ISO 5480-2020 pdf free

04-22-2021 comment

ISO 5480-2020 pdf free.Ships and marine technology —Guardrails for cargo ships.
This document specifies dimensions, materials, quality of manufacture and finish for guardrails andstanchions fitted on exposed freeboard and superstructure decks of cargo ships to prevent personnelfalling 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 contentconstitutes requirements of this document. For dated references,only the edition cited applies.Forundated 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 — General plan
ISO 898-1, Mechanical properties of fasteners made of carbon steel and alloy steel — Part 1: Bolts, screwsand studs with specified property classes —Coarse thread and fine pitch thread
ISO 1461,Hot dip galvanized coatings on fabricated iron and steel articles —Specifications and test methods
For the purposes of this document, the following terms and definitions apply.
The height of the toprails shall be at least 1 000 mm. This dimension shall be measured from thetop of the toprail to the deck at a point vertically below the inner edge of the toprail, or, if the deck has awaterway, to the top of the deck plank or covering next to the waterway (see Figure 1 and Figure 2).
The opening below the lowest course of rails shall be of 230 mm maximum, measured from theunderside of the rail to the deck or flat bar side plate where fitted (see Figure 1 and Figure 2)The opening between the upper courses shall be of 380 mm maximum (see Figure 1).The maximum distance between stanchions shall be 1 500 mm [see Figure 4 a)].Stanchions for guardrails shall be made of steel flat bars of 60 mm x 15 mm, or of flat bars having asection modulus(see ISO 80000-4) at least equal to that of 60 mm x 15 mm flat bars.
Steel toprails shall be made of tubes of minimum 34 mm outside diameter, with a wall thicknessof at least 2,6 mm, or of tubes having at least an equivalent section modulus, and shall be welded tostanchions.Where wooden toprails are required, they shall be 125 mm x 60 mm, made from first qualityteak and free from defects such as wanes,splits and checks.Other hardwoods may be used provided thatthey are at least as suitable in all respects.
Lower rails shall be made of solid round bars of at least 19 mm diameter. As an alternative,tubes of 26,9 mm outside diameter with a wall thickness of at least 2,3 mm, or tubes having at least anequivalent section modulus, may be used. The rails shall be welded to the inside edge of stanchions orpassed through holes in the stanchions and welded in position.ISO 5480 pdf download.

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