HomeMy WebLinkAbout20173312 - Permit (2)EXPEDITED PERMIT PROCESS FOR PV SYSTEMS
STANDARD STRING SYSTEM
The Solar America Board for Codes and Standards (Solar ABCS) Expedited Permit Pro-
cess provides a means to differentiare systems thar can be permitted quickly and easily
due to their similarity with the majority of small-scale PV systems. Those systems with
unique characteristics may be handled with small additions to this Expedited Permit
Process or may require much more information, depending on the uniqueness of the
installation.
The following pages contain forms for the Standard String System to use with the Expe-
dited Permit Process. The Micro-lnverter, AC Module, and Supply-Side Connection forms
are also available as interactive PDF files at wwwsolarabcs.org/permitting. In jurisdic-
tions that have adopted the Expedited Permit Process for PV Systems, these forms can
be filled out electronically and submitted in either printed form and via email. An elec-
tronic format is used so that the supplied information is sEndardized and legible for the
local jurisdiction.
Zot't 33lz- So,_r,-
EXPEDITED PERMIT PROCESS FOR PV SYSTIMS
EXPED1TED PERMIT PROCESS FOR SMALL.SCALE PV SYSTEMS, STANDARD STRINC SYSTEM
The information in this guideline is intended to help local jurisdictions and conractors identiry when PV system installations
are simple, needing only a basic review and when an installation is more complex. lt is likely that 50 % -75 % of all residential
systems will comply with these simple criteria. For projects rhar fail to meet the simple criteria, resolution steps have been
suggested ro provide as a path to permit approval.
Requbed hforrnation for Permit:
l. Site plan showing location of major components on the property. This drawing need not be exactly to scale. but it
should represent relative location of components at site (see supplied example site plan). Pv arrays on dwellings
with a 3'perimerer space at ridge and sides may not need separate hre service review.
2. Electrical diagram showing PV array configuration, wiring system, overcurrent protection, inverte( disconnects,
required signs, and ac connection to building (see supplied standard electrical diagram).
5. Specifrcarion sheets and insEllation manuals (if available) for all manufactured components including, but nor
limited to, PV modules, inverter(s), combiner box, disconnects, and mounting system.
Step 1 : Structural Review of PV Array Mounting System
Is the array to be mounted on a defined, permitted roof structure?ves E r,lo
U No due to non-compltant roof or a ground mount, submit completed worksheet lor the structure WKS I
Rooj lr{onnation:
l. Is the roofing type lighrweight (Yes = composition, lightweight masonry, metal, etc...)YES
If No, submit completed worksheet lor rooj structure WKSI (No = heavy masonry, sbte, etc. . .)
2. Does rhe roof have a single roof coveringu Eves !no
If No, submit completed. worksheet for rcof structure WKSI .
3. Provide method and rype of weatherproofing roof penerrations (e.g. flashing, caulk)UNIRAC FLASHKIT. CAULK
M offiting Sy s t em Informat ion :
L ls the mounting structure an
beneath the module frames?
Mounting Sysrem Manufacturer UNIRAC Producr Name and Model # u rR^c su LTGHIR^L SOI-AR MOUNTRACKTNG SYSTEM
Total Weig ht of PV Modules 2n6 n2115 630 Ibs
Total Number of Attachmenr Points 20
weight per Artachment Point (b - c) 31 5 lbs (if greater than 45 lbs, see wKS I )
Maximum Spacing Between Attachment Points on a Rail 48 inches (see product manual for
maximum spacing allowed based on maximum design wind speed)
Total Surtace Area of PV Modules (square feet)251.58 fr,
Distributed weight of PV Module on Roof (b + 0
U distributed weight ol the PV systefi is greatet than 5 lbstf , see WKSI .
Step 2: Electrical Review o[ PV System (Calculations lor Electrical Diagram)
In order for a PV system to be considered for an expedited permit process, the following must apply:
1. Pv modules, utility-interactive inverrers, and combiner boxes are idenrihed for use in Pv sysrems.
2. The PV array is composed ol4 series strings or less per inverter.
3. The toral inverrer capacity has a continuous ac power output 15,440 Watts or less
4. The ac inlerconnection point is on the load side of service disconnecting means (690.64(8)).
5. One of rhe standard electrical diagrams (El.1, El.l a, El .l b, or El.lc) can be used to accurarely represenr rhe PV
system. Interactive PDF diagrams are available at www.solarabcs.org/permitting.
Fill out the standdrd electical diagram completely. A guide to the electrical diagram is provided to help the applicant
understand each blank tofU in. U the electTical system is more complex than the standard electrical diagram can effectively
communtcate, provide an alternative diagram with appropriate detdil.
2 EXPEDITED PERMIT I'}ROCESS FOR PV SYSTEMS
a
b
c
d
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A No, provide detaib of siuctural attachment certified by a design professional.
2. For manufactured mounring sysrems, fill out information on the mounting system below:
2.50 lbs/fC
engrneered product designed to mount PV modules with no more than an 18" gap
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