{ "name": "Pergola Wiki source governance and retrieval snapshot", "version": "5.27", "evidenceContentVersion": "1.7.57", "snapshotDate": "2026-10-17", "recordCount": 154, "landingPage": "https://pergola.wiki/source-governance/", "sourceRegister": "https://pergola.wiki/data/pergola-wiki-sources-v1.7.57.json", "methodologyReferences": [ { "name": "W3C Data on the Web Best Practices", "url": "https://www.w3.org/TR/dwbp/", "use": "Provenance, quality, versioning, stable identifiers, preservation and explicit explanations for unavailable data." }, { "name": "ISO/IEC Directives — ISO Supplement, systematic review", "url": "https://www.iso.org/sites/directives/current/consolidated/index.html", "use": "Standards may be confirmed, revised, amended or withdrawn; a cited publication year alone does not prove current status." } ], "summary": { "totalSources": 154, "automatedReachable": 133, "automatedAccessRestricted": 19, "manualFollowupRequired": 10, "earliestNextEditorialReviewDue": "2026-10-23", "evidenceRoleCounts": { "historical_or_terminology_context": 15, "horticultural_design_context": 2, "operational_safety_context": 20, "peer_reviewed_research_context": 3, "research_data_methodology": 2, "technical_or_regulatory_context": 112 }, "geographicScopeCounts": { "australia": 16, "canada": 5, "czechia": 5, "england": 11, "european_framework": 14, "france": 15, "germany": 1, "great_britain": 7, "international_or_global": 11, "ireland": 4, "italy": 4, "japan": 1, "new_zealand": 6, "northern_ireland": 1, "norway": 2, "poland": 1, "scotland": 2, "slovakia": 1, "spain": 1, "sweden": 1, "turkey": 1, "united_states": 43, "wales": 1 }, "lifecycleClassCounts": { "edition_or_archival_record": 37, "live_data_service": 2, "living_web_guidance": 94, "standards_or_code_directory": 21 } }, "retrievalMethod": "Automated GET retrieval with redirects from a Node HTTP client. Per-record dates distinguish the 25 July 2026 baseline, 2 August rechecks and 3 August additions. Restricted automated transport is recorded separately from browser verification.", "evidenceBoundary": "An HTTP response does not establish that the intended record was reached or that content, cited edition, adoption status or technical conclusions are current or correct. The manual-follow-up field distinguishes unresolved restricted, rate-limited, non-content and off-target outcomes from records already checked separately in a browser; neither status is automatically classified as broken or project-applicable.", "records": [ { "sourceId": "icc-irc", "organization": "International Code Council", "title": "2024 International Residential Code — Appendix BF Patio Covers", "canonicalUrl": "https://codes.iccsafe.org/content/IRC2024P2/appendix-bf-patio-covers", "citedEditionOrStatus": "2024", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "icc-ibc", "organization": "International Code Council", "title": "2024 International Building Code — Preface and Appendix I context", "canonicalUrl": "https://codes.iccsafe.org/content/IBC2024P1/preface", "citedEditionOrStatus": "2024", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "aluminum-manual", "organization": "The Aluminum Association", "title": "Aluminum Design Manual 2020", "canonicalUrl": "https://www.aluminum.org/aluminum-design-manual-2020", "citedEditionOrStatus": "2020", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-10-11", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Aluminum Association Aluminum Design Manual 2020 page returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. It is the structural aluminium design reference cited by the International Building Code and records aluminium's elastic modulus at roughly a third of steel's; it defines the presence of a design framework and does not grade any aluminium member, span, deflection limit or installation in a delivered pergola.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "aluminum-standards", "organization": "The Aluminum Association", "title": "Aluminum Standards & Data 2024", "canonicalUrl": "https://www.aluminum.org/aluminum-standards-data-2024", "citedEditionOrStatus": "2024", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-02", "nextEditorialReviewDue": "2026-12-01", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The Aluminum Association 2024 standards-and-data page returned HTTP 200 on 2026-09-02 and its alloy, temper, mechanical-property and dimensional-tolerance scope was separately checked. It does not establish a pergola member, connection, system or site capacity.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "usda-wood", "organization": "USDA Forest Products Laboratory", "title": "Wood Handbook — Wood as an Engineering Material", "canonicalUrl": "https://research.fs.usda.gov/treesearch/62200", "citedEditionOrStatus": "2021", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-10-11", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered US Forest Service Research and Development record page for the Wood Handbook (FPL-GTR-282, Wood as an engineering material) returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. The previous fpl.fs.usda.gov PDF address no longer served the document on a read-only recheck, so the official record page — which offers the current PDF download from the same record — was registered in its place. It is a government technical reference on wood properties, moisture, decay, fasteners and design; it is not a product capacity, a service-life figure or a project approval, and it establishes no pergola span or deflection limit.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "awc-nds", "organization": "American Wood Council", "title": "2024 National Design Specification for Wood Construction", "canonicalUrl": "https://awc.org/resources/2024-nds/", "citedEditionOrStatus": "2024", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-10-11", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered American Wood Council 2024 National Design Specification for Wood Construction page returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. It is the United States design standard for wood members and connections that the model codes reference; it supplies the design-value framework for members and connections and does not itself assign a span, a deflection limit, a product capacity or a project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eurocode-1", "organization": "European Commission Joint Research Centre", "title": "Eurocode 1 — Actions on Structures", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/EN-Eurocodes/eurocode-1-actions-structures", "citedEditionOrStatus": "Current directory", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-15", "nextEditorialReviewDue": "2027-01-13", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission Joint Research Centre Eurocode 1 page returned HTTP 200 and was read on 2026-10-15. It describes actions including self-weight, imposed, snow and wind and the role of National Annexes and nationally determined parameters. It is an official framework entry point, not a calculation, capacity result, fixing layout or project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "iso-12944", "organization": "International Organization for Standardization", "title": "ISO 12944-2:2017 — Classification of environments", "canonicalUrl": "https://www.iso.org/standard/64834.html", "citedEditionOrStatus": "2017", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "doe-shading", "organization": "U.S. Department of Energy", "title": "Energy-efficient windows, doors and skylights", "canonicalUrl": "https://www.energy.gov/cmei/femp/purchasing-energy-efficient-residential-windows-doors-and-skylights", "citedEditionOrStatus": "Current guidance", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "doe-daylight", "organization": "U.S. Department of Energy", "title": "Building envelope and architectural considerations", "canonicalUrl": "https://www.energy.gov/cmei/buildings/zeb-technologies-building-envelope-architectural-considerations", "citedEditionOrStatus": "Current guidance", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ncc-volume-two", "organization": "Australian Building Codes Board", "title": "NCC 2022 Amendment 2 — retained Volume Two reference", "canonicalUrl": "https://ncc.abcb.gov.au/editions/ncc-2022/adopted/volume-two", "citedEditionOrStatus": "Adopted 2025-07-29; applicability now depends on the NCC 2025 jurisdiction transition", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "australia", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ncc-pergola", "organization": "Australian Building Codes Board", "title": "NCC explanatory context for an unroofed pergola", "canonicalUrl": "https://ncc.abcb.gov.au/editions/ncc-2022/adopted/housing-provisions/9-fire-safety/part-92-fire-separation-external-walls", "citedEditionOrStatus": "2022", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "australia", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "uk-planning", "organization": "UK Planning Portal", "title": "Do I need planning permission for a pergola?", "canonicalUrl": "https://interactive.planningportal.co.uk/faqs/do-i-need-to-apply-for-planning-permission-for-a-pergola", "citedEditionOrStatus": "Current guidance", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-09", "nextEditorialReviewDue": "2027-04-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered UK Planning Portal England FAQ page on whether planning permission is needed for a pergola returned HTTP 200 on 2026-10-09 and was folded into the UK-planning check group. It states that a pergola is classed as permitted development provided it meets specified conditions and limits, notes that outbuildings cannot be installed on the principal elevation and that any platform must not exceed 0.3 metres, and directs a listed building to listed building consent and planning permission. It is England-facing plain-language guidance: it states no project determination, no wording of the class limits themselves and no rule for Wales, Scotland or Northern Ireland.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-householder-permitted-development", "organization": "UK Ministry of Housing, Communities and Local Government", "title": "Permitted development rights for householders — technical guidance", "canonicalUrl": "https://www.gov.uk/government/publications/permitted-development-rights-for-householders-technical-guidance/permitted-development-rights-for-householders-technical-guidance", "citedEditionOrStatus": "Official guidance updated 2019-09-10; checked 2026-09-01", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-09", "nextEditorialReviewDue": "2027-04-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK householder permitted-development technical guidance (updated 10 September 2019; applies to England) returned HTTP 200 on 2026-10-09 and was folded into the UK-planning check group. Its Class E limits and conditions, the raised-platform definition of a height greater than 0.3 metres, the exclusion of verandahs, balconies and raised platforms, and the statement that buildings attached to the house are not permitted under Class E and are subject to Class A were used to write out the England tests. It decides the class framework only: it does not determine a project, approve a structure or apply outside England.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "hse-work-at-height", "organization": "Health and Safety Executive (Great Britain)", "title": "Work at height: the law", "canonicalUrl": "https://www.hse.gov.uk/work-at-height/the-law.htm", "citedEditionOrStatus": "Guidance page updated 2024-10-29; checked 2026-10-12", "sourceTier": 1, "evidenceRole": "operational_safety_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-12", "nextEditorialReviewDue": "2027-04-10", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Great Britain HSE Work at height: the law page returned HTTP 200 on 2026-10-12 and was folded into the self-build boundary check group. It states Great Britain duties for employers and people controlling work at height, including building owners contracting others; it is occupational-safety guidance, not a Czech or Slovak construction rule, trade licence, method statement or project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "lysaght-six-sided-gazebo-guide", "organization": "Lysaght", "title": "Gazebo Construction Guide — 6-sided layout", "canonicalUrl": "https://cdn.dcs.lysaght.com/download/lysaght-living-gazebo-installation-guide", "citedEditionOrStatus": "Manufacturer installation guide; checked 2026-09-14", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "australia", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-09-14", "nextEditorialReviewDue": "2027-09-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered manufacturer installation guide returned HTTP 200 and its six-sided frame, crown, rafter, gutter, outlet and setting-out topology was checked on 2026-09-14. Its product dimensions, connectors, footings and approval notes do not establish a universal hexagonal-pergola design or local approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-cre-pv-tariffs", "organization": "Commission de régulation de l'énergie", "title": "Arrêtés tarifaires photovoltaïques en métropole", "canonicalUrl": "https://www.cre.fr/documents/open-data/arretes-tarifaires-photovoltaiques-en-metropole.html", "citedEditionOrStatus": "Official open-data page updated 2026-06-08; checked 2026-09-10", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-10", "nextEditorialReviewDue": "2027-03-09", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered CRE open-data page returned HTTP 200 and its quarterly revision boundary for metropolitan French photovoltaic tariffs, premiums and degressivity coefficients was checked on 2026-09-10. It is not a project quote, stable future benefit or eligibility decision.