Approved Document A contains design standards and guidance for the structural stability and safety of all buildings and provides direction on how not to affect the structural integrity of other buildings. 

Information included covers structural loading, including safe standards for building foundations, disproportionate collapse i.e. a building’s ability to stand in the event of an accident, and ground movement potential, including subsidence.  

The document includes diagrams detailing different areas of construction, including roof frames and brick walls, and provides design rules for masonry and timber works for traditional houses. 

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