Applies To Product(s): Bentley HAMMER Version(s): 08.11.xx.xx Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem Why are my maximum transient pressures higher when using an air valve, compared to not using an air valve? Why does using an air valve sometimes make my results worse? Solution If the outflow orifice is not sized properly and air is released too quickly, the adjacent water columns can 'slam' together when the last bit of air is expelled, causing some of the worst types of surges. This is similar to an instantaneous valve closure but even worse, as the water columns on either side collide together. When using an air valve, it is important to allow fast air inflow on downsurge, but to slowly release the air. This is done by either reducing the outflow orifice diameter or by using a triple acting air valve. A triple acting valve can throttle the outflow orifice size just before the columns collide, to cushion the air pocket collapse. To visualize and confirm this in the model, animate a profile path in the transient results viewer. Make sure the profile passes over the air valve(s). Make note of the air/vapor volume shown at the top of the animation - you may notice a pocket form at the air valve location. When pressure returns to the system (such as after an emergency pump shutdown), notice how fast the air pocket reduces in size. Note also what happens when the air pocket is fully expelled. If the air is expelled too quickly, you'll see a very severe surge emanate from the valve location. A comparison of this phenomenon with an improperly sized orifice versus a triple acting air valve can be seen in the "Modeling Reference - Air Valves" TechNote . In addition, it is important to note that the air valve in HAMMER will open to let air into the system when zero pressure is obtained. A no-protection case could see negative pressures but not see vapor pressure. The correct solution for a case like this will be up to the engineer's discretion, but may be related to the type of system and the nature of the results, i.e., how close the negative pressure is to vapor pressure.
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Wiki Page: Transient pressure worse with air valve added
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Wiki Page: Import Error. Be sure to choose a valid database file.
Applies To Product(s): Bentley SewerGEMS, Bentley SewerCAD Version(s): 08.11.01.21 +, 10.XX.XX.XX Area: General Original Author: Jesse Dringoli, Bentley Technical Support Group Problem When importing a SewerCAD or SewerGEMS Sanitary model in SewerGEMS, the following error occurs: Import Error: Be sure to choose a valid database file. Area: General, Problem ID#: 43752, Internal Reference Number: 59274 Solution This may be to due to a missing pattern setup. In SewerCAD or SewerGEMS Sanitary, open the model, then check each of the calculation option settings under Analysis > Calculation options. Check the "Pattern Setup" field and make sure it is populated with a pattern setup. If a previously selected pattern setup was deleted at some point, it could cause this error. If this is set to "None", create a new pattern setup and select it from the dropdown. Save the model and import it.
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Wiki Page: Object reference not set to an instance of an object error after computing a SewerCAD model
Applies To Product(s): Bentley SewerCAD Version(s): 08.11.00.52 Area: Layout and Data Input Original Author: Terry Foster, Bentley Technical Support Group Problem Object reference not set to an instance of an object error after computing a SewerCAD model Problem ID#: 42144 Solution Check the pattern setup for entries without a unit load assigned.
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Wiki Page: How is a variable area tank cross section curve setup? What is the relative depth/volume based on?
Applies To Product(s): Bentley WaterCAD, Bentley WaterGEMS Version(s): 08.09.XX.XX, 10.XX.XX.XX Area: Layout and Data Input Original Author: Jesse Dringoli, Bentley Technical Support Group Problem How is a variable area tank cross section curve setup? What is the relative depth/volume based on? Problem Number 34567 Solution The variable area tank cross section curve is based on the total tank depth/volume. Be careful to check the units of the depth/volume columns in the cross section curve - they default to percent, meaning it will expect values between 0 and 100, unless you change the units to be unitless (right click the colum header >unit and formatting) in which case it would be expecting between 0 and 1.0. Values between 0 and 100% in the depth ratio column represent depths between the minimum tank elevation and maximum tank elevation. Values between 0 and 100% in the volume ratio column represent volumes between 0gallons and the total tank volume. For example, say we have the following tank: - Minimum elevation of 100ft - Maximum elevation of 200ft - Total volume is 500,000 gallons (entire tank volume, between min and max elevations.) - The volume below 150ft is 100,000 gallons Assuming the default % units, we would develop the cross section curve based on a total depth of 100ft (200 - 100 = 100) and total volume of 500,000 gallons. 500,000 would be entered as the "Volume full (input)", 100ft as the "elevation (minimum)" and 200ft as the "elevation (maximum)". The cross section curve would be like this: 0,0 50, 20 100,100 Meaning, at 0% of the depth (100ft) there would be 0% of the full volume (0g). At 50% of the depth (150ft) there would be 20% of the total volume (100,000g) and at 100% of the depth (200ft) there would be 100% of the volume (500,000g.) Of course, you should use more points than this for greater accuracy. Linear interopolation is used for compute volumes for depths between the points you enter in the curve.
