Harmonizing the science of Engineering with the art of Architecture
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Greenbusch is assisting the City to identify short and long-term improvement strategies to maximize A/V system reliability and to bring system functionality up to modern technology standards in the Portland City Hall Council Chambers. A Final Assessment Report was issued and the project is in the final stages of Design.

The Phase 1 Master Plan included:
  • Assessment, Testing & Evaluation of existing equipment such as microphones, loudspeakers, and video presentation systems
  • Acoustical analysis of equipment performance in the spaces
  • End-user needs assessment
  • Assistive listening system performance evaluation
  • Evaluation of the lighting control system functionality and integration with A/V control system
  • Budgetary cost estimate, upgrade priority checklist, and a phased timeline for system improvements
Built in 1923, Grant High School is undergoing a major renovation/expansion led by Mahlum Architects. Retaining its original historic brick façade, the 294,194 sf updates include a new gymnasium, added floor space, new 2-story commons featuring an eatery and community gathering space, remodeled classrooms and basement, fully renovated auditorium, and new outdoor fields.
  • Greenbusch is providing Audio/Video design, Acoustical design & Vertical Transportation (Elevator) design
  • Performed EASE simulation modeling for all major spaces to provide graphical and simulation of the venue acoustics and sound system performance
  • Spaces: 950-seat renovated auditorium, gymnasium, classrooms, music rooms, drama rooms, black box theater and practice rooms
  • Re-opening: School Year 2019-2020
A/V Projects On The Boards:
  • Sound Transit (Lynnwood Link Extension, Northgate Link Extension)
  • Portland International Airport Terminal Balancing & Concourse E Extension (led by Henneberry Eddy Architects, Inc.)
  • St. Thomas Episcopal Church Renovation
  • Multiple K-12 School Renovations
For more information about audio/video consulting services for your project, please contact Adam C. Jenkins PE, INCE Bd. Cert., Principal, at (206) 378-0569 ext. 103.
Greenbusch provides technical expertise in audio/video consulting, acoustical engineering, mechanical engineering, commissioning, and vertical transportation design. Established in 1989, Greenbusch is a certified State of Washington WBE.


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