{
  "dataset": "Uptime Commercial Garage Door Cost Evidence Ledger",
  "version": "1.1.0",
  "compiled": "2026-09-17",
  "compiler": "Uptime Dock & Door Research",
  "geography": "United States: one rolling-sheet seller; one sectional seller; one Hudson Valley installer; named Minnesota/Wisconsin public projects; national BLS series.",
  "currency": "USD, nominal, not inflation adjusted",
  "rolling_sheet_price_cells": 148,
  "sectional_models": 8,
  "installed_ledger_rows": 9,
  "price_index_rows": 120,
  "cost_drivers": 20,
  "sources": 42,
  "rolling_sheet_price_range": {
    "min_usd": 873,
    "max_usd": 4676,
    "median_usd_CALC": 2440.5,
    "population": "148 published base-price cells from four Janus models at Roll Up Doors Direct; not national average",
    "source_urls": [
      "https://www.rollupdoorsdirect.com/rollupdoor2000.php",
      "https://www.rollupdoorsdirect.com/rollupdoor2500.php",
      "https://www.rollupdoorsdirect.com/rollupdoor3100.php",
      "https://www.rollupdoorsdirect.com/rollupdoor3400.php"
    ],
    "price_effective_date": null,
    "price_per_sqft_min_CALC": 10.44,
    "price_per_sqft_max_CALC": 36.53,
    "area_formula": "price / (width-band upper bound * height-band upper bound)"
  },
  "size_curve": {
    "model": "2500",
    "source_url": "https://www.rollupdoorsdirect.com/rollupdoor2500.php",
    "small_record_id": "RUD-2500-8x8",
    "large_record_id": "RUD-2500-18x18",
    "small_price_usd": 1112,
    "large_price_usd": 3382,
    "small_area_sqft": 64,
    "large_area_sqft": 324,
    "area_multiple_CALC": 5.06,
    "price_multiple_CALC": 3.04,
    "per_sqft_change_pct_CALC": -39.9,
    "formula": "((3382/324)/(1112/64)-1)*100; calculated from unrounded inputs"
  },
  "model_step_2000_to_2500": {
    "matched_cells": 24,
    "min_pct_CALC": 9.8,
    "max_pct_CALC": 31.0,
    "at_12x12_delta_usd_CALC": 337,
    "at_12x12_delta_pct_CALC": 20.4,
    "source_urls": [
      "https://www.rollupdoorsdirect.com/rollupdoor2000.php",
      "https://www.rollupdoorsdirect.com/rollupdoor2500.php"
    ],
    "interpretation": "Whole-model difference, not isolated feature cost"
  },
  "model_3100_vs_2500": {
    "matched_pairs": 41,
    "min_pct_CALC": 20.6,
    "max_pct_CALC": 62.0,
    "source_urls": [
      "https://www.rollupdoorsdirect.com/rollupdoor2500.php",
      "https://www.rollupdoorsdirect.com/rollupdoor3100.php"
    ],
    "interpretation": "Whole-model price differences; no isolated wind-certification premium"
  },
  "model_3400_vs_2500": {
    "matched_pairs": 24,
    "min_pct_CALC": 61.3,
    "max_pct_CALC": 110.7,
    "source_urls": [
      "https://www.rollupdoorsdirect.com/rollupdoor2500.php",
      "https://www.rollupdoorsdirect.com/rollupdoor3400.php"
    ],
    "interpretation": "Whole-model price differences; no isolated HVHZ approval premium"
  },
  "sectional_starting_price_comparisons": [
    {
      "from_model": "2402",
      "to_model": "2412",
      "from_price_usd": 1227.82,
      "to_price_usd": 1499.32,
      "delta_usd_CALC": 271.5,
      "delta_pct_CALC": 22.1,
      "source_url": "https://doorson-line.com/models/door-models/commercial/amarr",
      "scope": "Unsized model starts; not controlled insulation premium"
    },
    {
      "from_model": "2402",
      "to_model": "2002",
      "from_price_usd": 1227.82,
      "to_price_usd": 1414.88,
      "delta_usd_CALC": 187.06,
      "delta_pct_CALC": 15.2,
      "source_url": "https://doorson-line.com/models/door-models/commercial/amarr",
      "scope": "Unsized model starts; not controlled gauge/duty premium"
    }
  ],
  "sectional_2742_to_2412_gap": {
    "from_model": "2412",
    "to_model": "2742",
    "from_price_usd": 1499.32,
    "to_price_usd": 2240.72,
