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AquaTwin 5.0.71 – 12/4/25

1. Trace: Added an option to trace upstream or downstream based on flow direction instead of network geometry. (Water)

2. Isolation Simulation: Optimized isolation valve selection when one or more system valves are located above the target pipe. (Asset & Water)

3. Fire Flow Capacity Curve: Enhanced the tool to clear previous results when a different junction is selected, and to allow dynamic junction selection from the map. (Water)

4. System Head Curve: Enhanced the tool to clear previous results when a different pump is selected, and to allow dynamic pump selection from the map. (Water)

5. Graph: Updated the comparison graph to use distinct colors. (Water)

6. Fire Flow: Improved the color display in the fire flow risk rating graph. (Water)

7. Simulations: Users can now stop EPS, water quality, MSX, and surge simulations while they are running and retain all results up to the stop point. (Water & Surge)

AquaTwin 5.0.70 – 12/1/25

1. Valve Criticality: Added menu options to export isolated or low-pressure customer information to CSV files. (Asset & Water)

2. Valve Criticality: Added the ability for users to modify pounded IDs. (Asset & Water)

3. Simulation Options: Added support for specifying time options in seconds. (Water)

4. Fire Flow: Fixed an issue with hydrant lateral loss assignment when using SI units. (Water)

AquaTwin 5.0.69 – 11/26/25

1. Surge Operational Changes: Added check valve options to surge valve operational change settings. (Surge)

2. Scenarios: Added support for batch-importing scenarios using multiple EPANET or EPA SWMM INP files. (Water & Sewer)

3. Scenarios: Added support for importing scenario information from DBF files. (Water & Sewer)

4. Twin Builder: Automatically upgrades pre-2.2 INP files during INP import. (Water)

5. Twin Builder: Allows importing INP files that contain connectivity issues. (Water)

6. Water Quality: Added an option to track pipe flow direction changes within a specified time range. (Water)

7. Inspections: Fixed an issue with importing defect clock-hour values from GIS data sources. (Asset)

AquaTwin 5.0.68 – 11/20/25

1. UDF: Added where clause options to hydrant and valve layers to filter out inoperable hydrants and valves. (Water)

2. UDF: Added a pipe maximum velocity lookup table to apply flushing velocity constraints based on pipe material, age, and pressure zone. A target flushing flow is also calculated accordingly for field crews. (UDF)

3. Inflows: Enhanced the inflow table to allow sorting and copying of table headers. (Sewer)

AquaTwin 5.0.67 – 11/18/25

1. Surge Events: Enabled support for defining a PCV for valve operational changes. (Surge)

2. Break Analysis: Added an option to specify a delay time before triggering break analysis. (Surge)

3. Simulation: Fixed a potential crash when running simulations on complex models. (Water)

4. Risk: Allows users to toggle between weighted and unweighted LOF and COF display in the Risk Report dialog. (Asset)

5. Risk: Allows users to apply color coding to individual LOF or COF scores on the map. (Asset)

6. Map Display: Allows users to create map animations directly from the Map Display dialog. (Water & Sewer)

7. Map Display: Added a menu item (File → Export All Time Steps) to generate temporal GIS outputs. (Water & Sewer)

AquaTwin 5.0.66 – 11/14/25

1. Calibration: The surge graph now supports comparison with measured data, such as pressure logger readings specified in the SCADA Data Manager. (Surge)

2. RDII Calibration: Evaporation data is now excluded during RDII calibration runs. (Sewer)

3. Bulk Editing: Now only allows the “=” operation for Boolean fields. (Asset, Water & Sewer)

4. Map Display: Added a HasInflows field to node GIS outputs to indicate whether a node contains inflow data. (Note: Existing projects require resetting the output geodatabase to use this feature.) (Sewer)

5. Map Display: Enabled color coding on additional input fields, including conduit shape type, junction rim elevation, subcatchment raingage IDs, etc. (Sewer)

6. Graph: Graphs now restore the last parameters selected by the user. (Water, Sewer & Surge)

7. Scenarios: Fixed an issue where the inflow twin set control was not correctly populated in the Scenario Manager dialog. (Sewer)

AquaTwin 5.0.65 – 11/10/25

1. Saved Query: Added support for table joins to query associated objects such as upstream/downstream nodes, upstream/downstream links, and related subcatchments. (Water & Sewer)

2. Profile: Added the ability to display surface water flooding from 1D or 2D simulation results. (Sewer)

3. Profile: Added an option to label junction head values. (Sewer)

4. Inspections: Users can now import or create blank defect hour positions. (Asset)

5. Inspections: Enhanced EU Standards import to support additional comment tags. (Asset)

AquaTwin 5.0.64 – 11/6/25

1. Surge Protection Devices: Added new device types – Hydraulically-Actuated Surge Anticipation Valve (HSAV) and Electronically-Actuated Surge Anticipation Valve (ESAV). (Surge)

2. Surge Protection Devices: The initial air volume of air valves is now set to zero by default. (Surge)

3. Map Display: Added support for creating temporal GIS layers from MSX results. (Water)

4. MSX: Status reports now always include mass balance information. (Water)

AquaTwin 5.0.63 – 11/3/25

1. MSX: Added minimum, maximum, and average summary results. (Water)

2. MSX: Enabled color-coding of MSX summary results. (Water)

3. MSX: Added support for reporting and graphing multiple assets’ MSX time series results. (Water)

4. Calibration: Enabled comparison of MSX time series results with SCADA data. (Water)

5. Twin Attributes: Added support for producing distribution, frequency, and scatter graphs based on MSX results. (Water)

6. Twin Attributes: Fixed a display issue in single-species MSX models. (Water)

AquaTwin 5.0.62 – 10/30/25

1. New Feature: Added a new graph type to display pump operating points during an EPS run. (Sewer)

2. Project: Removed unnecessary “Could not find output file” error message when opening the Twin Editor dialog. (Sewer)

3. Editing: Enhanced the Digitize Network tool to automatically snap to start and end nodes. (Water & Sewer)

4. Pump Operations: Added a scatter plot option to display results from all simulation time steps. (Water & Sewer)

5. Field Calculator: Fixed an issue affecting numerical fields. (Asset, Water & Sewer)

AquaTwin 5.0.61 – 10/27/25

1. New Feature: Added an option to display pipe pressure class or other fields on the surge profile graph. (Surge)

2. Implicit FSGI: The implicit engine now sets flow to zero when the flap gate is closed. (Sewer)

3. Pump Operations: Fixed an issue where the pump operating point was not displayed correctly at the final time step. (Water)

AquaTwin 5.0.60 – 10/24/25

1. New Feature: Added a new graph type to display pump operating points during an EPS run, including the best efficiency point, preferred operating range, and allowable operating range. (Water)

2. Surge Protection Devices: Added an option to allow users to determine whether to calculate the initial level for Closed Tanks or Bladder Tanks. (Surge)

3. Surge Protection Devices: Added an option to specify a hybrid tank for Closed Tanks. (Surge)

4. Project: Removed an unnecessary “Could not find output file” error message during scenario switching. (Water & Sewer)

5. Project: Prevented creation of a “.Sewer” folder when users create a new ArcGIS Pro project. (Sewer)

AquaTwin 5.0.59 – 10/21/25

1. Graph: Added support for labeling the X-axis using various time formats in addition to elapsed time. (Sewer)

2. Simulation: Enhanced the warning message displayed when a simulation is stopped by users. (Sewer)

3. Saved Query: Enabled quick score range queries (e.g., > 2100) for manhole and pipe inspection data. (Asset)

4. Inspection: Fixed import issues related to EU standards. (Asset)

5. RDII Calibration: Fixed an overflow issue caused by very large initial k values. (Sewer)

6. Surge Protection Devices: Allowed users to specify vertical or horizontal shapes for closed tanks and bladder tanks. (Surge)

7. Surge Protection Devices: Allowed users to specify a volume curve for surge tanks. (Surge)

8. Summary: Fixed a unit conversion issue affecting maximum and design capacity values in SI units. (Sewer)

AquaTwin 5.0.58 – 10/17/25

1. Trace Network: Added new menu options in Asset Properties to trace downstream or upstream from the selected node or link. (Water & Sewer)

2. Import/Export: Enabled importing of the Tag field from EPA SWMM projects. (Sewer)

3. Simulation Options: Updated force main equation names to display full spellings — Hazen–Williams and Darcy–Weisbach. (Sewer)

4. HoloView: Added pipe or manhole ID to the HoloView title. (Asset)

5. RDII Calibration: Fixed an issue with sewershed area assignment when the Include Upstream Sewersheds option is checked. (Sewer)

AquaTwin 5.0.57 – 10/15/25

1. RDII Builder: Added an area scaling factor to allow users to convert sewershed areas to acres or hectares. (Sewer)

2. Digital Twin Options: The Remove Non-Existent Features option is now unchecked by default for new projects. (Water & Sewer)

3. Valve Criticality: Fixed a color-coding issue when isolated demand information is empty. (Asset)

4. HoloView: Fixed an issue with defect labeling when a defect code contains only one character. (Asset)

5. Surge Operational Changes: Fixed an issue with the CV resistance of surge pumps. (Surge)

AquaTwin 5.0.56 – 10/14/25

1. Surge Protection Devices: Added new device types — 3-Stage Air Valve and Rupture Disk. (Surge)

2. Connectivity Builder: Enabled users to clear the connectivity of selected links. (Water & Sewer)

3. Import Manager: Added an “Active” field in the Digital Twin tab to allow importing active status from GIS data. (Water & Sewer)

4. Import Manger: Fixed an issue with duplicate ID checking. (Water & Sewer)

5. Valve Criticality: Fixed an incorrect error message shown when digital twin data is empty. (Asset & Water)

6. RDII Calibration: Increased the precision of calibration results to support very small RTK values. (Sewer)

AquaTwin 5.0.55 – 10/10/25

1. Mapping: Renamed “Draw Closed Pipes” to “Draw Closed Links” to include closed pumps and valves on the map. (Water)

2. Editing: Added an option to disable “Auto Link Deletion” when deleting a node. (Water & Sewer)

3. Editing: Delete Node now clears the From or To field of the connected link(s). (Water & Sewer)

4. Editing: Add Node now allows users to snap the newly created node to the endpoint of a link. (Water & Sewer)

5. Tracing: Fixed a network tracing issue involving loops. (Water & Sewer)

6. Connectivity Builder: Improved performance for large networks and populated link connectivity using the closest nodes instead of nodes within a search distance. (Water & Sewer)

7. Valve Criticality: The GIS Connection option now uses the pipe diameter field specified in the Asset Registration dialog. (Asset)

AquaTwin 5.0.54 – 10/7/25

1. Valve Criticality: Added an option to perform valve criticality analysis based solely on GIS connectivity. (Asset)

2. Break History Data: Fixed a crash issue in the incident aggregation function when the asset ID field in the failure history layer is numeric. (Asset)

3. Profile: Find Path now allows users to define an alternative path using ArcGIS Pro selection instead of the shortest path between start and end nodes. (Sewer)

4. Outage: Fixed a summary report display issue when using dual monitors. (Sewer)

AquaTwin 5.0.53 – 10/2/25

1. Scenario: Added a Create Global Twin Sets dropdown menu in the Twin Sets dialog to create all Twin Sets with the same name from the current scenario. (Water & Sewer)

2. Editing: The Delete Selection tool now allows users to choose whether to delete assets in all scenarios. (Water & Sewer)

