Newsletter from November 2019


Stephen Johnson
Project Manager with Freese and Nichols, Inc.

Assessing and Maintaining the 24-inch and Larger Interceptor in our Sanitary Sewer Systems

Tuesday – November 19, 2019 at 6 pm

Clay Pit Restaurant


Downtown Austin, 1601 Guadalupe Street


11/19/19 6:00pm

Assessing and Maintaining the 24-inch and Larger Interceptor in our Sanitary Sewer Systems

Assessing and maintaining the 24-inch and larger interceptors in our sanitary sewer systems have presented expensive challenges and critical risks. For the Fort Worth ICAP project, the team uses multi-sensor inspection platforms developed and built by RedZone Robotics. The floats contain a high-definition TV camera, sonar module and a 3-D Laser module to gather data regarding condition of the pipe. Combined, these systems have inspected more than 5 million linear feet of wastewater infrastructure worldwide. With the high-resolution images and models, inspectors can examine the condition of pipe walls, location and amount of debris, and defects in the pipe wall.

One of the most useful pieces of data collected by ICAP is the measurement of the inside diameter of the pipe. These measurements of the interior pipe wall are compared to the original specifications to determine the wall thickness loss. This loss is then used to assign pipe segment condition scores, known as Remaining Useful Life (RUL). There are five RUL scores describing loss of wall thickness. A score of one has the lowest amount of material loss, and an estimated lifespan of more than 35 years. Pipe segments scoring a five have significant material loss and are considered to be in imminent failure and in need of emergency rehabilitation. Flexible pipes are scored based on the measured ovality. With the RUL estimates, the City has targeted rehabilitation efforts to portions of pipelines that are at risk of failure, rather than traditional manhole-to-manhole replacement.

The Fort Worth Water Department presently is conducting the world’s largest known implementation of ICAP to inspect the city’s large diameter sewer lines. Through seven years, Fort Worth has inspected more than 198 miles of large-diameter interceptor, saved more than $8 million in cleaning costs and $26 million in reduced capital improvements. These savings result from the Water Department’s ability to focus financial resources on only the interceptor sections that need attention. Fort Worth found that only 30% percent of inspected pipes needed cleaning. Previously, traditional approaches would have required that 100% of the interceptors be cleaned before inspection could begin. On average, less than 10% of the inspected footage each year is identified as needing short-term or emergency rehabilitation

Stephen Johnson, is a Project Manager in FNI’s Water/Wastewater Master Planning Group. He has experience in water and wastewater master plans, physical and desktop condition and risk-based assessment programs, and water and wastewater CIPs. In addition, Stephen has experience working with multiple hydraulic modeling software packages, including InfoWorks ICM, InfoWater, and InfoSewer. He is also experienced in a variety of data management programs, including ITPipes, GraniteNet, and InfoAsset Planner.

Meeting Location, Cost, and Parking

Cost for Member and Guests

$20 / Students $5 – includes dinner and a beverage – Click here to Prepay via PayPal orcredit card

Free parking is available across the street from the restaurant in the Attorney General
Parking garage, after 6 pm.

YP Update

Upcoming Events :

  • Kayak Cleanup completed on 10/19 at Live Love Paddle from 9-11am.

Upcoming Events :

  • Coats for Kids – 12/7 – Palmer Event Center

Sponsorship alternatives have been developed in a way of keeping meeting cost low for all attendees. Sponsorship options include Classic (meeting), Gold, Platinum, and more! For more details, please contact Chris Pasch 512-452-5905,

Special Thanks to the Central Texas Section

Platinum Sponsors

Environmental Improvements, Inc., established in 1966 is a Manufacturer’s Representative firm specializing in water and wastewater treatment. We represent a complete line of manufacturers capable of treating all variations of municipal water and wastewater applications. Coupled with our product service we have been providing treatment equipment and solutions in Texas for over forty-five years.

Municipal Valve & Equipment Company provides Utilities and their Consultants flow control solutions including drainage backflow prevention, pump/flow control and critical energy dissipation. Our service team will repair your actuators and control valves onsite. Request a quote to remove and replace antiquated valves and actuators with our industry leading products turnkey!

At Plummer, we truly believe that Water is Precious…
As a result, our practice has been focused on the protection and development of water resources for our clients and their customers for 40 years. We are a firm of over 120 engineering and scientific professionals dedicated to planning and design of water infrastructure. Dedicated to water resources and environmental engineering, our firm balances sound engineering principles with innovative technology tailored to our clients’ needs. From initial project kick-off, through stringent QC review, to a completed project, our focus stays on developing cost-effective
solutions for our clients. We are involved from project inception to implementation and every step in between. It is what we do every day, as opposed to what we do when we have that type of project. We are proud to be one of the top engineering firms in Texas and Louisiana (ENR TX&LA 2018). Because of our focus on water-related matters, our engineers and scientists have become recognized experts in their fields at the local, state, and national level. Our motto is “quality deliverables on schedule…without exception.”

