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Apply the latest ARR updates with the new Watercom Climate Change Rainfall Modifier.

Seen the new updates to ARR? Apply the latest climate change science to your models using the new Watercom Climate Change Rainfall Modifier!  

On this page, you’ll find a continuous changelog for DRAINS releases.

ADDED:

  • New Perpetual Licencing (Softlock) Options
  • New Help Menu option: Activate a New Licence
  • New Dialog Box: Maintenance Expired, with ‘Copy Licence’ button
  • New Dialog Box: Demo and Training Licence disclaimer

FIXED & IMPROVED:

  • Refactored Pit database to fix potential corruption of model when pit family or size names have not been entered
  • Improvements to XML (Civil Site Design) import and export
  • Improvements to Overflow Route results displayed
  • Improvements to Detention Basin Table paste function
  • Potential bug with Pit Coordinates
  • Potential crash when opening DRAINS from a drn model in File Explorer
  • Potential crash during Lite Hydraulic Analysis
  • Potential crash when displaying Peak HGL Charts
  • WBNM Overflow Route warning preventing analysis
  • Other minor issues and enhancements

REMOVED:

  • ‘Standard’ & ‘Premium’ wording from the Run Menu & Licencing dialog box

CHANGED:

  • Orifice diameter range limits changed (5mm – 3000mm)

ADDED:

  • Added ability to create a temporary Pit size and display a warning if no Pit size has been detected for a Pit family
  • Enabled Double-Click to edit or open a property sheet
  • Added Copy, Clear and Cancel buttons to the Pit Inflow Hydrograph
  • Added X, Y coordinates to Drainage Pit Properties Page

FIXED:

  • Fixed Rainfall Multiplier issue when pasting from a spreadsheet
  • Fixed Run Analysis Error Messages not being displayed
  • Fixed opening of older template files
  • Fixed possible race condition in a Detention Basin Dialog
  • Enhanced the Overflow Route velocity and HGL long section
  • Prevented Outlet Node Dialog from closing after setting Water Level for Storm Events
  • Minor bug fixes

CHANGED:

  • Updated and improved XML data exchange workflow for Civil Site Design (CSD), including Safe Pond Depth & IL/CL Loss model
  • Updated IL/CL Catchment import/export parameters with spreadsheet
  • Updated pre-run checks for a parabolic weir
  • Removed Project Options Custom Time Step minimum value check
  • Added Project Options Custom Calculation Time Step must be greater than zero check and message
  • Added error detection when drawing background
  • Changing Pipe Type sets default Pipe Roughness option in Pipe Dialog
  • Removed Climate Change Rainfall Multiplier Limit from Project Options
  • Updated Catchment Time of Concentration in Balloon Help
  • Updated backend interface for Infiltration page of Detention Basin Dialog
  • Minor GUI and syntax changes

ADDED:

  • Added warning when default hydrograph model has not been selected
  • Added Rainfall Multiplier to the GIS import / export of a sub-catchment custom storm

FIXED:

  • Fixed false positive Catchment percentage warning when using the Rational method
  • Fixed potential crash when viewing an Infiltration Hydrograph

CHANGED:

  • Minor GUI and syntax changes

ADDED:

  • Added ability to copy Version and Licence details to clipboard
  • Added ability to change the Simulation Run-Time Multiplier to extend the model run times
  • Added Detention Basin Infiltration Effective Ratio Multiplier for Floor and Wall Areas
  • Added Detention Basin Limit for the Minimum Perimeter
  • Added Sub-Catchment Pre-Run Checks
  • Added warning when ARR2019 Procedures are unchecked in Project Options
  • Added warning if duplicate shape labels are detected in a model

IMPROVED:

  • Improved Property Balloons for IL-CL Sub Catchment Data
  • Improved model loading when no Pipes are associated with a Pipe Type in the Pipe Database by displaying an error and creating a Default Pipe
  • Improved detection of duplicate Node Names (Outlet) via display of warning
  • Improved wall permeability calculations for circular tanks

FIXED:

  • Fixed Downstream Headwall from affecting Independent Upstream Node
  • Fixed Sub-Catchment issue when importing data via XML or GIS
  • Fixed potential WBNM crash with weir links
  • Fixed issue with Rational Hydraulics and Results
  • Fixed issue with Rational Method switching between ARR87 and ARR2019
  • Fixed potential crash in Rational Method
  • Fixed potential crash with QUDM chart 2-dimensional array lookup
  • Fixed issue when auto-launching DRAINS after selecting a .drn file with results in Microsoft Windows File Explorer

CHANGED:

  • Updated Overflow Cross-Section Table Functionality
  • Removed ‘Fixed Pipe’ warning during Hydraulic Analysis for pipes attached to detention basins and head walls
  • Increased maximum Manning’s Roughness limit for RAFTS Hydrological model sub-catchments
  • Increased Storm Duration Limit to enable up to a 20-year continuous storm analysis in non-ARR procedures
  • Increased Minimum Manning’s Roughness
  • Reduced Sag Pit Volume Storage Limit
  • Refactored Overflow Route Cross-Section Database Window
  • Refactored Pipe Database and Error Messages
  • Refactored Project Options Window
  • Serialized upstream and downstream settings in the overflow cross-section page of an overflow
  • Changed Overflow Cross-Section Major, Minor Safe Depth or Width to only calculate the corresponding value
  • DRAINS Installer will now force-exit DRAINS if it’s already running
  • Other minor changes

UPDATED:

  • Improved compatibility with 2020 version of DRAINS
  • Improved Pipe Database validation
  • Refactored Detention Basin Dialog
  • Removed Detention Basin Ratio Limitation for Perimeter and Area
  • Other minor changes

UPDATED:

  • Refactored the view when loading a model with saved results
  • Updated Cross Section switching from Safe Depth to Safe Width in an Overflow Route Cross Section Database
  • Unexpected File Format Error Prevention when saving a Pipe Database
  • Pre-Burst Rainfall Table Selection during an Import from the ARR Data Hub
  • Enabled the option to report the critical Mean results (BETA) in the Project Options
  • Automatically open the Project Hydrological Models if no Default Model has been set
  • Automatic selection and deselection of the ARR2019 Procedures for the Rational Method
  • Prefixed ‘??’ for the pipe label if incomplete pipe properties are detected
  • Refactored the About DRAINS window
  • Updated the Help to reflect the changes within the application

ADDED:

  • Network communication error feedback
  • Extra Pre-run checks
  • Option to display Release Notes after installing DRAINS

CHANGED:

  • Improved the storing of results for full storm ensembles
  • Minor improvements to User Interface
  • DRAINS version format to Major, Minor, Build, Revision
  • Licence error feedback
  • Minimum Detention Basin Area to 0.1
  • Run Log Information, Warnings for Channel and Overflow Route Spills
  • DRAINS Upgrade text
  • Improvements to the Licence Server Reporting
  • Updated installation software
  • Updated Run Log text

REMOVED:

  • Continuing Loss limit for IL CL Hydrological Model
  • Minimum hydraulic analysis Time Step limit in the Project Options

FIXED:

  • Possible crash when saving storm results.