3. Editing: Enhanced editing tools for compatibility with ArcGIS Pro 3.5 sketching functions. (Water & Sewer)

4. Implicit FSGI: Fixed a minor issue in the flooding summary report. (Sewer)

5. Risk: Prevented users from selecting the Shape field in the Edit LOF/COF dialog. (Asset)

6. AI: Fixed a display issue in the Optimize Learning (AutoML) dialog for ArcGIS Pro 3.5. (Asset)

AquaTwin 5.0.52 – 9/26/25

1. Fire Flow: Improved the robustness of maximum fire flow calculations. (Water)

2. Mapping: Reset Map now hides the contour layer instead of removing it. (Water)

3. Mapping: Enhanced map display for storages, tanks, and reservoirs. (Water & Sewer)

4. System Summary: Fixed a potential crash in the System Summary dialog when output data was not yet available. (Sewer)

5. Editing: Fixed a pipe creation issue caused by ArcGIS Pro distance calculation function. (Water & Sewer)

AquaTwin 5.0.51 – 9/24/25

1. Surge Pump: Added options to modify check valve properties of surge pumps. (Surge)

2. Risk: Populated field aliases for the risk color-coding layer. (Asset)

3. Report: Reorganized node summary reports and added additional fields, including inflow volume, flood duration and volume, maximum storage volume, outflow, and more. (Sewer)

4. Licensing: Enhanced the license log to display both check-out and check-in information. (Asset, Water & Sewer)

5. Control: Added description fields for control links and nodes, and enabled zooming to them in the Simple Control tabular view. (Water)

6. Control: Added buttons to zoom to control links and nodes in the Simple Control editor. (Water)

7. Fire Flow: Added an option to specify an elevation data source for the external hydrant layer. (Water)

AquaTwin 5.0.50 – 9/19/25

1. ATLive: Added a title to ATLive graphs and enabled copying graphs to the clipboard. (Water)

2. Network Data Analysis: Model validation now applies only to active network elements. (Water & Sewer)

3. Network Data Analysis: Added connectivity rules to network validation. (Water & Sewer)

4. Hydrant Flow Calibration: Added sorting capability to the flow test table. (Water)

5. Load AquaTwin Geodatabase: Added exception handling for invalid GIS layers during geodatabase loading. (Water & Sewer)

6. Fire Flow: Fixed a pipe-splitting issue when using an external hydrant layer. (Water)

7. Scenario: Fixed an issue with the drop-down menus of twin set combo boxes. (Water & Sewer)

AquaTwin 5.0.49 – 9/18/25

1. New Feature: Added option to specify a pressure unit. (Water)

2. New Feature: Added option to define in-line meters on pipes. (Water)

3. Engine: Applied a gas expansion constant of 1.0 for bladder tank initial gas volume calculations. (Surge)

4. Engine: Set the initial status of one-way tank CVs to closed. (Surge)

5. Engine: Reported closed and bladder tank external head as air pressure head without the tank water level being added. (Surge)

6. Engine: Removed CV resistance for one-way tank flow when water flows from the tank into the system. (Surge)

7. In-Line Meter: Fixed a display issue with metered volume in pipes with negative flows. (Water)

8. Surge Protection Device: Fixed an editing issue with one-way tanks. (Surge)

9. Surge Protection Device: Fixed an INP file generation issue with surge tank CV open/close times. (Surge)

AquaTwin 5.0.48 – 9/12/25

1. Graph: Added option to zoom into a specified time range in all types of graphs. (Water, Sewer & Surge)

2. Graph: Added option to specify the graph legend label field as description. (Water, Sewer & Surge)

3. Inspection: Fixed an issue with service connection drawing for inspections with upstream survey direction. (Asset)

AquaTwin 5.0.47 – 9/10/25

1. Fire Flow: Fixed a pipe-splitting issue that occurred when a pipe was connected to multiple hydrants from an external layer. (Water)

AquaTwin 5.0.46 – 9/9/25

1. Fire Flow: Added the ability to calculate available flow and maximum fire flow using different minimum pressure values (e.g., 20 psi for available flow and 50 psi for maximum fire flow). (Water)

2. Fire Flow: Fire flow scenario names or zones can now be included in the output GIS layer. (Water)

3. Twin Attributes: Enabled launching of the Twin Attributes dialog during simulation runs. (Water & Sewer)

4. Engine: Enhanced the surge engine to better handle scenarios with closed pumps. (Surge)

5. Summary Report: Added average flow and d/D to the conduit summary report. (Sewer)

6. System Summary: Fixed an issue with the continuity error report in the System Summary dialog. (Sewer)

7. Graph: Fixed an overlapping issue in profile graphs when displaying dual drainage channels with discontinuous series. (Sewer)

8. Hydrant Flow Calibration: Improved the interface to better distinguish between flow hydrants and residual hydrants in the table. (Water)

AquaTwin 5.0.45 – 9/5/25

1. Surge Protection Device: Added support for specifying the gas expansion constant in a Bladder Tank or Closed Tank. (Surge)

2. GA Calibration: Added option to define GA accuracy requirements (deviation) during calibration runs. (Water)

3. Hydrant Flow Calibration: Show on Map and Zoom buttons now highlight the flow test hydrant and pressure measurement locations on the map. (Water)

4. Profile: Added option to display dual drainage channels in the profile graph. (Sewer)

5. Valve Criticality: Added option to select a specific EPS time for analysis. (Asset & Water)

6. Graph: Fixed an issue that caused duplicate records in the all-parameter report within the surge graph dialog. (Surge)

7. Twin Attributes: Fixed an issue where RDII records could not be deleted. (Sewer)

AquaTwin 5.0.44 – 8/29/25

1. Hydrant Flow Calibration: Added support to specify boundary conditions (e.g., demand, tank levels, link status) for each flow test in steady state mode. (Water)

2. Peaking Factor Calculator: Fixed an issue with peaking factor calculations when using the population-based equation option. (Sewer)

AquaTwin 5.0.43 – 8/28/25

1. Steady State: Updated peak flow calculations to maintain consistent pump flows. (Sewer)

2. Selection: Added a drop-down menu to select connected subcatchments. (Sewer)

3. Fire Flow: Fixed an issue with the progress bar when running fire flow analysis from a hydrant layer. (Water)

AquaTwin 5.0.42 – 8/26/25

1. Implicit FSGI: A new version of the implicit solver with Slope and Froude limited flow update. (Sewer)

2. Hydrant Flow Calibration: Fixed a memory leak issue in the GA run. (Water)

3. Hydrant Flow Calibration: Added the ability to specify a time for each hydrant test in steady-state mode. (Water)

4. Calculate Inverts: Corrected a decimal placement error in calculated invert elevations and link offset values. (Sewer)

AquaTwin 5.0.41 – 8/22/25

1. 2D: Allows users to specify a rating curve in junctions for the 1D–2D exchange. (Sewer)

2. Map Display: Added pressure delta to the junction output summary and enabled map display creation based on this field (requires output geodatabase reset for existing projects). (Water)

AquaTwin 5.0.40 – 8/21/25

1. Fire Flow: Enhanced available flow calculations to improve the reliability of batch analysis. (Water)

2. Meter Pressure Map: Added options to display meter maps using minimum, maximum, and average pressure. (Water)

3. Meter Pressure Map: Allows users to populate meter IDs in the meter pressure GIS layer. (Water)

4. Transect: Allows users to directly view and edit transects from the Asset Properties window. (Sewer)

5. Profile: The profile graph now automatically calculates the maximum depth of irregular pipes. (Sewer)

6. 2D Profile: Added an option to display buildings in the 2D profile graph. (Sewer)

7. Selection Tab: Users can now specify and display comments for saved selections, queries, graphs, and more. (Asset, Water & Sewer)

8. Storage: Fixed a saving issue in the Storage Shape dialog. (Sewer)

AquaTwin 5.0.39 – 8/19/25

1. Steady State: Added a new peak q/Q result. (Sewer)

2. Profile: Allows users to label steady-state results such as peak flow, peak depth, peak d/D, and peak q/Q on the profile graph. (sewer)

3. RDII Builder: Allows users to import RDII data for selected junctions only. (Sewer)

4. System Head Curve: Now allows users to generate a system head curve for a multi-point pump with evenly spaced flow values. (Water)

5. Hydrant Flow Calibration: Fixed an issue with pressure results when testing junction IDs were duplicated. (Water)

AquaTwin 5.0.38 – 8/15/25

1. 2D: Added a new feature allowing users to display 2D profiles. (Sewer)

2. Simulation: Enhanced the tank status update algorithm. (Water)

3. Mapping: Added a new tool to draw surge protection devices on the map. (Surge)

AquaTwin 5.0.37 – 8/12/25

1. Calibration: Added a new feature allowing users to calibrate pipe roughness based on hydrant test data. (Water)

2. Calibration: Added steady-state mode, assuming hydrant flow and pressure occur within the same time step. (Water)

3. 2D: Added a 2D group in the AquaTwin ribbon, enabling users to directly create or edit a 2D model, select 2D meshes on the map, and display graphs for selected meshes. (Sewer)

4. 2D: Added a 1D–2D Exchange section to junctions, allowing users to specify orifice settings for a 2D-connected node. (Sewer)

5. Profile: Fixed d/D and depth labeling issues in worst-case scenario mode. (Sewer)

6. Simulation: Fixed an issue with status updates for tanks connected to multiple pipes. (Water)

7. Steady State: Fixed a unit conversion issue in the peak flow run when using SI units. (Sewer)

AquaTwin 5.0.36 – 8/8/25

1. Valve Criticality: Allows users to specify a saved selection of transmission pipes that require two consecutive valves for isolation. (Asset & Water)

2. Valve Criticality: Enables users to create ponded areas only for pipes within a saved selection. (Asset & Water)

3. Import Center: Users can now import the Type and Tag fields of patterns and curves. (Water)

4. Output Report: Fixed an issue where the maximum depth for outfalls was incorrectly displaying the average depth value. (Sewer)

5. Steady State: Fixed a unit conversion issue in the peak flow run. (Sewer)

AquaTwin 5.0.35 – 8/4/25

1. Pipe Criticality: Users can now select a specific EPS time for analysis. (Water)

2. Calibration: Users can now save and open pipe groups and other asset grouping information through a file. (Water)

3. System Summary: Added reports and graphs for system-wide parameters such as rainfall, runoff, and more. (Sewer)

4. Run Options: Added settings to allow users to disable DWF and direct inflows during simulations. (Sewer)

AquaTwin 5.0.34 – 7/25/25

1. MSX: Added a dropdown menu on the MSX folder that allows users to clear MSX results for the current scenario. (Water)

2. ATLive: Prevented Live Simulation from using the hydraulic file usage settings in Hydraulic Options. (Water)

3. MSX: Fixed an output file reading issue when displaying time series graphs. (Water)

4. RDII Calibration: Fixed a time interpolation issue when time series data is in the “m/d/yy” format. (Sewer)

5. Control: Fixed a memory issue related to rule-based controls. (Water)

AquaTwin 5.0.33 – 7/22/25

1. ATLive: Allows Live Simulation to cache previous simulation results for large networks and run the live model up to the current SCADA time step. (Water)

2. ATLive: Added a button to zoom to the current SCADA time in the graph. (Water)

3. SCADA Data Manager: Now automatically handles date and time data across different regional and cultural settings. (Water)

4. SCADA Simulator: Now automatically saves the latest SCADA data source. (Water)

5. SCADA Simulator: Can now generate SCADA data based on the computer’s system time. (Water)

6. Curve: Disabled auto-sorting of the X column during editing. (Water)

AquaTwin 5.0.32 – 7/16/25

1. Valve Criticality: Now forces isolation of a junction with demand when it overlaps with an isolation valve. (Water)

2. Map Display: Allows users to dynamically apply a saved selection when creating map display. (Water & Sewer)

3. Steady State Analysis: Steady state simulation now also reports a pump’s peak flow result. (Sewer)

4. Inspection: Fixed a GIS data overflow issue in Draw Defects when the video path exceeds 255 characters. (Asset)

AquaTwin 5.0.31 – 7/15/25

1. Energy: Added pump energy cost graph and report. (Water)

2. Energy: Allows users to specify a peak demand charge pattern. (Water)

3. Inspection: Fixed a pagination issue with ITPipes import when observation data spans multiple pages. (Asset)

4. Inspection: Now able to import upstream and downstream manholes from ITPipes. (Asset)

5. Inflow: Fixed an input file generation issue when a storage node’s direct inflow has an empty timeseries ID. (Sewer)

AquaTwin 5.0.30 – 7/10/25

1. ATLive: Allows users to fetch real-time SCADA data and run ATLive continuously. (Water)

2. ATLive: Included a SCADA Simulator tool in the bin folder to allow users to generate test SCADA data. (Water)

3. Inspection: Allows users to import CCTV inspection data from ITPipes. (Asset)

4. Inspection: Allows users to import manhole inspection data from ITPipes. (Asset)

5. Isolation Simulation: Can now be applied to an ATLive model to assess isolation impact based on real-time SCADA data. (Water)

