Guidelines for Permitting a Residential Photovoltaic Roof Mounted System_120412

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PG:Be 11 This worksheet, to be completed by the applicant, is required for residential PV system applications. If the drawings are prepared and stamped by a Hawaii registered professional architect or structural engineer, then the worksheet is not required. The installation of a roof mounted PV system can be complex and it is recommended (but not required) that the stricture be reviewed by a registered professional architect or structural engineer. U W.11► M.11►1 /► A) Building 1) A location site plan must be to scale showing the location of major strictures on the property 1" = 20' or larger is preferred. Provide legal owner's name and tax map key on each drawing. 2) A roof plan (scale 1/8" = 1'-0") with PV arrays on dwellings with a minimum of 10 -inches clear space along the roof ridge. ICC Evaluation Service Acceptance (711teria For Modular Framing ,Systems Used to ,Support Photovoltaic Modules AC l28 3.1.3.1.1 and ASCE-7 Figures 6-11. (1) PV modules shall slot be installed urithin 10 inches of a roof edge or ridge; (?) The distance betiveen the roof or urall stn face and the PV module must be behreen 2 and 10 inches; (3) A mininium gap q/ 0.75 inch must exist behreen PV modules and adjacent i-otivs of modules. (See Exhibit A) a) Show array supports, framing members. b) Provide information on roof mounting structure(s) constriction. c) Detail the module attachment method. B) Electrical (See Exhibits B -C) 1) Location plan showing strictures and their vicinity 1" = 20' or larger is preferred. 2) Provide information on roof mounting systems. 3) A standard electrical diagram showing PV array configuration, wiring system, over current protection, inverter, disconnects, required markings or labels and AC connection to the building. 4) Provide specification sheets, and installation manuals for all manufactured components including, but not limited to PV modules, inverters, combiner box, and mounting system. These will be returned after the review. 5) The electrical diagram (E1.1) maybe used to accurately represent the PV system. 6) Please indicate the methods and product for this installation. Refer to the PV bulletins for the list of County pre approved PV mounting systems. 7) For Barriers, refer to NEC 690-31 on Wiring. C) Field revisions will require two sets of "as -built" drawings for review and approval. FEES Calculate the fees for all the work to be performed on the electrical permit application and building permit worksheet. On the building permit worksheet, complete the "Estimated Valuation for all work to be performed."