What total vertical dimension is shown for the plumbing riser assembly?
Correct Answer
D) 22 ft
The assembly height is the sum of the three printed vertical dimensions, 22 ft.
Why This Is the Correct Answer
The assembly height is the sum of the three printed vertical dimensions, 22 ft.
Why the Other Options Are Wrong
Option A: 18 ft
This omits the top vertical segment.
Option B: 25 ft
This adds an extra 3 ft that is not dimensioned.
Option C: 16 ft
This omits the base segment from the total.
Memory Technique
Vertical detail rule for plumbing riser vertical: printed side callouts beat visual height on P-765.
Reference Hint
Open Sheet P-765; add the three vertical dimension strings on the right side of the detail.
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