    "delta_usd_CALC": 741.4,
    "source_url": "https://doorson-line.com/models/door-models/commercial/amarr",
    "scope": "Unsized whole-model difference, not an R-value price"
  },
  "illustrative_opening_area_comparison": {
    "commercial_example_width_ft": 12,
    "commercial_example_height_ft": 12,
    "residential_example_width_ft": 9,
    "residential_example_height_ft": 7,
    "commercial_area_sqft_CALC": 144,
    "residential_area_sqft_CALC": 63,
    "area_multiple_CALC": 2.29,
    "scope": "Arithmetic for two example openings, not survey of standard sizes or a price multiplier"
  },
  "freight_example": {
    "seller": "Doors On-Line",
    "two_door_total_usd": 360,
    "three_door_total_usd": 475,
    "two_door_per_door_usd_CALC": 180.0,
    "three_door_per_door_usd_CALC": 158.33,
    "source_url": "https://doorson-line.com/models/door-models/commercial/amarr",
    "scope": "Seller estimate subject to destination and volume; not Roll Up Doors Direct freight"
  },
  "quote_worked_example": {
    "door_record_id": "RUD-2000-12x12",
    "unit_door_price_usd": 1652,
    "quantity": 2,
    "known_subtotal_usd_CALC": 3304.0,
    "freight_usd": null,
    "installation_usd": null,
    "project_total_usd": null,
    "source_url": "https://www.rollupdoorsdirect.com/rollupdoor2000.php",
    "formula": "2 * 1652; unpriced scope stays unresolved"
  },
  "public_bid_normalizations": [
    {
      "record_id": "BID-MCC-YALE",
      "bid_amount_usd": 193200,
      "door_count": 4,
      "per_door_usd_CALC": 48300.0,
      "source_url": "https://lims.minneapolismn.gov/MarkedAgenda/Council/5914",
      "date": "2026-04-09",
      "date_kind": "Council acceptance; not payment date",
      "scope": "Project bid divided by stated count; not door-only price, national average or final payment"
    },
    {
      "record_id": "BID-WAUSAU-CENTRAL",
      "bid_amount_usd": 24252,
      "door_count": 2,
      "per_door_usd_CALC": 12126.0,
      "source_url": "https://www.wausauwi.gov/your-government/engineering/bids/bid-tabulations",
      "date": "2025-06-24",
      "date_kind": "Bid opening",
      "scope": "Project bid divided by stated count; not door-only price, national average or final payment"
    }
  ],
  "bid_spread": [
    {
      "record_id": "SPREAD-HAAF-4220",
      "project": "City of Minneapolis, Haaf Ramp Vehicle Door Installation Project, Event 4220",
      "date": "2026-08-05",
      "date_kind": "Bid opening",
      "submitted_bid_count": 3,
      "door_count": null,
      "low_bid_usd": 521300,
      "high_bid_usd": 552018,
      "spread_usd_CALC": 30718,
      "spread_pct_CALC": 5.9,
      "formula": "(high_bid - low_bid) / low_bid * 100",
      "note": "Three submitted lump-sum project bids; no finding of bidder qualification or final payments. Quantity 1 LMP is not a door count.",
      "source_url": "https://www.minneapolismn.gov/media/-www-content-assets/documents/bid-tabulations/Bid-Tab-Event-4220---PW---Haaf-Ramp-Vehicle-Door-Installation-Project.pdf",
      "read_on": "2026-09-17",
      "currency": "USD"
    }
  ],
  "operator_example": {
    "model": "LiftMaster LJ8900W",
    "seller": "All Security Equipment",
    "seller_price_usd": 516.99,
    "manufacturer_rated_duty": "Maximum 10 cycles per hour; fewer than 25 cycles per day",
    "application": "Light-duty commercial sectional doors",
    "seller_source_url": "https://allsecurityequipment.com/products/liftmaster-lj8900w",
    "manufacturer_source_url": "https://www.liftmaster.com/liftmaster-lj8900w-garage-door-opener/p/LJ8900W",
    "source_price_effective_date": null,
    "read_on": "2026-09-17"
  },
  "tariff": {
    "authority": "Proclamation 11021, modified by Proclamation 11032",
    "general_additional_section232_rate_pct": 50,
