Avi Bortnick has worked as a professional acoustical consultant for 26 years, with extensive experience in all aspects of building and environmental acoustics — venue and club acoustics, sound isolation, exterior noise studies, mechanical noise control, and vibration control — for hundreds of projects throughout the world.
He is on the New York City DEP list of Approved Noise Consultants, and has worked both independently and with Arup and Shen Milsom & Wilke. He is also an adjunct professor of architectural acoustics at the University of Pennsylvania Weitzman School of Design.
Selected Project Experience
Acoustical experience across a range of project types.
Office & Corporate
- Nixon PeabodyChicago, IL
Full acoustical design across several floors — sound isolation, room acoustics, mechanical noise control, and sound masking, with high-confidentiality conference rooms and finishes matched to the architectural intent.
- Finastra Financial SoftwareNew York, NY
Lead consultant; sound isolation between offices and conference rooms, focusing on transmission through glass partitions.
- Russell ReynoldsBoston, MA
Lead consultant; LEED goals, sound-masking extents, sound isolation, finishes, and elevator machine-room and ventilation noise control.
- CitcoNew York, NY
Lead consultant for client presentation spaces; conference-room isolation and treatments for large gathering spaces.
- The DE Shaw GroupNew York, NY
Lead consultant for a Manhattan fit-out; open-office and conference-room acoustics plus mechanical noise control, with architect-integrated finishes.
- Wolters KluwerNew York, NY
Lead consultant; improved office/conference-to-corridor isolation for glass office fronts with sliding doors, plus mechanical noise control.
- Cboe Global MarketsChicago, IL
Full services for the relocation to the Old Post Office building — benchmark testing, sound isolation, room acoustics, mechanical noise control, and sound masking.
- Ford World HeadquartersDearborn, MI
Lead consultant with Snøhetta and Arcadis; benchmark noise/vibration testing and full acoustical assessment — sound and vibration isolation, room acoustics, space planning, and mechanical noise control.
- Gartner Digital MarketsStamford, CT
Broadcast studios and corporate offices; studio room acoustics, edit-room isolation, office and conference-room acoustics, and mechanical noise control.
- University of Oregon — Knight CampusEugene, OR
Science teaching labs, lecture halls, classrooms, and libraries; inter-space isolation, room shaping for projection and control, and mechanical noise control to outdoor amenities.
- Stadia CapitalNew York, NY
Office/conference isolation through wall intersections at perimeter induction units, plus conference-room reverberation control.
- Federal Reserve BankNew York, NY
Benchmark testing and recommendations for the bank's office expansion.
- 60 CharltonNew York, NY
New office building in a noisy district; oversaw NYC DEP-mandated high sound-control window testing (at a facility in Italy) and exterior noise control near an adjacent hotel.
- Hyundai TowerSeoul, South Korea
105-floor mixed-use tower; presentation-room acoustics, sound separation between dwellings, and mechanical and outdoor noise control.
- Time Warner Inc.New York, NY
Customer focus and conference rooms; isolation and room acoustics for privacy and high speech intelligibility.
- MTV NetworksNew York, NY
Open-office and conference-room acoustics with architect-integrated finishes.
- KAFD Conference CenterRiyadh, Saudi Arabia
Large conference complex; sound isolation, vertical impact isolation between sensitive spaces, conferencing room acoustics, and mechanical and exterior-to-interior noise control.
- KPF — 6th Floor RenovationNew York, NY
Open-office and conference-room acoustics for the architecture firm's own space, with integrated finishes.
- AOL StudiosNew York, NY
Main New York broadcast studios and offices; studio room acoustics, edit-room isolation, office and conference-room acoustics, and mechanical noise control.
Healthcare
- University of Illinois HospitalChicago, IL
Lead acoustical consultant for a lobby expansion and new chapel. Challenges included controlling noise from equipment located directly above the chapel and taming echoes and excessive reverberance in an elliptically-shaped room.
- 9900 WilshireLos Angeles, CA
Part of the acoustic team providing acoustical review of patient rooms, doctor offices, and waiting areas — including selecting suitable partition types and controlling mechanical noise to acceptable levels.
