City of Spokane (WA)
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These change with code cycles. If a requirement here is out of date or missing, tell us and we'll fix it.
Report a correctionCodes
- NEC Code Version
- 2023
- Fire Code Version
- 2018 Building Code
- Code List
2021 INTERNATIONAL BUILDING CODE
2021 INTERNATIONAL RESIDENTIAL CODE
2021 INTERNATIONAL FIRE CODE
2021 INTERNATIONAL ENERGY CONSERVATION CODE
2021 INTERNATIONAL EXISTING BUILDING CODE
2021 INTERNATIONAL FUEL GAS CODE
2021 INTERNATIONAL MECHANICAL CODE
2021 INTERNATIONAL PLUMBING CODE
2021 WASHINGTON STATE ENERGY CODE
2023 NATIONAL ELECTRICAL CODE
- IEBC Accepted
- Yes
- ASCE Code Specification
- ASCE 7-16
SolarAPP+ & submittal
- SolarAPP+ Status
- Adopted
- Date SolarAPP+ Accepted
- 45433
- Any SolarAPP+ Restrictions
- Yes
- SolarAPP+ Restrictions
- Existing Systems,Trenching
- Revision Required
- Yes
- New Planset Required For Module Swap
- No
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
- Yes
- Setback Notes
City of Spokane requires not fewer than one 3FT pathway to end at directly at the driveway. Not just street/driveway side.
Arrays covering up to 33% of roof require, not less than, 18” clear setback on both sides of the ridge, R324.6.2.
(2- separate 18" dimensions on either side of ridge. do not combine to 3' total)
Structural & loads
- Wind Speed
- 110
- Wind Notes
Wind speed varies through AHJ, check project address at https://ascehazardtool.org/
Minimum 110 mph
- Snow Load
- 39
- Snow Load Notes
Snow Load varies through AHJ, check project address at https://ascehazardtool.org/
Minimum 39 lbs
Roof snow load: 30psf
- Reducible Snow Load Allowed
- Yes
- Max Attachment Spacing
- 96
- Minimum Ground On Roof
- #10
Electrical
- AC Disconnect Required
- No
- Electrical Load Calcs Required
- Derates
- Allowed POI
- Load Side Taps,Line Side Taps,PV Breaker,Meter Adapter
- Supply Tap Neutral Ground Bond Required
- Yes
- Temperature Rating
- 90
- De Rating Ampacity
- 0.91
- BOS Restrictions
Standard
Battery / ESS
- Unique Battery Placards Needed
- No
- ESS Notes
Standard ESS requirements
- Separate ESS Disconnect Required
- No
- ESS Elevation Detail Required
- No
Plan set
- Plan Set Requirements
Include datasheet showing that the mounting system is compatible with PV module. Module on plans must match Module on datasheet exactly
- Cover Page
Standard
- Site
Standard
- Roof Plan
City of Spokane requires not fewer than one 3FT pathway to end at directly at the driveway. Not just street/driveway side.
- Attachment Detail
City of Spokane requires document showing attachment compatibility.. Scroll to bottom of PDF.
- Electrical Diagram
For all Line Side Connections:
- Neutral and ground bonded in fused disconnect
- #6 bare copper run from N/G bar to (E) MSP's GEC and crimped
- Schedule 80 PVC must be used in between fused disconnect and MSP - only showing 2 hots and neutral
- All other conduit can be EMT
For all Load Side Taps:
- Schedule 80 PVC must be used in between disconnect and MSP
- Label Page
Standard
Ground mount
- Ground Mount Fencing Required
- No
- Ground Mount Notes
Standard GM requirements
- Setback Front Yard
- 10
- Setback Back Yard
- 5
- Setback Side Yard
- 5