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BS ISO 19018-04 Ships and Marine Technology - Terms, Abbreviations, Graphical Symbols and Concepts on Navigation

   This is the official release of the BS ISO 19018-04 standard. The publication is divided into several chapters. The first one defines the scope of the document, the following ones address related normative references and special units applicable to the maritime navigation; the others are as below - Course, heading, track and speed; Bearings; Corrections; Influence of currents and winds; Geographical coordinates, positions, lines, graphical symbols; Waypoint navigation; Terms of time; Astronomical navigation; Depth of water and tides; Terrestrial magnetism; Radar navigation; LORAN-C; Global Positioning System. This team of authors and editors who prepared on this standard, made their best trying to include the maximum possible number of important and relevant abbreviations, maritime terms and graphical systems - they are all frequently used in marine navigation on board vessels. It shall be noted, however, that the abbreviations listed in this paper should not actually be used in math formulae; the symbols that are allowed to be used in formulae are mentioned. The navigation itself if the process of finding the exact position of the ship; it also includes the planning, recording and controlling of how the vessel is moving from one position to another.

Category: ASTM & BS EN STANDARDS | Views: 2327 | | Comments (0)

ASTM F 1754-97 R04 - Standard Guide for Marine Vessel Structural Inspection Considerations
   The present guide developed by ASTM was released to cover the technical information necessary for the development/implementation of the inspection process as applicable to marine ships. The publication will provide required considerations for the people who are interested in making proper structural survey plans for marine ships, and are dealing with planning as well as organizing of the surveys, especially at the design phase of the shipbuilding process. This book may easily be used together with any other regulatory document; however, it may also serve as the technical basis for planning these surveys and their implementation of the survey plans in case no other applicable requirements are available. The standard provides all interested parties, i.e. vessel owners, construction yards, operators and designers with a plan to develop the inspection process covering all phases of the operational life of the ship - such plan may be developed and implemented in concept with Class of Flag State inspections. In addition to that, the guide will be helpful when used as the basis for the development of the CAP (corrective action plan) for typical deviations and/of deficiencies related to the ship's structure. Note that the safety aspects have not been addressed in the document and remain the responsibility of the involved parties.

Category: ASTM & BS EN STANDARDS | Views: 2792 | | Comments (0)

ASTM F 1511-04 - Standard Specification for Mechanical Seals for Shipboard Pump Applications
   The present standard specification ASTM F1511-04 covers the mechanical end-face seals for the positive displacement and centrifugal shipboard pumps. It does not, however, address some types of the seals as follows - oil and lip seals, labyrinth or circumferential types of seals. The values stated within the document are in standard inch-pound units. The SI units have been provided for info only in parentheses. The Appendix S1 to this standard specification contains the special requirements for the United States Navy Shipboard Pump Applications. Within the present document, seals are classified by their type, class and grade. The categories have been divided according to the application arrangement in the equipment in which thee seals are installed. Talking about the materials, the mechanical seals addressed in this standard publication, must be manufactured using the materials selected from the Tables 1-3 of this standard specification, with all parts being subject to review of the pressure/velocity, temperature and corrosion resistance. The publication will be useful for the crew members dealing with the ordering and installation of subject seals as it provides quite clear reference.

Category: ASTM & BS EN STANDARDS | Views: 2090 | | Comments (0)

ASTM F 1455-92 R01 - Standard Guide for Selection of Structural Details for Ship Construction
   The declared principal intention of this standard guide was to depict the recommended practices relating to the design of vessel's structural details. We all clearly understand the huge importance of the structural details - their fabrication and layout play significant role in making the costs for the hull construction, the details may often be the source of various failures like fractures that could easily lead to the damage of the ship's hull; another important aspect of the problem in question is that the analysis of hull structural details have been neglected by the researchers so far. It should also be noted that today's trends towards decreasing the scantlings of the vessel's hull may also increase the potential of the damage happening to the details. Taking into account the noted lack of the analytical and experimental efforts to the research of the problems touching the structural details, the determination in this case was left solely to the designers/draftsmen with little to no input from engineering side. This publication gives a recommended listing of the structural details to be used when constructing the vessel - this listing list includes the details that have already failed in service and are therefore not recommended for any further use.

