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Building Services Handbook, 7th Edition by Roger Greeno, Fred Hall

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14  Security Installations

Physical Security

The first line of defence against intrusion includes physical measures that resist unwanted entry to the grounds and structure of a building. The second line of defence is an alarm system.

Some basic physical measures:

  • Spring or night latch – the typical front door latch that is in place when the door is closed. Very vulnerable due ...

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