Building Forward: Principles of Successful LID Construction, Certification, Inspection and Maintenance

This course will be run in 3 sessions

  • December 1 – 9am – 11am
  • December 2 – 9am – 11am
  • December 3 – 9am – 11am

Course Description

Low Impact Development (LID), an innovative stormwater management approach that treats, infiltrates, filters, and retains runoff at the source, is quickly becoming the new norm in Ontario. This course will focus on three critical components of developing functioning LID practices: construction, inspection and maintenance.

LID Construction: Construction of LID practices involves techniques and specifications that differ from traditional stormwater management construction practices. Failing to follow proper LID construction processes can result in barren bioretention landscapes, clogged infiltration practices, uneven permeable pavements, and ultimately costly post-construction repairs. You will learn the principles of LID construction, potential errors, lessons learned and proper techniques.

Inspection and Maintenance: Integrating green stormwater infrastructure like low impact development (LID) best management practices (BMPs), into municipal asset management programs presents additional challenges to municipalities, but ways to overcome them do exist. You will learn about essential steps in program design, inspection and testing protocols, and the specific maintenance needs for bioretention and other LID practice types. Lessons learned from Ontario case studies will also be presented.

Learning Objectives

  • Identify how LID construction differs from the construction of a conventional stormwater management site.
  • Understand LID construction considerations from mass grading through final assumption.
  • Understand the materials used in bioretention and other common LID practices.
  • Know the common methods for constructing bioretention practices and specifying their materials along with other common LID practices.
  • Effectively stabilize and establish vegetated stormwater management practices.
  • Be aware of common construction pitfalls and how to avoid them.
  • Identify components of stormwater infrastructure asset management programs that are critical for developing the capacity to manage LID BMPs.
  • Recognize key components of LID BMPs that require inspection and maintenance and equipment needs.
  • Understand maintenance and operation procedures for bioretention and other LID practices.



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This training event was produced through the Climate Change Adaptation Platform, with support from Natural Resources Canada.