{
    "document_id": 11891,
    "page": 51,
    "width_pt": 792,
    "height_pt": 612,
    "rotation": 270,
    "pipeline_version": "paddleocr-vl-1.6+paul-48",
    "engine": "paddleocr_vl",
    "source_run_id": 12003,
    "item_count": 74,
    "counts_by_type": {
        "caption": 4,
        "figure": 2,
        "footnote": 3,
        "form_field": 1,
        "header": 1,
        "heading": 2,
        "table": 4,
        "table_cell": 54,
        "text": 3
    },
    "build_ms": 12,
    "items": [
        {
            "id": "p51.1",
            "order": 1,
            "type": "header",
            "bbox": {
                "l": 37.68,
                "t": 522,
                "r": 360.24,
                "b": 496.8
            },
            "text": "2026-02 Existing and Proposed NOAA 24-hr D 10-Year-Current Rainfall=5.38\"\nPrepared by Dynamic Engineering Printed 2/10/2026\nHydroCAD® 10.20-8a s/n 08640 © 2025 HydroCAD Software Solutions LLC Page 59",
            "attrs": {
                "block_label": "header"
            },
            "level": 2
        },
        {
            "id": "p51.2",
            "order": 2,
            "type": "heading",
            "bbox": {
                "l": 83.52,
                "t": 489.6,
                "r": 321.6,
                "b": 480.24
            },
            "text": "Summary for Subcatchment 14S: Study Area West Undetained",
            "attrs": {
                "block_label": "paragraph_title"
            },
            "level": 3
        },
        {
            "id": "p51.3",
            "order": 3,
            "type": "text",
            "bbox": {
                "l": 38.16,
                "t": 472.56,
                "r": 293.52,
                "b": 455.76
            },
            "text": "Runoff = 0.02 cfs @ 12.93 hrs, Volume= 0.007 af, Depth= 0.28\"\nRouted to Link 14L : Study Area West (Total)"
        },
        {
            "id": "p51.4",
            "order": 4,
            "type": "text",
            "bbox": {
                "l": 37.68,
                "t": 449.76,
                "r": 349.2,
                "b": 433.44
            },
            "text": "Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 10-Year-Current Rainfall=5.38\""
        },
        {
            "id": "p51.5",
            "order": 5,
            "type": "table",
            "bbox": {
                "l": 38.88,
                "t": 426.48,
                "r": 358.08,
                "b": 359.76
            },
            "text": "",
            "attrs": {
                "block_label": "table",
                "n_rows": 5,
                "n_cols": 5,
                "integrity": {
                    "cells_checked": 19,
                    "cells_flagged": 19,
                    "flags": [
                        {
                            "row": 0,
                            "col": 0,
                            "coverage": 0,
                            "text": "Area (ac)"
                        },
                        {
                            "row": 0,
                            "col": 1,
                            "coverage": 0,
                            "text": "CN"
                        },
                        {
                            "row": 0,
                            "col": 2,
                            "coverage": 0,
                            "text": "Description"
                        },
                        {
                            "row": 1,
                            "col": 0,
                            "coverage": 0,
                            "text": "0.310"
                        },
                        {
                            "row": 1,
                            "col": 1,
                            "coverage": 0,
                            "text": "39"
                        },
                        {
                            "row": 1,
                            "col": 2,
                            "coverage": 0,
                            "text": ">75% Grass cover, Good, HSG A"
                        },
                        {
                            "row": 2,
                            "col": 0,
                            "coverage": 0,
                            "text": "0.310"
                        },
                        {
                            "row": 2,
                            "col": 1,
                            "coverage": 0,
                            "text": "39"
                        },
                        {
                            "row": 2,
                            "col": 2,
                            "coverage": 0,
                            "text": "100.00% Pervious Area"
                        },
                        {
                            "row": 3,
                            "col": 0,
                            "coverage": 0,
                            "text": "Tc (min)"
                        },
                        {
                            "row": 3,
                            "col": 1,
                            "coverage": 0,
                            "text": "Length (feet)"
                        },
                        {
                            "row": 3,
                            "col": 2,
                            "coverage": 0,
                            "text": "Slope (ft/ft)"
                        }
                    ]
                }
            },
            "children": [
                {
                    "id": "p51.5.1",
                    "order": 6,
                    "type": "table_cell",
                    "bbox": {
                        "l": 38.88,
                        "t": 426.48,
                        "r": 102.72,
                        "b": 413.136
                    },
                    "text": "Area (ac)",
                    "attrs": {
                        "row": 0,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.5.2",
                    "order": 7,
                    "type": "table_cell",
                    "bbox": {
                        "l": 102.72,
                        "t": 426.48,
                        "r": 166.56,
                        "b": 413.136
                    },
                    "text": "CN",
