Estimation of Design Flows

The design period is the length of time up to which the capacity of a sewer will be adequate. It is important to consider the design period when estimating design flows, as the flows will be different depending on the length of time being considered.

Summary

• The design period is the length of time up to which the capacity of a sewer will be adequate.
• It is important to consider the design period when estimating design flows because the flows will be different depending on the length of time being considered.
• Design flows are estimated using a variety of factors, including the population of the area, the climate, and the type of development.

Questions

• What is the design period?
• Why is it important to consider the design period when estimating design flows?
• How are design flows estimated?

Answers

• The design period is the length of time up to which the capacity of a sewer will be adequate.
• It is important to consider the design period when estimating design flows because the flows will be different depending on the length of time being considered. For example, the design flows for a sewer that will be used for 50 years will be different than the design flows for a sewer that will be used for 100 years.
• Design flows are estimated using a variety of factors, including the population of the area, the climate, and the type of development.