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Space plant ship devices and deck mechanisms

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The dangers of power-operated watertight doors

However, in reprinting this pamphlet it has been revised to make it more complete, and to include the charts of ships' section which were developed at the Navy Yard, Philadelphia, Pennsylvania. It is believed, however, that it will be found useful for reference purposes by engineers, draftsmen, inspectors, and others interested in the construction of naval vessels.

The materials developed in the courses of instruction for "in-service" training at the Navy Yards, Mare Island, Philadelphia, and Boston, have been used in the preparation of this book. The Design Division of the Bureau of Ships assisted in compiling and revising the material. In its construction, a ship or vessel, like a building, is started on its foundation and carried through to completion by the fitting and securing of its many parts together to form a designed shape.

However, the nomenclature of the several members of which the ship is composed and the parts and spaces provided in its erection differs from that used for buildings.

When a ship is being constructed, the frames are shown on blueprints and are numbered from the forward toward the stern commencing with the first frame at the bow of the ship. Usually frames on a ship are.

The various units placed aboard ship are located fore and aft, according to a position, relative to a certain distance from the closest frame; up or down relative to a certain distance above or below a particular deck or the base line; and port or starboard relative to a certain distance from the CENTER LINE of the ship.

The following expression is given as an example of ship terms, and shows how a workman would locate himself aboard ship to do a job assigned to him. This construction provides protection against flooding of compartments and possible sinking of the ship should a hole be torn in the outer bottom.

BULKHEADS between compartments and other sections of the ship are made oiltight or watertight to prevent leakage should adjacent compartments be filled with oil or water, respectively. Plates are usually spoken of by weights instead of thicknesses, said weight being the weight for a square foot of plate surface of a given thickness.

Various structural shapes are used for framing and strength members in ships. Some of the shapes shown in cross section are as follow:. There are two types of decks--complete decks and partial decks.

A complete deck is a deck running the full length of the ship and a partial deck is a deck running only part of the length of the ship. Decks are named according to their location above or below the main deck, which is the highest deck extending from stem to stern.

A partial deck above the main deck at the bow is called the "forecastle deck"; at the stern, "poop deck"; admidships, "upper deck.

A partial deck above the main, upper, forecastle, or poop deck and not extending to the side of the ship is called the "superstructure deck. A complete deck below the main deck is called the "second deck. A partial deck above the lowest complete deck and below the main deck is called the "half deck. Decks which for protective purposes are fitted with plating of extra strength and thickness are further defined, for technical purposes, as "protective" and "splinter," in addition to their regular names.

Where there is only one such deck, it is defined as "protective" and where there are two, the lower one is defined as "splinter" in addition to the regular names.

Watertight compartments are specified by letters and numbers. Compartments in each division are numbered beginning at the forward end of each division. The ship is considered as divided into three principle divisions, lettered, A, B, C, from forward aft. Division A. Division B. Division C. The term "machinery compartment" is construed as meaning firerooms, boiler rooms, engine rooms, main motor rooms, main machinery. Where the number of the compartments in the 1 to series exceeds in any principal division, the matter is referred to the Bureau of Ships.

These divisions are considered as extending from the keel to the highest deck in the line of the bulkheads, or the bulkheads prolonged. In case the bulkheads do not extend to the highest deck, any space between decks that extends through two of the principal divisions is numbered as if it were situated entirely in the forward division of the two in which it is placed, and has this number only.

Main compartments with permanent openings to the top side, such as boiler rooms, are considered as completely bounded by tight structure for numbering purposes. All numbers in each division begin at the forward end of that division. Compartments on the starboard side of the ship have odd numbers; those on the port side, even numbers.

All compartments and spaces that are completely bounded by watertight, oiltight, airtight, or fumetight structure are numbered. Where a watertight compartment located below the weather deck is divided into two or more airtight or fumetight spaces by airtight or fumetight bulkheads, the appropriate number is assigned the watertight compartment and each airtight or fumetight subdivision within the compartment is designated by the addition of a suffix to this number.

Thus, if watertight compartment AL contains a fumetight or airtight longitudinal bulkhead, the space to starboard of this bulkhead is designated as AL and the space to port as AL. Oiltight and watertight compartments in each division on the main deck are numbered from to , and those on each successive deck or platform below the main deck are number in the next higher hundred series; namely, those on the second deck are numbered from to ; on the third deck, from to , etc.

Watertight compartments on the next deck or platform above the main deck are numbered to , and those on each successive deck or platform above the main deck are numbered in the next higher hundred series, prefixed with a zero. For example, a ship that has a superstructure, forecastle, main, second and third deck, and a first and second platform, the oiltight and watertight compartments are numbered as follows:.

Upper inner bottom compartments are numbered from to and lower inner bottom compartments are numbered to It will be noted that the prefix zero of a compartment number indicates that the compartment is above the main deck. If there is not a third deck, the compartments on the first and second platforms and in the hold are numbered to , to , and to , respectively. If there is a fourth deck, the compartments on the fourth deck and first and second platforms and hold are to , to , to , and to , respectively.