6. Graph: Fixed an issue with saving “show ATLive result” flag. (Water)

7. MSX: Fixed an output index issue in the MSX graph. (Water)

AquaTwin 5.0.29 – 7/3/25

1. SCADA Data Manager: Allows users to dynamically filter and sample SCADA data using a SQL query. (Water & Sewer)

2. ATLive: Allows users to view forecast results on graphs. (Water)

3. ATLive: Allows users to change graph colors and styles. (Water)

4. Run Options: Allows users to exclude demands from isolated junctions. (Water)

5. Mapping: Added a new tool to draw sensor symbols on the map. (Water & Sewer)

6. Isolation Simulation: Allows users to select isolation time and duration. (Water)

7. Isolation Simulation: Added isolated demand results to the summary report. (Water)

8. Calculate Inverts: Fixed an invert calculation issue when the downstream invert elevation is higher than the upstream invert elevation. (Sewer)

AquaTwin 5.0.28 – 6/27/25

1. New Future: ATLive for real-time modeling. (Water)

2. Graph: Added ATLive comparison graph to compare current scenario results with ATLive results for any network elements. (Water)

3. SCADA Data Manager: Added new parameter types – link status, pump speed, and valve settings – for real-time modeling. (Water)

4. SCADA Data Manager: Added new SCADA connection types to allow users to connect to any SCADA database server. (Water & Sewer)

5. SCADA Data Manager: Added the ability to save and open SCADA connection files, enabling users to manage different SCADA connection scenarios. (Water & Sewer)

6. Pattern: Allows users to bulk edit pattern data by right-clicking on the Pattern folder in the Digital Twin tree. (Sewer)

7. Map Display: Fixed a GIS layer population issue related to max flow time and max depth time fields. (Sewer)

8. Twin Attributes: Fixed a sorting issue in the water quality column. (Water)

AquaTwin 5.0.27 – 6/20/25

1. GIS-Network Cleanup: added a new tool to reverse the directions of selected pipes. (Water & Sewer)

2. Import Manager: fixed an asset data update issue when using the spatial join option. (Water & Sewer)

AquaTwin 5.0.26 – 6/19/25

1. New feature: selecting rows in the Twin Attributes and CCTV Inspection tables will automatically select the associated assets on the map. (Asset, Water & Sewer)

2. Saved Query: added a parent field to allow users to move a query to a different branch. (Asset, Water & Sewer)

3. HoloView: displays “No Video Found” or “No Image Found” when the CCTV media source cannot be found. (Asset)

4. Inspection: now supports direct import of both Belgium “direct” and “indirect” optical inspection formats. (Asset)

5. Inspection: added a Pipe ID Option field to allow users to choose associated pipe IDs from the pipe segment reference field or from upstream and downstream IDs. (Asset)

6. SCADA data management: renamed “Calibration Data Manager” to “SCADA Data Manager” to unify the SCADA data interface for both calibration and real-time modeling. (Water)

7. Twin Attributes: fixed the highlighting color issue for selected output columns. (Water & Sewer)

8. Fire Flow: fixed a sorting issue in the Residual Pressure column of the Twin Attributes dialog. (Water)

AquaTwin 5.0.25 – 6/16/25

1. Inspection: drawing defects/rehabs now supports pipes associated with curves. (Asset)

2. Inspection: fixed a defect drawing issue when the surveyed length field is empty. (Asset)

3. Asset Properties: allows users to select a curve ID for a tabular divider. (Sewer)

4. Surge: fixed a negative flow issue in CV pipes. (Surge)

5. Implicit FSGI: fixed a continuity issue under downstream dry conditions for conduits with steep inverse slopes. (Sewer)

6. Contour Map: allows users to use a Spatial Analyst license when a 3D Analyst license is not available. (Water)

AquaTwin 5.0.24 – 6/9/25

1. New Feature: added a tool that allows users to create a map display of meter pressures. (Water)

2. Asset Attributes: allows users to delete selected rows directly from the Asset Attributes dialog. (Water & Sewer)

3. Implicit FSGI: fixed an issue related to link offsets. (Sewer)

4. Risk: LOF/COF now takes the highest score from multiple inspection records for the same pipe. (Asset)

5. Profile: Worst Case profile now displays values from the summary report instead of the maximum values from report time steps. (Sewer)

AquaTwin 5.0.23 – 6/5/25

1. HoloView: the video player now supports video streaming formats such as M3U8, MPD, and others. (Asset)

2. Inspection: enhanced CCTV inspection import for EU standard formats. (Asset)

3. Unit Hydrograph: users can now globally edit unit hydrograph data by right-clicking the Unit Hydrographs icon in the Digital Twin tree. (Sewer)

4. Output: added summary results for conduit Surcharge d/D. (Sewer)

5. Licensing: users can now deactivate a fixed seat license from the About AquaTwin dialog. (Asset, Water & Sewer)

6. Data Exchange: Import Digital Twin Network File function now is available for AquaTwin Sewer. (Sewer)

7. Profile: the tracing function now only applies to active assets. (Sewer)

8. Inspection: fixed a decimal issue caused by different Windows regional settings when importing CCTV inspection XML files in EU standard formats. (Asset)

9. Engine: fixed a tank status issue. (Water)

AquaTwin 5.0.22 – 5/30/25

1. New Feature: added a skeletonization tool to reduce branches. (Sewer)

2. New Feature: added a skeletonization tool to merge similar connected conduits. (Sewer)

3. Routing Models: allows users to modify the slot ratio for the Dynamic Wave and FSGI methods.

4. Mapping: added a shortcut for Redraw Map in the AquaTwin ribbon to redraw network from the database. (Water & Sewer)

5. Profile: output time step is now preserved when editing the profile. (Sewer)

AquaTwin 5.0.21 – 5/23/25

1. Fire Flow: added a “Static Pressure” field to the Fire Flow report. (Water)

2. Fire Flow: added tooltip help texts to the Fire Flow report headers. (Water)

3. Fire Flow: added dropdown menus to zoom in on or highlight critical junctions and pipes on the map. (Water)

4. Inspection: the Inspection QC tool now allows users to perform QC on any selected inspection scenarios. (Asset)

5. Inspection: fixed a sizing issue in the Inspection Data Quality Control dialog. (Asset)

AquaTwin 5.0.20 – 5/21/25

1. Profile: added new buttons to remove upstream/downstream links and reverse link order in the profile graph. (Sewer)

2. Profile: double-clicking the profile graph now allows users to dynamically edit junction and conduit attributes. (Sewer)

3. Profile: added an option to draw water depth in the profile to match the hydraulic grade line (HGL). (Sewer)

4. Cross Section: added new conduit shapes: Cunette, Oval and Sprung Arch. (Sewer)

5. Mapping: added a new tool to draw symbols for closed pipes on the map. (Water)

6. 2D: clearing boundary line layers will now also remove the associated boundary input file. (Sewer 2D)

AquaTwin 5.0.19 – 5/16/25

1. New feature: added water level and tidal boundary type to model 2D mesh areas connected to open water (e.g. Sea, Estuary, Lake). (Sewer 2D)

2. ArcGIS Pro Compatibility: now supports ArcGIS Pro 3.5. (Asset, Water & Sewer)

3. Risk: LOF/COF can now automatically calculate an asset’s age. (Asset)

4. Valve Replacement Prioritization: allows users to close control valves defined in the closed valve query. (Water)

5. Inspection: point defect clock positions are now displayed in 3D HoloView. (Asset)

AquaTwin 5.0.18 – 5/14/25

1. New feature: added a ‘Query Set’ category to the selection tab, allowing users to query different asset types simultaneously. (Asset, Water & Sewer)

2. Scenario: a scenario can now be applied to a query set instead of a saved query, enabling users to activate or deactivate pumps or other assets using a query set. (Water & Sewer)

3. New Feature: added Inflow Twin Set, allowing users to overwrite a scenario with defined inflow data. (Sewer)

4. Mapping: added a new tool to draw flap gate symbols on the map. (Sewer)

5. AquaTwin API: included a code snippet demonstrating how to read valve criticality results in the API example. (Water)

6. Twin Building: the pipe split tool now clones the original pipe’s attributes to the split pipe. (Water & Sewer)

7. Demand/Inflow Builder: now supports the float data type. (Water & Sewer)

AquaTwin 5.0.17 – 5/6/25

1. Calibration: GA calibration now reports real time generation no. and deviation values on Run Status dialog. (Water)

2. Query: allow users to query on Pipe’s check valve field. (Water)

3. Mapping: add a new tool to draw check valve symbols on the map. (Water)

4. Map Display: added an option in Digital Twin Options dialog to allow users to automatically refresh color map after simulation run. (Water & Sewer)

5. Valve Replacement Prioritization: fixed an issue with counting affected customers when a meter is connected to a junction. (Water)

6. Calibration: fixed an issue with pipe group indexing. (Water)

7. FSGI: fixed a crash issue with FSGI engine when an interface file is invalid. (Sewer)

AquaTwin 5.0.16 – 5/2/25

1. New feature: SPTC dialog now allows users to perform calibration automatically using genetic algorithm. (Water)

2. 2D: allow users to specify a 2D area layer and select a polygon to perform meshing. (Sewer 2D)

3. 2D: allow users to redraw 2D area on the map. (Sewer 2D)

4. Asset Properties: added Edit Field button to allow users to directly edit and view an active field value such as pattern, curve, time series, raingage, etc. (Water & Sewer)

5. Runoff Models: added initial abstraction coefficient to SCS runoff models. (Sewer)

6. Radar Rainfall Data: spatial radar rainfall data import now will automatically convert time data to 24 hour format and populate time interval values to the rain gages. (Sewer)

7. Inspection: enhanced Belgium CCTV standard import. (Asset)

8. Inspection: added “standard” and “unit pipe length” fields to CCTV inspection table. (Asset)

9. Inspection: “BAG” now is point defect code instead of defective connection for EU standards. (Asset)

10. Inspection: sorting function is now unlocked for defect table. (Asset)

11. Inspection: saving a CCTV inspection now will also save the layout of inspection table. (Asset)

AquaTwin 5.0.15 – 4/23/25

1. New feature: Risk-Based Sensitivity Analysis. (Asset)

2. Risk: allow users to batch run all risk scenarios by right-clicking on Risk folder. (Asset)

3. Risk: allow users to scroll the risk table horizontally. (Asset)

4. 2D: allow users to create time series graphs and reports of the selected mesh cells. (Sewer 2D)

5. 2D: enhanced mesh quality and speed when the land use polygons share some boundary segments. (Sewer 2D)

6. Inspection: HoloView might display some incorrect defects when it was launched from the ribbon area. Now it has been fixed. (Asset)

7. Network Data Analysis: clicking Analyze button now will automatically flush the checkbox changes made by the users. (Water & Sewer)

8. Fixed “Unable to read beyond the end of the stream” error when a simulation was stopped in the middle. (Water)

AquaTwin 5.0.14 – 4/17/25

1. ArcGIS Pro Compatibility: adjust AquaTwin ribbon to support the latest ArcGIS Pro version (3.4.1). (Asset, Water & Sewer)

