Instructor Manual Module 8: Distribution Systems

Drinking Water Operator Certification Training

Instructor Manual

Module 8: Distribution Systems

Slide 1

Revised August 2013

This course includes content developed by the Pennsylvania Department of Environmental

Protection (Pa. DEP) in cooperation with the following contractors, subcontractors, or grantees:

The Pennsylvania State Association of Township Supervisors (PSATS) Gannett Fleming, Inc.

Dering Consulting Group Penn State Harrisburg Environmental Training Center

Instructor Notes: The primary purpose of Module 8: Distribution Systems is to provide the participants with a general understanding of the operations and maintenance of a distribution system that are necessary to provide safe and reliable water service to system customers.

TIME: 5.5 contact hours

METHODS:

Lecture Full group discussion/Q&A Unit exercises MATERIALS:

PowerPoint slides, laptop, and projector Instructor Guide Student Workbook Flipchart or whiteboard Notes to Instructors: The instructor will need to practice the material using the instructor guide, PowerPoint, and the workbook. There are not slides for all information since the workbook also serves as a visual reference. You may add your own examples and images. This is preferred, since it adds to the learning experience. Unit Exercises: There are important exercise activities at the end of each unit. The Unit Exercises are the assessment method or "test for understanding" for the course. Please have the students complete the exercises on their own. The instructors should circulate the classroom during this time and make sure that each student is grasping the concepts.

Slide 2

[Briefly review outline.]

Topical Outline

Unit 1 ? Introduction to Operator Certification

I.

Certification

A. Certification Board

B. Operator Certification Act

C. Water Class E Certification

Unit 2 ? Distribution Networks

II. Distribution Network Components

A. Introduction to Distribution Networks

B. Transmission Systems

C. Water Mains and Related Equipment

D. Distribution Storage

E. Distribution Pumping

F. Valves

G. Meters

H. Fire Hydrants

I.

Backflow Prevention

III. Distribution Hydraulics

A. Pressure and Head

B. Energy Loss IV. System Performance

A. Customers and Demands

B. Pressures and Flows

C. Routine Maintenance

D. Pipeline Maintenance

Unit 3 ? Distribution Storage

I. Basic Principles A. Purpose of Storage Facilities

Bureau of Safe Drinking Water, Department of Environmental Protection Drinking Water Operator Certification Training

B. Types of Storage Facilities

II. Operations A. Storage Volume and Water Level B. Operating Procedures

III. Maintenance A. Purpose of Distribution Storage Maintenance B. Painting C. Corrosion Control D. Water Quality

Unit 4 ? Water Quality and Monitoring

I. Distribution Systems Water Quality Issues A. Chemical B. Biological C. Aesthetic

II. Disinfection in Distribution Systems A. Purpose of Disinfection B. Disinfection Chemicals C. Chlorine Residual D. Disinfection of New Mains and Storage Facilities

III. Monitoring Distribution Systems Water Quality A. System Classifications B. Regulatory Monitoring and Sampling Locations C. Operations Monitoring D. Other Monitoring

IV. Practices To Enhance Water Quality A. Distribution Flushing B. Cross Connection Control C. Water Main Cleaning and Lining D. Minimization of Dead Ends and Residence Times E. Chlorine Booster Facilities F. Corrosion Control G. Storage Facility Operations

Bureau of Safe Drinking Water, Department of Environmental Protection Drinking Water Operator Certification Training

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