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Wiki Page: What should the "flow tolerance" be set to?
Applies To Product(s): Bentley HAMMER Version(s): 08.11.xx.xx, 10.XX.XX.XX Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem What should the "flow tolerance" be set to? What is a good value for flow tolerance? Solution The flow tolerance determines if a pipe is considered as having zero flow or not. The best value to use for the Flow Tolerance field in the transient calculation options depends on the modeling situation. If you have pipes whose flow is zero in the initial conditions (such as near a pump that is off), you will need to make sure the flow tolerance is higher than the flow seen in those pipes. There's always going to be a little bit of calculation noise, so pipes whose flows should be zero might be something like 0.0004567. So, be sure to change the decimal precision on both the flow tolerance field and the computed flow field and compare the two. If all of the pipes in your model have positive flows, you don't need to worry about what to set the flow tolerance to. When the flow in a pipe in the initial conditions is less than the tolerance, it will be considered as having exactly zero flow during the transient simulation, which changes the method by which hammer compute the DW friction factor to use for those pipes. The flow tolerance should be small enough so that pipes with positive flow aren't considered as having zero flow, but large enough so that pipes that do have zero flow are considered as such If you have a pipe that basically has zero flow in the initial conditions, yet some numerical noise causes it to be slightly above the tolerance, the friction factor will not be accurate. On the other hand if you have a pipe with just a little bit of a flow in it, yet you set the flow tolerance too high, it could be considered as having zero flow and will result in calculation errors.
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Wiki Page: How to populate or update an existing model with GIS-IDs
Applies To Product(s): Bentley WaterGEMS, Bentley SewerGEMS, Bentley CivilStorm, Bentley StormCAD, Bentley PondPack, Bentley SewerCAD, Bentley HAMMER, Bentley WaterCAD Version(s): 08.11.XX.XX Area: Layout and Data Input Original Author: Jesse Dringoli and Mark Pachlhofer, Technical Support Group Problem How do I populate an existing model with GIS-IDs? Solution If the labeling system in your model does not match that of your GIS but you want to update the model to include GIS-IDs (unique IDs from your GIS), you can follow the below process to export the labels, do a spatial join, then bring them back in to populate the model. After doing this, you'll be able to synchronize changes on either the model or the GIS without having to change or maintain either labeling system. Note: the screenshots in the below steps may look slightly different in your version, though the general process is the same. You may want to ensure that you have the latest version of the software installed. 1) You will need to first generate a file (shapefile, spreadsheet, etc) relating each WaterGEMS/SewerGEMS element with the corresponding GIS-ID. For example, you could export the WaterGEMS/SewerGEMS elements to shapefiles by creating a new flextable with only the label field, then click the export button in the top left corner. 2) Using your GIS software (such as ArcMap), perform a spatial join and create a table joining the WaterGEMS/SewerGEMS label to the GIS's ID field. If you need assistance with this, please contact your GIS specialist. This table can then be used with Modelbuilder per the below steps, to populate the GIS-ID fields in the model. This will need to be done with each element type (pipe, junction, reservoir, etc), using it's corresponding "GIS-IDs" table type (for example "Pipe, GIS-IDs" for pipes) in Modelbuilder. 3) Start Modelbuilder, choose Excel as the source type and select the spreadsheet. Only check the worksheet containing the data. 4) Click next. No need to create nodes since we’re updating: 5) Click next. We only need to update existing objects: 6) Click next. Key field is label, since we’re just populating the GIS-IDs: 7) Click next. This step is important. The “table type” needs to be set to “Pipe, GIS-IDs”, since the GIS-ID field is a collection. The key field is the field in the spreadsheet with the WaterGEMS labels. Map GIS-ID at the bottom to the GIS-ID field in your spreadsheet. 