                    "attrs": {
                        "row": 0,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.5.3",
                    "order": 8,
                    "type": "table_cell",
                    "bbox": {
                        "l": 166.56,
                        "t": 426.48,
                        "r": 358.08,
                        "b": 413.136
                    },
                    "text": "Description",
                    "attrs": {
                        "row": 0,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 3,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.5.4",
                    "order": 9,
                    "type": "table_cell",
                    "bbox": {
                        "l": 38.88,
                        "t": 413.136,
                        "r": 102.72,
                        "b": 399.792
                    },
                    "text": "0.310",
                    "attrs": {
                        "row": 1,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.5",
                    "order": 10,
                    "type": "table_cell",
                    "bbox": {
                        "l": 102.72,
                        "t": 413.136,
                        "r": 166.56,
                        "b": 399.792
                    },
                    "text": "39",
                    "attrs": {
                        "row": 1,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.6",
                    "order": 11,
                    "type": "table_cell",
                    "bbox": {
                        "l": 166.56,
                        "t": 413.136,
                        "r": 358.08,
                        "b": 399.792
                    },
                    "text": ">75% Grass cover, Good, HSG A",
                    "attrs": {
                        "row": 1,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 3
                    }
                },
                {
                    "id": "p51.5.7",
                    "order": 12,
                    "type": "table_cell",
                    "bbox": {
                        "l": 38.88,
                        "t": 399.792,
                        "r": 102.72,
                        "b": 386.448
                    },
                    "text": "0.310",
                    "attrs": {
                        "row": 2,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.8",
                    "order": 13,
                    "type": "table_cell",
                    "bbox": {
                        "l": 102.72,
                        "t": 399.792,
                        "r": 166.56,
                        "b": 386.448
                    },
                    "text": "39",
                    "attrs": {
                        "row": 2,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.9",
                    "order": 14,
                    "type": "table_cell",
                    "bbox": {
                        "l": 166.56,
                        "t": 399.792,
                        "r": 358.08,
                        "b": 386.448
                    },
                    "text": "100.00% Pervious Area",
                    "attrs": {
                        "row": 2,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 3
                    }
                },
                {
                    "id": "p51.5.10",
                    "order": 15,
                    "type": "table_cell",
                    "bbox": {
                        "l": 38.88,
                        "t": 386.448,
                        "r": 102.72,
                        "b": 373.104
                    },
                    "text": "Tc (min)",
                    "attrs": {
                        "row": 3,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.11",
                    "order": 16,
                    "type": "table_cell",
                    "bbox": {
                        "l": 102.72,
                        "t": 386.448,
                        "r": 166.56,
                        "b": 373.104
                    },
                    "text": "Length (feet)",
                    "attrs": {
                        "row": 3,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.12",
                    "order": 17,
                    "type": "table_cell",
                    "bbox": {
                        "l": 166.56,
                        "t": 386.448,
                        "r": 230.4,
                        "b": 373.104
                    },
                    "text": "Slope (ft/ft)",
                    "attrs": {
                        "row": 3,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.13",
                    "order": 18,
                    "type": "table_cell",
                    "bbox": {
                        "l": 230.4,
                        "t": 386.448,
                        "r": 294.24,
                        "b": 373.104
                    },
                    "text": "Velocity (ft/sec)",
                    "attrs": {
                        "row": 3,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.14",
                    "order": 19,
                    "type": "table_cell",
                    "bbox": {
                        "l": 294.24,
                        "t": 386.448,
                        "r": 358.08,
                        "b": 373.104
                    },
                    "text": "Capacity (cfs)",
                    "attrs": {
                        "row": 3,
                        "col": 4,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.15",
                    "order": 20,
                    "type": "table_cell",
                    "bbox": {
                        "l": 38.88,
                        "t": 373.104,
                        "r": 102.72,
                        "b": 359.76
                    },
                    "text": "2.7",
                    "attrs": {
                        "row": 4,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.16",
                    "order": 21,
                    "type": "table_cell",
                    "bbox": {
                        "l": 102.72,
