{
  "study_id": "PP-2026-10-14-EGRESS-01",
  "title": "Egress-window permit packet document comparison",
  "retrieval_date": "2026-10-14",
  "collection_window": {
    "start": "2026-10-14",
    "end": "2026-10-14",
    "timezone": "UTC"
  },
  "design": "Purposive document comparison; selected published instructions only",
  "sample": {
    "observations": 13,
    "jurisdictions": 3,
    "states": 2,
    "row_bearing_sources": 3,
    "context_sources": 1,
    "actual_applications": 0
  },
  "source_date_range": {
    "oldest_dated_row_source": "2024-07",
    "newest_dated_row_source": "2026-09-01",
    "undated_row_sources": 0
  },
  "missingness": {
    "unknown_outcomes": 13,
    "unknown_corrections": 13,
    "rows_with_unstated_source_revision": 0,
    "complete_origin_capture_unavailable_sources": []
  },
  "limitations": [
    "Nonrandom and nonrepresentative selection. Counts are not rates or frequencies.",
    "Sources cover differing scopes; conditions are preserved and no complete egress checklist is claimed.",
    "No code-compliance, professional-design, fee, delay, approval or causal conclusion is established.",
    "Official guidance can be amended; retrieval is not legal currency verification.",
    "Five candidate Oak Creek records were excluded before publication because current official corroboration could not be established. The published sample contains only Wheaton, Westmont and Indianapolis."
  ],
  "data_dictionary": {
    "observation_id": "Unique stable record ID; not a permit or applicant identifier.",
    "jurisdiction": "Issuing municipality named by the source.",
    "state": "US postal abbreviation.",
    "project_review_type": "The source’s applicable project/review category.",
    "scope_condition": "Condition or scope boundary attached to the selected instruction.",
    "topic": "Researcher-assigned descriptive label; not severity, prevalence or a reviewer finding.",
    "reviewer_check_or_documented_issue": "Concise paraphrase of the published submission instruction. No observed case issue is represented.",
    "evidence_category": "All records are published_submission_requirement. Reserved case evidence would require a separate category.",
    "source_id": "Foreign key into sources.",
    "source_url": "Verified source URL; one official CDN asset is linked from its city page.",
    "source_document": "Document/page title.",
    "source_locator": "Human-readable section, item or one-based PDF page reference.",
    "source_version_date": "Stated revision date in ISO day or month precision; null/empty when not stated.",
    "source_date_precision": "day, month or not_stated. Never infer a revision from a crawl date.",
    "retrieval_date": "UTC collection date, YYYY-MM-DD; not the date the rule took effect.",
    "outcome_status_known": "unknown_not_collected for all rows. A published instruction is not an application outcome.",
    "observed_correction": "Null in JSON and empty in CSV; no correction records were collected.",
    "observed_outcome": "Null in JSON and empty in CSV; no approvals/denials were collected.",
    "notes": "Limits needed to interpret this individual record."
  },
  "sources": [
    {
      "source_id": "S01",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "title": "Window Replacement - Residential",
      "url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "version_basis": "Page footer: Revised 9/1/2026",
      "source_scope": "Residential window replacement; architectural-plan list conditional on modifying opening sizes.",
      "retrieval_date": "2026-10-14",
      "access_method": "Direct origin HTML download and web-reader cross-check",
      "row_bearing": true,
      "anchor_excerpt": "Existing and proposed opening dimensions",
      "caveat": "Selected submission instructions only. No numerical code thresholds adopted in this study.",
      "capture_sha256": "83593be947a7f098dc2073ef6c4f5c39fb8f37dacd285c22da5955782fca0d18",
      "last_rechecked": "2026-10-14"
    },
    {
      "source_id": "S03",
      "jurisdiction": "Westmont",
      "state": "IL",
      "title": "Window and Exterior Door Specifications, Requirements and Guidelines",
      "url": "https://westmont.illinois.gov/DocumentCenter/View/1299/Windows--Exterior-Doors-Specifications-and-Guidelines---Fillable--Revised-07-2024",
      "source_version_date": "2024-07",
      "source_date_precision": "month",
      "version_basis": "Printed footer: REV 7/2024; PDF/search title says Revised 3/2023, so the printed footer is retained",
      "source_scope": "Insert-only specification sheet with an explicit scope boundary for load-affecting exterior wall opening changes.",
      "retrieval_date": "2026-10-14",
      "access_method": "Direct original PDF download and live permit-page link verification",
      "row_bearing": true,
      "anchor_excerpt": "This document is for inserts only.",
      "caveat": "The live municipal permit page flags later ordinance updates and warns about outdated guide zoning references. This study uses document requests and scope wording, not numerical code limits.",
      "capture_sha256": "097736052ba99437cd8213dc78711c2f0e278b15e98861d99df859fa7ddee711",
      "last_rechecked": "2026-10-14"
    },
    {
      "source_id": "S04",
      "jurisdiction": "Indianapolis",
      "state": "IN",
      "title": "Residential Plan Submittal Checklist",
      "url": "https://us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmo7inprq1hau07kc1hve34r2?dl=true",
      "landing_page": "https://www.indy.gov/activity/residential-permit-checklist",
      "source_version_date": "2025-02-10",
      "source_date_precision": "day",
      "version_basis": "Printed footer: 2/10/25 on both pages",
      "source_scope": "Residential structural permit checklist: Remodel block and applicable Common Additional Details.",
      "retrieval_date": "2026-10-14",
