WorksheetsChapter 15 2021 UPC
Total questions: 28
Worksheet time: 14mins
Name
Class
Date
1.
1. The provisions of______________shall apply to the construction, alteration, and repair of alternate water source systems for non potable applications.
a)
a. this chapter
b)
b. the authority having jurisdiction
c)
c. this chapter and the Washington State Department of health
d)
d. the Washington State Department of health
2.
2. Gray water installations having a minimum discharge capacity of ______ gallons per day shall be designed by a registered design professional.
a)
a. 150
b)
b. 175
c)
c. 200
d)
d. 250
3.
3. Each room containing on-site treated water equipment shall have a sign posted with _____ inch letters.
a)
a. 1/4”
b)
b. 1/2”
c)
c. 3/4”
d)
d. 1”
4.
4. Cross-connection inspection and testing on both potable and reclaimed water systems shall be performed ____.
a)
a. initially
b)
b. annually
c)
c. semi-annually
d)
d. initially and annually
5.
5. Upon discovery of a cross connection, the potable water system shall be chlorinated with ____ parts per million.
a)
a. 50
b)
b. 75
c)
c. 100
d)
d. 110
6.
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)
a. 6
b)
b. 12
c)
c. 18
d)
d. 24
7.
7. On-site treated non potable water piping sizing shall comply with ______.
a)
a. table 610.3
b)
b. table 702.1
c)
c. chapter 6
d)
d. chapter 7
8.
8. The total estimated gray water flow for each occupant shall be ____ GPD?
a)
a. 40
b)
b. 35
c)
c. 25
d)
d. see local health department rules
9.
9. In calculating for gray water systems, the first bedroom is equal to _____ occupants
a)
a. 1
b)
b. 2
c)
c. 3
d)
d. 4
10.
10. Surge tanks placed above ground shall be placed ____________.
a)
a. on a 1 ” concrete slab
b)
b. on a 2 ” concrete slab
c)
c. on a 3 ” concrete slab
d)
d. on flat ground
11.
11. All valves including the 3 way valve shall be ________.
a)
a. accessible
b)
b. metal
c)
c. non corrosive
d)
d. plastic
12.
12. Subsurface irrigation fields and mulch basins shall be sized as per___________.
a)
a. Table 703.2
b)
b. Table 1504.2
c)
c. the inlet size
d)
d. Table 1502.11
13.
13. The maximum downstream pressure from a pump serving a gray water irrigation field shall not exceed _____ psi.
a)
a. 10
b)
b. 15
c)
c. 20
d)
d. 30
14.
14. The reclaimed water system shall not be connected to _____.
a)
a. a subsurface drain
b)
b. any unprotected potable water system
c)
c. a building sewer
d)
d. a house sewer
15.
15. Reclaimed water systems are not approved for ____ .
a)
a. trap primers
b)
b. residential installations
c)
c. urinals
d)
d. hose bibbs
16.
16. 3-inch piping conveying on-site treated non-potable water shall have lettering with a minimum size of _____ inch(es).
a)
a. 1/2
b)
b. 3/4
c)
c. 1
d)
d. 1-1/4
17.
17. On-site treated water systems shall have a colored background and marking information in accordance with Section _____ of this code.
a)
a. 601.3
b)
b. 1502.9.1
c)
c. 1503.7
d)
d. 1602.10
18.
18. A filter permitting the passage of particulates no larger than _____ microns shall be provided for on-site treated nonpotable water supplied to water closets, urinals, trap primers, and drip irrigation system.
a)
a. 25
b)
b. 50
c)
c. 75
d)
d. 100
19.
19. For gray water surge tanks of 75 gallons or less, the distance or clearance to a building or structure may be reduced to _____ ft.
a)
a. 0
b)
b. 5
c)
c. 10
d)
d. 15
20.
20. All valves shall be equipped with a locking feature except for _____.
a)
fixture supply control valves
b)
fullway valves
c)
gate valves
d)
main valves
21.
21. Gray water supply piping, including drip feeders, shall be not be less than _____ inches below finished grade and covered with mulch.
a)
2
b)
6
c)
10
d)
12
22.
22. The distance between a septic tank and a subsurface irrigation field shall be _____ feet.
a)
5
b)
10
c)
12
d)
20
23.
23. Where irrigation and disposal fields are installed in sloping ground, the minimum horizontal separation
between the distribution system and ground surface shall be _____ feet.
a)
5
b)
15
c)
30
d)
50
24.
24. Gray water systems shall be designed to distribute the total amount of estimated gray water on a _____.
a)
twice daily basis
b)
daily basis
c)
hourly basis
d)
yearly basis
25.
25. The maximum absorption capacity for sandy clay is _____ gallons per feet of irrigation/leaching area for a 24-hour period.
a)
1.1
b)
1.7
c)
2.5
d)
4.0
26.
26. The discharge from a _____ is not used to calculate gray water discharge
a)
bath or shower
b)
kitchen
c)
lavatory
d)
laundry
27.
27. No excavation for an irrigation field, disposal field, or mulch basin shall extend within _____ feet vertical of the highest known seasonal groundwater level, nor to a depth where gray water contaminates the groundwater or surface water.
a)
2
b)
3
c)
5
d)
6
28.
28. A gray water system discharges 2,100 gallons per day into a sandy clay irrigation field. The minimum size
of the area shall be _____ square feet.
a)
170
b)
1,260
c)
2,142
d)
6,000
100 %
