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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

Bioenvironmental Engineering Design I

Fall 2010

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

Room 232 ENRS Building; 908-229-0210

course information
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.

bioenvironmental engineering
Bioenvironmental Engineering
  • Concerned with maintaining the quality of our environment
  • Apply physical, biological, and chemical sciences to design solutions for environmental issues
stormwater management
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

stormwater management5
Stormwater Management

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

stormwater management6
Stormwater Management
  • Three Basic Levels of Management
    • Regional/Watershed Scale
    • Community or Neighborhood Scale
    • Site/Block Scale
conventional development
Conventional Development

Centralized Pipe and Pond Control

Source: Bill Young

low impact development
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.



Source: Bill Young

lid approaches
LID Approaches
  • Conservation Design
    • Cluster Development
    • Open Space Preservation

Source: Pennsylvania State Department of Environmental Protection

lid approaches13
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

lid approaches14
LID Approaches
  • Runoff Storage Practices
    • Rain Barrels and Cisterns
    • Green Roofs

Rain Cistern

ACROS Fukuoka Building in Fukuoka, Japan

Rain Barrel

lid approaches15
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

  • 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
sustainable site design
Sustainable Site Design

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

sustainable site design19
Sustainable Site Design
  • Geothermal Energy
  • Solar Energy
  • Wind Power
  • Onsite Wastewater Treatment Systems
assignment 1
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