Rich, the pipe being dry is not the first issue you need to consider. A CPVC
riser (and associated pipes) has to be within 2" of the wall and a sprinkler
has to be installed no farther than 12" from the riser. CPVC can only be ran
exposed by adhering to strick guidelines contained in the design guide of the
manufacturer. Your exposed run of pipe doesn't meet those requirements. You
really need to involve the manufacturer or distributor.
Russell
>We are reviewing a proposal for a wet pipe sprinkler system using CPVC pipe.
>However, there is a run of CPVC pipe between the FDC and the riser that is
>dry, is this standard practice or acceptable?
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