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Recent Reports

619 Unrestrained stone cladding

A leisure complex completed in the early 2000s has a steel frame with infill panels of block covered with thin stone cladding and a person was injured when a large piece of cladding fell. Local investigation revealed that there were insufficient vertical or horizontal dowels to restrain the cladding.

615 Inadequate bolted connections supporting stairs

When precast concrete stairs are installed, the landings are normally supported using either proprietary telescopic connectors (AKA ‘invisible connections’), or by means of an RSA bolted to the wall. When an RSA is used, the wall is drilled to fix the bolts, whether they be expanding fixings or chemical fixings, and frequently the drilling may hit reinforcement.

Current matters
under consideration


Topics

  • Quality of construction
  • Quality of supervision on site
  • Use of Resident Engineers
  • Fire stopping
  • Gas explosions and robustness
  • Weather damage to buildings

Reports on these subjects are sought, as well as on any other concerns.

 

 

Confidential Reporting

Confidential reporting was developed as ASRS (Aviation Safety Reporting System) by NASA for the Federal Aviation Authority in the USA. This has been operating for over 30 years and as a result of its success similar schemes have been developed in a number of other countries. In the UK this is CHIRP the Confidential Reporting Programme for Aviation and Maritime.

CROSS is the first confidential reporting scheme to deal with structures.

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