News Archive

June 2013

Jack Evans presents "Letters from the edge: Less conventional acoustical solutions," an invited paper for the technical session Balancing Risk and Innovation in Acoustical Consulting at ICA 2013 in Montréal, Canada, June 2-7


October 2012

Livestrong Challenge photo

On October 21, Jack B. Evans rides and raises funds for the Team LIVESTRONG Challenge Austin. Here, Jack holds the yellow rose that he received at the finish line.


August 2012

Jack Evans co-chairs session 3.14 "Vertical transmission of noise and vibration" and will present the paper "Vertical transmission of vibration and noise to a research laboratory from mechanical equipment room - analysis and mitigation case study" at Inter-Noise 2012 in New York City, August 19-22.

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June 2012

Jack Evans presents "Environmental Noise Case Studies: Air-Cooled Refrigeration Chiller Installations near Residential Structures" at the ASHRAE 2012 Annual Conference in San Antonio, Sunday, June 24, 11:00 AM - 12:30 PM


Jack Evans presents "Acoustical Criteria and Design Guidelines for Architectural Design" at the AIA Austin Summer Conference Friday, June 15, 1:00 PM - 2:00 PM


Chad Himmel presents "Sound Isolation in Multifamily Residential Projects" at the AIA Austin Summer Conference Friday, June 15, 2:00 PM - 3:00 PM


April 2012

Jack Evans presents "Acoustical standards and criteria documentation of sustainability in hospital design and construction" at Acoustics 2012 in Nantes, France, April 26

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July 2011

Joshua Leasure presents "Constructing SoundPLAN models for noise studies that are consistent with the HUD Noise Guidebook" at Noise-Con 2011 in Portland, OR, July 26, 10:40AM

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Jack Evans presents "Pump noise and vibration mitigation in high-rise residential condominium" at Session R5 Architectural Acoustics at ICSV18 (the 18th International Congress on Sound and Vibration) in Rio de Janeiro, Brazil, July 10-14

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June 2011: Mark Leger joins JEA's engineering staff

JEAcoustics is pleased to announce the addition of Mark L. Leger to our engineering staff as Consultant.


In this position, Mr. Leger will conduct measurements, analyses, and engineering design for architectural acoustics, mechanical noise control, sound isolation, and environmental noise.


Mark comes to JEA with three years of experience in acoustics disciplines, including environmental transportation and mechanical equipment noise, sound measurement, and architectural and industrial acoustics. Previously in his career, Mark served as acoustical consultant at Acentech in Westlake Village, California, and Acoustical Design Collaborative in Towson, Maryland. He earned his M.A. in Audio Sciences from The Johns Hopkins University Peabody Institute in 2007 and his B.S. in Chemical Engineering from the University of Texas at Austin in 2001.


May 2011

Rice's Brockman Hall for Physics Wins TSA 2011 Design Award. Brockman Hall for Physics (Houston), which opened this spring, was one of 12 projects recognized in Texas Society of Architects' annual design awards program. JEAcoustics is proud to have participated on the design team with Kieran Timberlake, providing acoustics consultation, noise control, and structural vibration control for sensitive labs and equipment.

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[The September/October 2011 issue of Texas Architect features the Brockman Hall project, plus another JEA portfolio project: the Methodist Hospital Research Institute (Houston) by Kohn Pederson Fox and WHR Architects.]

December 2010

Tellepsen YMCA Wins Green Building Award. Texas Construction awards the Tellepsen Family Downtown YMCA project with an Excellence in Green Building Award in their Best of 2010 program. The project will be a LEED certified facility, pursuing LEED Gold, and will be the 1st YMCA facility to earn LEED certification. JEAcoustics is proud to have participated on the design team with Kirksey Architects, providing acoustics and noise and vibration control for the new facility.

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September 2010

Chad Himmel presents "Soil Vibration and Micro-Imaging: The Challenge of Designing Sensitive Imaging Facilities for Sites with Significant Vibration" at the UT Acoustics Area Seminars 4:00 pm September 10 (Friday)

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June 2010

Chad Himmel presents "Concrete pier foundation and building design for electron microscope installations with vibration disturbances from train, truck, and bus traffic" at InterNoise 2010 Lisbon, Portugal, June 13-16

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April 2010

Jack Evans presents "Evolving Acoustical Standards and Criteria for Green and High Performing Buildings in North America" at CFA10 (the 10th French Congress of Acoustics) to be held in Lyon, France, April 12-16

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Chad Himmel presents two papers at Noise-Con 2010 held jointly with the 159th Meeting of the Acoustical Society of America in Baltimore, MD, April 19-21:


  • Tuesday 20-Apr, 7:55 am, Noise-Con Session 2aNSc:
    Concrete pier foundation and building design for electron microscope installations with vibration disturbances from train, truck, and bus traffic
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  • Tuesday 20-Apr, 3:15 pm, ASA Session 2pNCe:
    Two healthcare buildings get the power, the noise, and the vibration from a gas turbine generator system
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February 2010

