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University of Wisconsin‐MadisonEngineering Professional Development

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A data (*.dat) file that describes an “average” condition for a land use

Conditions based on numerous field measurements Has a default area of 100 acres Standard Land Use general categories are:

There are about 42 “default” SLU files

Residential InstitutionalCommercial IndustrialFreeway Other Urban (open space)

What is a Standard Land Use File?

What is a Standard Land Use File?

SLU files are defined in the Help File (remember “F1”):

Types of Source Areas for Each Landuse Roofs Paved Parking/Storage Driveways Sidewalks Playgrounds Streets Small Landscape Large Landscape

Unpaved parking Undeveloped Areas Isolated Areas Other Pervious Areas Paved Lane & shoulder Other connected areas

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Development Characteristics for Each Source AreaRoofs Area % Connected Pitched or notPaved Parking Area % ConnectedDriveways Area % Connected

Streets Length Pavement Texture Area AlleysSmall Landscape Area Soil type

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Number of Survey Sites for Each Landuse in Generic Files ‐ Total 348 High Density Res. ‐ 30 Med. Density Res. ‐ 74 Low Density Res. ‐ 20 Multi. Family Res. ‐ 38 High Rise Apts. ‐ 4 Strip Commercial ‐ 28 Shopping Center ‐ 15 Office Parks – 10 Misc. Institutional ‐ 10

Downtown ‐ 10 Med. Industrial ‐ 13 Light Industrial ‐ 17 Hospitals ‐ 9 Schools ‐ 22 Cemeteries ‐ 4 Parks ‐ 7 Undeveloped – 3 Hotel ‐ 9

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Percent Connected Imperviousness for Different Landuses

0102030405060708090

100

% C

onne

cted

Impe

rvio

usne

ss

SC CST HOSP LI HIR MF HRNA MRNA LR OSUD

Medium Density Residential Development CharacteristicsSource              % Area Roofs 15% Driveways 8% Sidewalks 2% Streets 13% Lawns 62%

Other CharacteristicsRoofs: Pitched; % connected = 30%; Sandy Soils.

Driveways: % connected = 70%; Low/Med. Density

Streets: Texture = smooth; Length = 2 mi.; Dirt Accumulation = default value.

Commercial (Shopping Center) Development Characteristics Roofs 22% Parking Lots 61% Driveways 2% Sidewalks 0.5% Streets 6% Lawns 8.5%

Roofs: flat 100% connected.

Parking Lot: 100% connected

Streets: Texture = intermediate; length = 1 mile; dirt accumulation = default

Lawn: soils = clayey 

When / Why Use Standard Land Use Files?

When analyzing some large site developments such as:Residential SubdivisionsOffice Parks

or . . .

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When / Why Use Standard Land Uses?

… When looking to retrofit a BMP within a urban subbasin.

3.50 acre Medium Density Residential

Potential Retrofit BMP Site

Standard Land Uses

To Access a Standard Land Use, select an Icons’ Land Use Label,  right‐mouse click to get the pop‐up menu, and then select the ‘Apply Standard Land Use’ option

Select ‘Run’ then ‘Run Batch Editor…’

1 – Double‐click on the desired SLU

2 – Enter the area of each soil type

3 – Press the ‘Create Land Use and Exit’ button

Applying Standard Land Use data to a Land Use

Standard Land Use Source

Areas applied to the

Downtown Commercial

Land Use

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All Standard Land Uses are stored in an Access Database

University of Wisconsin‐MadisonEngineering Professional Development

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