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 A comparison between EPANET v2.0,

WaterCAD and WaterGEMS v8i SS3

Free software costs money

 Angela.Suarez@Bent ley.com

 Application Engineer Bentley Hydraulics & Hydrology Solutions

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EPANET WaterCAD/GEMS

What is it l ike to model using…

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Consider these:

1. Ease of use

2. Hydraulic elements

3. CAD, GIS interoperability

4. Model building tools

5. Advanced hydraulic features

6. Technical Support + Training

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1. Ease of use

EPANET WaterCAD WaterGEMS

Model Layout / Data Entry

Graphs

Tabular Reports

ProfilesContours

Element Symbology

Pressure Zone Manager 

Network Navigator 

Export to Google Earth * **

* Available in the MicroStation platform only**Available In MicroStation and ArcGIS platforms

 Available Limited Not Available

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2. Modeling ElementsEPANET WaterCAD WaterGEMS

Reservoir 

Tank

Junction

Pipe

PRV, PSV, PBV, FCV, TCV, GPV Air valves at high points

Hydropneumatic Tanks

Isolation Valves

Hydrants

Variable Speed Pump

Variable Speed Pump Battery

 Available Limited Not Available

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3. CAD, GIS InteroperabilityEPANET WaterCAD WaterGEMS

Database import/export

Convert CAD to pipes

Shapefile import / export

Runs inside of ArcGIS

Runs inside of AutoCAD *

Runs inside of MicroStation

Background CAD, shapefiles, .JPG

Excel import/export

Oracle, SQL import/export

Import/Export EPANET files

* Available at an additional cost

 Available Limited Not Available

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4. Model Building ToolsEPANET WaterCAD WaterGEMS

Demand Allocation using meter data

Demand Allocation using population

Demand Allocation by land use or area

Includes Average Demand Libraries?

Includes Material Libraries?Terrain Elevation Extractor 

SCADA connection *

Network Skeletonization *

User-defined attributes

 Associate external files (photos, videos, etc)

* Available in WaterCAD as an Add-On

 Available Limited Not Available

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5. Advanced Hydraulic FeaturesEPANET WaterCAD WaterGEMS

Scenario Management

 Automated Fire Flow analysisModel Calibration (Genetic Algorithms) *

Pump scheduling *

 Automated design and rehabilitation *

Criticality analysis and Flushing studies

Source Tracking

Leakage detection *

Pressure Dependent Demands

Pipe Renewal Planner (Asset Management) *

Water Hammer Modeling ** **

* Available in WaterCAD as an Add-On** Use same WaterCAD/WaterGEMS file in Bentley HAMMER®

 Available Limited Not Available

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6. Training and Technical Support

EPANET WaterCAD WaterGEMS

24/7 Technical support

Virtual instructor-led training

Virtual On-Demand training

Local Classroom training

Internet forums

Knowledgebase

Modeling Books, Textbooks

 Available Limited Not Available