Freeze prevention checklist for sprinkler piping
Building envelope |
Yes | No | N/A | Action needed/comments |
|---|---|---|---|---|
| Are penthouse openings including louvers properly sealed? | ||||
| Does attic have proper insulation? | ||||
| Windows are free of cracks and properly caulked? | ||||
| Is enough warm air circulated to stabilize temperatures near outer walls? | ||||
| If possible, are dampers on ducts leading to outside closed? | ||||
| Are temperatures monitored in out-of-the-way areas or other areas susceptible to dropping below 40ºF? |
Wet fire protection sprinkler systems |
Yes | No | N/A | Action needed/comments |
|---|---|---|---|---|
| Is insulation tenting in attic properly placed over piping? | ||||
| Is a temperature of 40ºF or greater maintained in these susceptible areas? | ||||
| • Above false ceilings | ||||
| • Under floor spaces | ||||
| • Inside equipment penthouses | ||||
| • Stair towers | ||||
| • Areas near exterior walls | ||||
| Are central station water flow alarms working properly? |
Dry fire protection sprinkler systems |
Yes | No | N/A | Action needed/comments |
|---|---|---|---|---|
| Are low point drains on dry system checked at least monthly? | ||||
| Are sprinkler valve enclosures properly heated to 40ºF or greater? | ||||
| Have missing or broken pipe hangers been replaced? (Helps ensure piping is properly pitched to low point drains) | ||||
| System checked for air leaks and repaired if needed? (Prevents system from tripping if power to compressor is lost) | ||||
Is air intake for compressor located in a cool dry environment and equipped with air dryer if needed? (Helps prevent formation of condensation within piping) |
||||
| Are central station water flow alarms working properly? | ||||
| Is the central station low air pressure alarm working properly? |
Fire pumps |
Yes | No | N/A | Action needed/comments |
|---|---|---|---|---|
| Is the diesel engine driver room temperature maintained at 70°F or above? | ||||
| Is the electric engine driver pump room temperature maintained above 40°F? | ||||
| Is the suction source protected from freezing? |
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LC FEB 2019-301
171-1225 (10/15)