2. Asset Properties: add a combo box in AquaTwin tab to allow users to select an asset by entering an ID and keep asset browsing history. (Water & Sewer)

3. Fire Flow: fixed a saving issue with the last edited cell in Fire Flow dialog. (Water)

AquaTwin 5.0.13 – 4/15/25

1. Radar Rainfall Data: allow users to extract rainfall time series data from a radar grid layer. (Sewer)

2. Calibration: allow users to group pipes by selected Saved Selections automatically. (Water)

3. Twin Attributes: fixed a background color issue of geometry and water quality columns. (Water & Sewer)

AquaTwin 5.0.12 – 4/11/25

1. Valve Criticality: allow users to exclude existing low pressure pipes for affected customer assessment. (Water)

2. Valve Criticality: fixed elevation calculations when splitting pipes. (Water)

3. Radar Rainfall Data: allow users to import spatial radar rainfall data in csv format. (Sewer)

4. Multi-User Environments: added sync button to allow users to synchronize local project data with a centralized data location. (Asset, Water & Sewer)

5. Fixed an issue with min freeboard calculation. (Sewer)

AquaTwin 5.0.11 – 4/11/25

1. Calibration: change SPTC tunning values from percentages to actual values. (Water)

2. Calibration: SPTC now allows 0 initial TCV setting. (Water)

3. Calibration: allow users to highlight the pipes inside a pipe group by double clicking on it. (Water)

4. Pattern: allow users to specify continuous or stepwise demand pattern types. (Water)

5. Fixed an inp file generation issue on surcharge method of Dynamic Wave. (Sewer)

6. Fire Flow: fixed an inp file generation issue when there are multiple hydrants connected to a same pipes. (Water)

AquaTwin 5.0.10 – 4/8/25

1. New feature: Sensitivity Based Parameter Tuning Calibration (SPTC). (Water)

2. Fixed an issue with unsubmerged culvert flow calculation. (Sewer)

3. Orifices now contribute to nodal surface area for added stability. (Sewer)

4. Fixed a potential crash issue of sewer simulation. (Sewer)

5. Fixed an inp import issue of initial pump speed. (Water)

6. Allow users to do bulk editing on Boolean fields. (Water & Sewer)

AquaTwin 5.0.9 – 4/2/25

1. Selection: add new select menu items to allow users to add connected nodes and links. (Asset, Water & Sewer)

2. Selection: add a new select menu item to allow users to reverse selection. (Asset, Water &  Sewer)

3. Asset Properties: add Search ID function to allow users to search IDs or ID’s text patterns. (Water & Sewer)

AquaTwin 5.0.8 – 4/1/25

1. Inspection: enhanced CCTV data import on Belgium standard. (Asset)

2. Inspection: fixed an PACP import issue on “Street” field. (Asset)

3. Editing: prevent Create Asset dialog from sinking behind of ArcGIS Pro main dialog. (Water & Sewer)

4. Asset Properties: fixed a potential crash issue on zoom function. (Water & Sewer)

5. Asset Properties: changed Inlet Offset to Offset of Inlet and Outlet Offset to Offset of Outlet. (Sewer)

6. Fixed an inp file import issue on V-Notch weir type. (Sewer)

AquaTwin 5.0.7 – 4/1/25

1. R&R Diagram: allow users to query one or multiple text patterns using “Contains” operator. (Asset)

2. HoloView: show description of defects in Defects tab. (Asset)

3. Allow users to stop simulation run in the middle. (Sewer)

AquaTwin 5.0.6 – 3/27/25

1. New feature: Sensitivity Based Parameter Tuning Calibration (SPTC). (Sewer)

2. Inspection: allow users to query survey date field in Saved Query and R&R Diagram. (Asset)

3. R&R Diagram: allow users to input comments on any branches and label them on the connectors. (Asset)

4. Peaking Factors: allow steady state analysis to peak DWF only. (Sewer)

5. Inspection: fixed a condition table loading issue. (Asset)

6. Inspection: fixed a csv export issue. (Asset)

7. Inspection: enhanced CCTV inspection import for EU standards. (Asset)

8. Fixed a progress bar issue on Sewer simulations. (Sewer)

AquaTwin 5.0.5 – 3/18/25

1. New feature: Dual Drainage Generator. (Sewer)

2. Runoff Model: fixed a memory issue of SCS runoff models. (Sewer)

3. Inlets: allow users to select a receiving node on the map from Inlet Usage dialog. (Sewer)

4. Valve Criticality: fixed a calculation issue of the low pressure customers. (Water)

AquaTwin 5.0.4 – 3/14/25

1. Valve Criticality Analysis: add an option to allow users to access affected customers associated to the disconnected pipes outside the pounded area. (Water)

2. CCTV Inspection: fixed an import issue of Owner and VCR_Time fields for EU standards. (Asset)

3. HoloView: fixed a video position issue when users select a defect in defect tab. (Asset)

4. AI/ML: fixed an crash issue on empty asset IDs. (Asset)

5. Graph: fixed a distance calculation issue of profile graph. (Water & Surge)

AquaTwin 5.0.3 – 3/11/25

1. Pressure Zone Analysis: added Check Valve as a pressure zone boundary option. (Water)

2. R&R Diagram: add number of specific rehab type and % of specific rehab cost to special query options. (Asset)

3. R&R Diagram: display R&R scenario name and comments. (Asset)

4. Inspection: Field Display Options dialog box now is resizable. (Asset)

AquaTwin 5.0.2 – 3/10/25

1. Temperature Modeling: allow users to create what-if scenarios of temperature models. (Sewer)

2. Temperature Modeling: allow users to perform bulk editing and field calculation on selected rows. (Sewer)

3. Import Center: fixed an issue of Update Geometry flag. (Water & Sewer)

AquaTwin 5.0.1 – 3/7/25

1. Optimize output retrieval speed for large networks. (Sewer)

2. Peaking Factor Calculator: fixed a population aggregation issue on junctions with empty population values. (Sewer)

3. Run Status message box might sink to the bottom. Now it has been fixed. (Water & Sewer)

AquaTwin 5.0.0 – 3/5/25

1. Rule-Based Control: allow users to define Proportional-Integral-Derivative (PID) controls. (Water)

2. Rule-Based Control: support variables and expressions to simplify control statements. (Water)

3. Rule-Based Control: added zoom button to associated asset when applied. (Water & Sewer)

AquaTwin 4.5.31

1. Steady State: added an option to allow users to run steady state based on DWF peaking factors. (Sewer)

AquaTwin 4.5.30

1. Peaking Factor Calculator: added an option to allow users to aggregate upstream population. (Sewer)

2. Peaking Factor Calculator: allow users to calculate peaking factors based on Harmon equation. (Sewer)

3. Inspection: allow users to split a CCTV inspection at any location. (Asset)

4. Calibration: added tank level to calibration manager. (Water)

AquaTwin 4.5.29

1. Inspection: Draw Draft Rehab now will draw combined draft rehabs. (Asset)

2. R&R Diagram: rehab length and rehab count now will take in account of combined rehabs. (Asset)

3. Transect Creator: fixed a numerical issue caused by overlapping conduit vertices. (Sewer)

AquaTwin 4.5.28

1. Fire Flow: allow users to perform fire flow analysis directly on hydrants from an external layer. (Water)

2. Fire Flow: added select button to select junctions/hydrants from the map. (Water)

3. Project: added reload project menu to allow users to reload project data from a centralized location. (Water & Sewer)

4. GIS/Network Cleanup: fixed an issue of Fix Pump Directions tool. (Sewer)

5. Asset Registration: prevented users from selecting a non-text field as asset ID field. (Asset)

6. Import Manager: fixed an issue of converting pumps/valves to links. (Water & Sewer)

AquaTwin 4.5.27

1. Scenario: allow users to update changes to all child scenarios automatically. (Water & Sewer)

2. Scenario: allow users to rename a scenario. (Water & Sewer)

3. Scenario: allow users to add or edit notes of a scenario. (Water & Sewer)

4. Map: redraw map from database now will preserve the current zoom extent. (Water & Sewer)

5. Inspection: default PACP defect code table has been updated to the latest version. (Asset)

6. Inspection: fixed a scoring issue of defect codes with percentage or clock conditions. (Asset)

AquaTwin 4.5.26

1. Added Select Downstream Junction menu to allow users to select potential outfall nodes. (Sewer)

2. Added Convert Asset Type tool to allow users to convert selected assets to a different type. (Sewer)

3. Implicit FSGI: fixed a unit conversion issue of “Min Nodal Surface Area” for a new implicit FSGI run. (Sewer)

4. Fixed an issue of ideal pump flow. (Sewer)

5. Fixed a loading issue of temperature model file. (Sewer)

AquaTwin 4.5.25

1. Allow users to run new implicit FSGI engine. (Sewer)

2. Allow users to store change history of the model. (Water & Sewer)

3. Fixed an issue of Save as Default function. (Water & Sewer)

4. Change ID: changing raingage IDs now will automatically update subcatchments’ raingage field. (Sewer)

AquaTwin 4.5.24

1. Inspection: allow users to choose a custom rehab method in defect code table. (Asset)

2. Inspection: fixed a crash issue on rehab cost calculation. (Asset)

AquaTwin 4.5.23

1. Twin Attributes: use light grey as the background color for output columns. (Water & Sewer)

2. Inflow table: enhanced bulk editing and field calculator functions to allow users to work on text fields. (Sewer)

3. Inflow Builder: allow to allocate multiple DWF records with different patterns to a same junction. (Sewer)

4. Scenario: fixed an issue of preserving GIS data during scenario switching. (Water & Sewer)

5. Fixed INP import issues in subcatchment and interface file sections. (Sewer)

AquaTwin 4.5.22

1. Map Display: added Save Symbology button inside ArcGIS Pro’s TOC popup menu to allow users to save color code and labeling settings as reusable symbology library. (Water & Sewer)

2. Map Display: allow users to define and save map displays in selection tab. (Water & Sewer)

3. Valve Criticality: added total low pressure customers column to the pipe report. (Water)

4. Risk: fixed a distance calculation issue related to multi-part polygons. (Asset)

5. Inflow Builder: allow users to specify DWF Pattern 2-4 according to different landuse types. They will be ignored for Direct inflow. (Sewer)

6. Inflow Builder: fixed a decimal issue when flow precision is greater than 2. (Sewer)

AquaTwin 4.5.21

1. Valve Criticality: optimize categorized affected customer calculation. (Water)

2. Valve Criticality: added pipe and valve criticality report menus to AquaTwin ribbon. (Water)

AquaTwin 4.5.20

1. UDF: allow users to operate flushing hydrant based on a target flow. (Water)

2. UDF: added Flush Zone Option button in UDF Sequence dialog. (Water)

3. Manhole Inspection: fixed a MACP import issue on some manhole component fields. (Asset)

4. Manhole Inspection: inspection scores now will directly derive from MACP condition grade field. (Asset)

AquaTwin 4.5.19

1. UDF: fixed a flushing time issue when the flushing hydrant is directly connected to an upstream junction. (Water)

2. CCTV Inspection: fixed a manhole ID import issues related to EU standards. (Asset)

3. CCTV Inspection: now “Owner” information is from downstream manhole ID in BEFDSS standard. (Asset)

4. Inspection: now “Time” field will not display date portion of the data. (Asset)

5. Manhole Inspection: import all MACP inspection information of manhole components and allow users to use them in R&R Diagram. (Asset)

AquaTwin 4.5.18

1. New feature: Create Service Areas, a tool to allow users to create Thiessen polygons of selected junctions. (Water & Sewer)

