LAKE RETAINING WALL GUIDELINES
The intent of this document is
to offer guidelines for those interested in protecting their property from lake
erosion. This is not an all inclusive document with regard to
engineering, design, construction, or the like, and is not to be relied upon as
a substitute for hiring a contractor or other competent professional.
CWL community very concerned
about the expense being incurred dredging the lakes. Because of this process, our community funds are being tied up
for maintenance instead of being used to enhance our community.
Owners of lake front property have additional expenses and
responsibilities that are incurred. One
of these responsibilities is protecting your property from erosion.
Your community Lake Committee members have compiled some
information to guide homeowners when installing retaining walls. We hope that you will find the information
water movement causes erosion.
The lapping of the water on your property slowly eats away at the
waterline. Over time there is a
gap between the lake bed and your yard.
Generally, when we get one of our torrential downpours big chunks
yard break away and fall into the lake bed.
of proper foundation and backfill for e walls is culprit
erosion. If a wall built incorrectly the same
scenario occurs only it takes longer.
wall. irt to the top but is providing
more fill for the lake. Over time
this gives the impression that the lake is not as full as it used to be. The
erosion in the lake it
appear that our
lakes are not maintaining the water level they used to. The only other explanation for this
would be that every spillway has lowered.
Because this seems to be happening on lakes A, B and C it seems
unlikely that both spillways are sinking at the same time
plat available or survey your property.
Most lake front homeowners actually own property into the
lake. Whether this was deeded at
the time of purchase or because of property erosion it is yours to
a material that is TDEC approved.
Concrete, rip rap, Versa-Lok blocks to mention a few. Because of environmental issues treated
lumber and railroad ties are unacceptable materials for the lake.
material is chosen and you have determined your property line, submit
a plan to the property manager.
The plan will be submitted to the CWL board for approval. Do not start any work until the project
has been approved.
base of the wall has to be below the water line. A trench will have to be dug to
accommodate a minimum of 6” by 24” wide for the
base. The base should consist of
COMPACTED gravel or crushed stone.
The first layer of wall material should be below
the 1st layer of wall material is installed cover with fabric. This will keep the lapping water from
reaching the base of the wall and damaging its’ integrity. This is very important because our
water level drops during drought season.
material for the
layer must consist of COMPACT native soil.
- the next 13” of backfill will consist
of COMPACTED drainage aggregate.
This should be a minimum of 1’ wide.
Pour 3” of pea gravel
Lay a drainage pipe. should work
Add 10” of pea gravel on top of that. Compacting as you go
If your wall is more than 4’ tall it is recommended that you use fabric every 1’ as a soil
Remaining backfill will be COMPACT native soil topped off with
Building a retaining wall correctly takes special
knowledge. The following list of names,
are of individuals or entities that may be able to assist you in completing a
job of this magnitude.
Larry Lee 901-496-3975
Todd Sweeny 901-218-2041
It is the responsibility of each
homeowner to retain the services of a competent professional with whom you are
comfortable working. These names are provided for your convenience
only as potential options, and the CWLHOA and Lake Committee are not legally or
financially responsible for the actions or inactions of these individuals or