🌊 InfoSewer and 💧 InfoSWMM Comparison

In the 🖥️ Base Functionality domain, both 🌊 InfoSewer and 💧 InfoSWMM offer a 🔄 Conservative Solution option (✅Y). However, the public domain advantage is a feather in 💧 InfoSWMM's cap due to its 🌐 Public domain engine (✅Y), a feature not shared by 🌊 InfoSewer (❌N). Both systems excel in 💃 Calibrating model to flow data (✅Y), with 💧 InfoSWMM going a step further by providing 📊 Calibration Data (✅Y).

In the 🖱️ IT/Database Architecture landscape, both turn away from 🤝 Multi-User Architecture (❌N). However, 💧 InfoSWMM stands tall with 💪 64 Bit Application & Multi Core Processing (✅Y) and 🚀 Remote Simulation Capability (✅Y), features 🌊 InfoSewer hasn't adopted (❌N).

In the 🌐 2D/Advanced Hydraulic Modeling arena, both shy away from 🌉 River, Bridge, and Ancillary Modeling (❌N). But, 💧 InfoSWMM shines by offering 2D Included as an Add On and 🌊 True Representation of Open Channels through HEC-RAS, unlike 🌊 InfoSewer (❌N). Yet, they both brave the storm with 🛡️ Shock Capturing capability (✅Y) for modeling high-velocity flows/steep embankments.

Additionally, 💧 InfoSWMM can migrate to 🔄 ICM SWMM, and 🌊 InfoSewer to 🔄 ICM InfoWorks. Though 🔄 ICM SWMM and 🔄 ICM InfoWorks share a common UX, 🔄 ICM InfoWorks boasts a richer feature set, offering a more feature-full experience compared to 🔄 ICM SWMM. This integration broadens user horizons, allowing for a seamless transition between platforms, enriching the user experience, and enhancing project execution.

🎗️ Feature Class	🛠️ Feature	🌊 InfoSewer	💧 InfoSWMM
🖥️ Base Functionality	Conservative Solution as an option	Y	Y
	Public domain engine	N	Y
	Calibrate model to flow data	Y	Y
	Calibration Data	N	Y
	...	...	...
🖱️ IT/Database Architecture	Multi-User Architecture	N	N
	64-Bit Application & Multi-Core Processing	N	Y
	...	...	...
🌐 2D/Advanced Hydraulic Modeling	River, Bridge, and Ancillary Modeling	N	N
	2D Included	N	Add On
	...	...	...

ICM InfoWorks - 🌊 Runoff Surfaces

 

🌊 Runoff Surfaces

📌 Overview

Runoff Surfaces in the InfoWorks network are linked to each subcatchment through Land Use, with up to twelve surfaces for every subcatchment.

🏞️ Categories of Runoff Surfaces

1. Impervious (e.g. roads 🛣️ or roofs 🏠)
2. Pervious (e.g. grass 🌱)

For every surface type, unique traits can be set determining how rainfall runoff happens, the volume of runoff, and its entry rate into the drainage system 🌧️➡️🚿.

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⚠️ Runoff Modelling Restrictions

📜 Key Restrictions:

1. All surfaces within a land use must employ the same runoff routing model 🔄.
2. If using the New UK (Variable) PR runoff volume model:
   • It has to be the last surface defined for a land use 📌.
   • The Default area for the final surface in the land use should exceed 0. If it's 0, the simulation engine ignores it. Hence, we suggest setting the Default area to 0.001 instead of 0 📏.
3. For the Green-Ampt runoff volume model, it should be the last surface pinpointed for a land use 🌱➡️📌.
4. In case the Wallingford (Fixed PR) runoff volume is employed on a surface within a land use:
   • All surfaces in that land use should adopt the Wallingford (Fixed PR) runoff volume model 🔄📏.

ICM InfoWorks - 🌐 Surface Area Take-Off

 

🌐 Surface Area Take-Off

🌍 Overview

The Area Take-Off (ATO) option facilitates the auto-calculation of runoff surface areas and the contributing areas of subcatchments using GIS data.

📚 For a deeper dive into the theory, refer to the Area Take-Off Technical Note.

📋 Prerequisites for ATO

• Checked out model with included subcatchment areas 🔄
• Impermeable Area Survey (IAS) drawing 🗺️
• A coded, digitised map of the catchment's impermeable area for IAS 📍

🛠️ Incorporating IAS into Model

1. 📌 Go to Model menu > Select SubcatchmentArea take off.
2. 🖥️ This action prompts the Area Take Off Dialog.
3. 📤 Import the digitised GIS IAS data by:
   • Browsing for a GIS file 📁
   • Selecting a Layer in the GeoPlan View 🌏
   • Choosing polygons imported from GIS based on Category Field 🔄

🚀 Using the Area Take-Off Function

1. Click on the icon or opt for Grid windowsNew subcatchments window from the Window menu.
2. Open the Subcatchment Grid Window of the Subcatchments Grid 🔲.
3. Highlight the entire Contributing Areas column, then right-click on any selected cell.
4. Set the flag to #G (geo) via the FDlags option 🚩.
5. For updating specific subcatchments, follow these steps:
   • Select all subcatchments for the update 🔄.
   • Navigate to the Grid menu > Select Group network selections at top of grid.
   • In the Subcatchment Grid View, choose Contributing Areas column and pick the areas for the chosen subcatchments.
   • Alter the flag for the picked cells to #G (geo).
6. Access SubcatchmentArea take off from the Model menu 📌.
7. Indicate the source for the Impermeable Area Survey data, which could be:
   • A GIS file 📁
   • A layer in the GeoPlan Window 🌏
   • Previously imported polygons from the GIS file.
8. Opt for other settings as required. If you used the alternative method in step 5, tick the Update Selected Subcatchments Only box 📦.
9. Press OK to wrap up the process ✅.
10. For any issues during the Area Take Off procedure, always review the log file 📜.