Creating a better pavement
Roads & Bridges
October 2005
Fred Faridazar and Mauricio Ruiz
These predictive capabilities will help designers, contractors and concrete suppliers identify factors that can contribute to achieving good-performing pavements.
Ready When UR
Infrastrucure Security 2005
October 2005
Allan J. DeBlasio and Terry Regan
Spotlight on Cyber security
Infrastrucure Security 2005
October 2005
Douglas Johnson
Organizations of all types—water and wastewater facilities included—are dialing up security measures as this issue continues to take on increased significance in response to recent events.
History in the remaking
Infrastrucure Security 2005
October 2005
Sherif Morcos, Ph.D, P.E.
Seismic analysis and retrofit of historic arch bridges involves a thorough understanding of their structural behavior.
Show white
Roads & Bridges
September 2005
Jennifer G. Prokopy, Contributing Author
Out of the Pipe, Into the Watershed
Water & Wastes Digest
September 2005
By G. Tracy Mehan, III
“We are flying blind when it comes to making decisions about how best to address water quality problems and allocate our limited resources for cleanup, pollution prevention and restoration.”
Reassessing Water Security
Water & Wastes Digest
September 2005
By Jessica Moorman
Beyond the hype, how will security regulations and upgrades translate into an everyday routine for water utility personnel?
Selecting The Best Fluid Sampler For Your Needs
Water & Wastes Digest
September 2005
By Patsie Wyatt
This article focuses on the two main types, peristaltic and vacuum/compressor, though other types do exist such as a dipper and gravity flow.
Blown Out of the Wastewater
Water & Wastes Digest
September 2005
By Jon Zabrocki, P.E. and Paul Larson, P.E.
By precisely controlling pressure in the air header and modulating airflow to each aeration zone to maintain set point DO levels, the energy usage is minimized through efficient operation.
Seizing an Opportunity for Expansion
Water & Wastes Digest
August 2005
Tim Gregorski
Despite concerns of product recitation in the marketplace, many U.S. companies are currently conducting very profitable business ventures in China with plans to do much more as the Chinese government spends billions of dollars upgrading the nation’s infrastructure.
Adapting to Arsenic Rules
Water & Wastes Digest
August 2005
By Wendy L. Chambers and Roman J. Aguirre
The proposal consisted of supplying more than 300 tons of GFH adsorption media and 35 large diameter pressure vessels, including instrumentation and controls as well as backwash storage tanks.
Evaluating Arsenic Removal Technology
Water & Wastes Digest
August 2005
By Tom Mills
In addition to capital and operating costs, an arsenic removal technology should be evaluated on a variety of performance criteria as well as the technology supplier’s experience in the arsenic removal market.
Keeping Odor Under Control
Water & Wastes Digest
August 2005
By Ed Sullivan
“We are very concerned about maintaining an odor cap,” said David Williams, project engineer at Shell Oil (Shell Manufacturing) Martinez Refinery, California “Our treatment pond is about 1/4 mile from a residential community. We’ve got a delicate situation where even just a slight amount of odor could arouse complaints from the community. So, we keep a close eye on it.”
Pipe Flexible for Various Applications
Water & Wastes Digest
August 2005
By Tanya Rouce
Working on a tight timeline, contractors finished the work between January and June 2004. It is the largest such project completed by Artesian Water to date.
Set it & Forget it
Water & Wastes Digest
August 2005
By Bob Elliott
Keeping the environment clean is a top priority for the authority. Wastewater is processed biologically, with none of the chemicals that are typically used, and achieves complete nitrogen removal. Specifically, the process removes CBOD, suspended solids, ammonia as nitrogen, nitrates, nitrites and phosphorus.
Decentralized Wastewater Systems
Water & Wastes Digest
August 2005
By Craig Lindell
In the new world of water, the command and control structures, and most of the language and processes that supported the public health and water pollution control approaches to wastewater management are not sufficient to address nonpoint pollution, the integrity of the coastal zone ecology, sustainable watershed standards or water reuse.
Care to Share?
Roads & Bridges
August 2005
Norman W. Garrick Contributing Author
Shared streets rely on social rather than regulatory controls to govern how all users behave. Where there is a mix of different types of users, this design approach can be very effective.
Omaha's Insurance
Roads & Bridges
August 2005
David Meier, P.E. Contributing Author
Without a doubt, detailing the construction phasing and traffic control plan was the toughest task of the final design.
