Chapter 15 2021 UPC

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

• 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 having a minimum discharge capacity of ______ gallons per day shall be designed by a registered design professional.

• 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.

• 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 ____.

• 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.

• 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.

• a. 6
• b. 12
• c. 18
• d. 24

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

• 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?

• 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

• a. 1
• b. 2
• c. 3
• d. 4

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

• a. on a 1 ” concrete slab
• b. on a 2 ” concrete slab
• c. on a 3 ” concrete slab
• d. on flat ground