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<br />BUILDINGDIVISION-DPW <br />COUNTYOFHAWAl'I-101 PauahiStreet,Suite 7-Hilo,Hawai'i 96720 <br />HiloOffice(808)961-8331•Fax(808)961-8410 KonaOffice(808)323-4720•Fax(808)327-3509 <br />BulletinNo:PV2012-01 <br />Date:September17&August24,2012and revised February 13, 2014 <br />Code/Edition:HawaiiCountyCode Chapter9andthe2008NationalElectricalCode <br />(NEC) <br />Subject:Photovoltaic(PV)energysystems <br />ThefollowingclarificationsaretheresultofdiscussionsatthepublicPVworkshopsconductedon <br />September17,August 14,and15,2012,bytheDepartmentofPublicWorks: <br />A.PV-GENERAL <br />1.Inspection <br />Buildingandelectricalinspectionsmayberequestedinanyorderfollowing <br />installationofpanelsonroof. <br />B.PV-ROOFMOUNTED <br />1.Inspection <br />BuildingDivisionhasdecidedtoprovideladderstoinspectors.Intheinterim, <br />contractors,pleasecontinuetoprovideladdersandfallprotectionatthetime <br />ofinspection. <br />2.PlanReviewandApproval <br />Perthemanufacturers'literatureandICCEvaluationReportsforIronRidge <br />MountingSystemsandmountingattachments--Unirac and Solar Mount <br />systemsareapprovedforuseandmaybeinstalledtoamaximumheightof30'in <br />WindZonesA,B,CorDandSeismicZonesA,B,C,orD. Notrequireis a <br />licensedHawai'istatearchitectorstructuralengineerreviewandapproval(a <br />professionalstamp). ApplicationswithinWindExposureD(1/4mileofthe <br />ocean)and/orSeismicZonesEorFrequirealicensedHawai'istatearchitector <br />structuralengineerreviewandapproval. <br />3.HawaiiEngineeringGroup,Inc.presidentAtherR.Dar,PE,certification, <br />specifications, anddetailsprovidedonSeptember5,2012--GraceSolarGrasol <br />roofmountingstandardaluminum(6005-T5)railisapprovedforuse,andmay <br />beinstalledonresidentialhomeswithgableroofsinWindZonesA,B,C,orD <br />andSeismicZonesA,B,C,DorE. Approvalandprofessionalstampisnot <br />requiredfromalicensedHawaiistatearchitectandorstructuralengineer. <br />4.Murar Engineering & Design Inc, Kevin MurarPE & SE, revised the SunEarth <br />SolarStrut photovoltaic racking system and found it in accordance with wind and <br />seismic design requirements for Hawai‘i island. The requirements are acceptable <br />up to a seismic design category E or less. <br />Thankyouagainforyourparticipation.For questions, pleaseemailNeilErickson, Plans <br />ExaminingManager --nerickson@co.hawaii.hi.us <br />Issuedby: DavidYamamoto, BuildingDivisionChief <br />TheCountyofHawai'iisanEqualOpportunityEmployerandProvider <br />