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Reservations over concrete barriers


I read with interest the debate about the most effective motorway barriers - concrete or steel (NCE 11 July).

David Jones states that concrete barriers require much reduced central reservations.

Can I remind designers, that under the CDM regulations they have to consider future motorway maintenance operations.

The central reservation is currently used to permit the placing of advance signing for lane closures. It also provides somewhere for operatives to stand with some degree of safety when they have walked signs across the carriageway.

Currently advance signing comes in a variety of metal frames that makes it possible to stand and secure them astride or between the steel barrier.

The central reservation also provides a place to store signs when closures are temporarily remove, reducing the number of times signs are carried across the carriageway.

Until the need for such traffic management is removed these practices will continue. I would therefore ask that before vast lengths of concrete barrier are installed, the safety of the contractor is considered.

Width must be provided for the signs, fixing to the barrier needs consideration and barriers need to be low if signs are to be erected on top. Safety is far more important than a barrier that lasts 40 years.

Steve Pate, general manager, Carillion Highway Maintenance, SPate@carillionplc. com

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