                        "t": 373.104,
                        "r": 166.56,
                        "b": 359.76
                    },
                    "text": "48",
                    "attrs": {
                        "row": 4,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.17",
                    "order": 22,
                    "type": "table_cell",
                    "bbox": {
                        "l": 166.56,
                        "t": 373.104,
                        "r": 230.4,
                        "b": 359.76
                    },
                    "text": "0.0850",
                    "attrs": {
                        "row": 4,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.18",
                    "order": 23,
                    "type": "table_cell",
                    "bbox": {
                        "l": 230.4,
                        "t": 373.104,
                        "r": 294.24,
                        "b": 359.76
                    },
                    "text": "0.29",
                    "attrs": {
                        "row": 4,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.5.19",
                    "order": 24,
                    "type": "table_cell",
                    "bbox": {
                        "l": 294.24,
                        "t": 373.104,
                        "r": 358.08,
                        "b": 359.76
                    },
                    "text": "Sheet Flow, A-B\\nGrass: Short n= 0.150 P2= 4.04\"",
                    "attrs": {
                        "row": 4,
                        "col": 4,
                        "rowspan": 1,
                        "colspan": 1
                    }
                }
            ]
        },
        {
            "id": "p51.6",
            "order": 25,
            "type": "caption",
            "bbox": {
                "l": 107.52,
                "t": 345.84,
                "r": 294.96,
                "b": 336.24
            },
            "text": "Subcatchment 14S: Study Area West Undetained",
            "attrs": {
                "block_label": "figure_title"
            }
        },
        {
            "id": "p51.7",
            "order": 26,
            "type": "caption",
            "bbox": {
                "l": 165.36,
                "t": 332.4,
                "r": 198.72,
                "b": 326.16
            },
            "text": "",
            "attrs": {
                "block_label": "figure_title"
            }
        },
        {
            "id": "p51.8",
            "order": 27,
            "type": "figure",
            "bbox": {
                "l": 43.68,
                "t": 331.2,
                "r": 351.6,
                "b": 164.64
            },
            "text": "",
            "attrs": {
                "kind": "chart",
                "block_label": "chart"
            }
        },
        {
            "id": "p51.9",
            "order": 28,
            "type": "table",
            "bbox": {
                "l": 433.2,
                "t": 522.24,
                "r": 755.52,
                "b": 496.56
            },
            "text": "",
            "attrs": {
                "block_label": "table",
                "n_rows": 3,
                "n_cols": 4,
                "integrity": {
                    "cells_checked": 10,
                    "cells_flagged": 10,
                    "flags": [
                        {
                            "row": 0,
                            "col": 0,
                            "coverage": 0,
                            "text": "2026-02 Existing and Proposed"
                        },
                        {
                            "row": 0,
                            "col": 1,
                            "coverage": 0,
                            "text": "NOAA 24-hr D"
                        },
                        {
                            "row": 0,
                            "col": 2,
                            "coverage": 0,
                            "text": "10-Year-Current"
                        },
                        {
                            "row": 0,
                            "col": 3,
                            "coverage": 0,
                            "text": "Rainfall=5.38\""
                        },
                        {
                            "row": 1,
                            "col": 0,
                            "coverage": 0,
                            "text": "Prepared by Dynamic Engineering"
                        },
                        {
                            "row": 1,
                            "col": 1,
                            "coverage": 0,
                            "text": "Printed"
                        },
                        {
                            "row": 1,
                            "col": 2,
                            "coverage": 0,
                            "text": "2/10/2026"
                        },
                        {
                            "row": 2,
                            "col": 0,
                            "coverage": 0,
                            "text": "HydroCAD ○ledR 10.20-8a s/n 08640"
                        },
                        {
                            "row": 2,
                            "col": 1,
                            "coverage": 0,
                            "text": "© 2025 HydroCAD Software Solutions LLC"
                        },
                        {
                            "row": 2,
                            "col": 3,
                            "coverage": 0,
                            "text": "Page 60"
                        }
                    ]
                }
            },
            "children": [
                {
                    "id": "p51.9.1",
                    "order": 29,
                    "type": "table_cell",
                    "bbox": {
                        "l": 433.2,
                        "t": 522.24,
                        "r": 513.78,
                        "b": 513.68
                    },
                    "text": "2026-02 Existing and Proposed",
                    "attrs": {
                        "row": 0,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.9.2",