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-dgccrf-energy-renovation", "organization": "DGCCRF — Ministère de l'Économie", "title": "Conseils pour réussir la rénovation énergétique de son logement", "canonicalUrl": "https://www.economie.gouv.fr/dgccrf/les-fiches-pratiques/conseils-pour-reussir-la-renovation-energetique-de-son-logement", "citedEditionOrStatus": "Living French consumer guidance; checked 2026-09-10", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-10", "nextEditorialReviewDue": "2027-03-09", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered DGCCRF consumer guidance returned HTTP 200 and its multiple-quotation, pre-contract information and stale numerical-claim warnings were checked on 2026-09-10. Its scope is French energy renovation, not universal contract law or photovoltaic-pergola eligibility.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "doe-pv-cost-benchmarks", "organization": "US Department of Energy — Industrial Efficiency and Decarbonization Office", "title": "Solar Photovoltaic System Cost Benchmarks", "canonicalUrl": "https://www.energy.gov/cmei/systems/solar-photovoltaic-system-cost-benchmarks", "citedEditionOrStatus": "2025 Q1 benchmark; checked 2026-09-10", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-10", "nextEditorialReviewDue": "2027-03-09", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered US DOE benchmark page returned HTTP 200 and its 2025 Q1 component-cost, minimum-sustainable-price, modeled-market-price and operation-and-maintenance method was checked on 2026-09-10. Its US system sizes and dollar values are not a French or photovoltaic-pergola retail estimate.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-pv-canopy-planning", "organization": "Service-Public.fr — Direction de l'information légale et administrative", "title": "Faut-il une autorisation d'urbanisme pour poser des ombrières photovoltaïques ou des panneaux solaires au sol ?", "canonicalUrl": "https://www.service-public.gouv.fr/particuliers/vosdroits/F31923", "citedEditionOrStatus": "Official French service guidance; verified 2025-01-17; checked 2026-09-09", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-09", "nextEditorialReviewDue": "2027-03-08", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered French Service-Public guidance returned HTTP 200 and its photovoltaic-canopy definition, power, height and protected-site planning scope was browser-checked on 2026-09-09. It does not classify every pergola or transfer French thresholds elsewhere.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "italy-pv-simplification", "organization": "Italia Semplice — Dipartimento della funzione pubblica", "title": "Impianti fotovoltaici", "canonicalUrl": "https://www.italiasemplice.gov.it/portale/w/impianti-fotovoltaici", "citedEditionOrStatus": "Living Italian government simplification guidance; checked 2026-09-09", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "italy", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-09", "nextEditorialReviewDue": "2027-03-08", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Italia Semplice page returned HTTP 200 and its overview of specified simplified photovoltaic regimes was browser-checked on 2026-09-09. It does not establish that a photovoltaic pergola or its building work qualifies.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "italy-renewable-administrative-regimes", "organization": "Normattiva — Presidenza del Consiglio dei Ministri", "title": "Decreto legislativo 25 novembre 2024, n. 190", "canonicalUrl": "https://www.normattiva.it/eli/id/2024/12/12/24G00205/ORIGINAL", "citedEditionOrStatus": "In force from 2024-12-30; official record last updated 2026-04-18; checked 2026-09-09", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "italy", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-09", "nextEditorialReviewDue": "2027-03-08", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Normattiva record returned HTTP 200 and Article 1's renewable-administration and retained building-rule boundary was browser-checked on 2026-09-09. Applicability still depends on the current text, region, locality and project facts.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "doe-pv-install-commission", "organization": "US Department of Energy — Federal Energy Management Program", "title": "Life Cycle of Photovoltaic Systems: Install and Commission a Photovoltaic System", "canonicalUrl": "https://www.energy.gov/cmei/femp/life-cycle-photovoltaic-systems-install-and-commission-photovoltaic-system", "citedEditionOrStatus": "Living US federal technical guidance; checked 2026-09-09", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-09", "nextEditorialReviewDue": "2027-03-08", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered US Department of Energy FEMP guidance returned HTTP 200 and its PV electrical, structural, drainage and commissioning scope was browser-checked on 2026-09-09. It is US federal technical context, not a universal code or completed project design.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "czech-permit-service", "organization": "gov.cz — Czech Public Administration Portal", "title": "Decision granting a permit for a building or facility", "canonicalUrl": "https://portal.gov.cz/sluzby-vs/vydani-rozhodnuti-o-povoleni-stavby-nebo-zarizeni-S47221", "citedEditionOrStatus": "Living official service guidance; checked 2026-10-12", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "czechia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-12", "nextEditorialReviewDue": "2027-04-10", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Czech gov.cz project-permit service returned HTTP 200 on 2026-10-12 and was folded into the self-build boundary check group. It describes the formal permit service and the small-structure exception at service level; it does not classify a particular pergola, decide who may construct it or approve a project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "czech-preliminary-information", "organization": "gov.cz — Czech Public Administration Portal", "title": "Request for preliminary information from a building authority", "canonicalUrl": "https://portal.gov.cz/sluzby-vs/vydani-predbezne-informace-S47329", "citedEditionOrStatus": "Living official service guidance; checked 2026-10-12", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "czechia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-12", "nextEditorialReviewDue": "2027-04-10", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Czech gov.cz preliminary-information service returned HTTP 200 on 2026-10-12 and was folded into the self-build boundary check group. It supplies an official route for asking a building authority about the applicable process; the response remains non-binding and is not a permit, project classification or authorization to self-build.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "uf-ifas-arbor-pergola", "organization": "University of Florida IFAS Extension", "title": "Arbor, Trellis, or Pergola—What's in Your Garden?", "canonicalUrl": "https://ask.ifas.ufl.edu/publication/EP432", "citedEditionOrStatus": "University extension publication; reviewed 2025-10; checked 2026-09-05", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-05", "nextEditorialReviewDue": "2027-03-04", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered University of Florida IFAS Extension publication returned HTTP 200 and its arbor, trellis and pergola terminology scope was browser-checked on 2026-09-05. Reachability does not establish a legal classification, structural design or local approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "rhs-pergola-pagoda", "organization": "Royal Horticultural Society", "title": "How to create shade in your garden", "canonicalUrl": "https://www.rhs.org.uk/shows-events/rhs-badminton-flower-show/news/2026/creating-shade", "citedEditionOrStatus": "2026 UK horticultural guidance; checked 2026-09-05", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-05", "nextEditorialReviewDue": "2027-03-04", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Royal Horticultural Society guidance returned HTTP 200 and its pergola-versus-pagoda terminology statement was browser-checked on 2026-09-05. Reachability does not establish a statutory classification, project design or approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "asce-7", "organization": "American Society of Civil Engineers", "title": "ASCE/SEI 7-22 — Minimum Design Loads and Associated Criteria", "canonicalUrl": "https://www.asce.org/publications-and-news/asce-7", "citedEditionOrStatus": "2022 with current supplements and errata", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-10-11", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered ASCE/SEI 7-22 standard hub page returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. It is the official hub for the United States minimum design loads and associated criteria standard covering wind, snow, rain, seismic and load combinations; it defines actions, combinations and the associated criteria, and does not size a pergola member, set a deflection limit or approve a project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "asce-guides", "organization": "American Society of Civil Engineers", "title": "ASCE 7 Guides", "canonicalUrl": "https://www.asce.org/publications-and-news/asce-7/asce-7-guides/", "citedEditionOrStatus": "Current directory", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2026-10-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "fema-coastal", "organization": "US Federal Emergency Management Agency", "title": "FEMA P-55 — Coastal Construction Manual", "canonicalUrl": "https://www.fema.gov/sites/default/files/2020-08/fema55_voli_combined.pdf", "citedEditionOrStatus": "Government technical manual", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eurocode-9", "organization": "European Commission Joint Research Centre", "title": "Eurocode 9 — Design of aluminium structures", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/EN-Eurocodes/eurocode-9-design-aluminium-structures", "citedEditionOrStatus": "Official Eurocode directory", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-01-09", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission JRC Eurocode 9 (design of aluminium structures) directory page returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. It records the resistance, serviceability, durability and fire-resistance scope of the Eurocode for aluminium and states no product capacity, deflection limit, joint strength or project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eurocode-5", "organization": "European Commission Joint Research Centre", "title": "STEP — Structural Timber Education Programme for Eurocode 5", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/publications/step-structural-timber-education-programme", "citedEditionOrStatus": "2025 directory", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-11", "nextEditorialReviewDue": "2027-01-09", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission JRC STEP (Structural Timber Education Programme) page for Eurocode 5 returned HTTP 200 on 2026-10-11 and was folded into the deflection-and-serviceability check group. It is expert educational material for Eurocode 5 timber design, where deflection is treated as a serviceability check alongside resistance; it is not the standard text, sets no span table or deflection limit for a pergola, and approves no product or project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "canada-nbc", "organization": "National Research Council Canada", "title": "National Building Code of Canada 2025", "canonicalUrl": "https://nrc.canada.ca/en/certifications-evaluations-standards/codes-canada/codes-canada-publications/national-building-code-canada-2025", "citedEditionOrStatus": "Published 2025-12-22; DOI 10.4224/26FZ-GG26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "canada", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "canada-code-authorities", "organization": "National Research Council Canada", "title": "Provincial or territorial ministries responsible for construction codes", "canonicalUrl": "https://nrc.canada.ca/en/certifications-evaluations-standards/codes-canada/provincial-territorial-ministries", "citedEditionOrStatus": "Living official authority directory; checked 2026-07-30", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "canada", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-01-29", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "uk-approved-docs", "organization": "UK Government", "title": "Building Regulations Approved Documents collection", "canonicalUrl": "https://www.gov.uk/government/collections/approved-documents", "citedEditionOrStatus": "Current collection", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-09", "nextEditorialReviewDue": "2027-01-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK Building Regulations Approved Documents collection for England returned HTTP 200 on 2026-10-09 and was folded into the UK-planning check group. It is the England entry point for technical guidance on structure, fire, moisture, drainage, access, electrical safety and workmanship, and it is cited as the building-control route that sits alongside planning. It approves no structure and supplies no project-specific design or approval outcome.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "iso-service-life", "organization": "International Organization for Standardization", "title": "ISO 15686-1:2011 — Service life planning", "canonicalUrl": "https://www.iso.org/standard/45798.html", "citedEditionOrStatus": "2011; confirmed 2020 and under revision", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "swedishwood-moisture", "organization": "Swedish Wood (Swedish Forest Industries Federation)", "title": "Moisture content — Wood facts", "canonicalUrl": "https://www.swedishwood.com/wood-facts/about-wood/wood-and-moisture/", "citedEditionOrStatus": "Living industry technical reference; checked 2026-09-23", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "sweden", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-23", "nextEditorialReviewDue": "2027-03-22", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Swedish Wood moisture-content page returned HTTP 200 and its hygroscopic behaviour, equilibrium moisture content and links from moisture state to dimensions, strength and resistance to degradation were read on 2026-09-23. It is Nordic industry guidance and does not establish a durability class, treatment specification, design value or project requirement.