Scratching the Surface
Roads & Bridges
August 2005
Kathryn A. Zimmerman, P.E. Angela S. Wolters, P.E. Contributing Authors
Selecting Flow Monitoring Technologies for Your Agency
Water & Wastes Digest
July 2005
By Patrick Stevens
The EPA recognized the difficulty faced by municipalities as they try to sort through the performance claims by manufacturers of environmental equipment, and several years ago developed the Environmental Technology Verification (ETV) Program to verify performance of several types of air- and water-related equipment including flow meters.
In a League of its Own
Water & Wastes Digest
July 2005
07/05/05
The design and aesthetic features of the plant are what overcame any NIMBY objections,” Nespeca said.
In Control & Beyond Expectations
Water & Wastes Digest
July 2005
By William F. Verona and Robert Rumelfanger
“This system has been operating beyond expectations,” commented Philip D’Angelo of JoDAN, “The treated water is well within the compliance limits mandated by the utility’s discharge limits, at only a fraction of the cost previously observed.
Upgrade for the digital work zone
Roads & Bridges
June 2005
By Deborah Curtis
When QuickZone showed that traffic congestion would likely be significant, further analysis was done on options to prevent lengthy delays.
Manufacturers may not make it
Roads & Bridges
June 2005
By William M. Wilkins
While Indiana’s roads and bridges still provide motorists with a high level of mobility, it is urgent that improvements be made now to accommodate future travel needs.
A guide to HPC
Roads & Bridges
May 2005
Lou Triandafilou, P.E.
The HPC Exchange features detailed results from a 2003-04 survey of HPC implementation nationwide. According to the survey, 77% of states have used HPC in low-permeability concrete for structures and 58% have used it in high-strength concrete.
Seismic Bridges
Roads & Bridges
May 2005
Arthur Schurr, Contributing Author
California installs an aggressive seismic retrofit effort
Widening the technology
Roads & Bridges
May 2005
Noah Wilson Contributing Author
The TMC has at its disposal 31 fiber-optic and dial-up dynamic message signs (DMS), 45 high-technology CCTV cameras, 11 Road Ranger patrols, a severe incident response vehicle and 13 static motorist assistance signs. It also controls 1,325 traffic signals (with emergency vehicle preemption at 298 signalized intersections), as well as 900 school flashers. Those assets enable the TMC to monitor traffic on the major freeways and arterials throughout the county, including I-95, I-595 and I-75. Motorists, though, don’t want to know the specifics; they just want to know that it works.
Biting into a mountain
Roads & Bridges
May 2005
Mike Douglas and Gary Williams
the national trend away from new construction to the preservation of the existing highway system is requiring NDOT as well as other highway agencies to seek alternative approaches to pavement preservation that will conserve resources. Recently, NDOT pushed its CIR experience to the limit by requiring a CIR with overlay rehabilitation strategy on Rte. 207, Kingsbury Grade, near Carson City, Nev.
The old with the New
Roads & Bridges
May 2005
Jo Sias Daniel
The purpose of this study was to examine the effect of RAP on the volumetric properties and stiffness of HMA.
If you can’t say something nice
Roads & Bridges
May 2005
By David Matthews
When the neighbor refused to turn down the TV volume, the BMW owner got into her car, drove across the neighbor’s lawn, crashed through some patio furniture and rammed right into the side of the neighbor’s
residence.
Industry Insider: Improving the Industry
Water & Wastes Digest
May 2005
Involved in numerous water quality and wastewater projects, James Clark a vice president and senior project manager at Black & Veatch, envisions what it takes for our industry to continue to be effective
Just Another Day at the Beach
Water & Wastes Digest
May 2005
By Don Richard
Together, these systems were insufficient for near-term demand and they fell far short of the projected future needs for this fast-growing community.
Wisconsin Shaping Water Treatment
Water & Wastes Digest
May 2005
By Tom Bunker, Mark White and Scott Lenhardt
Racine WTP opted for membranes because of their ability to provide an extra barrier against waterborne pathogens to the 110,000 people served by the plant.
Reservoir Tank Is One of A Kind
Water & Wastes Digest
May 2005
By Judy Horning
This expansion project is part of a long-term citywide capital improvement program to improve the infrastructure and services that provide San Diegans with safe drinking water.
