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Protection below overhead doors.

Question asked by Jeffrey E Ball on Mar 15, 2018
Latest reply on Mar 15, 2018 by cda cda

Is it acceptable to install standard sidewall sprinklers in the air space between adjoining overhead doors, back-to-back (on a "T" fitting with the deflectors positioned parallel to the ceiling) and without any horizontal piping/extenders to position the sprinklers below the overhead door?