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This module is part of the Wastewater System Analysis and Design Workshop - a comprehensive 4-part series designed to deepen your expertise in this field.

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INSTRUCTOR: Mark Peterson

Purpose and Background

​​This course is the second of a four-part series on wastewater system analysis and design. This course will cover design of the collection system including manhole locations, depths of sewer lines, groundwater considerations, slopes, friction factors, conflicts with other utilities and installation.

Benefits and Learning Outcomes

Upon completion of this course, you will be able to:

• Determine where manholes should be located to minimize traffic disruptions and optimize access for maintenance.
• Determine appropriate depth for sanitary sewers.
• Apply minimum slopes and friction factors used for sewer design.
• Avoid conflicts with other utilities

Assessment of Learning Outcomes

Students' achievement of the learning outcomes will be assessed via a short post-test assessment (true-false, multiple choice, and/or fill in the blank questions).

Who Should Attend?

This course covers a detailed analysis of design of a gravity wastewater system, both in plan view and profile view. The target audience includes engineers involved in the design of wastewater systems and engineers involved in review of designs of these systems.

Outline

• Manhole locations
• Minimum/maximum depths for service and for structural considerations
• Groundwater considerations
• Minimum Slopes
• Overcoming topographic challenges (high points and low points)
• Friction Factors
• Conflicts with other utilities (water, natural gas, oil, fiber)
• Bedding and Backfill
• Leakage Testing - is it necessary?
• Concerns with utilities outside right-of-way
• Modeling using AutoCAD SSA (when is a model necessary?)

How to Earn your CEUs/PDHs

This course is worth .2 CEUs / 2 PDHs. To receive your certificate of completion, you will need to complete a short post-test and receive a passing score of 70% or higher within 30 days of the course.

How do I convert CEUs to PDHs?

1.0 CEU = 10 PDHs [Example: 0.1 CEU = 1 PDH]