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City of Northglenn (CO)

Colorado Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2023
Fire Code Version2018 Building Code
SolarAPP+ StatusTargeted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

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 FIRE CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL FUEL GAS CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL PROPERTY MAINTENANCE CODE

2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Targeted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
MPU,Derate
How Many Plansets Required
1
Revision Required
1
Rough Inspection
None
New Planset Required For Module Swap
1

Stamps

Ee Stamp Required On SLD
No
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
130
Wind Notes

Exposure Category C The Adopted wind speed for Northglenn is 130 MPH (add 3 sec gust to letter & calcs as well)

Snow Load
30
Snow Load Notes

* Roof snow load is 30 PSF (letter & calcs must also state non-reducible).

Reducible Snow Load Allowed
0
Max Attachment Spacing
96
Structural Notes

SE digital stamps on corresponding PV pages & PE Letter / Calcs. WS: 130mph. Exposure C. SL: 30psf Revised structural calcs/PE letter required for mod swaps, layout changes, etc. Structural information: o Size, type, and spacing of roof framing members o Type and thickness of roof sheathing o Type and number of layers or roofing materials o Include plans for changes (if any) being made to the existing structure to accommodate the additional dead load. * The Adopted wind speed for Northglenn is 130 MPH (add 3 sec gust to letter & calcs as well), Exposure B. * Engineering must indicate 2018 Edition of the I-codes * Roof snow load is 30 PSF (letter & calcs must also state non-reducible).

Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Load Side Taps,Meter Adapter,Line 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

Standard

Separate ESS Disconnect Required
ESS Disconnect
ESS Elevation Detail Required
No

Plan set

Plan Set Requirements

Building Department - City of Northglenn (http://cms7.revize.com/revize/northglennco/government/departments/building/) Wind speed 110 mph 3-second gust, exposure B designer shall assess The city contracts its building division services through SAFEbuilt (http://www.safebuilt.com/). It's very easy to get a hold of their Building Department with this number . Mounting/ Racking system details including the following: Indicate the mount type (ie: roof-mount, flush mount, grid-tied, etc.) Manufacturer specifications with uplift capacity that meet the wind loads (110 mph, 3-second gusts), snow loads (30 psf), attachment details (type, size, and spacing of fasteners) Colorado stamped engineer's verification letter for any custom racking.

Electrical Diagram

**All Jobs** * Provide documentation that the AC Disconnect switch is rated for service use. * If using a DC disconnect, provide documentation that the disconnect is rated for DC voltage and what the maximum voltage is. * If there is no main breaker and the 120% rule is not being used, provide load calculations with all loads including PV shown to ensure sum of all OCPDs are below 125A. **Taps** * For line side tap, please reflect that the neutral is not bonded to ground in fused AC disconnect.

Label Page

Labels page must mention "UV resistant Label Tape required for values on DC and AC Disconnects"

Custom Placards Required
0
Non Standard Revision Requirements

Revisions shall be clouded in a color other than red or black and shall be clearly labeled with the delta letter or number. The delta shall be shown in the "Revisions" table." (UNDERNEATH THE SYSTEM INFORMATION BLOCK)

Ground mount

Ground Mount Fencing Required
No
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Northglenn (CO) building department before you rely on this, and treat it as a research head start, not a ruling. Getting quotes? Run them through the quote checker first.