Page 19 - Jan-Feb2019
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BEFORE Ryan McReynolds and Phillip Jones, representing
TCAPWA, presented the plaque for the TCAPWA
DURING CONSTRUCTION Project of the Year to the large and very proud
functional layout to a more aesthetically group from Chattanooga, including Justin Holland,
pleasing and environmentally beneficial Rusty Belvins, Catherine Vogel, Kimberly Strong,
boulevard-type roadway. The existing Joey Wormsley, Kristin Franklin, Bobby Allen, and
roadway asphalt was reduced from up Bonnie Dodson.
to 45 feet of pavement to two 12-foot-
wide asphalt pavement lanes separated basins, manufactured devices and symposium was on November 1, 2018,
by a median. The 12-foot lanes are modular wetland systems. The green and served as a technical workshop. The
shared by vehicles and bicycles as this infrastructure proposed for this portion goal of the symposium was to equip
is a low-speed, residential roadway. of the project concentrated on one-inch local engineers, landscape architects,
There is now on-street parking along capture and infiltration of stormwater developers and designers with the
the boulevard. Within the medians runoff. knowledge of a variety of techniques to
in the right-of-way, infiltration beds meet the City of Chattanooga Stormwater
and trenches, bioretention, biofilters, Continued Technical Education requirements. Included in the day was a
constructed stormwater wetland basins, tour of Anderson Avenue.
manufactured devices and modular Since the completion of the project
wetland systems were installed to in April 2018, we have had multiple On November 7, 2018, members
assist with the demonstration aspect educational opportunities with various of the Georgia Association of Water
of this project. New five-foot concrete groups. Professionals visited Chattanooga and
sidewalks were installed within the spent time on Anderson Avenue, looking
right-of-way, with a six- to seven- On May 25, 2018, the Department at the green infrastructure that was
foot-wide landscape area between the of Public Works held a ribbon cutting installed/constructed and listening to
sidewalk and roadway. These landscape and showcased the green infrastructure what the City has learned during this
areas allow the use of infiltration beds improvements made in the Highland project.
and trenches, bioretention, biofilters, Park area through a demonstration. City
constructed stormwater wetland Council members, Mayor Andy Berke, Monitoring
and members of the community were in
attendance. A monitoring program is to be
implemented to enable the City to
The City of Chattanooga and Grace determine both the quantity of water
Frank Group sponsored the Chattanooga infiltrated and the associated entrapment
Stormwater Symposium in partnership and reduction in pollutants. BMPs can
with greenspaces and the American be measured individually and in series to
Society of Civil Engineers Environmental determine their effectiveness, operational
Water Resources Institute. The and maintenance issues, and any
additional benefits or unforeseen issues.
It is anticipated that the monitoring
will be accomplished via a partnership
between the City, the neighborhood
association and local universities.
Monitoring results for this specific
demonstration project can be collected
and used to bring about equally efficient
or even better designs for future green
infrastructure projects throughout the
City.
View online at tnpublicworks.com 19