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "epa-moisture-control", "organization": "US Environmental Protection Agency (Indoor Environments Division)", "title": "Moisture Control Guidance for Building Design, Construction and Maintenance (EPA 402-F-13053)", "canonicalUrl": "https://www.epa.gov/sites/default/files/2014-08/documents/moisture-control.pdf", "citedEditionOrStatus": "December 2013; checked 2026-09-28", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-28", "nextEditorialReviewDue": "2027-03-27", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered US EPA Moisture Control Guidance for Building Design, Construction and Maintenance (EPA 402-F-13053) returned HTTP 200 and its content — the three moisture-control design principles of controlling liquid water, managing condensation and water-vapour movement, and controlling indoor humidity and moisture from materials and equipment; the description of liquid water leaking through holes, wicking through porous materials and running along the top or bottom of assemblies; the listing of site drainage, gutter systems, above- and below-grade drainage planes, flashing, condensate drainage and humidity control as the moisture-control elements whose joints and penetrations must stay continuous; and the statement that the document is not a textbook, code or standard — was read on 2026-09-28. It is general building moisture-control guidance for the United States and does not test or rate any pergola, cover, sealant or drainage product, state a rain-penetration test method, or approve a project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "epa-chromated-arsenicals", "organization": "US Environmental Protection Agency", "title": "Chromated Arsenicals (CCA)", "canonicalUrl": "https://www.epa.gov/ingredients-used-pesticide-products/chromated-copper-arsenate-cca", "citedEditionOrStatus": "Living official page; checked 2026-09-23", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-23", "nextEditorialReviewDue": "2027-03-22", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered US EPA chromated-arsenicals page returned HTTP 200 and its preservative-pesticide role, December 2003 voluntary discontinuation for homeowner uses, no-removal-required statement and penetrating-coating note were read on 2026-09-23. It is a US consumer and pesticide-registration boundary, not a durability class, use category, retention specification, structural capacity or other jurisdiction's rule.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-enforcement-and-post-permission-matters", "organization": "UK Ministry of Housing, Communities and Local Government — Planning Practice Guidance", "title": "Enforcement and post-permission matters (Planning Practice Guidance)", "canonicalUrl": "https://www.gov.uk/guidance/enforcement-and-post-permission-matters", "citedEditionOrStatus": "Living official guidance; cited paragraphs revised 22 02 2018 and 25 04 2024; checked 2026-09-23", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-23", "nextEditorialReviewDue": "2027-03-22", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK Planning Practice Guidance chapter returned HTTP 200 and its section 171B time limits including the 25 April 2024 transitional boundary, its list of proportionate enforcement options, its 172ZA enforcement warning notice description, its single post-hoc permission opportunity wording and its section 70C and 174 limits were read on 2026-09-23. It is departmental practice guidance for England, not legislation or a decision about any project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "legislation-tcpa-1990-section-171b", "organization": "The National Archives — legislation.gov.uk", "title": "Town and Country Planning Act 1990, section 171B — Time limits", "canonicalUrl": "https://www.legislation.gov.uk/ukpga/1990/8/section/171B", "citedEditionOrStatus": "Statute as amended; the England ten-year limits were substituted and commenced 25 April 2024; checked 2026-09-23", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-09-23", "nextEditorialReviewDue": "2027-09-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered legislation.gov.uk revised text of section 171B returned HTTP 200 and its England ten-year and Wales four-year periods for operations and for change of use to a single dwellinghouse, its ten-year period for any other breach, and its four-year further-action provision were read on 2026-09-23. It states time limits only and does not determine whether a structure needed permission, whether it is lawful, or what steps an authority will require.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-appeal-against-an-enforcement-notice", "organization": "UK Government (GOV.UK)", "title": "Appeal against an enforcement notice", "canonicalUrl": "https://www.gov.uk/appeal-enforcement-notice", "citedEditionOrStatus": "Living official guide; checked 2026-09-23", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-23", "nextEditorialReviewDue": "2027-03-22", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK enforcement-appeal guide returned HTTP 200 and its England-only scope, appeal-eligibility wording, requirement that the appeal be received before the notice takes effect, Planning Inspectorate route, document list, no-fee statement and High Court challenge route were read on 2026-09-23. Reachability does not assess any project, notice or ground of appeal.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "jrc-eurocodes-2nd-generation-road", "organization": "European Commission Joint Research Centre", "title": "The road to the second generation Eurocodes: where are we?", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/2nd-generation/road-second-generation-eurocodes-where-are-we", "citedEditionOrStatus": "Living JRC programme-status page; checked 2026-09-24", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-24", "nextEditorialReviewDue": "2026-12-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered JRC programme-status page returned HTTP 200 and its 11 European Standards plus 2 Technical Specifications, 74 parts, Enquiry and Formal Vote explanation, latest Date of Availability no later than 30 March 2026 and Date of Publication definition were read on 2026-09-24. It describes the CEN programme timetable only and does not determine a project's applicable edition, National Annex, design value or approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "jrc-eurocodes-2nd-generation-what-new", "organization": "European Commission Joint Research Centre", "title": "Second generation of the Eurocodes: what is new?", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/2nd-generation/second-generation-eurocodes-what-new", "citedEditionOrStatus": "Living JRC page; 2025 workshop material; checked 2026-09-24", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-24", "nextEditorialReviewDue": "2026-12-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered JRC second-generation summary page returned HTTP 200 and its list of programme changes (further harmonisation and ease of use, assessment/re-use/retrofitting of existing structures, strengthened robustness, a new Eurocode on structural glass, and fibre-polymer composite and tensioned membrane Technical Specifications) was read on 2026-09-24. It summarises programme-level changes and does not establish an applicable edition, National Annex, capacity, product rating or project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ippc-ispm15", "organization": "International Plant Protection Convention (IPPC), FAO", "title": "ISPM 15 — Regulation of wood packaging material in international trade", "canonicalUrl": "https://www.ippc.int/en/publications/640/", "citedEditionOrStatus": "Adopted international standard; IPPC publication page checked 2026-09-24", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-24", "nextEditorialReviewDue": "2027-03-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered IPPC publication page for ISPM 15 returned HTTP 200 and its description — phytosanitary measures that reduce the risk of introduction and spread of quarantine pests associated with wood packaging material made from raw wood in international trade, dunnage included, processed wood packaging such as plywood excluded, and measures not intended to provide ongoing protection from contaminating pests or other organisms — was read on 2026-09-24. It is a plant-health measure for wood packaging material and does not grade the wood, set a durability class, preservative retention, moisture content or structural capacity, or approve a construction use.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-wood-packaging-material", "organization": "UK Government (GOV.UK) — Forestry Commission", "title": "Wood packaging material for import and export", "canonicalUrl": "https://www.gov.uk/guidance/wood-packaging-material-for-import-and-export", "citedEditionOrStatus": "Published 26 September 2018; last updated 22 April 2026; checked 2026-09-24", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-24", "nextEditorialReviewDue": "2027-03-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK wood-packaging-material guidance returned HTTP 200 and its ISPM 15 requirement applied from 1 January 2021 to movements between Great Britain and other countries, its definition of wood packaging material (packing cases, boxes, crates, drums and similar containers, pallets, box pallets, pallet collars and other load boards, and dunnage), its processed/non-solid and 6 mm exclusions and its UK Wood Packaging Material Marking Programme membership with six-monthly facility assessments were read on 2026-09-24. It is a plant-health movement rule for packaging, not a structural grade, durability class or project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-wood-packaging-dunnage", "organization": "European Commission — Directorate-General for Health and Food Safety", "title": "Requirements for wood packaging & dunnage", "canonicalUrl": "https://food.ec.europa.eu/plants/plant-health-and-biosecurity/trade-plants-plant-products-non-eu-countries/requirements-wood-packaging-dunnage_en", "citedEditionOrStatus": "Living Commission page; checked 2026-09-24", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-24", "nextEditorialReviewDue": "2027-03-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission requirements page returned HTTP 200 and its ISPM 15 (2002 FAO) basis, Regulation (EU) 2016/2031 import requirements, the heat-treatment-or-fumigation requirement, the three-code official mark with the IPPC logo, the debarking requirement and the 6 mm, processed-wood and intra-EU trade exceptions were read on 2026-09-24. It is a plant-health import requirement and does not grade the wood, set a durability class or structural capacity, or approve a construction use.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "astm-a123", "organization": "ASTM International", "title": "ASTM A123/A123M-24 — Standard Specification for Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products", "canonicalUrl": "https://www.astm.org/a0123_a0123m-24.html", "citedEditionOrStatus": "2024 edition, last updated 17 July 2024; public abstract read 2026-09-25", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-07", "nextEditorialReviewDue": "2027-10-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered public abstract and scope of ASTM A123/A123M-24 (zinc/hot-dip galvanized coatings on iron and steel products) returned HTTP 200 on 2026-10-07 and was folded into the connection-and-hardware check group. It settles which coating specification governs galvanized iron and steel products and directs hardware items to be centrifuged to A153/A153M; it supplies no design value, joint capacity or exposure suitability for a specific project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "astm-a153", "organization": "ASTM International", "title": "ASTM A153/A153M-23 — Standard Specification for Zinc Coating (Hot-Dip) on Iron and Steel Hardware", "canonicalUrl": "https://www.astm.org/a0153_a0153m-23.html", "citedEditionOrStatus": "2023 edition, last updated 16 May 2023; public abstract read 2026-09-25", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-07", "nextEditorialReviewDue": "2027-10-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered public abstract and scope of ASTM A153/A153M-23 (zinc/hot-dip coating on iron and steel hardware) returned HTTP 200 on 2026-10-07 and was folded into the connection-and-hardware check group. It is the hardware-coating specification the product standard directs fasteners to; it states no clamping force, joint capacity or corrosion life for a specific structure, and reachability does not certify a delivered fastener.