{
  "id": 10,
  "notes": [
    "Upper drawing says 3 cm. Lower separate job says Y9006 2 cm and is excluded.",
    "Inventory covers every main visible profile plus nested openings. Calculable means gross external area; no full-job net total is asserted."
  ],
  "items": [
    {
      "id": "10-upper-top",
      "label": "Upper stepped sink top",
      "sheet": "project-10.jpg",
      "kind": "countertop",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "sink_centerline_to_right_edge": 36.5,
        "right_depth": 22.5,
        "local_step_dimension": 11.75,
        "left_local_segment": 9.25,
        "backsplashHeight": 3.25
      },
      "lengthIn": null,
      "widthIn": null,
      "geometry": "unresolved",
      "polygonIn": null,
      "status": "partial",
      "notes": [
        "Overall left-to-right length missing. 36.5 dimension runs from sink centerline to right edge, not overall top length. 22.5 depth clear; 11.75 local step dimension; 9.25 local top segment. Do not calculate whole-top area from 36.5 x 22.5.",
        "Material code comes from user mapping, not a legible code on this upper drawing. Backsplash callout reads 3.25 inches."
      ],
      "countingNote": "Inventory record retained. Not enough confirmed geometry for a unique net-stone takeoff.",
      "cutouts": [
        {
          "id": "10-upper-top-hole-1",
          "label": "sink",
          "kind": "opening",
          "lengthIn": 17.75,
          "widthIn": 11.75,
          "diameterIn": null,
          "radiusIn": 1.0,
          "quantity": 1,
          "shape": "rounded_rectangle",
          "dimensionsIn": {
            "length": 17.75,
            "width": 11.75,
            "corner_radius": 1
          },
          "notes": [
            "readable callouts; rounded rectangle template, not ellipse",
            "Drawing location is schematic; no verified production coordinates."
          ],
          "status": "Template/placement needs confirmation",
          "parent": "10-upper-top"
        }
      ],
      "area": null,
      "volume": null,
      "mass": null,
      "weight": null,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": false,
      "eligible": false,
      "sourceMaterialMissing": false
    },
    {
      "id": "10-section-demo",
      "label": "Right-of-center study envelope",
      "sheet": "project-10.jpg",
      "kind": "view",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "length": 36.5,
        "width": 22.5
      },
      "lengthIn": 36.5,
      "widthIn": 22.5,
      "geometry": "envelope",
      "polygonIn": null,
      "status": "alternative",
      "notes": [
        "Illustrative rectangular section between sink centerline and right edge. Not a separate manufactured piece and not full job. Sink crosses the boundary; opening not deducted. Suitable only if prominently labeled measured subsection / gross envelope.",
        "Retained solely to reconcile earlier interactive example; complete primary-job length remains unknown."
      ],
      "countingNote": "Prior teaching subsection only; not a separately drawn/manufactured piece. Never add to main top area.",
      "cutouts": [],
      "area": 0.5298376499999999,
      "volume": 0.015895129499999997,
      "mass": 38.14831079999999,
      "weight": 374.23492894799995,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": true,
      "eligible": false,
      "sourceMaterialMissing": false
    },
    {
      "id": "10-excluded-other-job",
      "label": "Separate lower job: notched Y9006 strip",
      "sheet": "project-10.jpg",
      "kind": "strip",
      "materialCode": "Y9006",
      "thicknessMm": 20,
      "quantity": 1,
      "dimensionsIn": {
        "length": 18.625,
        "height": 5,
        "upperRightNotchWidth": 1,
        "upperRightNotchDepth": 1
      },
      "lengthIn": 18.625,
      "widthIn": 5,
      "geometry": "polygon",
      "polygonIn": [
        [
          0,
          0
        ],
        [
          18.625,
          0
        ],
        [
          18.625,
          4
        ],
        [
          17.625,
          4
        ],
        [
          17.625,
          5
        ],
        [
          0,
          5
        ]
      ],
      "status": "calculable",
      "notes": [
        "Separate physical job below divider; material Y9006 and 2 cm explicitly written. Included in all-visible inventory under its own material, not merged with upper TCE4047 job.",
        "Corner 1 x 1 notch is an outer-profile subtraction."
      ],
      "countingNote": "Gross 18.625 x5 rectangle minus1x1 corner notch calculable for this separate20mm Y9006 part. Keep outside upper-job material total.",
      "cutouts": [
        {
          "id": "10-excluded-other-job-hole-1",
          "label": "edge notch",
          "kind": "opening",
          "lengthIn": null,
          "widthIn": 1.0,
          "diameterIn": null,
          "radiusIn": null,
          "quantity": 1,
          "shape": "rectangle",
          "dimensionsIn": {
            "width": 1,
            "depth": 1
          },
          "notes": [
            "Already represented by polygon; never subtract a second time.",
            "Drawing location is schematic; no verified production coordinates."
