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TI sprinkler work is mostly schedule and coordination. New ceilings, new walls, new occupancy — the system has to match. We work to your TI contractor's framing-to-final timeline and file submittals with the AHJ in the format they expect.
Illustrative sample of a Bonney Lake TI permit we file weekly. Permit number, property, and signature are sample values; the pattern matches our actual BLFD filings.
| # | Step | What happens | Owner | Reference |
|---|---|---|---|---|
| 01 | Pre-bid walkDay 0 · 60 min | Site walk with GC + tenant. Existing as-builts pulled, ceiling type confirmed, hazard classification set. | 1cf | NFPA 13 § 5.4 |
| 02 | Hydraulic recalcDay 1 – 3 | Density/area method recomputed for the new layout. Most TIs fail here when a GC moves a wall without telling sprinkler. | 1cf | NFPA 13 § 23.4 |
| 03 | AHJ permit submittalDay 3 – 5 | Stamped shop drawings + calc + product data to the AHJ portal. BLFD acknowledges in 3 days on average. | AHJ | BLFD AO 24-02 |
| 04 | Material orderDay 5 – 10 | Pipe, heads, FDC parts if scope touches the riser. Storz 5″ on order for any new FDC per BLFD amendment. | 1cf | NFPA 13 § 8.17 |
| 05 | Rough-inWk 3 – 6 | Pipe, drops, head positions. Coordinated with mechanical/electrical so nothing lands in the obstruction radius. | 1cf | NFPA 13 § 8.5 |
| 06 | Rough inspectionWk 6 · half-day | Above-ceiling walk with the AHJ. Pressure test held at 200 psi for 2 hr. Joints witnessed, no covers until cleared. | AHJ | NFPA 13 § 25 |
| 07 | Ceiling coverWk 6 – 10 | Drywall closes. Final head trim, escutcheons, paint protection. We hold the ceiling crew until our pressure-test logs sign. | 1cf | NFPA 13 § 8.6.4 |
| 08 | Final inspectionWk 10 – 12 | Final + flow test with the AHJ. Documentation packet handed to property + tenant: O&M, hydraulic calc, certificate of occupancy. | AHJ | NFPA 25 § 5 |
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