lid and bmp modeling in infoswmm and h20map swmm · pdf filelid and bmp modeling in infoswmm...

LID and BMP Modeling in

InfoSWMM and H20Map SWMM

LID Controls

Rain Barrel

Bio-Retention

Infiltration Trench

Porous Pavement

Vegetative Swale

Table of Contents

7/4/2012 Engineering Technical Services Page - 2

Low Impact Development (LID) 3

Low Impact Development (LID) 4

LID Controls and Connection to the Subcatchments 5

Simulation Options for LID’s 6

Water Quality Features 7

External Loading Buildup 8

Simulation Options for Quality 9

Buildup/Washoff Options 10

LID’s are Unlimited Per Subcatchment 11

Map Display of the Number of Units per Subcatchment 12

LID Controls in DB Tables 13

LID Layers 14

LID Storage Layer 15

LID Process Components 16

LID Processes 17

LID Usage in DB Tables 18

LID Usage at the Subcatchments 19

Rain Barrel LID 20

Swale LID 21

Components Per Subcatchment 22

LID Report Variables 23

LID Report Text File 24

LID Summary Report 25

LID Report at a Time Step 26

LID Graphs by Subcatchment 27

LID Import and Export to SWMM 5 28

Low Impact Development (LID)

Low Impact

Development features

are small and part of

the subcatchment

runoff flow. They are

best simulated as part

of the subcatchment

and to be successfully

modeled they need to

be varied and

unlimited in number.

Low Impact Development (LID)

Low Impact

Development features

are small and part of

the subcatchment

runoff flow. They are

best simulated as part

of the subcatchment

and to be successfully

modeled they need to

be varied and

unlimited in number.

LID Controls and Connection to the

Subcatchments

LID Controls

Rain Barrel

Bio-Retention

Infiltration Trench

Porous Pavement

Vegetative Swale

Pervious Area

Aquifer

Infiltration, Runoff,

Evaporation

LID’s and BMP’s

Simulation Options for LID’s

1. Evaporation and infiltration losses from

Storage nodes under Kinematic Wave and

Steady Flow.

2. Unlimited Low Impact Development/BMP

controls per Subcatchment connected to

infiltration and aquifers.

3. Pollutant buildup over a given landuse can

now be specified by a time series instead

of just a buildup function.

4. Improved linkages between lakes, flow

routing, evaporation and infiltration.

Pervious Area

Aquifer

Infiltration, Runoff,

Evaporation

LID’s and BMP’s

Water Quality Features

Buildup

Washoff

Routing

• None

• Power

• Exponential

• Saturation

• External

• None

• Exponential

• Rating

• EMC

• Buildup Load

• Deposition Load

• Sweeping Load

• BMP Removal

• Infiltration Load

• Washoff Load

External Loading Buildup

New Feature: You can now have an

external time series loading of

subcatchment buildup as well as no buildup

or the various functional buildup.

Simulation Options for Quality

H2S Corrosion SWMM 5 Trace Sediment

Other Powerpoint Files describing Water

Quality in InfoSewer and InfoSWMM can

be found here

\\Seraph\Users\Dickinson\InfoSWMM11\LI

D_BMP_WQ

Buildup/Washoff Options

Saturated

Exponential

External

Buildup

Exponential

Rating Curve

Washoff

LID’s are Unlimited Per

Subcatchment

Map Display of the Number of Units

per Subcatchment

LID Controls in DB Tables

The types of LID

Controls are defined in

the LID Controls DB

Table or in the Operation

Tab of the Attribute

Browser.

LID Layers

Surface

Storage Pavement

Underdrain

LID Storage Layer

Thickness

Void volume /

total volume

saturated hydraulic

conductivity

Clogging factor

LID Process Components

Drain+

Storage+

Pavement+

Surface+

LID Type

A LID Process consists of five structured

components or layers:

1. Drain

2. Storage

3. Soil

4. Pavement

5. Surface

LID Processes

Sub Processes

Processes Sub Areas Input

Precipitation

Pervious

Snow Coverage

Snow Melt

Evaporation

Storage

Runoff LID

Infiltration Ground Water

Impervious

Snow Cover Snow Melt

Evaporation

Storage

Runoff LID

Surface

Thickness

Void Fraction

Roughness

Pavement Thickness

Thickness

Storage Thickness

Storage K Sat

Drain Coefficient

Drain Offset

LID Usage in DB Tables

The types of LID Usage

are defined in the LID

Usage DB Table or at the

Subcatchment Browser

Level.

LID Usage at the Subcatchments

The Number and

Type of LID Usage

along with their

Characteristics are

defined for each

Subcatchment using

the LID Icon.

Rain Barrel LID

Storage Flux = StorageInflow - StorageOutflow

Surface Flux = SurfaceInflow - StorageInflow

Soil flux = 0

Swale LID

Wilting Point

Saturation * (Porosity – Wilting

Point)

Soil Moisture

Components Per Subcatchment

In InfoSWMM you can

simulate unlimited

pollutants for unlimited

landuses per

subcatchment or

watershed with unlimited

LID or BMP Units.

LID Report Variables

LID Report

Variables

Surface Inflow

Evaporation

Surface Infiltration

Soil Percolation

Storage Infiltration

Surface Outflow

Storage Outflow

Surface Depth

Soil Moisture

Storage Depth

LID Report Text File

LID Summary Report

LID Report at a Time Step

LID Graphs by Subcatchment

LID Import and Export to SWMM 5

InfoSWMM

SWMM 5.0.022 Engine

Import of v1 to v22 SWMM 5

Export of Files to SWMM 5.0.022

SWMM 5 Calibration

lid and bmp modeling in infoswmm and h20map swmm · pdf filelid and bmp modeling in infoswmm...

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