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Preaction System with Nitrogen supervision instead of a compressor
It can be and should be calculated.... The high pressure water mist systems utilize nitrogen for reducing oxygen levels and are supposed to be safe for breathing.- EEEliminator
- Post #6
- Forum: NFPA (fire) Code Issues
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standpipe question
If you read through NFPA it tells you where you have to have the hose valves, intermediate landing or main landing depending the year you're referencing. The standpipes also need to be interconnected. The local responding fire department should also be consulted to confirm that the hose valves...- EEEliminator
- Post #3
- Forum: NFPA (fire) Code Issues
