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City of Tempe (AZ)

Arizona Authority Having Jurisdiction Solar permitting requirements
NEC Code Version2017
Fire Code Version2018 Building Code
SolarAPP+ StatusAdopted
Wet Stamps RequiredDigital Structural
Fire Setback Enforced1

Codes

NEC Code Version
2017
Fire Code Version
2018 Building Code
Code List

2018 INTERNATIONAL BUILDING CODE

2018 INTERNATIONAL ENERGY CONSERVATION CODE

2018 INTERNATIONAL EXISTING BUILDING CODE

2018 INTERNATIONAL FIRE CODE

2018 INTERNATIONAL FUEL GAS CODE

2018 INTERNATIONAL MECHANICAL CODE

2018 INTERNATIONAL PLUMBING CODE

2018 INTERNATIONAL RESIDENTIAL CODE

2017 NATIONAL ELECTRICAL CODE

ICC/ANSI A117.1-2009 ACCESSIBLE AND USABLE BUILDINGS AND FACILITIES

2010 ADA STANDARDS FOR ACCESSIBLE DESIGN TEMPE BUILDING SAFETY ADMINISTRATIVE CODE

TEMPE ZONING AND DEVELOPMENT CODE

ASCE Code Specification
ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status
Adopted
Any SolarAPP+ Restrictions
1
SolarAPP+ Restrictions
Existing Systems,Trenching,MPU,Derate
How Many Plansets Required
2
Revision Required
1
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

3' fire setbacks to be considered from the load bearing wall.

Structural & loads

Wind Speed
115
Wind Notes

Exposure Category C

Snow Load
0
Reducible Snow Load Allowed
1
Max Attachment Spacing
96
Minimum Ground On Roof
#10

Electrical

Electrical Load Calcs Required
Derates
Allowed POI
Load Side Taps,PV Breaker,Line Side Taps,Meter Adapter
Panel Schedule Required
Partial Home Backup
Temperature Rating
90
De Rating Ampacity
0.87

Battery / ESS

Unique Battery Placards Needed
1
ESS Notes

Required: Disco and PM between B/U load panel and inverter. Do this on Site Plan and ELD(s): Call out ESS Disco as DER Storage Disconnect . Call out ESS PM as DER Storage Meter . Call out make and model for all Disconnects. Show blades of all Disconnects open to the inverter. No published information about battery placement.


Interior ESS:

Fire Detection in Garage (IFC 907.4.3)

"In spaces where smoke detectors cannot be utilized due to ambient conditions (garage), approved automatic heat detectors shall be permitted."

Reflect Heat Detector location on Site Plan along with above note for interior installs.

Separate ESS Disconnect Required
Local Disconnect
ESS Elevation Detail Required
No

Plan set

Roof Plan


Identify edge set back distance of array.


Coordinate with structural calculations Structural Calcs Sheet 3: Coordinate calcs with dimensions shown on plan set Add minimum spacing of lags to elevation. State height of conduit above roof in inches. /// per DCR for a past project -

5/16 x3.5 SS LAG BOLT CAN BE EMBEDDED IN A CONVENTIONALLY FRAMED, STRUCTURAL, ROOF RAFTER, DEEPER THAN 2 1/2 INCHES BUT NOT LESS THAN 1 1/2 INCHES, SEALED PENETRATION


Add note: Rapid shutdown initiation device labeled on the plans. Device must be either: service disconnecting means, PV system disconnecting means, or readily accessible switch that plainly indicates whether it is in the off' or on position (NEC 690.12(C)) C.O.T. Rapid shut down will be located with 25 ft and visual sight of main service disconnect.

Attachment Detail

Lag bolt/ screws 5/16in diameter by 3 inch long required

Electrical Diagram Notes

The record daytime high of 122F has been achieved 4 times in the city of Tempe. The record daytime low of 17 F has been achieved twice in the city of Tempe. The design temps that we will use are 111F and 19 F for electrical design and for residential wall design 71F and 34F. wind speed for residential is 115mph, wind speed for commercial is 105mph. exposure category is B. seismic category is C. Rainfall is 3 inch. BE ADVISED THAT UPON ANY INSPECTION BY THE C.O.T. INSPECTIONS DEPT. MAY REQUIRE THAT ALL DEFICIENCIES FOR EXISTING ELECTRICAL SERVICE PANEL BE CORRECTED AND/OR REPLACED AS NEEDED.

Label Page

add verbiage "to be in line of sight of main electrical service" below sticker " PHOTOVOLTAIC SYSTEM, EQUIPPED WITH RAPID SHUTDOWN per past correction (a past project) Rapid shutdown arrow to be pointed at inverter

Custom Placards Required
0
Non Standard Planset Requirements
Single Line Diagram

Ground mount

Ground Mount Fencing Required
Mesh/Scrim
Compiled from public records, 2026. Requirements change with code cycles and local amendments. Verify with the City of Tempe (AZ) 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.