Caldwell Tanks Goes the Extra Mile for Kids
Water & Wastes Digest
May 2005
By Denise Covelli
Caldwell Tanks of Louisville, Ky., helped create this unique tank design for Kyle and Pattie Petty’s Victory Junction Gang Camp, which opened last summer to provide a haven for chronically ill children.
Time Saved Testing Pays Off
Water & Wastes Digest
May 2005
By Adam Potter
Many wastewater plants are switching from fecal coliforms to monitoring for E. coli and Enterococcus, because the EPA has identified these bacteria as the best indicators of fecal contamination in water.
One Event You Can’t Miss
Water & Wastes Digest
May 2005
Tim Gregorski, Editorial Director
In a recent interview I conducted with AWWA Deputy Executive Director Paula MacIlwaine, more than 12,000 industry professionals are expected to attend.
Spotlight on Cyber Security
Water & Wastes Digest
April 2005
By Douglas Johnson
No less important are cyber security measures that ensure the integrity of an organization’s financial and/or operational information systems.
Take A Measure of Prevention
Water & Wastes Digest
April 2005
By Alan Austin
Fixed-point and/or portable gas detectors are essential to protect workers and equipment, as well as an OSHA and EPA requirement.
Electronic Scale Prevention
Water & Wastes Digest
April 2005
By Richard W. Lee
City of Las Vegas wastewater recycling facility uses advanced technology to eliminate mineral scale fouling without chemicals or maintenance
Peace of Mind
Water & Wastes Digest
April 2005
By Julie A. Schlegel
Since the late 1980s, operators at the King County South Treatment Plant have been utilizing DAFT tank effluent turbidity measurements to control polymer dosing via an automated single-loop-cascade control system.
Siphoning Out a Solution
Water & Wastes Digest
April 2005
By Bob Patterson and Sophie Pease
For years the city had relied on the nearby Thornhollow Springs and a series of eight wells for water, until the EPA concluded that the aquifer was under the influence of surface water and raised concerns that waterborne pathogens could contaminate the springs.
The Trillion Dollar Maybe
Water & Wastes Digest
April 2005
By Tim Gregorski
Anyway, ASCE’s report is nothing to laugh at, in fact, we should be quite embarrassed as overflowing sewers and aging drinking water facilities have almost become the norm in the U.S.
The tollway bandits
Roads & Bridges
March 2005
By Bill Wilson, Editor in Chief
As more tolls pop up and more are increased, will the Macks, Freightliners and Internationals of the world seek escape hatches?
Flushing Away Waste Problems
Water & Wastes Digest
March 2005
The Monster Airport Receiving Station, installed as part of a multi-terminal upgrade project, was designed and manufactured by JWC Environmental.
No Longer Singing the Blues
Water & Wastes Digest
March 2005
By William H. Simendinger
Composite valves incorporated into Blue Plains Advanced Wastewater Treatment Plant outperform expectations while helping improve operations
Indecent Proposals?
Water & Wastes Digest
March 2005
By Tim Gregorski
The Bush Administration is seeking to cut the EPA’s budget in FY 2006 by $500 million from $8.1 to $7.6 billion.
Population Boom Leads to Plant Expansion
Water & Wastes Digest
March 2005
By David Braden
Recent upgrade allows the Poplar Grove Utility District in southwestern Tennessee to accommodate the needs of 8,000 more residents
Up - Loading
Roads & Bridges
February 2005
Y. Edward Zhou, Ph.D., P.E., Contributing Author
The remaining life of a bridge—whether it is fit for continued service—can be evaluated with reasonable precision, and the results often indicate that the structure is more serviceable than expected.
Raising the bar
Roads & Bridges
February 2005
By Bob Templeton
TxDOT’s Amarillo District’s new motor grader lay-down blade and skid box allow HMA to be laid to the desired width and depth with one pass of the grader.
Industry Responds to Water Crisis
Water & Wastes Digest
February 2005
By Tim Gregorski
In addition to the response from governments and people around the globe, I could not help but think what our industry could do to assist.
All in a Day’s Work
Water & Wastes Digest
February 2005
By Tim Gregorski
Ongoing water wars, responding to hurricanes and protecting watersheds part of the daily grind for the Southwest Florida Water Management District
Maneuvering More from Drive-by AMR
Water & Wastes Digest
February 2005
By Betsy Loeff
“As a result of our project, we’ve learned a lot about water meter automation issues,” Adkins said.
