Summer 2005

 


 

>News

>Regulations/Programs

>Papers/Presentations

>Events

>Links


 

Technology
Corner:
Biological Nutrient Removal

 

            

 

   

More highlights:

V Dam Success

V Geotech Grouting

V Growing Smart

V Integrated Design

V Landfills

V Membranes

V MTBE - UPDATE!

 

Our summer edition discusses various technologies, ranging from water membranes and wireless communication to landfill gas-to-energy.  Energy legislation influencing gasoline manufacturer liability is also under scrutiny while, on the wastewater front, further facility upgrades will meet 5-year Chesapeake Bay goals.

 
 

a
Summer
a

Professional Recyclers of Pennsylvania (PROP)
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July 27-29
State College, PA

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Annual event featuring diverse recycling, business and composting tracks in addition to tours, workshops and Gannett Fleming exhibiting activities.

Municipal waste recycling efforts through organizations such as PROP were discussed in our March, 2004, edition.
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www.proprecycles.org

Water Works Operators' Association of Pennsylvania (WWOAP)
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August 1-3
State College, PA

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"Producing Water The Smart Way" will feature wide-ranging water accountability, reporting and contaminant removal topics along with annual workshops, legislative updates and closing remarks by outgoing WWOAP President and Gannett Fleming Water/Wastewater Process Specialist, Eric Buzza.

Our October, 2004, edition featured the WWOAP and Eric's credentials in our Operator's Connection.
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www.wwoap.net

Tri-Service Infrastructure Systems Conference and Exposition
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August 1-4
St. Louis, MO

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"Reenergizing Engineering Excellence" will feature workshops on various engineering disciplines ranging from geotechnical, mechanical and electrical to dam safety and hydrology and hydraulics and will include two Gannett Fleming geotechnical grouting presentations.
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www.ndia.org

Solid Waste Conference
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September 7-8
State College, PA
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The joint
PWIA/ SWANA/ PADEP/ PAHMI Conference will provide industry forums ranging from leachate and energy management to capacity and radiation issues in addition to a Gannett Fleming exhibit.
*****
www.keystoneswana.org
Pennsylvania Municipal Authorities Association (PMAA) Conference/Trade Show
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September 11-14
Hershey, PA
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PMAA's "Great Ideas Conference" includes diverse exhibits and informational sessions covering  funding, security, technology, environmental and policy sessions for municipal professionals including a Gannett Fleming presentations on state nutrient reduction strategies and related treatment technologies.

Read our Papers/Presentations section for more information.
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www.municipalauthorities.org

American Public Works Association International Congress and Exposition
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September 11-14
Minneapolis, MN

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This year's event will feature over 140 educational sessions on topics ranging from emergency management, facilities and information systems to solid waste, flood control and water/ wastewater.
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www.apwa.net

 

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Site Remediation:

^ Roger Moose, PG

Well-versed in geology and the natural sciences, Roger has over 30 years of experience including leaking underground storage tanks program management.  Located in our firm's corporate headquarters, he is a Site Remediation Project Manager and Hydrogeologist responsible for directing field investigations, monitoring well drilling, environmental impact analyses and remedial investigations at hazardous waste sites for various federal, state, municipal, industrial and private clients.

. . . . . . . . . . . . . . . . . . . . . . . . . . Wastewater:

^ Ron Jager, PE

Ron has nearly 25 years of experience in all phases of wastewater treatment and biosolids facility  design,construction administration and operation.  Based in our firm's State College, PA, office, Ron is responsible for expanding Gannett Fleming's services to municipal and industrial clients in central Pennsylvania, as well as supporting wastewater projects including nutrient reduction efforts throughout the country.

. . . . . . . . . . . . . . . . . . . . . . . . . . Water/Wastewater Technology:

^ Dean Foote, PE and RCDD

Manager of the newly created ICE Technologies, Dean has over 14 years of experience in multi-faceted arenas.  He leads a diverse service group comprising more than 20 electrical, control system and network engineers, in addition to distribution designers and programmers with broad experience in the water and wastewater, K-12th grade, college and university, transportation, pharmaceutical, manufacturing, commercial and military markets. 

