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Bureau of Development Services <br /> Program Guide — Solar Water Heating and Photovoltaic Electric Generators <br /> 4111, Installed on One or Two Family Dwellings <br /> Page 4 of 14 <br /> December 1, 2010 <br /> of the Oregon Solar Installation Specialty Code (OSISC). The prescriptive <br /> requirements as described in section 305.4 of OSISC are assumed to meet the <br /> residential code requirements and therefore will not require the system be <br /> designed by a registered Oregon engineer. Use the checklist attached to the <br /> back of this code guide to determine if your system would qualify for the <br /> prescriptive path. All other systems that do not meet the prescriptive <br /> requirements are required to be designed by an engineer registered in Oregon. <br /> C. Plumbing and Electrical <br /> All portions of the installation of solar systems governed by the plumbing or <br /> electrical portions of the residential code shall comply with the respective <br /> requirements of each code section at the time of completion of the project. In <br /> general, plumbing or electrical plan review is not required for the installation of <br /> residential solar systems, but electrical and plumbing permits must be obtained <br /> either as separate permits, or combined with the residential building permit. In all <br /> instances, field inspection is required to verify code compliance. <br /> V. PERMITS <br /> A. General Requirements <br /> 1. Alterations <br /> When a solar system is added to an existing one or two family dwelling, the <br /> installation is considered an "alteration". Under the provisions of the <br /> residential code, all alterations must meet the code requirements for new <br /> construction. Permits for solar installations qualifying as alterations may be <br /> processed in one of two ways: <br /> a. Through the traditional permitting system; or <br /> b. Through the Field Issuance Remodel (FIR) program. <br /> The specific requirements of each of these two processes are described in <br /> detail under B. Application Process. <br /> 2. New Construction <br /> Solar panels that are included in the construction of a new one or two family <br /> dwelling will be processed in conjunction with the new construction permit. <br /> In all instances, the type of solar system to be installed shall be clearly <br /> indicated with the application documents and all necessary permits shall be <br /> L obtained before installation of the system. <br /> `r B. Application Process <br /> All solar installations shall be submitted for permit review. <br />