Future of Meters/AMR Rates High
Water & Wastes Digest
February 2005
Tim Gregorski, Editorial Director
As many of you already know, water utilities lose thousands of dollars in revenue each year because of faulty water meters. Consequently, meter replacements can benefit a water utility in the long run in terms of increased reliability and eliminating the lost revenue.
Building a Better Community
Water & Wastes Digest
February 2005
By Marcia Kinley
Kennewick, Wash.’s installation of low maintenance flowmeters contribute to overall success of modified sewer system
Going with the Flow
Water & Wastes Digest
February 2005
By Brian Roughan
Appomattox, Va. River Water Authority recently installed an electromagnetic flowmeter in their fluoride feed line to measure instantaneous and total flow
Finding Leaks Leads to Saving Money
Water & Wastes Digest
February 2005
By Betsy Loeff
We hate the expression unaccounted-for water,” Carl Yates, the utility’s general manager, said. “So we started using our SCADA system to monitor nighttime flows in an effort to understand consumption patterns and identify potential problems.”
An Asset Coming of Age
Water & Wastes Digest
February 2005
By John Hengesh
At a basic level, AMR technology enables accurate and timely meter reading with unprecedented efficiency.
The Effects of Flow Conditioning
Water & Wastes Digest
February 2005
James E. Gallagher
The role of flow conditioning is to ensure that the “real world” environment closely resembles the “laboratory” environment
Automatic Water Accountability
Water & Wastes Digest
February 2005
By David A. Herchko
With compound annual growth at over 30% in units over the past five years and market penetration at just over 18%, the future for AMR systems in the water utility market looks very exciting
Meter System Withstands Hurricane Ivan
Water & Wastes Digest
February 2005
While the worst hurricane in recent history did wreak havoc on the countryside, the Uriah Water System successfully weathered the storm.
Flashing lights and neon vests
Roads & Bridges
January 2005
New research, technology has the work-zone safety industry moving forward. The main area of concentration is increasing the visibility of work zones for motorists.
Trail takes the lead
Roads & Bridges
January 2005
Dwight Carter, P.E., and Mike Bishop, P.E., Contributing Authors
Growing transport traffic added to the effect of morning and afternoon drive times as commuters from the bedroom communities south of Calgary swelled traffic volumes.
Hurri-over
Roads & Bridges
January 2005
Deborah White, Contributing Author
A blur of 18-hour days for Florida Department of Transportation (FDOT) workers and private contractors started Aug. 13 when Charley struck Cayo Costa, a barrier island in southwest Florida.
Waging the minimum
Roads & Bridges
January 2005
Kenneth S. Opiela, Contributing Author
This NPRM represents the culmination of many years of efforts to determine minimum levels for traffic sign retroreflectivity and develop methods to bring in-place signs into compliance.
New Catch Phrases
Roads & Bridges
January 2005
Robert Apel, Contributing Author
OSHA reports an annual average of 362 fatalities from 1995 to 1999 due to falls, a trend that appears to be continuing. Fall protection language changes to protect the worker.
Raising the bar
Roads & Bridges
January 2005
By Bob Templeton
TxDOT’s Amarillo District’s new motor grader lay-down blade and skid box allow HMA to be laid to the desired width and depth with one pass of the grader.
Using Baseline Monitoring Techniques to Assess Filter Run Performance
WWDmag.com
January-December 2005
Michael J. Sadar and Kathleen Bill
Determining if a filter run is approaching a breakthrough condition is a daily challenge for water treatment plant (WTP) operators. Current techniques look for upward trends in either turbidity or particle counts of the filter effluent. However, this does not consistently predict actual filter breakthrough. This study’s objective is to determine if data from different particle detection technologies can be better utilized to characterize filter performance.
PDF Version
The Application of Simplified Process Statistical Variance Techniques to Enhance the Detection of Filtration Integrity Loss
WWDmag.com
January-December 2005
Mike Sadar
Process monitoring for loss of filtration integrity is often performed using basic light scatter detection methods such as turbidity and particle counting. These methods monitor for the presence of particles in the filtration effluent (permeate). The industries where these parameters are most widely used include drinking water and ultra-pure water production. The recent upward trend in the application of membrane systems for drinking water production enhances the need for technologies with higher sensitivity and greater reliability because the loss of filtration integrity could directly impact human health.
