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An AFH retrofit is install work with a regulatory clock attached. We size 13D systems into existing residential floor plans, keep disruption to residents low, and coordinate with the DSHS inspector so the system clears both the fire and licensing reviews on the same trip.
| # | Step | What happens | Owner | Reference |
|---|---|---|---|---|
| 01 | Site walk and existingStep 01 | Site walk and existing-floor-plan scope review | 1cf | — |
| 02 | NFPA 13D system sizing and head layoutStep 02 | NFPA 13D system sizing and head layout | 1cf | — |
| 03 | Permit submittal with the local AHJStep 03 | Permit submittal with the local AHJ | AHJ | — |
| 04 | Pipe and head install sequenced around occupant routineStep 04 | Pipe and head install sequenced around occupant routine | 1cf | — |
| 05 | Pressure testing and final inspectionStep 05 | Pressure testing and final inspection | AHJ | — |
| 06 | Documentation set sized for DSHS licensing reviewStep 06 | Documentation set sized for DSHS licensing review | AHJ | — |
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