- Cedars-SinaiLos Angeles, CA
Part of the acoustic team providing acoustical review of patient rooms, doctor offices, and waiting areas — partition selection and mechanical noise control.
- Weill Cornell Medical CenterNew York, NY
Lead acoustical consultant for a new facility. Scope included partition design, mechanical noise control, exam-room speech privacy, and control of MRI noise and mechanical noise to adjacent properties.
Residential & Hospitality
- 520 Park AvenueManhattan, NY
Lead consultant for a high-end condominium; sound isolation to luxury standards, control of exterior noise intrusion, cooling-tower sound emissions to the environment, and mechanical noise control.
- On Prospect Park ApartmentsBrooklyn, NY
Lead consultant for a high-end apartment building designed by Richard Meier; control of exterior noise intrusion, cooling-tower sound emissions to the environment, and residential sound isolation.
- 360 Smith StreetBrooklyn, NY
Lead consultant for a building directly above a subway station; control of vibration and noise transmission from subway pass-bys into apartments, plus residential sound isolation and mechanical noise control to meet local building codes.
- 77 Hudson StreetNewark, NJ
Lead consultant for a large residential building; sound isolation to meet codes and occupant expectations, wind-noise effects on the parking structure, control of exterior noise intrusion, cooling-tower sound emissions, and mechanical noise control.
- Hudson Exchange Phase 2Jersey City, NJ
Lead consultant for a mixed-use development; exterior sound intrusion, acoustic separation between residences and a fitness center, and control of noise from the supermarket at the base of the building.
- Hudson's Site ExpansionDetroit, MI
Conference center / hotel / residential development; code compliance to surroundings for fan and generator noise, and sound transmission between residences and other spaces in the building.
- Lake AustinAustin, TX
Initial concept recommendations for sound isolation at residences and amenity spaces for a lakeside luxury development.
- Gramercy Park HotelNew York, NY
Acoustic consultant for the renovation of the historic hotel into a boutique property. Working with developer Ian Schrager and the Julian Schnabel design team, enhanced guestroom sound isolation and provided isolation and room-acoustics recommendations for the fabled Rose Bar and Jade Bar.
- Dream HotelLas Vegas, NV
Lead consultant for a new hotel adjacent to Harry Reid International Airport; control of airplane and helicopter noise in guestrooms, mitigation of sound transmission from the nightclub, theater, and ballroom, and world-class acoustics for interior spaces.
Performance Venues & Halls
- The Sultan RoomBrooklyn, NY
Lead acoustical consultant for a flexible live-music and nightclub venue with a built-in stage and full bar (~115 seated / ~201 standing). Work spanned all aspects of acoustics: sound isolation, room acoustics, mechanical noise control, and sound emissions to the neighborhood.
- The Frick Collection — Schwarzman AuditoriumManhattan, NY
Part of the acoustical consultant team for the recent renovation of this 218-seat auditorium for music and lectures. Work included mechanical noise control, sound-isolation testing, and construction administration (shop-drawing reviews and site visits).
- Jerome L. Greene Performance SpaceManhattan, NY
Lead acoustical consultant for WNYC/WQXR's live-studio/event space (~1,683 sq ft; ~200 standing / 130 seated). Work involved sound and vibration isolation from the subway line beneath, isolation from the street and adjacent spaces, mechanical noise control, and room acoustics.
- NubluManhattan, NY
Lead acoustical consultant for this East Village club/venue and label (capacity 220). Work involved sound isolation, mechanical noise control, and room acoustics.
- ElsewhereBrooklyn, NY
Lead acoustical consultant for this multi-room venue with three main stages in a renovated warehouse (main hall ~700). Work involved sound isolation, mechanical noise control, room acoustics, and sound-emission control to the neighborhood.
- Ford Family Recital HallYoungstown, OH
Lead acoustical consultant for a 600-seat recital hall within the DeYor Performing Arts Center. Work involved room shaping, acoustical treatments, sound isolation, and mechanical noise control.
