City of Great Falls (MT)

Codes

NEC Code Version

2020

Fire Code Version

2018 Building Code

Code List

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2020 NATIONAL ELECTRICAL CODE

IEBC Accepted

1

ASCE Code Specification

ASCE 7-16

SolarAPP+ & submittal

Revision Required

0

New Planset Required For Module Swap

0

Stamps

Ee Stamp Required On SLD

No

Wet Stamps Required

Digital Structural

Structural Calculations Required

Yes

Stamp Location On Plans

N/A

Date On Stamps

Expiration Date

Fire setbacks

Fire Setback Enforced

1

Structural & loads

Wind Speed

999

Wind Notes

https://ascehazardtool.org/

see attachement

Snow Load

40

Snow Load Notes

Reducible Snow Load Allowed

0

Max Attachment Spacing

96

Structural Notes

Must be Stamped by Licensed MT Engineer

calcs must show seismic load B

Minimum Ground On Roof

#10

Electrical

AC Disconnect Required

No

Electrical Load Calcs Required

Derates

Allowed POI

Load Side Taps,PV Breaker,Meter Adapter,Line Side Taps

Supply Tap Neutral Ground Bond Required

1

Temperature Rating

90

De Rating Ampacity

0.91

BOS Restrictions

Standard - disco on each structure required

Battery / ESS

Unique Battery Placards Needed

0

ESS Notes

Standard ESS Requirements

Separate ESS Disconnect Required

No

ESS Elevation Detail Required

No

Plan set

Plan Set Requirements

Standard

Cover Page

Standard

Site

Standard

Roof Plan

Standard

Attachment Detail

"To ensure the pv systems can withstand the strong winds in Great Falls, please include an extra clip / attachment point on the end of the rail, followed by the 48” on-center attachment for the clips."

Please see the "SOLAR ATTACHMENT EXAMPLE.pdf" in the files section for an example.

Electrical Diagram

Standard

Label Page

MONTANA label drop down

Custom Placards Required

0

Ground mount

Ground Mount Fencing Required

No

Ground Mount Notes

Standard Ground Mount requirements

Setback Front Yard

10

Setback Back Yard

5

Setback Side Yard

5