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Presenter: Christopher Sonne P.E., SITE AP

Seminar Date:

Seminar Location: Richmond, VA

Hyatt Place Richmond/Arboretum
201 Arboretum Place
Richmond, VA 23236
Phone: 804-560-1566

This seminar is closed or full.


Registration:                        8:00 - 8:30 am

Morning Session:                8:30 am - 12:00 pm

Lunch (On your own):         12:00 - 1:00 pm

Afternoon Session:             1:00 - 5:00 pm

Understanding Principles of Low Impact Development

   Understanding the status quo: conventional development 
      and stormwater management
   Drawbacks of conventional approaches
   Origins of low impact development (LID) concept
   Principles of LID
      • Stormwater 
      • Natural resource conservation
      • Circulation and site design 
      • Infrastructure access
   Benefits of LID for builders and municipalities
      • Environmental benefits 
      • Public
      • Municipal 
      • Developers

Launching LID Locally

   Reviewing federal and state codes and guidance
   Identifying local partners, synergies and incentives
   Exploring LID resources

Sustainable Onsite Stormwater Management

   Reducing disturbance and impervious surfaces
   Maximizing filtration and infiltration
   Minimizing conveyance off site

Onsite Stormwater Best Management Practices

   Choosing and designing best management practices (BMPs)
      • Bioretention
      • Dry wells
      • Filter strips
      • Vegetated buffers
      • Level spreaders
      • Vegetated swales 
      • Rain barrels
      • Rain gardens 
      • Cisterns
      • Infiltration trenches 
      • Pervious concrete/permeable pavers

Beyond Stormwater: Additional Site Design 
and Development Considerations

   Avoiding greenfields
   Repurposing existing sites
   Density and circulation
   Walkability and bikeability

Connectivity and Infrastructure Access

   Land use master plan
   Access to transportation services
   Public water supply and sewage systems
   Major neighborhood stakeholders

Credit Information:

Who Should Attend

  • Architects
  • Engineers
  • Contractors
  • Landscape Architects
  • Floodplain Managers

Professional Engineers
     7.0 Continuing Ed. Hours

     7.0 Continuing Ed. Hours (HSW)
     7.0 AIA HSW Learning Units

Landscape Architects
     7.0 Continuing Ed. Hours (HSW)
     7.0 LA CES HSW PDHs

Floodplain Managers
     7.0 ASFPM CECs

     Non-Credit Continuing Ed.

Continuing Education Credit Information

This seminar is open to the public and offers 7.0 continuing education hours to engineers, architects and landscape architects (HSW) in most states, including Virginia. Educators and courses are not subject to preapproval in Virginia.

This event has been approved by the American Institute of Architects Continuing Education System for 7.0 HSW Learning Units (Sponsor No. J885) and by the Landscape Architecture Continuing Education System for 7.0 HSW PDHs. Full attendance is required for course attendance reporting to AIA/CES and LA/CES.

HalfMoon Education is an approved continuing education sponsor for engineers in Florida, Indiana (License No. CE21700059), Maryland, New Jersey (Approval No. 24GP00000700), New York (NYSED Sponsor No. 35), North Carolina, and North Dakota. HalfMoon Education is deemed an approved continuing education sponsor for New York architects and landscape architects.

The Association of State Floodplain Managers has approved this event for 7.0 CECs.

This course offers a non-credit continuing education opportunity to construction contractors. It has not been preapproved in any state with contractor continuing education requirements.

Attendance will be monitored, and attendance certificates will be available after the seminar for most individuals who complete the entire program. Attendance certificates not available at the seminar will be mailed to participants within fifteen business days.
Non-Credit Continuing Ed.


Christopher Sonne P.E., SITE AP

Director of Engineering Services at Natural Resources Design Inc.

Mr. Sonne is a licensed professional engineer in Virginia, Maryland and the District of Columbia, as well as a LEED and SITES accredited professional. He is director of Engineering Services at Natural Resources Design Inc., a sustainable site design firm based in DC. Mr. Sonne is a Level 2 instructor in the Chesapeake Bay Landscape Professionals (CBLP) program and co-teaches a sustainable landscape graduate-level design course at George Washington University. With over 33 years of design and project management experience, his philosophy is that site designs should perform their required functions while also enhancing the aesthetics and overall function of the projects they serve.

Tuition Costs:

Standard Tuition: $289.00
Online Tuition (pre-registration): $289.00
Group Prices
3 or more people each: $269.00

Each registration includes one copy of a manual prepared by the seminar speakers.