Water Storage Tanks Operation, Maintenance, and Rehabilitation

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Course Overview

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

  • Improve tank asset management
  • Use best practices for tank operation, maintenance, and rehabilitation
  • Implement an effective tank inspection program
  • Select tank coatings and application procedures
  • Modify tanks to improve water quality
  • Assure that antenna installations do not compromise your tank’s operability or integrity
  • Address special concerns for concrete tanks

Who Should Attend?

  • Utility managers
  • Engineers
  • Public works directors and superintendents
  • Distribution system operators
  • Others with water storage tank responsibilities

Course Outline

Water Storage Tank Types

  • Tank type overview
  • Initial cost comparison
  • Future painting/rehabilitation costs
  • Design efficiency
  • Operations and maintenance considerations
  • Aesthetics

SCADA and Telemetry Options for Water Storage Tanks

  • Choose effective interfaces
  • Selecting telemetry and remote terminal units
  • Deciding what to monitor and automate
  • Report generation from SCADA system

Developing a Cost-Effective Water Storage Tank Maintenance Program

  • Learn the steps from initial evaluation, prioritization, and specification development, to bidding and construction administration.

Tank Inspection

  • Essential elements of tank inspections
  • Inspector qualifications
  • Inspection types – drained tank – underwater inspections
  • Photo and video documentation
  • Inspection reports
  • Repair/rehabilitation alternatives
  • Budgetary cost estimates
  • Evaluating rehabilitation vs. replacement

Steel Tank Coatings

  • Coating types
  • Expected coating life
  • Coating selection
  • Surface preparation
  • Quality control

Display of Quality Control Tools for Tank Coatings

Concrete Tank Coatings

  • Coating types
  • Appropriate project application

Water Storage Tank Asset Management Case Study - Developing a Multiple Tank Maintenance Program

Corrosion Control

  • Cathodic protection methods/systems
  • Operation of cathodic protection systems

Winter Storage Tank Operation and Maintenance

  • How to preventing icing damage,
  • Changes to tank operations

Mixing in Water Storage Tanks

  • Storage tank water quality problems and causes
  • Water storage tank mixing – mixing basics – methods of mixing – potential mixing problems
  • Modeling mixing and water aging in storage tanks
  • Retrofits to improve mixing and tank water quality

Safety for Water Storage Tank Operation and Rehabilitation

  • Important safety issues
  • Overview of safety equipment and procedures for tank climbing and rigging
  • Tank details for safety and rescue retrieval

Concrete Tanks

  • Types of concrete tanks
  • Concrete tank inspection and maintenance
  • Concrete tank distresses and failures
  • Repair and rehabilitation of concrete tanks

Attaching Antennas to Tanks

  • Typical antenna attachment details
  • Protecting structural integrity of tank
  • Avoiding paint damage and corrosion
  • Operational and aesthetic concerns
  • Accommodating future antenna installations

Water Storage Tank Rehabilitation Case Study – Cudahy Water Utility

Instructors

Michael Duer

Michael Duer has a Bachelor of Science Degree in Mechanical Engineering and is a registered Professional Engineer in the Commonwealth of Pennsylvania. He joined Tideflex Technologies in 1994 and is currently the Chief Engineer specializing in the Tideflex¿ Check Valve product line. He has been involved in Design and Applications Engineering specializing in control and check valves for the water and wastewater industries. He utilizes Computational Fluid Dynamics (CFD) modeling to analyze mixing in finished water storage facilities. He is an AWWA member, a member of the AWWA Distribution System Water Quality Committee, and is also a principal investigator of a 2006 AwwaRF project entitled “Physical Modeling of Mixing in Water Storage Tanks.”


Ira M. Gabin

Dixon Engineering, Inc.

Joe Hoban

Dixon Engineering, Inc.

Benjamin Jordan

Program Director at the University of WisconsinMadison, Department of Engineering Professional Development, Ben develops continuing education courses for civil engineers and public works professionals. He is also director of the Wisconsin Transportation Information Center, providing training and technical assistance to county highway departments, town road departments and city and village public works departments in Wisconsin. Mr. Jordan has over 35 years of experience in civil engineering and public works. He earned a Bachelor of Science Degree in Civil Engineering from the University of Illinois at UrbanaChampaign and is a Licensed Professional Engineer in the State of Illinois.

James Orr

Dixon Engineering, Inc.

Alan Larson

Al Larson, PE, BCEE, is Principal Engineer for Madison Water Utility. His agency pumps an annual average of 29 million gallons per day from 22 deep wells. Larson manages a capital improvement program of over $25 million/year as the Utility struggles to replace its aging infrastructure. Larson has over 35 years of engineering experience in a wide range of projects in both water supply and treatment and waste water conveyance. Larson came to Madison more than 13 years ago after almost 24 years as a consultant serving a wide range of municipal and county clients. His most recent consulting experience was with HDR Engineering in Seattle, Washington where he worked as a project manager and lead design engineer for several surface water treatment plants and large wastewater trunk sewers and deep CSO storage tunnels.

Jim Lary

Cathrine Wunderlich

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Program Director

Benjamin Jordan

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