I recently had a question asked about whether two smoke detectors are required to activate simultaneously in a single elevator lobby in order for cab recall to be initiated. The answer is there is no current national code that requires two detectors to activate before recall occurs. The two detector activation is what we call ‘cross zoning’, and [Read More]
Archives for January 2014
High Rise Fire Safety in Chicago, Part IV
As a recap, in our first post on this subject, we defined how the Chicago High Rise Ordinance originated. In our second post, we looked at why the compliancy rate was low. In our previous post, we discussed how a residential high rise life safety score is determined. Let’s now look at what the impact [Read More]
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