8) Click next, then finish. The model will now be populated with GIS-IDs. Updating a model with GIS-ID's 1) Create an excel spread sheet with a column titled "Label" and another column titled "GIS-ID" 2) With your model file open go to Tools > Modelbuilder and create a new Modelbuilder run by clicking the icon that looks like a white sheet of paper 3) For the datasource type on step one of Modelbuilder select "Excel 2013/2010/2007 (12.0)" and choose the spread sheet location you created in step 1 above 4) Click next until you get to step 5 of modlebuilder, which is the field mapping step. Set the table type to " , GIS-IDs" and the 'Key Fields' to "Label". For example, if you were exporting your Pipe GIS-IDs your table type would be "PIpe, GIS-IDs" and If you were doing it for junctions the table type would be "Junction, GIS-IDs". In the lower part of this dialog box match the GIS-ID field from your excel spreadsheet to the GIS-ID property. Please see the screen shot below for this setup. 5) Proceed to the last screen of Modelbuilder by hitting the "Next button" and for the question that asks "Do if you want to build a model now?" choose "No" and click the "Finish" button. 6) On the Modelbuilder manager window click the sync out button (see screen shot below) to export the GIS-IDs from your model to your spreadsheet. 7) Open the spreadsheet and adjust the GIS-ID's appropriately then save and close it. 8) Open the modelbuilder window and click the "Build model" button See Also http://communities.bentley.com/products/hydraulics___hydrology/w/hydraulics_and_hydrology__wiki/2821.aspx http://communities.bentley.com/Products/Hydraulics___Hydrology/w/Hydraulics_and_Hydrology__Wiki/updating-a-model-using-model-builder.aspx http://communities.bentley.com/Products/Hydraulics___Hydrology/w/Hydraulics_and_Hydrology__Wiki/updating-source-file-using-model-builder.aspx
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Wiki Page: Generating a log file for installation problem troubleshooting
Applies To Product(s): Bentley WaterGEMS, WaterCAD, HAMMER, SewerCAD, SewerGEMS, StormCAD, CivilStorm, PondPack Version(s): 08.11.xx.xx Area: Installation Original Author: Jesse Dringoli, Bentley Technical Support Group Problem Can I generate a log file (setup log or installation log) during installation, to help troubleshoot installation related errors? Solution Yes, but the process depends on the product and version. If the generated log file does not contain clues to help you resolve the problem, please send it to Technical Support. Recent Versions This process applies to the below versions (or greater): CivilStorm 08.11.01.36 V8i SS1 + HAMMER 08.11.01.32 V8i SS1 + PondPack 08.11.01.51 V8i + SewerCAD 08.11.02.46 V8i SS2+ SewerGEMS 08.11.02.46 V8i SS2+ StormCAD 08.11.02.35 V8i SS2+ WaterCAD 08.11.01.32 V8i SS1+ WaterGEMS 08.11.01.32 V8i SS1 If you have the above versions or greater, a log file will automatically be generated during installation. After installation, it can be found under the root of the Windows temporary folder as a .txt file. For example, StormCAD would be StormCADSetupLog.txt and WaterGEMS would be WaterGEMSSetupLog.txt. To find the Windows temp folder, type "%temp%" in the Windows Explorer (My Computer) address bar (without the quotes), and press enter. The log file will be right in the root folder that first appears, not in a subfolder. You may need to sort the list on modified date so it appears at the top. Other Version This process applies to the below versions and earlier (though some very old versions may not work): FlowMaster 08.11.01.03 CulvertMaster 03.03.00.04 CivilStorm 08.11.00.08 HAMMER 08.11.00.30 PondPack 10.01.04.00 SewerCAD 08.11.00.52 SewerGEMS 08.11.01.21 StormCAD 08.11.00.44 WaterCAD 08.11.00.30 WaterGEMS 08.11.00.30 For these versions, you must pass an argument ("switch") to the installation executable file in order to generate a log file. Below is the syntax: Setup_filename.exe /v"/l* "C:\Temp.txt"" This would be done by going to Start > Run, browse to the installation file, then add the above syntax to the end of the path. In the above example, the installation log file will be called Temp.txt and will be located in C:\ .