2. Demand/Inflow Builder: allow users to allocate demand/inflow to selected junctions or pipes. (Water & Sewer)

3. Valve Criticality: now support service connections with multiple customers (or meters). (Water)

4. Manhole Inspection: fixed a crash issue of rehab cost calculation when manhole material values are empty. (Asset)

AquaTwin 4.5.17

1. Calibration Manager: allow users to import or specify sensor display names. (Water & Sewer)

2. Valve Criticality: allow users to created pounded areas from closable pipes in a saved selection. (Water)

3. Allow users to organize patterns, curves and time series by specifying tag values. (Water & Sewer)

4. Allow users to refresh changes in selection tab made by the other concurrent users. (Asset, Water & Sewer)

5. Fixed a graph displaying issue of outlets. (Sewer)

6. Fixed a tank status issue. (Water)

AquaTwin 4.5.16

1. Fire Flow: allow users to batch run all or selected fire flow zones. (Water)

2. Fire Flow: hide Max Fire Flow column in extended fire flow report. (Water)

3. Control: fixed a pump simple control issue. (Water)

4. Valve Criticality: fixed an isolation issue when system valves overlay on top of junctions. (Water)

5. R&R Diagram: Special Query now supports multiple types separated by “,”. If Type field is empty, it will apply to all types. (Asset)

AquaTwin 4.5.15

1. Expanded multi-user environments support for AquaTwin Water and Sewer to allow users to store modeling data in a centralized location. (Water & Sewer)

2. Valve Criticality: list IDs of affected customers and allow users to zoom and highlight them on the map. (Water)

3. Asset Properties: display units of conduit’s max. depth field. (Sewer)

AquaTwin 4.5.14

1. Peaking Factor Calculator: allow users to calculate flow based peaking factors. (Sewer)

2. Fixed a decimal issue of peaking flow results. (Sewer)

3. Inspection: added Field Display Options for manhole inspections. (Asset)

4. Inspection: MACP import now will import connection table. (Asset)

5. R&R Diagram: added two more special queries to query number of defects or rehab based within a specified manhole component. (Asset)

6. R&R Diagram: allow users to query connection table of manhole inspections. (Asset)

AquaTwin 4.5.13

1. Control: added editing dialog and validation function for rule-based control statements. (Sewer)

2. Import Center: made storage shape fields available for field mappings. (Sewer)

3. Import Center: added field alias to the digital twin fields. (Water & Sewer)

AquaTwin 4.5.12

1. Asset Properties: allow users to mange asset GIS data display. (Asset, Water & Sewer)

2. Asset Properties: allow users to edit and save changes of asset GIS data directly in Asset Properties dockable window. (Asset, Water & Sewer)

3. Asset Properties: restore selected asset saved by the previous session. (Asset, Water & Sewer)

4. Risk: LOF/COF scores for a NULL value might not be correctly weighted. Now it has been fixed. (Asset)

5. Twin Attributes: added category count number to the pivot tables. (Sewer)

AquaTwin 4.5.11

1. Support definition query. (Asset)

2. Inspection: allow users to save selected inspections only to a file. (Asset)

3. Inspection: allow users to append manhole inspection records saved in a file. (Asset)

AquaTwin 4.5.10

1. Enable horizontal scroll bars for Inspection and Twin Editor tables and allow users auto fit the column widths of the tables. (Asset, Water & Sewer)

2. Inspection: allow users to specify custom fields for inspection records. (Asset)

3. Inspection: allow users to specify the connection/lateral length on the map. (Asset)

4. Inspection: reorganize inspection dialog’s toolbar and add a save button to allow users to save the changes anytime. (Asset)

5. Inspection: allow users to delete selected inspection records. (Asset)

6. Inspection: Draw Defects now will retain existing symbology of defects on the map. (Asset)

7. Export to Geodatabase: all visible inspection fields now will be exported. (Asset)

8. HoloView: reset previous pipe’s video and image content. (Asset)

AquaTwin 4.5.9

1. Valve Criticality: allow users to categorize affected customers (isolated or low pressure) based on a field from the meter or lateral layer. (Asset & Water)

2. CCTV Inspection: allow users to resize the video frame in HoloView. (Asset)

3. R&R Diagram: allow users to query entire condition table including draft rehab method for CCTV and manhole inspections. (Asset)

4. Fixed an issue of clone function in Pattern and Curve. (Sewer)

5. Fixed an issue of field calculator in Pattern dialog. (Water & Sewer)

6. Fixed a unit displaying issues of headloss on the map. (Water)

7. Risk: enhanced distance function to handle discontinuous polylines. (Asset)

8. Added new feature to clone a saved query. (Asset, Water & Sewer)

AquaTwin 4.5.8

1. Valve Criticality: allow users to categorize isolation valves based on their size. (Asset & Water)

2. Fire Flow: fixed a report issue of critical velocity column. (Water)

3. Fixed a peak flow calculation issue on conduits with negative slope. (Sewer)

AquaTwin 4.5.7

1. Added a dropdown menu under Tools button of Twin Properties to save active asset’s record as default. (Water & Sewer)

2. Allow users to apply ArcGIS Pro selection only when pushing changes to the other scenarios. (Water & Sewer)

AquaTwin 4.5.6

1. Fixed a Surge result displaying issue. (Surge)

2. Isolation Simulation: optimize valve closing on the dead-end sections. (Water)

AquaTwin 4.5.5

1. New feature: Valve Criticality Analysis. (Water)

2. Added Export to GIS on Pressure Zone Analysis dialog to export pressure zone information to AquaTwin layers. (Water)

3. Allow users to change pressure zone names on Pressure Zone Analysis dialog. (Water)

4. Create Projects button on Project Grouping dialog will re-create the geodabase if the default ArcGIS Pro geodabase has been deleted. (Asset)

5. Fixed an issue with distance calculation between two polylines. (Asset)

AquaTwin 4.5.4

1. Fixed an issue of Draw Subcatchment Outlet tool. (Sewer)

2. Bypassed an issue of ArcGIS Pro distance calculation on LOF/COF. (Asset)

AquaTwin 4.5.3

1. New feature: Valve Replacement Prioritization. (Water)

2. Proximity and crossing options in LOF/COF now will choose the feature with the highest score possible. (Asset)

3. External layer, external table, digital twin and inspection options in LOF/COF now will allow users to assign a default score if the asset ID could not be found. (Asset)

AquaTwin 4.5.2

1. Fixed a scoring issue after users change external layer’s field on Edit LOF/COF dialog. (Asset)

2. Issue warning messages when an asset ID within operational changes does not exist. (Surge)

3. Load Pipes button in Pipe Wave Speed tab now will load active pipes only. (Surge)

AquaTwin 4.5.1

1. Improved modeling of pumps described by multi-point head-flow characteristic curves for surge analysis. (Surge)

2. Bypassed an exception of MS database engine in AI/ML and LCCA modules. (Asset)

3. Fixed an issue of “Update Geometry” in Import Center. (Water & Sewer)

AquaTwin 4.5.0

1. Added new feature to allow users to transfer or copy data from a scenario to the other. (Water & Sewer)

2. Allow users to use operable or enabled valves only to run Isolation Simulation. (Water)

3. Pressure Zone Analysis now only enables closed pipes as zone boundaries by default. (Water)

4. Updating a junction’s invert elevation now will update the max depth value instead of rim elevation. (Sewer)

5. Fixed an index issue of loading project when some assets do not have output results. (Water)

6. Fixed a progress bar message issue of Demand/Load Builder. (Water & Sewer)

AquaTwin 4.2.18

1. Display pattern, curve and scenario descriptions on the digital tree view. (Water & Sewer)

2. Fixed an index issue of report button on graph. (Water)

AquaTwin 4.2.17

1. Allow users to label conduit summary and design fields in profile graph. (Sewer)

2. Added low pressure demand field to resilience metrics report. (Water)

3. Allow users to select and copy records from project list report. (Asset)

4. Added alias names to the GIS fields of a new AquaTwin geodatabase. (Asset, Water & Sewer)

5. Fixed an elevation interpolation issue of inserting junction function. (Water & Sewer)

AquaTwin 4.2.16

1. Allow users to calculate LOF, COF and risk based on a saved query. (Asset)

2. Separate the defect GIS layer created by Draw Defect into point defect, continuous and connection layers. (Asset)

3. Added option to create contour map on selection. (Water)

4. Fixed an project loading issue when the report time step is 0. (Water)

AquaTwin 4.2.15

1. Transect Creator now allows users to create transects for selected conduit automatically. (Sewer)

2. Allow users to create map display of Min. Freeboard. (Sewer)

3. Allow users to report time series output data of all selected assets on multiple graph dialog. (Sewer)

AquaTwin 4.2.14

1. Allow users to lock the opened inspection data to prevent other users from making changes to it. (Asset)

2. Populate SourceID field in the GIS layer created by Draw Defects and Heat Map functions. (Asset)

3. Allow users to choose any field from CCTV/manhole inspection header table in R&R diagram. (Asset)

4. Populate defect codes in manhole HoloView. (Asset)

AquaTwin 4.2.13

1. Report progress of proximity/crossing geoprocessing on a LOF or COF run. (Asset)

2. Fixed a display issue of culvert code and barrels on conduit’s Asset Properties window. (Sewer)

AquaTwin 4.2.12

1. Added new Hyperlink feature to allow users to link selected network element with any documents, images, videos or internet resources. (Asset, Water & Sewer)

2. Added a new select menu to highlight “hyperlinked” assets on the map. (Asset, Water & Sewer)

AquaTwin 4.2.11

1. Added separated LOF/COF categories which will allow users to pick and choose which factors to use in a given Risk run. (Asset)

2. Allow users to select up to 60 COFs in risk calculation. (Asset)

3. Added optional mapping fields for manholes on Asset Registration dialog. (Asset)

4. Allow users to create R&R diagram for manholes. (Asset)

5. Allow users to compare multiple assets on graph. (Water & Sewer)

6. Fixed an issue of deactivating existing inspections. (Asset)

AquaTwin 4.2.10

1. Added project log option to allow users to track project changes. (Asset)

2. Added Setup.exe to AquaTwin Installer to allow users to install software using “Run as administrator” option.

3. Fixed an issue of Map Display function on populating GIS data. (Sewer)

4. Bypass an exception of R&R decision tree when the result of an active risk scenario is empty. (Asset)

AquaTwin 4.2.9

1. Added Wave Speed Calculator to Surge dialog. (Surge)

AquaTwin 4.2.8

1. Compute break/leakage flow and volume for EPS. (Water)

2. Show help text of Intrusion Coefficient field. (Surge)

3. Allow users to model pipe break without any operational changes. (Surge)

4. Allow users to query condition tables of CCTV and manhole inspection. (Asset)

5. Allow users to display multiple inspections on the same pipe using Asset Map Display. (Asset)

6. Fixed an issue with max. fire flow calculation when some constraint junctions or pipes do not have digital twin data. (Water)

7. Fixed an inp file generation issue on demand category names. (Water)

8. Fixed a licensing issue of Surge. (Surge)

AquaTwin 4.2.7

1. Estimate Intrusion Flows (Surge).

2. Compute break/leakage flow and volume (Surge).

3. Calculate Transient Forces in pipes, valves and bends (Surge).

4. Added Field Calculator to allow users to derive new values from other fields. (Asset, Water & Sewer)

5. Allow users to display CCTV or other inspection video in default player from a separated window by double-clicking the video control in HoloView. (Asset)

6. Populate inspection names in the new GIS layers generated by Draw Defects and Heat Map functions. (Asset)

AquaTwin 4.2.6

1. Added Refresh drop down menu on asset tree to refresh data from a centralized location changed by the other user. (Asset)

2. Allowed users to append (add to the end), insert (add to the front) and replace texts in a table column using Calculate Field function. (Asset, Water & Sewer)

3. Fixed a crash issue caused by recent VSP changes. (Water)

AquaTwin 4.2.5

1. Added pump speed output result to fixed pressure pumps. (Water)

2. Developed multi-user environments in AquaTwin to allow users to manage asset data in a centralized location. (Asset)

3. Allowed users to launch condition tables in CCTV Inspection and Manhole Inspection dialog and do bulk editing on a selected field. (Asset)