Category: ASTM & BS EN STANDARDS | Views: 2544 | | Comments (0)

BS 7191 1989 - Weldable Structural Steels for Fixed Offshore Structures
   This standard was prepared under the direction and guidance provided by the Iron and Steel Standards Policy Committee and specifies weldable structural steels for use in construction and in maintenance work tor offshore structures. The standard is adapted from BS 4360. It has been drafted as a procurement specification with the sole intention to be used by te buyers and actually anyone who acts on his behalf to procure materials for offshore structures designed to operate in the European Sector. It specifies a more limited range of steel forms and grades than BS 4360 and provides for enhanced properties in some steel grades in order to reflect the needs of the European offshore industry. It also incorporates a number of options which the purchaser may invoke to meet demanding requirements in particular applications. The editorial style and format of BS 4360 has been utilized. The new grade designations given in appendix H of BS4360 : 1986, and which will be adopted in the next full revision of that standard have been used but with an amended form of sub-grade suffix. The requirements of this standard apply to the offshore structures that have been specifically designed and built for operation in the European sector in general and North Sea, in particular.

Category: ASTM & BS EN STANDARDS | Views: 2822 | | Comments (0)

ASTM F 1182-90 R01 - Standard Specification for Anodes, Sacrificial Zinc Alloy
   The present standard specification ASTM F1145-92 was released to cover all requirements applicable to zinc anodes in the various forms, used for corrosion (cathodic) protection of metals and metal alloys. Such anodes are used to protect surface ships as well as underwater vehicles, various structures made of steel and alloys, inner side of sea chests of the ships and offshore installations, heat exchangers and condensers (the seawater side has to be protected as necessary). Among the matters addressed within this publication, there are the general scope of the document, referenced regulatory papers, classification of the products, ordering information, materials the anodes are made of and manufacture process, chemical composition and mechanical properties of the materials, other applicable requirements, dimensions, mass, and permissible variations of the manufactured anodes, workmanship, finishing and appearance, sampling and specimen preparation, test methods and inspection, certification principles, product marking and packaging, keywords - as you can see, the paper contains all required information to make proper choice and order the anodes for the protection of the ship's hull from corrosion in the seawater.

Category: ASTM & BS EN STANDARDS | Views: 2029 | | Comments (0)

ASTM F 1145-92 - Standard Specification for Turnbuckles, Swaged, Welded, Forged
   As it can be understood from the title of this standard specification, ASTM F1145-92 is dedicated to the turnbuckles. These devices are the loops or sleeves that have been threaded internally to easy assembling with a threaded eyes, hooks, or jaws at each of the ends - they are used where there is a necessity to apply some tension to the wire ropes, rods etc. The document is full of technical details and useful information. Even if you do not intend to use it as the regulatory document, the info provided in the publication will definitely let you better understand the construction of these items, materials they are usually fabricated from, applicable requirements, dimensions of the manufactured products and tolerances that have to be taken into consideration when checking the items, tests that are required in order to ascertain the quality and fitness for use of such equipment etc. A truly invaluable reference source for any person involved in ordering of the turnbuckles, as well as for crew members and even students, taking into account the amount of the technical information presented. The readers who spend some of their time with this paper will get much better idea of the equipment pieces it is dealing with.

Category: ASTM & BS EN STANDARDS | Views: 3182 | | Comments (0)

ASTM F 998-04 - Standard Specification for Centrifugal Pump, Shipboard Use
   This is the official ASTM standard specification no. F998-04 dealing with the centrifugal pumps to be used on board ships/offshore structures. It covers all requirements that would normally apply to their design as well as construction, and addresses three classes of service, namely freshwater, seawater ad hydrocarbon pumps. In the latter case, the pumps less than 1500 are covered. The arrangement of the document is pretty regular for the ASTM standard specifications - it covers all aspects including the nomenclature and terminology, ordering info, materials to be used for manufacturing, general requirements that would apply, design matters, performance requirements, painting, coating, equipment identification plates, testing methods and applicable requirements (including shock and vibration testing), various technical documentation, packaging, storage and preservation of the manufactured equipment, quality assurance principles, reference technical documents and regulations... the publication addresses all possible aspects relating to the production, testing and certification of the centrifugal pumps, starting from the very design phase.