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "jrc-eurocode-3", "organization": "European Commission Joint Research Centre", "title": "Eurocode 3 — Design of steel structures", "canonicalUrl": "https://eurocodes.jrc.ec.europa.eu/EN-Eurocodes/eurocode-3-design-steel-structures", "citedEditionOrStatus": "Eurocodes programme directory page; read 2026-09-25", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-25", "nextEditorialReviewDue": "2026-12-24", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered JRC Eurocode 3 directory page returned HTTP 200 and its statements — that EN 1993 applies to the design of buildings and other civil engineering works in steel, that it complies with EN 1990 and is concerned with resistance, serviceability, durability and fire resistance of steel structures, that it has about 20 parts, and its part list including EN 1993-1-1:2005, EN 1993-1-2:2005 structural fire design and EN 1993-1-4:2006 stainless steels, together with its statement that EN 1993 is intended to be used with EN 1990, EN 1991, steel-product ENs/ETAGs/ETAs, EN 1090 execution requirements and the other design Eurocodes — were read on 2026-09-25. It is a European framework directory and does not establish national adoption, a National Annex, a design value, a member capacity, a fire rating or a project approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ga-design-galvanizing", "organization": "Galvanizers Association (UK and Ireland)", "title": "Design detailing — guidance for articles to be hot dip galvanized", "canonicalUrl": "https://www.galvanizing.org.uk/galvanizing-process/design/", "citedEditionOrStatus": "Industry association guidance page; read 2026-09-25", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-07", "nextEditorialReviewDue": "2027-04-05", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Galvanizers Association (UK and Ireland) design-detailing page returned HTTP 200 on 2026-10-07 and was folded into the connection-and-hardware check group. It is industry guidance on designing articles for the hot-dip process, including venting and drainage of hollow sections; it is not an official standard, it approves no connection, and its process advice carries no jurisdictional design value.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "aga-galvanic-corrosion", "organization": "American Galvanizers Association", "title": "Galvanic corrosion and the galvanic cell", "canonicalUrl": "https://galvanizeit.org/corrosion/corrosion-process/galvanic-corrosion", "citedEditionOrStatus": "Industry education page, last updated April 2022; read 2026-09-25", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-07", "nextEditorialReviewDue": "2027-10-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered American Galvanizers Association page on galvanic corrosion and the galvanic cell returned HTTP 200 on 2026-10-07 and was folded into the connection-and-hardware check group. It is industry education describing the four elements of the galvanic mechanism and the bi-metallic and concentration cells; it is not a coating-selection standard, a compatibility certificate or a project corrosion assessment, and its examples are not transferred to a specific site.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-approved-document-k", "organization": "UK Ministry of Housing, Communities and Local Government", "title": "Protection from falling, collision and impact: Approved Document K", "canonicalUrl": "https://www.gov.uk/government/publications/protection-from-falling-collision-and-impact-approved-document-k", "citedEditionOrStatus": "Published 3 January 2013; publication page and current-edition summary read 2026-09-26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-26", "nextEditorialReviewDue": "2026-12-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK publication page for Approved Document K returned HTTP 200 and its publisher description — building regulation in England covering protection from falling, collision and impact in and around the building — together with its Details summary (this edition covers protection from falling, collision and impact and includes designing staircases, ladders, ramps, guarding and vehicle barriers in and around all types of buildings; since April 2023 the Building Safety Regulator has a duty under the Building Safety Act 2022 to keep under review the safety and standards of all buildings in England; the edition combines Approved Document N and some overlapping Approved Document M guidance) were read on 2026-09-26. Only the publication page and its summary were read: the PDF was not machine-extracted, so no clause text, guard height, load value or dimension is attributed to it. It is England-only guidance and does not determine whether any project needs approval or satisfies the requirement.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-building-regulations-approval", "organization": "UK Government (GOV.UK)", "title": "Building regulations approval: When you need approval", "canonicalUrl": "https://www.gov.uk/building-regulations-approval", "citedEditionOrStatus": "Living GOV.UK service page; read 2026-09-26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-09", "nextEditorialReviewDue": "2027-04-07", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered GOV.UK building regulations approval service page returned HTTP 200 on 2026-10-09 and was folded into the UK-planning check group. It states that building regulations approval is different from planning permission and that both may be needed, and that using someone registered with a competent person scheme removes the need for the householder to obtain approval separately. It is an England-facing process page: it does not decide a project, name an applicable edition or transfer to another jurisdiction.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "legislation-uk-building-regs-2010-schedule-1", "organization": "The National Archives — legislation.gov.uk", "title": "Building Regulations 2010, Schedule 1 — Requirements, Part K (protection from falling, collision and impact)", "canonicalUrl": "https://www.legislation.gov.uk/uksi/2010/2214/schedule/1", "citedEditionOrStatus": "SI 2010/2214 revised text; read 2026-09-26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-09-26", "nextEditorialReviewDue": "2027-09-26", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered legislation.gov.uk revised text of Schedule 1 to the Building Regulations 2010 returned HTTP 200 and its protection-from-falling requirements — that stairs, ladders and ramps used for movement between different levels must be safe and that K1 applies only to stairs, ladders and ramps forming part of the building, and that requirement K2 requires barriers on stairs, ramps, floors and balconies and any roof to which people have access, and on light wells, basement areas or similar sunken areas connected to a building, where necessary to protect people in or about the building from falling, with a further requirement on the safety of barriers — were read on 2026-09-26. It is the functional requirement only: it states no guard height, gap limit, load or spacing, and determines no project or national version.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "scotland-technical-handbook-4-4-barriers", "organization": "Scottish Government", "title": "Building standards technical handbook 2022: domestic — 4.4 Pedestrian protective barriers", "canonicalUrl": "https://www.gov.scot/publications/building-standards-technical-handbook-2022-domestic/4-safety/4-4-pedestrian-protective-barriers/", "citedEditionOrStatus": "Published 1 June 2022; section read 2026-09-26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "scotland", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-26", "nextEditorialReviewDue": "2026-12-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Scottish Government section 4.4 of the domestic building standards technical handbook returned HTTP 200 and its mandatory Standard 4.4 (every sudden change of level accessible in or around a building to be guarded by pedestrian protective barriers, with a limitation where barriers would obstruct the use of the area), its guidance that a barrier should be provided at the edge of every floor, stair, ramp, landing, raised floor or other raised area people have access to where the difference in level is 600 mm or more and at any change in direction on a raised access route, that openings in a barrier in and around domestic buildings should prevent the passage of a 100 mm diameter sphere, that a barrier should be designed and constructed so that it cannot easily be climbed by young children with potential hand and footholds minimised, that barriers and any wall, partition or fixed glazing accepted instead should resist loads calculated to BS EN 1991-1-1 and PD 6688-1-1, and its height table giving 1,100 mm for locations other than the listed cases (including 900 mm to a gallery, landing or raised area within a dwelling) were read on 2026-09-26. It is Scottish domestic guidance, is not a pergola standard and approves no project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "awc-dca6-prescriptive-deck-guide", "organization": "American Wood Council", "title": "DCA 6 — Prescriptive Residential Wood Deck Construction Guide (based on the 2015 International Residential Code)", "canonicalUrl": "https://awc.org/publications/dca6/", "citedEditionOrStatus": "Copyright 2018 American Wood Council; PDF read 2026-09-30", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-09-30", "nextEditorialReviewDue": "2026-12-29", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered American Wood Council DCA 6 Prescriptive Residential Wood Deck Construction Guide returned HTTP 200 as a 44-page PDF and its text was read on 2026-09-30. It documents prescriptive provisions based on the 2015 International Residential Code with bracketed IRC references, applies them to single-level residential wood decks attached to a house to resist lateral forces, requires the house band or rim joist to be capable of supporting the new structure and directs a non-ledger layout or full plan submission where that cannot be verified, prohibits ledger attachments to exterior veneers such as brick, masonry or stone, to hollow masonry and to cantilevered floor overhangs or bay windows with a non-ledger structure required in those cases, requires the exterior finish to be removed before the ledger is installed and approved corrosion-resistant flashing at every ledger-to-wall connection in wood-framed construction while warning that aluminium should not contact copper-containing preservative-treated lumber, and requires positive anchorage to the primary structure with hold-on devices of a stated allowable-stress-design capacity near the deck edges over wall framing sheathed in wood structural panel. The document itself states that no assurance is given that designs and construction made in accordance with it meet the requirements of any particular jurisdiction. It is a United States prescriptive deck guide: it is not a pergola, terrace, balcony or roof standard, publishes no pergola capacity, connection value or approval, and transfers to no other country.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ireland-planning-regulations-2001-class-3", "organization": "Irish Statute Book", "title": "Planning and Development Regulations 2001 — Schedule 2, Part 1, Class 3", "canonicalUrl": "https://www.irishstatutebook.ie/eli/2001/si/600/made/en/", "citedEditionOrStatus": "S.I. No. 600/2001 original made text; read 2026-10-14", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "ireland", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-14", "nextEditorialReviewDue": "2027-10-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Irish Statute Book page for S.I. No. 600/2001 returned HTTP 200 and Schedule 2, Part 1, Class 3 was read on 2026-10-14. It records the listed curtilage structures and conditions including the cumulative 25-square-metre cap, retention of at least 25 square metres of private open space to the rear or side, front-wall position, height and domestic-use limits, subject to Article 9. It is the original made text, not a statement that a pergola qualifies or that no amendment or local restriction applies.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ireland-exempted-development-consolidation", "organization": "Department of Housing, Local Government and Heritage", "title": "Planning and Development Regulations 2001–2025 — Schedule 2 consolidated text", "canonicalUrl": "https://consult.housing.gov.ie/en/system/files/materials/9/Exempted%20Development%202001%20regulations%20-%20Schedule%202.pdf", "citedEditionOrStatus": "Unofficial consolidation through 2025; read 2026-10-14", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "ireland", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-14", "nextEditorialReviewDue": "2027-10-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The Department's registered Schedule 2 consolidation through the 2001–2025 regulations returned HTTP 200 as a PDF and Class 3 was read on 2026-10-14. Its cover expressly says that it is an unofficial consolidation with no legal status and that the official regulations as enacted and amended must be consulted. It is used only to check editorial continuity and does not decide a project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ireland-opr-house-works", "organization": "Office of the Planning Regulator", "title": "Planning Leaflet 8 — A Guide to Doing Work Around the House", "canonicalUrl": "https://www.opr.ie/wp-content/uploads/2022/11/Planning-Leaflet-8-A-Guide-to-Doing-Work-Around-the-House-1.pdf", "citedEditionOrStatus": "Official planning leaflet; PDF read 2026-10-14", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "ireland", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-14", "nextEditorialReviewDue": "2027-04-12", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Office of the Planning Regulator house-works leaflet returned HTTP 200 as a PDF and its Class 3, Article 9, flats-and-apartments and planning-authority declaration guidance was read on 2026-10-14. It is public guidance, not legislation, a declaration or permission, and does not classify a pergola from its marketing name.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ireland-pda-2024-commencement", "organization": "Department of Housing, Local Government and Heritage", "title": "Planning and Development Act 2024 — commencement status", "canonicalUrl": "https://www.gov.ie/en/department-of-housing-local-government-and-heritage/publications/planning-and-development-act-2024/", "citedEditionOrStatus": "Official phased-commencement page updated 13 May 2026; read 2026-10-14", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "ireland", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-14", "nextEditorialReviewDue": "2027-04-12", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Department of Housing page returned HTTP 200 and its phased commencement orders for the Planning and Development Act 2024 through May 2026 were read on 2026-10-14. It establishes phased commencement only and neither interprets a pergola nor makes a proposed exemption change operative.