Fillable Electrical Permit Checklist for Residential Solar Photovoltaic Systems (City of Sammamish)

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Electrical Permit Checklist for Residential Solar Photovoltaic Systems (City of Sammamish)

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Electrical Permit Checklist for Residential Solar Photovoltaic Systems Page 1 of 2
Updated 4/17/2019
Department of Community Development
801 228th Avenue
SE
Sammamish, WA 98075-9509
Phone: 425-295-0500
Fax: 425-295-0600
Web: www.sammamish.us
www.mybuildingpermit.com
SMC 16.05.153
LAND USE APPLICATION
Electrical Permit Checklist for Residential Solar Photovoltaic Systems
Contractors must complete and submit this checklist, a roof layout of solar panels and a one-line diagram online at
MyBuildingPermit.com or in person at City Hall.
Project Address:
Parcel Number(s):
Property Owner:
Owner Phone:
Contractor Name:
Contractor License No.:
Contractor Phone:
Yes
No
N/A
PV modules, inverters, and combiner boxes are identified for use in PV systems
☐ ☐
The inverters are listed and labeled in accordance with UL 1741 and are listed for utility
interaction. [WAC 51-51 M2302.4]
☐ ☐
The AC interconnection point is on the load side of service disconnect. [NEC 705.12(B)]
☐ ☐
The system meets all current NEC, City and Washington Cities Electrical Code
requirements
☐ ☐
For Split-Bus modules, the AC interconnection is one of the six service disconnects.
☐ ☐ ☐
Is the system grounded or ungrounded?
☐ ☐
Has DC Ground-Fault Protection been provided and properly labeled?
☐ ☐
Is the PV disconnect permanently marked and installed in a readily accessible location?
☐ ☐
Are PV source or output circuits on or inside a building in a metal raceway and marked?
☐ ☐
Has the system been grounded at one single point ?
☐ ☐
Are the mounting structures or systems used for equipment grounding ?
☐ ☐
Has the grounding electrode system been installed?
☐ ☐
Maximum load added to the panelboard is based on the rating of the panelboards bus/main OCPD combination.
Maximum inverter OCPD may be no greater than 120% of the panelboard bus rating minus the panelboard main
Project Information
Electrical Permit Submittal Checklist
Electrical Permit Checklist for Residential Solar Photovoltaic Systems Page 1 of 2
Updated 4/17/2019
I have attached an Electrical One-Line Diagram that includes:
☐
Wire sizes
☐
Metering
☐
Overcurrent devices and sizing
☐
Conduit Sizes
☐
Grounding electrode
conductors
☐
Disconnect co-located with
production meter
Comments:
Provide manufacturer’s specification sheet for all components but not limited to:
1.
Modules
2.
Inverter
3.
Microinverter
4.
Power Optimizers
5.
Any Alternate Power Sources
6.
Mounting/racking systems
All required markings and labels are provided
A diagram of the roof layout of all panels, modules, clear access pathways and approximate locations of
electrical disconnecting means and roof access points.
OCPD rating in accordance with NEC 705.12(D)(2)(3)(b)
Acceptable combinations include (check combination that applies):
☐
100 amp bus/100 amp main OCPD - 3,840 watts, maximum 20 amp inverter OCPD.
☐
125 amp bus/100 amp main OCPD - 9,600 watts, maximum 50 amp inverter OCPD.
☐
125 amp bus/125 amp main OCPD - 4,800 watts, maximum 25 amp inverter OCPD.
☐
150 amp bus/150 amp main OCPD - 5,760 watts, maximum 30 amp inverter OCPD.
☐
200 amp bus/200 amp main OCPD - 7,860 watts, maximum 40 amp inverter OCPD.
☐
225 amp bus/225 amp main OCPD - 8,640 watts, maximum 45 amp inverter OCPD.
☐
225 amp bus/200 amp main OCPD - 13,440 watts, maximum 70 amp inverter OCPD.
☐
Other - Electrical Permit with Plan Review Required
Note 1:
Listed un-altered factory main/bus combination. Alteration of the panelboard main OCPD will require
plan review.
Note 2:
The circuit conductors and overcurrent devices shall be sized to carry not less than 125 percent of the
maximum currents as calculated in 690.8(A). The rating or setting of overcurrent devices shall be permitted in