Category: ASTM & BS EN STANDARDS | Views: 2207 | | Comments (0)

BS EN 10079 1993 - Definition of Steel Products
   The present British Standard no. BS EN 10079:1993 fully dedicated to the popular definitions that are applicable to the various steel products, and superseding the previous version BS 6562-1:1986. For Normative references refer to the Annex A & B. Steel in the liquid state ready for pouring and obtained from the melting of raw material. A distinction is made between following: — liquid steel for pouring into ingot moulds or for continuous casting; — liquid steel for castings. Here is the arrangement of this document: scope - normative references - liquid steel - ingots and semi-finished products - flat and long products - other products - steel products and associated standards - references, etc. There is a brief trilingual vocabulary provided - it allows reader to find get the terms translated from English to German and French languages. There is a number of figures for illustration, such as the illustration of typical profile sheet and of typical sandwich panel, typical sheet piling, typical bearing piling, typical mining frame sections, typical heavy sections etc. Apart from that, numerous links have been provided to some other standards. Highly recommended regulatory paper for everyone wishing to have the idea of the European nomenclature of the steel products.

Category: ASTM & BS EN STANDARDS | Views: 3027 | | Comments (0)

ASTM F 1130-99 - Standard Practice for Inspection the Coating System of a Ship
   This standard ASTM practice was prepared and released with the ultimate intention to describe the established regular procedures that are to be taken into consideration when conducting the inspections of the coating systems applied to the vessel's hull and superstructure, decks, tanks and voids, various machinery installed on the open decks, and bottom coating. The authors have also provided a number of standard coating condition reporting forms, and some necessary diagrams supplementing the text data parts, for reporting of the extent of the damage that has occurred to the coating observed during inspection. However, please bear in mind that the procedures mentioned above should only be used by the experienced marine coating inspectors. In addition, this paper contains requirements for the coating inspectors, referenced standards, procedures to be used, form instructions etc. Apart from all that, significant part of this regulatory publication has been dedicated to the corrosion and its classification, fouling of the underwater hull/boottop, as well as examination of corrosion and coating condition assessment, acceptability, measured properties, and recommendations - more or less everything the inspector has be familiar with to be able to assess the actual condition of the coating correctly.

Category: ASTM & BS EN STANDARDS | Views: 2463 | | Comments (0)

BS EN 6349 2000 - Maritime Structures
   This technical code was prepared to address the conditions pertaining to the UK and; note that local conditions may also necessitate some modifications. The reference is actually made to BS not ES due to the most relevant European Standards being in the pre-standard form. The user shall apply some engineering judgement to properly determine if the recommendations of this code shall be followed and, if so, when they shall not. The present code is intended for use by the industry engineers having some basic knowledge of the subject. This standard consists of the several parts, first one is the code of practice for general criteria, followed by design of quay walls, jetties and dolphins - design of drydocks, locks, shipways, shipbuilding berths, shiplifts, dock and lock gates - code of practice design of fendering, mooring systems, dredging and land reclamation - design of inshore moorings, floating structures, and breakwaters. Note that the offshore structures are not covered by this Code. Same applied to the structures in inland waters. Additionally, note that this Code does not provide any guidance on the financial criteria though it is understood that proper economic evaluation shall be made for each project associated with the engineering criteria addressed by this Code.

Category: ASTM & BS EN STANDARDS | Views: 6683 | | Comments (0)

BS EN 10025 2004 - Hot Rolled Products of Structural Steels
   The present BS standard consists of six major parts. The first part is somewhat introductory and it addresses the general technical conditions of delivery; such conditions would normally be applicable to all steels - scope/normative references/terms & definitions/classification & designation/info to be supplied by the buyer/manufacturing process/requirements/ inspection/preparation of samples/test methods/marking, labelling and packaging/complaints/options/evaluation of conformity, while the other parts of the document deal with the TDC for non-alloy steels, normalized rolled and thermomechanical weldable fine grain structural steels, plus steels having improved characteristics of the atmospheric corrosion resistance, and flat products rolled from high yield strength steels in the tempered/quenched condition. In general, this standard was released to specify the requirements for long and flat rolled structural steel products; however, it does not cover tubes and hollow sections. In addition, it is not applicable to steel products intended for general structural applications, and to coated products. The steels dealt with in the present document are to be used in welded/bolted/riveted structures.

