CROSS Safety Alert
Failure of cast iron beams
Overview
In 1988 there was a collapse of a cast iron roof beam within a jack arch construction, in a house within a London terrace. SCOSS does not believe that this represents a general problem with cast iron beam construction. However, certain combinations of actions may lead to an unsafe situation that should be investigated by a competent structural engineer.
Note: this Safety Alert was published by SCOSS (Standing Committee on Structural Safety). Since March 2021, SCOSS is integrated under the name Collaborative Reporting for Safer Structures (CROSS).
Who should read this?
Those involved in the repair and restoration of older buildings: architects and designers, structural engineers, builders.
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