Note:
The waterfall should be built no more than 2'
or 3' (61-91 cm) back from the corner of the basin,
ensuring there will be enough liner and pipe to
properly connect the Waterfall Spillway.
• Place two larger boulders to act as frame rocks on either
side of the intended
passage of water.
Then, place one or
more spillway rocks
between the frame
rocks (Figure 27A &
27B). Small rocks
and gravel can then
be used to fill in gaps
between the larger
waterfall rocks. The
waterfall is the focal
point of the water
feature, so take your
time and be creative.
• Place the remaining rocks along the edge of the basin in
locations that appear natural. Then, fill in any gaps using
smaller rocks or gravel.
STEP 11
BUILDING THE WATERFALL & ADD GRAVEL
• Once the liner installation is complete, it is time to begin
the construction of the waterfall.
• You can expect to use roughly
1,000 pounds (1/2 ton) of stone
and approximately 300 pounds of
1" to 1.5" (2-4 cm) diameter gravel
(Figure 26).
• A well-designed waterfall often consists of two frame
rocks and a spillway rock which create a natural-looking
passage for water flow (Figure 27A &27B).
• Temporarily position the Waterfall Spillway at the intended
starting point of the waterfall.
STEP 10
CONT...
• Lay the second strip of geotextile
underlayment over the liner and
along the edge of the corner where
the waterfall will enter the basin
(Figure 25). This will protect the
liner from damage when setting
rocks along the plastic edge of the basin to build the
waterfall.
Figure 26
Figure 25
Framing
Rock
Framing
Rock
Spillway
Rock
Figure 27A
Figure 27B
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