      "access_method": "PDF downloaded from asset linked by the official landing page published content",
      "row_bearing": true,
      "anchor_excerpt": "Egress windows labeled in bedrooms.",
      "caveat": "Broader remodel checklist, not a dedicated egress-window or well-installation handout. Current live-linked PDF supersedes the search-discovered 2019 version for this comparison.",
      "capture_sha256": "6af9d0b42684d554c1102d3b5a4a6531cc85bdfd2ac9163862c833d9ce64a452",
      "last_rechecked": "2026-10-14"
    },
    {
      "source_id": "S05",
      "jurisdiction": "Westmont",
      "state": "IL",
      "title": "Permitting Division",
      "url": "https://westmont.illinois.gov/339/Permitting-Division",
      "source_version_date": null,
      "source_date_precision": "not_stated",
      "version_basis": "No overall revision date stated; page refers to ordinance amendments on August 20, 2026 and zoning adoption on August 25, 2025",
      "source_scope": "Contextual page establishing the window-guide link and version limitations.",
      "retrieval_date": "2026-10-14",
      "access_method": "Direct origin HTML download and web-reader cross-check",
      "row_bearing": false,
      "anchor_excerpt": null,
      "caveat": "Context source only. No fee, review-time or design threshold is extracted.",
      "capture_sha256": "c781179d8f646a58f91f06b43c305a17e7cc23e4d8437ba681909c6aed022fb4",
      "last_rechecked": "2026-10-14"
    }
  ],
  "observations": [
    {
      "observation_id": "IL-WHE-01",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Residential window replacement",
      "scope_condition": "Manufacturer information list, items 1a–1b",
      "topic": "product_information",
      "reviewer_check_or_documented_issue": "Identify window models and quantities and provide each model’s energy ratings.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, item 1",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "No finding about a particular product’s compliance."
    },
    {
      "observation_id": "IL-WHE-02",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Modified residential window opening",
      "scope_condition": "Applies when opening sizes are modified",
      "topic": "plan_views",
      "reviewer_check_or_documented_issue": "Show the change in plan and elevation views.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, items 2a–2b",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Scope-conditioned plan request."
    },
    {
      "observation_id": "IL-WHE-03",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Modified residential window opening",
      "scope_condition": "Applies when opening sizes are modified",
      "topic": "opening_dimensions",
      "reviewer_check_or_documented_issue": "Dimension the existing and proposed openings.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, item 2c",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "No minimum size is asserted."
    },
    {
      "observation_id": "IL-WHE-04",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Modified residential window opening",
      "scope_condition": "Applies when opening sizes are modified",
      "topic": "structural_details",
      "reviewer_check_or_documented_issue": "Specify the header’s size and span and show its bearing supports.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, items 2d–2e",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "No structural member is designed or approved here."
    },
    {
      "observation_id": "IL-WHE-05",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Modified residential window opening",
      "scope_condition": "Applies when opening sizes are modified",
      "topic": "structural_details",
      "reviewer_check_or_documented_issue": "Detail framing infill below the new opening.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, item 2f",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Selected information request only."
    },
    {
      "observation_id": "IL-WHE-06",
      "jurisdiction": "Wheaton",
      "state": "IL",
      "project_review_type": "Modified residential window opening",
      "scope_condition": "Applies when opening sizes are modified",
      "topic": "related_work",
      "reviewer_check_or_documented_issue": "Identify electrical changes in the architectural plans.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S01",
      "source_url": "https://www.wheaton.il.us/812/Window-Replacement---Residential",
      "source_document": "Window Replacement - Residential",
      "source_locator": "Please submit the following information, item 2g",
      "source_version_date": "2026-09-01",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Does not establish a separate trade-permit determination."
    },
    {
      "observation_id": "IL-WES-01",
      "jurisdiction": "Westmont",
      "state": "IL",
      "project_review_type": "Window insert or load-affecting opening change",
      "scope_condition": "Sheet covers inserts; separate instruction addresses changes affecting structural loading",
      "topic": "scope_and_professional_design",
      "reviewer_check_or_documented_issue": "For load-affecting opening changes, submit plans signed and sealed by an Illinois architect or structural engineer.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S03",
      "source_url": "https://westmont.illinois.gov/DocumentCenter/View/1299/Windows--Exterior-Doors-Specifications-and-Guidelines---Fillable--Revised-07-2024",
      "source_document": "Window and Exterior Door Specifications, Requirements and Guidelines",
      "source_locator": "PDF page 1, opening NOTE",
      "source_version_date": "2024-07",
      "source_date_precision": "month",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "The insert-only sheet is not treated as a complete new-opening permit checklist."