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Technology
Corner:
Biological Nutrient
Removal

overview:

Biological nutrient removal (BNR) is generally the most cost-effective and common nitrogen removal approach.  It involves a multi-staged process that ultimately results in the conversion of ammonia to free nitrogen gas. 

stages:

The first stage in BNR is the process of nitrification: a two-step aerobic process where ammonia (NH3-N) is oxidized to nitrite (NO2-N) and nitrite is oxidized to nitrate (NO3-N). 

The second stage is the process of denitrification, where the nitrate produced during nitrification is ultimately reduced to free nitrogen gas under anoxic conditions when substrate (carbon source) is present.  The substrate that allows denitrification to occur is supplied by the influent wastewater, endogenous decay (lysing biomass), or an external substrate source (e.g., methanol or acetate). 

experience:

Our firm's Process Design and Operations Group has extensive experience in the design and evaluation of various BNR processes that include Modified Ludzack-Ettinger (MLE), MLE with integrated fixed film, Bardenpho, simultaneous nitrification/ denitrification, pre-anoxic step feed, post-anoxic external carbon addition, and the sequencing batch reactor.

Read our related Nutrient Reduction articles or contact Ron Jager, PE, [ bio ]for more information.  

As described in our Papers/Presentations, Ron and Jim Elliott, PE, will also discuss nutrient management strategies at this year's PMAA Conference, in addition to a Dale Shope, PE, presentation on removal treatment technologies.

Mission Statement:
 

"To provide timely industry news and information while sharing related Gannett Fleming activities."

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Dam Engineering:
California and
Wyoming Success

The Wyoming Water Development Commission has contracted our firm to complete conceptual design studies for five water supply dam projects.  Our firm's Fort Collins/Windsor office, in conjunction with our Phoenix, AZ, office will perform the work which includes  . . .

Multi-purpose Membrane Technology

As previously cited, the growing water and wastewater membrane industry illustrates varied technology applications.  Membrane uses range from water treatment regulation compliance related to disinfection (see our "operational criteria" abstract), to softening and removing dissolved solids. 

Project Facts

Our firm's Ephrata design includes additions to an existing pump house to accommodate membrane treatment equipment.  An existing well pump and high-service pump will also be replaced to increase well station capacity.

Regarding the latter, an effort underway for the Ephrata Area Joint Authority, Ephrata, PA, to design and install a nanofiltration membrane treatment facility will reduce hardness, sulfate and total dissolved solids at the Authority's Well No. 4.

Contact Project Manager, Tim Glessner, PE, for more information.

Smart Water Planning

A New Morgan Land Company Development Project will enable New Morgan Borough, PA, to transform into a 21st-century smart growth town while requiring significant water supply engineering work over the next 20 years.

Design

This effort, designed to accommodate growth in southern Berks County, PA (near the Morgantown access to the Pennsylvania Turnpike), could require up to 2.5 MGD of potable water at build-out conditions.

Water supply will likely include conjunctive use of both groundwater and surface water supplies.  In addition to overall water system plan development, our firm will provide planning, design and permitting expertise on various contract assignments. 

Contact Project Manager, Scott Hughes, PE, for more information. 

Delaware Air Quality:
Landfill Gas-To-Energy

Did You Know?

Landfill gas, consisting primarily of methane, is frequently generated at modern landfills.  Regulators often require that it be flared as a means to reduce odors.

Coal-fired facilities release a considerable amount of nitrogen oxide (NOx) into Delaware's atmosphere.  Using landfill gas in an engine produces considerably less NOx than coal.  Also, in comparison to coal, landfill gas generation (a result of decomposing trash) is a readily available and often unused source of power.  It does not incur the social or economic costs associated with coal mining.

In Related News . . .

Our May issue summarized a record landfill gas pipeline project.

As part of Delaware's ongoing effort to control air pollution, our firm is providing air quality permitting services to a client seeking to develop two landfill gas-to-energy plants in the state.  If this project can be successfully developed by the end of the year, it is eligible for new federal tax credits.

For more information, contact Project Manager, Ed Kashdan, PE.