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "academie-pergola", "organization": "Académie française", "title": "Dictionnaire de l’Académie française — pergola", "canonicalUrl": "https://www.dictionnaire-academie.fr/article/A9P1535", "citedEditionOrStatus": "9th edition; accessed 2026", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "france", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "loc-carnegie-pergola", "organization": "Library of Congress — Historic American Buildings Survey", "title": "Andrew Carnegie Mansion, Pergola", "canonicalUrl": "https://www.loc.gov/item/ny2425/", "citedEditionOrStatus": "Structure circa 1899; HABS documentation", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ada-standards", "organization": "U.S. Access Board", "title": "ADA Accessibility Standards", "canonicalUrl": "https://www.access-board.gov/ada/", "citedEditionOrStatus": "Official current web edition; accessed 2026", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ada-routes-guide", "organization": "U.S. Access Board", "title": "Guide to the ADA Accessibility Standards — Accessible Routes", "canonicalUrl": "https://www.access-board.gov/ada/guides/chapter-4-accessible-routes/", "citedEditionOrStatus": "Official implementation guide; accessed 2026", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "epa-smm", "organization": "U.S. Environmental Protection Agency", "title": "Sustainable Materials Management Basics", "canonicalUrl": "https://www.epa.gov/smm/sustainable-materials-management-basics", "citedEditionOrStatus": "Current agency resource; accessed 2026", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nws-lightning", "organization": "U.S. National Weather Service", "title": "Lightning Safety Tips and Resources", "canonicalUrl": "https://www.weather.gov/safety/lightning-tips", "citedEditionOrStatus": "Current safety guidance; accessed 2026", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "indre-canisse-shade-study", "organization": "Préfecture de l'Indre — services de l'État", "title": "Étude d'adaptation climatique d'un collège — canisses d'ombrage", "canonicalUrl": "https://www.indre.gouv.fr/contenu/telechargement/37739/325193/file/Dossier%20am%C3%A9nagement%20Coll%C3%A8ge.pdf", "citedEditionOrStatus": "Government-hosted project study; document created 2024-06-07; checked 2026-08-20", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-20", "nextEditorialReviewDue": "2027-02-16", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered French official page or PDF on 2026-08-20; page content was separately checked, but reachability does not establish a universal canisse layout, fixing interval, service life, fire rating, permission outcome or transfer outside France.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "bouches-du-rhone-wildfire-pergola-covers", "organization": "Préfecture des Bouches-du-Rhône", "title": "Ma maison est proche d'un massif forestier — autodiagnostic incendie", "canonicalUrl": "https://www.bouches-du-rhone.gouv.fr/content/download/9770/59318/file/plaquette_com_ma-maison-massif.pdf", "citedEditionOrStatus": "French departmental wildfire guidance; document created 2014-08-19; checked 2026-08-20", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-20", "nextEditorialReviewDue": "2027-02-16", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered French official page or PDF on 2026-08-20; page content was separately checked, but reachability does not establish a universal canisse layout, fixing interval, service life, fire rating, permission outcome or transfer outside France.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-pergola-planning-permission", "organization": "Service-Public.fr — Direction de l'information légale et administrative", "title": "Quelle autorisation d'urbanisme pour une pergola, un carport ou un abri à bois ?", "canonicalUrl": "https://www.service-public.gouv.fr/particuliers/vosdroits/F36773", "citedEditionOrStatus": "Official French guidance; verified 2025-04-11; checked 2026-10-16", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-16", "nextEditorialReviewDue": "2027-04-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered French Service-Public pergola planning page returned HTTP 200 and was read on 2026-10-16; it displays a verification date of 11 April 2025. The French filing route depends on the local plan, location, actual project classification and measured footprint; a retail kit label, packing list or performance document does not decide the filing, and French thresholds do not transfer elsewhere.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-veranda-planning-permission", "organization": "Service-Public.fr — Direction de l'information légale et administrative", "title": "Quelle autorisation d'urbanisme pour construire une véranda ?", "canonicalUrl": "https://www.service-public.gouv.fr/particuliers/vosdroits/F36768", "citedEditionOrStatus": "Official French guidance; verified 2025-04-11; checked 2026-08-31", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-31", "nextEditorialReviewDue": "2027-02-27", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered French Service-Public guidance returned HTTP 200 on 2026-08-31 and its intended pergola or veranda planning scope was separately checked. Reachability does not classify a project, prove that every enclosure is a veranda, or transfer French thresholds outside France.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nz-carport-exemptions", "organization": "New Zealand Ministry of Business, Innovation and Employment — Building Performance", "title": "8. Shelters, shades and carports — building consent exemption guidance", "canonicalUrl": "https://www.building.govt.nz/projects-and-consents/planning-a-successful-build/scope-and-design/check-if-you-need-consents/building-work-that-doesnt-need-a-building-consent/technical-requirements-for-exempt-building-work/8-shelters-shades-and-carports", "citedEditionOrStatus": "Official guidance updated 2025-09-09; checked 2026-08-26", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-26", "nextEditorialReviewDue": "2027-02-22", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance or legal record on 2026-08-26; visible content was separately checked, but reachability does not establish a project classification, exemption, current local procedure, structural capacity or transfer between jurisdictions.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "czech-small-shelters", "organization": "Czech Republic Ministry for Regional Development", "title": "Pergola a přístřešek podle zákona č. 283/2021 Sb. — updated official methodology", "canonicalUrl": "https://mmr.gov.cz/cs/ministerstvo/stavebni-pravo/pravo-a-legislativa/novy-stavebni-zakon/metodiky/pergola-a-pristresek-podle-zakona-c-283-2021-sb", "citedEditionOrStatus": "Official page updated 2026-05-06 and methodology updated 2026-03; checked 2026-10-12", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "czechia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-13", "nextEditorialReviewDue": "2027-04-11", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Czech Ministry for Regional Development page returned HTTP 200 on 2026-10-13 and links the March 2026 pergola-and-shelter methodology. Its bioclimatic example uses rotating louvers that may close into a roof, integrated drainage and technical equipment; this is Czech methodological classification, not a global product definition, performance result or project decision.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "slovakia-building-act-2025", "organization": "Slov-Lex — Ministry of Justice of the Slovak Republic", "title": "25/2025 Z. z. Building Act — time version effective 2025-11-01", "canonicalUrl": "https://www.slov-lex.sk/ezbierky/pravne-predpisy/SK/ZZ/2025/25/20251101", "citedEditionOrStatus": "Official consolidated time version effective 2025-11-01 through 2026-12-31; checked 2026-10-12", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "slovakia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-12", "nextEditorialReviewDue": "2027-04-10", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Slov-Lex consolidated time version of Act No. 25/2025 returned HTTP 200 on 2026-10-12 and shows applicability from 2025-11-01 through 2026-12-31. It lists specified shelters among small structures when the stated conditions are met, but that classification alone does not establish a general self-build right, decide the process or classify a retail pergola.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nz-pergola-exemption", "organization": "New Zealand Ministry of Business, Innovation and Employment — Building Performance", "title": "6.5 Pergolas — building consent exemption guidance", "canonicalUrl": "https://www.building.govt.nz/projects-and-consents/planning-a-successful-build/scope-and-design/check-if-you-need-consents/building-work-that-doesnt-need-a-building-consent/technical-requirements-for-exempt-building-work/6-porches-verandas-and-pergolas/6-5-pergolas", "citedEditionOrStatus": "Current guidance; accessed 2026", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered New Zealand Ministry of Business, Innovation and Employment page on pergola consent exemptions (section 6.5) returned HTTP 200 on 2026-10-06 and was folded into the roof-retrofit check group. It distinguishes a simple-framed unroofed pergola from a roofed structure and does not decide whether a retrofit, enclosure or attachment qualifies in any jurisdiction; it is used only to bound the approval question, not as a structural or product rating.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nz-building-system", "organization": "New Zealand Ministry of Business, Innovation and Employment — Building Performance", "title": "How the building system protects you", "canonicalUrl": "https://www.building.govt.nz/getting-started/how-the-building-system-protects-you", "citedEditionOrStatus": "Current guidance; accessed 2026", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nz-homeowner-rights-building-work", "organization": "New Zealand Ministry of Business, Innovation and Employment — Building Performance", "title": "Homeowner rights and obligations", "canonicalUrl": "https://www.building.govt.nz/getting-started/your-rights-and-obligations/homeowner-rights-and-obligations", "citedEditionOrStatus": "Official guidance updated 2026-09-09; checked 2026-10-17", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-17", "nextEditorialReviewDue": "2027-04-15", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered New Zealand MBIE homeowner-rights page returned HTTP 200 and was read on 2026-10-17; the page shows an update date of 2026-09-09. It separates owner responsibility, consent, restricted building work, Licensed Building Practitioners, written contracts, disclosure and completion records. It does not make every pergola restricted building work, require an LBP for every task, transfer New Zealand's NZD 30,000 contract threshold elsewhere or validate a contractor.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nws-heat-alerts", "organization": "U.S. National Weather Service", "title": "Understanding Heat Alerts", "canonicalUrl": "https://www.weather.gov/safety/heat-ww", "citedEditionOrStatus": "Current safety guidance; accessed 2026", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "osha-heat-hazard-recognition", "organization": "U.S. Occupational Safety and Health Administration", "title": "Heat hazard recognition — environmental heat and on-site WBGT", "canonicalUrl": "https://www.osha.gov/heat-exposure/hazards", "citedEditionOrStatus": "Living official guidance; checked 2026-08-04", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-04", "nextEditorialReviewDue": "2027-01-31", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-08-04; reachability does not establish local conditions, a safety threshold, comfort or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nws-wbgt-heat-index", "organization": "U.S. National Weather Service", "title": "Wet Bulb Globe Temperature versus Heat Index", "canonicalUrl": "https://www.weather.gov/ict/wbgt", "citedEditionOrStatus": "Living official guidance; checked 2026-08-04", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-04", "nextEditorialReviewDue": "2027-01-31", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-08-04; reachability does not establish local conditions, a safety threshold, comfort or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "fema-snow-load-safety", "organization": "U.S. Federal Emergency Management Agency", "title": "FEMA P-957 — Snow Load Safety Guide", "canonicalUrl": "https://www.fema.gov/sites/default/files/documents/fema957_snowload_guide.pdf", "citedEditionOrStatus": "2013 government guidance; checked 2026-08-05", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-05", "nextEditorialReviewDue": "2027-02-01", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 403 from the registered FEMA PDF on 2026-08-05; the official document content was separately verified through indexed FEMA material on 2026-08-05. This does not establish project applicability, structural capacity or a safe snow-removal threshold.