Safety fences and barriers for highways - Specification for open box beam safety fence (single height)What is BS 6579 5 Open box beam safety barrier about? Safety barriers provide containment for vehicles without significant deflection or deformation under impact. BS 6579 5 discusses safety fences and barriers for highways. BS 6579 5 is the fifth part of the BS 6579 multi series and specifies the requirements for the components to be used in the construction of the open box beam type of safety fence. Requirements are given for the materials and

BS 3551 on the Specification for alloy steel shackles is useful for:

by application of ISO 717-1

as well as bi-directional tidal flows operating at differing tidal levels

defined in BS EN 29454-1:1994

inspection and delivery of aluminium alloy wrought forging stock and cast forging stock

BS ISO 3601-2:2008 specifies the housing (gland) dimensions for class A O-rings for general industrial applications conforming to BS ISO 3601-1

This standard applies to cases where castings are joined by welding by the founder

Together with BS 6349-1-2

and development

Annex C (informative) Colour coding

Intelligence Agencies

1 – Example for a typically test set-up