4. Prevented users from creating scenarios with invalid names. (Water & Sewer)

5. Bypassed an error exception of redraw map when “Size” field has been removed in pipe layer. (Water)

AquaTwin 4.2.4

1. Enhanced fire flow simulation speed when computing max. flow with min. required pressure or max. velocity constraint (Water)

2. Fixed a risk calculation issue when there are more 20 LOFs. (Asset)

AquaTwin 4.2.3

1. Allowed users to compare HGL and other parameters from different scenarios in Profile Graph. (Water)

2. Allowed users to compare HGL and other parameters from different scenarios in Surge Profile Graph. (Surge)

AquaTwin 4.2.2

1. Enabled users to store, copy and paste demands in different demand fields. (Water)

2. Allowed users to control how many demand fields to show in Twin Attribute dialog and in Asset Properties. (Water)

3. Allowed users to calculate field’s values including demand fields based on selected cells in Twin Attribute dialog. (Water & Sewer)

4. Demand Builder now Allows users to assign demands to different demand fields based on different land use types. (Water)

5. Added progress bar to Demand/Inflow builder and allowed users to cancel in the middle. (Water & Sewer)

6. Added Surge Event tab to Surge dialog. (Surge)

7. Fixed a crash issue of multi-tracing when updating results to inactive elements. (Water)

8. Fixed an inp file import issue on tank min. volume. (Water)

9. Fixed a surge issue when having zero F value for CV pipes and pumps. (Surge)

AquaTwin 4.2.1

1. Added head gained and upstream/downstream pressure information to pump output report. (Water)

2. Added upstream/downstream pressure information to valve output report. (Water)

3. Fixed a required min. pressure issue in hydrant curve printable report. (Water)

AquaTwin 4.2.0

1. New feature: extended fire flow. (Water)

2. Allowed users to specify EPS time on fire flow run. (Water)

3. Added a new column in fire flow report to indicate if available fire flow and max fire flow satisfy the fire flow constraints. (Water)

4. Added % full to tank output report. (Water)

5. Added total water supplied, total water consumed and total water stored information in status report. (Water)

6. Added pattern to control valves. (Water)

AquaTwin 4.1.81

1. Added an option to aggregate upstream sewersheds on RDII calibration. (Sewer)

2. Allowed users to view risk, AI failure prediction, R&R, RUL and other reports on selected assets only. (Asset)

3. Allowed users to query on any fields of inspection table in a saved query. (Asset)

4. Added batch editing capability in CCTV inspection and manhole inspection tables. (Asset)

5. Allowed users to view selected or all inspection records. (Asset)

6. Fixed an issue of saving a new selection. (Asset, Water & Sewer)

AquaTwin 4.1.80

1. Added selection menu item to select junctions with surge protection devices. (Surge)

2. Added a right-click popup menu on Verification tab of Message window to clear all validation results. (Asset, Water & Sewer)

3. Added a function to export inspections and conditions to CSVs on Inspection dialog. (Asset)

4. Added an option to allow users to avoid overwriting manually assigned CCTV or manhole inspection scores. (Asset)

AquaTwin 4.1.79

1. Combined surge tanks and surge valves as Surge Protection Devices to allow users to model PRVs and SAVs on junctions. (Surge)

2. Added a new feature to allow users to save report layout on Twin Attributes. (Water & Sewer)

3. Enhanced fire flow options dialog. (Water)

4. Added wet weather flow (WWF) to RDII calibration report and graph. (Sewer)

AquaTwin 4.1.78

1. Enhanced RDII calibration speed on a large data set. (Sewer)

2. Added a new feature to extract rainfall events and DWF patterns from flow measurement data. (Sewer)

3. Allowed users to merge two inspections when opening an inspection file. (Asset)

4. Fixed an editing issue of surge tank properties. (Surge)

AquaTwin 4.1.77

1. Added design capacity and remaining design capacity results to conduit summary report. (Sewer)

2. Added linear interpolation option to Minor Loss Calculator. (Sewer)

3. Hided video or image control in HoloView when the media data cannot be found. (Asset)

4. Disabled length scaling on defect heat map. (Asset)

AquaTwin 4.1.76

1. Added option to set junction invert elevation equal to the lowest connect pipe’s invert elevation. (Sewer)

2. Allowed users to report time series data of all selected assets on multiple graph dialog. (Water)

3. Disabled rim elevation editing on asset properties dockable window. (Sewer)

4. Prevented users from import invert elevation, rim elevation and max. depth in a same time on Import Manager. (Sewer)

5. Allowed users to copy/paste inspection records. (Asset)

AquaTwin 4.1.75

1. Added an option to specify whether the air is compressible. (Surge)

2. Fixed an editing issue of air valve. (Surge)

3. Fixed a Surge unit display issue on the map. (Suge)

AquaTwin 4.1.74

1. Added an option to show node ID label on Surge Profile dialog. (Surge)

2. Allowed users to copy/paste data on Twin Attributes dialog. (Water & Sewer)

3. Fixed a project grouping issue when grouping on attribute fields only. (Asset)

4. Added progressor bar to project grouping. (Asset)

5. Increased inp import speed on a big amount of timeseries data. (Sewer)

AquaTwin 4.1.73

1. Added surge profile graph. (Surge)

2. Allowed users to create a saved query based on inlet and outlet offsets of links. (Sewer)

3. Fixed an ID sorting issue of profile view. (Water)

AquaTwin 4.1.72

1. Fixed a unit conversion error for quadratic pump curve coefficients. (Surge)

2. Pump F values now are calculated based on the connecting pipes’ diameter. (Surge)

AquaTwin 4.1.71

1. Double-click on an inspection validation message now will open the target pipe/manhole inspection record. (Asset)

2. Allowed users to search R&R branches based on IDs, query statements and descriptions. (Asset)

3. Allowed users to save and open a R&R diagram from a file. (Asset)

4. Fixed a zoom issue of R&R branch editing. (Asset)

5. Fixed issues related invert calculation. (Sewer)

6. Fixed a saving issue of inspection detail table. (Asset)

7. Fixed a display issue of CCTV images when they are stored in a Cloud directory. (Asset)

AquaTwin 4.1.70

1. Added check valve features to Surge pump. (Surge)

2. Enhanced rule-base control editors with color rendering of the texts. (Water & Sewer)

3. Added an option to label defects on HoloView for CCTV inspections and manhole inspections. (Asset)

4. Allowed users to save project configuration to a file and open from it. (Asset)

AquaTwin 4.1.69

1. Added an option to allow users to specify a score for the null values on LOF/COF calculation. (Asset)

2. Added apply selection option on Elevation Manager dialog. (Water & Sewer)

3. Fixed an unit conversion issue of peak d/D and peak water depth results. (Sewer)

AquaTwin 4.1.68

1. Allowed users to save and open pipe and manhole inspection data through files. (Asset)

2. Allowed users to zoom on X axis by scrolling mouse on graphs. (Water & Sewer)

3. Added Length Surveyed field to Inspection map display. (Asset)

4. Added curve type field on Curve dialog. (Water)

5. Fixed a display issue of total evaporation results on subcatchment table. (Sewer)

6. Fixed a saving issue of simple control when time values contain decimal places. (Water)

AquaTwin 4.1.67

1. Added AquaTwin Surge license component. (Water)

2. Hided the warning message of zero demand disconnected nodes. (Water)

3. Added Clear Demand button to allow users to clear all demand data (in selection or all records) on Twin Attributes dialog. (Water)

4. Fixed an issue of Draw Meter Connection on junction. (Water & Sewer)

5. Added “count” to Inspection pivot tables. (Asset)

6. Fixed a sorting issue of R&R Cost table. (Asset)

7. Fixed an editing issue of curve. (Water & Sewer)

AquaTwin 4.1.66

1. Fixed an issue of inp generation in Evaporation section. (Sewer)

2. Fixed a fire flow issue when the saved selection has some inactive junctions or pipes. (Water)

3. Enhanced demand category import in Import Center dialog. (Water)

4. Added copy button on Manhole Inspection dialog to copy manhole inspection records. (Asset)

5. Enabled users to interact with ArcGIS Pro when Manhole Inspection dialog is opened. (Asset)

AquaTwin 4.1.65

1. Fixed a length limit issue of simple control dialog. (Water)

2. Connectivity updates now are not required to have both upstream and downstream node IDs on Connectivity Builder dialog. (Water & Sewer)

3. Fixed an issue of Delete Selection when ArcGIS Pro editor is disabled. (Water & Sewer)

4. Fixed an import issue of BEFDSS_01_01 standard. (Asset)

5. Added the copy function on Scenario Comparison dialog. (Water & Sewer)

6. Added inflow (direct, DWF and RDII) data comparison on Scenario Comparison dialog. (Sewer)

AquaTwin 4.1.64

1. Changed “Asset ID” to “ID” on validation window to avoid confusion on inspection validation. (Asset)

2. Changed “PACP_Code” to “Code” on defect GIS layer to support non-PACP standards. (Asset)

3. Fixed an import issue and a defect coding issue of NBN_EN_13508-2 standard. (Asset)

4. Added copy button on Inspection dialog to copy inspection records. (Asset)

5. Added delete defect menu on Inspection dialog to allow users to delete a selected observation. (Asset)

6. Enabled users to interact with ArcGIS Pro and HoloView when Inspection dialog is opened. (Asset)

AquaTwin 4.1.63

1. Increased available fire flow and residual pressure computing speed. (Water)

2. Fixed a map report issue of hydrant fire flow capacity curve. (Water)

3. Allowed users to import demand category names from GIS data. (Water)

AquaTwin 4.1.62

1. Added depression storage field to subcatchments for SCS runoff models. (Sewer)

2. Added “TotalLOF” field in R&R diagram to allow users to access LOF raw data instead of normalized LOF values only. (Asset)

3. Deactivate existing inspection option now will ignore survey direction from the old inspection records. (Asset)

4. Bypassed an output access issue when IDs end with a space. (Water)

5. Fixed map display issue of manhole inspections. (Asset)

6. Draw Defects now only draws active CCTV inspections. (Asset)

AquaTwin 4.1.61

1. Added a new feature to manage and run fire flow zones. (Water)

2. Fixed an editing issue of infiltration data on tabular view. (Sewer)

3. Fixed an issue of Compute Residual Pressure flag. (Water)

4. Auto map redraw on scenario switching is checked for a new project now. (Water & Sewer)

AquaTwin 4.1.60

1. Tank level displayed incorrectly when a tank was selected for the other network element on graph. Now it has been fixed. (Water)

2. Fixed default max. d/D saving issue on Conduit Capacity dialog. (Sewer)

AquaTwin 4.1.59

1. Added scatter summary report to create multiple scatter plots for a same asset. (Sewer)

2. Expanded ID limit to 63 characters in EPANET inp file import. (Water)

AquaTwin 4.1.58

1. Increased fire flow junction loading speed for a large network. (Water)

2. Added a new tool to package AquaTwin project files. (Asset, Water & Sewer)

3. Added Nash–Sutcliffe model efficiency coefficient to calibration statistics report. (Water & Sewer)

4. Fixed a crash issue related to network or OneDrive directory. (Sewer)

AquaTwin 4.1.57

1. Added a progress bar for RDII calibration run. (Sewer)

2. Added GA options to RDII calibration. (Sewer)

3. Fixed a crash issue of RDII calibration. (Sewer)

4. Fixed an incorrect warning message on Profile. (Sewer)

AquaTwin 4.1.56

1. New feature: Peaking Factor Calculator. (Sewer)

2. New feature: steady state analysis option. (Sewer)

3. Allow users to produce demand statistic results on different patterns. (Water)

4. Export to Geodatabase now will export zone ID from Pressure Zone Analysis results. (Water)

5. Export to Geodatabase now will export inflow data (Direct, DWF and RDII) (Sewer)

AquaTwin 4.1.55

1. Added new “Weekly” pattern type to allow users to create a DWF pattern with hourly multipliers for each day of week. (Sewer)