When you work with Stantec, you work with an award-winning team of more than 22,000 specialists working in over 400 locations, with over 150 staff in Austin. We collaborate across disciplines and industries to bring infrastructure projects to life. Our work—engineering, architecture, interior design, landscape architecture, surveying, environmental sciences, project management, and project economics, from initial project concept and planning through design, construction, and commissioning—begins at the intersection of community, creativity, and client relationships. Our local strength, knowledge, and relationships, coupled with our worldclass expertise, have allowed us to go anywhere to meet our clients’ needs in more creative and personalized ways. With a
long-term commitment to the people and places we serve, Stantec has the unique ability to connect to projects on a personal level and advance the quality of life in communities across the globe.

Hartwell Environmental Corporation represents leading manufacturers of water and wastewater treatment equipment used in municipal and industrial treatment facilities. Hartwell Environmental Corporation was founded in 1997. We have expanded from our headquarters in Houston to three branch offices in Austin and Arlington, TX and Tulsa, Oklahoma. Our expansion has allowed us to better serve the municipal and industrial facilities in the states of Texas and Oklahoma.

DCS Engineering, LLC is a full-service locally owned engineering firm with company headquarters located in Austin. DCS provides civil engineering consultingservices on small and large infrastructure projects, specifically municipal water, wastewater, and transportation planning, permitting, design, construction administration, and operational trouble shooting.

DCS’s list of services includes managing and providing master planning; modeling; water supply; CIP list development; design of elevated storage tanks, pumping stations, ground storage tanks, waterlines, reclaimed water systems, water treatment plants, wastewater treatment plants; process design; plant process analysis/trouble shooting; lift stations; sanitary sewers, sewer rehabilitation; odor and noise control; biosolids treatment; assimilative modeling; TPDES permitting; mechanical, structural, roadway design, and drainage. Simple solutions to complex problems, integrity, and open communication with Owners and Operators are the foundations upon which the firm has been built.

Gold Sponsors

Working with local governments and municipalities for more than 50 years, Hanson understands the challenges and the diverse demands placed on your organization and staff. Our experienced team offers a range of planning, engineering and management services, from bridge work, facility design and transportation planning to water system design, utility coordination and environmental studies. We also are available to assist you with public-involvement initiatives and communicating the challenges and potential solutions with members of your community. While we are consistently recognized for dependable, quality work, it is our hands-on approach that sets us apart — an approach based on quality consulting; honest answers; and practical, cost- effective solutions.

Special Thanks to the Central Texas Section

September Meeting Sponsor

Freese and Nichols, Inc.

Freese and Nichols, Inc. (FNI) is a client-focused, regionally based firm with national expertise. From 17 offices across Texas, Georgia, North Carolina and Oklahoma, we work seamlessly together across all disciplines, giving our clients the benefit of multi-service integration with an approach that is as innovative as it is practical. Together, more than 500 professionals deliver top-tier professional services that reflect the FNI vision – to be the firm of choice for clients and employees. In the last 10 years, FNI has performed more than 350 treatment projects and designed more than 730 miles of pipeline and pump stations that provide more than 3.9 billion gallons per day to municipal and industrial clients.

Special Thanks to the Central Texas Section

Corporate Sponsors

WEAT CTS Officers


Greg Kirton 512-972-2053


Chris Pasch 512-687-2162


Jessica Vassar 512-617-3100


Will Chandler 512-338-4212


Sean Mason 512-646-2238

Section Rep

John Marler 512-912-5188


Jason Bybel 512-338-1704

WEAT Membership

Are you a member of WEAT? If not, here are a few reasons why you should
become a member TODAY:

  • Great training and networking opportunities with continuing education credit to maintain licenses
  • $150 savings on Texas Water registration
  • Dependents are eligible for multiple scholarships
  • Receive the Texas WET magazine and e-Newsletter
  • Become an automatic member of your section

You can join online today at or e-mail

Get our Updates

By submitting this form, you are consenting to receive marketing emails from: WEAT Central Texas Section, 6300 La Calma, St 400, Austin, TX, 78752, You can revoke your consent to receive emails at any time by using the SafeUnsubscribe® link, found at the bottom of every email. Emails are serviced by Constant Contact