NFPA #13 (2013) 9.3.3 Seismic Separation Assembly There has been some discussion between the designers and the field staff on whether you can put a hanger on anything other then the pipes shown as "A" & "B" on Figure A.9.3.3(a)
Background 8" feed main crosses the seismic separation. Field staff say that due to the weight of the pipe and the flexible fittings, a hanger is required to stop it from swinging down. Office staff say no hanger as it would defeat the purpose of the swing joint as it would restrict movement. Comments or background either way as we can find nothing in the code for either option. Thank You James Crawford Phaser Fire Protection Ltd. Phone 604-888-0318 Cel: 604-790-0938 Email [email protected]<mailto:[email protected]> Web: www.phaserfire.ca<http://www.phaserfire.ca>
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