County of Boulder (CO)
Codes
- NEC Code Version
- 2023
- Fire Code Version
- 2018 Building Code
- Code List
2021 INTERNATIONAL BUILDING CODE,
2021 INTERNATIONAL RESIDENTIAL CODE,
2021 INTERNATIONAL EXISTING BUILDING CODE
2021 INTERNATIONAL MECHANICAL CODE
2021 INTERNATIONAL PLUMBING CODE
2021 INTERNATIONAL FUEL GAS CODE
2023 NATIONAL ELECTRIC CODE
2021 INTERNATIONAL ENERGY CONSERVATION CODE
2021 INTERNATIONAL GREEN CONSTRUCTION CODE
2021 INTERNATIONAL CODE COUNCIL PERFORMANCE CODE
2021 INTERNATIONAL SWIMMING POOL AND SPA CODE
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- SolarAPP+ Status
- Testing
- Any SolarAPP+ Restrictions
- 1
- SolarAPP+ Restrictions
- MPU,MPU,Derate,Derate
- How Many Plansets Required
- 1
- Revision Required
- 1
- Rough Inspection
- Footing inspection
- New Planset Required For Module Swap
- 0
Stamps
- Wet Stamps Required
- Digital Structural
- Structural Calculations Required
- Yes
- Stamp Location On Plans
- Unspecified
- Date On Stamps
- Expiration Date
Fire setbacks
- Fire Setback Enforced
- 1
- Setback Notes
Standard
Structural & loads
- Wind Speed
- 999
- Wind Notes
DEPENDS ON LOCATION. SEE DOCUMENT BELOW The wind and ground snow loads for Unincorporated Boulder County vary greatly across the county. Please see the attached link to ‘Property Search’ (). FIND THE PROPERTY THROUGH THE SEARCH BAR. UNDER THE ZONING SECTION, THE WIND SPEED AND SNOW LOAD SHOULD BE FOUND.
Link: https://maps.boco.solutions/propertysearch/
- Snow Load
- 999
- Snow Load Notes
DEPENDS ON LOCATION. SEE DOCUMENT BELOW The wind and ground snow loads for Unincorporated Boulder County vary greatly across the county. Please see the attached link to ‘Property Search’ (). FIND THE PROPERTY THROUGH THE SEARCH BAR. UNDER THE ZONING SECTION, THE WIND SPEED AND SNOW LOAD SHOULD BE FOUND.
Link: https://maps.boco.solutions/propertysearch/
- Reducible Snow Load Allowed
- 1
- Max Attachment Spacing
- 96
- Structural Notes
- Engineer must reference the required wind and snow loads for the site.
- If panels extend above the roof ridge, this must be included in the engineer’s evaluation.
- Wind and ground snow loads vary significantly within Unincorporated Boulder County.
- For flat roof installations, provide the method of repair for roof penetrations.
- Minimum Ground On Roof
- #10
Electrical
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Line Side Taps,Meter Adapter,Load Side Taps,PV Breaker
- Panel Schedule Required
- Partial Home Backup
- Temperature Rating
- 90
- De Rating Ampacity
- 0.96
Battery / ESS
- Unique Battery Placards Needed
- 0
- ESS Notes
PM required. Call out 200 amp AMI Production Meter Inv > PM > AC > POI No published information about battery placement.
- Separate ESS Disconnect Required
- ESS Disconnect
- ESS Elevation Detail Required
- No
Plan set
- Plan Set Requirements
Site Plan - Equipment Outside a Building (NEED CLARITY IF THIS IS FOR GROUND MOUNTS Show the layout of all the array's and the required minimum access and pathways per section R324 of the Boulder County Building Code Amendments. Show the location and connection of all grounding electrode conductors. WIND SPEED: DEPENDS ON LOCATION, SEE DOCUMENT ATTACHED BELOW
- Attachment Detail
Standard flashing
- Electrical Diagram
Centerfed 120%: Not Sure
- Custom Placards Required
- 0
Ground mount
- Ground Mount Fencing Required
- Mesh/Scrim
- Ground Mount Notes
Provide dimensions from panels/equipment to:
- Property lines
- Other structures on the property
- Property easements
- Provide engineered footing design.
Setbacks & Location
- Ground-mounted systems may be located within minimum lot line and major road setbacks without a variance if:
- Minimum 5 ft from lot lines, and
- Minimum 15 ft from all roads.
- Systems must comply with applicable zoning setbacks unless otherwise approved.
Height Limits
- Maximum standard height: 15 ft
- Height may be increased for site-specific needs with approval.
- Absolute maximum height: 25 ft
Site Restoration
- Prior to final inspection, all disturbed or exposed soil must be:
- Re-vegetated or
- Stabilized to prevent erosion, noxious weeds, and stormwater impacts.
Site Plan Review Exemptions
Ground-mounted systems do not require Site Plan Review if all of the following are met:
- System height is 10 ft or less
- System meets zoning setback requirements
- Panels are within 100 ft of the structure they serve
- Total panel area is 750 sq ft or less
- Panel area is calculated as length × width of the array