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GeoHECHMS

CONTACT US DOWNLOAD FREE TRIAL
HEC-HMS Workflow Automation
Speeds-Up Your Engineering Projects
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GeoHECHMS

Greatly speeds up the process for creating, analyzing and reviewing stormwater models
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GeoHECHMS

Overview
Overview

What is GeoHECHMS?

GeoHECHMS greatly speeds up the creation, analysis, and review of stormwater models. It automates subbasin delineation, curve number (CN) computation using land use and soils maps, and lag time (time of concentration) computation. GeoHECHMS is a data wrapper to the industry-standard US Army Corps of Engineers HEC-HMS software using an AutoCAD compatible graphical user interface. Quickly compare different scenarios and alternatives, such as pre-development with different post-development designs. Rapidly construct, design, analyze and compare detention and retention ponds. Both US and metric (SI) units are supported.

See More Features
System Requirements

Work Faster with Automated Workflows

AutoCAD, MicroStation & ESRI ArcGIS compatible graphical interface to HEC-HMS

GeoHECHMS is an AutoCAD, MicroStation and ESRI ArcGIS compatible interactive 2D/3D graphical user interface data wrapper to the US Army Corps of Engineers HEC-HMS stormwater software.

Import a variety of different data quickly and easily into HEC-HMS

Import existing Army Corps HEC-HMS models and quickly georeference them to real-world maps using included georeferencing tools.

Work simultaneously on multiple HEC-HMS models

Work with multiple HEC-HMS projects simultaneously using the Multiple Document Interface (MDI), including copying and pasting of stormwater structures and other data between HEC-HMS projects.

Workflows

Easy to Learn and Use

Interact graphically with all HEC-HMS model elements. Effortlessly create and edit subbasins, detention ponds, routing reaches and other model elements by clicking and dragging. Uncomplicated dialog boxes allow easy data entry and review.

Unlimited Undo and Redo

Correct mistakes easily with unlimited Undo and Redo capability. Experiment with different engineering and management decisions. Rollback changes one at a time or select a group of changes from a visual selection list.

Expert Technical Support

Toll-free unlimited technical support by experienced HEC-HMS stormwater modelers is just a phone call away. Quickly resolve your stormwater modeling questions and complete your engineering project—our skilled, professional engineers are here to assist you.

Automated HEC-HMS Workflows

Greatly speed up stormwater projects with automated workflows to automatically delineate watersheds, compute curve numbers (CN), compute TOC & lag times, compute % impervious, assign design storms, size detention ponds, and generate engineering reports.

CAD & GIS Integration

Integrate HEC-HMS directly with AutoCAD (including AutoCAD Civil 3D), Bentley MicroStation and ESRI ArcGIS map data. Export completed HEC-HMS models and results to AutoCAD, MicroStation and ArcGIS.

Automated TOC & CN Computations

Automatically compute the longest flow path, assign sheet flow, shallow concentrated flow and channel flow segments. Use included land use mapping and soil mapping to automatically compute composite curve numbers (CN) in minutes.

See More Workflows

Features
Features

Easy to Learn and Use

Interact graphically with all HEC-HMS model elements. Effortlessly create and edit subbasins, detention ponds, routing reaches and other model elements by clicking and dragging. Uncomplicated dialog boxes allow easy data entry and review.

Unlimited Undo and Redo

Correct mistakes easily with unlimited Undo and Redo capability. Experiment with different engineering and management decisions. Rollback changes one at a time or select a group of changes from a visual selection list.

Expert Technical Support

Toll-free unlimited technical support by experienced HEC-HMS stormwater modelers is just a phone call away. Quickly resolve your stormwater modeling questions and complete your engineering project—our skilled, professional engineers are here to assist you.

Automated HEC-HMS Workflows

Greatly speed up stormwater projects with automated workflows to automatically delineate watersheds, compute curve numbers (CN), compute TOC & lag times, compute % impervious, assign design storms, size detention ponds, and generate engineering reports.

Export flood map animations to Google Earth. This is helpful for presentations on flood risk assessment and flood management.

MDI Multiple Model Editing

Load, edit, and run multiple HEC-HMS models simultaneously. The Multiple Document Interface (MDI) allows easy copying and pasting between models, quick comparisons of input data and results between scenarios, and other modeling efficiencies. Models can be displayed in tiled windows or tabbed views, providing greater productivity.

