ISO 7236 pdf download

ISO 7236 pdf download

ISO 7236 pdf download Ships and marine technology — Inland navigation vessels — Mounting attachments for demountable signal masts for push-tows
This International Standard applies to mounting attachments for demountable masts with an integralmast lower part for the placing of lights on push barges. lt specifies construction, dimensions,manufacture, arrangement, and means of attachment.
2Normative references
The following referenced documents are indispensable for the application of this document. For datedreferences, only the edition cited applies. For undated references, the latest edition of the referenced
document(including any amendments) applies.
ISO 2768-1, General tolerances — Part 1: Tolerances for linear and angular dimensions without individualtolerance indications
EN 10025-2, Hot rolled products of structural steels — Part 2: Technical delivery conditions for non-alloystructural steels
3 Terms and definitions
For the purposes of this document, the following terms and definitions apply.
mounting attachment
device comprising of a mast stand and mast clamp which are arranged on the barge in such a way thatthey can maintain a signal mast in the specified position
mast standdevice fixed to the deck which accepts the lower part of the signal mast and secures it against rotationabout the vertical mast axis
mast clampdevice which secures the top of the lower portion of the signal mast
mast lower partower part ofthe signal mast which is inserted into the mounting attachment
General tolerances:ISO 2768:- c
The requirements relate to construction, dimensions, design, arrangement, and means of attachment
4.1 Dimensions
The mounting attachment is not expected to conform to the design illustrated in this International Standard; compliance is only required in the case of the dimensions specified.
4.2 Mast stand
4.3 Mast clamp
The clamp is shown to be attached using screws and nuts/wing nuts. Any equivalent means of attachment is permitted provided that the mast is held securely.
Only captive screws, nuts, or wing nuts shall be used.
4.4 Mounting attachment
The mounting attachment consists of the mast stand and a mast clamp. The mast stand shall be positioned so that the signal mast bearing pins are precisely aligned parallel to the longitudinal and transverse axes of the vessel. In addition, the mast stand and mast clamp shall be arranged in such a way that axis of the lower part of the signal mast is perpendicular to the design waterline plane. The arrangement illustrated in Figure 3 is an example of this.

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