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Every nonprivate swimming pool shall be provided with a hair and lint catcher of acceptable design on the suction side of the recirculation pump, except where pump suction is connected to the underdrains of a filter system. Swimming pool strainers shall comply with the following requirements:
1. The hair and lint catcher as installed ahead of the recirculation pump.
2. The strainer is located so as to be easily accessible for cleaning.
3. Two strainer baskets are provided for alternate use in each unit.
4. Water passes through the strainer from the outside.
5. The strainer is made of non-corrosive material.
6. The width or diameter of the strainer openings is not more than 1/8 inch (3 mm).
7. The area of the strainer openings is five to ten times the area of the inlet pipe to the strainer.
8. The hair and lint catcher is so constructed that it can easily and quickly be taken down for cleaning.
9. A removable cylindrical strainer, with slotted openings, is provided unless sufficient cause can be shown for using some other type.