Nutrient Reduction:

Pennsylvania Approach

The Chesapeake Bay Agreement seeks to improve water quality within the Chesapeake Bay watershed to a level that will remove the Bay from the federal Clean Water Act 303 (d) list of impaired waters by 2010.  “Pennsylvania’s Chesapeake Bay Tributary Strategy” was released during December 2004 to establish the programs needed to meet the nutrient cap goals of Pennsylvania’s Chesapeake Bay tributaries. . .
 

Did You Know?

Nitrogen conversion and removal is largely a biological process.  Due to the complexity of this new process, previous terms used at wastewater treatment plants such as "aeration tanks" will be replaced by a term such as "biological reactor" because the tank may no longer be completely aerobic.  It will likely have a combination of aerobic, anoxic and possibly anaerobic zones. 

Process Modeling

Computer modeling enables the simulation of the extensive physical, chemical, and biological processes that make Biological Nutrient Removal (BNR) possible.  Our firm uses GPS-X (an advanced modeling system for wastewater treatment processes) to design, simulate, and optimize BNR processes.  A customized process model can not only facilitate plant functionality; but it can get closer to meeting the most stringent effluent criteria that regulatory agencies may require.
 

Contact Wastewater Project Manager, Ron Jager, PE, [ bio ] for more information or to request a copy of our comprehensive Nutrient Reduction brochure.

 

 

 

 

Wireless Communications

Municipalities should consider wireless SCADA and security monitoring communications when deciding to implement or upgrade a system.  Most new wireless systems installed nowadays provide:

  • lower initial and recurring costs

  • greater flexibility and reliability than hardwired systems

  • no reliance on third-party maintenance of systems

Wireless services can be applied to both water and wastewater facilities.  For more information, contact ICE Technologies Manager, Dean Foote, PE [ bio ].

 

Accounting For
MTBE Costs

A related MTBE paper abstract was presented in our May issue.

MTBE (methyl tertiary-butyl ether) is a strong source of contention between the petrochemical industry and the drinking water industry.  A gasoline octane enhancer, the substance can make water supplies undrinkable and is on the USEPA's list of potential carcinogens.  Both difficult and costly to remediate, MTBE water contamination boils down to accountability.

High Cost
Recent AWWA and American Metropolitan Water Agency (AMWA) studies project MTBE remediation costs between $29 billion and $85 billion.  The reports focus on public water supply well cleanup and multiple potential contamination sources (e.g., craft engines or air emissions), not just leaking underground storage tanks or pipelines.

To that end, the water industry scored a recent victory when President Bush signed sweeping Energy Bill legislation which, although providing energy companies with billions of dollars in tax subsidies, EXCLUDED the "Safe Harbor" provision.  This clause would have released gasoline manufacturers from current and future liability and lawsuits. 

Navigate to the AWWA web site to read more about this topic including an MTBE Issue Paper.

Chesapeake Bay Nutrient Initiatives

In addition to facilitating activities at this year's PMAA event, representatives from our firm will speak on timely nutrient reduction issues.

TOPIC:
Nutrient Management Strategy
PRESENTERS:
Ron Jager,
PE; Jim Elliott, PE
abstract

 

   
TOPIC:
Nitrogen/Phosphorus Treatment
PRESENTER:
Dale Shope, PE
abstract

 

 

Infrastructure Technology

Two geotechnical engineering presentations will be delivered at this year's NDIA Conference by Vice President Dave Wilson, PE, and Senior Project Manager, Trent Dreese, PE.  Dave's session focuses on quantitatively engineered grout curtains.  Trent will discuss state-of-the art grouting computer monitoring, control and analysis.

For more information, read our previous grouting project and technology articles.

Integrated Design

ICE Technologies Manager, Dean Foote, PE, RCDD, [ bio ] will also speak at the upcoming AIA/CEC "Piecing It Together" Conference about the role of a registered communications distribution designer (RCDD) and the benefits of integrating building systems.  His presentation will address telecommunications design and standards.

To learn more about wireless communications for water and wastewater systems, read our related article under Regs/Programs.

 

»  American Society of Civil Engineers

»  Association of Metropolitan Water Agencies

»  Delaware Department of Natural Resources and Environmental Control

»  ICE Technologies

»  National Energy Technology Laboratory

»  Water Environment Federation