WaterWorld Articles, November 2009

Table of Contents

Editorial Features

Considerations for Selecting Manhole Repair Systems

As the nation's manholes become increasingly in need of repair, manhole rehabilitation has become more commonplace.

Ion Exchange System Helps Remove DOC, Limit DBPs

It is perfectly understandable if public works and utility directors get a bit nervous when they consider the EPA's Stage 2 Disinfectants and Disinfection Byproducts Rule (Stage 2 DPBR).

Automated Handling of Activated Carbon Reduces Dust, Labor

Two cities, one in the United States and the other in Canada, over 700 miles apart, were experiencing nearly identical problems caused by manual addition of powdered activated carbon to their municipal water treatment systems.

Doing More with Less to Maintain Sewer Pipeline Infrastructure Integrity

Asset management techniques emphasizing the regular inspection of pipe are helping cities and towns improve service while reducing emergency maintenance costs.

District Puts Plastic Pipe to the Test

Water District #1 of Johnson County, Kansas, wanted hard evidence that new plastic pipe products could do the job.

Products

Product Showcase

Emerson's Ovation® Security Center helps water and wastewater facilities tackle mounting pressure to enhance their cyber-security initiatives as part of their overall efforts to safeguard public health and the environment.

Product Focus

Many mechanical joints contain sharp objects that protrude from their surface.

Products & Services: Disinfection

ATI's new portable Series PQ45 answers the need for a field-deployable monitor capable of measuring and recording water quality data in a variety of operating environments.

Products & Services: Filtration

Municipal Filtration Co., maker of the Muni-Disk® static plate cloth media filter, has introduced a new line of compact tertiary filtration systems designed to treat smaller flows in the range of 10-150 gpm.

New Products

The new Ashcroft® GC30 & GC31 digital pressure sensors provide remote signaling, local reading and pressure control, all in one ultra-compact design.

New Literature

BETE Fog Nozzle Inc., a supplier of engineered spray nozzle solutions, has posted high-resolution spray videos on their web site, www.bete.com/spraypatterns.

Departments

Viewpoint

Exhibition Shows Hopeful Signs of Renewed Economic Activity

This has been a tough year economically for the municipal water and wastewater market and the world as a whole.

Washington Update

Climate Bill Includes Water System "Adaptation" Grants

Landmark climate change legislation introduced in the U.S. Senate includes significant water efficiency provisions.

Pump: Tips & Techniques

Multiple "Pump As Turbine" Installations Keep Efficiency High Over Wide Flow Range

I have had more response to my August 2009 column on pumps operated as turbines (PAT) than any of my other Pump Tips columns, many asking about specific applications.

Automation Technology

Companies Introduce Networked Systems at Metering Event

Sensus has announced that its FlexNet communications system now features an advanced meter-based endpoint with capabilities to enhance service to water utilities.

WWEMA Corner

Information is "King" in Current Economic Climate

With information being "king" in this volatile economy, it is paramount to manufacturers' success to have access to this critical market data in a cost-effective and timely manner.

Case Study

Project Features Pipe Bursting with Fusible PVC Pipe System

The massive Interstate 80 project to replace bridges and rebuild interchanges and roadway along this major east-west corridor has prompted other utility improvements along the way.

Current Magazine

Volume 25
Issue 11
November 2009
 

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