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Forum Post: RE: Leakage Detection
Another aspect of the leak detection in its own right, is the accuracy of the node demands in the model aka Demand Alternative or Demand Collections. In an ideal world, one would have exact customer meter point flow data at a particular time (demands), and synchronous system flow meter data, and pumps/tank data from SCADA, then utilize Darwin Calibrator to highlight the possible loss areas. Often what we model for demands stem from averaged flows during 30 day cycles, strapped onto a diurnal curve to guestimate what the demands are at night (when the "noise" is the lowest), plus likely system flow meter, pump, tank data at that time. My point is, the prediction is as good as the data being used, whether it is the field snapshot data, or the underlying demands entered into the Demand alternative themselves. quoting Dr. Walski "use good engineering judgement".
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Wiki Page: Inserting or laying out pipe bends
Product(s): Bentley WaterCAD, WaterGEMS, HAMMER, StormCAD, SewerCAD, SewerGEMS, CivilStorm, PondPack Version(s): 08.11.XX.XX, 10.XX.XX.XX Area: Layout and Data Input Problem How can I lay out a bend in a pipe when working in the AutoCAD integrated mode, MicroStation integrated mode or Standalone? (instead of inserting extra junctions) Solution AutoCAD When laying out a pipe (or other link element) in the AutoCAD integrated mode, start laying out the pipe, right click, choose Bend, then left click to place the bend. Right click again and select the desired end node, then left click to place that end node. To insert a bend in an existing pipe, select the pipe, right click > Bend > Add Bend, then click on the pipe at the location where you want to insert the bend. Note that you may need to adjust your OSNAP settings to prevent it from trying to select the end node. MicroStation When laying out a pipe (or other link element), start laying out the pipe/gutter/channel. Select from the "current node" dropdown in the layout dialog box (which appears when you start laying out the link), then click where you want to place the bend. Under the Tools menu of MicroStation, go to Toolboxes. Scroll to the "Modify" Toolbox, check it and click ok. On the Modify toolbox, select the Insert Vertex tool. Identify the pipe segment where you would like to insert the bend. This will now enable you to stretch the pipe at that vertex point to create the bend. Standalone In standalone, while laying out a pipe, press and hold the CTRL key and left click in the drawing to insert a bend. To insert a bend in an existing pipe, right click on the pipe > Bend > Add Bend. Inserting Multiple Bends To insert multiple bends at once use ModelBuilder to build or update your pipes from a shapefile, .DXF file, or other file type . See Also Will the minor losses associated with pipe bends be automatically accounted for?
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Wiki Page: What is the difference between Darcy-Weisbach roughness coefficients e and f ?
Product(s): BENTLEY WATERGEMS Version(s): 08.11.XX.XX Area: Modeling Problem Difference between e and f, roughness coefficient, when using Darcy-Weisbach Problem ID#: 69991 Solution e = roughness height (unit = Length) (or relative roughness) f = friction factor (unit = none) The values of e and f are not interchangeable. Relationship between e and f can be obtained from Colebrook-White Equation Swamee-Jain Formula (for details see Page 31 to 35 of Water Distribution Modeling)
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Wiki Page: Are minor losses from pipe bends automatically considered?
Applies To Product(s): WaterGEMS, WaterCAD, HAMMER, SewerGEMS, CivilStorm, StormCAD, SewerCAD Version(s): 08.11.XX.XX+, 10.XX.XX.XX Area: Layout and Data Input Original Author: Mark Pachlhofer, Bentley Technical Support Group Problem Will the minor losses associated with pipe bends be automatically accounted for? Solution Water products (WaterCAD, WaterGEMS, HAMMER) No, you must enter the appropriate minor loss coefficient in the properties of the pipe. A library of typical values for various bend angles are included, which you can choose from. We have a minor loss engineering library that can be accessed through the "Minor Losses" property in the appropriate element, which can be accessed by clicking on the ellipsis button. Step 1: Step 2: Storm & Sewer products (SewerGEMS, SewerCAD, StormCAD, CivilStorm) Headloss/minor loss from bends are not automatically accounted for. These are usually small enough that the user will typically ignore them in a hydraulic model. If there is a structure located at the bend (manhole, catchbasin or transition), you can account for loss through the structure using one of the available Structure Loss Methods, found in the properties of the node. There is also an option to enter an entrance and exit loss coefficient on the conduit. Or, you could potentially account for additional loss by adjusting the friction factor of the pipe. If in doubt, consider a sensitivity analysis by increasing and decreasing the friction losses to see what effect it has on the results. If it does not significantly impact them, you won’t need to worry about it. If they do, you could make a conservative assumption. The decision is up to the modeler and engineer.
