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...selecting the HY-8 modeling wizard tool in the [[WMS:Get Data Toolbar|Get Data Toolbar]] ([[Image:GetDataToolbar1.png]]). # [[WMS:Watershed Data|Watershed Data]]

...ter the gradations of the streambed upstream and downstream of the culvert crossing. HY-8 will only perform this analysis on crossings with one culvert.

=AOP Stream Simulation, Input Reach Data= ...w directly, or if the flow has already been entered in the ''Culvert Input Data'' dialog, select the flow in the drop down menu. If multiple flows are bel

=The Path of Data from WMS to HY8 in the HY8 Modeling Wizard= ...lows: Discharge Data, Tailwater Data, Roadway Data, Culvert Data, and Site Data. These categories can be seen in the HY-8 interface.

...or just one or multiple crossings. Select from the available fields which data to include and what order to report. The report file type can be a rich te ===Choose Crossing(s) to Include:===

...humb|none|left|550 px|HY8 Modeling Wizard showing the ''Crossing Discharge Data'' step.]] The ''Crossing Discharge Data'' step allows pulling a hydrograph from the hydrologic simulation, use the

.... The ''Elevation Discharge Input'' dialog is used to set up the discharge data. ...e an HY-8 culvert crossing. The elevation-discharge computations for this crossing are then assigned to the WMS Elevation Discharge relationship. The hydrogr

|subtitle=FHWA HY-8 Culvert Analysis Software === HY-8 Culvert Analysis Program ===

=Low Flow Hydraulics, Align and Size Culvert= ....jpg|thumb|600 px|''Low Flow Hydraulics'' dialog show the ''Align and Size Culvert'' options.]]

==Discharge Data== There are options to enter discharge data into HY-8: "Minimum, Design, and Maximum", "User-Defined", and "Recurrence"

...channel in much the same way as defining a roadway centerline or a culvert crossing centerline in a previous wizard step. ...the tailwater centerline arcs, start at the downstream end of the culvert crossing arc and create an arc downstream from that location.

=AOP Stream Simulation, Align and Size Culvert= ...ize that there is no undo or cancel on optimize or any changes made to the culvert alignment and size.

...mpt will ask to enter a beginning station for the roadway when viewing the culvert from the front using the ''Views'' toolbar. ...eflect the top width of the water surface in the channel upstream from the culvert at the roadway elevation. Roadway width includes the shoulders, traffic la

...ng the culvert crossing data, analyzing the culvert crossing, and defining culvert notes. The right-click menu for a performance curve would not include thes [[Image:HY8image ExportCrossing.jpg|thumb|none|450 px|Example of the ''Export Crossing'' dialog.]]

...put data window. The user must enter a slope greater than zero before the crossing may be analyzed. ...ert Elevation — User must enter the elevation of the channel at the culvert outlet. The program will show actual barrel #1 outlet invert elevation.

...annel invert elevation (generally the same as the downstream invert of the culvert) is required so that a tailwater depth can be computed from the rating curv [[Category:Crossing Data|R]]

...plorer then makes it easy to toggle back and forth between the alternative crossing designs. ...culvert shape, inlet conditions, and site data define a culvert within the crossing. This grouping, and therefore subsequent tabbing through the main input sc

The main HY-8 window has many sections and areas to give quick access to data and tools. The Graphics Window is where data is rendered and data is manipulated using tools.

...|thumb|none|left|550 px|HY8 Modeling Wizard showing the ''Storage Capacity Data'' step.]] ...torage capacity data and to route the hydrograph at the outlet through the culvert.

=Low Flow Hydraulics, Input Reach Data= ...pg|thumb|none|600 px|''Low Flow Hydraulics'' dialog show the ''Input Reach Data'' options.]]