Empirical data suggests that the ideal basin size is around 10,000 LF of sewer, with a goal of maximizing granularity to minimize follow-on condition assessments such as manhole inspection, smoke testing, and closed-circuit television (CCTV) inspection. Smaller basins sizes are generally better than larger basin sizes, but it is important to remember that whatever the basin size, it is preferable to keep basin size as consistent as possible across the study area for better apples-to-apples comparisons.
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Yes. That way the new location will not populate its data into the old location.