                    "order": 30,
                    "type": "table_cell",
                    "bbox": {
                        "l": 513.78,
                        "t": 522.24,
                        "r": 594.36,
                        "b": 513.68
                    },
                    "text": "NOAA 24-hr D",
                    "attrs": {
                        "row": 0,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.9.3",
                    "order": 31,
                    "type": "table_cell",
                    "bbox": {
                        "l": 594.36,
                        "t": 522.24,
                        "r": 674.94,
                        "b": 513.68
                    },
                    "text": "10-Year-Current",
                    "attrs": {
                        "row": 0,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.9.4",
                    "order": 32,
                    "type": "table_cell",
                    "bbox": {
                        "l": 674.94,
                        "t": 522.24,
                        "r": 755.52,
                        "b": 513.68
                    },
                    "text": "Rainfall=5.38\"",
                    "attrs": {
                        "row": 0,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.9.5",
                    "order": 33,
                    "type": "table_cell",
                    "bbox": {
                        "l": 433.2,
                        "t": 513.68,
                        "r": 513.78,
                        "b": 505.12
                    },
                    "text": "Prepared by Dynamic Engineering",
                    "attrs": {
                        "row": 1,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.6",
                    "order": 34,
                    "type": "table_cell",
                    "bbox": {
                        "l": 513.78,
                        "t": 513.68,
                        "r": 594.36,
                        "b": 505.12
                    },
                    "text": "Printed",
                    "attrs": {
                        "row": 1,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.7",
                    "order": 35,
                    "type": "table_cell",
                    "bbox": {
                        "l": 594.36,
                        "t": 513.68,
                        "r": 674.94,
                        "b": 505.12
                    },
                    "text": "2/10/2026",
                    "attrs": {
                        "row": 1,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.8",
                    "order": 36,
                    "type": "table_cell",
                    "bbox": {
                        "l": 674.94,
                        "t": 513.68,
                        "r": 755.52,
                        "b": 505.12
                    },
                    "text": "",
                    "attrs": {
                        "row": 1,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.9",
                    "order": 37,
                    "type": "table_cell",
                    "bbox": {
                        "l": 433.2,
                        "t": 505.12,
                        "r": 513.78,
                        "b": 496.56
                    },
                    "text": "HydroCAD ○ledR 10.20-8a s/n 08640",
                    "attrs": {
                        "row": 2,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    },
                    "children": [
                        {
                            "id": "p51.9.9.1",
                            "order": 38,
                            "type": "form_field",
                            "bbox": {
                                "l": 455.18,
                                "t": 505.12,
                                "r": 463.74,
                                "b": 496.56
                            },
                            "text": "",
                            "attrs": {
                                "field_kind": "radio",
                                "label": "ledR 10.20-8a s/n 08640",
                                "source": "glyph_estimate",
                                "bbox_estimated": true,
                                "row": 2,
                                "col": 0,
                                "rowspan": 1,
                                "colspan": 1,
                                "label_source": "parent_text",
                                "label_ref": "p51.9.9",
                                "text_offset": 9,
                                "text_span": 1
                            }
                        }
                    ]
                },
                {
                    "id": "p51.9.10",
                    "order": 39,
                    "type": "table_cell",
                    "bbox": {
                        "l": 513.78,
                        "t": 505.12,
                        "r": 594.36,
                        "b": 496.56
                    },
                    "text": "© 2025 HydroCAD Software Solutions LLC",
                    "attrs": {
                        "row": 2,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.11",
                    "order": 40,
                    "type": "table_cell",
                    "bbox": {
                        "l": 594.36,
                        "t": 505.12,
                        "r": 674.94,
                        "b": 496.56
                    },
                    "text": "",
                    "attrs": {
                        "row": 2,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.9.12",
                    "order": 41,
                    "type": "table_cell",
                    "bbox": {
                        "l": 674.94,
                        "t": 505.12,
                        "r": 755.52,
                        "b": 496.56
                    },
                    "text": "Page 60",
                    "attrs": {
                        "row": 2,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                }
            ]
        },
        {
            "id": "p51.10",
