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Solar PV fire safety

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This presentation details out fire safety issues with small PV systems, and related safety best practices. Several links are available directing to more detailed reports. For more similar free …

This presentation details out fire safety issues with small PV systems, and related safety best practices. Several links are available directing to more detailed reports. For more similar free resources on renewable energy please visit www.redocs.co

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  • Fire-resistive construction Generally not an issue for “equipment” Installations which establish a “roof” require supporting elements to comply with fire protective standards based on the type of building construction Alternative means and methods of construction may be considered when deemed appropriate by the Building Official Example: Use of non-combustible steel primary frame construction for a solar PV shade canopy on top of an existing Type IIIA building, in lieu of requiring 1-Hr fire protection Skylight/plumbing vent/mechanical equip/exhaust terminations Special consideration should be given to ensure proper clearances around typical roof-top features to avoid interference or obstruction. Roof Classification (UL 1703) When there is no use underneath , solar PV installations are generally considered to be equipment No fire-retardant roof covering requirement No fire sprinkler requirement Local WUI considerations may apply, such as debris screens When the there is a sheltered use underneath , solar PV installations are generally considered a roof element Fire-retardant roof classification applies Additional floor area may be created Additional story and building height may become a consideration Type of Building Construction may become a consideration Solar PV installations that consist of sufficiently spaced arrays and open structural support systems that allow free dissipation of heat and gasses may, upon consideration by the Building Official, constitute equipment rather than a roof element See CRC R202
  • Transcript

    • 1. Improving PermitReview and Approvalfor Small SolarPhotovoltaic (PV)SystemsFire SafetyRequirementsNovember 1, 2012Presented by:Stuart Tom, ICC/LABCKevin Reinertson, OSFMRon LaPlante, DSA
    • 2. Fire Safety – Small SolarFire Safety – Small SolarPhotovoltaic (PV) SystemsPhotovoltaic (PV) SystemsObjectiveObjectiveTo provide building and fire officials withTo provide building and fire officials withan awareness of fire safety provisions foran awareness of fire safety provisions forphotovoltaic systems, so that informedphotovoltaic systems, so that informeddecisions to mitigate potential hazards aredecisions to mitigate potential hazards aremade to ensure operational safety duringmade to ensure operational safety duringan emergency, reduce fire hazards andan emergency, reduce fire hazards andminimize economic impacts.minimize economic impacts.
    • 3. Fire Safety – California SolarFire Safety – California SolarPermitting GuidebookPermitting Guidebook The California Solar Permitting Guidebook wasThe California Solar Permitting Guidebook wasdesigned to help local governments and theirdesigned to help local governments and theirpermitting agencies improve permitting of smallpermitting agencies improve permitting of smallsolar PV systems.. It is also designed to helpsolar PV systems.. It is also designed to helpbuilding owners and solar installers navigatebuilding owners and solar installers navigatepermitting as efficiently as possible.permitting as efficiently as possible. The guideline includes current fire safetyThe guideline includes current fire safetyprovisions and provides clarification of certainprovisions and provides clarification of certainfire safety provisions not specifically addressedfire safety provisions not specifically addressedin the California Building Standards Code.in the California Building Standards Code.
