FOUNTAINS & SWIMMING POOLS - 5
Drainage systems
Disposing of the drainage water from
a
swimming pool is a simple matter in the
majority of localities, but it
can be complex in some. In some locations
the pool can be drained
into a public sewer system. Rather often
local authorities will require its drainage
into a storm sewer rather than a sanitary
sewer,
but this imposes no hardship on the property
owner. Drainage to a
sewer often involves the purchase of
a pump and motor in order to
raise the pool water to the level of
the sewer. In rural communities,
especially, the pool can be drained into
a stream. However, such
drainage is not universally permitted.
States with strict sanitary laws
sometimes require that the drainage from
a swimming pool be filtered or otherwise
purified before it is discharged into
a stream. A filtering or disinfecting
system for the drain water will add a
not inconsiderable amount to the cost
of the pool, but where it is required,
there is no avoiding it.
Diving boards
No pool is complete without a diving
board.
A good many home pools are equipped with
diving boards which are
far from satisfactory, either because
they are not properly dimensioned or
properly mounted.
A simpler type of diving board
This is a more amply dimensioned board
than is customarily built for
residential pools. Its mounting must
be planned when the pool is
built and provisions made for the footings
which are fixed in the
masonry. The mountings are of poured
concrete, and
they are embedded in the soil outside
the walls of the pool. The
concrete anchors are, of course, concealed
by the terrace paving or
other ground cover. The board itself
is preferably a commercially
manufactured diving board made of some
such material as laminated
Douglas fir. Such boards are available
in lengths ranging from 8 ft.
to 16 ft. The diving board can be, on
the other hand, a
altogether a home-made product and is
more adapted to swimming
holes than to masonry pools. Of course,
it is possible to make a
mounting such as is shown in this figure
and to use on it a factory-
made diving board, but this is not ordinarily
done. Instead, local
sawmills or lumber yards are searched
for a wide plank, 2 or 3 in.
in thickness, which is springy, free
of knots, and strong. If the
plank selected turns out to be too stiff,
it can usually be made limber
enough by tapering it somewhat. The tapering
is a tedious process.
Usually the board is first shaped roughly
with an adze and is finally
smoothed with a draw shave and plane.
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