{
    "document_id": 12617,
    "page": 204,
    "width_pt": 612,
    "height_pt": 792,
    "rotation": 0,
    "pipeline_version": "paddleocr-vl-1.6+paul-48",
    "engine": "paddleocr_vl",
    "source_run_id": 12729,
    "item_count": 5,
    "counts_by_type": {
        "header": 2,
        "heading": 1,
        "text": 2
    },
    "build_ms": 1,
    "items": [
        {
            "id": "p204.1",
            "order": 1,
            "type": "header",
            "bbox": {
                "l": 366.96,
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            "text": "NOAA 24-hr D 2 YR-C Rainfall=3.42\"\nPrinted 12/19/2025\ns LLC Page 37",
            "attrs": {
                "block_label": "header"
            },
            "level": 2
        },
        {
            "id": "p204.2",
            "order": 2,
            "type": "header",
            "bbox": {
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                "r": 390.72,
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            "text": "Analysis - Proposed Conditions NOA\nPrepared by Civil Core Consulting\nHydroCAD® 10.20-8a s/n 13637 © 2025 HydroCAD Software Solutions LLC",
            "attrs": {
                "block_label": "header"
            },
            "level": 2
        },
        {
            "id": "p204.3",
            "order": 3,
            "type": "heading",
            "bbox": {
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            },
            "text": "Summary for Pond 6P: BIORENTION BASIN 2A",
            "attrs": {
                "block_label": "paragraph_title"
            },
            "level": 3
        },
        {
            "id": "p204.4",
            "order": 4,
            "type": "text",
            "bbox": {
                "l": 52.56,
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            "text": "Inflow Area = 18,731 sf, 0.00% Impervious, Inflow Depth = 0.01\" for 2 YR-C event\nInflow = 0.00 cfs @ 24.01 hrs, Volume= 8 cf\nOutflow = 0.00 cfs @ 0.00 hrs, Volume= 0 cf, Atten= 100%, Lag= 0.0 min\nPrimary = 0.00 cfs @ 0.00 hrs, Volume= 0 cf\nRouted to Pond 33P : INFILTRATION BASIN 2\n\nRouting by Dyn-Stor-Ind method, Time Span= 0.00-72.00 hrs, dt= 0.01 hrs\nPeak Elev= 94.42' @ 24.97 hrs Surf.Area= 77 sf Storage= 8 cf\n\nPlug-Flow detention time=(not calculated: initial storage exceeds outflow)\nCenter-of-Mass det. time=(not calculated: no outflow)",
            "attrs": {
                "block_label": "algorithm"
            }
        },
        {
            "id": "p204.5",
            "order": 5,
            "type": "text",
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            "text": "#1 94.30' 307 cf Custom Stage Data (Prismatic)Listed below (Recalc)\nElevation (feet) Surf.Area (sq-ft) Inc.Store (cubic-feet) Cum.Store (cubic-feet)\n94.30 63 0 0\n95.00 148 74 74\n96.00 319 234 307\nDevice Routing Invert Outlet Devices\n#1 Device 3 94.80' 2.5\" Vert. Orifice C=0.600 Limited to weir flow at low heads\n#2 Device 3 95.50' 48.0\" x 48.0\" Horiz. Grate C=0.600\n#3 Primary 91.80' 12.0\" Round Culvert\nL=30.0' RCP, groove end projecting, Ke=0.200\nInlet / Outlet Invert=91.80'/91.65' S=0.0050'/' Cc=0.900\nn=0.012 Concrete pipe, finished, Flow Area=0.79 sf\nPrimary OutFlow Max=0.00 cfs @ 0.00 hrs HW=94.30' TW=91.65' (Dynamic Tailwater)\n3=Culvert (Passes 0.00 cfs of 5.72 cfs potential flow)\n1=Orifice (Controls 0.00 cfs)\n2=Grate (Controls 0.00 cfs)\nPond 6P: BIORENTION BASIN 2A\nCulvert",
            "attrs": {
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        }
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