    "basis": "Full customs value under April 6, 2026 rule; not total duty liability",
    "htsus": [
      "7308.30.10",
      "7308.30.50",
      "7610.10.00"
    ],
    "qualified_us_metal_rate_pct": 10,
    "us_metal_threshold_pct_of_metal_weight": 85,
    "threshold_effective_date": "2026-06-08",
    "qualified_uk_rate_pct": 25,
    "scope": "Origin/content and other exceptions apply; no calculated installed-price effect. Historical rate summary, not customs entry advice.",
    "source_urls": [
      "https://www.federalregister.gov/documents/2026/04/09/2026-06960/strengthening-actions-taken-to-adjust-imports-of-aluminum-steel-and-copper-into-the-united-states",
      "https://www.whitehouse.gov/wp-content/uploads/2026/04/Metals-ANNEXES-I-A-I-B-II-III-IV.pdf",
      "https://www.federalregister.gov/documents/2026/06/04/2026-11314/further-adjusting-the-tariff-regimes-for-imports-of-aluminum-steel-and-copper-into-the-united-states"
    ]
  },
  "ppi_summary": {
    "WPU10 Metals and metal products": {
      "jan_2025_index": 306.869,
      "aug_2026_index": 388.69,
      "pct_change_CALC": 26.7,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    },
    "WPU101 Iron and steel": {
      "jan_2025_index": 286.655,
      "aug_2026_index": 378.128,
      "pct_change_CALC": 31.9,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    },
    "WPU1017 Steel mill products": {
      "jan_2025_index": 261.563,
      "aug_2026_index": 381.162,
      "pct_change_CALC": 45.7,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    },
    "WPU107 Fabricated structural metal products": {
      "jan_2025_index": 365.431,
      "aug_2026_index": 413.731,
      "pct_change_CALC": 13.2,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    },
    "WPU1073 Sheet metal products": {
      "jan_2025_index": 320.099,
      "aug_2026_index": 360.421,
      "pct_change_CALC": 12.6,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    },
    "WPU1079 Prefabricated metal buildings": {
      "jan_2025_index": 541.629,
      "aug_2026_index": 602.887,
      "pct_change_CALC": 11.3,
      "evidence": "Agency-reported index levels; change calculated by Uptime",
      "units": "Index points, not currency",
      "geography": "United States",
      "seasonal_adjustment": "Not seasonally adjusted",
      "preliminary_months": [
        "2026-05",
        "2026-06",
        "2026-07",
        "2026-08"
      ],
      "source_url": "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "formula": "(August 2026 / January 2025 - 1) * 100"
    }
  },
  "escalation_example": {
    "illustrative_budget_component_usd": 9000,
    "index_original": 287.362,
    "index_latest": 381.162,
    "adjusted_component_usd_CALC": 11937.76,
    "display_rounded_whole_usd_CALC": 11938.0,
    "formula": "9000 * (381.162 / 287.362)",
    "scope": "Illustrative steel-mill-index-linked component only, not a prediction of an installed quote",
    "source_urls": [
      "https://www.bls.gov/regions/mid-atlantic/data/producerpriceindexmetals_us_table.htm",
      "https://www.bls.gov/ppi/publications/price-adjustment-guide-for-contracting-parties.htm"
    ]
  },
  "missing_value_rule": "JSON null and empty CSV cells mean unknown/not supplied, never zero. No listed price is not an availability finding.",
  "reuse_notice": "No blanket reuse license is granted by this file. Uptime compiled factual observations and calculations; source documents retain any applicable rights. No standard/manual/table layout is reproduced.",
  "observation_limits": "Source retrieval can be cached. No checkout, seller reconfirmation, independent testing, invoice survey or deployment verification. Source price-effective dates are unstated."
}