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "osha-winter-roof-snow", "organization": "U.S. Occupational Safety and Health Administration", "title": "Winter weather hazards — clearing snow from roofs and working at heights", "canonicalUrl": "https://www.osha.gov/winter-weather%2Fhazards", "citedEditionOrStatus": "Living official guidance; checked 2026-08-05", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-05", "nextEditorialReviewDue": "2027-02-01", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-08-05; reachability does not establish local conditions, a structural capacity, an action threshold or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nrc-canada-snow-load-faq", "organization": "National Research Council Canada", "title": "Codes Canada FAQ — snow loads and when to clear a roof", "canonicalUrl": "https://nrc.canada.ca/en/certifications-evaluations-standards/codes-canada/codes-canada-frequently-asked-questions", "citedEditionOrStatus": "Living official guidance; checked 2026-08-05", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "canada", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-05", "nextEditorialReviewDue": "2027-02-01", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-08-05; reachability does not establish local conditions, a structural capacity, an action threshold or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "canada-snow-ice-flood-prevention", "organization": "Government of Canada", "title": "Clear snow and ice — flood-risk prevention guidance", "canonicalUrl": "https://www.canada.ca/en/services/policing/emergencies/preparedness/get-prepared/hazards-emergencies/floods/flood-risk/prevent-flood-damage/clear-snow-and-ice.html", "citedEditionOrStatus": "Living official guidance; published 2026-03-23; checked 2026-08-07", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "canada", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-07", "nextEditorialReviewDue": "2027-02-03", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered guidance on 2026-08-07; reachability does not validate transfer to a pergola detail, structural capacity, operating threshold or thawing method.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "michigan-roof-ice-dams", "organization": "Michigan State Police — MIREADY", "title": "Preventing Roof Ice Dams", "canonicalUrl": "https://www.michigan.gov/miready/be-informed/winter-prep/preventing-roof-ice-dams", "citedEditionOrStatus": "Living state-government guidance; checked 2026-08-07", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-07", "nextEditorialReviewDue": "2027-02-03", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 403 from the registered Michigan government page on 2026-08-07; its visible official-page content was separately verified in a browser on 2026-08-07. This does not establish a pergola ice-dam mechanism, product rating or operating threshold.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "uaf-cold-weather-drain-freeze", "organization": "University of Alaska Fairbanks Cooperative Extension Service", "title": "Keeping Your House Operating During a Cold Alaska Winter — drain pipes", "canonicalUrl": "https://www.uaf.edu/ces/publications/database/energy/keep-house-operating-cold.php", "citedEditionOrStatus": "Reviewed 2022; checked 2026-08-07", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-07", "nextEditorialReviewDue": "2027-02-03", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered guidance on 2026-08-07; reachability does not validate transfer to a pergola detail, structural capacity, operating threshold or thawing method.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "epa-vegetation-heat", "organization": "U.S. Environmental Protection Agency", "title": "Benefits of Trees and Vegetation", "canonicalUrl": "https://www.epa.gov/heatislands/benefits-trees-and-vegetation", "citedEditionOrStatus": "Current agency resource; accessed 2026", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "usfa-wildfire-embers", "organization": "U.S. Fire Administration", "title": "Protecting structures from wildfire embers and fire exposures", "canonicalUrl": "https://www.usfa.fema.gov/blog/protecting-structures-from-wildfire-embers-and-fire-exposures/", "citedEditionOrStatus": "Updated 2024; accessed 2026", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "calfire-home-hardening", "organization": "CAL FIRE — Ready for Wildfire", "title": "Hardening Your Home", "canonicalUrl": "https://www.readyforwildfire.org/prepare-for-wildfire/hardening-your-home", "citedEditionOrStatus": "Current guidance; accessed 2026", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "cslb-contractor-license-check", "organization": "California Contractors State License Board", "title": "Check a contractor license or home-improvement salesperson registration", "canonicalUrl": "https://www.cslb.ca.gov/OnlineServices/CheckLicenseII/CheckLicense.aspx", "citedEditionOrStatus": "Living official register; checked 2026-08-17", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-17", "nextEditorialReviewDue": "2027-02-13", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official lookup or consumer guidance on 2026-08-17; reachability does not validate a contractor, licence class, insurance policy, contract or project applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "cslb-home-improvement-contract-checklist", "organization": "California Contractors State License Board", "title": "Home-improvement contract homeowner checklist", "canonicalUrl": "https://www2.cslb.ca.gov/Consumers/Hire_A_Contractor/Home_Improvement_Contracts/Homeowner_Checklists.aspx", "citedEditionOrStatus": "Living official consumer guidance; content and retrieval rechecked 2026-08-28", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-28", "nextEditorialReviewDue": "2027-02-24", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered CSLB homeowner checklist returned HTTP 200 on 2026-08-28 and its intended content was separately checked. Its California deposit and progress-payment guidance must not be transferred to another jurisdiction or assumed to cover every contract category.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nsw-contractor-written-quotes", "organization": "NSW Government — Building Commission NSW", "title": "Getting quotes for contractors", "canonicalUrl": "https://www.nsw.gov.au/housing-and-construction/building-or-renovating-a-home/preparing/getting-quotes", "citedEditionOrStatus": "Living official guidance; checked 2026-08-28; publication date not stated", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "australia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-28", "nextEditorialReviewDue": "2027-02-24", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered NSW quotation guide returned HTTP 200 on 2026-08-28 and its intended content was separately checked. It supports same-brief comparisons and signed written variations, not a pergola price or legal rule outside NSW.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nsw-contractor-qualification-check", "organization": "NSW Government", "title": "Checking your contractor or tradesperson is qualified", "canonicalUrl": "https://www.nsw.gov.au/housing-and-construction/building-or-renovating-a-home/preparing/checking-your-contractor-or-tradesperson-qualified", "citedEditionOrStatus": "Living official guidance; checked 2026-08-17", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "australia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-17", "nextEditorialReviewDue": "2027-02-13", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official lookup or consumer guidance on 2026-08-17; reachability does not validate a contractor, licence class, insurance policy, contract or project applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "france-builder-decennial-insurance", "organization": "Service-Public.fr — Direction de l'information légale et administrative", "title": "Garantie décennale des constructeurs", "canonicalUrl": "https://www.service-public.fr/particuliers/vosdroits/F2034", "citedEditionOrStatus": "Official French guidance; verified 2024-01-31; checked 2026-08-17", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-17", "nextEditorialReviewDue": "2027-02-13", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official lookup or consumer guidance on 2026-08-17; reachability does not validate a contractor, licence class, insurance policy, contract or project applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "fair-guiding-principles", "organization": "Scientific Data", "title": "The FAIR Guiding Principles for scientific data management and stewardship", "canonicalUrl": "https://doi.org/10.1038/sdata.2016.18", "citedEditionOrStatus": "2016", "sourceTier": 3, "evidenceRole": "research_data_methodology", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "w3c-web-annotation-model", "organization": "World Wide Web Consortium (W3C)", "title": "Web Annotation Data Model", "canonicalUrl": "https://www.w3.org/TR/annotation-model/", "citedEditionOrStatus": "2017", "sourceTier": 2, "evidenceRole": "research_data_methodology", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nz-codemark-certification", "organization": "New Zealand Ministry of Business, Innovation and Employment — Building Performance", "title": "CodeMark product certification scheme and public register", "canonicalUrl": "https://www.building.govt.nz/building-code-compliance/product-assurance-and-certification-schemes/codemark", "citedEditionOrStatus": "Living official guidance; checked 2026-08-30", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-30", "nextEditorialReviewDue": "2027-02-26", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered New Zealand MBIE CodeMark guidance returned HTTP 200 and its scope, current-certificate requirement and limitations warning were separately browser-checked on 2026-08-30. Reachability or certification does not establish a complete pergola design, site capacity, installation approval or transfer outside New Zealand.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "astm-d7032", "organization": "ASTM International", "title": "ASTM D7032-21 — Performance Ratings for Wood-Plastic Composite and Plastic Lumber", "canonicalUrl": "https://store.astm.org/d7032-21.html", "citedEditionOrStatus": "2021; active edition accessed 2026", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "iso-4892-1", "organization": "International Organization for Standardization", "title": "ISO 4892-1:2024 — Plastics, Laboratory Light-Source Exposure", "canonicalUrl": "https://www.iso.org/standard/83801.html", "citedEditionOrStatus": "2024; corrected 2026", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "iec-60335-2-97", "organization": "International Electrotechnical Commission", "title": "IEC 60335-2-97:2023 — Safety of Drives for Shutters, Awnings and Blinds", "canonicalUrl": "https://webstore.iec.ch/en/publication/90422", "citedEditionOrStatus": "2023; stability date 2027", "sourceTier": 2, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-07-25", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "cpsc-outdoor-electrical", "organization": "U.S. Consumer Product Safety Commission", "title": "Home Electrical Safety Checklist — Outdoor Receptacles and GFCI Protection", "canonicalUrl": "https://www.cpsc.gov/s3fs-public/513.pdf", "citedEditionOrStatus": "Current CPSC checklist; accessed 2026", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2027-01-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "esv-portable-outdoor-heaters", "organization": "Energy Safe Victoria", "title": "GIS 11 — Portable heaters for use outdoors in public places", "canonicalUrl": "https://www.energysafe.vic.gov.au/industry-guidance/gas/gas-information-sheets/gis-11-portable-heaters-use-outdoors-public-places", "citedEditionOrStatus": "Reviewed 2025-01-01; checked 2026-09-16", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "australia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-16", "nextEditorialReviewDue": "2027-03-15", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Energy Safe Victoria GIS 11 page returned HTTP 200 and its outdoor-only use, manufacturer-instruction, product-clearance, stable-placement and mounting-frame boundaries were checked on 2026-09-16. Its Victorian public-place context does not establish a universal pergola clearance or approve a project.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "esv-lpg-outdoor-safety", "organization": "Energy Safe Victoria", "title": "Gas and LPG safety outdoors", "canonicalUrl": "https://www.energysafe.vic.gov.au/community-safety/energy-safety-guides/outdoor-safety/gas-and-lpg-safety-outdoors", "citedEditionOrStatus": "Reviewed 2025-10-14; checked 2026-09-16", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "australia", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-16", "nextEditorialReviewDue": "2027-03-15", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Energy Safe Victoria outdoor gas and LPG page returned HTTP 200 and its ventilation, carbon-monoxide, indoor-use, cylinder and base boundaries were checked on 2026-09-16. It does not classify every screened pergola or replace product instructions and local gas rules.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "health-canada-electrical-product-safety", "organization": "Health Canada", "title": "Electrical product safety", "canonicalUrl": "https://www.canada.ca/en/health-canada/services/home-safety/electrical-products.html", "citedEditionOrStatus": "Page updated 2026-08-12; checked 2026-09-16", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "canada", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-16", "nextEditorialReviewDue": "2027-03-15", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Health Canada electrical-product-safety page returned HTTP 200 and its certification-mark, portable-heater, cord and outdoor-water precautions were checked on 2026-09-16. Its one-metre portable-heater advice is not a universal fixed-radiant-heater clearance or local installation rule.