            "order": 42,
            "type": "heading",
            "bbox": {
                "l": 491.28,
                "t": 489.6,
                "r": 704.16,
                "b": 479.76
            },
            "text": "Summary for Subcatchment 15S: Study Area Roof (Imp)",
            "attrs": {
                "block_label": "paragraph_title"
            },
            "level": 3
        },
        {
            "id": "p51.11",
            "order": 43,
            "type": "table",
            "bbox": {
                "l": 433.68,
                "t": 473.04,
                "r": 690.48,
                "b": 455.52
            },
            "text": "",
            "attrs": {
                "block_label": "table",
                "n_rows": 2,
                "n_cols": 1,
                "integrity": {
                    "cells_checked": 2,
                    "cells_flagged": 2,
                    "flags": [
                        {
                            "row": 0,
                            "col": 0,
                            "coverage": 0,
                            "text": "Runoff = 0.37 cfs @ 12.19 hrs, Volume= 0.047 af, Depth= 5.1…"
                        },
                        {
                            "row": 1,
                            "col": 0,
                            "coverage": 0,
                            "text": "Routed to Link 16L : Study Area Basin A (Total)"
                        }
                    ]
                }
            },
            "children": [
                {
                    "id": "p51.11.1",
                    "order": 44,
                    "type": "table_cell",
                    "bbox": {
                        "l": 433.68,
                        "t": 473.04,
                        "r": 690.48,
                        "b": 464.28
                    },
                    "text": "Runoff = 0.37 cfs @ 12.19 hrs, Volume= 0.047 af, Depth= 5.14\"",
                    "attrs": {
                        "row": 0,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.11.2",
                    "order": 45,
                    "type": "table_cell",
                    "bbox": {
                        "l": 433.68,
                        "t": 464.28,
                        "r": 690.48,
                        "b": 455.52
                    },
                    "text": "Routed to Link 16L : Study Area Basin A (Total)",
                    "attrs": {
                        "row": 1,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                }
            ]
        },
        {
            "id": "p51.12",
            "order": 46,
            "type": "text",
            "bbox": {
                "l": 432.96,
                "t": 449.76,
                "r": 742.8,
                "b": 433.2
            },
            "text": "Runoff by SCS TR-20 method, UH=Delmarva, Weighted-CN, Time Span= 0.00-72.00 hrs, dt= 0.05 hrs NOAA 24-hr D 10-Year-Current Rainfall=5.38\""
        },
        {
            "id": "p51.13",
            "order": 47,
            "type": "table",
            "bbox": {
                "l": 432.48,
                "t": 427.44,
                "r": 752.4,
                "b": 353.28
            },
            "text": "",
            "attrs": {
                "block_label": "table",
                "n_rows": 5,
                "n_cols": 6,
                "integrity": {
                    "cells_checked": 21,
                    "cells_flagged": 21,
                    "flags": [
                        {
                            "row": 0,
                            "col": 0,
                            "coverage": 0,
                            "text": "Area (ac)"
                        },
                        {
                            "row": 0,
                            "col": 1,
                            "coverage": 0,
                            "text": "CN"
                        },
                        {
                            "row": 0,
                            "col": 2,
                            "coverage": 0,
                            "text": "Description"
                        },
                        {
                            "row": 1,
                            "col": 0,
                            "coverage": 0,
                            "text": "0.110"
                        },
                        {
                            "row": 1,
                            "col": 1,
                            "coverage": 0,
                            "text": "98"
                        },
                        {
                            "row": 1,
                            "col": 2,
                            "coverage": 0,
                            "text": "Roofs, HSG A"
                        },
                        {
                            "row": 2,
                            "col": 0,
                            "coverage": 0,
                            "text": "0.110"
                        },
                        {
                            "row": 2,
                            "col": 1,
                            "coverage": 0,
                            "text": "98"
                        },
                        {
                            "row": 2,
                            "col": 2,
                            "coverage": 0,
                            "text": "100.00% Impervious Area"
                        },
                        {
                            "row": 3,
                            "col": 0,
                            "coverage": 0,
                            "text": "Tc (min)"
                        },
                        {
                            "row": 3,
                            "col": 1,
                            "coverage": 0,
                            "text": "Length (feet)"
                        },
                        {
                            "row": 3,
                            "col": 2,
                            "coverage": 0,
                            "text": "Slope (ft/ft)"
                        }
                    ]
                }
            },
            "children": [
                {
                    "id": "p51.13.1",
