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. EXPEDITED PERMIT PROCESS FOR SMALL-SCALE PV SYSTEMS <br />STANDARD STRING SYSTEM <br />The informarion in this guideline is intended to help local jurisdictions and contractors identify when PV system installations <br />are simple, needing only a basic review and when an installation is more complex. It is likely that 50%-75% of all residential <br />systems will comply with these simple criteria. For projects that fail to meet the simple criteria. resolution steps have been <br />suggested to provide as a path to permit approval <br />Requbed Infonn^tion Io" Peflnit: <br />l. Sire plan showing locarion of major components on the propeny. This drawing need nor be exactly to scale. but it <br />should represent relative location of components at site (see supplied example site plan). PV arrays on dwellings <br />with a l perimeter space at ridge and sides may nol need separate fire seryice review. <br />2. Electrical diagram showing PV array conhguratron. wiring system, overcurrent protection. inverte( disconnects. <br />required signs, and ac connection to building (see supplied standard electrical diagram) <br />3. Specification sheets and installation manuals (if available) lor all manufactured components including, but not <br />limired ro. PV modules, inverter(s). combiner box, disconnecrs, and mounting system <br />Step 1 : Structural Review o[ PV Array Mounting System <br />Is the array to be mounted on a defined, permined roof structure? Ey""Eno <br />I No due to non-compliant rooJ or a ground mount. submit completed worhsheet Jor the structure WKSI . <br />Roof Inforrnation: <br />l. Is rhe roofing type lightweight (Yes = composition, lightweight masonry. metal, etc. )YES <br />f No, submit completed worksheet for rool structure wXSl (No = heavy masonry, slate. etc.. ) <br />2. Does rhe roof have a single roof coveringZ Eyes nno <br />If No, submit completed worksheet lor roof structure WKSI . <br />I Provide method and type of weatherproohng roof penetrations (e.g. flashing, caulk)Flashing, geocell sealanl <br />M ount ing Sy s t em Inlonnation : <br />I Is the mounting structure an <br />beneath the module lrames? <br />en <br />Yes <br />neered <br />No <br />product designed to mount PV modules wirh no more than an l8 ' gap <br />IJ No, provide d,etoils oJ'structural attachment cetti"fred by a design professional. <br />2 For manufacrured mounting systems, fill out rnformation on the mounting system below <br />J N4ountlnd Svsrem Manufacturer ZeP producr Name and Model# Comp Mount Type C <br />b Toral werqhr of PV Modules and 13'15 937 62 155 <br />c Toral Number of Atrachment Points 28 <br />weighr per Arrachmenr peinl 15 - 61 33.486 lbs (if grearer rhan 45 lbs. see wKS | ) <br />Maximum Spacing Between Artachment Points on a Rail 48 inches (see product manual for <br />maximum spacing allowed based on maximum design wind speed) <br />Tolal Surface Area of PV l\4odules (square feet)312.54 <br />d <br />e <br />f <br />g <br />fi' <br />Distributed Weight of PV Module on Root (b + D 3.0 lbsifr' <br />Il distributed weight oJ the Pv slstem is greater than 5 lbstt'z. see wKSl . <br />Step 2; Electrical Review o[ PV System (Calculations for Electrical Diagram) <br />In order for a Pv s!6tem to be considered for an expedited permit process, the following must apply: <br />l. PV modules, utility.interactive inverters. and combiner boxes are identifred for use in PV systems. <br />2. The PV array is composed of 4 series strings or less per inverter. <br />3. The total inverter capacity has a continuous ac power output 13,440 watts or less <br />4. The ac interconnection point is on the load side of service disconnecting means (690.64(8)). <br />5. One of rhe standard electrical diagrams(El.l, El.l a. E l .lb, or El .l c) can be used to accurately represent the PV <br />sysLem. Interactive PDF diagrams are available at www.solarabcs.org/permitting. <br />Fill out the standard electricol diagram completely A guide to the electrical diagram is provided. to help the applicant <br />understand each blank to jll in. If the electrical system is more complex than the standard electrical diagram can ellectively <br />communicate, provide an alternatlve diqgrqm with appropriate detail. <br />2 ExpEDrrED fERMrr PRocrss roR PV sysrfMs