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    <title>Transport Research International Documentation (TRID)</title>
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    <copyright>Copyright © 2026. National Academy of Sciences. All rights reserved.</copyright>
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    <managingEditor>tris-trb@nas.edu (Bill McLeod)</managingEditor>
    <webMaster>tris-trb@nas.edu (Bill McLeod)</webMaster>
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      <title>Transport Research International Documentation (TRID)</title>
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      <title>CARGO SECURING AND CARGO SHIFT ON PASSENGER/RO-RO VESSELS</title>
      <link>https://trid.trb.org/View/480178</link>
      <description><![CDATA[Cargo shift has been identified as a major risk and contributing factor to many ro-ro casualties.  As a result it is necessary to include the risk of cargo shift within a new framework for safety of passenger ro-ro vessels as well as developing new requirements for cargo securing in order to reduce the risk of cargo shift to the minimum possible within practicable limits.  On short sea ferry routes, cargo units (vehicles, rail cars etc.) are normally secured considering weather conditions only and no consideration is taken of potential heel caused by unsymmetrical flooding after a collision.  It has been decided in the main project that for the cargo shift, deterministic calculation methods only shall be developed as a first step.  To eliminate the effect of cargo shift in a damaged condition the cargo therefore must be secured to a specified level before the ship leaves port.  This securing level must be applied both to the securing of the cargo units to the ship's deck and to the securing of the cargo inside the cargo units.  It has been proposed to add to SOLAS, deterministic requirements for the securing of cargo in ro-ro passenger ships.  The ship shall have sufficient stability in intact condition also after a total shift of all cargo on board and the cargo, before the ship leaves port, shall be secured for the maximum forces which can be expected during the voyage.  When calculating the forces, static heel caused by damage to be taken into consideration in combination with roll accelerations caused by the maximum expected significant wave height during the voyage.  Investigations have shown that the standard of the securing inside cargo units is very poor, not only in general but also on routes where continuous control of the cargo securing is made.  It is especially remarkable that the securing of dangerous goods in containers has shown deficiencies although a securing declaration must be supplied for units loaded with dangerous goods.  It is therefore obvious that for a total safety assessment and future probabilistic damage stability regulations for ro-ro passenger ships, the risk and effect of cargo shift must be evaluated with probabilistic methods.]]></description>
      <pubDate>Thu, 27 Mar 1997 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/480178</guid>
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      <title>RO-RO CARGO VESSELS. ANNUAL DIRECTORY</title>
      <link>https://trid.trb.org/View/84921</link>
      <description><![CDATA[This annual survey contains statistics of the world fleet of Ro/Ro vessels and vessels on order at the turn of the year. It is available free to subscribers of other Fearnley and Egers Publications.]]></description>
      <pubDate>Wed, 13 Jun 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/84921</guid>
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      <title>WORLD RO-RO CARGO FLEET AS OF JANUARY 1978</title>
      <link>https://trid.trb.org/View/85144</link>
      <description><![CDATA[This survey is compiled by Fearnley & Egers Chartering Co. Oslo, and comprises cargo vessels above 400 g.r.t. where the cargo is, wholly or mainly, roll-on/off through large fore/aft doors but excluding car carriers.  The main types appearing in the tables are classified as: 1.  excluding types 3 & 4); 2. Overseas Carriers, (Ro-Ro vessels of 10,000 g.r.t. and over, excluding types 3 & 4); 3. Car Carriers, (Ro-Ro vessels with bow, stern and/or side doors for the carriage of new cars excluding car/bulk carriers); 4. Passenger/Cargo Ro-Ro Vessels, (vessels especially built for Ro-Ro cargo, but with accommodation for between 12 and 100 passengers (drivers).  It is emphasised that the report is only concerned with vessels for carrying cargo.  Thus, car/passenger ferries are excluded and also bulk carriers with removable car decks.  Table 1 shows Ro-Ro cargo vessels in operation and on order January 1978.  Table 2 shows Ro-Ro cargo vessels in operation January 1978 by country or registry.  Table 4 gives Ro-Ro vessels on order January 1978 by year of delivery.]]></description>
      <pubDate>Wed, 28 Mar 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/85144</guid>
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    <item>
      <title>RORO WORLDWIDE GUIDE (YEAR). ANNUAL DIRECTORY</title>
      <link>https://trid.trb.org/View/78864</link>
      <description><![CDATA[The 1978 Guide is the second edition of this publication that provides information on routes and services available for roll-on/roll-off cargo shipment.  Ports are arranged alphabetically by country so that users can extract comparative information on a series of ports within a particular country.  There is a section on major operator fleet details, including lane lengths, ramp and axle limitations, and container, car, trailer, driver and passenger capacities for each vessel.  Also provided is a separate alphabetical listing of agents by port and country within world operating zones.]]></description>
      <pubDate>Wed, 14 Mar 1979 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/78864</guid>
    </item>
    <item>
      <title>THE WESTINFORM REGISTER OF RO-RO VESSELS</title>
      <link>https://trid.trb.org/View/48696</link>
      <description><![CDATA[The owner and/or operator of every vessel listed in the Register has been approached in order to obtain the details essential in a Ro-Ro operation.  For example, the total lane length, width and clear height are shown separately for each dock, and at each access point, the location and restrictions as to height, width, and weight on the ramp are shown.  The fleet has also been analysed in terms of flag, size, year, and build distribution.  The main part of this publication is the Register of Vessels which is in alphabetical order by ships' names.  Train Carriers have been distinguished separately (as these constitute a very different type of vessel) as have newbuildings on order. Cross Reference has been provided, grouping vessels in the following ways: in order of Gross Registered Tonnage; under alphabetical order of Owner/Manager; under the Shipyards that constructerd them; under the Manufacturer of the engine installed.  The Register contains over 500 pages of information, including all the standard register details such as draft, DWT, NRT, GRT, Beam, LOA, speed etc.]]></description>
      <pubDate>Fri, 17 Jun 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/48696</guid>
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    <item>
      <title>POLISH PRIDE IN GDANSK'S PROTOTYPE RO-RO VESSEL</title>
      <link>https://trid.trb.org/View/65194</link>
      <description><![CDATA[The "Skulptor Konenkow" is a universal purpose vessel designed to carry all kinds of general cargo in containers, on trailers and pallets, cars, track-laying and heavy equipment such as transformers, boilers and steel constructions.  The vessel has a length oa of 181.4 m, a beam of 28.2 m, a draft (summer) of 9.6 m and is powered by twin zogoda-Sulzer type 16 ZV 40/48 medium speed diesel engines developing 20,800 bhp driving through reduction gearing to a single cp propeller giving a service speed of 20.5 knots.  The tdw varies from 12,290 to 18,460 depending on the type of cargo.]]></description>
      <pubDate>Wed, 16 Feb 1977 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/65194</guid>
    </item>
    <item>
      <title>RO/RO VESSEL DIRECTORY</title>
      <link>https://trid.trb.org/View/36029</link>
      <description><![CDATA[Provides the following information on over 1300 RO/RO vessels using bow, stern or side doors to handle cargo or vehicles: Dimensional and ownership data, access door location, cargo capacities, trading patterns and number of passengers.  There also is a commentary on current operations and market trends of RO/RO vessels that is complemented by an analysis of the flag, age, size and numbers of ships in each class. (No further information in article).]]></description>
      <pubDate>Wed, 21 Jan 1976 00:00:00 GMT</pubDate>
      <guid>https://trid.trb.org/View/36029</guid>
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