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FIRE SERVICE AND GENERAL FIRE SAFETY TOPICS => Technical Advice => Topic started by: AnthonyB on November 19, 2008, 02:05:17 PM

Title: Old categories from BS5839 1980 & 1988
Post by: AnthonyB on November 19, 2008, 02:05:17 PM
Not having these old standards could someone tell me:

How often on an L3 system did you need to place a head on a stair - every other landing or just at the very top? Was it similar to the current version of much less?
Title: Re: Old categories from BS5839 1980 & 1988
Post by: Graeme on November 19, 2008, 05:25:07 PM
Top of stairway and on landings so the vertical distance between detectors did not exceed 10.5m