Chapter
Sep 12, 2019
15th Triennial International Conference
La Quinta Terminal Mitigation: Dredged Material Beneficial Reuse for Estuarine Habitat Creation
Authors: Luis M. Maristany [email protected], Aaron G. Horine [email protected], and Paul D. Carangelo [email protected]Author Affiliations
Publication: Ports 2019: Port Planning and Development
ABSTRACT
The U.S. Army Corps of Engineers (USACE) has adopted, as a part of the 404-permit process, a policy that allows offset of project impacts through in-kind mitigation. To address these requirements, the local port authority was responsible for creating 6.6 acres of smooth cordgrass (Spartina alterniflora) habitat and 19.2 acres of shoal grass (Halodule wrightii) habitat as mitigation for the La Quinta Terminal Project. Meeting these mitigation requirements in semi-arid South Texas was a challenge that required careful planning, design, and construction. This challenge was approached by constructing the 200-acre Beneficial Use Site 6 (BUS 6) using new work (non-maintenance) dredged material through several phases. These included placement of dredge materials into BUS 6, reworking of placed materials, reuse of dredged material from an upland dredged material placement area (DMPA), and planting of 12.6 acres of marsh vegetation and 25.3 acres of shoal grass: the largest known actively planted seagrass mitigation project in Texas.
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ACKNOWLEDGEMENTS
We thank Kyle McElroy, Eileen Mink, Troy Barton, Brice Tadlock, Kirsten McElhinney, Arpit Agarwal, and Josh Carter for their contribution to the planning, design, and construction of the La Quinta Phase I and II projects.
REFERENCES
Coyle, Mark, 2015. “La Quinta Channel Expansion.” Presentation from 2015 “Dredging Your Docks”, CRA, Corpus Christi, USA.
US Department of Commerce, NOAA, National Weather Service. “Major Hurricane Harvey - August 25-29, 2017.” National Weather Service, NOAA's National Weather Service, 22 Jan. 2018, www.weather.gov/crp/hurricane_harvey.
Information & Authors
Information
Published In
Ports 2019: Port Planning and Development
Pages: 66 - 77
Editors: Pooja Jain, Moffatt & Nichol and William S. Stahlman III, America's Central Port
ISBN (Online): 978-0-7844-8262-9
Copyright
© 2019 American Society of Civil Engineers.
History
Published online: Sep 12, 2019
Published in print: Sep 12, 2019
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Authors
Affiliations
P.E.
Coastal Engineer IV, Mott MacDonald, 10415 Morado Circle, Suite 300, Austin, TX 78759, USA. E-mail: [email protected]
P.E.
Principal Coastal Engineer, Mott MacDonald, 711 North Carancahua, Suite 1610, Corpus Christi, TX 78401, USA. E-mail: [email protected]
Coastal Environmental Planner, Port of Corpus Christi Authority, 222 Power St., Corpus Christi, TX 78401, USA. E-mail: [email protected]
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