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By: bridgeparapets  15/11/2011
Keywords: Driving instructor, driving instruction, approved driving instructor

This is the European Code for all types of road restraint Safety Barriers Bridge Parapets Crash Cushions Arrester Beds Terminals and Transitions Pedestrian Parapets Pedestrian Guardrails Bridge-Parapets Ltd. 100 & 200 Series Vehicle Restraint systems fully comply with EN 1317. EN 1317 is a performance Specification which lays down requirements for vehicle containment and redirection. The restraint containment level is decided by passing two specified tests in achieving either Normal (N1 or N2), High (H1 H2 H3 ) or Very High Containment (H4a H4b). The UK Highways Agency specifies Normal Containment (N2) for its Trunk Road and Motorway system. This standard also addresses passenger safety by the measurement of “Impact Severity Levels”. It is no longer acceptable just to contain and redirect an errant vehicle – it must now be achieve with a limit on the “damage” to passengers. Thus it is not just a matter of strength but a combination of factors in design to achieve containment and increase safety for passengers. Engineers can easily design for containment by increasing structural capability of the restraint but this generally leads to a stiffer system and higher impact severity levels for the passenger. A fine line exists between the right strength and the correct level of energy absorption – which has been proved in many such tests. Today road restraint systems are specified as a combination of containment level and working width i.e. N2 – W4 . The “Working Width” is basically the dimension taken at test to determine the amount of deformation of the system which must be compatible with the available space or distance behind it i.e. to allow for lighting columns, bridge-abutments, etc. The BPL 100 series aluminium parapet system was the first system, in 2002, to achieve a Normal Containment N2 specification, with a working width of W4 .We have since strived to add to our product list and in 2006 qualified with the BPL 200 series aluminium parapet system tested to satisfy N2 – W3 – C of EN 1317 parts 1 & 2 .The major difference in our latest testing was the use of a modern vehicle on a 450mm wide plinth.

Keywords: Aluminium Fabrication, Aluminium Parapets, approved driving instructor, Bridge Parapets, driving instruction, Driving instructor, Highway Guardrails, Pedestrain Guardrails, Steel parapets, Wind barrier,

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15/11/2011

Products

ALUMINIUM VEHICLE PARAPET SYSTEMS Click above for images and full system specification Quick Links BPL 100 Systems (N1 & N2)


Guardrails Can Protect You against Dangerous Accidents from bridgeparapets thumbnail
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Guardrails Can Protect You against Dangerous Accidents

As there are many locations and situations that call for the use of guardrails and parapets, there are just as many different types of these devices being used around the world. A guardrail is also a complex system made out of different components, and are of various types like pedestrian guardrail and highway guardrails, all are designed to provide utmost protection if the unfortunate were to happen. Being that these systems are used mostly as safety devices, there are organizations and b


Guardrails Can Protect You against Dangerous Accidents from bridgeparapets thumbnail
15/11/2011

Guardrails Can Protect You against Dangerous Accidents

As there are many locations and situations that call for the use of guardrails and parapets, there are just as many different types of these devices being used around the world. A guardrail is also a complex system made out of different components, and are of various types like pedestrian guardrail and highway guardrails, all are designed to provide utmost protection if the unfortunate were to happen. Being that these systems are used mostly as safety devices, there are organizations and b