Town of Durham (NH)

New Hampshire Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2020

SolarAPP+ StatusTargeted

Wet Stamps RequiredDigital Structural

Fire Setback Enforced1

Codes

NEC Code Version: 2020

Code List

2021 NH STATE BUILDING CODE

2021 NH STATE FIRE CODE

2021 INTERNATIONAL BUILDING CODE

2021 INTERNATIONAL RESIDENTIAL CODE

2021 INTERNATIONAL MECHANICAL CODE

2021 INTERNATIONAL PLUMBING CODE

2018 INTERNATIONAL ENERGY CONSERVATION CODE

2021 INTERNATIONAL EXISTING BUILDING CODE

2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

2021 NFPA 1, FIRE CODE AS AMENDED BY SAF-FMO 300

2021 NFPA 101 LIFE SAFETY CODE AS AMENDED BY SAF-FMO 300

2020 NATIONAL ELECTRICAL CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

SolarAPP+ Status: Targeted

Any SolarAPP+ Restrictions: 1

SolarAPP+ Restrictions: MPU,Derate

How Many Plansets Required: 2

Revision Required: 0

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: 18" setbacks if covering less than 50% of the roof. 36" setbacks if covering more than 50%.

Structural & loads

Wind Speed: 120

Wind Notes: Exposure Category B

Snow Load: 60

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: SE digital stamps on corresponding PV Pages. The structural letter must reference that the panel install will comply with the placement in the NH amendments: "Photovoltaic systems installed in one- and two-family dwellings and townhouses shall be in accordance with NFPA 1 Section 11.12.2.2.2. Exception: Photovoltaic systems not occupying more than 50% of the aggregate roof area of one- and two-family dwellings only. When applying this exception a minimum 18” ridge setback shall be required unless approved by the AHJ."

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

Panel Schedule Required: Partial Home Backup

Temperature Rating: 90

De Rating Ampacity: 0.91

Battery / ESS

Unique Battery Placards Needed: 0

ESS Notes: Standard

Separate ESS Disconnect Required: ESS Disconnect

ESS Elevation Detail Required: No

Ground mount

Ground Mount Fencing Required: Mesh/Scrim