a. Trees and Shrubbery. Trees and shrubbery make a pool area look
attractive but may contribute to pollution. When leaves, blossoms, bird feces and
insects fall into the pool water, the sanitary hazard outweighs the natural beauty.
b. Pool Site. The top of the pool should be well above the surrounding ground
level and located where dirt, dust, leaves, and other debris will not be carried into the
CONSTRUCTION AND DESIGN OF SWIMMING POOLS
The following paragraphs deal with the physical aspects and design of
swimming pools. Although some construction features are common to all pools, the
discussion focuses on the recirculation-with-filter pool. The recirculation-with-filter pool
is the only type approved for new construction and will become more and more
a. Pool Construction.
(1) Pool surfaces should be smooth and should not have cracks or joints
(with the exception of structural expansion joints). Earth and sand bottoms are not
(2) The pool walls and bottom should be light in color. This improves
visibility and appearance. White, light blue, and aqua blue are excellent colors for this
purpose. Dark colors, on the other hand, absorb light, restrict vision, and hide dirt
b, Depth Markings. Pools should have water depth plainly marked. Vertical
markings should be located on the pool walls at or above the water surface. They
should also be marked on the edge of, the deck beside the pool. The following
specifications apply to depth markings:
These areas must be marked:
(a) The points of maximum and minimum depth.
(b) The break between shallow and deep water.
Intermediate 1-foot increments of depth.
Markings should occur at least every 25 feet.
The numbers should be at least 4 inches high and of contrasting colors.
The pool outlet should be plainly marked in contrasting colors.