PDF Version
Building a Tank Within a Tank
Water & Wastes Digest
January 2005
By Maureen LeCocq
The solution was to build a 2.8 million-gallon water storage tank-within-a-tank.
AMR Results Speak Volumes
Water & Wastes Digest
January 2005
Buddy Morgan
Montgomery, Ala. became a field test site for the R900 RF MIU during its product development phase. This test provided confirmation that AMR would be a viable solution for the city.
New Perspectives on Heavy metal
Roads & Bridges
December 2004
Allen Zeyher, Associate Editor
Cat’s excavator of the future has a cab that sits inside the boom, where the operator has the best view of the bucket.
Controlling Micro-Organisms
Water & Wastes Digest
December 2004
By Ivars Jaunakais
This article deals with the control of microorganisms by disinfection with chlorine
and DPD chlorine testing.
Ten Practices of Highly Effective Water Utilities
Water & Wastes Digest
December 2004
By Janice A Beecher
The concept of continuous improvement complements the idea of developing a water systems’ capabilities over time to ensure safe and reliable water service.
Measuring Chlorine Disinfection
Water & Wastes Digest
December 2004
By Frank Kaiser and Bill Fehrman
This disinfectant is used by more than 90% of the drinking water plants in the U.S., and more than 200 million Americans and Canadians receive chlorine-disinfected drinking water every day.
Steady But Sure
Water & Wastes Digest
December 2004
By Tim Gregorski
Additionally, WWD asked those interviewed for their comments on what the industry can expect in 2005.
Shining through
Roads & Bridges
November 2004
Corrina Stellitano, Contributing Author
“There had been a bridge inspection just two months earlier and this crack was not discovered.”
Understanding Risks, Maintaining Security
Water & Wastes Digest
November 2004
By Richard Baril
Plants today better understand the risks, but addressing all of the security concerns can be a complex and daunting task.
Quicker than Routine
Water & Wastes Digest
November 2004
By Mark Vandiver and Sandra Johnson
The Huntington (W.V.) Wastewater Treatment Plant is a conventional system along the Ohio River, which processes 12-14 mgd.
Trouble Ahead ?
Water & Wastes Digest
November 2004
By Megan Rapaduski
If the U.S. and Canada do not invest in their aging water infrastructure systems, the potential for more outbreaks of waterborne diseases will increase
Mission Possible
Water & Wastes Digest
October 2004
By Megan Larson
When the conditions are right, the Struvite will rapidly form crystals that spread throughout a pipeline forming a concrete-like crust.
Keeping Up With the Times
Water & Wastes Digest
October 2004
By Tim Gregorski
WWD examines some of North America’s the latest municipal upgrades.
New vs. Old Thinking
Water & Wastes Digest
October 2004
By Craig Lindell
Despite the success of the EPA grants program the quality of the nation’s water resources continues to decline.
Parameters for Water Quality Field Testing
Water & Wastes Digest
October 2004
By Tony Pagliaro
The most important clues for a water treatment professional’s decision-making process come from accurate water quality analysis information.
Managing Onsite and Decentralized Wastewater Systems
Water & Wastes Digest
October 2004
By A. R. Rubin
With the exception of the Class V wells, onsite/decentralized systems are not regulated directly at the federal level and there are major inconsistencies in the management approaches utilized to sustain an onsite wastewater infrastructure at the state and local level.
Treading water
Roads & Bridges
October 2004
Imad L. Al Qadi, Contributing Author
Proper friction measurements are needed to keep pavement free of ice during the winter season. Currently, the road surface conditions and safety are assessed visually, which is a subjective measure.
Big Brother is watching
Roads & Bridges
October 2004
By David Matthews
A wheelchair-bound man with cerebral palsy was ticketed by subway security for cursing when he was unable to find a working elevator to leave a station.
Partnering for quality
Roads & Bridges
October 2004
By Bob Templeton
Training and certification programs help ensure a well-qualified and skilled work force and are vital to the overall quality equation.
A Private Eye
Roads & Bridges
September 2004
Joe Hall, Contributing Author
The initial project, begun in July 2000, is a seven-year contract covering 253 miles of I-75 between Miami and Ocala.