    • 4. Fire Safety – California SolarFire Safety – California SolarPermitting GuidebookPermitting GuidebookProvisionsProvisionsFire Classification RequirementsFire Classification RequirementsFire Service ApprovalFire Service ApprovalSolar PV panels used as roofing on anSolar PV panels used as roofing on anindependent (stand-alone) structureindependent (stand-alone) structureSolar PV panels installed as a part of aSolar PV panels installed as a part of abuilding’s roof structurebuilding’s roof structureSolar PV systems installed on gradeSolar PV systems installed on gradeArea, height, and story limitationsArea, height, and story limitations
    • 5. Fire Safety – California SolarFire Safety – California SolarPermitting GuidebookPermitting GuidebookProvisionsProvisions (continued)(continued)Location from property line and adjacentLocation from property line and adjacentbuildingsbuildingsFire proofing of structural supportFire proofing of structural supportRooftop structuresRooftop structuresFire sprinklersFire sprinklersSignage/markingSignage/markingOther fire safety requirements or guidelinesOther fire safety requirements or guidelines
    • 6. Fire Safety – California SolarFire Safety – California SolarPermitting GuidebookPermitting GuidebookProvisionsProvisions (continued)(continued)Coordination between the BuildingCoordination between the BuildingDepartment and the Fire AuthorityDepartment and the Fire AuthorityExample MOU (memorandum ofExample MOU (memorandum ofunderstanding) a template agreementunderstanding) a template agreementbetween two local agencies to coordinatebetween two local agencies to coordinatepermit review approval and inspectionpermit review approval and inspectionbetween a local building department and abetween a local building department and alocal fire servicelocal fire service
    • 7. Fire Safety – Office of the StateFire Safety – Office of the StateFire Marshal’s PV GuidelineFire Marshal’s PV Guideline The SFM guideline was developed with fire safetyThe SFM guideline was developed with fire safetyas the principal objective. The solar photovoltaicas the principal objective. The solar photovoltaicindustry had been presented with certainindustry had been presented with certainlimitations in roof installations due to firefightinglimitations in roof installations due to firefightingsuppression techniques.suppression techniques. The intent of the guideline is to provide the solarThe intent of the guideline is to provide the solarphotovoltaic industry with information that willphotovoltaic industry with information that willaid in the designing, building, and installation ofaid in the designing, building, and installation ofsolar photovoltaic systems in a manner thatsolar photovoltaic systems in a manner thatshould meet the objectives of both the solarshould meet the objectives of both the solarphotovoltaic industry and the Fire Service.photovoltaic industry and the Fire Service.
    • 8. Fire Safety – Office of the StateFire Safety – Office of the StateFire Marshal’s PV GuidelinesFire Marshal’s PV GuidelinesProvisionsProvisionsPublished final draft April 2008Published final draft April 2008Adoption of this guideline is optionalAdoption of this guideline is optionalGuideline does not apply unless specificallyGuideline does not apply unless specificallyadopted by local ordinance by a localadopted by local ordinance by a localenforcing agencyenforcing agency
    • 9. Fire Safety – Office of the StateFire Safety – Office of the StateFire Marshal’s PV GuidelinesFire Marshal’s PV GuidelinesProvisionsProvisions (continued)(continued) Marking/SignageMarking/Signage Access, Pathways And Smoke VentilationAccess, Pathways And Smoke Ventilation Location Of Direct Current ConductorsLocation Of Direct Current Conductors Non-Habitable BuildingsNon-Habitable Buildings Ground Mounted Photovoltaic ArraysGround Mounted Photovoltaic Arrays
    • 10. 2013 California Building, Fire2013 California Building, Fireand Residential Code and PVand Residential Code and PV 2013 California Building, Residential and2013 California Building, Residential andFire Code (Based on the 2012 EditionFire Code (Based on the 2012 EditionInternational Building, Residential and FireInternational Building, Residential and FireCode (IBC, IRC, IFC))Code (IBC, IRC, IFC)) 2012 IFC Section 605.11 developed and2012 IFC Section 605.11 developed andproposed by the Office of the State Fireproposed by the Office of the State FireMarshal and the National Association ofMarshal and the National Association ofState Fire Marshal’s derived from the SFMState Fire Marshal’s derived from the SFMPV GuidelinesPV Guidelines
