Metro Nashville Dept of Codes & Building Safety
Nashville, TN
Avg Review
22d
Rejection Rate
38%
Skill Files
8
Status
Medium
Ventilation — Nashville Type I Hood
2018 IBC / IMC 507 w/ TN amendments / NFPA 96Type I hoods required over grease-producing appliances per IMC. Exhaust 400 CFM/LF heavy duty. Makeup air at 80-100% of exhaust. TN amendments follow standard IMC. Hot/humid climate requires dehumidification considerations for makeup air.
Examiner Note: Metro Nashville follows standard IMC. Makeup air dehumidification recommended but not always enforced. Show makeup air on roof plan.
Common rejection: Makeup air unit not shown on roof plan; exhaust CFM calculation not provided
Correction: Show makeup air unit on roof plan with CFM matching exhaust per IMC 507. Include exhaust rate calculations on M-1. Consider dehumidification for Nashville climate.
Fire Suppression — Nashville NFPA 96
NFPA 96 / UL 300 / Nashville Fire CodeUL 300 suppression for all Type I hoods. Nashville Fire Marshal reviews fire plans separately. Automatic gas shutoff. Manual pull station at egress. K-class extinguisher within 30 feet of cooking.
Examiner Note: Nashville Fire Marshal requires separate fire review application. Submit concurrent with Metro building permit.
Common rejection: Fire suppression plans not submitted to Nashville Fire Marshal separately
Correction: Submit fire suppression plans to Nashville Fire Marshal. Show UL 300 nozzle layout, gas shutoff, and manual pull station on FP-1. Locate K-class extinguisher within 30 feet.
Plumbing — Nashville Grease Management
2018 IPC w/ TN amendments / Metro Water ServicesGrease interceptor per IPC and Metro Nashville Water Services (MWS) requirements. Interceptor sizing per IPC. 3-comp sink. Handwash within 25 feet. MWS may require FOG (fats, oils, grease) permit.
Examiner Note: MWS reviews grease interceptor sizing. Submit grease trap/interceptor details to MWS in addition to Metro building permit.
Common rejection: Grease interceptor not reviewed by Metro Water Services; FOG permit not applied for
Correction: Submit grease interceptor details to Metro Water Services. Show sizing calculations on P-1. Apply for FOG permit if required by MWS.
Electrical — Nashville Kitchen Circuits
2017 NEC / TN amendmentsDedicated circuits per appliance. GFCI within 6 feet of water per NEC 210.8(B). Emergency disconnect per NEC 422.33. Tennessee follows standard NEC with minimal amendments.
Examiner Note: Metro Nashville follows standard NEC. No unusual local requirements.
Common rejection: GFCI protection not shown on kitchen circuits; emergency disconnect location missing
Correction: Add GFCI symbols within 6 feet of water on E-1. Show emergency disconnect location per NEC 422.33.
Health — Nashville Food Facility
TN Code §68-14 / Metro Nashville Health DeptMetro Nashville Health Department reviews food facility plans. Handwash sink, 3-comp sink, smooth surfaces, FRP behind cooking, sealed floors. Separate permit from building permit. Must obtain Health Dept approval before occupancy.
Examiner Note: Metro Health requires separate plan review application. Submit early — 3-4 week turnaround.
Common rejection: Health department plan review not initiated; wall finish behind cooking line not specified
Correction: Submit food facility plan to Metro Nashville Health Department. Specify FRP/stainless behind cooking on A-series. Show handwash sink locations.
Structural — Nashville Loads
2018 IBC §1607 / ASCE 7-16 w/ TN amendmentsSeismic Design Category B/C for Nashville. Equipment anchorage for items over 400 lbs. Floor live load 150 PSF for commercial kitchen. Walk-in cooler slab reinforcement. Wind design per ASCE 7 (90-100 mph basic wind speed).
Examiner Note: Metro Nashville follows standard IBC structural. TN-licensed PE required for structural calculations.
Common rejection: Structural calculations not provided by TN PE; equipment anchorage details missing
Correction: Provide TN PE-stamped structural calculations. Add equipment anchorage on S-1. Show walk-in cooler slab design.
ADA — Nashville Accessible Design
2018 IBC Ch. 11 w/ TN amendments / ADA 2010IBC Chapter 11 accessibility with TN amendments. Accessible route 36-inch clear. Accessible restroom 60-inch turning radius. Tennessee follows federal ADA closely.
Examiner Note: Metro Nashville follows standard IBC/ADA accessibility. No significant local deviations.
Common rejection: Accessible restroom dimensions not meeting IBC Ch. 11; accessible route not dimensioned
Correction: Show accessible route on A-1 with dimensions per IBC Ch. 11. Detail restroom with 60-inch turning circle and grab bars.
Egress — Nashville Exit Requirements
2018 IBC §1006 / §1017 w/ TN amendmentsStandard IBC egress. Two exits for 50+ occupants. Travel distance 250/300 feet. Exit signs on emergency power. Panic hardware for 50+ occupants. Occupant load on plans.
Examiner Note: Metro Nashville follows standard IBC egress requirements.
Common rejection: Occupant load not on plans; travel distance not shown
Correction: Add occupant load per IBC 1004 on A-1. Show travel distance on egress plan. Dimension exit door widths.