Engineering Inc. - March/April 2005 - (Page 29)

David Kennedy Steve Masters President/CEO Public utilities administrator Kennedy/Jenks Consultants and San Francisco Nicole Fleck-Tooze How can engineers and water utilities better work Special projects administrator together to stretch limited funding? Lincoln, Neb. ater utilities are facing needs to upgrade W What are the most critical water quality issues their systems because of changing water facing the industry? quality requirements, increasing demand associated with growth and replacement or renovation due to age and wear and tear. However, almost all water he challenge is finding a balance between T utilities also are financially constrained. Consulting engineers can serve a key role operations, maintenance, growth and regula- in helping resolve these conflicts. This can best be accomplished when the consult- tion. Water supply, wastewater and water- ing engineer has formed a trusted adviser relationship with the utilities' decision shed stormwater programs all require master makers. Initially, a consulting engineer needs to develop an understanding of the planning, monitoring, significant operations activ- water utilities' needs, objectives, policies and resources. ities and, ultimately, conformance with water qual- If limited funding is to be optimized, this understanding needs to go beyond a ity standards. specific project. When possible, financial considerations should be about total life Seasonal variations in source water supply quality cycle costs, not just the design fee or the construction costs. Because most utilities are receiving greater attention, with stream-recharge are self-funding enterprise operations, we need to help our clients think in terms of characteristics, water temperature and agricultural both pay now or pay later and total life cycle cost when deciding on a specific chemicals having a direct effect on well field man- improvement. For example, a life cycle cost analysis would show whether using a agement. These factors influence treatment plant larger diameter pipe could save future energy costs. operation and, ultimately, finished water quality. Often, existing facilities can be creatively adapted or modified for changes in Distribution system water quality is seen to be a treatment processes and increased hydraulic capacity. Again, an understanding of dynamic operations consideration in assuring ade- the client is important to determine whether interim or long-term improvements quate disinfection levels and minimizing taste and are more cost-effective. odors. The promulgation of new standards, changes in sampling locations or revision of a contaminant standard are health-based issues; yet, a seemingly minor adjustment in any of these may create a major capital need for a public water supply. Bruce Florquist With wastewater, it is a given that areas identified for growth must have expanding trunk systems, and Director of public works timely design/construction and off-site improve- Rawlins, Wyo. ments, including treatment. Seasonal variations in What are the most critical water water quality require coordination with state and federal agencies to allow adjustments in levels of quality issues facing the industry? treatment. And regula- tory actions driving ith the increasing evidence of global W nutrient standards, warming, those of us in the water profes- blending and endocrine sion should take a new look at future disruptors may create a water quality issues and how they may or may not work with potentially signif- major capital need for icant changes in climate, precipitation patterns and recharge characteristics, as our operation. well as salt water intrusion from rising sea levels and other related issues. On the watershed Those who argue that there is no hard evidence for global warming are not front, intensified land being realistic and are not planning for the possibility that it is real and acceler- use for a given area and ating. By the time there is enough evidence to convince some people, it may be growth cause changes in too late to do anything about it. receiving water body Studies in both the Arctic and Antarctic indicate that polar ice is thinning quality and quantity. and receding. Some studies have cautioned that animals such as polar bears The challenge is that may face extinction. Similarly, warming waters in the Antarctic may be having master planning, sedi- an effect on krill, which is the primary food source for a variety of creatures ment enforcement and from whales to penguins. basic drainage system If the food chain is collapsing in such areas, can we expect the same to hap- management compete pen in fresh water? And, if it does, what happens to the water chemistry that for dollars, often with we have become accustomed to? Water planning has always been a long-range other general fund-based project. We need to start thinking even farther into the future. programs. March l April 2005 ENGINEERING INC. 2 9

Table of Contents for the Digital Edition of Engineering Inc. - March/April 2005

Table of Contents
From ACEC To You
Ask Members
News & Notes
Market Watch
Legislative Action
COVER STORY: A Perfect Legal Storm
Interview With F. James Sensenbrenner, Jr.
Is There an Engineer in the House
The ABCs Of ESOPS
ACEC/PAC Donations Break All-Time Record
ACEC Roundtable
Members In the News
One on One

Engineering Inc. - March/April 2005

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