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The change-log and acknowledgements document supporting references and contributors. 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Standards, Practices, and Guidelines document is intended to supplement the 2025 Hydraulic and Hydrologic Modeling Guidance technical memorandum (Stantec, 2025) and the Guidance for 2D Storm Drainage Modeling and Deliverables report (CCD, 2026) .  \nACKNOWLEDGEMENTS  \nThe City and County of Denver team wishes to acknowledge the various individuals and organizations who contributed to the preparation of this InfoWorks ICM Modeling Standard, Practices, and Guidelines document:  \nStantec Consulting Service  \nPatrick Flynn, PE  \nJosephine Sajbel, GISP  \nThomas Lewis, PMP  \nLila Fehr, PE  \nJeni Li, EIT  \nDenver Department of Transportation and Infrastructure  \nJun Meng, PE, CFM  \nAngelica Makuch, PE, CFM  \nChris Best, PE  \nKelly Crum, PE  \nKimberley Pirri, PE, CFM  \nIngrid Petterson, PE  \nBrenden Marron, PE  \nRobin Hegedus, PE  \nThe City and County of Denver would like to gratefully acknowledge the following individuals and organizations for their collaboration and feedback during the development of these guidelines.  \nMichael Baker International  \nSarah Pfeifle, PE  \nSean Abel, PE, CFM  \nMile High Flood District  \nDavid Anderson, PE, CFM  \nBrik Zivkovich, PE, CFM  \nTABLE OF CONTENTS  \nCHANGE LOG ............................................................................................................................... i  \nACKNOWLEDGEMENTS ............................................................................................................... ii  \nTABLE OF CONTENTS .................................................................................................................. iii  \nTABLES ........................................................................................................................................ v  \nFIGURES...................................................................................................................................... v  \nAbbreviations & Acronyms .......................................................................................................... vii  \n1.0. Introduction .....................................................................................................................1  \n2.0. Modeling Approach Overview ............................................................................................3  \n2.1. InfoWorks ICM Database Structure ...................................................................................3  \n2.2. Data Sources ...................................................................................................................5  \n2.2.1. City and County of Denver GIS Data ....................................................................................5  \n2.2.2. Denver Regional Council of Governments Regional Data Catalog .........................................6  \n2.2.3. Additional Data Sources .....................................................................................................6  \n2.3. Governing Assumptions ....................................................................................................7  \n2.4. Recommended Workflow ............................................................................................... 17  \n3.0. Hydraulic Modeling – 1D Subsurface Network..................................................................19  \n3.1. Manholes, Surface Inlets, and other Nodes .....................................................................20  \n3.1.1. Importing GIS Assets ........................................................................................................20  \n3.1.2. Node Type ........................................................................................................................20  \n3.1.3. 1D-2D Interaction .......................................................................","cbCaipVxLoWSvtEA","https://ap.wps.com/l/cbCaipVxLoWSvtEA","pdf",3690760,76,"English","# Change Log\n# Acknowledgements\n# Table of Contents\n# Tables\n# Figures\n# Abbreviations & Acronyms\n# 1.0. Introduction\n# 2.0. Modeling Approach Overview\n## 2.1. InfoWorks ICM Database Structure\n## 2.2. Data Sources\n## 2.3. Governing Assumptions\n## 2.4. Recommended Workflow\n# 3.0. Hydraulic Modeling – 1D Subsurface Network\n## 3.1. Manholes, Surface Inlets, and other Nodes\n## 3.2. Sub-surface Pipes\n# 4.0. 2D Surface and Hydrology\n## 4.1. 2D Zone\n## 4.2. Infiltration Zone","[{\"question\":\"What is the purpose of the InfoWorks ICM Modeling Standards, Practices, and Guidelines document?\",\"answer\":\"It provides standards, practices, and guidelines intended to supplement related hydraulic and hydrologic modeling guidance for use with InfoWorks ICM.\"},{\"question\":\"What topics are covered in the modeling approach overview?\",\"answer\":\"It covers the InfoWorks ICM database structure, data sources, governing assumptions, and a recommended workflow.\"},{\"question\":\"How does the document structure hydraulic and hydrologic modeling guidance?\",\"answer\":\"It separates guidance for 1D subsurface networks (including nodes and subsurface pipes) and 2D surface and hydrology (including 2D zones and infiltration zones).\"}]","INFOWORKS ICM Modeling Standards, Practices, and Guidelines - Denver Department of Transportation and Infrastructure - May 2026 | PDF",192]