Had a quick question regarding design of thrust blocks for underground FDC / fire water supply. In your experience is that design typically a civil designer’s responsibility or the responsibility of the fire sprinkler sub?
I have a project where both parties are saying they do not do this design – the sprinkler sub says their design begins at the flanges in the riser room. I have an earthwork subcontractor doing the physical installation of the FDC and fire water pipes outside leading into the riser room. Would thrust blocking details then need to be calc’ed and detailed by the civil engineer?
I’d appreciate knowing what your experience has been!
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