It seems as though many times, we watch a TV commercial or pick up a product at the store, highlighting how strong, sustainable, or resilient that product proclaims to be. These attributes tend to be so overutilized that many people fail to recognize the true meaning when these terms apply to a specific product. However, many individuals have come to know and appreciate the value and worth of the term resiliency when selecting drinking water and even wastewater pipeline materials.
The water industry in the United States has experienced many challenges throughout the years. The good news is that these challenges have been met head-on by experienced, dedicated professionals who continue to provide their customers with clean, safe drinking water even though the bar of excellence continues to rise. One measure depicting the priority of these challenges is the State of the Water Industry Survey, conducted annually by the American Water Works Association. “AWWA’s State of the Water Industry (SOTWI) Survey is designed to identify water sector challenges and investigate possible underlying causes and drivers. In November 2022, when the survey closed, 4,123 water professionals had shared their opinions by responding to the survey—our highest number of responses yet!”(1)
Over the years, products manufactured in our country have continually provided us with resources to enhance our quality of life. One key component in this regard is the diligence we have seen from various entities to ensure products are manufactured properly, safely, and in a manner that protects the environment and sustains economic viability. In this Iron Strong Blog, initially published in January 2021 and now updated to reflect today's climate, we will discuss why to consider a domestic onlyDuctile iron pipe (DI pipe) specification.
A major goal of a water utility is to increase its safe yield as it can directly relate to economic development, potential limiting of new customer connections, or quality of life in general when ample water supply is limited. In this #IronStrong Blog, we will discuss factors that affect safe yield and strategies to ensure it.
There are many "moving parts," as water professionals know, in the operation of a water system. The intricacies of not only supplying customers with a safe water supply but assuring that supply is adequate, including paramount necessities such as fire protection, many times create an ever-changing balance of key parameters within the water system. When the system operator affects such changes, there should be no concern by the operator regarding the transmission and distribution system to accommodate these changes. This article will highlight two system components that can be directly affected by material selected for system underground infrastructure.
When I first started my engineering career, I was placed in charge of coordinating the relocation of water transmission and distribution pipelines to accommodate the construction of an interstate highway through a city of approximately 180,000 residents. Many times, these projects required pre-poured thrust block restraints due to the amended connections between new and old waterlines in a short timeframe so as not to leave customers inordinately out of water for long periods of time.
During the decades in which I have managed large and small water utilities throughout the country, I have experienced several challenging scenarios. Whether it was a major oil spill in the river that provided our raw water supply, a winter with sub-zero temperatures and no snow cover where small water mains were frozen solid in the ground, or the total transitioning from a groundwater source to a surface water source with all the different treatment methodology involved, I had never considered the terminology “the new normal.”
We in the United States are most fortunate, for the most part, to have access to safe, clean drinking water. Even when traveling, we are not hesitant to draw water from a hotel faucet to brush our teeth or even fill a glass to drink. This privilege is no accident.
Why is your bottom-line important to us? For more than three decades, I had the privilege to serve within the nation's largest investor-owned water utility. During that time, I clearly saw the advantage of a financially sound utility. Whether it be having the resources to invest in needed facilities, provide a work environment that would attract well-qualified people, or purchase needed supplies and equipment to operate the business effectively. These are just a few advantages of maintaining a strong bottom-line.
In this third installment about Sustainability and Resiliency for our Iron Strong Blog, we are focusing on the resiliency of pipe and pipelines as a result of natural disasters such as storms, floods, and wildfires. While earthquakes and seismic events also need to be considered, much has been written on those aspects and we will discuss them in our next installment. Resiliency means many different things to many different people, and its definition is often a matter of perspective and need. Put simply, resiliency is the ability to survive, resist, or recover from damage due to some external hazard.
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