Category: ASTM & BS EN STANDARDS | Views: 5107 | | Comments (0)

BS EN 288 1992 - Specification and Approval of Welding Procedures for Metallic Materials
   The WPS referred to in the present British Standard, are required in order to provide a well defined basis for planning of any construction operations that would include welding, as well as for quality control during welding, evaluation of the established weld seams, assessment of the welding connections etc. Welding itself is considered a very special process in the terminology of quality system standards - such standards would usually imply that special processes are to be carried out in full accordance with the written WPS, i.e. welding procedure specifications. Any possible deviations, as well as distortions and other imperfections, can be evaluated by means of the various nondestructive testing (NDT) methods on the newly established weld seam. The special problem is constituted by the metallurgical deviations, because today's level of NDT technology does not allow for the nondestructive evaluation of the mechanical properties - this necessitated the establishment of a completely new set of applicable rules for approval of the WPS prior to the its release to actual production. There are nine parts in this standard, covering the general rules applicable to fusion welding, welding of the aluminum and aluminum alloys, WPS for arc welding, various welding procedure tests applicable approval of the standard WPS, pipeline welding, offshore applications etc.​

Category: ASTM & BS EN STANDARDS | Views: 3363 | | Comments (0)

ASTM F 765-93 R98 - Standard Specification for Wildcats, Ship Anchor Chain
   The specification that we are presenting to your attention today addresses the wildcats that are currently utilized in windlasses for hauling in and paying out the anchor chains on board marine vessels and offshore facilities. When ship has been anchored, or anchor has been housed, the chain stopper is used to secure the anchor chain. The wildcats that are referred to in the present standard specification by ASTM are of the five whelp type and shall to be used with stud link chains conforming to the ABS Grades 1, 2 and 3. The dimensions of these wildcats have been provided for the anchor chains in integral three-millimeter steps, ranging in size from 19 to 104 mm. The dimensions in intermediate steps (1.5 mm) have not been provided in this paper; however, the use of the wildcats of such sizes is also permitted within the scope of the present regulatory document. The material arrangement in the standard specification is as follows: scope - referenced documents - classification - description of terms - ordering information - materials and manufacture - dimensions - workmanship, finish, and appearance - test methods - inspection - marking - packaging - keywords. As it is the case with all ASTM publications, full coverage of all technical aspects makes the publication practical and useful.

Category: ASTM & BS EN STANDARDS | Views: 2094 | | Comments (0)

BS 6072 1981 - Magnetic Particle Flaw Detection
   The classic British Standard related to one of the most reliable and popular methods of nondestructive evaluation. The chapters making this document introduce the reader to the magnetic particle flaw detection, define the scope and provide the references and basic definitions, address the equipment used during the inspection, detecting media, all associated procedures (preparation, magnetization, current flow/threading bar or cable/rigid coil techniques, flexible cable technique, magnetic flow, induced current flow techniques, viewing and recording of indications, proper reporting, demagnetization and, finally, cleaning. The Appendixes at the end of the publication provide some necessary supplementary data. In fact, the application of this method of nondestructive evaluation has already been described within several BS standards over the past years and it was considered necessary to prepare a separate basic standard that would address this particular method. And this is how the present BS 6072 standard has been developed and subsequently released - it provides people with a very detailed info on this method; however, we have to mention that some slight variation in the regular technique might be required for a number of particular applications.

