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Fire Alarm Strobe Placement In Corridors

Fire Alarm Strobe Placement In Corridors

Fire Alarm Strobe Placement In Corridors

(OP)
I have an issue with placing strobes in corridors.  The codes that I have reasearched indicate that when a corridor changes direction, and specifically a right or left hand turn and not a T-intersection, you basically have a situation where your have an end to two corridors.  In that case, you would have to have a visual strobe within 15' of the end of the corridor going both ways.  Of course you could put one in the intersection whereby it is visible both ways but when your are trying to bring an existing building up-to-date, complying with the letter of the law can get expensive.

What kind of leeway do we have here to undertake a design providing "equivalent facilitation" in a case where a condition exists whereby this requirement is not strictly met.  If we have strobes say within 30 feet of each end of the corridor the condition is that we will see a strobe no matter where we stand in either corridor.  In a normal straight corridor we are allowed to be as much as 50 feet from a strobe.  What if we increased the candela level of the strobes?

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