Piping serving gravity scum gutter drains shall be installed
with a minimum fall of one-fourth (1/4) inch per foot.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-51)
Drainage piping to which individual gravity scum gutter outlets
are connected shall be sized according to the following table:
No. of Outlets
|
Size of Drain
|
---|
1 to 12
|
3 inches
|
13 to 20
|
4 inches
|
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-52)
Drainage piping may be of nonmetallic material approved for
such use by the plumbing code, if installed at least two (2) feet
beyond the outside of the pool structure and not less than one (1)
foot below the surface of the ground.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-53)
Joints and connections shall be made as required in the plumbing
code.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-54)
Scum gutter drainage fittings shall be of a type not less than
two-inch iron pipe size and provided with a strainer securely attached
thereto. The open area of the strainer shall be equivalent to the
cross-sectional area of a two-inch pipe.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-55)
All scum gutter drains shall be tested, inspected and proved
tight before concealing or covering, by filling the system with water
to the highest point.
(1974 Code of Ordinances, Chapter 28 1/2, Sec. 28
1/2-56)