Protection is Calling
Roads & Bridges
September 2004
Joe Walker, Contributing Author
A look at safety precautions on the massive Woodrow Wilson Bridge project. Hardhats, safety glasses and high-visibility safety apparel are mandatory for PCC personnel when working around moving vehicles on the $2.6 billion project.
HCWSA Takes Part in Terrorism Response Training
Water & Wastes Digest
September 2004
By Luke Stevens and George Bonnett
Realizing the importance of collaborative efforts within county government departments and among neighboring jurisdictions, the authority asked managers from the Henry County Police Department, the Henry County Fire Department, as well as public works officials from surrounding counties to join them in the counter-terrorism training.
Providing a One-Two Punch
Water & Wastes Digest
September 2004
Lianna Mah
The Oakville plant treats 109 million liters per day of water from Lake Ontario.
The Simple Life
Water & Wastes Digest
September 2004
By Ben Beaudoin
A PDA is able to download data from the datalogging equipment, therefore maintenance personnel can analyze the information and correct problems on site.
Let the Debating Begin
Water & Wastes Digest
September 2004
By Larry Kolbert
Less maintenance translates into less money being spent from a water or wastewater maintenance budget for both spare parts and labor.
Securing the Nation’s Wastewater Infrastructure
Water & Wastes Digest
September 2004
By Denise Covelli
The nation’s wastewater infrastructure is one of America’s most valuable assets, and several industry groups are working hard to safeguard it.
Dealt A Straight Flush
Water & Wastes Digest
August 2004
By Dan McKeague
“Flushing, especially early in the year, was taking my employees away from other, more productive tasks” said Jason Green, owner of CWS.
New Desalination Method Reduces Energy Costs
Water & Wastes Digest
August 2004
By Denise Covelli
The Long Beach Seawater Desalination Research and Development Facility will be the nation’s largest, using dual-stage nanofiltration technology up to 30% more energy efficient than conventional methods
In the Wake of the Flood
Water & Wastes Digest
August 2004
By Ralph J. Davila
Cuyahoga Falls, a city of 50,000 and one of the most severely impacted areas in northeast Ohio, was declared a federal disaster zone…
IS Teams Aid AMR Installations
Water & Wastes Digest
August 2004
By Betsy Loeff
Honeywell installers began deploying the 87,000 Hexagram endpoints in the utility’s fixed-network system two years ago.
DCWW Power, Politics and Paradigm
Water & Wastes Digest
August 2004
By Craig Lindell
However, its real capacity (decentralized wastewater treatment) to address budget challenges, nonpoint pollution and the watershed agenda remains unrealized.
No More Pipe Dreams
Water & Wastes Digest
August 2004
Editorial
On the verge of becoming an epidemic, the rate at which pipes are bursting within our infrastructure parallels the occurrences of potholes on the roadways during the wintertime…
Plastics charge
Roads & Bridges
August 2004
John E. Shea and Lew Koflowitz, Contributing Authors
It is because of FRP’s light weight, durability and resistance to fatigue, stress and corrosion that it is receiving increased scrutiny from the marketplace.
Bridges With More
Roads & Bridges
August 2004
Peter C. Taylor, Ph.D., P.E., and Shrinivas B. Bhide, Ph.D., P.E., S.E Contributing Authors
To make it easier for specifiers to use HPC for bridges, the Portland Cement Association has worked with CTLGroup to develop a Guide Specification for High Performance Concrete for Bridge Elements.
Smart law prevents clean getaway
Roads & Bridges
August 2004
Bill Wilson
To help reduce the constant flow of accidents, the Maryland Department of Transportation wants to widen the two-lane highway. But the move interferes with a smart growth law.
Innovation acceleration
Roads & Bridges
August 2004
By Dan Sanayi
Recommendations for meeting goals included such innovations as using self-consolidating concrete, particularly for the construction of the bridge’s pontoons.
States achieve recycling success
Roads & Bridges
July 2004
By Jason Harrington
Similar to Minnesota’s experiences, MDOT has found that RCA used in base and sub-base material can provide performance comparable to or better than using virign aggregate.
Special Attention
Roads & Bridges
July 2004
By Gene Hawkins, Contributing Author
Choosing the right pavement markings can serve as a wake-up call for motorists. Consider that run-off-road (ROR) crashes account for almost one-third of the deaths and serious injuries each year on the nation’s highways.
