Highly erodible slopes
Little-to-no reclaimable topsoil
Other revegetation options cost prohibitive
Significant rain event soon after installation
Verdyol Biotic Earth was applied at a rate of 3900 kg/ha. Separate tacking agents were not required as the erosion control used on the site was a Bonded Fiber Matrix that includes tackifying agents.
The decision was made to use Verdyol Biotic Earth as a topsoil alternative at a cost of only 54% what topsoil had been priced at. They chose S31 and S32 straw blankets as their erosion control on the project.
Seed and fertilizer were applied along with the standard application rate of 3,900kg/ha (3,500 lbs/ac) of Verdyol Biotic Earth. With no cure time, the erosion control blankets could be installed right after the Verdyol Biotic Earth was applied.
“Our expectations with the finished product have been far exceeded. Vegetation growth was rapid and consistent across the entire project site.”
– Harry Schroeder P. Eng. LEED AP Project Manager
Vegetation was established quickly and evenly, and withstood a significant rain event soon after installation of 100 mm (3.9 inches) over a two-day period. There has been no erosion to speak of due to the full vegetation that has been maintained on the site.