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Failure of existing long-span wood roof truss following installation of new roof-top HVAC units
Failure of an existing long-span wood roof truss following installation of new roof-top Heating, Ventilating, and Air Conditioning (HVAC) units offers lessons in the special challenges of renovations to existing buildings.
1 September 2020
CROSS Safety Report
Report ID: 949
Region: CROSS-US
Alteration to historic column bases causes settlement issues
Historic timber columns settled and tilted after unauthorised changes were made to their foundation bases.
1 October 2014
CROSS Safety Report
Report ID: 458
Region: CROSS-UK
Removal of internal structure
The roof trusses, 6m above the ground floor, had been left supported on props made by nailing floor joists together; one at each party wall position.
1 July 2006
CROSS Safety Report
Report ID: 46
Region: CROSS-UK
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