accordance with 240.4(B) and (C). NEC 690.8(B)(1)
Note 3:
If a panelboard employs a snap switch rated 30 amperes or less in any branch circuit, it cannot be rated
more than 200 amperes unless there is a supply side overcurrent protection at 200 amperes or less within the
panelboard. This requirement does not apply to panelboards equipped with circuit breakers. Section 408.36(A)
of the NEC.
Electrical Permit Manufacturer’s Specification Sheet Requirements
Electrical Permit Checklist for Residential Solar Photovoltaic Systems Page 1 of 2
Updated 4/17/2019
Yes
No
PV system is designed and proposed for a detached one- or two-family dwelling or townhouse
not more than three stories above grade or detached accessory structure that is code
compliant to setbacks and height, or code allows expansion of nonconformity for solar
modules.
☐ ☐
Modules installed do not exceed the highest point of the roof.
☐
☐
Specify roof pitch (rise/run):
Rooftop is made from lightweight material such as a single layer of composition shingles,
metal roofing, lightweight masonry, or cedar shingles.
☐ ☐
The installation will comply with the manufacturer's instructions.
☐
☐
The installation will meet the requirements of NFPA 70 National Electric Code, and all required
electrical permit(s) must be obtained from the Authority Having Jurisdiction to administer the
electrical code.
☐
☐
The installation will meet the requirements of the International Fire Code as amended by WA
State. If yes, indicate which option will be used to meet the IFC access regulations:
☐
The dwelling will be sprinklered, so no access pathways are required
The total array does not exceed 33% of the total roof area and does not exceed
1,000 sq. ft. in total area and 18" minimum unobstructed pathways will be provided
along each side of all horizontal ridges
☐
Pathways meeting IFC Sections 605.11.3.2.1 through 605.11.3.2.4 are to be
provided
☐ ☐
The PV system is designed for the wind speed of the local area, and will be installed per the
manufacturer's specifications
☐
☐
The ground snow load does not exceed 70 pounds per square foot.
☐
☐
Total dead load of modules, supports, mountings, raceways and all other appurtenances weigh
no more than four pounds per square foot.
☐
☐
Enter total dead load of system (psf):
To address uplift, modules are mounted no higher than 18" above the surface of the roofing to
which they are affixed.
☐ ☐
Supports for solar modules are installed to spread the dead load across as many roof-framing
members as needed to ensure that no point load exceeds fifty (50)pounds.
☐
☐
The photovoltaic modules and supporting structure will be constructed of noncombustible
materials or fire-retardant treated wood equivalent to that required for the roof construction.
☐ ☐
Roof and wall penetrations will be construction. flashed and sealed to prevent entry of water,
rodent, and insects.
☐
☐
Building Permit Exemption Checklist
Electrical Permit Checklist for Residential Solar Photovoltaic Systems Page 1 of 2
Updated 4/17/2019
PV modules are listed and labeled with a fire classification in accordance with UL 1703. [IRC
M2302.2.3]
☐ ☐
If you answered yes to all of the above questions in Section 3, your project does not require a building permit. An
Electrical permit is still required.
As the property owner or authorized representative of the above listed property, I attest that all information in
this checklist is accurate to the best of my knowledge. Inaccurate information may result in having to modify or
remove the installation.
Owner/Agent Name Printed:
Owner/Agent Signature: Date:
Acknowledgements
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Electrical Permit Checklist for Residential Solar Photovoltaic Systems (City of Sammamish)

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Completed 24 January 2021

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