Construction of Beneficial Use Site at Chocolate Bay
Brazoria County, Texas
U.S. Army Corps of Engineers ProjectGalveston District
Contract No. W912HY-25-C-0020
Ed Trainer TenCate Water & Environment
Project Location
Chocolate Bay, TX
Project Scope & Equipment• Create a 125 acre containment for dredge maintenance
material as well as a habitat for wildlife. Project includes the installation of 6,300 linear feet (1,920 meters) of 30-ft circumference and 3,150 linear feet (960 meters) of 20-ft circumference geotextile tubes.
• For scour protection, 9,450 linear feet (2,880 meters) of a 35-ft wide scour apron was used.
• All fill material for the tubes and anchor tubes was pumped from surrounding area.
• Equipment used for the installation: 8-inch suction dredge, (2) amphibious track hoes, (1) work/storage barge, (1) crew boat.
Completed Project
Chocolate Bay, TX
Manufacturing of Product • Scour Aprons were manufactured from GT500, an engineered
woven polypropylene textile, in a width of 35-feet (10.67 meters) with 4-foot circumference (1.2 meter) anchor tubes integrated into each longitudinal edge. Typical length of the scour aprons were 210 linear feet (64 meters).
• The geotextile containers for the project were produced from GT1000, an engineered woven polyester textile, in a circumference of 30 feet (9.1 meters) and had a typical length of 210 feet (64 meters). Textile sleeve fill ports were fabricated into the containers on 48.5-ft (14.8 meters) centers.
• The top 50% of the containers are covered with a GT500 polypropylene shroud.
Shop Drawing
Shop Drawing
Cross Section
Deployment
Chocolate Bay, TX
Connections
Chocolate Bay, TX
Pumping
Chocolate Bay, TX
Pumping
Chocolate Bay, TX
Filling Anchor Tubes
Chocolate Bay, TX
Pumping
Chocolate Bay, TX
Support Pad
Chocolate Bay, TX
Pumping Continues
Chocolate Bay, TX
Completed Project 2005
Chocolate Bay, TX
November 2011
Chocolate Bay, TX
Questions?
