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EXPEDITED PERMIT PROCESS FOR SMALL_SCALE PV SYSTEMS STANDARD STRING SYSTEM The inlormarion in this guideline is intended to help local.,urisdictions and contractors identifi/ when PV sys(em insullarions are simple, needing only a basic review and when an installation is more complex It is likely that 50%-75% of all residenlial systems willcomply with these simple criteria. For projects that fail to meet the simple criteria, resolution sreps have been suggested to provide as a path to permit approval. Requbed Inforlnation for Permit: I Site plan showing location of major components on the property. This drawing need nor be exactly ro scale, bur it should represent relative location of componen$ at sire (see supplied example sire plan). PV arrays on dwellings with a 3 perimeter space at ridge and sides may not need separate frre service review. 2. Electrical diagram showing PV array configuration, wiring system, overcurrenr prorecrion. inveflet disconnects, required signs, and ac connection ro building (see supplied srandard elecrrical diagram). 3 Specihcation sheets and insrallation manuals (if available) for all manufactured components including, bur nor limited to, PV modules. invener(s). combiner box, disconnecrs. and mounring sysrem Step 1 : Structural Review o[ PV Array Mounting System Is the array to be mount€d on a dehned, permitted roof structure? E Ye" E r,ro U No due to non-compltan( roo! or a ground mount, submtt completed vrorhsheet Jor the structure wKSl . RaJ bforma.tiott: I ls the roofing type lightweight (Yes = composition, lighrweighr masonry, meral. erc ) YES IJ No, submit completed worhsheet Jor roof structurc WXSI (No = heayy masonry slate. etc ..) 2 Does the roof have a single roof coveringz pvss ! No Il No, submit completed worhsheet Jor rcol stl-uctute WKS L f Provide method and type of weatherproohng roof penetrations (e g nashing, caulk)flashing and M1 caulk M ounting Sy s t en Infofl nation : I ls lhe mounting structure an glgineered producr designed to mount PV modules with no more than an IS gap benearh rhe module framesz Ll Yes Ll No IJ No, proid.e details of structural dttachment certif.ed W a designprclessionaL 2 For manufaclured mounting systems. frll out rnformalion on the mountin Product Name and Mode g sys tem below l# crossrail 48a itlounting System N4anufacturer eve rest b Total Weight of PV Modules and Rai ls 1379 bs c Total Number of Attachment Points b d Werght per Attachment Poinl (b + c)23 e Maximum Spacing Between Attachment Pornts on a Rai b I s {rf srearer than48"45 lbs, see WKS I ) nches (see product manual for maximum spacrng allowed based on maxrmum desrqn wrnd speed) I Total Surface Area ol PV Vodules ,rou"r" f".,,487 tt'? g,Di5tributedweightorPVModu|eon.ooortu-0Eu,lr., f distributed. weight oJ the Pv system is greater than 5 lbsff , see WI<SI - Step 2, Electrical Review o[ PV System (Calculations lor Electrical Diagram) In order for a Pv system to be considercd for an expedited permit process, the following must apply: L PV modules, utility-interactive inverters, and combiner boxes are idenrified for use in PV sysrems 2 The PV array is composed of 4 series strings or less per inverter 3. The total inverter capacity has a continuous ac power output I f,440 \4htts or less 4 The ac inrerconnection point is on the load side ol service disconnecting means (690.64(8)). 5 One ofthe standard electrical diagrams (El l,El Ia.El lb,orEl lc) can be used ro accurarely represenr rhe PV system. lnteractive PDF diagrams are available ar www.solarabcs.org/permirting. Fill out the stand.ard electrical diagaam completely. A guide to the electricdl diqgram is provided to help the qplicant understdnd eo.ch bl6nk to jU in. If the electrical slstem is more complex than the standatd electrical diagram can efJectively communicate, Wovide o.n altematiye diagtam with appropriate detaiL 2 ExptDlrED P[RMlr l,Roc[ss FoR PV SysrlMs