                    "order": 48,
                    "type": "table_cell",
                    "bbox": {
                        "l": 432.48,
                        "t": 427.44,
                        "r": 485.8,
                        "b": 412.608
                    },
                    "text": "Area (ac)",
                    "attrs": {
                        "row": 0,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.13.2",
                    "order": 49,
                    "type": "table_cell",
                    "bbox": {
                        "l": 485.8,
                        "t": 427.44,
                        "r": 539.12,
                        "b": 412.608
                    },
                    "text": "CN",
                    "attrs": {
                        "row": 0,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.13.3",
                    "order": 50,
                    "type": "table_cell",
                    "bbox": {
                        "l": 539.12,
                        "t": 427.44,
                        "r": 752.4,
                        "b": 412.608
                    },
                    "text": "Description",
                    "attrs": {
                        "row": 0,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 4,
                        "column_header": true,
                        "header_source": "heuristic"
                    }
                },
                {
                    "id": "p51.13.4",
                    "order": 51,
                    "type": "table_cell",
                    "bbox": {
                        "l": 432.48,
                        "t": 412.608,
                        "r": 485.8,
                        "b": 397.776
                    },
                    "text": "0.110",
                    "attrs": {
                        "row": 1,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.5",
                    "order": 52,
                    "type": "table_cell",
                    "bbox": {
                        "l": 485.8,
                        "t": 412.608,
                        "r": 539.12,
                        "b": 397.776
                    },
                    "text": "98",
                    "attrs": {
                        "row": 1,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.6",
                    "order": 53,
                    "type": "table_cell",
                    "bbox": {
                        "l": 539.12,
                        "t": 412.608,
                        "r": 752.4,
                        "b": 397.776
                    },
                    "text": "Roofs, HSG A",
                    "attrs": {
                        "row": 1,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 4
                    }
                },
                {
                    "id": "p51.13.7",
                    "order": 54,
                    "type": "table_cell",
                    "bbox": {
                        "l": 432.48,
                        "t": 397.776,
                        "r": 485.8,
                        "b": 382.944
                    },
                    "text": "0.110",
                    "attrs": {
                        "row": 2,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.8",
                    "order": 55,
                    "type": "table_cell",
                    "bbox": {
                        "l": 485.8,
                        "t": 397.776,
                        "r": 539.12,
                        "b": 382.944
                    },
                    "text": "98",
                    "attrs": {
                        "row": 2,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.9",
                    "order": 56,
                    "type": "table_cell",
                    "bbox": {
                        "l": 539.12,
                        "t": 397.776,
                        "r": 752.4,
                        "b": 382.944
                    },
                    "text": "100.00% Impervious Area",
                    "attrs": {
                        "row": 2,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 4
                    }
                },
                {
                    "id": "p51.13.10",
                    "order": 57,
                    "type": "table_cell",
                    "bbox": {
                        "l": 432.48,
                        "t": 382.944,
                        "r": 485.8,
                        "b": 368.112
                    },
                    "text": "Tc (min)",
                    "attrs": {
                        "row": 3,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.11",
                    "order": 58,
                    "type": "table_cell",
                    "bbox": {
                        "l": 485.8,
                        "t": 382.944,
                        "r": 539.12,
                        "b": 368.112
                    },
                    "text": "Length (feet)",
                    "attrs": {
                        "row": 3,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.12",
                    "order": 59,
                    "type": "table_cell",
                    "bbox": {
                        "l": 539.12,
                        "t": 382.944,
                        "r": 592.44,
                        "b": 368.112
                    },
                    "text": "Slope (ft/ft)",
                    "attrs": {
                        "row": 3,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.13",
                    "order": 60,
                    "type": "table_cell",
                    "bbox": {
                        "l": 592.44,
                        "t": 382.944,
                        "r": 645.76,
                        "b": 368.112
                    },
                    "text": "Velocity (ft/sec)",
                    "attrs": {
                        "row": 3,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.14",
                    "order": 61,
                    "type": "table_cell",
                    "bbox": {
                        "l": 645.76,
                        "t": 382.944,