    },
    {
      "observation_id": "IL-WES-02",
      "jurisdiction": "Westmont",
      "state": "IL",
      "project_review_type": "Window insert specification review",
      "scope_condition": "Insert-only sheet",
      "topic": "product_information",
      "reviewer_check_or_documented_issue": "Provide manufacturer data for the net clear opening and energy performance.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S03",
      "source_url": "https://westmont.illinois.gov/DocumentCenter/View/1299/Windows--Exterior-Doors-Specifications-and-Guidelines---Fillable--Revised-07-2024",
      "source_document": "Window and Exterior Door Specifications, Requirements and Guidelines",
      "source_locator": "PDF page 1, section 1, manufacturer-specification bullet",
      "source_version_date": "2024-07",
      "source_date_precision": "month",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "No current numerical energy or egress limits inferred."
    },
    {
      "observation_id": "IL-WES-03",
      "jurisdiction": "Westmont",
      "state": "IL",
      "project_review_type": "Window insert specification review",
      "scope_condition": "Insert-only sheet",
      "topic": "location",
      "reviewer_check_or_documented_issue": "Identify the building side and floor level for the window.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S03",
      "source_url": "https://westmont.illinois.gov/DocumentCenter/View/1299/Windows--Exterior-Doors-Specifications-and-Guidelines---Fillable--Revised-07-2024",
      "source_document": "Window and Exterior Door Specifications, Requirements and Guidelines",
      "source_locator": "PDF page 1, section 2",
      "source_version_date": "2024-07",
      "source_date_precision": "month",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Sheet includes a basement-level field."
    },
    {
      "observation_id": "IN-IND-01",
      "jurisdiction": "Indianapolis",
      "state": "IN",
      "project_review_type": "Residential structural permit: remodel",
      "scope_condition": "Affected floors within the remodel scope",
      "topic": "room_and_scope_context",
      "reviewer_check_or_documented_issue": "Show proposed work, existing/proposed room uses, smoke detectors, doors and windows on scoped floor plans.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S04",
      "source_url": "https://us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmo7inprq1hau07kc1hve34r2?dl=true",
      "source_document": "Residential Plan Submittal Checklist",
      "source_locator": "PDF page 1, Structural Permit > Remodel, item 1",
      "source_version_date": "2025-02-10",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Selected portion of a broader remodel checklist."
    },
    {
      "observation_id": "IN-IND-02",
      "jurisdiction": "Indianapolis",
      "state": "IN",
      "project_review_type": "Residential structural permit: remodel",
      "scope_condition": "Remodel block",
      "topic": "structural_details",
      "reviewer_check_or_documented_issue": "Provide framing information for walls, windows and doors.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S04",
      "source_url": "https://us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmo7inprq1hau07kc1hve34r2?dl=true",
      "source_document": "Residential Plan Submittal Checklist",
      "source_locator": "PDF page 1, Structural Permit > Remodel, item 2",
      "source_version_date": "2025-02-10",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Other remodel construction details are outside this selected extraction."
    },
    {
      "observation_id": "IN-IND-03",
      "jurisdiction": "Indianapolis",
      "state": "IN",
      "project_review_type": "Residential structural permit: applicable additional details",
      "scope_condition": "Bedroom context in Common Additional Details",
      "topic": "room_and_scope_context",
      "reviewer_check_or_documented_issue": "Identify bedroom egress windows on the plans.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S04",
      "source_url": "https://us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmo7inprq1hau07kc1hve34r2?dl=true",
      "source_document": "Residential Plan Submittal Checklist",
      "source_locator": "PDF page 2, Common Additional Details, item 3",
      "source_version_date": "2025-02-10",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "Does not establish that every window-only project creates a bedroom."
    },
    {
      "observation_id": "IN-IND-04",
      "jurisdiction": "Indianapolis",
      "state": "IN",
      "project_review_type": "Residential structural permit: applicable additional details",
      "scope_condition": "Existing portions proposed for removal",
      "topic": "demolition",
      "reviewer_check_or_documented_issue": "Use a demolition drawing to identify portions of the existing structure being removed.",
      "evidence_category": "published_submission_requirement",
      "source_id": "S04",
      "source_url": "https://us-east-1-indy.graphassets.com/ActDBC5rvRWeCZlNNnLrDz/cmo7inprq1hau07kc1hve34r2?dl=true",
      "source_document": "Residential Plan Submittal Checklist",
      "source_locator": "PDF page 2, Common Additional Details, item 4",
      "source_version_date": "2025-02-10",
      "source_date_precision": "day",
      "retrieval_date": "2026-10-14",
      "outcome_status_known": "unknown_not_collected",
      "observed_correction": null,
      "observed_outcome": null,
      "notes": "No project-specific demolition or structural method is provided."
    }
  ],
  "version": "1.0-publication",
  "publication_recheck_date": "2026-10-14",
  "revision_history": [
    {
      "date": "2026-10-14",
      "change": "Publication review excluded five Oak Creek candidate records; published sample reduced from 18 candidate records across four municipalities to 13 retained records across three municipalities. Original research row IDs retained."
    }
  ]
}