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Development of a Noise Abatement Plan for an Architectural Noise Control Application

A national hotel chain was planning on building a hotel adjacent to a major highway in the busy city of Cincinnati, and needed to uphold stringent noise criteria (NC) requirements for their guest rooms. Acoustical Systems was hired to develop a customized noise abatement strategy to ensure the project would be built with the appropriate sound isolation.

The following photographs show the layout of the Hotel and its relationship to I71:

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Plan View of the Hotel
Plan View
Plan View of the Hotel

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Hotel's Relationship to I71
N39 07.017’ – W084 29.950’ – Elev. 660’
Hotel's Relationship to I71

We performed an initial noise assessment, discovering the existing conditions by taking a 12-hour sampling of sound conditions at different points along the site of the proposed hotel. We used our findings to develop an acoustical engineering feasibility study report, disclosing our analysis and Field Sound Transmission Class (FSTC) study results, as well as outlining our noise control recommendations for the building construction. Designs for improved sound attenuation of the building's façade were developed, including specifications for sound isolating window glazing, air conditioner equipment treatment, treatment of façade penetrations, and other general construction practices.

Throughout construction of the hotel we monitored the environmental noise levels. When the project was completed, ASI returned to the site to perform post-construction performance verification. The initial pre-construction conditions measured the NC range to be at 90, an unacceptable level. Testing found the post construction NC levels to be at an average of 25, meeting our design goal and the criteria of our client.

Turnaround time for a project of this scope is 6-12 months, with applications in situations where sound isolation is important such as medical facility construction and military construction to name a few. For more information about this noise abatement plan, please see the table below or contact us directly.

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Results Table After Hotel Was Built
Results Table After Hotel Was Built

Noise Abatement Plan Project Highlights

Project Name Architectural Acoustics, Engineering and Design
Project Objective SpringHill Suites and Marriott Hotels have stringent Noise Criteria requirements for their guest rooms. ASI was hired by Corporex Development to make sure the highway traffic did not compromise those background noise requirements.
Capabilities Applied/Processes Primary:
  • Noise Assessment – Field Sound Transmission Class (FSTC) Analysis
  • Feasibility Studies
  • Engineering/Design Consultation
  • Post-Construction Performance Verification
Empirical Criteria Development ASI performed field sound level testing adjacent to the future site of the hotel at Interstate 71 in Cincinnati, between 6:30 a.m. and 6:30 p.m. in order to determine the background noise from vehicle traffic that existed. The data was collected over a 12-hour sampling period in order to catch the worst case scenario conditions (morning and afternoon rush hours). ASI paid particular attention to the contribution that 18-wheel trucks produce, especially the engine noise. ASI developed acoustical and construction specifications needed to meet the acoustical design goals of the project for the new building: the construction of the exterior envelope of the building, curtain wall construction, window glazing, air conditioner equipment and penetrations, and other general construction practices.
In process testing/inspection performed Environmental Noise Monitoring of Construction Site
Results Field Sound Transmission Class Testing of the finished the hotel rooms facing the highway met the project goals for sound isolation as well as recommended interior noise in each space.
Industry for Use Architects, Hotel Construction, Medical Facility Construction, Military Construction, Applications where sound isolation is important
Delivery/Turnaround Time 6 to 12 months
Delivery Location Cincinnati, Ohio
Standards Met Customer Specifications

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