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      ACOUSTICAL IMPROVEMENTS WITH NATURAL AIR VENTILATION IN THE LIU INSTITUTE FOR GLOBAL ISSUES AT THE UNIVERSITY OF BRITISH COLUMBIA

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          Abstract

          Low speech privacy in shared and private offices in one of the early generation of a “green” building resulted in occupants' dissatisfaction. This problem is experienced in Liu institute with a natural-ventilation system. Such a system requires low air-flow resistance which is achieved by large openings which will result in noise transmission between various spaces within the building. The poor acoustical quality in this building resulted in occupants' noise complaints which were further investigated by way of relevant acoustical measurements. CATT-Acoustic software was utilized to modify the acoustical quality of the building without any disturbance to the occupants. The optimized design of the transfer box above the office door was selected based on CATT-Acoustic predictions. The acoustical measurements were conducted after installation of the transfer box above the office door. The measurements' results agreed with the predictions which led to improved speech privacy to an acceptable level between the office and the corridor in Liu Institute. More work should be done to improve the acoustical quality of natural-ventilated building to conform to ANSI standards. 1 The results of this study strongly support including acoustics in “green” building designs with natural ventilation to avoid users' complaints.

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          Most cited references 5

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          “Noise control strategies for naturally ventilated buildings”

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            “Design and evaluation of noise-isolation measures for the natural-ventilation openings in a ‘green’ building”

             M. HODGSON (2020)
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              “Modeling the Acoustical and Airflow Performance of Simple Lined Ventilation Apertures”

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                Author and article information

                Journal
                jgrb
                Journal of Green Building
                College Publishing
                1552-6100
                1943-4618
                1943-4618
                Winter 2011
                : 6
                : 1
                : 114-122
                Author notes

                aStantec Architecture Ltd., 1100-111 Dunsmuir, Vancouver, BC, V6B 6A3, Canada, zohreh.razavi@ 123456stantec.com , alireza.khaleghi@ 123456stantec.com .

                bAcoustics and Noise Research Group, SOEH-MECH, University of British Columbia, 3rd Floor, 2206 East Mall, Vancouver, BC V6T 1Z3. murray.hodgson@ 123456ubc.ca .

                cCurrent address: Busby Perkins+Will, 1220 Homer St., Vancouver, BC V6B 2Y5, Max.Richter@ 123456perkinswill.com .

                dSchool of Environmental Health, 3rd floor, 2206 East Mall and Department of Mechanical Engineering, 6250 Applied Science Lane, University of British Columbia, Vancouver, BC, V6T 1Z3, Canada, murray.hodgson@ 123456ubc.ca .

                Article
                jgb.6.1.114
                10.3992/jgb.6.1.114
                ©2011 by College Publishing. All rights reserved.

                Volumes 1-7 of JOGB are open access and do not require permission for use, though proper citation should be given. To view the licenses, visit https://creativecommons.org/licenses/by-nc/4.0/

                Page count
                Pages: 9
                Product
                Categories
                RESEARCH ARTICLES

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