Subsurface Drainage/Methods | Are they Effective?

Presented by Garry McFarlane, CPESC, CTR

Garry McFarlane, CPESC, CTR

Product Development Manager - Tritan Environmental Containment

I have been in Construction Industry for 35 years, the last 23 in Geosynthetics & Erosion & Sediment Control. I am a CPESC, A - 30 year member with Construction Specifications Canada. Attended Red River College- Structural/Building Technology and Architectural Drafting.