[RE-wrenches] NFPA 1 and 2012 IFC Pathway/Ventilation Interpretations

[Jason Kechijian]

Hey Wrenches!

I currently designing a system on a 1560ft long building — standing seam 10º pitch roof, no vents or skylights — with a 10’ setback around all sides for wind loading. There are 10 flush-mounted arrays that are 149 ft x 55 ft — under 150ft directional requirement. After researching both NFPA 1 and 2012 IFC and the array parameters described, I am a little confused. What is the required spacing between arrays? 4, 6, or 8 ft? The 6’ ft option works best in regards to maximizing the roof.

Thanks for the help!!


Jason D. Kechijian, LEED AP 
NABCEP Certified PV Installation Professional™
solarj at me.com
(843) 200-7271

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