage;

73.2. all cargo tanks and koferdamo. 74. If the measuring pipe installed, the upper ends of the output, if possible, to easily accessible place above the working deck. Pipe openings shall be fitted with a fixed conclusion. attached Measuring tubes that are not displayed above the working deck shall be provided with an automatic pašaizvēršan device. 4.10. the Porthole Windows and sidescuttles to spaces below 75. job board and in disused structures on this deck shall be fitted with watertight storm cover. 76. The front Windows of the superstructure other levels provide at least two strong enough to storm covers each window type whose thickness is at least 5.0 mm if they are of steel, or 7.5 mm, if they are from aluminium. Maximum single storm cover each window. Provides the ability to easily and securely seal the damaged Windows with storm covers on the outside. 77. the lower edge of the window is at least 500 mm above the deepest operating waterline. 78. Lower than 1000 mm above the deepest operating waterline to open not only fitting type scuttles. 79. Uses only certified design portholes, glass and storm covers. 80. The wheelhouse window made of toughened glass. Its thickness is determined according to the SOLAS Convention, chapter II-1.-1.-1. the provisions of part 3. 81. the portholes and Windows without deadlights inspection authorization to use the deck over the side and the rear of the structure, if the body is on a job board or above it and this does not reduce safety. On the new ships comply with the SOLAS Convention, chapter II-1.-1.-1. the provisions of part 3. 4.11. the bilge Suctions and 82. external gutter through the shell plating (both of the rooms below the working deck and the superstructure and deck in disused home on a job board that is equipped with this provision the requirements of subchapter 4.2 door) be equipped with a means of preventing water from entering the housing. Each drains shall be equipped with an automatic valve permanently with the conclusion of the transmission from the forced easily available. The valve is not required if the inspection finds that water inlet through the drain cannot be dangerous and drain pipe thickness is sufficient. The conclusion of the RAM valve shall be fitted with an indicator showing whether the valve is open or closed. 83. all the inlet or exhaust openings in the hull below the waterline is equipped with a shut-off valve that is easily accessible in an emergency. Set the indicator, which indicates whether the valves are open for boarding or closed. 84. the valves and to strengthen the external cladding parts made of steel, bronze or other certified, flexible material. All the pipes between the outer lining and valves are of steel. 4.12. Water gate 85. minimum water gate in the Bulwark area is not less than 10% of the total area in square metres of the bulwark. 86. In the order calculated water gate area increases, if the inspection finds that Board sedlveid deflection is not sufficient to ensure that the deck is quickly and effectively released from water. 87. The water gate in the bulwark of the place so as to ensure that the Board quickly and efficiently dispose of the water. Water gate in the lower edge is as close as possible to the deck. 88. Barricades and equipment sited so as not to reduce the water gate performance. Nožogojumo provides a constructive outlet to a working state they do not interfere with water leakage. 89. Water gate with a height greater than 300 mm, be fitted with a grid or other protective equipment. The distance between the bars of the grid is not less than 150 mm and not more than 230 mm. If you installed the water gate closes, it must be certified. 90. vessels intended for navigation in areas where it is possible to ice storm, the water gate and close the grid is easy to remove, to limit their blockage indication with ice. Open and remove the protective way coordinated with the inspection. 4.13. Anchor and mooring equipment 91. Every ship shall be provided with a quick and secure to anchor equipment designed, consisting of anchors, enkurķēd or steel wire ropes, aizturmehānism and anchor windlasses or other equipment that provides the anchor lowering, lifting and holding the vessel to anchor all foreseeable operating conditions. Each vessel shall be equipped with adequate mooring equipment for the safe berthing of the ship under any operating conditions. Anchor and mooring equipment meet the SOLAS Convention, chapter II-1.-1.-1. the provisions of part 3. 4.14. Draught scales 92. All vessels both fore and aft fitted with draught scales (Section-One decimetre) on both sides. 93. Draught scales as close as possible to the bow and stern of the perpendicular. 5. Stability and seaworthiness 5.1. General stability criteria 94. Vessels designed and constructed in such a way that all the stability criteria be fulfilled in terms of load cases. Righting curves (static stability charts) estimate approved by the Inspectorate. 95. Ensure compliance with such stability criteria (if not impeded the operation experience of the fight that inspections permitted derogations from them): 95.1. the area under the righting lever curve (GZ curve) shall not be less than 0.55 m × creates heeling in the range of 0 ° to 30 ° and not less than 0.09 m × creates heeling in the range of 0 ° to 40 °, or the angle of flooding θf if it is less than 40 °. Accordingly, the area under the righting lever curve (GZ curve) shall not be less than 0.03 m × creates side-in the range of 30 ° weighing up to 40 ° or between 30 ° and the angle of flooding θf if it is less than 40 °. Flooding the angle of heel θf are the angle when through the openings in the hull, superstructure or deck houses which cannot be quickly close an impervious, started a small quantity of the water and the vessel began to sink. Small openings through which large quantities of water can not flow into the hull, are not considered to be open;