          ],
          "status": "Template/placement needs confirmation",
          "parent": "10-excluded-other-job"
        }
      ],
      "area": 0.059435365,
      "volume": 0.0011887072999999999,
      "mass": null,
      "weight": null,
      "density": null,
      "densityStatus": "Density not assigned",
      "envelope": false,
      "eligible": true,
      "sourceMaterialMissing": false
    },
    {
      "id": "10-upper-backsplash",
      "label": "Upper job backsplash specification",
      "sheet": "project-10.jpg",
      "kind": "strip",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "height": 3.25
      },
      "lengthIn": null,
      "widthIn": 3.25,
      "geometry": "unresolved",
      "polygonIn": null,
      "status": "partial",
      "notes": [],
      "countingNote": "B/S 3.25 inches is explicit; strip lengths and quantity beyond this callout are not dimensioned.",
      "cutouts": [],
      "area": null,
      "volume": null,
      "mass": null,
      "weight": null,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": false,
      "eligible": false,
      "sourceMaterialMissing": false
    }
  ],
  "parts": [
    {
      "id": "10-upper-top",
      "label": "Upper stepped sink top",
      "sheet": "project-10.jpg",
      "kind": "countertop",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "sink_centerline_to_right_edge": 36.5,
        "right_depth": 22.5,
        "local_step_dimension": 11.75,
        "left_local_segment": 9.25,
        "backsplashHeight": 3.25
      },
      "lengthIn": null,
      "widthIn": null,
      "geometry": "unresolved",
      "polygonIn": null,
      "status": "partial",
      "notes": [
        "Overall left-to-right length missing. 36.5 dimension runs from sink centerline to right edge, not overall top length. 22.5 depth clear; 11.75 local step dimension; 9.25 local top segment. Do not calculate whole-top area from 36.5 x 22.5.",
        "Material code comes from user mapping, not a legible code on this upper drawing. Backsplash callout reads 3.25 inches."
      ],
      "countingNote": "Inventory record retained. Not enough confirmed geometry for a unique net-stone takeoff.",
      "cutouts": [
        {
          "id": "10-upper-top-hole-1",
          "label": "sink",
          "kind": "opening",
          "lengthIn": 17.75,
          "widthIn": 11.75,
          "diameterIn": null,
          "radiusIn": 1.0,
          "quantity": 1,
          "shape": "rounded_rectangle",
          "dimensionsIn": {
            "length": 17.75,
            "width": 11.75,
            "corner_radius": 1
          },
          "notes": [
            "readable callouts; rounded rectangle template, not ellipse",
            "Drawing location is schematic; no verified production coordinates."
          ],
          "status": "Template/placement needs confirmation",
          "parent": "10-upper-top"
        }
      ],
      "area": null,
      "volume": null,
      "mass": null,
      "weight": null,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": false,
      "eligible": false,
      "sourceMaterialMissing": false,
      "displayId": "10-upper-top",
      "copyNumber": 1
    },
    {
      "id": "10-excluded-other-job",
      "label": "Separate lower job: notched Y9006 strip",
      "sheet": "project-10.jpg",
      "kind": "strip",
      "materialCode": "Y9006",
      "thicknessMm": 20,
      "quantity": 1,
      "dimensionsIn": {
        "length": 18.625,
        "height": 5,
        "upperRightNotchWidth": 1,
        "upperRightNotchDepth": 1
      },
      "lengthIn": 18.625,
      "widthIn": 5,
      "geometry": "polygon",
      "polygonIn": [
        [
          0,
          0
        ],
        [
          18.625,
          0
        ],
        [
          18.625,
          4
        ],
        [
          17.625,
          4
        ],
        [
          17.625,
          5
        ],
        [
          0,
          5
        ]
      ],
      "status": "calculable",
      "notes": [
        "Separate physical job below divider; material Y9006 and 2 cm explicitly written. Included in all-visible inventory under its own material, not merged with upper TCE4047 job.",
        "Corner 1 x 1 notch is an outer-profile subtraction."
