assaabloy.com 525 Cylinders Introduction Here is an example of a master key system in a school environment: Head teacher Head teacher: has access to the grand master key, and can access all doors within the building. Deputy head Deputy head: holds the master key for each building, their master keys will not open any of the doors on the opposite side of the building to ensure security is maintained. Head of department Head of department: sub master keys issued to each person who needs to access all rooms in that specified area, but will not be able to access other departments, this allows access but limits the security risk. Teacher Teacher: is issued with servant keys, only needs access to their own door/ classroom and not any other areas. Cleaner / maintenance Cleaners and maintenance: keys to pass for all cleaning maintenance cupboards around the school to reduce the number of keys carried. A cylinder can be configured to be operated by two or more different keys: Servant key: operates individual locks Master key: opens multiple doors in an area Grand master key: able to open all the locks in the suite Master key system example Grand master key Builing 1 master key Sub master key Sub master key 25 differ keys 70 differ keys 50 differ keys 50 differ keys Keys to pass Keys to pass Sub master key Sub master key Building 2 master key Grand master key Builing 1 master key Sub master key Plant room Office block 1 Risers Office block 2 Plant room Meeting rooms Office block 3 Sub master key Sub master key Sub master key Building 2 master key
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