JEA participates in the University of Texas annual Acoustics Area Seminars on Friday, Feb 12


December 2009

Jack Evan's paper "Pneumatically Isolated Inertia Base with Active Damping For a Transmission Electron Microscope (TEM)" published in Vol. 28 No. 3, Pages 169 – 184 of the Journal of Low Frequency Noise, Vibration and Active Control


Joshua Leasure receives Texas P.E. license

JEAcoustics is pleased to announce that Joshua Leasure received his Texas State Professional Engineering License in December. Josh joined JEAcoustics in 2008 and currently conducts measurements, analysis, and detailing for architectural acoustics, sound isolation, mechanical noise control, and environmental noise. He has a Bachelor of Science in Mechanical Engineering from the Colorado School of Mines.


November 2009

JEAcoustics presents at ICEBO (the 9th International Conference for Enhanced Building Operations) to be held in Austin at the AT&T Conference Center, November 16-19:


Date: Wednesday, November 18
Time: 9:20am
Room: 204
Session 10: COMPONENTS IN HVAC

Acoustical and Noise Control Criteria and Guidelines for Building Design and Operations

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October 2009

JEAcoustics presents two seminars at the 2009 TSA Convention to be held in Houston at the George R. Brown Convention Center on October 22-24:


Date: Friday, October 23
Time: 2:00pm-3:15pm
Seminar: #109034

Noise and Vibration Control for Building Electrical Systems

Main speaker: Chad Himmel
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Date: Saturday, October 24
Time: 3:30pm-5:00pm
Seminar: #109063

Architectural Acoustics

Main speaker: Jack Evans
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August 2009

Jack Evans presents "Reduction of tonal noise in lecture room air conditioning supply ducts" at INTER-NOISE 2009, the International Conference on Noise Control Engineering in Ottawa, Cananda.

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July 2009

Jack Evans presents "Acoustical Corrections Case Study for Open and Closed Offices" at ICSV 16, the 16th International Congress on Sound and Vibration in Krakow, Poland.

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May 2009

Chad Himmel presents "Mechanical equipment and ambulances. Strange bedfellows of cardiovascular services" on May 21 at the 157th Meeting of the ASA, Portland, Oregon.

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January 2009

Jack Evans presents "Case-Study on the Noise and Vibration Design for a Pediatric Research Facility" at ASHRAE Winter Conference, Chicago.

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November 2008

The article, "Developments and Trends in Acoustics and Noise Control," written by Mindi Zissman based on an interview with Jack Evans, appears in Architectural Products magazine.

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July 2008: Joshua Leasure joins JEA's engineering staff

JEAcoustics is pleased to announce the addition of Joshua Leasure to our engineering staff as Consultant.


In this position, Mr. Leasure will conduct measurements, analysis, and detailing for architectural acoustics, sound isolation, mechanical noise control, and environmental noise.


Josh comes to JEA with five years of experience in acoustics disciplines, including environmental noise, sound measurement, and architectural and industrial acoustics. Previously in his career, Joshua served as an Associate for Veneklasen Associates in Santa Monica, California, where he worked as a consulting engineer on a variety of projects. Prior to that, he served as an Acoustical Engineer for Hankard Environmental, an environmental acoustics firm in Fort Collins, Colorado. Before entering the consulting industry, Joshua studied miner hearing safety at the Colorado School of Mines' Western Mining Resource Center.


July 2008

Acoustics'08 Paris

Jack Evans co-chairs a two-part session, "Noise, vibration and acoustics for medical and research facilities and their occupants," where he also presents his paper, "Nanotechnology research facility—a vibration and noise control design case study."


Chad Himmel presents his paper co-authored with Danny Kupersztoch, "Field airborne and impact sound insulation of wood truss floor systems."


October 2007

Jack Evans presents his paper, "Noise Control for Neonatal ICU for Demolition and Construction within Hospital Facilities," at Noise-Con 2007 National Conference on Noise Control Engineering in Reno, NV.


July 2007

Chad Himmel presents his paper, "Comparative Analysis of Retrofit Windows for Noise Control at a Hotel," at ICSV14 - the 14th International Congress on Sound and Vibration in Cairns, Australia.


February 2007

Jack Evans presents, "Protecting the NICU from Construction Noise," at the 20th Annual Gravens Conference on the Physical and Developmental Environment of the High-Risk Infant, USF Health, Tampa, FL.


October 2006

The article, "Standards for the acoustic environment of the newborn ICU," co-written by M. Kathleen Philbin and Jack Evans, appears in Journal of Perinatology.


September 2006

Jack Evans presents his paper, "Pneumatically Isolated Inertia Base with Active Damping for a Transmission Electron Microscope," at the 12th International Meeting on Low Frequency Noise & Vibration and its Control, Bristol, UK.