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  1. Harvest Flow

    Harvesting Flow Outlet is a type of a Fixed Flow control - the constant flow rate occurs when the water level exceeds the invert level.   Harvesting Flow: Specifications  xpdrainage 2017.3_harvesting_flow.png Invert Level - Enter level when flow will commence. Fixed Flow Rate - Enter the required consta
  2. Gate

    With Gate Controls, the gate equation (1) below is used when the water level is higher than the gate soffit level. When the water level is lower than the gate soffit level then the gate is analyzed as a weir with equation (2) below.   XPD2015.v3-Gate_Formula.png where W = width of the gate H = height of the gate
  3. No Delay

    connection is a simple connection with immediate flow transfer (what comes in instantly comes out of the connection). Parameters to specify: Length, see  Conn Inputs. Section Pages Connections Workflow - What's next...? xpdrainage_2016_workflow1.png Inflows connect to either  Junctions or  Stormwa
  4. Networks

    A network is a dendritic route through the site that is used to perform a Pipe Sizing calculation. This is required as the route which the flows will take must be dictated in order to perform a sizing calculation using the Rational Method approach. A dendritic route does not allow for loops or bifurcations, so a sing
  5. Connections Summary

    The Connections Summary Results shows a summary of how each  Connections in the current phase performed. xpdrainage2017.3_connections_summary.png Filtering the Results When the All Items radio button is selected, the summary shows the maximum flow rates entering and leaving together with details of the volumes
  6. SCS Rainfall Method

    The SCS Rainfall Method was developed by the United States Department of Agriculture -  http://www.nrcs.usda.gov/Natural Resources Conservation Service http://www.nrcs.usda.gov/ (USDA-NRCS). It generated four synthetic 24-hour rainfall distribution curves that cover all geographical regions of the United States. These
  7. Stormwater Controls Summary

    The Stormwater Controls Summary Results shows a summary of how each  Stormwater Controls - SWC in the current phase performed. xpdrainage2017.3_stormwater_controls_summary.png Filtering the Results When the All Items radio button is selected, the summary shows the maximum flow rates entering and leaving togethe
  8. Connection - Item Results

    Connections - Item Results shows a summary of how the selected  Connection   performed for the current storm/event as highlighted on the Storm Selector. Graphs xpdrainage 2017.3_cir_graphs.png Provides 2 graphs showing different aspects of the result, each of which can be turned on and off as required. For m
  9. Bookmarks

    allow the saving of a given Plan View location. xpdrainage 2017.3_bookmarks.png When at the desired Plan View location select Add to save the location.  To revert back to that Plan View use Go To after selecting the saved location. Section Pages Views
  10. Stormwater Controls - Item Results

    shows a summary of how the selected Stormwater Control performed for the current storm/event as highlighted on the Storm Selector. Graphs xpdrainage2018.1_stormwater_controls_graph.png Provides 4 graphs showing different aspects of the result, each of which can be turned on and off as required. For more informa