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Detailed Feature
List
Stand-Alone
Interface
Build your network in any order. Move, edit, and delete
elements as you please.
Create curved pipe alignments while laying out the
network
Insert new inlets into existing pipes with a click of
the mouse. The pipe will automatically split in two —
there's no need to delete and rebuild sections of your
model!
Create the system schematically if you choose, or work
to scale with a DXF background map.
Double click on any element to edit the properties and
view results.
Locate, view, and edit data quickly and easily, with
intuitive tools and well-organized dialogs.
Work comfortably and safely. StormCAD's unlimited Undo
and Redo can rescue you from inadvertent changes and
mistakes — even in AutoCAD.
Pipe & Gutter
Networks
Combine any number of separate storm sewer networks in a
single project file.
Direct any inlet’s bypass flow to any other inlet,
regardless of whether or not it is in the same pipe
network.
Examine the gutter networks graphically, with the pipe
networks as a "ghost" background.
Pipe
Hydraulics
Analyze pressure or partial (free surface) flow
conditions automatically, including transitions.
Hydraulic grade lines are calculated using standard-step
gradually varied flow algorithms. Using these robust
algorithms, StormCAD solves for subcritical, critical,
and supercritical conditions, all based on drawdown and
backwater.
Graphically view gravity pipe arrows to quickly see the
water's flow path
Use various pipe materials, including concrete, CMP,
PVC, and more, or, create your own. Choose different
section shapes for individual pipes: circular, box,
arch, or even elliptical.
Calculate using common friction methods. StormCAD
supports Manning, Kutter, Darcy-Weisbach, and
Hazen-Williams.
Analyze existing systems or create new designs, sizing
pipes, and setting inverts to your specifications.
Structure
Hydraulics
Perform inlet headloss calculations based on your choice
of FHWA HEC-22 Energy Loss, AASHTO, and other methods.
Take structure properties into account automatically,
including bend angles, structure geometry, benching, and
more.
View detailed reports with HEC-22 and AASHTO headloss
coefficient information
Drainage
Inlet Hydraulics
Determine intercepted flow and bypassed flow by
incorporating StormCAD's drainage inlet calculations.
Captured flow is automatically taken into account in the
piping network, and bypassed flow is automatically
routed to the appropriate bypass target.
Follow the methodologies outlined in the US Federal
Highway Administration (FHWA) Hydraulic Engineering
Circular 22 (HEC-22, formerly HEC-12). These methods
outline the procedures for performing hydraulic
calculations for a variety of inlet conditions.
Select from a wide range of inlet types, including grate
inlets, curb inlets, combination grate and curb inlets,
slot inlets, and ditch inlets.
Customize the engineering libraries to specify your own
drainage inlet dimensions and characteristics, or choose
from any of the numerous built-in standards.
Built-In
Hydrology
Use the widely accepted Rational Method, or specify your
own method by directly entering peak flows.
Specify equations, tables, or Hydro-35 for
Intensity-Duration-Frequency (IDF) data. You can then
plot the IDF curves, and reuse your data for all
projects in that region.
Work with an unlimited number of sub-watershed areas and
C coefficients for each inlet watershed.
Enter external contributing areas, additional flows, and
carryover flows to model non-local runoff contributing
to the discharge at any inlet.
Choose from one of several methods for computing travel
time, including full pipe velocity, normal velocity, and
average end velocity - or select the weighted average
velocity, which factors in the velocity at every step of
the gradually varied flow analysis!
Prevent artificially high runoff estimates for small
catchments by specifying a minimum allowable watershed
time of concentration.
Automatic
Design
Exploit StormCAD's technologically superior modeling
techniques that simplify the design process and enable
the modeler to achieve results more quickly.
Design pipes according to minimum and maximum
constraints, such as cover, velocity, and pipe slope.
Let StormCAD determine the required size of drainage
inlets, accounting for clogging, maximum spread, and
maximum depth constraints.
Match pipe crowns or inverts at structures with or
without offsets. You can even choose whether or not to
allow drop structures to avoid excessive slopes and
unnecessary pipe trench excavation.
Design the entire network, selected portions, or just a
single element. The scope of the design and the
conditions you impose are completely up to you.
Scenario
Management
Track design alternatives and "what-if" conditions
seamlessly using StormCAD’s powerful scenario management
features.
Minimize data entry, leverage ideas, and reduce the risk
of errors with full data inheritance features.
Flexible
Tables (FlexTables™)
Customize spreadsheet-style FlexTables for viewing,
editing, and reporting data. Include only the data you
want, in the order and the units you desire.
Sort and filter data, and globally adjust values using
mathematical operations.
Mix system elements (inlets, pipes, etc.) in your
tables, supporting required DOT report formats.
Display duplicate columns in different units, to help
you get a better "feel" for units that you aren't
familiar with.
Data Sharing
Draw on existing pipe data, network topology, and
digital terrain models within Autodesk Land Development
Desktop / Civil Design (LDD/CD) projects.
Connect your StormCAD model to GIS systems, databases,
and spreadsheets.
Handle different unit systems, different data types, and
even multiple data sources easily and without hassle.
Plan &
Profile Results
Color-code the system according to constraint
violations, flow rates, velocities, hydraulic grade, and
more. You can even use color-coding to indicate if the
model is ready to be calculated.
Keep your drawing text in synch with StormCAD's dynamic
annotation. Wording and values update automatically to
reflect changes in input data or calculated results.
Generate profiles from any inlet or junction in the
system. You control profile plots completely, choosing
which variables to display and the positions of
annotations (by dragging and dropping the text).
Customize profiles and other graphs by editing fonts,
colors, and text to match your desired output format.
Store,recall, and modify profiles within the Profile
Manager. Profiles are persistent, so you never have to
recreate a profile from scratch.
Create and apply Profile Templates. Similar to a
word-processing template, Profile Templates allow you to
specify default presentation characteristics for your
profiles, for everything from orientation and scale to
annotation placement and leader style.
Comprehensive
Reporting
Create detailed reports for any element or group of
elements. Data is presented in a logical, report-ready
format, and can be previewed in true WYSIWYG (what you
see is what you get) format.
Compare input and results from different scenarios, with
tools like comparative annotation.
Copy reports, profiles, and tables to the Windows
clipboard, for inclusion in your favorite word processor
or spreadsheet.
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