1 Project Management

• New Project
• Open
• Save
• Rollback
• Save As

2 Crea Data

2.1 Elevation From Server

• Global 30m altitude data provided by NASA (Shuttle Radar Topography Mission).
• Clicking on the server elevation data downloads the local altitude data from the server.

• This function must have coordinate system information on all layers.

2.2 Create Grid

• This function creates an elevation grid using the elevation data.
• This function is used to enter an elevation value of the node when creating a network.
• Click on the Create Grid button and the following window will appear :
• If you enter a cell size, the elevation grid will be created.

2.3 Epanet

• Epanet is a function that creates EPANET INP file from GIS water facility data.
• In order to generate the Epanet inp, water pipes layer, the water meter layer, the elevation layer, and Excel usage data are required.

2.3.1 Option

• Remove Supply Pipe
• Default Pipe Depth
• Flow Units
• Default Roughness

2.3.2 Roughness

• The roughness is estimated in different ways between general pipes and PVC & PE type.
• The roughness is more accurate when there is a install date.
• If PVC & PE invert is selected on the screen above, the non-selected pipe is calculated as normal pipe type.

2.4 SWMM