Compartments in each division with no decks, extending from inner bottom or outside plating through two or more deck spaces, such as those in protective layers, engine rooms, boiler rooms, deep peak tanks, fuel-oil tanks on certain battleships, cargo holds, etc. Boiler and engine rooms are given the lowest numbers, B-1, B-2, B-3, etc. Where there is a half deck owing to the sheer or other cause, or where there is a flat between regular decks, such as cofferdam flat over oil tank, no change in the hundred series in made on account thereof.

The above scheme of numbering is intended to give an indication of the vertical location of the compartment which, in connection with the divisional fore and aft location, will give a very fair idea of the position of the compartment. The number of a compartment is always prefixed with the letter indicating the general division of the ship in which it is placed and separated from the number by a hyphen, as A, B-3, etc.

To define further the contents or main use of a compartment, the compartment number is followed by a designating letter, as follows:. When a space is devoted to several main purposes, two or more designating letters are used.

Thus a living compartment containing a secondary battery guns is designated B B L. Boiler room. Boiler central control station. Boiler emergency station. Engine operating station. Machinery spaces. The number of compartments is shown by means of label plates and tags of two types--engraved and embossed.

Doors, hatches, and manholes are also numbered by means of label plates and tags. The inscription on door, hatch, or manhole plates is combined with that of the compartment or several compartments to which they provide access. Label plates are placed in a conspicuous location where they may be readily seen. Specifications for labelling are described in the pamphlet "General Specifications--Appendix 10" issued by the Bureau of Ships.

The first line of the inscription is the number of the door, the second, the designation of the compartment, and the third, the compartment number to which the door gives access. From the above it will be noted that the door, hatch, or manhole number consists of two or three parts, separated by hyphens.

The first part corresponds to the deck number; the next part, the frame number just forward of the hinge of the door; and the last part, the number of the door, if there is more than one door on the same frame on the deck designated by the first part; if not, the third part may be omitted.

For the first part of their numbers, hatches and manholes take the number of the deck through which they are cut. Odd numbers are used in the third part for doors located on the starboard side and even numbers on the port side. For example:. In the principle living compartments and elsewhere throughout the length of a ship as may be necessary to locate readily a particular place, every fifth frame is numbered in accordance with "General Specifications--Appendix A more definite idea of the various parts of the hull of a ship may be obtained by closely examining a ship model in the Apprentice School or Drafting Room, and the plates at the back of this book.

Stairs slung at the gangway, leading down the vessel's side to a point near the water, for ship access from small boats. A line perpendicular to the base line intersecting the after edge of the stern post at the designed water line.

On submarines or ships having a similar stern, it is a vertical line passing through the point where the designed water line intersects the stern of the ship. A ring-shaped plate coaming surrounding the stack and fitted at the deck just below the umbrella, to protect the deck from heat and to help ventilate the fireroom. A vessel designed to carry aircraft and fitted with a flying deck from which aircraft are launched and on which they land. A floating flying field which usually operates as a unit of a fleet.

An opening in the side or deck house of a vessel, usually round in shape and fitted with a hinged frame in which a thick glass is secured. The purpose of the air port is to provide light and ventilation to and vision from the interior of the ship.

In some instances the air port is also provided with an additional solid metal hinged cover for purposes of protection of the interior should the glass be damaged or to prevent light from showing from within.

In the vicinity of the middle portion of a vessel as distinguished from her ends. The term is used to convey the idea of general locality but not that of definite extent. A heavy iron or steel implement attached to a vessel by means of a rope or chain cable for holding it at rest in the water.

When an anchor is lowered to the bottom, the drag on the cable causes one or more of the prongs, called flukes, to sink into or engage the ground which provides holding power. The large anchors carried in the bow of a vessel. Three are usually carried, two the main bowers in the hawse pipes, or on bill boards, and a third spare lashed on deck or elsewhere about the vessel for use in the event either of the main bowers is lost.

The weight varies with the size and service of the ship. A small anchor used for warping or kedging. It is usually planted from a small boat, the vessel being hauled up toward it. The weight varies, being usually from to 1, pounds. This is not a true anchor, as it does not sink to the bottom.

It is a conical-shaped canvas bag required by the Steamboat Inspection Service to be carried in each lifeboat. When placed overboard it serves a double purpose in keeping the boat head-on into the sea and in spreading a vegetable or animal oil from a container placed inside the bag. It is sometimes called an oil spreader. An anchor weighing from about one-fourth to one-third the weight of the main bowers and used when mooring in a narrow channel or harbor to prevent the vessel's stern from swinging with the current or the tide.

A bar of angle-shaped section used as a stiffener and for attachment of one plate or shape to another. A structural shape having a bulb on one flange of the angle, used as a frame, beam, or stiffener.


Power plant on the ship. Concepts about the power plant. The power plant is a complex of mechanisms, heat exchangers, devices and pipelines that ensure the movement of the vessel, its auxiliary needs ,as well as household needs of the team and passengers. The auxiliary needs of the vessel include: supply of steam and electricity to various auxiliary and deck mechanisms, loading and unloading, heating of residential, service and household appliances and radio stations, lighting of the vessel. Marine power plant — a set of mechanisms installed on the ship used for converting heat energy into mechanical energy by burning fuel for the vessel, cargo operations and other marine needs, for rotating propellers, propellers, paddle wheels.

