County of Will (IL)

Illinois Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2017

Fire Code Version2015 Building Code

SolarAPP+ StatusTargeted

Wet Stamps RequiredDigital Structural

Fire Setback Enforced1

Codes

NEC Code Version: 2017

Fire Code Version: 2015 Building Code

Code List

2018 INTERNATIONAL RESIDENTIAL CODE

2018 INTERNATIONAL BUILDING CODE

2018 INTERNATIONAL FIRE CODE

2018 INTERNATIONAL RESIDENTIAL CODE, APPENDIX G

2017 NATIONAL ELECTRIC CODE

IEBC Accepted: 1

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: 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: 2012 IBC/IRC 3' setbacks

Structural & loads

Wind Speed: 115

Wind Notes: Exposure Category B

Snow Load: 25

Snow Load Notes: 30psf ground snow load 25psf roof snow load

Reducible Snow Load Allowed: 0

Max Attachment Spacing: 48

Structural Notes: Structural Calcs must include Uplift Calcs and Ridge Beam Calcs SE digital stamps on corresponding PV pages & PE Letter / Calcs. PE Structural Calcs need stamp and signature on all pages and pages need to be numbered in this format 1 of x, 2 of x, 3 of x and so on.

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

Panel Schedule Required: Partial Home Backup

Supply Tap Neutral Ground Bond Required: 1

Temperature Rating: 75

De Rating Ampacity: 1

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

Max AC system size is capped at 10k, 11.4 inverters are not applicable.

Cover Page: All roof mounted solar requires critter guard per AHJ.

Site: Side of Home Photos from Sitecapture added to the Planset - AHJ requires Side Elevation photos. Please refer to "Elevation Example" added to the files below.

Roof Plan: * AHJ requires all street facing modules to be flush mounted. They define flush mounted as modules with no more than 6 height off roof surface. * Will need to show rafter/truss and attachment points on panel layout

Attachment Detail: * AHJ requires all street facing modules to be flush mounted. They define flush mounted as modules with no more than 6 height off roof surface. Please provide the height of the panels from the roofline. * All houses should have collar ties 4' on center in the upper 1/3 of the attic space. If these are not present, they will need to be installed in order to proceed with installation. * Stagger attachments @ 48 o.c. unless rafter upgrades are required

Electrical Diagram: Standard

Label Page: One photo of each side of exterior of home is required in planset

Custom Placards Required: 0

Non Standard Planset Requirements: BOS Elevation

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

Ground Mount Notes

Allowed - Will need Health Dept Approval
GEC at array
Use Will County GIS, if flood zone is close to array AHJ wants a stamped site plan with: 1. Base Flood Elevation (BFE) line - FEMA Flood Map 2. Topography - Contour lines in GIS 3. Erosion control plan