- NowadaysQueens, NY
Lead acoustical consultant for an indoor-outdoor converted warehouse/yard venue (~5,000 sq ft plus a large backyard). Work involved sound-emission control to the neighborhood, room acoustics, and mechanical noise control.
- Loew's Jersey TheaterJersey City, NJ
Part of the acoustical consultant team for the major restoration of this historic 1929 theater (reopening 2026, ~3,000 seats). Work included mechanical noise control, neighborhood sound-emissions studies and recommendations, and construction administration (shop-drawing reviews and site visits).
- Forest Hills StadiumQueens, NY
Part of the acoustical consultant team for this open-air amphitheater (~13,000 capacity). Work included sound-emissions modeling and recommendations to control sound in the neighborhood, along with extensive sound-level measurements and monitoring.
- The SphereLas Vegas, NV
Part of the acoustical consultant team for this purpose-built immersive concert venue (2023, ~17,500 seats, 16K wraparound LED and spatial audio). Work included room-acoustics recommendations and mechanical-systems noise calculations and recommendations.
- NightmovesBrooklyn, NY
Lead acoustical consultant for an intimate DJ lounge owned by LCD Soundsystem's James Murphy. Work involved sound-emission control to the neighborhood, sound isolation to adjacent spaces in the building, room acoustics, and mechanical noise control.
- XanaduBrooklyn, NY
Lead acoustical consultant for a flexible live-music and roller-rink venue with a large stage and full bar. Work spanned all aspects of acoustics: sound isolation, room acoustics, mechanical noise control, and sound emissions to the neighborhood.
- OutputBrooklyn, NY
Lead acoustical consultant for a multi-level DJ dance club (now closed). Work involved sound-emission control to the neighborhood, sound isolation to adjacent spaces in the building, room acoustics, and mechanical noise control.
- Pocketbook Hudson — GatheringsHudson, NY
Lead acoustical consultant for a DJ lounge within a larger converted-factory hotel and event venue. Work included room acoustics and sound-emission control to the surrounding neighborhood.
Environmental Acoustics
- AWS Data CenterSterling, VA
Outdoor noise-emissions modeling and analysis for due-diligence and SDD survey services (Phases 1 & 2) on a 188-acre build-to-suit site, including comparison of levels to local noise codes.
- AWS Data CenterChicago, IL
Lead consultant for a new data center among four candidate sites — researching local noise codes, identifying noise-sensitive receptors, evaluating cooling and power-generation equipment, performing noise projections, and preparing due-diligence reports and risk summaries.
- Confidential Data Center CampusYork, SC
Lead consultant; analysis of noise emissions from numerous rooftop air-cooled chillers, with noise-control solutions to meet local code.
- Confidential Data Center CampusChicago, IL
Lead consultant; review of rooftop air-cooled chiller noise emissions into the environment for a campus expansion.
- AWS Site Due DiligenceTucson, AZ & Reno, NV
SDD Phase 1 studies of ten potential data center sites; technical reviews of noise-report sections.
- Confidential Data Center Site Due DiligenceTexas
Lead consultant; SDD Phase 1 desktop studies of ten potential sites.
- Confidential Data Center Site Due DiligenceCanada
Lead consultant; outdoor noise-emissions analysis and modeling with comparison to local codes for SDD survey services.
- Confidential Data CenterEastern Canada — 29-acre greenfield
Lead consultant; SDD and masterplanning, including site-suitability analysis and environmental challenges arising from the site's former use as snow storage.
- Confidential Data CenterEastern Canada — 20-acre
Lead consultant; SDD and masterplanning on a former maple-sugar tree lot, including reviews of tree felling and migratory-species impact.
- Confidential Data CenterEastern Canada — 132-acre
Lead consultant; SDD and masterplanning across a site with significant bedrock outcroppings and waterways.
- Confidential Data CenterEastern Canada
Lead consultant; due-diligence for a new data center — local noise codes, noise-sensitive receptors, equipment evaluation, and noise projections.
- Manhattan Pumping StationNew York, NY
Assessment of exterior noise emissions and noise-code compliance for a major municipal pumping facility.