How pumps work


Ponds & Waterfalls: Layout & Excavation

First of all: know what you want. IfDo not land-lock a section of your yard
you need some ideas, visit the librarythat may later need drains, sprinklers
or your local book store and browseor heavy construction material. Place
through landscape books, garden and pondin advance or remove such items and
magazines. You can also search the webinstall necessary drains and sprinklers.
and read and study as much as possible.If it is not convenient to run the
Layout is the most important phase ofsprinklers at this time, run 4 inch
the entire project. I have heard manydrainpipe sleeves under the stream or
complaints from disappointed clientssection of pond to enable running low
after they had a chance to get used tovoltage wire and sprinkler lines later.
their new addition to the landscape. "IWhen it comes to the koi pond depth, if
only wish we had made it bigger ... madeyou plan to have it more than 18" deep,
it deeper ... added an island ... madeyou will need to check with the local
it longer and constructed a bridge ...building codes to determine if a 6 foot
built it closer to the house ...perimeter fence is required. You may
installed a larger water pump for thealso need door alarms and self-closing
waterfall … or ... built thegates at the side of the house. If the
waterfall higher or wider."koi pond site is not level, do not worry
Most of these wishes could have beenabout it; you will have all the
granted for a reasonable cost before orexcavated dirt from the pond to level
during construction. But waiting untilout uneven terrain and get creative with
afterward means incurring a majorterracing for an upper koi pond and
expense that may be cost prohibitive.waterfall or a sloped portion of the
If your choice is to omit the item oryard for a stream or creek.
feature because of its cost, then makeA pond can be placed on the side of a
structural preparations to allow forhill by constructing a retaining wall to
adding it on later. You can plan andhold back portions of the hill. Drive a
design the landscape to allow for easystake in the ground until the top of it
additions to the koi pond later just byrepresents the water surface of the koi
the strategic placement of trees,pond. Continue with additional stakes
sprinklers, drain lines, and much more.in the shape of the proposed pond using
When you decide exactly where you wanta level as you go. Keep in mind how
to place the koi pond, take your timedeep the koi pond should be and begin to
laying it out. A garden hose is popularremove the dirt. As you do so, note the
for this job because it can easily becondition of the soil and determine if
moved around until the desired shape isyou will need only shovels and a pick,
achieved. Once that is accomplished,or if you will have to rent a
you can use construction paint and sprayjackhammer. Also, if the soil is sandy
the ground in the outline of the hose.and unstable, you may need to shore up
If there is any doubt about where tothe sides with plywood forms and
locate the koi pond, give it a couple ofsupports prior to pouring concrete.
days and ask for outside opinions. ThenMost often the soil from a pond
walk around the yard while you observeexcavation can be used to create berms
the proposed spot from various angles,in the landscape plus mounding for a
especially views from inside your house,waterfall. If the koi pond is large the
from the room where you spend most ofexcavated dirt can be used to terrace a
your time.level back yard, facilitating a second,
Remember to take into considerationelevated koi pond. If there is no access
everything around it. How close is theto the back yard for a bobcat or
nearest tree? Will its roots pose aexcavator, additional soil will need to
problem later? Is there going to bebe removed by wheelbarrow and can be
sufficient sun throughout the day? Somedumped into a rented trash bin or
water plants require more sun exposuredumpster.
than others, such as lilies. Make sureThe most important stage of the water
you know where the main power, water andfeature project is planning, not layout
sewer lines are routed to the house. Itand excavation. If you have not planned
is not so good to find out after theand predesigned your waterfall and koi
fact that the gas or water line runspond by now, file this article away
right through the center, 36 inchesuntil you do.
below the surface of a 48 inch deep koiIt has been a pleasure sharing with you.
pond.Until next time. Happy Koi, Peace & Joy.



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