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "nps-outdoor-lighting", "organization": "U.S. National Park Service", "title": "Outdoor Lighting Principles", "canonicalUrl": "https://www.nps.gov/subjects/nightskies/outdoor-lighting-principles.htm", "citedEditionOrStatus": "Updated 2025-06-17; checked 2026-09-03", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-03", "nextEditorialReviewDue": "2027-03-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-09-03; page scope was separately checked, but reachability does not establish a universal lighting level, electrical method, local-code outcome or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "doe-outdoor-led-glare", "organization": "U.S. Department of Energy", "title": "Glare in LED Outdoor Lighting — text alternative", "canonicalUrl": "https://www.energy.gov/cmei/ssl/text-alternative-version-glare-led-outdoor-lighting", "citedEditionOrStatus": "Current government educational resource; checked 2026-09-03", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-03", "nextEditorialReviewDue": "2027-03-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-09-03; page scope was separately checked, but reachability does not establish a universal lighting level, electrical method, local-code outcome or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "govuk-light-pollution", "organization": "UK Ministry of Housing, Communities and Local Government", "title": "Light pollution — planning practice guidance", "canonicalUrl": "https://www.gov.uk/guidance/light-pollution", "citedEditionOrStatus": "Updated 2019-11-01; checked 2026-09-03", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-03", "nextEditorialReviewDue": "2027-03-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-09-03; page scope was separately checked, but reachability does not establish a universal lighting level, electrical method, local-code outcome or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "darksky-lighting-principles", "organization": "DarkSky International and Illuminating Engineering Society", "title": "Five Principles for Responsible Outdoor Lighting", "canonicalUrl": "https://darksky.org/resources/guides-and-how-tos/lighting-principles/", "citedEditionOrStatus": "Updated 2024-06-11; checked 2026-09-03", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "international_or_global", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-03", "nextEditorialReviewDue": "2027-03-02", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 403 from the registered DarkSky page on 2026-09-03; its visible guidance was separately browser-verified on 2026-09-03. This does not establish a universal lighting level, electrical method, local-code outcome or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "worksafe-nz-outdoor-lighting", "organization": "WorkSafe New Zealand", "title": "Lighting — using decorative lights outside", "canonicalUrl": "https://www.worksafe.govt.nz/managing-health-and-safety/consumers/safe-living-with-electricity/lighting/", "citedEditionOrStatus": "Current government guidance; checked 2026-09-03", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "new_zealand", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-03", "nextEditorialReviewDue": "2027-03-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-09-03; page scope was separately checked, but reachability does not establish a universal lighting level, electrical method, local-code outcome or pergola performance.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "noaa-atlas-14", "organization": "NOAA National Weather Service", "title": "NOAA Atlas 14 — Precipitation Frequency Data Server", "canonicalUrl": "https://hdsc.nws.noaa.gov/pfds/", "citedEditionOrStatus": "Current U.S. data service; accessed 2026", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "live_data_service", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-07-25", "nextEditorialReviewDue": "2026-10-23", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "noaa-atlas-15", "organization": "NOAA National Weather Service", "title": "NOAA Atlas 15 — precipitation-frequency atlas transition", "canonicalUrl": "https://water.noaa.gov/about/atlas15", "citedEditionOrStatus": "Under development; official timeline checked 2026-08-02", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "united_states", "lifecycleClass": "live_data_service", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2026-10-31", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "norway-tek17-precipitation", "organization": "Norwegian Building Authority (Direktoratet for byggkvalitet)", "title": "TEK17 §13-12 — Precipitation (Nedbør)", "canonicalUrl": "https://www.dibk.no/regelverk/byggteknisk-forskrift-tek17/13/vi/13-12", "citedEditionOrStatus": "Living official guidance; checked 2026-08-23", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "norway", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-23", "nextEditorialReviewDue": "2027-02-19", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered official guidance on 2026-08-23; reachability does not establish a universal roof pitch, product performance, structural capacity, walkability, legal applicability or transfer outside the stated jurisdiction.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "norway-tek17-structural-safety", "organization": "Norwegian Building Authority (Direktoratet for byggkvalitet)", "title": "TEK17 §10-2 — Structural safety (Konstruksjonssikkerhet)", "canonicalUrl": "https://www.dibk.no/regelverk/byggteknisk-forskrift-tek17/10/10-2", "citedEditionOrStatus": "Living official guidance; checked 2026-08-23", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "norway", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-23", "nextEditorialReviewDue": "2027-02-19", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Norwegian DiBK regulation page for TEK17 section 10-2 (structural safety) returned HTTP 200 on 2026-10-06 and was folded into the roof-retrofit check group. It supports the general requirement that a structure be able to resist the actions it is exposed to; it states no project capacity, connector value, coating class or approval outcome, and it applies in Norway only.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "hse-fragile-surfaces", "organization": "UK Health and Safety Executive", "title": "Construction — Fragile surfaces", "canonicalUrl": "https://www.hse.gov.uk/construction/safetytopics/fragile.htm", "citedEditionOrStatus": "Current official guidance; checked 2026-08-23", "sourceTier": 3, "evidenceRole": "operational_safety_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-23", "nextEditorialReviewDue": "2027-02-19", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Great Britain Health and Safety Executive fragile-surfaces page returned HTTP 200 on 2026-10-06 and was folded into the roof-retrofit check group. It is occupational-safety guidance on working on or near fragile roof surfaces, including glass and fragile sheets; it is not a walkability certificate, a product rating or a global residential rule, and it does not approve any connection or covering.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-machinery-legislation", "organization": "European Commission — DG Internal Market, Industry, Entrepreneurship and SMEs", "title": "Machinery — EU machinery legislation, Directive 2006/42/EC and Regulation (EU) 2023/1230", "canonicalUrl": "https://single-market-economy.ec.europa.eu/sectors/mechanical-engineering/machinery_en", "citedEditionOrStatus": "Living official page; Regulation applies mandatorily from 2027-01-20; checked 2026-09-22", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-22", "nextEditorialReviewDue": "2027-03-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission machinery page returned HTTP 200 and its machinery definition, de-facto-new-machinery modification statement and 20 January 2027 application date for Regulation (EU) 2023/1230 were checked on 2026-09-22. It does not classify a powered pergola, its drive or a retrofit, and it is not a global requirement or a force limit.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "hse-powered-gates", "organization": "Health and Safety Executive (Great Britain)", "title": "Powered gates — the basics", "canonicalUrl": "https://www.hse.gov.uk/work-equipment-machinery/powered-gates/basics.htm", "citedEditionOrStatus": "Page updated 2023-03-16; checked 2026-09-22", "sourceTier": 2, "evidenceRole": "operational_safety_context", "geographicScope": "great_britain", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-22", "nextEditorialReviewDue": "2027-03-21", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered HSE powered-gates basics page returned HTTP 200 and its machine-classification statements, hazard list, competent installation and maintenance requirements, safe-condition and out-of-use boundaries were checked on 2026-09-22. 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Browser verification does not determine project applicability or remove the need to recheck later legal changes.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "wales-approved-documents", "organization": "Welsh Government", "title": "Building regulations: approved documents", "canonicalUrl": "https://www.gov.wales/building-regulations-approved-documents", "citedEditionOrStatus": "Living official collection; checked 2026-07-30", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "wales", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2026-10-31", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The registered URL rejected the automated client and requires browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "scotland-building-standards", "organization": "Scottish Government", "title": "Building standards", "canonicalUrl": "https://www.gov.scot/collections/building-standards/", "citedEditionOrStatus": "Living official collection; 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this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "pompeii-vineyard-pergola", "organization": "Archaeological Park of Pompeii", "title": "Pompeii and a new management of the vineyards and the wine — press dossier", "canonicalUrl": "https://pompeiisites.org/wp-content/uploads/CARTELLA-STAMPA-Partenariato-Vigneti.pdf", "citedEditionOrStatus": "Official archaeological-park dossier; 2022", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "italy", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "bnf-crescenzi-garden", "organization": "Bibliothèque nationale de France", "title": "Pietro de’ Crescenzi — Le Potager manuscript context", "canonicalUrl": "https://classes.bnf.fr/candide/grand/can_171.htm", "citedEditionOrStatus": "Text composed 1305–1309; manuscript illumination circa 1480–1485", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "france", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "redirected_off_target_200", "observedHttpStatus": 200, "manualFollowupRequired": true, "retrievalNote": "The registered legacy BnF URL returned HTTP 200 after redirecting to the BnF Essentiels homepage rather than the cited record; preserve the institutional URL and verify a replacement route manually.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "met-french-renaissance-gardens", "organization": "The Metropolitan Museum of Art", "title": "Gardens in the French Renaissance", "canonicalUrl": "https://www.metmuseum.org/essays/gardens-in-the-french-renaissance", "citedEditionOrStatus": "Heilbrunn Timeline of Art History essay; 2008", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "france", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "rate_limited_429", "observedHttpStatus": 429, "manualFollowupRequired": true, "retrievalNote": "The registered Met URL returned HTTP 429 to the automated client; the source requires browser follow-up rather than a broken-link conclusion.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "city-london-hill-pergola", "organization": "City of London Corporation", "title": "The Hill Garden and Pergola", "canonicalUrl": "https://www.cityoflondon.gov.uk/things-to-do/green-spaces/hampstead-heath/where-to-go-at-hampstead-heath/hill-garden-and-pergola", "citedEditionOrStatus": "Living heritage-site record; checked 2026-07-30", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "england", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-01-29", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "fao-soave-pergola", "organization": "Food and Agriculture Organization of the United Nations", "title": "Soave Traditional Vineyards — Pergola Veronese", "canonicalUrl": "https://www.fao.org/giahs/giahs-around-the-world/italy-soave-traditional-system/en", "citedEditionOrStatus": "GIAHS system designated 2018; 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read 2026-10-01", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "great_britain", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-01", "nextEditorialReviewDue": "2026-12-30", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Oxford Advanced Learner's Dictionary entry for pergola returned HTTP 200 and its text was read on 2026-10-01: the British pronunciation /ˈpɜːɡələ/, the North American /ˈpɜːrɡələ/, the definition 'a wooden structure in a garden for plants to grow over and people to sit or walk under', and the word origin 'mid 17th cent.: from Italian, from Latin pergula \"projecting roof\", from pergere \"come or go forward\"'. A dictionary entry records a word, a pronunciation and one general definition; it supplies no span, section, material grade, weather performance, fire classification or permit requirement, and the entry's own wording limits the definition to a wooden structure.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ujc-pergola", "organization": "Czech Language Institute, Czech Academy of Sciences (ÚJČ AV ČR)", "title": "Internetová jazyková příručka — pergola: hyphenation, gender, declension and dictionary excerpts", "canonicalUrl": "https://prirucka.ujc.cas.cz/?slovo=pergola", "citedEditionOrStatus": "Current language reference; read 2026-10-01", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "czechia", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-01", "nextEditorialReviewDue": "2026-12-30", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Internetová jazyková příručka entry for pergola, published by the Czech Language Institute of the Czech Academy of Sciences, returned HTTP 200 and its text was read on 2026-10-01: the headword pergola, hyphenation per-go-la, feminine gender, full singular and plural declension, and reprinted dictionary definitions describing an architectural light arbour (lehké loubí) of free-standing columns joined at the top and overgrown with climbing plants, with SSJČ recording the Italian origin (z it.). It is a language record of Czech spelling, grammar and one borrowed term.