{
  "slug": "the-mass-the-law-allowed",
  "title": "The Mass the Law Allowed",
  "href": "/strata/the-mass-the-law-allowed/",
  "cell": "architecture",
  "practice": "New York City's Building Zone Resolution of July 25, 1916, Article III (height districts), as printed by the Board of Estimate and Apportionment and worked through by the Commission on Building Districts and Restrictions in its own annotations.",
  "record": {
    "name": "City of New York, Board of Estimate and Apportionment, Building Zone Resolution (Adopted July 25, 1916), sections 1(b) to 1(d), 8 and 9, printed pp. 1, 5 and 6, Internet Archive item buildingzonereso00newy, transcribed in article3.json",
    "url": "https://archive.org/details/buildingzonereso00newy",
    "licence": "public domain",
    "licence_url": "https://archive.org/metadata/buildingzonereso00newy",
    "retrieved": "2026-09-14",
    "sha256": "556e607ab00a0ea26a61f5bdb3f4e729e9e5957c6c77c2949646c118be7369fc",
    "units": 18
  },
  "anchor": {
    "citation": "Commission on Building Districts and Restrictions, Final Report, June 2, 1916 (New York: Board of Estimate and Apportionment, Committee on the City Plan, 1916), Districting Resolution Annotations, pp. 257 to 265, Figs. 139 to 148, and chapter V, pp. 32 to 37; notes reprinted in G. B. Ford, New York City Building Zone Resolution (1917), pp. 7 to 9",
    "expected": "23 source records yield 122 recomputation checks: direct printed figures, logical expansions of printed cases, and Fig. 139 chart readings with a 5 ft tolerance; for instance Fig. 148 prints '60' Street in a 2 times district = 120' limit ... 6)360' ... Extra Height = 60' ... Proposed Building may go to 180'.'",
    "computed": "122 of 122 checks reproduced by engine.js from the transcription; Fig. 148 computed 180 ft",
    "agrees": true
  },
  "choices": [
    {
      "id": "widthRule",
      "label": "Width of the street",
      "options": [
        "mean-in-block",
        "at-the-lot"
      ],
      "default": "mean-in-block",
      "affects": [
        "demoIrregularStreet"
      ],
      "inert": false
    },
    {
      "id": "dWidth",
      "label": "Does the 50 ft floor of 9(a) reach the tower rule?",
      "options": [
        "floor-applies",
        "actual-width"
      ],
      "default": "floor-applies",
      "affects": [
        "demoNarrowStreetTower",
        "equitableTowerRequired"
      ],
      "inert": false
    },
    {
      "id": "frontage",
      "label": "Four inches for each one per cent",
      "options": [
        "per-point",
        "whole-points"
      ],
      "default": "per-point",
      "affects": [
        "equitableTowerRequired"
      ],
      "inert": false
    },
    {
      "id": "belowZero",
      "label": "Can the allowance carry the wall past the street line?",
      "options": [
        "stops-at-street-line",
        "unclamped"
      ],
      "default": "stops-at-street-line",
      "affects": [
        "demoAllowanceRequired"
      ],
      "inert": false
    },
    {
      "id": "aggregate",
      "label": "Twenty five per cent in the aggregate",
      "options": [
        "aggregate",
        "each-tower"
      ],
      "default": "aggregate",
      "affects": [
        "demoTwoTowers"
      ],
      "inert": false
    },
    {
      "id": "cornerTower",
      "label": "Does 9(b) carry the wider street into the tower rule?",
      "options": [
        "own-street",
        "wider-street"
      ],
      "default": "own-street",
      "affects": [
        "demoCornerTower"
      ],
      "inert": false
    },
    {
      "id": "storey",
      "label": "Storey height for counting floors",
      "options": [
        "12-commission",
        "13.78-equitable"
      ],
      "default": "12-commission",
      "affects": [
        "legalTowerTopStoreys"
      ],
      "inert": false
    },
    {
      "id": "lotGeometry",
      "label": "Shape of the Equitable lot",
      "options": [
        "printed-sides-and-area",
        "digitised-drawing"
      ],
      "default": "printed-sides-and-area",
      "affects": [
        "equitableForbiddenShare"
      ],
      "inert": false
    },
    {
      "id": "wallHeight",
      "label": "Height of the Equitable street walls",
      "options": [
        "496-1913-report",
        "493-1916-report"
      ],
      "default": "496-1913-report",
      "affects": [
        "equitableForbiddenShare"
      ],
      "inert": false
    },
    {
      "id": "courts",
      "label": "The Equitable light courts",
      "options": [
        "from-7th-floor",
        "no-courts"
      ],
      "default": "from-7th-floor",
      "affects": [
        "equitableForbiddenShare"
      ],
      "inert": false
    }
  ],
  "headline": "Under the modelled Article III height and setback rules, 37.9 per cent of the Equitable Building's designed bulk lies outside the envelope; a searched centred tower over 1,000 ft could hold the same modelled volume.",
  "ledger": {
    "anchor_reproduced_by_engine": {
      "value": true,
      "assertion": "anchor:fig148-corner-neighbours plus independent 9(d) oracle"
    },
    "rendered_figures_asserted": {
      "value": true,
      "assertion": "surface:static-figures every number in the visible HTML is recomputed, quoted from the record, cited, or a clause of the law"
    },
    "choices_are_live": {
      "value": true,
      "assertion": "choices:each-changes-an-output"
    },
    "planted_fault_caught": {
      "value": true,
      "assertion": "fault:transposed-numeral Cedar 312 read as 321 moves the share"
    },
    "refusal_asserted": {
      "value": true,
      "assertion": "refuse:outside-record-domain permit"
    },
    "provenance_pinned": {
      "value": true,
      "assertion": "provenance:sha256-matches article3.json = record.json"
    }
  },
  "files": {
    "article3.json": "556e607ab00a0ea26a61f5bdb3f4e729e9e5957c6c77c2949646c118be7369fc",
    "examples.json": "cd9f60bc320579855ff6f29a60b609347e9eb447ea3a10be4842f76038f552ed",
    "equitable.json": "8559cb8db92274c621bd02cd955c8ec30d6cbebb6bb3d4eb77e1bc696de97548",
    "routes.json": "50fd06a33a94fb9c0592214044836e93475b46e53352f8971d74af59088bb952"
  }
}