95.2. righting GZ with bank angle, equal to 30 ° or more, not less than 200 mm; 95.3. righting GZMAX reaches the maximum value, where the angle of heel not less than 30 °. In this case a reasonable angle not less than 25 °;
95.4. the vessel initial metacentric height corrected for the GM shall not be less than 150 mm. 96. If the yaw amplitude reduction used different equipment than cumin wedges, inspection will ensure that compliance with the rules referred to in paragraph 95 of the stability criteria provided in all the loading times. 97. the various impacts (for example, sānvējš ships with a large silhouette of the ship, the ship above water parts icing, water trapped on deck, the yaw parameter, līdzskrejoš waves), which significantly affect the stability, respect the calculations. 98. Stability is sufficient at all stages of the voyage, when additional load piemirkšan and icing, as well as load reduction of the fuel consumption of the item. 99. If a ship carrying oil products in bulk form, make sure that the inspection rules referred to in paragraph 95 of the stability criteria are saved in the entire loading and balastēšan operations. 5.2 weather criteria (strong Crosswinds and zvalstīb total effects) 100. ability to withstand strong gusts and crosswinds of simultaneous exposure test zvalstīb, slogoj of the ship with a dynamically applied wind heeling moment, taking into account the amplitude of zvalstīb (surges heeling angle). The stability criterion is satisfactory in this case must demonstrate that the worst of the wind pressure load of the dynamic heeling moment of the MW job, taking into account the amplitude yaw (1. drawing area "a"), is equal to or less than the righting moment of the work (area "b" under the righting lever curve). This condition shall be considered satisfied if: CWr = area "b" must be not less than 1 (> 1).
  area "a" 101. the test for Resistance to wind and at the same time zvalstīb effect is carried out in the following order: 101.1. the ship exposed to constant wind pressure perpendicular to the plane of the vessel being diametrically opposed, the result is permanent heeling moment in MW1 with shoulder of 101.2 heeling angle θO standing wave effects resulted in the vessel to the weighted against the wind (heeling angle θ1). The constant wind generated heeling angle θO is such that the resulting angle of heel (θO + θ1) would not be excessive. Therefore angle θO value limited to 16 ° or 80% of the angle at which the deck edge entering the water (whichever is less);
101.3. when tilted, the ship is exposed to the wind pressure resulting in wind gusts a tilting moment MW2 with shoulder 101.4. in those circumstances, the Reed area chart "b" is equal to the area of the "a" or higher on it (Figure 1); 101.5. you draw a Reed, should be taken into account in the chart of liquid cargo free surface correction.

The drawing shows the angles are defined as follows:-heeling angle θO from constant wind effects;
θl-tip the angle opposite to the direction of wave action;
the angle θ2-flooding (θf), 50 ° or less θC, whichever;
θC-Reed and tilt the shoulder angle the second intersection lw2.
Addressing this challenge, it is assumed that the wind heeling moment lw1 and lw2 shoulders is constant for all bank angle and can be calculated as follows: p = 504 [CN × m-2]-wind pressure. Ships sailing in maritime areas, limited p value can be reduced by agreement with the maritime administration;

(A)-part of the vessel above the waterline in the Diametral plane of the projection area and deck cargo area in the Diametral plane of the projection (skyline square) [m2];
z-vertical distance from the Centre of A square to the underwater parts of the Centre of the projection in the Diametral plane or to a point on the pusiegrim [m];
h-the vertical distance from the Centre of A square to the waterline [m];
Δ-ship displacement [t];
g = 9.81 [m × s-2].
Zvalstīb angle θl is calculated as follows: X-factor given in table 1;
X-factor given in table 2;
k-factor, which has the following values: k = 0.1-ships with rounded caraway, cumin and who do not have a squared wedge, k = 0.7-ships with the square of the cumin fine, k-ships with Cumin wedge or wedges, or squared the two time values of the coefficient given in table 3;
r = 0.73 ± 0.6 × d, where BERRY-BERRY/the distance between the Centre and the waterline [m] (the "+" sign, if the Centre is above the waterline, the "-" sign if it is below the waterline);
d-average draught [m];
S-factor given in table 4 (ships, equipped with zvalstīb pacifier, angle calculated by assuming that they do not work) table 1 table 2 table 3 table 4 coefficient coefficient coefficient k X 2 X 1 factor S B-d X 1 X 2 x 100 CB OH — — — —-L × B k T S 20 1.3.5 0.80 0.035 3.2 0.86 3.3 0.84 3.4 0.82 > Starpvienīb, 2, 3, and 4 in the table shall be determined by linear interpolation. Zvalstīb period C-ship's inertia factor [m-½ × s];
C = 0.023 0.373 + × (B/d)-0.043 × (L/100) [m-½ × s].
