Description
Full Project Description Located at: View PDF
Site Location: US EPA Region 5(1) Ottawa River, Toledo,
Ohio
Project Status: Completed in September 1999
Setting / Purpose: River (freshwater) with estuary
characteristics. Encapsulation of contaminated sediments.
Contaminant(s) of Concern: PCBs (polychlorinated
biphenyls), various metals
AquaBlok Cap Design / Site Area: Three different cap
designs of approximately equal area and occurring within three different
sections of the site (Section A, Section B, and Section C): . Section A
cap: Design comprised of a layer of hydrated AquaBlok (~5-6 inches or
~13-15 cm in target thickness). . Section B cap: Design comprised of a
basal geogrid component (Tensar) covered by a layer of hydrated AquaBlok
(~5-6 inches or ~13-15 cm in target thickness). . Section C cap: Design
comprised of a basal geogrid component (Tensar) covered by a layer of
hydrated AquaBlok (~5-6 inches or ~13-15 cm in target thickness) covered
by a surficial layer of stone-armor material (~2 inches or ~5 cm intarget
thickness). . The site area was 9,950 square meters (107,000 square
feet).
Method of Placement: Various methods demonstrated,
including: telescoping - articulating conveyor (barge- and shore-based),
crane plus clamshell (shore-based), helicopter with specially designed
material drop bags.
Peruse EPA Region 5(1) Website
Companies On This Project
ADVENTUS GROUP
