Metro Nashville requires 48-inch minimum pool barriers per IRC Appendix G as adopted. Self-closing, self-latching gates with latch 54 inches above grade. Inspection required before pool is filled.
Metro Nashville enforces IRC 2018 Appendix G (Swimming Pool Safety) for all residential pools, spas, and hot tubs. Minimum barrier height is 48 inches on the outside. Vertical fence openings cannot exceed 4 inches; horizontal members on chain-link and picket fences have additional spacing limits. Gates must swing away from the pool, self-close, and self-latch, with the release mechanism at least 54 inches above grade on the pool side. Doors from the dwelling into the pool area must have alarms OR the pool must have a powered safety cover meeting ASTM F1346. Above-ground pools with 48-inch walls may serve as their own barrier if ladders are removable or lockable. Final inspection is required before water is added; operating without passing barrier inspection exposes the owner to liability and permit revocation.
Non-compliant barrier: stop-use order. Metro citations up to $50/day. Civil liability exposure for drowning incidents. Pool permit not finaled until barriers pass inspection.
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See how Davidson County's pool barriers rules stack up against other locations.
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