City of Southlake (TX)

Texas Authority Having Jurisdiction Solar permitting requirements

NEC Code Version2020

Fire Code Version2018 Building Code

Wet Stamps RequiredDigital Structural,Digital Electrical

Fire Setback Enforced1

Codes

NEC Code Version: 2020

Fire Code Version: 2018 Building Code

Code List: 2020 NATIONAL ELECTRICAL CODE 2021 INTERNATIONAL BUILDING CODE 2021 INTERNATIONAL MECHANICAL CODE 2021 INTERNATIONAL ENERGY CONSERVATION CODE 2021 INTERNATIONAL FUEL GAS CODE 2021 INTERNATIONAL FIRE CODE 2021 INTERNATIONAL PLUMBING CODE 2021 INTERNATIONAL RESIDENTIAL CODE 2021 INTERNATIONAL PROPERTY MAINTENANCE CODE 2021 INTERNATIONAL EXISTING BUILDING CODE 2021 INTERNATIONAL SWIMMING POOL AND SPA CODE

ASCE Code Specification: ASCE 7-16

SolarAPP+ & submittal

Revision Required: 1

New Planset Required For Module Swap: 0

Stamps

Ee Stamp Required On SLD: Yes

Wet Stamps Required: Digital Structural,Digital Electrical

Structural Calculations Required: Yes

Stamp Location On Plans: Unspecified

Date On Stamps: Expiration Date

Fire setbacks

Fire Setback Enforced: 1

Setback Notes: Installation complies with Section 1204 of the 2018 International Fire Code (IFC) for roof access, pathways and spacing (Sec 1204.2.1.1, Sec 1204.2.1.2 & Sec 1204.2.1.3.)

Structural & loads

Wind Speed: 115

Wind Notes: Exposure Category B

Snow Load: 5

Reducible Snow Load Allowed: 1

Max Attachment Spacing: 96

Structural Notes: Standard

Minimum Ground On Roof: #10

Electrical

Electrical Load Calcs Required: Derates

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

Plan set

Plan Set Requirements: All jobs will require a line of site analysis to show zero visibility from the street. 599 sq ft, maximum for solar panel permit must be under 600 sq ft.

Site: * **Line of sight analysis - shows the system is not visible from a public or private roadway/right of way** * Cumulative square footage of total solar array system not to exceed 600 sq. ft. * Roof plan showing the location of equipment and, if required, fire setbacks * Existing site easements, property lines, building setback lines, zoning setbacks * Typical side view detail of the solar PV system mount on the roof * Location of all existing structures and proposed PV system equipment (including modules, disconnects, inverters, panel boards, combiner boxes, storage batteries, utility meters, etc.) * Plumbing vent termination: Vent termination is not allowed under solar installations and must be relocated or modified, or an air admittance valve may be utilized in accordance with the International Plumbing Code (IPC) and/or the International Residential Code (IRC). Separate permit may be required

Attachment Detail: Show Method of sealing/flashing for roof penetrations

Electrical Diagram: Include a three-line diagram, a PV equipment manufacturer’s engineered line diagram, or a line diagram that meets the requirements of the 2020 NEC sealed by a Texas engineer. A proper line diagram should include: * AC and/or DC circuit arc fault protection as required by the NEC * Inverter listed to the UL 62109 or UL 1741 Safety Standard; photovoltaic module(s) listed to the UL 1703 safety standard. Listings conducted by a Nationally Recognized Testing Laboratory * Inverter AC output disconnect location, utility disconnect location, and AC output over-current protection device rating. * Location of combiner box(es), disconnect switch, size of source circuit overcurrent protection Service panel bus rating and main circuit breaker/fuse ampere rating * Circuit diagram with conduit, wire type and sizes, and/or cable type and wire sizes * Battery disconnects and overcurrent protection, if applicable * Equipment grounding and bonding conductors and grounding electrode conductor, if applicable * List of all appropriate labels and marking per NEC and IFC requirements Manufacturing spec to have current NEC, IFC, IBC, IRC codes * All plans to be engineered

Ground mount

Ground Mount Fencing Required: Mesh/Scrim

Ground Mount Notes: Structure plans for ground mount system Connection details to building or ground mount