Creating a shapefile/feature class to ensure proper pipe and junction connectivity using ModelBuilder

   
  Applies To 
   
  Product(s):
Bentley WaterGEMS, Bentley SewerGEMS,  Bentley HAMMER
  Version(s): 08.11.XX.XX
  Environment:  N/A
  Area: 
  Original Author: Mark Pachlhofer, Bentley Technical Support Group
   

Problem

Creating a shapefile/feature class to ensure proper pipe and junction connectivity using ModelBuilder

Solution

The best way to help ensure that everything comes in correctly using ModelBuilder starts when the file that you are trying to bring in is created in ArcMap. When creating the file you should make sure to turn on all your snapping options so the elements are actually connected in ArcMap and there aren't gaps between the elements. Also, make sure to lay out the elements correctly according to WaterGEMS rules. This means that every pipe needs to have some type of node element attached at either end. Node elements include junctions, tanks, valves, reservoirs, and pumps. If possible it's also advised to create a new pipe between each two nodes elements. For example, instead of laying out all the pipes first when creating the shapefile (feature class) you create elements in the following order:

  1. Create a node element
  2. Create the line element representing the pipe
  3. Create the end node element for the line
  4. Repeat steps 1-3 until finished.

See Also

WaterGEMS for ArcGIS FAQs

  • Created by
  • When: Tue, Jul 7 2015 12:07 PM
  • Last revision by
  • When: Fri, Sep 9 2016 12:24 PM
  • Revisions: 5
  • Comments: 0
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