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NOTE: This is an unformatted excerpt from our online fire protection training library.

Automatic Sprinkler Inspection, Testing & Maintenance

Piping

All sprinkler piping and fittings must be inspected annually. This inspection from the floor is to verify that there is no physical damage, corrosion, or misalignment. Nothing should be hung from or connected to the piping unless it is part of the sprinkler system.

NFPA 13 doesn't require inspections of piping, fittings and hangers in void spaces or any places that can't be seen from the floor. The theory is simple: the piping and components should have been checked for compliance at installation, and if they are not accessible, people shouldn't be able to get at them and affect their status.

Pipe hangers and seismic braces should be tight and undamaged. The pipe fitting in the larger photo is not properly aligned, perhaps due to being struck or as the result of poor installation. 

The hanging components in the other two photos are not proper for hanging pipe.

NOTE: This is an unformatted excerpt from our online fire protection training library.

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