In addition to HEC-RAS’ default rectangular (structured) 2D computational mesh, the software can create an adaptive 2D mesh to better represent more complicated 2D flow conditions and structures. The software will automatically refine the 2D mesh where required, such as at a roadway crossing bridge opening

CAD & GIS Integration

Integrate HEC-HMS directly with AutoCAD (including AutoCAD Civil 3D), Bentley MicroStation and ESRI ArcGIS map data. Export completed HEC-HMS models and results to AutoCAD, MicroStation and ArcGIS.

Stamp bridge piers into the 2D mesh for the following pier shapes: Circular pier, Rectangular round nosed pier, Rectangular sharp nosed pier, Rectangular square nosed pier, Square pier. Interactively place and rotate the bridge piers relative to the roadway crossing.

Automated Watershed Delineation

Delineate subbasins and watersheds from 3D digital elevation terrain data. Utilize AutoCAD Civil 3D surfaces, MicroStation surfaces, contours, TINs, DTMs, DEMs, survey points, LiDAR, and other external digital elevation terrain data.

Detention Pond Designing

Quickly size and design detention and retention ponds for different design storms and engineering criteria. Develop outlet structures for different scenarios, considering both water quality and design storm requirements.

Complete HEC-HMS Support

Develop and compute HEC-HMS stormwater results directly within the software, no external data processing required. Read and write standard US Army Corps HEC-HMS data files, ready for regulatory agency submittal. In addition, HEC-1 models can be imported and updated to HEC-HMS.

What-If Scenario Manager Analysis

Compare different engineering models, such as existing and proposed development, different detention pond designs and more. This allows stakeholders to evaluate alternatives, allowing you to consider more innovative and environmentally sensitive designs.

Powerful Report Generation

Comprehensive, easy-to-read input data and output analysis reports can be automatically generated using provided drainage report templates. Reports can be customized to meet reviewing agency requirements.

Automated TOC & CN Computations

Automatically compute the longest flow path, assign sheet flow, shallow concentrated flow and channel flow segments. Use included land use mapping and soil mapping to automatically compute composite curve numbers (CN) in minutes.

Additional Features
Additional Features

More Accurate Models

Reduce time wasted with imprecise data. Easily integrate field collected
data in varying formats along with CAD and GIS data to update the
HEC-HMS model to accurately reflect field conditions.

Seamlessly Share Data with HEC-RAS

To improve productivity, the HEC‑HMS stormwater results computed within
GeoHECHMS will seamlessly migrate to HEC-RAS. This greatly increases the
speed at which users can perform HEC‑RAS flood studies, design bridge
and culvert roadway crossings, compute dam failures, and complete stream
restoration and alignment projects.

Work Directly on the Map

Blend Google or Microsoft Bing online maps and high-resolution aerial
imagery files directly into the HEC-HMS model. Quickly and easily
georeference existing HEC-HMS models to background maps, AutoCAD and
MicroStation drawings, or ArcGIS map data.

Purpose-Built Stormwater Design Tools

Integrated HEC-HMS stormwater design tools offer a more efficient way to
create and analyze a stormwater project, size and design detention
ponds, analyze dam failures and more. Update subbasin catchment
boundaries dynamically as terrain data is changed. Quickly define
detention ponds and outlet structures using specialized stormwater
tools.

2D & 3D Viewing and Editing

Shift seamlessly between 2D and 3D viewing perspectives to clearly
identify modeling issues and make changes. Freely rotate, pan, zoom, and
fly through the model to any perspective to review subbasins, detention
ponds, routing reaches and more.

Stunning Visualizations

Create stunning visualizations directly from the software of different
design alternatives to help better understand the impact of the design
on the community and the surrounding environment. Publish the HEC‑HMS
model directly to Google Earth for even greater visualization and
understanding of the project.

Complete Land Use Coverage

Complete land use coverage is provided for USA, Canada, Europe,
Australia and many other parts of the world. For the USA, land coverage
data is provided at a 100 x 100-foot grid cell size. This makes it
extremely easy to compute composite curve numbers, time of
concentrations, lag times and more.

Complete Imperviousness Coverage

Complete percent imperviousness coverage is provided for the USA at an
approximate 100 x 100-foot grid cell size. This allows a more accurate
stormwater model to be developed, allowing urbanization effects to be
directly incorporated into the stormwater model.

Integrated Cloud-Based Mapping

Utilize world-wide high-resolution 3D digital elevation terrain data
from map services for automated watershed delineation, computation of
time of concentration and lag time. Utilize web-based mapping services
for aerial orthophotos, FEMA flood maps, watershed delineation, river
centerline alignment, and more.