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Wiki Page: When using the "Orifice Between Pipes" elements, is it possible to enter the diameter instead of the "typical flow" and "typical pressure drop"?
Applies To Product(s): Bentley HAMMER Version(s): 08.11.xx.xx Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem When using the "Orifice Between Pipes" elements, is it possible to enter the diameter instead of the "typical flow" and "typical pressure drop"? How would I determine these values based on a known orifice diameter? Solution Currently, you cannot enter the diameter directly. Instead, you will need to back-calculate the "Flow (Typical)" and "Pressure drop (Typical)" using the orifice equation. HAMMER internally uses these two values to compute a discharge coefficient, which it uses to vary the head loss with flow. Basically, you would select a flow that you might typically see through the orifice (for example the flow through the pipe in a steady state run without the orifice added), assume an orifice coefficient, then rearrange the orifice equation to solve for the head. You would then enter that head as the "Pressure drop (Typical)" and the selected flow as the "Flow (Typical)". P = (Q/CA)^2 / 2g Q - Discharge (cfs, cms) C - Orifice coefficient (typically 0.6) A - The cross-sectional area of the opening (ft, m) g - gravitational acceleration P - Pressure head (ft, m) In version 08.11.02.31 and greater would be to use a formula-based user data extension to assist you with this. You can create two new fields - one where you can enter the diameter, and the other that computes the typical pressure drop for you, based on the entered typical flow value. The formula used in the user data extension would simply be a rearanged version of the orifice equation, solving for pressure. See Also
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Forum Post: WaterGEMS: Trace Alternative Setup
Hi, I'm looking to setup trace alternatives to run a Trace Analysis on various water sources to determine the percentage of water coming from various water sources in a distribution system. I understand I have to run multiple Scenarios, with each scenario having it's own Trace Element. I have a few questions: 1.) Trace Element: My understanding is that the 'Trace Element' or Source Node based upon which the trace analysis is run, although there are frequently more sources than one. Does this mean that when a simulation is run that all water comes from the source node, and if not, what is the significance of the Source Node? How are the initial Trace percentage and source node related? 2.) Trace Alternative Box: Under the various tabs in the trace alternative box (i.e. Hydrants, Reservoirs), I notice a the 'Trace (Initial)' variable. Based on what information should this be populated? Thanks, Mike
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Wiki Page: How to highlight mulitple items and add to a selection set
Applies To Product(s): Bentley WaterGEMS, Bentley WaterCAD, Bentley SewerGEMS, Bentley StormCAD, Bentley SewerCAD, Bentley CivilStorm, Bentley PondPack Version(s): 08.11.XX.XX Area: Modeling Original Author: Scott Kampa, Bentley Technical Support Group Problem How can you highlight mulitple items at a time to add them to a selection set? Problem ID#: 79813 Solution There are ways of highlighting multiple elements at a time. For instance, you can drag a box around a series of elements to highlight them on the drawing pane. When you right-click with multiple elements highlighted you can add the whole group to a selection set. There are also some general selection tools in the Edit pulldown. "Select by Polygon" allows you to draw a shape around the elements, which is helpful for elements that are close together. "Select by Attribute" allows you to create a query based on some attribute or result. For instance, if you want a select set for all junctions above a certain demand, you can create a query with this applied. Only those elements will be highlighted on the screen (a similar query can be done from the Flextables, where you can add items to a Selection Set as well). If any elements you want in the Selection Set still is not included with these methods, you can press the Control key on your keyboard and then left-click on the element on the screen. The other elements should remain highlighted too. Of course, you could also add elements to an existing selection set at a later time as well. See Also How to create a selection set
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Wiki Page: Add custom data to profile with User Data Extensions
Product(s): Bentley WaterGEMS Version(s): 08.11.03.19 +. 10.XX.XX.XX Area: Output and Reporting Problem Is it possible to add text files through the Chart Options for a profile (accessed through Series > Data Source)? When attempting this nothing appears to happen. Problem ID#: 86941 Solution The text file import is not an available feature, but there is a workaround that will work depending on the data. If you can enter the data from the text or Excel file as a User Data Extension, you can add the reported value to the profile. If you go to Tools > User Data Extensions, you can add data fields specific to a project. So if you have some sort of reported pressure value, for instance, and wanted that displayed on the profile, this should be possible. You would need to create the User Data Extension (UDX) for the element. There are a number of different options, including a "Real" number field. Once it is created and has the correct units and formatting, you can then add this field to the element flextable by clicking the Edit button and finding the name of the UDX in the available columns section. You can then copy and paste the values from your spreadsheet into the flextable (be very careful that the sorting of the flextable matches the spreadsheet). Once the values for the UDX are entered, open the profile and select the Profile Series Options button. Look for the field "User Defined" and expand this. The UDX field should be there. If you check the box beside it, the data will be viewable in the profile. There is another option to include Time Series Data into a model, but this is mainly used for graphs. You can find this by going to Components > Time Series Field Data.