Formulas and tables use the following notation: L-length of the vessel waterline level [m];
B-width of the vessel [m];
d-average draught [m];
CB-displacement fullness factor;
OH-the total area of the zvalstķīļ or brusķīļ field, or both in amount [m2];
Metacentric height GM-(corrected to take account of the free surface effects) [m]. 5.3. Liquid cargo free surface effect on ship's stability for All load cases 102. initial metacentric height and the curve of righting lever (the static stability diagram) is adjusted, taking into account the liquid cargo free surface effect. 103. Free surface effects to be taken into account when the cargo tank filling level is less than 98% of full State. Free surface effect is not taken into account the nominal full cargo tanks when the filling level is 98% or more. The free-surface effects of small cargo tanks shall not be taken into account if these provisions are in force, paragraph 111. 104. the cargo tanks, which are taken into account in calculating the free surface corrections are the following categories: 104.1. the cargo hold with a fixed tank level (for example, liquid cargo, ballast water). Free surface correction is calculated for the filling level real in each cargo tank;
104.2. cargo tank with a variable level of filling (for example, use liquid-fuel, diesel and water, as well as the sweet liquid cargo and ballast water is the fluid transfer operations). Free surface adjustment is the maximum attainable value between prospective filling limits for each cargo tank according to instructions for any operation. 105. The calculation of free-surface effects of the cargo tanks containing liquids are used, it is assumed that each type of liquid at least one pair of cargo holds or pass through a separate Center for cargo holds is a free surface and the cargo tank or cargo hold in the calculation is the combination with the free surface effect is greatest. 106. when water ballast (also the appeasement of tanks and zvalstīb heel buffer load facilities) are filled or emptied during the expedition, the free surface effect is calculated, taking into account all those adverse occurrences in the operation. 107. a ship carrying liquid cargo free surface correction resulting in any liquid stage of freight is calculated according to the level of the filling on each carriage of the cargo holds in this stage. 108. The initial metacentric height and the curve of righting lever (the static stability diagram) adjustment is examined separately by the following: 108.1. calculating the initial metacentric height adjustment, liquid cargo free surface area moment of inertia against the central axis which is parallel to the plane, said the ship is set 0 ° heeling angle according to the rules referred to in paragraph 104;
108.2. righting curve (the static stability diagram) is adjusted by any of the following methods, in coordination with the inspection: 108.2.1. adjustment is based on the real movement of fluid torque each to the estimated angle of heel;
108.2.2. adjustment based on moment of inertia, set 0 ° heeling angle, and modified for each calculated the angle of heel;
108.2.3. adjustment based on the Mf moments amount to each cargo tank, taking into account this provision in paragraph 111. 109. The adjustment can be calculated according to the provisions of paragraph 104 offered categories (except this rule adjustment referred to in point 108.2.3.). 110. The ship's stability information indicates the method that you choose the righting lever curves (static resistance chart). However, if an alternative method is described for use in manual calculation of the loading cases, the variation between the results obtained and an explanation, as well as examples of the adjustment method for each alternative includes the ship's stability information. 111. The cargo tanks MFS value calculation uses the formula: = v × b × Mfis ρ × k × √ δ, which MFS-free surface moment for any heel [t × m];
v-cargo tanks the total volume [m3];
b-cargo holds the largest width [m];
ρ-density of cargo tank content [t/m3];
δ = v/(l × b × h)-cargo holds the fullness factor;
h-the largest cargo hold height [m];
l-cargo tank length [m];
k-table depending on the b/h ratio set by a dimensionless factor. Coefficient "k" values free surface correction calculation using the following table: θ b/h ° 10 15 20 30 40 45 50 60 70 75 80 85 20 10 5 3 0.04 0.07 0.10 0.11 0.11 0.11 0.10 0.10 0.08 0.07 0.06 0.05 0.04 0.07 0.11 0.12 0.12 0.11 0.10 0.10 0.09 0.07 0.05 0.04 0.03 0.02 0.02 0.04 0.07 0.09 0.11 0.11 0.11 0.10 0.09 0.08 0.07 0.11 0.12 0.12 0.12 0.11 0.10 0.09 0.09 0.09 0.05 0.04 0.03 0.02
2 0.01 0.03 0.04 0.06 0.09 0.11 0.11 0.11 0.10 0.09 0.09 0.08 0.07 1.5 0.01 0.02 0.03 0.05 0.07 0.10 0.11 0.11 0.11 0.11 0.10 0.10 0.09 0.01 0.01 0.02 0.03 0.05 0.07 0.09 0.10 0.12 0.13 0.13 0.13 0.13 0.75 0.01 0.01 0.01 0.02 0.02 0.04 0.04 0.05 0.09 0.16 0.18 0.16 0.5 0.00 0.01 0.01 0.02 0.02 0.04 0.04 0.05 0.09 0.16 0.18 0.21 0.23 0.3 0.00 0.00 0.01 0.01 0.01 0.02 0.03 0.06 0.05 1 021
0.03 0.05 0.11 0.19 0.27 0.34 0.2 0.00 0.00 0.00 0.01 0.01 0.01 0.02 0.02 0.04 0.07 0.13 0.27 0.45 0.1 0.00 0.00 0.00 0.00 0.00 0.01 0.01 0.01 0.02 0.04 0.06 0.14 0.53 intermediate values shall be determined by linear interpolation.
Small cargo tanks coefficient "k" value, which corresponds to 30 ° heeling angle adjustment are not included if they meet the following conditions: Mf/∆ min