dc_ID:string Unique ID throughout the whole database. Should not contain spaces.

Shape: Point Spatial data.

Elevation: float Elevation above Sea Level in m.

result_demand: float EPANET analysis result: Demand in liters per second.

result_head: float EPANET analysis result: Total Head in m.

result_pressure: float EPANET analysis result: Pressure in m.

ElevationSource: CodedValue Integer field containing a coded value that describes the origin of the elevation information for this node.

Demand: float Base demand flow in liters per second.

Pattern: string Demand Pattern ID. If no demand pattern is supplied then the junction follows the Default Demand Pattern provided in the Options Table, or Pattern 1 if no Default Pattern is specified. If none of the patterns exist, the demand will remain constant.

EmitterCoefficient: float Flow Coefficient. Flow units at 1 m pressure drop. E.g. 1l/s at 1m pressure drop.

Initiallevel: float Initial water level above the tank bottom level (the elevation field) in m.

Minimumlevel: float Minimum water level above the tank bottom level in m.

Maximumlevel: float Maximum water level above the tank bottom level in m.

Diameter: float Nominal Diameter of the tank in m. If a volume curve is supplied this can be any non-zero number.

Minimumvolume: float The minimum volume of the tank in cubic meters. Can be zero.

Volumecurve: string The id of the volumecurve - for non-cylindrical tanks.

Properties: string EPANET properties of the pump. Keyword(s) followed by value(s). Keywords consist of:

Diameter: integer Diameter of the valve in mm.

Type: string Type of the valve. The following EPANET valve types are valid:

Additional valve types supported by the DC Water Design Extension:

EPANET models check valves and shuoff valves as pipes. The extension will create the necessary pipes on the fly (Virtual Lines, see the section called “Virtual Lines”).

Setting: string Valve type dependent setting. The setting field takes the following values for the different valve types:

Minorloss: float Minor loss coefficient of the valve.

Shape: Polyline Spatial data.

node1: string Start node dc_id.

node2: string End node dc_id.

length: float The length of the pipe in m.

diameter: integer Nominal pipe diameter in mm.

roughness: float Pipe roughness coefficient in mm.

minorloss: float Minor loss coefficient.

status: string Status of the pipe. The following values are valid:

Material: CodedValue Integer field containing a coded value describing the material of the pipe.

result_flow: float EPANET analysis result: The flow in liters per second.

result_velocity: float EPANET analysis result: Flow velocity in meters per second.

result_headloss: float Headloss over the pipe in m.

Head: float The hydraulic head of the reservoir. Elevation + pressure head.

Pattern: string Optional head pattern id.

Installation_date: date The date of installation. If this is a date in the future, the feature is planned.

Abandon_date: date The date when the feature was abandoned.

dcSubtype: CodedValue Integer field containing coded values describing the feature. Different Domains are applied to the Feature classes.

BitcodeZone: integer Integer containing a bit-coded that describes the zones in which the Feature is used.

multiplier: float The multiplier that describes how to adjust the base quantity.

Units: string LPS (liters per second) should be used. See the EPANET documentation for other flow units. Using other flow units will render the units specified in this document invalid.

Headloss: string Headloss equation. D-W (Darcy-Weissbach) should be used.

Hydraulics: string Allows to specify a filename for the hydraulic solution. Leave empty.

Viscosity: float The kinematic viscosity of the fluid being modeled relative to that of water at 20�C. The default value is 1.0.

Diffusity: float The molecular diffusity of the chemical being analyzed relative to that of chlorine in water. The default value is 1.0.

Specificgravity: float The ratio of the density of the fluid being modeled to that of water at 4°C.

Trials: integer The maximum number of trials used to solve the network hydraulics for each time step. The default is 40.

Accuracy: float Convergence criterion that describes when a hydraulic solution is found. The default is 0.001.

Unbalanced: string Determines what happens if no hydraulic solution can be found within the prescribed number of time steps. The following values are valid:

The default is STOP

pattern: string The default demand pattern id that is applied to all junctions that don't have a pattern specified. If this is empty, the default "1" is used.

Demandmultiplier: float Global Demand multiplier. Applied to all base demands of junctions. The default value is 1.0.

emitterexponent: float Specifies the power to which the pressure at a junction is raised when computing the flow issuing from an emitter. The default is 0.5.

tolerance: float The difference in water quality level below which parcels of water are considered of equal value. The default is 0.01.Itemizemap: string The name of a file containing junction coordinates.

Pagesize: integer The number of lines on one page of the output report. The default is 0 meaning that no limit of lines per page is in effect.

File: string The name of the report file. Leave empty if you use the DC Water Design Extension.

Status: string Determines whether hydraulic status messages should be written to the report file. The following values are valid:

The default is NO.

Summary: string Determines whether a Summary is generated. The following values are valid:

Default is YES.

Messages: string Determines whether warning and error messages are written to the report. The following values are valid:

The default is YES.

Energy: string Determines whether energy and energy cost reports for pumps should be written to the report file. The following values are valid:

The default is NO.

Nodes: string Determines which nodes will be reported on. The following values are valid:

The default is NONE.

Links: string Determines which links will be reported on. The following values are valid:

The default is NONE.

Duration: string The duration of the simulation.

Hydraulictimestep: string Determines how often a new hydraulic solution is computed. The default is 1 hours.

Qualitytimestep: string Determines how often the water quality is computed. The default is 1/10 of the hydraulic time step.

Ruletimestep: string Used with rule-based controls. Defaults to 1/10 of the hydraulic time step.

Patterntimestep: string The interval between time periods in all time patterns. The default is 1 hour.

Patternstart: string Describes when the pattern cycle will be started. Defaults to 0.

Reporttimestep: string The interval in which results will be reported. The default is 1 hour.

Reportstart: string Determines the time when reporting starts. The default is 0.

Startclocktime: string The time of the day at which the simulation starts. The default is 12 AM (midnight).

Statistic: string Determines the type of statistical post-processing. The following values are valid:

result_flow: float EPANET analysis result: The flow in liters per second.

result_velocity: float EPANET analysis result: Flow velocity in meters per second. result_headloss:float Headloss over the pipe in m.

dc_x: float X value.

dc_y: float Y value.