BS ISO 5480:2020 pdf free
BS ISO 5480:2020 pdf free.Ships and marine technology一Guardrails for cargo ships
This document specifies dimensions, materials, quality of manufacture and finish for guardrails and stanchions fitted on exposed freeboard and superstructure decks of cargo ships to prevent personnel falling overboard or to lower decks. It is not applicable to guardrails fitted near compasses.
The following documents are referred to in the text in such a way that some or all of their content constitutes requirements 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.
ISO 65, Carbon steel tubes suitable for screwing in accordance with ISO 7-1
ISO 887, Plain washers for metric bolts, screws and nuts for general purposes一General plan
ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel一Part 1: Bolts, screws and studs with specified property classes一Coarse thread and fine pitch thread
ISO 1461, Hot dip galvanized coatings on fabricated iron and steel articles一Specifications and test methods
For the purposes of this document, the following terms and definitions apply.
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Stays shall be made of flat bars of 60 mm × 9 mm, or of flat bars having a section modulus at least equal to that of 60 mm × 9 mm flat bars.
The size and/or section modulus of the stays may be reduced if the sum of the section modulus of the actual stanchions and stays at onboard, by using the calculation method given in Annex A, is greater than the sum of the section modulus specified in 5.2 and 5.4.1.
A stay is not needed on every stanchion and shall be fitted depending on the length of the guardrail and the shipboard conditions.BS ISO 5480 pdf free download.
