PSLS Webinars

PSLS has scheduled live webinars for the third Wednesday of each month at noon. Sessions last one hour unless noted otherwise and many offer one Professional Development Hour. Check back for updates and to register for the latest webinar. 

Members of professional organizations in the geospatial or related fields (NSPS, AAGS, GLIS, PSPE) may receive a discount equal to the PSLS member discount. Please contact PSLS at 717-540-6811.

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Webinar Wednesday: Low Impact Development (LID)

Presented by: Paul A. DeBarry, P.E., P.H. D.WRE, GISP 

Date: August 19, 2015

Time: 12:00 PM


  • PSLS Members: $35
  • Non-Members: $50
  • Member of  Other  Professional Organization: $35

CE Credits: 1 PDH


DescriptionThis webinar will provide an overview of what low impact development(LID) is, its advantages to conventional design, review local site investigations required and open space design, will discuss design criteria and LID hydrology, and provide working examples of various types of LID and best management practices (BMPs) and where they are applicable.

An introduction/overview of open space designs, processes and best management practices (BMPs)
  • Introduction/Overview of LID
  • Local Site Investigation
  • Open Space Design
  • LID Hydrology/Stormwater Design Criteria
  • BMPs and Their Functions
    • Permeable materials
    • Bioretention areas/rain gardens
    • Street BMPs
    • Green roofs
    • Water harvesting
  • Retrofits
  • Case Studies

Presenter: Paul DeBarry, P.E., P.H. D.WRE, GISP is Technical Director of Geospatial Data Services and Watershed Management at NTM Engineering. and 30 years of experience in land development design, stormwater management, best management practices (BMP), Low Impact Development (LID) design, GIS, floodplain management, hydrology and hydraulics.  Paul’s book, published by John Wiley & Sons entitled “Watersheds: Processes, Assessment and Management” incorporates conservation and low impact design concepts for stormwater and sustainable watershed management.  He taught “Land Development Design” and helped teach “Computational Methods in Stormwater Management” short course at Penn State.  He prepared and taught a course on “Regional Stormwater Management” and “LID” for ASCE.  Paul has also presented many workshops on minimizing the impacts of stormwater runoff through smart land development practices; hydrology, hydraulics, modeling, and GIS.  

DeBarry also helped develop the PennDOT Drainage Manual. Paul also served on the Pennsylvania DEP Stormwater BMP Manual technical oversight committee and helped with educational workshops on manual implementation.  

Note: Members of other Professional societies such as PSPE, NSPS, ACSM, or other state surveying societies may register at the discounted price. In order to receive the necessary code, registrants must contact PSLS with proof of membership.

Future Webinars

September 16, 2015 - Precise Point Positioning
Presented by Ryan White

  2015 Webinar Sponsor

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