Category: LID

Low Impact Developmemt

Treatment in BMP’s and LID’s for SWMM5

Treatment in BMP’s and LID’s

5.1 Treatment

Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here

5.1.1 Background

Management of stormwater quality is usually performed through a combination of so-called “best management practices” (BMPs) and a form … Read the rest

LID Results – Summary Report for InfoSWMM and SWMM5

LID Results – Summary Report

The performance of the LID controls placed in a Subcatchment is reflected in the overall runoff, infiltration, and evaporation rates computed for the Subcatchment as normally reported by SWMM5. The SWMM’s Output Modeling Report also contains a section entitled LID Performance Summary that provides an … Read the rest

Treatment in BMP’s and LID’s for InfoSWMM and SWMM5

Treatment in BMP’s and LID’s

5.1 Treatment

Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here

5.1.1 Background

Management of stormwater quality is usually performed through a combination of so-called “best management practices” (BMPs) and a form … Read the rest

#SWMM5 Bio-Retention Cell LID Reference Values

Bio-Retention Cell LID Reference Values

Excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here

6.5 Parameter Estimates

The variety of LID controls modeled by SWMM introduces a significant number of design variables and parameters that must be … Read the rest

What are the Options for LID Inflow and Outflow In SWMM 5?

What are the Options for LID Inflow and Outflow in SWMM 5?

The Runoff Surfaces in SWMM 5 are:

1. Pervious area with either Green Ampt, Horton or CN Infiltration

2. Impervious area without Depression Storage or Initial Losses

3. Impervious area with Depression Storage or Initial Losses

Outflow Options Read the rest

Underdrains for LIDs, SuDs or WSuDs in #SWMM5

The reason for this blog: The following is an excerpt from the EPA manual Storm Water Management Model Reference Manual Volume III – Water Quality (PDF) which can be found here

Underdrains are used in the following LID Controls

6.5.1 Underdrains

Underdrains are either recommended or required when the natural … Read the rest

Simple SI Unit Model for SWMM5 LID with 100 mm Rainfall – Part 2

This blog is a companion to the blog post https://swmm5.org/2017/04/17/swmm5-simple-100-mm-rainfall-model-for-lid-modeling-part-1/ in which a 1 Hectare model with 100 mm of rainfall had a simple Bio-Retention Cell with no LID outflows. In part 2 of this blog series we will add a drain coefficient of 10 mm/hr (Figure 1). The internal … Read the rest

Tutorial 8 Optimizing Bio-Retention Cells for InfoSWMM Sustain

Tutorial 8 Optimizing Bio-Retention Cells for InfoSWMM Sustain

This example shows the importance of a treatment train, the percent imperious draining to the LID’s on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Bio Cells on the … Read the rest

Tutorial 7 Optimizing Swales in InfoSWMM Sustain

Tutorial 7 Optimizing Swales in InfoSWMM Sustain

This example shows the importance of a treatment train, the percent imperious draining to the LID’s on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Swales on the ten Subcatchments.… Read the rest

Tutorial 6 Optimizing Rain Gardens in InfoSWMM Sustain

Tutorial 6 Optimizing Rain Gardens in InfoSWMM Sustain

This example shows the importance of a treatment train, the percent imperious draining to the LID’s on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Rain Gardens on the … Read the rest

Tutorial 3 Optimizing Green Roofs in InfoSWMM Sustain

Tutorial 3 Optimizing Green Roofs in InfoSWMM Sustain

This example shows the importance of a treatment train, the percent imperious draining to the LID’s on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Green Roofs on the … Read the rest

Tutorial 2 Optimizing Rain Barrels for InfoSWMM Sustain

Tutorial 2 Optimizing Rain Barrels for InfoSWMM Sustain

This example shows the importance of a treatment train, the percent imperious draining to the LID’s on a Subcatchment, the importance of optimizing for the number of units, area and soil thickness. Sustain will optimize the number of Rain Barrels on the … Read the rest

Tutorial 11 Importing a LID from InfoSWMM LID Coverage DB Table to InfoSWMM Sustain

Tutorial 11 Importing a LID from InfoSWMM LID Coverage DB Table

In addition to the LID Candidates found by the Siting Manager or added by the Sustain User directly to the LID Candidates Grid you can also import any LID’s defined in the LID Usage DB Table. Three ways to … Read the rest

Tutorial 13 How are the Costs Used in the LID Candidate Table for InfoSWMM Sustain?

Tutorial 13 How are the Costs Used in the LID Candidate Table for InfoSWMM Sustain?

There are seven type of costs associated with a LID or SuDS in InfoSWMM Sustain as shown in the following table.

Type of Cost Description of Cost
Linear Cost Cost per linear unit of the
Read the rest

Tutorial 1 Creating a Simple Green Roof Optimization for InfoSWMM Sustain

Tutorial 1 Creating a Simple Green Roof Optimization for InfoSWMM Sustain

In Tutorial 1 we will use the Siting Manager to Site Green Roof LID Types for later Optimization and Export to the InfoSWMM LID Usage DB Table. Tutorial 1 is designed for first-time users of InfoSWMM Sustain and provides … Read the rest

General #LID Features in #InfoSWMM Sustain

General #LID Features in #InfoSWMM Sustain

The number of LID Controls is unlimited and very flexible. In addition to the 5 main LID controls:

1. Rain Barrel

2. Bio-Retention Cell

3. Infiltration Trench

4. Porous Pavement

5. Vegetative Swale

6. Green Roof

7. Rain Garden

8. Rooftop Disconnection

You can … Read the rest

Low Impact Development (LID) Representation in #InfoSWMM and Sustain

Low Impact Development (LID) Representation in #InfoSWMM and Sustain

LID controls are represented by a combination of vertical layers whose properties are defined on a per-unit-area basis. This allows LIDs of the same design but differing areal coverage to easily be placed within different Subcatchments in a study area. During … Read the rest

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