HomeMy WebLinkAbout13 Review of the Proposed Solar Awning and PV ProjectAgendaItem#13TRUCKEEDONNERPublicUtilityDistrictWORKSHOPTo:BoardofDirectorsFrom:KeithRenshawDate:April03,2019Subject:ProposedSolarAwning&PVProjectforDistrictOffices1.WHYTHISMATTERISBEFORETHEBOARDThisworkshopitemprovidestheBoardwithareviewofaproposedsolarawningtobeconstructedfortheDistrict’smainofficebuilding.2.HISTORYTheDistrict’smainofficebuildingwasconstructedinthemid-1980’s.Thedownstairslobbyandofficeswereremodeledin2018.Theupstairsofficesarelargelyoriginal,withrenovationplannedforFY19-FY2O.Also,severalyearsago,significantimprovementsweremadetothelighting,HVAC,andcontrolsytemsthroughoutthebuilding.Theseupdateshaveimprovedbuildingefficiency.Thisbuildinghaslargebanksofsouth-facingwindowswhichprovidewelcomesunexposureduringthefallandwintermonths.However,duringthespringandsummertheupstairsspaceexperiencessignificantsolarwarming.Currently,theDistrictmitigatesthiswarmingthroughtheuseofwindowshadescreensandwindowACunits.Evenwiththesemeasuresinplace,theupstairsofficesbecomeuncomfortablywarmduringthesummermonths.3.NEWINFORMATIONStaffhasidentifiedapotentialsolutionwhichistoinstallabuilding-mountDCphotovoltaic(solar)awningalongthesouth-facingwindows.Thebenefitsofthisprojectaremulti-foldastheyreduceDistrictenergyuse,generatelocalrenewableenergy,provideavisibleprojecttohelpeducatethecommunity,andprovideshade.StaffispreparingaRequestforProposals(REP)tosolicitproposalsfromqualifiedfirmsforplanninganddesignservicesforasolarawningsystem.Thesolarawningisproposedtoprovideshadefortheentirelengthofthesouth-facingwall,andmayincludeincludetheeastandwestfacesofthebuilding,ifpractical.ThisREPalsoprovidestheopportunitytoconsiderothersolarprojectsandwillrequiretheconsultanttocompleteafeasibilitystudyandbudgetaryestimateforaPVcarportoverthestaff/Boardparkingareainthenorthparkinglot.
Theproposedscheduleforthisprojectisasfollows:April3,2019-Workshoptodiscussproject(tonight);April10,2019-IssueREPforSolarAwning&PVDesignservices;May15,2019-REPsdue;June5,2019-Boardconsiderationofacontractfordesignservices;October2,2019-ConductBoardworkshoponproposeddesign;LateOctober2019-Stafftobeginassemblingmaterialandconstructionbiddocuments;March2020-SolicitBids;May,2020-BoardconsiderationofaConstructionContract;June2020-Beginconstruction;andNovember2020-Constructioncompletion.4.FISCALIMPACTThereisnodirectfiscalimpactassociatedwiththisWorkshopItem.AdditionalprojectcostinformationwillbecommunicatedtotheBoardwhencostofdesignandengineeringservicesbecomeavailable.5.RECOMMENDATIONReviewandprovidecommenttostaff.JoeHorvathMichaelD.HolleyElectricUtilityDirectorGeneralManager