2. Added Video field to the defect feature class created by Draw Defects function. (Asset)

3. Added an option to allow users to populate full paths of images and videos. (Asset)

4. R&R diagram will count all of defects or rehabs when defect code or rehab type is left empty in a special query. (Asset)

5. Enhanced scatter plot by removing XY axis paddings and plotting 1:1 line based on the range of data. (Sewer)

AquaTwin 4.1.54

1. New feature: calibration tool based on scatter graph of peak values. (Sewer)

2. Removed empty spaces on exported csv files. (Asset)

3. Fixed an issue of Lateral Inflow comparison graph on Calibration Manager dialog. (Sewer)

AquaTwin 4.1.53

1. New feature: Outage Analysis for sewer. (Sewer)

AquaTwin 4.1.52

1. New feature: Service Lateral Storage Compensation. (Sewer)

2. Added Chart Designer button to allow users change color and styles of the graphs. (Water & Sewer)

AquaTwin 4.1.51

1. Added Auto Paths function on Profile dialog to trace all possible paths from a downstream node. (Sewer)

2. Added Min/Max Difference fields to calibration statistics results. (Water & Sewer)

AquaTwin 4.1.50

1. Added import function of EU CCTV xml files. (Asset)

2. Allowed users to create defect codes from different standards. (Asset)

3. Added Field Display Options dialog to allow users to show, hide or change inspection field captions and display different data format of condition table. (Asset)

4. Added a function on Inspection dialog to update pipe layer with inspection results. (Asset)

5. Added Minor Loss Calculator to calculate a conduit’s exit minor loss based on its angle with the downstream link. (Sewer)

6. Added conduit shape type field to Saved Query. (Sewer)

7. Users could not select a link from a upstream pipe on Profile dialog. Now it has been fixed. (Sewer)

8. Fixed an issue of geodatabase export on pump data. (Water)

9. Populated “From/To” node IDs for the links in Digital Twin geodatabase export. (Water & Sewer)

10. Removed conduit “XSection” field and populated “ShapeType” field during geodatabase export. (Sewer)

AquaTwin 4.1.49

1. Added “Level Pattern ID” field to tanks to allow users to control tank level through a pattern. (Water)

2. Users now are able to disable a simple control by adding a semicolon in front of it. (Water)

3. Changed link label field control to allow users to select any combination of label fields on Profile dialog. (Sewer)

4. Fixed a decimal issue of average field on Field Statistic dialog. (Water & Sewer)

AquaTwin 4.1.48

1. Support multiple-parents in R&R Diagram. (Asset)

2. Added a button to display decision path on R&R Plan report. (Asset)

3. Pipe split would not copy the GIS attributes of the existing pipe to the new pipe. Now it has been fixed (Water & Sewer)

4. Fixed an issue of creating a new nested saved selection. (Asset, Water & Sewer)

AquaTwin 4.1.47

1. Added capabilities to interpolate DWF in RDII calibration. (Sewer)

2. Support nested Saved Query to allow users to create multiple-parameter LOF/COF, develop custom data validation procedures or other business logics, etc. (Asset, Water & Sewer)

3. Added save function to Multiple Graph. (Water & Sewer)

4. Added project DB location information to About dialog. (Water & Sewer)

AquaTwin 4.1.46

1. Added External Layer and External Table options to Saved Query to allow users to create query through tabular join or spatial join with external GIS data. (Asset)

2. Fixed an import issue of valve initial status. (Water)

AquaTwin 4.1.45

1. Calculate and display number of assets on each R&R branch. (Asset)

2. Added a button to select and zoom R&R branch’s results on the map. (Asset)

AquaTwin 4.1.44

1. Added an option to change visual range of Scatter Plot. (Sewer)

2. Added “crown of pipe” line on Scatter Plot. (Sewer)

3. Skip the simple control statement in INP file when the link is inactive. (Water)

AquaTwin 4.1.43

1. Added depth-velocity scatter plot on Calibration Manager. (Sewer)

AquaTwin 4.1.42

1. Show video location of a CCTV inspection. (Asset)

2. Added Min Pressure Change option to avoid selecting low pressure or disconnected pipes without pressure changes.

3. Added Report button on System Summary dialog to display system flow result in tabular format.

AquaTwin 4.1.41

1. Enhanced tank status handling in engine. (Water)

AquaTwin 4.1.40

1. Added functions to create printable hydrant curve report and fire flow report (can export to PDF, htm and other formats). (Water)

2. Added survey length field to Inspection dialog. (Asset)

3. Allowed to zoom calibration comparison graph. (Water & Sewer)

4. Max available flow might not be cleared from the previous FF run. Now it has been fixed. (Water)

5. Fixed a time step issue of calibration comparison graph on Sewer. (Sewer)

6. Fixed a flow precision issue of Inflow Builder. (Sewer)

7. Fixed a flow precision issue of Field Statistics. (Water & Sewer)

AquaTwin 4.1.39

1. Added a function to split a CCTV inspection which surveyed multiple pipes. (Asset)

2. Added validation functions to validate survey length and distance of condition records against GIS pipe length. (Asset)

3. Added a button on Calibration Manager to plot scatter graph of telemetry data. (Water & Sewer)

4. Added Options button to Demand Builder dialog to allow users to specify search distance on the first page. (Water)

5. Search distance was not used to allocate demand/inflows using Closest Pipe method. Now it has been fixed. (Water & Sewer)

AquaTwin 4.1.38

1. Support ArcGIS Pro 3.3.

2. Added the ability to show and label CCTV defects on the profile graph. (Asset)

3. Added progress bars to Draw Defect and Draw Rehab on Inspection dialog. (Asset)

4. Fixed a saving issue of the name of the active risk/inspection scenario. (Asset)

AquaTwin 4.1.37

1. Fixed a crash issue of Demand Builder when a meter’s geometry is invalid.

AquaTwin 4.1.36

1. Added options to include hydrant lateral loss on system safety/fire flow simulation. (Water)

2. Added field statistics function to graph’s time series report. (Water & Sewer)

3. Fixed an issue of selecting affected customers with low pressure pipes on Isolation dialog. (Water)

4. Fixed an issue of Zoom to Sequence in UDF. (Water)

5. Fixed a clone issue of a sewer twin set. (Sewer)

6. Menu of report all parameter was not working on a sewer graph. Now it has been fixed. (Sewer)

AquaTwin 4.1.35

1. Added “Service Disrupted Pipes” section for Isolation summary report. (Water)

2. Highlight Affected Customers on Isolation now will also highlight isolated or service disrupted pipes. (Water)

3. Fixed an inconsistence issue of disconnected node flag on isolation engine when the demand is 0. (Water)

AquaTwin 4.1.34

1. Fixed an issue of selecting affected customers using Associated Pipe ID Field on Isolation dialog. (Water)

2. Allowed users to filter the GIS data source using a SQL query expression on Import Center. (Water & Sewer)

AquaTwin 4.1.33

1. Fixed an issue of Ignore RDII flag. (Sewer)

2. Fixed a reset map issue on contour map. (Water)

AquaTwin 4.1.32

1. Added Impacted Demand field to map display. (Water)

2. Allowed users to import barrels field in Import Center. (Sewer)

3. Design HGL tool now supports storage data type. (Sewer)

4. Inserting a junction to a pipe will now clone the original pipe attributes to the new pipe. (Water & Sewer)

AquaTwin 4.1.31

1. Added Reflect INP File Changes tool. (Water & Sewer)

2. Fixed a crash issue of Isolation. (Water)

AquaTwin 4.1.30

1. Added Groundwater table to Twin Attribute dialog. (Sewer)

2. Fixed a saved selection issue for subcatchments and raingages. (Sewer)

3. Flow values in graph and multiple graph dialogs were not rounded according to flow precision settings. Now it has been fixed. (Sewer)

4. Fixed a junction merge issue when there are more than 2 vicinity junctions. (Water & Sewer)

AquaTwin 4.1.29

1. Added an option of Pressure Zone Analysis to allow users to preserve zone descriptions from the previous run. (Water)

2. Implemented Comments tab of UDF Sequence dialog to allow users to enter the flushing instructions for the field workers. (Water)

3. Enlarged combo size and added tooltip of the selected value to Edit Saved Query dialog. (Water & Sewer)

4. Added Unit Headloss field to the map display. (Water)

5. Added “description” to inflow table. (Sewer)

6. Added statistics function to inflow table. (Sewer)

AquaTwin 4.1.28

1. Added relative path support for the external files of temperature, raingage and timeseries. The path should be relative to the location of ArcGIS Pro project file. (Sewer)

2. Fixed an inp file generation issue of climate data when the start reading date of the temperature file is empty. (Water)

3. UDF issue fixes and enhancements. (Water)

AquaTwin 4.1.27

1. Added a selection shortcut to select junctions with more than 2 connections. (Water & Sewer)

2. Added an error message to an UDF sequence when the flushing hydrant has negative pressure or is disconnected from the network. (Water)

AquaTwin 4.1.26

1. Support Vancouver CCTV inspection format. (Asset)

2. Support multiple outlets for subcatchments. (Sewer)

3. Added Design HGL tool. (Sewer)

4. Fixed an output display issue of the second flushing hydrant. (Water)

5. Fixed an import issue of conduit shape type. Now Import Center supports both string and integer data types of the source data. (Sewer)

6. Fixed a conduit ID display issue of profile graph. (Sewer)

AquaTwin 4.1.25

1. New feature: unidirectional flushing. (Water)

AquaTwin 4.1.24

1. Fixed a ribbon activation issue of Sewer 2D floating license.  (Licensing)

AquaTwin 4.1.23

1. Fixed inp importing issues on raingage, time series and temperature files. (Sewer)

2. Added a button on File Name field of raingage to select an external rainfall file. (Sewer)

AquaTwin 4.1.22

1. Bypassed a crash exception on About AquaTwin dialog. (Licensing)

2. Added an option on Isolation dialog to blank the results of disconnected nodes and links. (Water)

AquaTwin 4.1.21

1. Added combined rehab actions.  (Asset)

2. Added Draw Draft Rehab menu. (Asset)

3. Fixed a crash issue of adding a R&R branch.

AquaTwin 4.1.20

1. Added import spatial rainfall data tool.  (Sewer)

AquaTwin 4.1.19

1. Added Draw Defects function to draw defects on the map.  (Asset)

2. Implemented VC accelerator for MSX.  (Water)

AquaTwin 4.1.18

1. Added hotstart file option for water quality simulation.  (Water)

2. Added hotstart file option for MSX.  (Water)

AquaTwin 4.1.17

1. Allowed users to color code and label MSX results on the map.  (Water)

2. Enhanced Axis X’s title display on water age/chemical water quality graph.  (Water)

AquaTwin 4.1.16

1. Added new Special Query data source in R&R diagram.  (Asset)

2. Added defect buffering distance option to allows users to calculate the length of non-continuous defects.  (Asset)

3. Fixed a R&R run issue on selection.  (Asset)

AquaTwin 4.1.15

1. Added a subcatchment tool to calculate the width values.  (Sewer)

AquaTwin 4.1.14

1. Corrected the mass balance reporting error when tank overflows.  (Water)

2. Fixed a MSX bug that may lead to infinite loop in concentration update of the pipe wall species. (Water)

3. Added a subcatchment tool to calculate the slope values.  (Sewer)

4. Added Status Report icon to Digital Twin tree for easy access.  (Water & Sewer)

AquaTwin 4.1.13

1. New titles for AquaTwin Sewer applications.  (Sewer)

AquaTwin 4.1.12

1. Add Conduit Capacity table to calculate each conduit if the d/D exceeds the design d/D.  (Sewer)

2. Report and color code conduits on Exceed Design d/D field. (Sewer)

3. Fixed an import issue on water quality settings.  (Water)

AquaTwin 4.1.11

1. Added “Rain on 2D Mesh” option to Sewer 2D.  (Sewer 2D)

2. Added Transect Creator. (Sewer)

3. Added options to label link’s flow and depth on profile graph.  (Sewer)

4. Fixed a Xsection saving issue on irregular conduits. (Sewer)

AquaTwin 4.1.10

1. Import Center is now able to import GIS data through spatial join.  (Water & Sewer)

2. Added AquaTwin Asset help file. (Asset)

AquaTwin 4.1.9

1. Integrated Design Storm Wizard with AquaTwin Sewer.  (Sewer)

2. Added an option to blank mesh cells with tiny or no water depth on 2D map display. (Sewer 2D)

3. Added a function to redraw mesh cells without remeshing everything. (Sewer 2D)

4. Fixed an import issue on Tank data. (Water)

AquaTwin 4.1.8

1. Added “Connected to 2D” flag to junctions (remeshing is required for it to take effect).  (Sewer 2D)

AquaTwin 4.1.7

1. Added an option to query active assets only in a Saved Query (for digital twin data only).  (Water & Sewer)

2. Fixed inp file generation issue on PRV initial status. (Water)

AquaTwin 4.1.6

1. Fixed a Sewer 2D licensing issue.

AquaTwin 4.1.5

1. Fixed flow and pressure output results for disconnected demand situations. (Water)

2. Fixed a dialog focus issue of Isolation dialog so that users don’t have to click the buttons twice after selecting a isolation pipe from the map. (Water)

