A device should not be mounted within 500mm of any obstruction. If the top of solid partition is less than 300mm from ceiling then treat it as a wall. Similarly, ceiling obstructions such as beams should be treated as walls if deeper than 10% of the ceiling height.

A device should not be mounted within 500mm of any obstruction. If the top of solid partition is less than 300mm from ceiling then treat it as a wall. Similarly, ceiling obstructions such as beams should be treated as walls if deeper than 10% of the ceiling height.


Hochiki's Guide to BS5839:

Our Guide Booklet

Our Online Guide

Contact BSI

 

 

<previous   page 17 |18|19 |20 |21|22 |23 |24 |25 |26 |27 |28 |29 |30 |31 |32     next>