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Bioenvironmental Engineering Design I . Fall 2010 Dr. Christopher Obropta, Ph.D., P.E. Room 232 ENRS Building; 908-229-0210. Course Information. TOPIC: Low Impact Development and Sustainable Site Design Meeting Time Contact Info Goals and Objectives of Course.

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Bioenvironmental Engineering Design I

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Bioenvironmental Engineering Design I

Fall 2010

Dr. Christopher Obropta, Ph.D., P.E.

Room 232 ENRS Building; 908-229-0210

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Course Information

TOPIC: Low Impact Development and Sustainable Site Design

Meeting Time

Contact Info

Goals and Objectives of Course

Christopher Obropta, Ph.D., P.E.

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Bioenvironmental Engineering

  • Concerned with maintaining the quality of our environment

  • Apply physical, biological, and chemical sciences to design solutions for environmental issues

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Stormwater Management

Stormwater Runoff

Result of Development

  • Impervious Surface Additions

  • Soil Compaction

  • Removal of Trees and Vegetation

    Infiltration, Interception, and Evapotranspiration Reduced

    Overland Flow Increased

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Stormwater Management

Stormwater identified as a leading source of pollution for all waterbody types in the U.S.

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Stormwater Management

  • Three Basic Levels of Management

    • Regional/Watershed Scale

    • Community or Neighborhood Scale

    • Site/Block Scale

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Conventional Development

Centralized Pipe and Pond Control

Source: Bill Young

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Low-Impact Development

LID is an approach to land development (or re-development) that works with nature to manage stormwater as close to its source as possible. LID employs principles such as preserving and recreating natural landscape features; and minimizing effective imperviousness to create functional and appealing site drainage that treats stormwater as a resource rather than a waste product.


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Source: Bill Young

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LID Approaches

  • Conservation Design

    • Cluster Development

    • Open Space Preservation

Source: Pennsylvania State Department of Environmental Protection

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LID Approaches

  • Infiltration Practices

    • Permeable Pavement

    • Disconnected Downspouts

    • Rain Gardens, Bioretention Basins, Other Vegetated Treatment Systems


Rutgers Water Resources Rain Garden

Walnut Avenue School, Union County NJ

Collects and treats runoff from adjacent parking lot

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LID Approaches

  • Runoff Storage Practices

    • Rain Barrels and Cisterns

    • Green Roofs

Rain Cistern

ACROS Fukuoka Building in Fukuoka, Japan

Rain Barrel

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LID Approaches

  • Alternative Landscaping

    • Native, drought-tolerant plants

    • Reforestation

    • Soil Amendments

Cardinal Flower

Turks-cap Lily

Blue Flag Iris


Source: New Jersey Native Plant Society

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  • Environmental

    • Pollution abatement

    • Protection of downstream waterbodies

    • Groundwater recharge

    • Reduced treatment costs and improved water quality

  • Ancillary

    • Reduced flooding and property damage

    • Aesthetic value

    • Public space/Quality of life

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Sustainable Site Design

Encompasses green measures used in site design for issues beyond stormwater management

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Sustainable Site Design

  • Geothermal Energy

  • Solar Energy

  • Wind Power

  • Onsite Wastewater Treatment Systems

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Assignment 1

Prepare a 10-12 page paper on a sustainable practice. Due September 28th

Present your findings to the class in a 10-15 minute powerpoint presentation during the week of October 4th

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