Category: ASTM & BS EN STANDARDS | Views: 2866 | | Comments (0)

ASTM F 722-82 R98 - Standard Specification for Welded Joints for Shipboard Piping Systems
   This standard specification no. F722-82 was first released in 1982 and then got reapproved in 1998 - it covers all typical details of the welded joints that are nowadays in common use when constructing various piping systems on board ships. Such joints may be utilized provided that the WP (welding procedures) proposed for use, were qualified as per the applicable regulations and/or rules. The publication consists of five parts - the first part defines the scope of the document, while the second part provides the list of referenced documents. The third part provides information on the application, service, limitations, and list of weld joint details. The fourth part of the document explains piping classifications and butt weld reinforcements. The last part of the paper contains keywords. there are several tables in the document providing necessary data, e.g. maximum but weld reinforcement, and figures for better illustration o the technical information, such as the cross-section of the butt joint, etc. An excellent technical reference for welders and welding engineers, designers and inspectors. You will not only find the requirements to the welding but will also get some minimum knowledge of the basics.

Category: ASTM & BS EN STANDARDS | Views: 1910 | | Comments (0)

BS EN 10020 2000 - Definition and Classification of Grades of Steel
   Quite clear, this British Standard deals with the classification and definition of steel grades. It was prepared by Technical Committee ECISS/TC6 and replaces the standard EN 10020:1988 which is now considered obsolete. The document consists of the four chapters - scope - term and definition - classification by chemical composition - classification of main quality classes. ​The first two parts provide some standard definitions that are in use by BS EN. The part dealing with the chemical composition tells readers about the alloy contents, definition of alloy classes, stainless and non-alloy steels, as well as of the other alloy steels. The last part describes the non-alloy quality and special steels, stainless steels, other alloy steels and allow quality and special steels from the classification viewpoint. The table in the booklet describes boundary between alloy and non-alloy steels (specified elements vs limit values). Another table is dedicated to the weldable fine grained alloy steels. The standard takes into account all latest developments in the iron and steel industry as well as recent progress in EU standardization so will definitely be useful and practical.

Category: ASTM & BS EN STANDARDS | Views: 3480 | | Comments (0)

BS 2853 1957 - The Design and Testing of Steel Overhead Runway Beams
   This standard provides necessary requirements to runway beams constructed using the rolled steel sections. Suitability of some other materials might be considered, but the designed must note the particular mechanical properties of the materials proposed for use. It shall be underlined that the main obligation of the tester is to get the actual runway tested as necessary; under no circumstances shall he himself that the structures and associated supports seem suitable for all loads they will be take. Sometimes, cases this may not be practicable; it will then be the responsibility of the purchaser, in consultation with the competent person, to satisfy the tester that the structure is suitable. The runway beams, i.e. constructions on which trolleys move, shall be of suitable size and adequate stress - they shall also have an even running surface. The beams shall be adequately supported/suspended and, of course, they shall be capable of being duly maintained. When calculating stresses in the beams, the lifted load shall be taken into account as necessary, along with the weight of the beam and of the lifting appliance, force on the hand chain, and any other loads that are superimposed...

Category: ASTM & BS EN STANDARDS | Views: 4378 | | Comments (0)

ASTM F 1756-97a - Standard Guide for Implementation of a Fleet Management System Network
   This official ASTM guide is released to provide the industry professionals with a good overview and guidance for the proper selection and further implementation of the FMS by ship operators and owners. The abbreviation FMS stands for the Fleet Management Systems. Such system is mission critical 24x265 and is generally a computer system consisting of one or more LITP and one or more SITP, which are the land-based and shipboard information technology platforms, correspondingly. The SITP enables multiple computers on board the ship to share the data and to communicate with the other ships or with the shore base. The SITP itself consists of several components, such as the hardware, software, data repository, procedures providing the ability to store and transfer data. It is not the actual intention of the authors of this document to deal with all requirements that are applicable to SITP, forming a path for the data for the direct controlling of the operations and conditions of ships or their systems. It shall be possible for all navigation equipment belonging to the Navigational Equipment Bus to be able to operate and display all essential data , being totally independent of the FMS. Same applies to the units resident on the Control, Monitoring and Alarm Bus. All values in this document are in SI units.

Category: ASTM & BS EN STANDARDS | Views: 1759 | | Comments (0)

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