Chapter 15 ALTERNATE WATER SOURCES

1. The provisions of ______________ shall apply to the construction, alteration, and repair of alternate water source systems for non-potable applications.

Code Section 1501.1 Washington State Amendments

• a. this chapter

• b. the authority having jurisdiction

• c. this chapter and the Washington State Department of health

• d. the Washington State Department of health

2. Gray water installations exceeding a maximum discharge capacity of ______ gallons per day shall be designed by a registered design professional.

Code Section 1501.2

• a. 150

• b. 175

• c. 200

• d. 250

3. Each room containing on-site treated water equipment shall have a sign posted with _____ inch letters.

Code Section 1501.9.1

• a. 1/4”

• b. 1/2”

• c. 3/4”

• d. 1”

4. Cross-connection inspection and testing on both potable and reclaimed water systems shall be performed ____.

Code Section 1502.3

• a. initially

• b. annually

• c. semi-annually

• d. initially and annually

5. Upon discovery of a cross connection, the potable water system shall be chlorinated with ____ parts per million.

Code Section 1502.3.3 (5)

• a. 50

• b. 75

• c. 100

• d. 110

6. Reclaimed water pipes shall be permitted to be run in the same trench as potable water pipes with a _____ inch minimum vertical and horizontal separation where both pipe materials are approved for use within a building.

Code Section 1502.4

• a. 6

• b. 12

• c. 18

• d. 24

7. On-site treated non potable water piping sizing shall comply with ______.

Code Section 1502.6

• a. table 610.3

• b. table 702.1

• c. Chapter 6

• d. chapter 7

8. The total estimated gray water flow for each occupant shall be ____ GPD?

Code Section 1503.8 (2)

• a. 40

• b. 35

• c. 25

• d. see local health department rules

9. In calculating for gray water systems, the first bedroom is equal to _____ occupants

Code Section 1503.8.1 (1)

• a. 1

• b. 2

• c. 3

• d. 4

10. Surge tanks placed above ground shall be placed ____________.

Code Section 1503.9.1. (9)

• a. on a 1 ” concrete slab

• b. on a 2 ” concrete slab

• c. on a 3 ” concrete slab

• d. on flat ground