3. Changed Select Water Sources button with a more intuitive icon. (Water)

AquaTwin 4.1.4

1. Added a small button to select any trace node (junction, tank or reservoir) on Trace Node ID field of Water Quality options. (Water)

2. Show trace node ID instead of “Quality” in single trace’s graph and report.  (Water)

3. Allowed users to color code/label any trace node’s percentage through map display dialog.  (Water)

AquaTwin 4.1.3

1. Increased water quality simulation speed using OpenMP parallelization. (Water)

AquaTwin 4.1.2

1. Fixed an infiltration data issue. (Sewer 2D)

AquaTwin 4.1.1

1. Added Append Subcatchment and Split Subcatchment tools for storm modeling users. (Sewer)

2. Added Select icon on the ribbon area to allow users to select an element when Asset Properties window is closed. (Water & Sewer)

3. Fixed a refresh issue of number of meshes.

4. Fixed a coordinate rounding issue on meshing.  (Sewer 2D)

AquaTwin 4.1.0

1. Added tank damage assessment caused by earthquake. (Water)

2. Fixed a meshing issue on concave void polygons.  (Sewer 2D)

AquaTwin 4.0.36

1. Added Rehab Buffer and Combine Distance fields to R&R Cost table. (Asset)

2. Excluded inactive assets from pressure zone analysis.  (Water)

3. Added Mesh Tuning Tolerance option to mesh engine.  (Sewer 2D)

AquaTwin 4.0.35

1. Added an option to specify a time range to deactivate existing inspection records. (Asset)

2. Enhanced Isolation performance by comparing pressure difference from the previous time step.  (Water)

3. Fixed a crash issue on overlapping vertices.  (Sewer 2D)

AquaTwin 4.0.34

1. Added an option to hide inactive element (please click Reset Map for an existing project to take effect). (Water & Sewer)

2. Added mass balance report for critical outflow boundary condition.  (Sewer 2D)

AquaTwin 4.0.33

1. Supported PACP/MACP 8’s defect codes and scoring. (Asset)

2. Select All Disconnected Junctions/Pipes now only apply to active elements. (Water & Sewer)

3. Implemented 2D boundary conditions (Wall or Critical Outflow).  (Sewer 2D)

AquaTwin 4.0.32

1. Allowed users to import NEXRAD (radar rainfall data) in Import Center. (Sewer)

2. Allowed users to specify a different infiltration for the meshes within a polygon layer. (Sewer)

AquaTwin 4.0.31

1. Allowed users to specify min/max RTK parameter range in RDII calibration. (Sewer)

2. Load AquaTwin Geodatabase would continue loading even if the geodatabase could not be found.  Now it has been fixed. (Water & Sewer)

AquaTwin 4.0.30

1. Added an option to compute idle facilities (0 flow of pumps/valves) on Criticality dialog.  (Water)

2. Addded Idle Facilities column to resilience metric report. (Water)

3. Added Create Meter Connections tool to create a GIS layer for meter connection.  (Water & Sewer)

4. Added Max Depth input filed for Saved Query.  (Sewer)

5. Fixed a memory issue in RDII Calibration engine. (Sewer)

6. Fixed a Map Finder issue when searching a link missing upstream/downstream IDs. (Water & Sewer)

AquaTwin 4.0.29

1. Added progress bar to mesh creation.  (Sewer 2D)

2. Fixed decimal placement issue of roughness and max depth on geodatabase export.  (Sewer)

AquaTwin 4.0.28

1. Added infiltration table on Twin Attributes dialog. (Sewer)

2. Added verify/fix pump/valve direction tools. (Water & Sewer)

2. Enhanced 2D meshing on void polygons.  (Sewer)

AquaTwin 4.0.27

1. Added pivot table capabilities to pipe and manhole Inspection tables. (Asset)

AquaTwin 4.0.26

1. Added AquaTwin Sewer 2D license page.

2. Added an option to update geometry in Import Center.  (Water & Sewer)

3. Added “Freeboard” map display. (Sewer)

4. Enabled meter assignment tool when meter layer is from an enterprise geodatabase. (Water & Sewer)

AquaTwin 4.0.25

1. Fixed an issue on inspection deactivation function. (Asset)

AquaTwin 4.0.24

1.Added tank volume output report and statistics. (Water)

2. Added tank volume graph. (Water)

3. Added “Active” field to pipe and manhole inspection data. (Asset)

4. Added an option to deactivate older inspection records during import. (Asset)

5. Fixed an INP file generation issue on inactive subcatchments. (Sewer)

AquaTwin 4.0.23

1. Assign Pipe Segment Reference to pipe ID field when inspection validation could not locate upstream/downstream manholes in GIS. (Asset)

2. Added Inspection and Remaining Useful Life to Asset Map Display.  (Asset)

3. Added Inspection and Remaining Useful Life to Export to Geodatabase.  (Asset)

4. Fixed a heat map issue on inspection data when the GIS data is “Z Aware”. (Asset)

AquaTwin 4.0.22

1. Fixed a crash issue when reading output results from an inactive fixed flow/pressure pump. (Water)

AquaTwin 4.0.21

1. Added F1 online help shortcut. (Water and Sewer)

2. Added a menu item under About AquaTwin to launch online help. (Water and Sewer)

2. Allowed users to generate field statistics on Output and Summary results. (Water and Sewer)

AquaTwin 4.0.20

1. Maintenance update.

AquaTwin 4.0.19

1. List the closed pipes in Isolation Summary report when users choose a saved selection as closable pipes. (Water)

2. Popup progress bar before isolation tracing to prevent users from clicking run button twice on Isolation Simulation dialog. (Water)

3. Fixed a Saved Query combo box issue on Scanrio Manager dialog. (Water)

4. Fixed tank level values on tank comparison graphs. (Water)

5. Changed default orifice discharge coefficient to 0.65. (Sewer)

6. Fixed initial offset issue when converting a conduit to orifice.  (Sewer)

AquaTwin 4.0.18

1. Added help files for AquaTwin Water and AquaTwin Sewer.  *

2. Allowed users to import Pattern, Curve, Timeseries data through Import Center.  (Water and Sewer)

3. Fixed demand pattern multiplier issue on fixed flow pump. (Water)

4. Enabled ArcSDE data editing on Inflow Builder.  (Sewer)

* The help files are delivered to C:\Program Files\AquaTwin\.  If there is a problem in viewing the CHM file, please right click on the CHM file and select Properties.  Then Check Unlock from the Properties dialog.

AquaTwin 4.0.17

Release notes:

1. Added Culvert Code Selector to conduits.  (Sewer)

2. Fixed Outlet’s digital twin data’s display issue on attribute browser.  (Sewer)

AquaTwin 4.0.16

1. Fixed conduit direction display issue.  (Sewer)

AquaTwin 4.0.15

1. Added functionality for the admin users to log and report license checkout history. (License Manager)

2. Fixed the change password issue for tenant users.  (License Manager)

3. Fixed a graph display issue on Calibration Manager when there are multiple telemetry devices.  (Water and Sewer)

4. Fixed a disconnected junctions issue.  (Sewer)

AquaTwin 4.0.14

1. Allow users to select inspection with certain defect codes in R&R diagram. (Asset)

2. Allow users to display and navigate through defect table in HoloView. (Asset)

AquaTwin 4.0.13

1. New feature: Remaining Useful Life. (Asset)

2. Added Remaining Useful Life to R&R diagram. (Asset)

3. Added Remaining Useful Life to Saved Query. (Asset)

4. Populated IsolationChange field with pressure changes after pipe isolation in output GIS layer. (Water)

AquaTwin 4.0.12

1. Added Scatter Plot to Twin Attribute table. (Water and Sewer)

2. Populated field aliases with COF/LOF name in exported risk layer. (Asset)

3. Added copy + paste functionalities to risk scoring table. (Asset)

4. Removed check boxes of asset list in Temetry Graph dialog to prevent users from unchecking an asset while its model data is on. (Water and Sewer)

AquaTwin 4.0.11

1. New feature: batch run fire flow on multiple scenarios.  Users have option to overwrite each scenario with current fire flow demands and settings or maintain its own fire flow demands and settings.

2. Fixed an issue of Convert valves to links option on Import Center.

AquaTwin 4.0.10

1. Allow users to check critical junctions within a saved selection when computing maximum fire flow.

2. Selecting Critical Junction or Critical Pipe field on Asset Properties will now flash the junction/pipe on the map.

3. Added Select Pipe button on Project Management Report to allow users to add a pipe by selecting it on the map.

4. Fixed an Inflow Builder issue on inflow coefficient.

AquaTwin 4.0.9

1. Allow users to color code an average value field.

2. Allow users to calculate risk based on a Saved Selection.

AquaTwin 4.0.8

1. Added progress bar to Import Center and allowed users to cancel the process in the middle.

2. Added copy/paste function to Rehab Cost and Defect Code tables.

3. R&R and LACCA was using old cost table.  Now it has been fixed.

AquaTwin 4.0.7

1. Added an option to avoid overwriting existing GIS data during map redrawing.

2. Bypassed an ArcGIS Pro issue of Z value conversion on Import Center.

AquaTwin 4.0.6

1. Added an option to insert upstream and downstream junctions when importing pumps from point features or converting junctions to pumps.

2. Fixed a map display issue on inactive assets.

AquaTwin 4.0.5

1. Added Digitize Network feature to allow users to create element continuously.

2. Added two small buttons to From and To fields in Asset Properties to allow users to change connected nodes by selecting on the map.

3. Added dropdown menus under Refresh Active Status button to activate/deactivate elements in ArcGIS Pro selection.

4. Added confirmation messages to all GIS-Network Cleanup tools.

5. Added Trace Parallel Pipes results to the validation tab of the message board.

AquaTwin 4.0.4

1. Added Initial Status field in Saved Query.

2. Fixed an issue of conduit offset depth/elevation calculation.

3. Dialogs might sink to the bottom on creating a link on the map.  Now it has been fixed.

AquaTwin 4.0.3

1. Added full status report option.

AquaTwin 4.0.2

1. Fixed a scenario comparison issue on raingage data.

AquaTwin 4.0.1

1. Allowed users to specify rock and soil percentages of the ground on Earthquake.

2. Allowed users to specify pipe fragility curve based on different pipe group such as material.

AquaTwin 4.0.0

1. New feature: sewer temperature modeling.

2. Display model output graph when users select an asset on calibration manager.

3. Meter assignment on Asset Properties now works on both Water and Sewer.

4. Fixed a crash issue on Twin Builder when the spatial reference is empty.