Soilless Landfill Cover Systems 2017 Missouri Waste Control Coalition Conference Clay Reichert, P.E. Technical Manager, Eastern U.S. and Eastern Canada
Types of Soilless Cover Systems Artifical Turf Cover System • No erosion • Great aesthetics • Higher initial cost than exposed geomembrane • Lower long-term cost than soil cover system High Performance Green Exposed Geomembrane • No erosion • Good aesthetics • Lower initial cost than artificial turf or soil cover • Lower long-term cost than soil cover system 2
Conventional Soil Cover v. Soilless Cover Systems Conventional Soilless Soil Cover Cover Import of cover soil Yes No Import of top soil Yes No Veneer stability Yes No Drainage geocomposite needed Yes No Watering grass in perpetuity Yes No Fertilizing grass in perpetuity Yes No Repairing erosion in perpetuity Yes No Mowing grass in perpetuity Yes No Increased airspace No Yes Carbon footprint Higher Lower Warranty of cover material None 30 years Long-term cost of ownership Higher Lower 3
GSE EXPOSED GEOMEMBRANE COVER SYSTEMS
Polk County, FL - EGCS Installed in 2001 – Has survived 3 hurricanes that passed over landfill in 2004. Polk County has been impressed with the performance of the exposed cap. ENGINEER – Jones & Edmunds INSTALLER – IT Corp 5
Midshore I Regional Landfill Closure Geomembrane • GSE Green High Performance HDPE • 60mil Textured • 20-yr Non-prorated Warranty Earth Anchors • Platipus Percussion Driven Earth Anchors • Equilateral Triangle Grid • Spacing – 22-feet • Pre-load – 1,800 lbs ENGINEER – Geosyntec Consulting INSTALLER – Chesapeake Containment Systems 6
Midshore I Regional Landfill Closure 7
Midshore I Regional Landfill Closure 8
Midshore I Regional Landfill Closure 9
LITEEARTH ARTIFICIAL TURF COVER SYSTEM
Synthetic Turf - Alternative Closure Solution 11
Act Global - Worldwide Leader in Synthetic Turf 12
Subtitle D Compliant Closure 13
Key Components 14
Key Material and Components 15
Turf has Maximum UV Inhibitors 16
Key Materials and Components 17
Monolithic Liner System 18
Key Materials and Components 19
Anchor Installation 20
Proven Seaming Technology 21
Efficient Installation 22
Installation Illustration 23
Extensive Testing – See Independent Third Party Performance Testing Report by Dr. Dhani Narejo 24
Large Scale Flume Testing (ASTM 6460) by TRI in Greenville, SC 25
Performance Comparison 26
EPDM Long-Term Performance 27
Long-Term Value and Payback 28
QUESTIONS Clay Reichert, P.E. creichert@gseworld.com 404-596-1838 Technical Manager, Eastern U.S. and Eastern Canada 29
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