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Planning Models

    Certified and other national models, guidance, and PCX links.

    Certified Models
    These models have met all requirements and are certified for use on planning studies.
    • Beach-fx 1.0 (Certified)
        BEACH-fx is a certified prototype shore protection engineering-economic software tool. The model consists of a Monte-Carlo simulation that evaluates reach erosion, physical storm impacts, and damages that occur from a storm passing a shore. The goal of this project is to produce a tool to assist engineers in coastal nourishment and rehabilitation studies.
    • HarborSym (Certified)
        HarborSym is a planning-level simulation model designed to assist in economic analyses of coastal harbors. With user-provided input data, such as the port layout, vessel calls, and transit rules, the model calculates vessel interactions within the harbor. Unproductive wait times result when vessels are forced to delay sailing due to transit restrictions within the channel; HarborSym captures these delays.
    • HEC-FDA : Flood Damage Reduction Analysis Software 1.4 (Certified)
        This certified software provides the capability to perform an integrated hydrologic engineering and economic analysis during the formulation and evaluation of flood risk management plans. HEC-FDA is designed to assist US Army Corps of Engineers (USACE) study members in using risk analysis procedures for formulating and evaluating flood risk management measures (EM 1110-2-1619, ER 1105-2-101).
    • HEC-FIA 2.2 (Certified)
        The Hydrologic Engineering Center's (HEC) Flood Impact Analysis (HEC-FIA) software is a tool to help identify the consequences from a single event. HEC-FIA was developed by HEC in collaboration with the Risk Management Center (RMC) and the Engineering Research and Design Center (ERDC). HEC-FIA evaluates consequences from events defined by hydraulic model output such as gridded data (e.g., depth and arrival time Grids) or HEC's Data Storage System (HEC-DSS) Stage Hydrographs. The consequences HEC-FIA computes include economic losses (losses to structures and their contents), agricultural losses, and expected life loss from these hydraulic events.
    • IWR Planning Suite 1.0.11.0 (Certified)
        This model assists with formulating plans, cost-effectiveness, and incremental cost analysis, which are required in ecosystem restoration projects.
    • IWR Planning Suite 2.0.6 (Certified)
        This model expands Version 1.0.11.0 by adding an "annualizer" module. This module allows for easy calculations of equivalent annual average values, total net values, annualizing non-monetary benefits, and calculating costs.
    • IWR Planning Suite II (version 2.0.9) (Certified)
        IWR Planning Suite II (version 2.0.9) includes the following modules to assist with plan formulation and evaluation: Plan Generator; Cost-Effectiveness and Incremental Cost Analysis (CE/ICA); Annualizer; Multi-Criteria Decision Analysis (MCDA); Uncertainty Analysis; and Watershed Wizard. This version of the software provides improved performance across all modules, a new user interface and database, and more robust reporting capabilities than previous versions. Please refer to the 31 May certification memo for conditions regarding use of this model.
    • ORNIM (Certified)
        Ohio River Navigation Investment Model (ORNIM) is a planning-level model developed by the Corps of Engineers to assist in economic analysis of proposed inland navigation investments. OR-NIM was first used in the Ohio River Mainstem Systems Study (ORMSS) to develop a system investment plan incorporating risk and uncertainty, and made possible the first systemwide optimization of navigation investments.
    • Regional Economic System (RECONS)
        A regional economic impact modeling tool that estimates jobs, income, sales, and value added associated with Corps Civil Works and ARRA spending, as well as stemming from effects of additional economic activities (for example, water transportations, tourism spending, etc) at more than 1,400 Corps project areas.
    • Section 902 Analysis Certified Tool
        Section 902 of the Water Resources Development Act (WRDA) of 1986 defines the maximum amount that a project may cost. This is often called the 902 Limit or Project Cost Cap. It is, "The maximum project cost limit imposed by Section 902 is a numerical value specified by law which must be computed in a legal manner (ER 1105-2-100 Appendix G)." This tool assists with this calculation.
    • Unit Day Value (UDV) tool
        The Unit Day Value (UDV) tool is a certified spreadsheet intended to calculate recreation values. Please note the policy limitations on using UDV and also ensure that the current year's version (updated annually) is being employed.

    National Models In Review
    • HEC-EFM Plotter: Ecosystem Functions Model Plotter (In review)
        HEC-EFM Plotter is designed to help users view, navigate, and interpret output generated by HEC-EFM. Available outputs are automatically imported as a series of "Standard Plots" for the flow regimes and relationships being analyzed in HEC-EFM.
    • HEC-EFM: Ecosystem Functions Model (In review)
        The Ecosystem Functions Model (HEC-EFM) is designed to help study teams determine ecosystem responses to changes in the flow regime of a river or connected wetland. HEC-EFM analyses involve: 1) statistical analyses of relationships between hydrology and ecology, 2) hydraulic modeling, and 3) use of Geographic Information Systems (GIS) to display results and other relevant spatial data.
    • HEC-LifeSim (In review)
        HEC-LifeSim is the Hydrologic Engineering Center's life loss and direct damage estimation software. HEC-LifeSim is an agent based simulation system for estimating life loss with the fundamental intent to simulate population redistribution during an evacuation. Life loss and economic damages are then determined by the hazard (e.g. flooding).
    • HEC-WAT: Watershed Analysis Tool (In review)
        The Watershed Analysis Tool (HEC-WAT) software developed by the US Army Corps of Engineers' Hydrologic Engineering Center (HEC) is a tool that streamlines the analytical and reporting processes of software commonly used by the multi-disciplinary teams in Corps offices for water resources studies. The WAT accomplishes this through a common graphical user interface in the PC environment.

    Ecosystem Restoration Model Library
    The Ecosystem Restoration Planning Center of Expertise Model Library is intended to serve planners and practitioners of ecosystem restoration by consolidating and providing access to information about ecosystem restoration planning models and software.

    Other Model Documentation

    Guidance

    Planning Centers of Expertise

 Corps Castle Item is restricted to U.S. Army Corps of Engineers, CAC required. Document will open in a new window.