      ],
      "countingNote": "Gross 18.625 x5 rectangle minus1x1 corner notch calculable for this separate20mm Y9006 part. Keep outside upper-job material total.",
      "cutouts": [
        {
          "id": "10-excluded-other-job-hole-1",
          "label": "edge notch",
          "kind": "opening",
          "lengthIn": null,
          "widthIn": 1.0,
          "diameterIn": null,
          "radiusIn": null,
          "quantity": 1,
          "shape": "rectangle",
          "dimensionsIn": {
            "width": 1,
            "depth": 1
          },
          "notes": [
            "Already represented by polygon; never subtract a second time.",
            "Drawing location is schematic; no verified production coordinates."
          ],
          "status": "Template/placement needs confirmation",
          "parent": "10-excluded-other-job"
        }
      ],
      "area": 0.059435365,
      "volume": 0.0011887072999999999,
      "mass": null,
      "weight": null,
      "density": null,
      "densityStatus": "Density not assigned",
      "envelope": false,
      "eligible": true,
      "sourceMaterialMissing": false,
      "displayId": "10-excluded-other-job",
      "copyNumber": 1
    },
    {
      "id": "10-upper-backsplash",
      "label": "Upper job backsplash specification",
      "sheet": "project-10.jpg",
      "kind": "strip",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "height": 3.25
      },
      "lengthIn": null,
      "widthIn": 3.25,
      "geometry": "unresolved",
      "polygonIn": null,
      "status": "partial",
      "notes": [],
      "countingNote": "B/S 3.25 inches is explicit; strip lengths and quantity beyond this callout are not dimensioned.",
      "cutouts": [],
      "area": null,
      "volume": null,
      "mass": null,
      "weight": null,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": false,
      "eligible": false,
      "sourceMaterialMissing": false,
      "displayId": "10-upper-backsplash",
      "copyNumber": 1
    }
  ],
  "views": [
    {
      "id": "10-section-demo",
      "label": "Right-of-center study envelope",
      "sheet": "project-10.jpg",
      "kind": "view",
      "materialCode": "TCE4047",
      "thicknessMm": 30,
      "quantity": 1,
      "dimensionsIn": {
        "length": 36.5,
        "width": 22.5
      },
      "lengthIn": 36.5,
      "widthIn": 22.5,
      "geometry": "envelope",
      "polygonIn": null,
      "status": "alternative",
      "notes": [
        "Illustrative rectangular section between sink centerline and right edge. Not a separate manufactured piece and not full job. Sink crosses the boundary; opening not deducted. Suitable only if prominently labeled measured subsection / gross envelope.",
        "Retained solely to reconcile earlier interactive example; complete primary-job length remains unknown."
      ],
      "countingNote": "Prior teaching subsection only; not a separately drawn/manufactured piece. Never add to main top area.",
      "cutouts": [],
      "area": 0.5298376499999999,
      "volume": 0.015895129499999997,
      "mass": 38.14831079999999,
      "weight": 374.23492894799995,
      "density": 2400,
      "densityStatus": "Assumed study value",
      "envelope": true,
      "eligible": false,
      "sourceMaterialMissing": false
    }
  ],
  "openings": [
    {
      "id": "10-upper-top-hole-1",
      "label": "sink",
      "kind": "opening",
      "lengthIn": 17.75,
      "widthIn": 11.75,
      "diameterIn": null,
      "radiusIn": 1.0,
      "quantity": 1,
      "shape": "rounded_rectangle",
      "dimensionsIn": {
        "length": 17.75,
        "width": 11.75,
        "corner_radius": 1
      },
      "notes": [
        "readable callouts; rounded rectangle template, not ellipse",
        "Drawing location is schematic; no verified production coordinates."
      ],
      "status": "Template/placement needs confirmation",
      "parent": "10-upper-top",
      "sheet": "project-10.jpg",
      "parentLabel": "Upper stepped sink top"
    },
    {
      "id": "10-excluded-other-job-hole-1",
      "label": "edge notch",
      "kind": "opening",
      "lengthIn": null,
      "widthIn": 1.0,
      "diameterIn": null,
      "radiusIn": null,
      "quantity": 1,
      "shape": "rectangle",
      "dimensionsIn": {
        "width": 1,
        "depth": 1
      },
      "notes": [
        "Already represented by polygon; never subtract a second time.",
        "Drawing location is schematic; no verified production coordinates."
      ],
      "status": "Template/placement needs confirmation",
      "parent": "10-excluded-other-job",
      "sheet": "project-10.jpg",
      "parentLabel": "Separate lower job: notched Y9006 strip"
    }
  ],
  "partCount": 3,
  "openingCount": 2,
  "viewCount": 1,
  "incompleteCount": 2,
  "code": "TCE4047"
}