City of Helena (MT)
NEC Code Version2020
Fire Code Version2018 Building Code
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1
Codes
- 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
- 1
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- Revision Required
- 1
- Rough Inspection
- Rough Electrical
- New Planset Required For Module Swap
- 0
Stamps
- Ee Stamp Required On SLD
- No
- Wet Stamps Required
- Digital Structural
- Structural Calculations Required
- Yes,Yes - Non-Truss
- Stamp Location On Plans
- Unspecified
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- 1
Structural & loads
- Wind Speed
- 75
- Wind Notes
https://ascehazardtool.org/
90 MPH for 3 second gusts
- Snow Load
- 30
- Snow Load Notes
https://ascehazardtool.org/
- Reducible Snow Load Allowed
- 1
- Max Attachment Spacing
- 96
- Structural Notes
- Footing and foundation system for ground mounted systems shall be stamped by Montana licensed structural engineer. Provide details and dimensions of all foundation and support elements
- For roof top systems being installed on a raftered roof system, provide a structural analysis prepared by a Montana licensed structural engineer indicating the existing roof system is adequate to support the proposed solar system. Analysis shall include verification of roof structure assembly, rafter sizes and span and anchoring method into the existing structural members.
- Minimum Ground On Roof
- #10
Electrical
- AC Disconnect Required
- No
- Electrical Load Calcs Required
- All Jobs
- Allowed POI
- Load Side Taps,PV Breaker,Meter Adapter,Line Side Taps
- Supply Tap Neutral Ground Bond Required
- 1
- Temperature Rating
- 90
- De Rating Ampacity
- 0.91
- BOS Restrictions
Standard
Battery / ESS
- Unique Battery Placards Needed
- 0
- 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
Standard
- Electrical Diagram
Standard
- Label Page
MONTANA - DISCO label page
- Custom Placards Required
- 0
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