Low Impact Development & Storm-EZ

Pre-construction   post construction bmp

About the workshop:

Low Impact Development (LID) strives to mimic a site's natural hydrology by disconnecting built-upon areas and incorporating design techniques that infiltrate, filter and evaporate runoff. LID can make efficient use of the landscape by using open space that is intended for preservation as a means to manage and treat stormwater. When designed and maintained appropriately, LID can reduce "hard" infrastructure costs, increase lot yields and enhance water quality protection.

The state, in cooperation with many private and public sector partners, has developed a technical definition for LID. The state has also updated many chapters of the Best Management Practices (BMP) Manual to allow designers more options for infiltrating, filtering and evaporating stormwater runoff. These chapters include infiltration, disconnected built-upon area, rainwater harvesting and green roofs.

The Storm-EZ Permitting Tool has been developed by Withers & Ravenel in partnership with NCDENR, NCSU-BAE, the NC Coastal Federation, and the NC LID State Technical Review Team. Storm-EZ is an Excel spreadsheet-based stormwater permitting tool with computations based on the SCS Discrete Curve Number Method and current research findings on hydraulic and hydrologic performance of BMPs. Designers enter pre-development and post-development land use data and design data for stormwater practices. Then, Storm-EZ reports whether the project meets stormwater regulations and also quantifies where the project falls in the conventional-to-low impact spectrum.

When Storm-EZ is finalized, it will replace the general state stormwater permit application form, the separate BMP Supplement Forms (currently one per device is required), and the Operation and Maintenance agreements.

This workshop will include separate presentations on each of the new BMP Manual Chapters. After that, the new Storm-EZ tool will be debuted and participants will learn how to use Storm-EZ to analyze site plans and estimate the conventional versus low impact fates of runoff to determine if a site meets the state's new LID defnition. Workshop participants are encouraged to bring a laptop with Excel to class. Click here to download the workshop AGENDA.

The training will be from 9:00am to 5:00pm on Day 1 (registration at 8:30 am with class starting at 9:00am), and 8:30am to 12:00pm on Day 2.

Workshop Dates/Locations

January 29-30, 2015 - Raleigh
JC Raulston Arboretum
4415 Beryl Rd.
Raleigh, NC 27695

Click here to REGISTER ONLINE for Jan. 29-30.

Continuing Education: This workshop is approved for 10 professional development hours (PDHs) by the NC Board of Examiners for Professional Engineers and Land Surveyors. 10 CEUs have been approved by the NC Board of Landscape Architects; Course # 10031. 9.5 credit hours are approved by the American Planning Association for AICP members.


  • Bill Hunt, PhD, PE, NC State University, Dept. of Biological & Agricultural Engineering
  • Annette Lucas, PE, North Carolina Division of Energy, Mineral and Land Resources
  • Andrew Anderson, EIT, NC State University, Dept. of Biological & Agricultural Engineering
  • Hunter Freeman, Withers & Ravenel

Who Should Attend

  • Engineers, Landscape Architects, Plan Reviewers, Regulators/Government Officials, and other professionals

Workshop Fees

Early bird: $225
Regular: $275

Early bird fees apply if registering at least 2 weeks in advance of the workshop date. Within 2 weeks, regular fees apply.
Fees include break service, lunch and workshop materials.

We accept Visa, Mastercard, American Express or check. If paying by check, make your check payable to NCSU-BAE. Mail your check and copy of your registration form to:
Campus Box 7625
Raleigh, NC 27695
Attn: Christina Shepard

Hotel Suggestions

Raleigh Workshop:

Holiday Inn Express & Suites, 3741 Thistledown Drive, Raleigh, NC 27606;
Ph: 919-854-0001

Doubletree by Hilton Brownstone, 1707 Hillsborough St., Raleigh, 27605; Ph: 919-828-0811

Comfort Inn Arena, 1200 Hurricane Alley Way at Trinity Rd. , Raleigh 27607; Ph: 919-854-0502

Boone Workshop:

Sleep Inn, 163 Hwy 105 Extension, Boone, NC 28607; Ph: (828) 262-0020

Wilmington Workshop:

Hampton Inn, 1989 Eastwood Road, Wilmington, NC, 28403; Ph: 1-910-256-9600

Charlotte Workshop:

A small block of rooms has been held at the Hilton Garden Inn. The rate is $149 per night plus tax (currently 15.25%). Please call the hotel directly to book this rate. The deadline to reserve your room is 5pm, August 7, 2014. Group rates are not guaranteed after this date. Hotel guest parking is $10 per day or $15 per day for Valet.

Hilton Garden Inn, 508 E. Martin Luther King Jr. Dr.
Charlotte, NC 28202; Ph: 1-704-347-5972


Contact Cathy Smith or Christina Shepard for questions about registration:
cathy_smith@ncsu.edu or 919-515-6780
chrissie_shepard@ncsu.edu or 919-513-2192