    • 11. 2013 California Building, Fire2013 California Building, Fireand Residential Code and PVand Residential Code and PV Proposed modifications for the 2013Proposed modifications for the 2013California Building Standards Codes:California Building Standards Codes:• Area, height, and story limitationsArea, height, and story limitationsCBC Section 503.1CBC Section 503.1• Types of construction CBC Section 602.1Types of construction CBC Section 602.1• Fire sprinkler protection Exempt locationsFire sprinkler protection Exempt locationsCBC/CFC Section 903.3.1.1.1CBC/CFC Section 903.3.1.1.1• Roof assemblies and rooftop structures FireRoof assemblies and rooftop structures FireClassification Requirements CBC Chapter 15Classification Requirements CBC Chapter 15and CRC Chapter 9and CRC Chapter 9
    • 12. 2013 California Building, Fire2013 California Building, Fireand Residential Code and PVand Residential Code and PV Proposed modifications (continued):Proposed modifications (continued):• 2012 IFC Section 605.11 to be incorporated2012 IFC Section 605.11 to be incorporatedinto the 2013 California Building Section 3111into the 2013 California Building Section 3111and 2013 California Residential Code Sectionand 2013 California Residential Code SectionR331R331
    • 13. Fire Safety – PV ResourcesFire Safety – PV Resources California Solar Permitting GuidebookCalifornia Solar Permitting Guidebookhttp://http://osfm.fire.ca.gov/pdf/firemarshal/Californiaosfm.fire.ca.gov/pdf/firemarshal/California_Solar_Permitting_Guidebook.pdf_Solar_Permitting_Guidebook.pdf SFM Solar Photovoltaic InstallationSFM Solar Photovoltaic InstallationGuidelineGuidelinehttp://osfm.fire.ca.gov/training/pdf/photohttp://osfm.fire.ca.gov/training/pdf/photovoltaics/solarphotovoltaicguideline.pdfvoltaics/solarphotovoltaicguideline.pdf
    • 14. Fire Safety – PV ResourcesFire Safety – PV Resources On the State Fire Marshal’s Office website you can findOn the State Fire Marshal’s Office website you can findthe “the “Solar Photovoltaic GuidelinesSolar Photovoltaic Guidelines” with two training” with two trainingprograms:programs:• ““The Fundamentals of Photovoltaics for the FireThe Fundamentals of Photovoltaics for the FireServiceService” an awareness level training program that” an awareness level training program thatyou can deliver right now to your firefighting staffyou can deliver right now to your firefighting staff• ““Fire Operations for Photovoltaic EmergenciesFire Operations for Photovoltaic Emergencies””an operational level proposed FSTEP student manualan operational level proposed FSTEP student manual• http://osfm.fire.ca.gov/training/photovoltaics.phphttp://osfm.fire.ca.gov/training/photovoltaics.php Both classes provide firefighters with the essentialBoth classes provide firefighters with the essentialbackground information they need to make informedbackground information they need to make informeddecisions on the fire ground. Instructor Training CDsdecisions on the fire ground. Instructor Training CDsavailable through the SFT Bookstore.available through the SFT Bookstore.
    • 15. Fire Safety – PV ResourcesFire Safety – PV Resources Firefighter Safety and PhotovoltaicFirefighter Safety and PhotovoltaicInstallations Research ProjectInstallations Research ProjectUnderwriters Laboratories Inc.Underwriters Laboratories Inc.Issue Date: November 2011Issue Date: November 2011 Fire Fighter Safety and EmergencyFire Fighter Safety and EmergencyResponse for Solar Power SystemsResponse for Solar Power SystemsNFPA – Fire Protection ResearchNFPA – Fire Protection ResearchFoundation Issue Date: May 2010Foundation Issue Date: May 2010
    • 16. Thank You !!Thank You !! For further information;For further information; For additional copies of this handout;For additional copies of this handout; For a copy of this PowerPointFor a copy of this PowerPointpresentation;presentation; Contact:Contact:Osama Younan at (213) 482-7407Osama Younan at (213) 482-7407
    • 17. Note – This presentation is not owned by RE-Docs. It has simply been shared for widerdissemination because of its useful content. The author have been clearly acknowledged onwww.redocs.co In case of any issues you may contacts us at www.redocs.co/contactVisit us onwww.redocs.coyour personal library on REVisit us onwww.redocs.coyour personal library on REHope you found the presentation useful!for similar useful material