                        "r": 699.08,
                        "b": 368.112
                    },
                    "text": "Capacity (cfs)",
                    "attrs": {
                        "row": 3,
                        "col": 4,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.15",
                    "order": 62,
                    "type": "table_cell",
                    "bbox": {
                        "l": 699.08,
                        "t": 382.944,
                        "r": 752.4,
                        "b": 368.112
                    },
                    "text": "Description",
                    "attrs": {
                        "row": 3,
                        "col": 5,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.16",
                    "order": 63,
                    "type": "table_cell",
                    "bbox": {
                        "l": 432.48,
                        "t": 368.112,
                        "r": 485.8,
                        "b": 353.28
                    },
                    "text": "0.8",
                    "attrs": {
                        "row": 4,
                        "col": 0,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.17",
                    "order": 64,
                    "type": "table_cell",
                    "bbox": {
                        "l": 485.8,
                        "t": 368.112,
                        "r": 539.12,
                        "b": 353.28
                    },
                    "text": "207",
                    "attrs": {
                        "row": 4,
                        "col": 1,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.18",
                    "order": 65,
                    "type": "table_cell",
                    "bbox": {
                        "l": 539.12,
                        "t": 368.112,
                        "r": 592.44,
                        "b": 353.28
                    },
                    "text": "0.0100",
                    "attrs": {
                        "row": 4,
                        "col": 2,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.19",
                    "order": 66,
                    "type": "table_cell",
                    "bbox": {
                        "l": 592.44,
                        "t": 368.112,
                        "r": 645.76,
                        "b": 353.28
                    },
                    "text": "4.50",
                    "attrs": {
                        "row": 4,
                        "col": 3,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.20",
                    "order": 67,
                    "type": "table_cell",
                    "bbox": {
                        "l": 645.76,
                        "t": 368.112,
                        "r": 699.08,
                        "b": 353.28
                    },
                    "text": "1.57",
                    "attrs": {
                        "row": 4,
                        "col": 4,
                        "rowspan": 1,
                        "colspan": 1
                    }
                },
                {
                    "id": "p51.13.21",
                    "order": 68,
                    "type": "table_cell",
                    "bbox": {
                        "l": 699.08,
                        "t": 368.112,
                        "r": 752.4,
                        "b": 353.28
                    },
                    "text": "Pipe Channel, A-B\\n8.0\" Round Area= 0.3 sf Perm= 2.1' r= 0.17'\\nn= 0.010 PVC, smooth interior",
                    "attrs": {
                        "row": 4,
                        "col": 5,
                        "rowspan": 1,
                        "colspan": 1
                    }
                }
            ]
        },
        {
            "id": "p51.14",
            "order": 69,
            "type": "caption",
            "bbox": {
                "l": 516,
                "t": 338.16,
                "r": 676.8,
                "b": 328.32
            },
            "text": "Subcatchment 15S: Study Area Roof (Imp)",
            "attrs": {
                "block_label": "figure_title"
            }
        },
        {
            "id": "p51.15",
            "order": 70,
            "type": "figure",
            "bbox": {
                "l": 438.72,
                "t": 326.64,
                "r": 718.32,
                "b": 158.64
            },
            "text": "",
            "attrs": {
                "kind": "chart",
                "block_label": "chart"
            }
        },
        {
            "id": "p51.16",
            "order": 71,
            "type": "caption",
            "bbox": {
                "l": 569.04,
                "t": 162.24,
                "r": 600.48,
                "b": 156.48
            },
            "text": "",
            "attrs": {
                "block_label": "figure_title"
            }
        },
        {
            "id": "p51.17",
            "order": 72,
            "type": "footnote",
            "bbox": {
                "l": 48.48,
                "t": 361.44,
                "r": 228.24,
                "b": 353.28
            },
            "text": "2.7 48 Total, Increased to minimum $ T_{c} = 10.0 \\, min $",
            "attrs": {
                "block_label": "vision_footnote"
            }
        },
        {
            "id": "p51.18",
            "order": 73,
            "type": "footnote",
            "bbox": {
                "l": 174.72,
                "t": 169.44,
                "r": 206.88,
                "b": 163.92
            },
            "text": "",
            "attrs": {
                "block_label": "vision_footnote"
            }
        },
        {
            "id": "p51.19",
            "order": 74,
            "type": "footnote",
            "bbox": {
                "l": 444.72,
                "t": 354,
                "r": 624,
                "b": 345.36
            },
            "text": "0.8 207 Total, Increased to minimum $ T_{c} = 10.0 \\, min $",
            "attrs": {
                "block_label": "vision_footnote"
            }
        }
    ],
    "excluded_furniture": {
        "first": [],
        "last": []
    }
}