Evaluation of Wall Designs that Control Airborne Sound Transmission墙的设计，控制空气中声传输的评价.docVIP

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Evaluation of Wall Designs that Control Airborne Sound Transmission墙的设计，控制空气中声传输的评价.doc

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Evaluation of Wall Designs that Control Airborne Sound Transmission墙的设计，控制空气中声传输的评价.doc

TECHNICAL REPORT EVALUATION OF WALL DESIGNS THAT CONTROL AIRBORNE SOUND TRANSMISSION Firm Ideas FIRM IDEAS May 1, 2003 Mike Parker, Manager of EBC Properties 1123 Parker Lane Austin, TX 78705 Dear Mr. Parker: The attached technical report contains Firm Ideas’ evaluation of wall designs that control airborne sound transmission. This report includes the descriptions of each wall design, the evaluation process, and the wall design that Firm Ideas recommends EBC Properties use in their new apartment complexes. We used the solution criteria established by EBC Properties and Firm Ideas to evaluate six wall designs: Single Stud Wall with Resilient Channel Single Stud Wall with Sound Deadening Board Staggered Stud Wall Staggered Stud Wall with Sound Deadening Board Double Stud Wall Double Stud Wall with Sound Deadening Board Firm Ideas recommends that EBC Properties use the Double Stud Wall in their new apartment complexes. First, the Double Stud Wall provides moderate performance with an STC value of 53 decibels. Second, the Double Stud Wall has a relatively low material cost of $11.98 per linear foot and a relatively low labor cost of $8.74 per linear foot. Finally, the Double Stud Wall can support the highest mountable object weight of 110 pounds per linear foot. This wall design best meets the needs of EBC Properties. Firm Ideas is available to answer any questions you may have concerning this report or the project in general. You can contact Firm Ideas at (512) 400-3333 or by email at engineers@. Sincerely, Jeffrey Hunt Project Engineer Evaluation of Wall Designs that Control Airborne Sound Transmission Prepared for EBC Properties Prepared by Jeff Hunt Firm Ideas May 1, 2003 Table of Contents List of Illustrations…………………………………………………………………………… i Executive Summary…………………………………………………………………………. ii Introduction…………………………………………………………………………………… 1 Background…………………………………………………………………………………… 1 Purpose, Scope, and Limitations……………………………………………………………… 1 Methodol