CE-058 Sewer Sediment and Control

CE-058 Sewer Sediment and Control
10
Mar

Sewer Sediment and Control

The Sewer Sediment and Control online PDH course is a part of the Civil Engineering category of courses. Threats to the quality of receiving waters by discharges from urban-storm-generated WWF, including combined sewer overflow (CSO) and polluted runoff from urban streets, are well known. During many storm events, large volumes of stormwater are drained via street inlets into the urban sewer system. The storm runoff washes off street dust-and-dirt and pollutants from catchment surfaces into the sewer system. Furthermore, the unsteady-state storm inflow resuspends sewer sediment that has settled in the sewer bottom, causing it to be transported downstream. Recently, researchers reported that sewer sediment deposited from prior storms contributed a significant amount of pollutants into receiving waters. This often creates a highly concentrated pollutant load. In most cases, CSO carries resuspended sewer sediment and generates a highly concentrated pollutant load sometimes associated with the “first-flush” phenomenon. In most cases, CSO carries this resuspended sewer sediment into local waterways. Sewer sediment deposited during dry weather flow (DWF) contributes between 30% to 80% of pollutants into receiving waters.

This course provides an integrated approach to manage the solids generated in urban wet weather flows (WWFs), both on the land surface and in drainage sewer systems.

This course in intend for civil engineers and other professional engineers and construction managers interested in sewer sediment and control systems.

Learning Objectives

At the end of the course, you will learn about:

  • Sources of sewer sediment and impacts
  • Estimation of urban watershed solids loading
  • Methodology for quantifying sediment-solids in sewer system
  • Methods for field sampling and monitoring of hydrogen sulfide in sewer
  • Sewer sediment control: sewer flushing
  • How to assess the cost-effectiveness of sewer flushing technology from different performance perspectives

Course Content

Total learning: 1 lesson / 1 quiz

Instructor

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