Answer Key: Self-Test D-1.6

1. Figure 2P-7

Table 1 Answers
Letter Name Hydraulic Load (FU) Length Size
A Fixture drain acting as a wet vent 4 N/A 3 in.
B Branch — Wet vent 4 N/A 3 in.
C Branch — Wet vent 4 N/A 3 in.
D Branch 7.5 N/A 3 in.
E Continuous vent 7.5 10 m 1.5 in.

2. Figure 2P-8

Table 2 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 2.5 N/A 2 in.
B Branch — Wet vent 2.5 N/A 3 in.
C Branch 8.5 N/A 3 in.
D Continuous vent 8.5 16 m 2 in.

3. Figure 2P-9

Table 3 Answers
Letter Name Hydraulic Load (FU) Length Size
A Trap arm — Fixture drain 2 N/A 2 in.
B Branch — Wet vent 6 N/A 3 in.
C Branch — Wet vent 6 N/A 3 in.
D Branch 6 N/A 3 in.
E Continuous vent 8 5.5 m 1.5 in.

4. Figure 2P-10

Table 4 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 2.5 N/A 2 in.
B Branch — Wet vent 2.5 N/A 2 in.
C Branch 12.5 N/A 3 in.
D Trap arm — Fixture drain 6 N/A 3 in.
E Continuous vent 12.5 17.3 m 2 in.

5. Figure 2P-11

Table 5 Answers
Letter Name Hydraulic Load (FU) Length Size
A Fixture drain acting as a wet vent 3.5 N/A 2 in.
B Branch — Wet vent 3.5 N/A 2 in.
C Trap arm — Fixture drain 1 N/A 1.25 in.
D Branch 4.5 N/A 2 in.
E Continuous vent 4.5 7 m 1.5 in.

6. Figure 2P-12

Table 6 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 9 N/A 3 in.
B Branch — Wet vent 9 N/A 3 in.
C Branch 11 N/A 3 in.
D Continuous vent 11 8 m 1.5 in.

7. Figure 2P-13

Table 7 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 8 N/A 3 in.
B Fixture drain 1.5 N/A 1.5 in.
C Trap arm — Fixture drain 3 N/A 2 in.
D Branch — Wet vent 8 N/A 3 in.
E Branch 5.5 N/A 3 in.
F Branch 11.5 N/A 3 in.
G Continuous vent 10 4 m 1.5 in.
H Individual and continuous vent N/A N/A 1.25 in.

8. Figure 2P-14

Table 8 Answers
Letter Name Hydraulic Load (FU) Length Size
A Fixture drain acting as a wet vent 6.5 N/A 3 in.
B Fixture drain 1.5 N/A 1.5 in.
C Branch — Wet vent 6.5 N/A 3 in.
D Fixture drain 1.5 N/A 1.5 in.
E Branch — Wet vent 6.5 N/A 3 in.
F Branch — Wet vent 6.5 N/A 3 in.
G Branch 8.5 N/A 3 in.
H Continuous vent 5.5 4 m 1.5 in.
I Individual and continuous vent N/A N/A 1.25 in.
J Individual and continuous vent N/A N/A 1.25 in.

9. Figure 2P-15

Table 9 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 9.5 N/A 4 in.
B Trap arm — Fixture drain 4 N/A 3 in.
C Branch — Wet vent 9.5 N/A 4 in.
D Branch — Wet vent 9.5 N/A 4 in.
E Fixture drain 1.5 N/A 1.5 in.
F Branch 13.5 N/A 4 in.
G Individual and continuous vent N/A N/A 1.5 in.
H Continuous vent 12 6 m 1.5 in.

10. Figure 2P-16

Table 10 Answers
Letter Name Hydraulic Load (FU) Length Size
A Branch — Wet vent 8 N/A 3 in.
B Branch — Wet vent 8 N/A 3 in.
C Branch 16 N/A 3 in.
D Continuous vent 16 7 m 1.5 in.

11. Figure 2P-17

Table 11 Answers
Letter Name Hydraulic Load (FU) Length Size
A Fixture drain acting as a wet vent 5 N/A 3 in.
B Fixture drain 1 N/A 1.25 in.
C Fixture drain 1 N/A 1.25 in.
D Branch — Wet vent 5 N/A 3 in.
E Branch — Wet vent 5 N/A 3 in.
F Branch 6.5 N/A 3 in.
G Individual and continuous vent N/A N/A 1.25 in.
H Continuous vent 4.5 1.5 m 1.25 in.
I Individual and continuous vent N/A N/A 1.25 in.

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