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When do I need to turn the sprinkler heads up?

Question asked by Virgilio Torrao on Aug 29, 2017
Latest reply on Aug 30, 2017 by Lawrence Steffens

I have a two story office building, which is fully sprinklered.  We are going to demolish the existing interior layout for both floors, in order to investigate the existing structure.  The existing sprinkler system will remain as is for a couple of months before new construction begins.  Do I need to turn the sprinkler heads up, while the space is empty?