Drive on a Diet
Roads & Bridges
July 2004
By Jennifer A. Rosales, P.E., Contributing Author
A road diet entails converting a four-lane undivided roadway to a two-lane roadway plus a two-way left-turn lane.
Community access-design
Roads & Bridges
July 2004
By Doug Mann, ASLA, Contributing Author
CSD is resurging since roadways are vital to establishing community connections—connections beyond simply moving between two points.
A Luke-Warm Embrace
Roads & Bridges
July 2004
By Micheal Booke, Contributing Author
An organization’s culture, developed over many years, drives the adoption rate.
Cones come marching in
Roads & Bridges
June 2004
Bill Wilson
The computerized cone platoon and the other devices give the drunk, distracted and disorderly zero chance at taking a life.
Efforts Benefit WWD Readers
Water & Wastes Digest
June 2004
Tim Gregorski, Editorial Director
tgregorski@sgcmail.com
Welcome to our 2004/2005 Annual Buyer’s Guide—the most complete source of supplier and product-related information available to the water and wastewater industry.
The Evolution of Drinking Water Regulations
Water & Wastes Digest
June 2004
By J. Alan Roberson, P.E.
The recent experience with lead in Washington, D.C. is one example of a lack of a complete understanding of the impact that one regulation may have on another.
Triple Option Offers Savings
Water & Wastes Digest
June 2004
Ninety percent is the savings in capital cost that HDR, Inc., has been able to provide to the Oro Loma (Calif.) Sanitary District.
Trembling dice
Roads & Bridges
May 2004
Allen Zeyher, Associate Editor
REDARS (for Risks from Earthquake DAmage to Roadway Systems) is software being designed to offer seismic risk analysis.
Suspending the "Big One"
Roads & Bridges
May 2004
Semyon Treyger, P.E., S.E., Michael H. Jones, P.E., S.E., and Greg Orsolini, P.E., S.E.
The “big one” could be capable of releasing as much as 16 times more energy than a major earthquake on the San Andreas Fault.
Building a durable bridge
Roads & Bridges
May 2004
By Benjamin Tang
With recent concerns about a shortage of steel supplies, FRP composite rod manufacturers are stepping up their production in anticipation of increasing demand.
Upper-hand management
Roads & Bridges
May 2004
Matthew J. Lee and Anthony M. Bradford; Contributing Authors
Closely coordinated with transportation control centers (TCCs) and emergency service providers located throughout the metropolitan area, NaviGAtor is intended to achieve a seamless transportation network across multiple jurisdictions.
NYC-DEP Wastewater Treatment Plants Eliminate Excess Waste
Water & Wastes Digest
April 2004
By Jeremy Smith
NYC’s plants treat about 1.4 billion gallons of wastewater from homes, businesses, schools and streets in the five boroughs every day, with water running through hundreds of pump stations and miles of sewers.
Water/Wastewater Utilities Implement, Enhance System Security
Water & Wastes Digest
April 2004
By Jan Gerston
The mission of any security system is to detect, delay and respond to destructive action. Destructive action to a water system can range from vandalism, such as graffiti, to cyber sabotage all the way to a full-fledged terrorist attack on a major treatment plant.
Prefab Pump Station Proves Worth
Water & Wastes Digest
April 2004
By Clifford Seth
“We couldn’t put all we needed above ground because the expense was prohibitive, and the prefabricated option for the pump station provided the reliability we wanted for the underground addition.”
A Reliable Tool
Water & Wastes Digest
April 2004
By Rick Davis
By implementing fluorescent technology in the measurement of DO levels, wastewater professionals may have a reliable tool that allows for the optimization of the biological processes and a reduction in the aeration costs related to energy usage.
Advances in Magmeter Technology
Water & Wastes Digest
April 2004
By Jeffrey A. Galvin
For many reasons, applications for magmeters have mushroomed in a number of key markets, including those in water and wastewater.
Loosening the belt
Roads & Bridges
April 2004
Gary Groat, Contributing Author
For close to three decades, the roadway has not kept up with prescribed standards to alleviate safety and operational concerns. The proposed HOT lanes will in most cases bring the roadway up to present highway standards.