Marine propulsion is the mechanism or system used to generate thrust to move a ship or boat across water. While paddles and sails are still used on some smaller boats, most modern ships are propelled by mechanical systems consisting of an electric motor or engine turning a propeller , or less frequently, in pump-jets , an impeller.

However, in reprinting this pamphlet it has been revised to make it more complete, and to include the charts of ships' section which were developed at the Navy Yard, Philadelphia, Pennsylvania. It is believed, however, that it will be found useful for reference purposes by engineers, draftsmen, inspectors, and others interested in the construction of naval vessels. The materials developed in the courses of instruction for "in-service" training at the Navy Yards, Mare Island, Philadelphia, and Boston, have been used in the preparation of this book. The Design Division of the Bureau of Ships assisted in compiling and revising the material.


PDF Version [3. Since the outbreak of war the Division of Naval Intelligence has issued a considerable number of publications dealing with the appearance of our own naval vessels, with those of allied and neutral nations and the fleets of our opponents. Written and illustrated by the officers and civilian personnel who have prepared material for 0. Standard Navy Manuals, O. The first section of this publication may be regarded as a primer for thosewhose knowledge of the elements that constitute a fighting fleet is limited. This section describes briefly the functions of the more important combatant types and auxiliaries and their characteristics. It also contains a glossary of common marine terminology and illustrates the salient elements of war- ship design, with their names and common variations. Additional sections of 0. Combatants in the present war have consistantly bombed and shot at their own ships and those of their allies.

Marine propulsion

Officer of the Watch. The majority of the information presented below has been compiled from various sources either from the internet or through personal day to day work experience and is being updated at regular intervals. Please do not hesitate to contact us for any queries or ideas for improvement of the maritime dictionary. Anchor billboard. Anchor stopper.

The source for all or part of the definition of this term was the Massachusetts Architectural Access Board's Draft Regulation published in December The authors wish to thank many helpful people for their contributions to this document.

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NCBI Bookshelf. This chapter focuses on foodborne disease, including disease associated with bottled water and ice. The previous chapter chapter 2 considered disease associated with potable water supplied on board.

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Naval History and Heritage Command

Oh, just look at that large silver globe scientifically packed with plenty of von Braun goodness! We coudda had this back in the fifties, for cryin' out loud! Most of us ugly Americans have never heard of Tintin. Which is pathetic since it is one of the most popular European comics of the 20th century. The characters might look a bit comical but the science is hard enough to bend titanium bars around. Readers in the US might not recognize the Tintin graphic novels, but everybody in Europe has read them. This nuclear powered rocket was quite well researched for the time. The launch site has a breeder reactor used to cook uranium into plutonium for fuel rods.

fect on modern ship propulsion plants. This is reflected Energy saving devices p. Propeller deck of the ship and is typically denot- ed D. The closed ship space, whereas net ton- nage covers draulically activated mechanism to con-.

Ga direct naar Inhoud of Menu. Bij klikken wordt een externe website met een relatieoverzicht geopend op overheid. Poor weather conditions and the relative lack of good charts, communication systems and other navigational aids pose challenges for mariners. The remoteness of the areas makes rescue or clean-up operations difficult and costly.


Ga direct naar Inhoud of Menu. Bij klikken wordt een externe website met een relatieoverzicht geopend op overheid. If questions are raised regarding the content, the original version of the regulatory framework as published through the official channels prevails.


This is where the spacecraft's pilot flies the ship. In fiction it is often the dramatic focus, even though without help from the astrogator, engineer, and ship's captain one will find that the pilot is helpless. Each spacecraft mission is composed of several " maneuvers ".

The following four articles in this issue of Gard News consider the dangers involved in the use of power-operated watertight doors in ships: the risks to personnel passing through these doors and the risks such doors represent to a ship in case of water ingress.

Такие перестановки - стандартный прием. Танкадо знал, что вы испробуете различные варианты, пока не наткнетесь на что-нибудь подходящее. NDAKOTA - слишком простое изменение. - Возможно, - сказал Стратмор, потом нацарапал несколько слов на бумажке и протянул ее Сьюзан.

Naval History and Heritage Command

И все же Сьюзан понимала, что остановить Хейла могут только его представления о чести и честности. Она вспомнила об алгоритме Попрыгунчик. Один раз Грег Хейл уже разрушил планы АНБ. Что мешает ему сделать это еще. Но Танкадо… - размышляла.  - С какой стати такой параноик, как Танкадо, доверился столь ненадежному типу, как Хейл. Сьюзан понимала, что теперь это не имеет никакого значения.

United States Access Board

Ты в опасности. Казалось, она его не слышала. Хейл понимал, что говорит полную ерунду, потому что Стратмор никогда не причинит ей вреда, и она это отлично знает. Хейл вгляделся в темноту, выискивая глазами место, где прятался Стратмор.

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