**11.1 Physical controls**

Physical controls are established through clear and systematic policies and procedures by the concerned authority controlling the building and the surrounding environment. The occupants and users of the building have to observe and apply these policies and procedures strictly [2, 6, 8, 82]. Few related examples are listed here:

*Perspective Chapter: Guidelines to Cope with Challenging Problems Facing the Building… DOI: http://dx.doi.org/10.5772/intechopen.109169*