Lasting line of defense
Roads & Bridges
March 2004
William Earley, Contributing Author
High-performance prepackaged grouts have been formulated that offer state-of-the-art protection for stressed and steel tendons, as well as many other desirable qualities.
Paint Winner
Roads & Bridges
March 2004
Greg Shay, Contributing Author
The total money spent on pavement markings in the U.S. and Canada exceeded $1.5 billion on nearly 4 million center-line highway miles. Let’s examine where the traffic marking industry has been with previous generations of waterborne markings versus other traffic-marking materials.
Bucking a trend?
Roads & Bridges
March 2004
By Brad Sant
The trends for roadway construction safety are worrisome. A review of total highway construction from 1997 to 2003 shows an impressive 37.1% growth in spending. In these sites, fatalities grew by a whopping 70.4%, with 1,181 fatalities in 2002.
Calling all guards
Roads & Bridges
March 2004
Bill Wilson, Editor: bwilson@sgcmail.com
Preliminary studies indicate that there are approximately 1,000 where substantial casualties, economic disruption and other societal ramifications would result from isolated attacks.
Plugging a Leak Before it Happens
Water & Wastes Digest
March 2004
By Tim Gregorski
Proper equipment maintenance and other variables can help water and wastewater facilities avert problems before they occur.
An Alarming Situation
Water & Wastes Digest
March 2004
The PTMA realized that they needed to put the appropriate tools into place to assess the filter plant and prevent problems or possible violations before they occur, as well as help bring the facility up to date.
Tennessee Titan
Water & Wastes Digest
February 2004
By J. Kernan Crotty
An overflowing sewer made Springfield an unpleasant and unhealthy place to live, and the city’s overflow prevention program was successful only on a limited basis. The city of Springfield has experienced multiple benefits from the Teletouch wireless telemetry systems.
In A Pinch
Water & Wastes Digest
February 2004
David Lavender
Today, there is legislation to eliminate combined sewer overflows. Heavy fines are levied by the EPA against communities that violate this law. The EPA has been reasonable with enforcement because the costs are great--not to mention that it will take time to expand the infrastructure. However, as municipalities and utilities have learned, eliminating overflow events is a must.
What are your measurements?
Roads & Bridges
February 2004
Richard Austin
The science of electronically measuring retroreflective pavement markings is still in its early days, but quickly evolving. Contractors stand to benefit if they can provide hard data that shows their markings continue to meet specified retroreflectance values.
Securing emergency operations
TM+E
January 2004
Salvatore D'Agostino
The role of the Traffic Management Center (TMC) or Traffic Operations Center (TOC) has evolved from monitoring traffic and incidents and coordinating response to a much broader role in acting as an Emergency Management Agency Operations Center. These facilities have been chosen as possible emergency operation centers as a result of their wide-area surveillance, communications, command and control infrastructure and operational experience. This expanded role creates a number of challenges for operations in the area of logical and physical security.
A commitment to quality
Roads & Bridges
January 2004
Dennis Merida
For the New Jersey Department of Transportation (NJDOT), replacing a deteriorated drawbridge built in 1922 resulted not only in a gleaming new structure, but in a project distinguished by innovative design features and a commitment to quality. This commitment was honored with the National Partnership for Highway Quality's (NPHQ) 2003 National Achievement Award.
Fresh to the core
Roads & Bridges
January 2004
Roger Wentz
“Safer Roads Save Lives” is the message that
American Traffic Safety Services Association (ATSSA) staff and volunteers are
taking to Capitol Hill in support of the creation of a core roadway safety
program as a key element of TEA-21 reauthorization. And the Senate, House of
Representatives and White House are all listening.
Next performance
Roads & Bridges
January 2004
Jennifer G. Prokopy
During the past 10 years, the design and use of high-performance concrete (HPC) has become more common, with hundreds of structures created using the material. HPC makes it possible to create longer components for the bridges, reducing the number of piers in water and adjacent to roadways, resulting in lower foundation costs and improved safety. It reduces the number of expansion joints and bearings and the subsequent need for repair and replacement.
Quality of life
Roads & Bridges
January 2004
Roger Wentz
The American Traffic Safety Services Association (ATSSA) partners with National Partnership for Highway Quality (NPHQ) because it has a powerful stake in the results delivered by quality-driven highway projects. It's gratifying to see efforts under way across the nation to raise the bar on roadway construction and traffic safety. But there's still a great deal of r |