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This pond was designed in a way that the existing
ledge could be integrated into the scene.
A difficulty of this job was to achieve a satisfying result within the
given budget, while at the same time the excavation required extensive
hand work due to the outcropping of ledge, and furthermore, to achieve
the required water depth it was necessary to raise the pond height by
constructing a retaining wall on the lower side of the pond (see
following images). |
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The before-photo shows the location with the ledge on
the left. We needed to do some test digging to find out if we would be able
to get a depth of at least 3-ft. for the pond. |
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After exposing the ledge and taking some careful
measurements we defined the water level and installed a retaining wall in
the front. This was necessary to adopt the water level to the defined ideal
height at the ledge. The water level had to be
at a certain point at the foot of the ledge where it was possible to end
the liner and hide it from view. |
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The liner is placed, covering ledge inside the pond
as well as outside. It will have to be trimmed after water is filled and
the level can be fine-tuned. |
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The finished pond has a water level raised above the
surrounding garden area. The wall backfill has
to be sloping down in an angle of 45 degrees or less in order to minimize
frost pressure in the winter. |
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The waterfall was build against the existing
moss-covered ledge. Hiding the liner is not an easy task in this situation.
Plantings will be installed in the spring to further
naturalize the appearance of the waterfall, and to soften the rocks. |

View from the top of the slope.
Plantings not completed in these pictures. |
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