I have a job where I'm using EC heads per FM 3-26 table 2 in a HC-3 hazard.
When calc'n EC normally I've always used the design criteria recommendations per the cut sheet (ex. for 14x14 spacing use this psi / gpm etc.) But in this this situation would it be recommend to stick to the 14x14 or 16x16 spacing, or could I use the demand requirements for how the head is space, say 15x15? Jerry Van Kolken Millennium Fire Protection Corp. 2950 San Luis Rey Rd. Oceanside, CA 92058 (760) 722-2722 FX 722-2730
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