{
  "schemaVersion": "1.0",
  "sheet": {
    "number": "C-9",
    "title": "Drainage and Grading Plan",
    "civilPdfPage": 9,
    "issueDate": "2024-02-23",
    "addressPrinted": "308 8th Street West, City of Bradenton, Florida",
    "scale": "1\" = 20 FT · PRINTED SCALE"
  },
  "coordinateSpace": {
    "width": 1920,
    "height": 1280
  },
  "groups": [
    {
      "id": "storm-structures",
      "label": "Visible proposed storm structures",
      "count": 8,
      "unit": "EA",
      "color": "#299bba",
      "basis": "SHOWN / SOURCE-LINKED",
      "status": "PLAN"
    },
    {
      "id": "storage",
      "label": "Underground storage chamber system",
      "count": 1,
      "unit": "SYS",
      "color": "#d66a35",
      "basis": "SHOWN / SOURCE-LINKED",
      "status": "PLAN"
    }
  ],
  "measurements": [
    {
      "id": "c9-main",
      "label": "Storm main - five-structure chain",
      "unit": "LF",
      "line": [
        [
          413,
          651
        ],
        [
          642,
          651
        ],
        [
          875,
          651
        ],
        [
          1118,
          651
        ],
        [
          1407,
          651
        ]
      ],
      "color": "#299bba",
      "quantity": 372.7,
      "status": "MEASURED PATH - PRINTED SCALE",
      "basis": "Exact saved source polyline at 1 inch = 20 feet; curve endpoints are traced at visible centerline. Hidden depth, vertical, fittings and unshown continuation are excluded."
    },
    {
      "id": "c9-laterals",
      "label": "Storm branch laterals - visible centerlines",
      "unit": "LF",
      "lines": [
        [
          [
            413,
            651
          ],
          [
            450,
            850
          ]
        ],
        [
          [
            642,
            651
          ],
          [
            640,
            850
          ]
        ],
        [
          [
            875,
            651
          ],
          [
            875,
            850
          ]
        ],
        [
          [
            1118,
            651
          ],
          [
            1123,
            834
          ]
        ],
        [
          [
            1407,
            651
          ],
          [
            1390,
            866
          ]
        ],
        [
          [
            1123,
            834
          ],
          [
            1123,
            900
          ],
          [
            839,
            933
          ]
        ]
      ],
      "color": "#d66a35",
      "quantity": 506.7,
      "status": "MEASURED PATH - PRINTED SCALE",
      "basis": "Exact saved source polyline at 1 inch = 20 feet; curve endpoints are traced at visible centerline. Hidden depth, vertical, fittings and unshown continuation are excluded."
    },
    {
      "id": "c9-parking",
      "label": "Parking and drives - printed schedule",
      "quantity": 41198.38,
      "unit": "SF",
      "status": "PRINTED SCHEDULE",
      "basis": "C-9 impervious coverage summary; not a traced-area substitute.",
      "polygons": [
        [
          [
            330,
            550
          ],
          [
            1460,
            550
          ],
          [
            1460,
            900
          ],
          [
            330,
            900
          ]
        ]
      ],
      "color": "#876bd5"
    },
    {
      "id": "c9-walks",
      "label": "Walks - printed schedule",
      "quantity": 4474.8,
      "unit": "SF",
      "status": "PRINTED SCHEDULE",
      "basis": "C-9 impervious coverage summary.",
      "polygons": [
        [
          [
            300,
            430
          ],
          [
            1450,
            430
          ],
          [
            1450,
            540
          ],
          [
            300,
            540
          ]
        ]
      ],
      "color": "#398d79"
    }
  ],
  "printedDimensions": [
    "Existing impervious: 3,132.13 SF (0.07 AC)",
    "Demolition walks/drives/pavers: 3,284.2 SF",
    "Demolition curb: 266.2 LF",
    "Proposed buildings: 14,482.71 SF",
    "Proposed walks: 4,474.80 SF",
    "Proposed parking and drives: 41,198.38 SF",
    "Proposed pool: 1,933.74 SF",
    "Total proposed impervious: 62,089.67 SF (1.43 AC)"
  ],
  "issues": [
    {
      "id": "CIV-ADDR",
      "title": "Project address requires reconciliation",
      "text": "The civil set identifies 308 8th Street West. The architectural/MEP takeoff set identifies 716 3rd Avenue Drive West. Confirm the governing parcel and address before bid documents and RFIs are issued."
    },
    {
      "id": "CIV-ROOMS",
      "title": "Civil hotel program conflicts with architectural takeoff",
      "text": "C-8 through C-10 label a 131-room hotel. The architectural takeoff verifies 85 guestrooms, while the mechanical schedules reference 107. Preserve all three values until the design team identifies the governing program."
    },
    {
      "id": "C9-03",
      "title": "Underground storage detail reference is broken",
      "text": "The chamber callout says SEE DETAILS but does not identify a sheet or detail number."
    },
    {
      "id": "C9-04",
      "title": "Pipe sizes are not certified from this sheet alone",
      "text": "Visible storm centerlines are measured, but run sizes, chamber manifold lengths and fittings must be reconciled to drainage details and profiles."
    },
    {
      "id": "C9-05",
      "title": "Title-block sequence is offset",
      "text": "C-9 prints 10 of 20 in its title block; C-10 prints 11 of 20. Confirm the issue-set sheet numbering."
    }
  ]
}