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Wiki Page: What is the purpose of the pump station element in HAMMER?
Applies To Product(s): Bentley HAMMER Version(s): 08.11.02.XX +, 10.XX.XX.XX Area: Modeling Original Author: Jesse Dringoli, Bentley Technical Support Group Problem What is the purpose of the pump station element/polygon in HAMMER? Solution The pump station element was added as a feature in WaterGEMS, WaterCAD, and HAMMER in the V8i SELECTseries 2 version. In HAMMER, it is only used for visual purposes, so you can group together pumps that are in the same "station". In WaterCAD and WaterGEMS, the pump station feature allows you to do a Pump Combination analysis, where you can view combined pump curves for one or more pump within a given station. This pump combination analysis feature is not available in HAMMER, but the pump station element is included because HAMMMER, WaterCAD, and WaterGEMS use the same file format. Meaning, you can lay out and configure your pump station in WaterGEMS/CAD, open the model in HAMMER, do a transient analysis, and open it back up in WaterGEMS/CAD without losing your pump station information. See Also Pump Station and Combination Pump Curves
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Forum Post: water modeling/management software solutions in hospitals?
Dear Bentley Gurus, Would you please share few examples on water modeling/management software solutions in hospitals? Thanks in advance Henry
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Forum Post: RE: WaterGEMS: Trace Alternative Setup
Hello Michael, 1) The trace element is the element from which the trace percentages are tracked. If for example you choose Tank A as your trace element and you graph the calculated trace result at a node out in your network, it will be showing you the percentage of water at that element that originated from the source trace element. 2) The initial trace property basically allows you to "hot start" a model run. Basically if you happen to know the starting trace percentage at each element, you can enter that (or perhaps copy/paste it from the calculated trace at the end of one run). Otherwise if you use the default of zero, the model will need to be run for a while before an equilibrium is reached. Assuming you have WaterGEMS V8i SELECTseries 3 or greater, I would recommend using the Water Quality Batch run tool, as it simplifies the process of performing a trace analysis on multiple sources and helps visualize results in one place. Check out this teaser video for the benefits of the tool: Track multiple sources or constituents with Water Quality Batch Run Also, here is an article with more details: Analyzing concentration of multiple constituents, or a multi-point trace
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Forum Post: smart modeling by using scada module in water gems
1-is smart modeling performable in water gems by using scada module or not? 2-if smart modeling is performable for water gems, how many elements are acceptable for software? 3-is a case study for this usage of scada module existed in any city?
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Wiki Page: Detention Times for a pond in PondPack
Product(s): Bentley PondPack Version(s): 08.11.01.XX Area: Modeling Problem Where do I find the Detention Times for a pond in PondPack V8i? Problem ID#: 55852 Solution Note : If you're looking for the "minimum drain time" (MDT), this is found under Components > Calculators > Minimum Drain Time. First, select “compute all methods” for the “detention time” field in the properties of the pond: Next, compute the model. Open Report Builder either from the calculation summary or from Report > Report Builder. Scroll down to the “Pond Routing” section of Report Builder, select the “Detention Time” report and click the “generate preview” button The report that appears will show the detention times: If the “Detention times” entry does not appear in the list under report builder, you may have a report filter set. To check this, look at the selection in the dropdown next to “Active Filter”. Set this to “Default” to ensure the detention times report will show. To check which reports are enabled in a certain report filter, click the Report Filter button at the top: Click the name of the report filter you’re using, then click the yellow edit button at the top: Ensure that “Detention Time” is checked, under the “Pond Routing” category: The Detention Time report should now show in Report Builder with that filter selected: Original Author: Jesse Dringoli
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