Quote: Thanks that does help. I'm from Chicago which is probably where Houston got the idea of 2-11 and up from. In Chicago we don't have a 1-11 however. When we call for more equipment above a "still alarm" (structure fire) we call it a Still and Box alarm instead of a 1-11 alarm like you do in Houston. If we need any additional equipment without calling for an full extra alarm we just request what we need. It is sometimes known as a special call. You shouldn't confuse a special call with a special alarm however. In Chicago if we need more extra alarms above a 5-11 we call those alarms special alarms. So what some fire departments call a 7th alarm or in some cases a 7-11 , in Chicago we would call it a 5-11 alarm and 2 specials.I can't say that we copy anybody, and we are our own unique animal.
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In Houston a "still alarm" is the response of a single engine. A box alarm varies on the size or type of structure or incident. Our box assignments are complex in definition from house to high-rise and extrication to haz-mat. A 1-11 response for a house fire could be an additional Engine & Safety Officer to an additional Engine, Truck, Chief for a comercial building/apartments. The 1-11 is not automatic and must be requested, our 2-11 response is quite large, the 1-11 is a smaller option for the IC.