Digital Terrain Cross Section Cutting

Extract HEC-HMS routing reach cross sections from 3D digital elevation
terrain data. Utilize AutoCAD Civil 3D surfaces, MicroStation surfaces,
contours, TINs, DTMs, DEMs, survey points, LiDAR, and other external
digital elevation terrain data. Automatically convert the extracted
cross section to an equivalent 8-point cross section.

Automated Sequential Naming

For large models with numerous subbasins, routing reaches, junctions and
other stormwater elements, the software will automatically name the
elements based upon user-specified guidelines. The elements are named
sequentially, by routing distance or incrementally.

Powerful 64-bit, Multi-Core Support

Handle larger projects with powerful 64-bit, multi-core, parallel
processing support. This improves performance and stability for
memory-intensive tasks—including running HEC-HMS simulations faster.

Automated TOC & Lag Time

Rapidly compute SCS time of concentration and lag time using flow
segments of sheet flow, shallow concentrated flow and channel flow. The
software will automatically compute overland flow lengths, slopes and
travel times based upon digital terrain surfaces and land use coverages.

Automated Design Storm Assignment

The software will automatically determine the design storm and
corresponding precipitation based upon the project location anywhere
within the USA. It will determine the design rainfall for the 1, 2, 5,
10, 25, 50, 100, and 500-year storms by querying the NOAA Precipitation
Frequency Data Server.

Automated CN Computations

Quickly compute composite SCS curve numbers (CN) and percent
imperviousness based upon aerial mapping, GIS polygon land use, or just
by painting regions of land use on the screen. The software will
automatically compute a weighted average of the different land uses and
assign it to each subbasin.

Customer Stories
Customer Stories

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CRAFTON TULL
“Why doesn’t HEC-RAS do this?” was a question Anna Negrek of Crafton Tull would often ask before she started using GeoHECRAS…
  View

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INTEGRATED ENGINEERING
Water resource and project engineers at Integrated Engineering PLLC describe the substantial time and cost savings gained with use of GeoHECRAS…
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FTN ASSOCIATES
With GeoHECRAS, Lee Beshoner of FTN Associates explains that he can efficiently create surface files and generate model results quickly, effectively…
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BOLTON & MENK
Company engineers at Bolton & Menk praise GeoHECRAS’s ability to combine editing functionality, model manipulation and output in one integrated package…
  View

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LJA ENGINEERING
The firm of LJA Engineering struggled for years to match up AutoCAD survey information in a surface coordinate system with a GIS coordinate system before switching to GeoHECRAS…
  View

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THOUVENOT, WADE & MOERCHEN
Engineers at Thouvenot, Wade & Moerchen praise GeoHECRAS’s Scenario Manager tool, the ability to quickly set up surface geometries for hydraulic models, and…
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THE H.L. TURNER GROUP INC.
Engineers at H.L. Turner Group, Inc. observe that prior to using GeoHECRAS, the time needed to create a geometry file for a model was significant and could…
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LYON ENGINEERING
Brian Bucholtz of Lyon Engineering emphasizes how the GeoHECRAS software “pulls everything together” and allows him to seamlessly input data and project…
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MORRISON MAIERLE
Water resource engineers at Morrison Maierle discuss their ability to adjust a river model’s geometry very efficiently using GeoHECRAS…
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ILIFA AFRICA ENGINEERS
An engineering and land surveying firm that works extensively in floodplain delineation appreciates that GeoHECRAS brings base information together in one…
  View

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JE FULLER
JE Fuller tackles drainage projects all over the world as well as in the U.S. Chris Rod, engineer for over 40 years, appreciates that GeoHECRAS runs independently…
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GRUPPE WASSER
Prior to use of GeoHECRAS, civil engineer Marcus Prantl had difficulty creating accurate surface terrain, as well as delineating river reaches and bridges…
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BEPG
Denis Rouselle, engineer in charge of hydraulic studies, structural design and floodplain management studies in Nancy, France, confirms that prior to using GeoHECRAS…
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BARBAGELATA INGENIERÍA S.A.
Engineer Vanessa Gimenez explains her firms’ difficulty generating pre-processed and post-processed data for the many hydrologic 2D models developed by…
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ARTELIA MADAGASCAR
The time it took to enter data, run programs independently of one another, and then edit the output often left little time to review the results of river…
  View
Success Stories
Success Stories

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BOLTON & MENK
Company engineers at Bolton & Menk praise GeoHECRAS’s ability to combine editing functionality, model manipulation and output in one integrated package…
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[email protected]
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