Detention Pond Design

Available Data

The following datasets (Table 2.1) are provided for Tutorial 03 in GeoSWMM Application Manual folder. Before going into detailed demonstration in following sections, the user should check if all of these are available.

Table 2.1 : Available Data for Tutorial 03

Folder Name

File Name

File Description

EPASWMM

Tutorial_03.inp

EPASWMM 5.1 model input file for Tutorial

3

Tutorial_03.gdb

Contains ArcGIS Pro geodatabase

files

GeoSWMM project geodatabase files for

Tutorial 03

Report

Schematic.jpg

A schematic map showing layout of the

conveyance network for Tutorial 03

Report

2yr.txt

A text file containing precipitation data of a 2- hour 2-year synthetic storm event, recorded in

inch/hour (i.e. intensity)

Report

10yr.txt

A text file containing precipitation data of a 2-

hour 10-year synthetic storm event, recorded in inch/hour (i.e. intensity)

Report

100yr.txt

A text file containing precipitation data of a 2- hour 100-year synthetic storm event, recorded

in inch/hour (i.e. intensity)

Report

Storage Curve.txt

A text file containing storage curve ordinates

used with a storage unit in the model (represents pond dimensions)

Report

Detention Pond.png

A schematic diagram of the detention pond

conceptualized in this Tutorial

Report

Section A-A.png

Cross-sectional view and dimensions at

Section A-A of the storage pond designed in this Tutorial

Report

Transect Data.xlsx

A Microsoft Excel containing cross section properties of irregular

conduits (natural channel)

Report

Results.xlsx

A Microsoft Excel containing model simulation result summary and design calculations made for the storage pond

components

Shape_Files

Rain Gages shape files, Subcatchments shape files, Junctions shape files, Storage Units shape files, Conduits shape files, Orifices shape files,

Weirs shape files, Outfalls shape files

GIS shape files of the model network for Tutorial 03.

GIS\Tutorial_03

Tutorial_03.aprx

An ArcGIS Pro project file that contains GIS

features and GeoSWMM project geodatabase files

Layer Files

Rain Gage.lyrx, Subcathcments.lyrx, Junctions.lyrx, Storage Units.lyrx, Conduits.lyrx, Orifices.lyrx, Weirs.lyrx

Outfalls.lyrx

ArcGIS Pro layer files which preserve feature symbology properties for the file Tutorial_03.mxd.

NB: Shape file attributes provided for storage units, orifices, and weirs are arbitrary. Their dimensions will be designed and updated in the GeoSWMM model of Tutorial-Detention Pond Design.