{
    "document_id": 11809,
    "page": 137,
    "width_pt": 612,
    "height_pt": 792,
    "rotation": 0,
    "pipeline_version": "paddleocr-vl-1.6+paul-48",
    "engine": "paddleocr_vl",
    "source_run_id": 11920,
    "item_count": 7,
    "counts_by_type": {
        "formula": 1,
        "heading": 1,
        "text": 5
    },
    "build_ms": 0,
    "items": [
        {
            "id": "p137.1",
            "order": 1,
            "type": "heading",
            "bbox": {
                "l": 70.08,
                "t": 718.32,
                "r": 150.96,
                "b": 702.96
            },
            "text": "2.Scour Hole",
            "attrs": {
                "block_label": "paragraph_title"
            },
            "level": 3
        },
        {
            "id": "p137.2",
            "order": 2,
            "type": "text",
            "bbox": {
                "l": 70.32,
                "t": 686.16,
                "r": 202.08,
                "b": 671.76
            },
            "text": "FES # 4 use scour hole"
        },
        {
            "id": "p137.3",
            "order": 3,
            "type": "text",
            "bbox": {
                "l": 70.32,
                "t": 653.52,
                "r": 127.92,
                "b": 638.4
            },
            "text": "Let y=Do"
        },
        {
            "id": "p137.4",
            "order": 4,
            "type": "text",
            "bbox": {
                "l": 70.08,
                "t": 623.04,
                "r": 210.72,
                "b": 606
            },
            "text": "D50=0.0082 q [p137.4.1]/(Tw)",
            "children": [
                {
                    "id": "p137.4.1",
                    "order": 5,
                    "type": "formula",
                    "bbox": {
                        "l": 70.08,
                        "t": 623.04,
                        "r": 210.72,
                        "b": 606
                    },
                    "text": "D50 = 0.0082\\, q^{1.33} / (Tw)",
                    "attrs": {
                        "latex": "D50 = 0.0082\\, q^{1.33} / (Tw)",
                        "inline": true,
                        "text_offset": 13,
                        "text_span": 10,
                        "bbox_estimated": true,
                        "notation": "latex",
                        "alt": "D50 equals 0.0082, q to the power of 1.33 over Tw",
                        "mathml": "<math aria-label=\"D50 equals 0.0082, q to the power of 1.33 over Tw\" xmlns=\"http://www.w3.org/1998/Math/MathML\" display=\"inline\"><mrow><mi>D</mi><mn>50</mn><mo>&#x0003D;</mo><mn>0.0082</mn><mspace width=\"0.167em\" /><msup><mi>q</mi><mrow><mn>1.33</mn></mrow></msup><mo>&#x0002F;</mo><mo stretchy=\"false\">&#x00028;</mo><mi>T</mi><mi>w</mi><mo stretchy=\"false\">&#x00029;</mo></mrow></math>"
                    }
                }
            ]
        },
        {
            "id": "p137.5",
            "order": 6,
            "type": "text",
            "bbox": {
                "l": 69.84,
                "t": 590.4,
                "r": 166.32,
                "b": 575.28
            },
            "text": "Find D50 = 0.09"
        },
        {
            "id": "p137.6",
            "order": 7,
            "type": "text",
            "bbox": {
                "l": 70.32,
                "t": 557.76,
                "r": 184.08,
                "b": 542.64
            },
            "text": "Use D50 = 3 inches"
        }
    ],
    "excluded_furniture": {
        "first": [],
        "last": []
    }
}