City of Westminster (CO)

Colorado Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

SolarAPP+ StatusTargeted

Wet Stamps RequiredNone

Fire Setback Enforced1

Codes

NEC Code Version: 2023

Fire Code Version: 2018 Building Code

Code List

ANSI A117.1 - 2017

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL PLUMBING CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL FUEL AND GAS CODE

2021 INTERNATIONAL FIRE CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL EXISTING BUILDING 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: Footing inspection

New Planset Required For Module Swap: 1

Stamps

Wet Stamps Required: None

Structural Calculations Required: Yes

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Per the Fire Departments amendments to the 2015 IFC, PV solar systems must meet the following requirements: * Panels shall not be placed closer than 2’0” to the ridge of any roof * Panels shall be placed no closer than 2’0” to the headwall at the top of any roof slope * Panels shall be placed no closer than 18” from any roof valley.

Structural & loads

Wind Speed: 999

Wind Notes: Wind speed is location based. See "Wind Design Criteria" in the files to determine wind speed for each project. Wind exposure is designated as Exposure B.

Snow Load: 30

Snow Load Notes: 30 PSF for both roof and ground snow loads.

Reducible Snow Load Allowed: 0

Max Attachment Spacing: 96

Structural Notes: Standard

Minimum Ground On Roof: #6

Electrical

AC Disconnect Conditional Criteria: Provide all applicable warning and marking labels for AC and DC is connects as required. EQUIPMENT REQUIREMENTS Provide the following equipment information: If backfeed is breaker fed AC disconnect is not required

Electrical Load Calcs Required: Derates

Allowed POI: Line Side Taps,PV Breaker,Meter Adapter,Load Side Taps

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: SPECIFY : if the system is a stand-alone or interactive (grid-tied) system

Cover Page Notes: All Jobs [Project will be interactive (grid-tied) system]

Site: Call out all buildings/patios/structures on property

Roof Plan Notes: All Jobs [All permanent standoffs shall be mounted to structural members, mounted to the deck, and properly flashed to accommodate re-roofing without removal of standoffs. // Panels are not allowed to cover low profile attic vents, dryer vents, or bathroom exhaust vents - either these items will have to be relocated or the panels do not get installed at those locations]

Electrical Diagram: The clearances around all equipment noted above Conduit or cable type and size, i.e., nonmetallic, EMT, direct burial cable etc. Provide all calculations from modules to inverter and inverter to point of connection. Provide all applicable warning and marking labels for AC and DC is connects as required. EQUIPMENT REQUIREMENTS Provide the following equipment information: Labeling for residential applications, a label stating “CAUTION, SOLAR PHOTOVOLTAIC SYSTEM ON PREMISES” shall be placed at or within the main electrical service disconnect If backfeed is breaker fed AC disconnect is not required Supply side tap connectors must be service rated. Connectors must be listed on UL product IQ list Centerfed 120% allowed If backfeed is breaker fed AC disconnect is not required DO NOT ALLOW FOR BREAKER TIE-IN WITH SPLIT BUSS PANEL

Electrical Diagram Notes: All Jobs [Direct current (DC) conduit, wiring, and raceways shall be located below the solar array or a minimum of 24” below the roof sheathing. (611.3.)]

Custom Placards Required: 1

Placards Notes

Metering identification in accordance with utility supplier. Print out of map of solar arrays on the roof to stick inside the main panel.

-Site map placards must be yellow with red or black letters

Ground mount

Ground Mount Fencing Required: No

Ground Mount Notes: Soil Class: Clay

Ground Mount Requires Soil Sample: Soil Study