Town of Charlton (MA)

Massachusetts Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2023

Fire Code Version2018 Building Code

Wet Stamps RequiredDigital Structural

Fire Setback Enforced1

Codes

NEC Code Version: 2023

Fire Code Version: 2018 Building Code

Code List

10TH EDITION OF THE MA STATE BUILDING CODE 780

2021 INTERNATIONAL BUILDING CODE W/780 CMR

2021 INTERNATIONAL RESIDENTIAL CODE W/780 CMR

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL FIRE CODE

2023 NATIONAL ELECTRICAL CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

How Many Plansets Required: 2

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

Ee Stamp Notes: No EE required

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Standard

Structural & loads

Wind Speed: 125

Wind Notes: Exposure Category B

Snow Load: 50

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: Engineering letter to include. * Span, Spacing, Species and Span break information (knee walls, collar ties). * Any snow sliding / drifting into valleys affected by new panels. * Snow impact loads on structures and accessory structures below new Panels (Decks, Porches etc.). CALCULATION MUST BE SHOWN * Copy of onsite survey report being sent to engineer.

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

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

***All designs in this AHJ must meet all requirements listed on AHJ solar permit checklist Charlton Requirements.pdf or otherwise will receive rejection***

Include copies of specsheets for ALL equipment including mounting hardware and jbox
Photos Required: All full sides of the house (minimum 4)
Attic interior NOTE: If attic is non accessible, include a photo of site auditor measuring the rafter with a probe and it's dimension. Include measurements of rafter depth, span, spacing, and any span breaks
Edge of roof showing number of layers of shingles, if applicable
Copy of site report being sent to PE

Roof Plan: * Condition and Age of roof covering and condition should be noted on plans * Porches, decks, or any attached or detached structures that could be affected by new solar panel installation should be drawn and labeled on plans. All roofs should be labeled on plans. * Snow guard required. Call out installation on plans.

Custom Placards Required: 0

Ground mount

Ground Mount Fencing Required: Mesh/Scrim