All, I'm running into some issues on a project where the AHJ is asking for "Cane Detection". For those of you who may not be familiar with the term, the short answer is that cane detection is required for objects that protrude into the circulation path so that a blind/visually impaired person can detect the presence of the object with his/her cane and therefore not bump into it. It's required for objects that protrude more than 4" from the wall, and are located within a height range of 27"-80"; objects higher than 80" are above the required headroom clearance, and objects lower than 27" are within the "cane sweep" and thus will be detected. (Just Google "Cane Detection" for more information)
I understand the need for this, but am uncertain of all the requirements. Here's our situation: We don't need the detection for the standpipe itself (or the drain) because that continues through the floor and can be detected by the cane. However, the hose valves protrude more than 4" from the standpipe, and are above 27", so we're being told that we need it for the hose valves. So, I've got two questions: 1. Is the code being applied the correct way? Have any of you run into this and are the any exceptions for standpipes or life safety equipment? I'm wondering how this hasn't been a problem for us many times before if this is the correct interpretation of the code. 2. If this IS the correct requirement, should the installation of cane detection fall to the fire sprinkler subcontractor? I mean, we're not typically responsible for installing bollards to protect risers in warehouses and similar. I'm interested to hear the forum's thoughts and experiences. Thanks for your help. Kyle Montgomery [cid:[email protected]] Aero Automatic Sprinkler Co. 21605 N. Central Ave. Phoenix, AZ 85024 Direct: 623.580.7820 Cell: 602.763.4736 [email protected]<mailto:[email protected]>
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