ISO 13799:2012
(Main)Ships and marine technology — Ship's mooring and towing fittings — Recessed bitts (Casting type)
Ships and marine technology — Ship's mooring and towing fittings — Recessed bitts (Casting type)
This International Standard specifies the design, size and technical requirements for casting type recessed bitts to meet normal towing requirements.
Navires et technologie maritime — Corps-morts et ferrures de remorquage de navires — Bittes d'amarrage encastrées (type moulage)
General Information
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Standards Content (Sample)
INTERNATIONAL ISO
STANDARD 13799
First edition
2012-07-01
Ships and marine technology — Ship’s
mooring and towing fittings — Recessed
bitts (Casting type)
Navires et technologie maritime — Corps-morts et ferrures de
remorquage de navires — Bittes d’amarrage encastrées (type moulage)
Reference number
ISO 13799:2012(E)
©
ISO 2012
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ISO 13799:2012(E)
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ii © ISO 2012 – All rights reserved
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ISO 13799:2012(E)
Contents Page
Foreword .iv
Introduction . v
1 Scope . 1
2 Normative references . 1
3 Terms and definitions . 1
4 Classification . 1
4.1 Type . 1
4.2 Nominal sizes . 1
5 Dimensions . 1
6 Materials . 2
7 Construction . 2
8 Manufacturing and inspection . 2
9 Marking . 2
Annex A (informative) Basis for strength assessment of recessed bitts (Casting type) . 5
Bibliography . 7
© ISO 2012 – All rights reserved iii
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ISO 13799:2012(E)
Foreword
ISO (the International Organization for Standardization) is a worldwide federation of national standards bodies
(ISO member bodies). The work of preparing International Standards is normally carried out through ISO
technical committees. Each member body interested in a subject for which a technical committee has been
established has the right to be represented on that committee. International organizations, governmental and
non-governmental, in liaison with ISO, also take part in the work. ISO collaborates closely with the International
Electrotechnical Commission (IEC) on all matters of electrotechnical standardization.
International Standards are drafted in accordance with the rules given in the ISO/IEC Directives, Part 2.
The main task of technical committees is to prepare International Standards. Draft International Standards
adopted by the technical committees are circulated to the member bodies for voting. Publication as an
International Standard requires approval by at least 75 % of the member bodies casting a vote.
Attention is drawn to the possibility that some of the elements of this document may be the subject of patent
rights. ISO shall not be held responsible for identifying any or all such patent rights.
ISO 13799 was prepared by Technical Committee ISO/TC 8, Ships and marine technology, Subcommittee
SC 4, Outfitting and deck machinery.
iv © ISO 2012 – All rights reserved
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ISO 13799:2012(E)
Introduction
The recessed bitt is a type of ship’s towing fitting installed on the side shell of the ship.
The recessed bitts are normally provided to easily attach the towing lines where the height of the mooring
deck is too high.
© ISO 2012 – All rights reserved v
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INTERNATIONAL STANDARD ISO 13799:2012(E)
Ships and marine technology — Ship’s mooring and towing
fittings — Recessed bitts (Casting type)
1 Scope
This International Standard specifies the design, size and technical requirements for casting type recessed
bitts to meet normal towing requirements.
2 Normative references
The following referenced documents are indispensable for the application of this document. For dated
references, only the edition cited applies. For undated references, the latest edition of the referenced document
(including any amendments) applies.
IMO Circular MSC/Circ.1175, Guidance on shipboard towing and mooring equipment
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
3.1
safe working load
SWL
maximum load in kN on the rope that should normally be a
...
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