If they don’t know what these are, and after they are pointed out can’t fix them, it is not my job to teach them. I do not take the time to hold the designers hand.
Generally I point out all of these in detail and require that there are revisions and a resubmittal.
#Fire sprinkler system design and installation guide plus#
Over the fifteen plus years I’ve performed plan reviews the rejection rate is in excess of seventy percent. Recently the number of plan reviews I’ve completed has dropped off significantly, but in the last year I have not reviewed a new design that was in compliance with NFPA 13 or NFPA 13R. My experiences include plan review of sprinkler system submittals for municipalities and for building owners, fire and other loss investigations associated with fire sprinklers, and inspection of existing sprinkler systems for potential buyers of buildings with existing sprinkler systems (this aspect will be addressed by the author during an October Society of Fire Protection Engineers presentation). What does any of this have to do with fire sprinkler systems? Fire sprinkler systems are not as reliable as the statistics show and often that difference is because of design and installation errors. NFIRS reports are often written before in-depth investigations are completed, or in some instances before the investigation is started. The National Fire Protection Association statistics that are generally reported and quoted are derived from National Fire Incident Reporting System reports (NFIRS), usually not field investigations. Statistics and documented reliability do not include in-depth investigations that often produce different results and yield design, installation, and inspection, testing, and maintenance failures.
The documented reliability is also high for these systems. Fire sprinkler systems that are designed, installed, and maintained properly are a very effective means of property protection, life safety protection, and fire fighter safety.
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