{
  "constants": [
    {
      "name": "skylight_to_roof_ratio_max_value",
      "data_type": "value",
      "refs": [
        "NECB2011_S_3.2.1.4(2)"
      ],
      "value": 0.05,
      "units": "ratio",
      "notes": ""
    },
    {
      "name": "sizing_factor_max_cooling",
      "data_type": "value",
      "refs": [
        "NECB2011_S_8.4.4.9(1)"
      ],
      "value": 1.1,
      "units": "ratio",
      "notes": ""
    },
    {
      "name": "sizing_factor_max_heating",
      "data_type": "value",
      "refs": [
        "NECB2011_S_8.4.4.9(2)"
      ],
      "value": 1.3,
      "units": "ratio",
      "notes": ""
    },
    {
      "name": "fan_constant_volume_pressure_rise_value",
      "data_type": "value",
      "refs": [
        "NECB2011_S_5.Assumption"
      ],
      "value": 640.0,
      "units": "Pa",
      "notes": ""
    },
    {
      "name": "fan_variable_volume_pressure_rise_value",
      "data_type": "value",
      "refs": [
        "NECB2011_S_5.Assumption"
      ],
      "value": 1458.33,
      "units": "Pa",
      "notes": "Sets the fan pressure rise based on the Prototype buildings inputs which are governed by the flow rate coming through the fan and whether the fan lives inside a unit heater, PTAC, etc. 1000 Pa for supply fan and 458.33 Pa for return fan (accounts for efficiency differences between two fans)"
    },
    {
      "name": "infiltration_rate_m3_per_s_per_m2",
      "data_type": "value",
      "refs": [
        "NECB2011_S_5.Assumption"
      ],
      "value": 0.00025,
      "units": "m3/s/m2",
      "notes": ""
    },
    {
      "name": "infiltration_constant_term_coefficient",
      "data_type": "value",
      "refs": [
        "NECB2011_S_5.Assumption"
      ],
      "value": 0.0,
      "units": "",
      "notes": ""
    },
    {
      "name": "infiltration_temperature_term_coefficient",
      "data_type": "value",
      "refs": [
        "NECB2011_S_5.Assumption"
      ],
      "value": 0.0,
      "units": "",
      "notes": ""
    },
    {
      "name": "infiltration_velocity_term_coefficient",
      "data_type": "value",
      "refs": [
        "Assumption"
      ],
      "value": 0.224,
      "units": "",
      "notes": ""
    },
    {
      "name": "infiltration_velocity_squared_term_coefficient",
      "data_type": "value",
      "refs": [
        "Assumption"
      ],
      "value": 0.0,
      "units": "",
      "notes": ""
    },
    {
      "name": "skylight_to_roof_ratio",
      "data_type": "value",
      "refs": [
        "NECB2011_S_3.2.1.4(2)"
      ],
      "value": 0.05,
      "units": "",
      "notes": ""
    }
  ]
}