MFS Investment Management’s new LEED Gold corporate headquarters comprises eleven floors at 111 Huntington Avenue in Boston’s Back Bay neighborhood. The office features a highly adaptable 305,000 SF workspace that focuses on delivering flexibility, connectivity, sustainability, and employee wellness. Working with CBT Architects, Acentech’s primary goal was to achieve speech privacy throughout the space, which employed the largest use of demountable partitions in the region to date. Acentech’s consulting work focused on open and closed offices, executive office suites, conference rooms, training rooms, a boardroom, a trading room, and various support spaces.

Acentech consultants recommended constructions for ceilings, walls, doors, glazed areas, and operable partitions, as well as sound absorbing finishes in common areas and conference rooms to control noise and reverberation and to enhance speech intelligibility, including the sound from audiovisual systems. Special attention was paid to the top floor executive reception area, which is flanked by two operable partitions at adjoining conference rooms. Through careful specification of the operable walls and the use of sound masking in the reception area, Acentech achieved a high level of acoustical privacy for the conference rooms.

For mechanical system noise and vibration control, Acentech established suitable background noise levels in all occupied spaces and consulted with the project’s mechanical engineers on equipment selection, duct sizing and layouts, airflow velocities, and duct lining and silencers.

“MFS had very high expectations for acoustical privacy in the new office. Acentech’s expertise in acoustics was critical to the success of this project.”
– Sharon Steinberg, AIA, LEED AP. Formerly Associate Principal, CBT Architects, now Senior Interior Designer, Stantec

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