{"id":"iwuic-2024-prescott-class-3-one-hour-eave","license":"CC-BY-4.0","data":{"title":"Prescott 2024 IWUIC Class 3 one-hour eave path","shortName":"Prescott Class 3 one-hour eave","summary":"Prescott adds material approved for at least one-hour fire-resistance-rated construction as one protection path for the exposed underside of Class 3 eaves and soffits.","framing":"A documented duration can support this path, but the evidence must cover the eave or soffit construction. Complete underside protection, fascia backing, City risk class, project trigger, and official approval remain checks.","kind":"code","instrumentId":"iwuic-2024","jurisdiction":"City of Prescott Class 3 ignition-resistant construction","placeIds":["us-az-prescott"],"appliesToCategories":["eaves"],"quotedText":"materials approved for not less than 1-hour fire-resistance-rated construction","source":{"title":"Prescott City Code 6-2, Section 506.6","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"},"constraints":[{"attribute":"fireResistanceMinutes","op":"gte","value":60}],"relatedStandards":["iwuic"],"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z"},"applications":[{"id":"iwuic-2024-prescott","title":"Prescott 2024 IWUIC application","instrumentId":"iwuic-2024","placeId":"us-az-prescott","status":"active","geographicScope":"incorporated-boundary","scopeSummary":"Prescott declares its entire incorporated city boundary a WUI, applies its amended 2024 IWUIC there, and uses City predictive modeling and GIS to assign extreme/IR1, high/IR2, or moderate/IR3 construction; boundary, project, risk-class, effective-date, and official checks remain open.","adoptedOn":"2026-05-12T00:00:00.000Z","requirementIds":["iwuic-2024-class-1-2-20-minute-exterior-door","iwuic-2024-class-1-2-class-a-roof-assembly","iwuic-2024-class-1-2-multilayered-glazing","iwuic-2024-class-1-2-noncombustible-deck","iwuic-2024-class-1-2-noncombustible-exterior-door","iwuic-2024-class-1-2-noncombustible-exterior-wall","iwuic-2024-class-1-2-solid-core-exterior-door","iwuic-2024-class-1-noncombustible-eave","iwuic-2024-class-1-wall-base-protection","iwuic-2024-class-2-solid-eave-enclosure","iwuic-2024-noncombustible-gutters","iwuic-2024-roof-profile-closure","iwuic-2024-roof-valley-flashing","iwuic-2024-vent-mesh","iwuic-2024-prescott-class-3-class-a-roof-assembly","iwuic-2024-prescott-class-3-one-hour-eave"],"requirementCoverage":"complete","requirementCoverageSummary":"All 15 normalized 2024 model material rows were reviewed against Prescott's enumerated amendments; the model Class 3 Class B roof row is replaced, and one source-explicit local eave path is added. This is not full-code normalization, does not normalize ignition-resistant or dimensional-lumber alternatives that lack exact product-field semantics, and does not establish which class applies to one project.","requirementScopes":[{"requirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This exterior-door path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This Class A roof path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.2","505.2"]},{"requirementId":"iwuic-2024-class-1-2-multilayered-glazing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This multilayered-glazing path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.8","505.8"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-deck","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible appendage path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.7","505.7"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-door path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This noncombustible exterior-wall path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.5","505.5"]},{"requirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2"],"scopeSummary":"This solid-core exterior-door path applies only after the City assigns IR1 or IR2 construction.","sourceSections":["504.9","505.9"]},{"requirementId":"iwuic-2024-class-1-noncombustible-eave","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This noncombustible eave path applies only after the City assigns IR1 construction.","sourceSections":["503.2.1","504.3"]},{"requirementId":"iwuic-2024-class-1-wall-base-protection","scopeKeys":["ignition-resistant-class-1"],"scopeSummary":"This wall-base path applies only after the City assigns IR1 construction.","sourceSections":["504.5.1"]},{"requirementId":"iwuic-2024-class-2-solid-eave-enclosure","scopeKeys":["ignition-resistant-class-2"],"scopeSummary":"This solid eave-enclosure path applies only after the City assigns IR2 construction.","sourceSections":["505.3"]},{"requirementId":"iwuic-2024-noncombustible-gutters","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This gutter-and-downspout path applies after the City assigns IR1, IR2, or IR3 construction.","sourceSections":["504.4","505.4","506.4"]},{"requirementId":"iwuic-2024-roof-profile-closure","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This roof-profile closure applies after the City assigns IR1, IR2, or IR3 construction.","sourceSections":["504.2","505.2","506.2"]},{"requirementId":"iwuic-2024-roof-valley-flashing","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This valley-flashing path applies after the City assigns IR1, IR2, or IR3 construction.","sourceSections":["504.2.1","505.2.1","506.2.1"]},{"requirementId":"iwuic-2024-vent-mesh","scopeKeys":["ignition-resistant-class-1","ignition-resistant-class-2","ignition-resistant-class-3"],"scopeSummary":"This prescriptive vent path applies after the City assigns IR1, IR2, or IR3 construction.","sourceSections":["504.10.2","505.10.2","506.5"]},{"requirementId":"iwuic-2024-prescott-class-3-class-a-roof-assembly","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"Prescott's local Class A replacement applies only after the City assigns IR3 construction.","sourceSections":["506.2"]},{"requirementId":"iwuic-2024-prescott-class-3-one-hour-eave","scopeKeys":["ignition-resistant-class-3"],"scopeSummary":"This local one-hour eave path applies only after the City assigns IR3 construction.","sourceSections":["506.6"]}],"requirementCrosswalk":[{"modelRequirementId":"iwuic-2024-class-1-2-20-minute-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 1 and 2 exterior-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-class-a-roof-assembly","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott rewrites Section 505.2 but retains the normalized Class A tested-assembly atom for Classes 1 and 2.","sourceSections":["504.2","505.2"]},{"modelRequirementId":"iwuic-2024-class-1-2-multilayered-glazing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized multilayered-glazing atom.","sourceSections":["504.8","505.8"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-deck","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-appendage atom.","sourceSections":["504.7","505.7"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-2-noncombustible-exterior-wall","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible-wall atom.","sourceSections":["504.5","505.5"]},{"modelRequirementId":"iwuic-2024-class-1-2-solid-core-exterior-door","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized solid-core-door atom.","sourceSections":["504.9","505.9"]},{"modelRequirementId":"iwuic-2024-class-1-noncombustible-eave","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 1 noncombustible-eave atom.","sourceSections":["503.2.1","504.3"]},{"modelRequirementId":"iwuic-2024-class-1-wall-base-protection","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized wall-base atom.","sourceSections":["504.5.1"]},{"modelRequirementId":"iwuic-2024-class-2-solid-eave-enclosure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized Class 2 solid-eave atom.","sourceSections":["505.3"]},{"modelRequirementId":"iwuic-2024-class-3-class-b-roof-assembly","disposition":"locally-modified","replacementRequirementIds":["iwuic-2024-prescott-class-3-class-a-roof-assembly"],"scopeSummary":"Prescott rewrites Section 506.2 and replaces the model Class 3 Class B minimum with a Class A tested roof assembly.","sourceSections":["506.2"]},{"modelRequirementId":"iwuic-2024-noncombustible-gutters","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized noncombustible gutter-and-downspout atom.","sourceSections":["504.4","505.4","506.4"]},{"modelRequirementId":"iwuic-2024-roof-profile-closure","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's rewritten Class 2 and 3 roof sections retain the normalized roof-profile closure atom.","sourceSections":["504.2","505.2","506.2"]},{"modelRequirementId":"iwuic-2024-roof-valley-flashing","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's enumerated amendments do not modify the normalized valley-flashing atom.","sourceSections":["504.2.1","505.2.1","506.2.1"]},{"modelRequirementId":"iwuic-2024-vent-mesh","disposition":"adopted-unchanged","replacementRequirementIds":[],"scopeSummary":"Prescott's rewritten Section 506.5 expressly points Class 3 vents to the Class 1 prescriptive or tested paths, retaining the normalized vent atom.","sourceSections":["504.10.2","505.10.2","506.5"]}],"map":{"status":"official-map-required-not-located","summary":"Section 302.1 declares the entire city WUI, but Sections 302.2 and 502 require the City's public GIS and predictive model to assign the parcel's risk severity; the exact current public risk-layer URL was not located.","source":{"title":"Prescott City Code 6-2, Sections 302.1, 302.2, and 502","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},"projectTriggers":[{"summary":"The code applies to construction, alteration, movement, repair, maintenance, and use of buildings, structures, or premises within Prescott's declared citywide WUI, subject to stated exceptions.","sourceSections":["101.2","302.1"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"summary":"Additions or alterations that increase the existing footprint by 500 square feet or more must conform as new construction; separate Section 105.3 thresholds and Appendix B vegetation requirements remain part of the project review.","sourceSections":["101.5","105.3"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"summary":"Chapter 5 exemptions include specified interior work, additions no larger than 500 square feet, work affecting less than 25 percent of stated exterior areas, listed accessory structures, and maintenance work; the code official determines the project result.","sourceSections":["105.3"],"source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}}],"localAmendments":[{"kind":"modification","section":"6-2-1","summary":"Prescott adopts the 2024 International Wildland-Urban Interface Code by reference through Resolution 2026-1983 and records Ordinance 2026-1943 on May 12, 2026.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"modification","section":"302.1–302.2, 502, and 503.1","summary":"Prescott declares the entire city WUI and maps extreme risk to IR1, high risk to IR2, and moderate risk to IR3 through City predictive modeling and GIS.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"modification","section":"505.2 and 506.2","summary":"Prescott requires a Class A ASTM E108 or UL 790 roof assembly for both Class 2 and Class 3 construction and retains stated roof-profile closure alternatives.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}},{"kind":"addition","section":"506.6","summary":"Prescott adds Class 3 eave, soffit, and fascia-back protection paths using ignition-resistant, one-hour, dimensional-lumber, or exterior fire-retardant-treated material alternatives.","source":{"title":"Prescott City Code 6-2","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"}}],"supportingSources":[{"title":"Prescott building permits and current code-adoption links","url":"https://prescott-az.gov/permit-center/permit-categories/building-permits/","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z"}],"unresolvedPredicates":["official-boundary","official-hazard-map","official-hazard-class","project-type","effective-date","official-confirmation"],"source":{"title":"Prescott City Code 6-2 Urban-Wildland Interface Code","url":"https://www.codepublishing.com/AZ/Prescott/html/Prescott06/Prescott062.html","publisher":"City of Prescott","sourceType":"official","accessedOn":"2026-08-26T00:00:00.000Z","documentDate":"2026-05-12T00:00:00.000Z"},"author":"grayson-graham","reviewStatus":"draft","lastVerified":"2026-08-26T00:00:00.000Z"}],"products":[],"matchContract":"Products appear only when their cited fields satisfy this requirement's normalized constraints. Application scope and unresolved predicates remain separate; an attribute match is not a permit decision."}