Concrete Cloth Slope Protection

Lansing, IL
Concrete Cloth™: Levee Slope Protection

Project Overview

After an inspection in early 2016, a flood protection levee along the Little
Calumet River was found to be out of compliance with the United States
Army Corps of Engineers (USACE) Levee Safety Program. In order to be
recognized by the Federal Emergency Management Agency as a certified
levee, a levee must meet the USACE levee certification requirements. This
certification required the City of Lansing working in conjunction with its
consultant (Robinson Engineering), to clear woody vegetation from the
levee face and prevent future growth. Additionally, the levee needed to be
protected from damage caused by burrowing animals. The root system
from woody vegetation/trees and tunnels from burrowing animals can
create a pathway for infiltration through the levee, causing piping, which
can ultimately lead to the levee's failure.


Robinson Engineering proposed to clear the levee slope of woody
vegetation and line the face with approximately 16,000 square feet of
Concrete Cloth CC8. The Concrete Cloth GCCM underlayment was used
to prevent the growth of trees and damage from tunneling rodents. Soil
anchors were used to hold the GCCM into the levee soil substrate prior
to placement of riprap. Riprap would be placed on the uncured CC8 fabric
prior to hydrating. An existing steel and concrete flood wall along the top of
the levee slope was the terminus of the fabric.

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