City of Great Falls (MT)
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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.
Report a correctionCodes
- NEC Code Version
- 2020
- Fire Code Version
- 2018 Building Code
- Code List
2021 INTERNATIONAL BUILDING CODE
2021 INTERNATIONAL EXISTING BUILDING CODE
2020 NATIONAL ELECTRICAL CODE
- IEBC Accepted
- Yes
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- Revision Required
- No
- New Planset Required For Module Swap
- No
Stamps
- Ee Stamp Required On SLD
- No
- Wet Stamps Required
- Digital Structural
- Structural Calculations Required
- Yes
- Stamp Location On Plans
- N/A
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- Yes
Structural & loads
- Wind Speed
- 999
- Wind Notes
https://ascehazardtool.org/
see attachement
- Snow Load
- 40
- Snow Load Notes
- Reducible Snow Load Allowed
- No
- Max Attachment Spacing
- 96
- Structural Notes
Must be Stamped by Licensed MT Engineer
calcs must show seismic load B
- Minimum Ground On Roof
- #10
Electrical
- AC Disconnect Required
- No
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Load Side Taps,PV Breaker,Meter Adapter,Line Side Taps
- Supply Tap Neutral Ground Bond Required
- Yes
- Temperature Rating
- 90
- De Rating Ampacity
- 0.91
- BOS Restrictions
Standard - disco on each structure required
Battery / ESS
- Unique Battery Placards Needed
- No
- ESS Notes
Standard ESS Requirements
- Separate ESS Disconnect Required
- No
- ESS Elevation Detail Required
- No
Plan set
- Plan Set Requirements
Standard
- Cover Page
Standard
- Site
Standard
- Roof Plan
Standard
- Attachment Detail
"To ensure the pv systems can withstand the strong winds in Great Falls, please include an extra clip / attachment point on the end of the rail, followed by the 48” on-center attachment for the clips."
Please.pdf" in the files section for an example.
- Electrical Diagram
Standard
- Label Page
MONTANA label drop down
- Custom Placards Required
- No
Ground mount
- Ground Mount Fencing Required
- No
- Ground Mount Notes
Standard Ground Mount requirements
- Setback Front Yard
- 10
- Setback Back Yard
- 5
- Setback Side Yard
- 5