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "duden-pergola", "organization": "Duden (Bibliographisches Institut)", "title": "Pergola: spelling, hyphenation and meaning", "canonicalUrl": "https://www.duden.de/rechtschreibung/Pergola", "citedEditionOrStatus": "Current dictionary entry; read 2026-10-01", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "germany", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-01", "nextEditorialReviewDue": "2026-12-30", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Duden entry for Pergola returned HTTP 200 and its text was read on 2026-10-01: the headword Pergola, the hyphenation Per|go|la and the meaning 'berankter Laubengang'. It is a German spelling and meaning record and defines no construction type, material system or approval category.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "tdk-pergola", "organization": "Türk Dil Kurumu (Turkish Language Association)", "title": "Güncel Türkçe Sözlük — pergola", "canonicalUrl": "https://sozluk.gov.tr/gts?ara=pergola", "citedEditionOrStatus": "Current official dictionary record; read 2026-10-01", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "turkey", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-01", "nextEditorialReviewDue": "2026-12-30", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Güncel Türkçe Sözlük record for pergola, published by the Turkish Language Association (Türk Dil Kurumu), returned HTTP 200 and its content was read on 2026-10-01: the entry pergola marked as a loan from Italian (İtalyanca pergola), classified as a noun, with the single sense gölgelik. A national dictionary record of a loanword and one meaning is not a product, structural or planning classification.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ujc-altan", "organization": "Czech Language Institute, Czech Academy of Sciences (ÚJČ AV ČR)", "title": "Internetová jazyková příručka — altán: hyphenation, gender, declension and dictionary excerpts", "canonicalUrl": "https://prirucka.ujc.cas.cz/?slovo=alt%C3%A1n", "citedEditionOrStatus": "Current language reference; read 2026-10-03", "sourceTier": 3, "evidenceRole": "historical_or_terminology_context", "geographicScope": "czechia", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-03", "nextEditorialReviewDue": "2027-01-01", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Internetová jazyková příručka entry for altán, published by the Czech Language Institute of the Czech Academy of Sciences, returned HTTP 200 and its text was read on 2026-10-03: the headword altán, hyphenated al-tán, masculine inanimate, with its full singular and plural declension and reprinted dictionary senses — ASCS describing an open or glazed small structure in a garden or park (otevřená n. zasklená malá stavba v zahradě, v parku, besídka) and, in architecture, a low tower-like superstructure of a house, and SSČ recording a smaller airy structure or summerhouse (menší vzdušná stavba, besídka). It is a language record of a Czech word naming a garden pavilion or summerhouse and is not a synonym for pergola; it classifies no pergola, material, product or approval.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "horikoshi-pergola-thermal", "organization": "Building and Environment", "title": "Evaluation of outdoor thermal comfort in sunlight, building shade, and pergola shade during summer in a humid subtropical region", "canonicalUrl": "https://doi.org/10.1016/j.buildenv.2014.10.002", "citedEditionOrStatus": "Peer-reviewed field study; 2014; DOI 10.1016/j.buildenv.2014.10.002", "sourceTier": 3, "evidenceRole": "peer_reviewed_research_context", "geographicScope": "japan", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "middel-shade-thermal", "organization": "International Journal of Biometeorology", "title": "Impact of shade on outdoor thermal comfort — a seasonal field study in Tempe, Arizona", "canonicalUrl": "https://doi.org/10.1007/s00484-016-1172-5", "citedEditionOrStatus": "Peer-reviewed field study; 2016; DOI 10.1007/s00484-016-1172-5", "sourceTier": 3, "evidenceRole": "peer_reviewed_research_context", "geographicScope": "united_states", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "vazquez-green-pergola", "organization": "Sustainability", "title": "Greenery System for Cooling Down Outdoor Spaces: Results of an Experimental Study", "canonicalUrl": "https://doi.org/10.3390/su12155888", "citedEditionOrStatus": "Peer-reviewed experimental study; 2020; DOI 10.3390/su12155888", "sourceTier": 3, "evidenceRole": "peer_reviewed_research_context", "geographicScope": "spain", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": true, "retrievalNote": "The DOI resolved to the publisher, which returned HTTP 403 to the automated client; DOI metadata and article scope require browser follow-up.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ademe-summer-comfort-vegetation", "organization": "ADEME", "title": "Canicule : comment rester au frais sans climatisation ?", "canonicalUrl": "https://agirpourlatransition.ademe.fr/particuliers/proteger-sante/periode-canicule/canicule-comment-garder-logement-frais", "citedEditionOrStatus": "Official French guidance published 2026-05-29; browser-checked 2026-08-19", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "access_restricted_403", "observedHttpStatus": 403, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 403 from the registered ADEME page on 2026-08-19; its visible official-page content was separately browser-verified on 2026-08-19. This does not establish a pergola cooling rating, plant choice or project outcome.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "cerema-vegetated-pergola-urban-heat", "organization": "Cerema", "title": "Étude surchauffe urbaine — Châteauneuf-sur-Charente", "canonicalUrl": "https://doc.cerema.fr/digitalCollection/DigitalCollectionAttachmentDownloadHandler.ashx?documentId=599677&parentDocumentId=599676&skipCopyright=true&skipWatermark=true", "citedEditionOrStatus": "Official local study report; 2024-02; checked 2026-08-19", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered French public guidance on 2026-08-19; reachability does not establish plant suitability, structural capacity, cooling performance or transfer outside the stated French context.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "ofb-vegetal-local", "organization": "Office français de la biodiversité", "title": "Végétal local", "canonicalUrl": "https://ofb.gouv.fr/vegetal-local", "citedEditionOrStatus": "Living official French biodiversity guidance; checked 2026-08-19", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered French public guidance on 2026-08-19; reachability does not establish plant suitability, structural capacity, cooling performance or transfer outside the stated French context.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "paris-climbing-plant-support", "organization": "Ville de Paris", "title": "Végétaliser les toits et les murs", "canonicalUrl": "https://www.paris.fr/pages/la-vegetalisation-du-bati-21439", "citedEditionOrStatus": "Living municipal guidance updated 2026; checked 2026-08-19", "sourceTier": 3, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "france", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered French public guidance on 2026-08-19; reachability does not establish plant suitability, structural capacity, cooling performance or transfer outside the stated French context.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "iowa-state-climbing-rose", "organization": "Iowa State University Extension and Outreach", "title": "How to Prune Roses — Climbing Rose", "canonicalUrl": "https://yardandgarden.extension.iastate.edu/how-to/how-prune-roses", "citedEditionOrStatus": "University extension guidance reviewed 2025-02; checked 2026-09-07", "sourceTier": 3, "evidenceRole": "horticultural_design_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered Iowa State Extension guidance returned HTTP 200 and its climbing-rose section was checked on 2026-09-07. Its support and training principles do not establish local cultivar suitability, pruning timing or pergola structural capacity.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "unh-grape-arbor-training", "organization": "University of New Hampshire Extension", "title": "Pruning and Training Grapes in the Home Vineyard", "canonicalUrl": "https://extension.unh.edu/resource/pruning-and-training-grapes-home-vineyard-fact-sheet", "citedEditionOrStatus": "University extension fact sheet published 2021-02; checked 2026-09-07", "sourceTier": 3, "evidenceRole": "horticultural_design_context", "geographicScope": "united_states", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-09-07", "nextEditorialReviewDue": "2027-03-06", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered University of New Hampshire Extension fact sheet returned HTTP 200 and its grape-arbor section was checked on 2026-09-07. Its cold-climate dimensions, plant counts, timing and training details do not transfer universally.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-2019-1188", "organization": "European Union", "title": "Commission Delegated Regulation (EU) 2019/1188 — wind-load performance classes for external blinds and awnings", "canonicalUrl": "https://eur-lex.europa.eu/eli/reg_del/2019/1188/oj/eng", "citedEditionOrStatus": "Official Journal; 2019", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-10-13", "nextEditorialReviewDue": "2027-10-13", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The official EUR-Lex PDF for Commission Delegated Regulation (EU) 2019/1188 was readable in the browser on 2026-10-13 and lists pergola awnings in the EN 13561 external-blinds-and-awnings product family. The registered HTML endpoint separately returned HTTP 202 to one command-line client, so retrieval evidence is limited to the browser-read official text; it does not extend the product scope to rigid or stacking louvers, prove frame or anchorage capacity, or set a safe project wind speed.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-2023-1586", "organization": "European Union", "title": "Commission Implementing Decision (EU) 2023/1586 — harmonised machinery standards", "canonicalUrl": "https://eur-lex.europa.eu/eli/dec_impl/2023/1586/oj/eng", "citedEditionOrStatus": "Current consolidated official entry checked 2026-07-30", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered EUR-Lex record on 2026-08-02; this does not validate legal applicability, edition or local adoption.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-cpr-2024", "organization": "European Union", "title": "Regulation (EU) 2024/3110 laying down harmonised rules for the marketing of construction products", "canonicalUrl": "https://eur-lex.europa.eu/eli/reg/2024/3110/oj/eng", "citedEditionOrStatus": "Official Journal; 2024", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200 from the registered EUR-Lex record on 2026-08-02; this does not validate legal applicability, edition or local adoption.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-cpr-portal", "organization": "European Commission", "title": "Construction Products Regulation portal", "canonicalUrl": "https://single-market-economy.ec.europa.eu/sectors/construction/construction-products-regulation-cpr_en", "citedEditionOrStatus": "Living official portal; checked 2026-10-16", "sourceTier": 4, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "living_web_guidance", "reviewIntervalDays": 180, "lastAutomatedRetrievalCheck": "2026-10-16", "nextEditorialReviewDue": "2027-04-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered European Commission Construction Products Regulation portal returned HTTP 200 and was read on 2026-10-16. It is the current entry point for the new and previous CPR frameworks, product contact points, declarations and notified-body information; it does not decide whether a bioclimatic-pergola kit, its excluded interfaces or its installed configuration satisfies project requirements.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "eu-cpr-harmonised-standards-2026", "organization": "European Commission", "title": "Summary of references of harmonised standards under Regulation (EU) No 305/2011", "canonicalUrl": "https://single-market-economy.ec.europa.eu/document/download/b7ff8581-3a87-4d72-98d6-41301f56d888_en?filename=305_2011_CPR_Summary+list+of+harmonised+standards_Generated+on+9.2.2026.pdf", "citedEditionOrStatus": "Informational consolidated list generated 2026-02-09", "sourceTier": 1, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "edition_or_archival_record", "reviewIntervalDays": 365, "lastAutomatedRetrievalCheck": "2026-08-02", "nextEditorialReviewDue": "2027-08-02", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The automated client received HTTP 200; this does not validate content, edition or current applicability.", "currencyInference": "not_inferred_from_http_status" }, { "sourceId": "din-en-13561", "organization": "DIN Media", "title": "DIN EN 13561:2015 — External blinds and awnings — Performance requirements including safety", "canonicalUrl": "https://www.dinmedia.de/en/standard/din-en-13561/234094477", "citedEditionOrStatus": "Official national standards-catalog metadata; 2015 edition", "sourceTier": 4, "evidenceRole": "technical_or_regulatory_context", "geographicScope": "european_framework", "lifecycleClass": "standards_or_code_directory", "reviewIntervalDays": 90, "lastAutomatedRetrievalCheck": "2026-10-16", "nextEditorialReviewDue": "2027-01-14", "automatedRetrievalStatus": "reachable_200", "observedHttpStatus": 200, "manualFollowupRequired": false, "retrievalNote": "The registered DIN Media catalogue record for DIN EN 13561:2015 returned HTTP 200 and its public scope metadata was rechecked on 2026-10-16. It identifies pergola awnings within the external-blinds-and-awnings product family and separates the product from the supporting structure; it does not define every rigid-louver kit, included anchors or foundations, installed drainage performance or project approval.", "currencyInference": "not_inferred_from_http_status" } ] }