{
 "surface": {
  "x0": 0.0,
  "x1": 200.0,
  "y0": 0.0,
  "y1": 10.0,
  "cell_size": 1.0,
  "manning_n": 0.02,
  "bed": {
   "type": "plane",
   "z0": 1.0,
   "slope_x": 0.005
  },
  "boundaries": {
   "left": "wall",
   "top": "wall",
   "bottom": "wall",
   "right": "normal_depth"
  },
  "open_boundary": true
 },
 "normal_depth_q": 0.05,
 "manholes": [
  {
   "id": "M1",
   "x": 25.0,
   "y": 5.0,
   "crest": 0.875,
   "perimeter": 1.884956,
   "area": 0.282743,
   "cw": 0.5,
   "co": 0.6
  }
 ],
 "network": {
  "junctions": [
   {
    "id": "J0",
    "invert": -1.0,
    "max_depth": 10.0
   },
   {
    "id": "M1",
    "invert": -1.125,
    "max_depth": 2.0
   }
  ],
  "outfalls": [
   {
    "id": "CAP",
    "invert": -1.125,
    "type": "FIXED",
    "stage": 50.0,
    "gated": true
   }
  ],
  "conduits": [
   {
    "id": "P1",
    "from": "J0",
    "to": "M1",
    "length": 50.0,
    "D": 0.6,
    "n": 0.013
   },
   {
    "id": "STUB",
    "from": "M1",
    "to": "CAP",
    "length": 1.0,
    "D": 0.1,
    "n": 0.013
   }
  ],
  "inflows": [
   {
    "node": "J0",
    "Q": 0.5
   }
  ],
  "duration_s": 1800,
  "report_step_s": 60
 },
 "duration_s": 1800,
 "output_interval_s": 30
}