<?xml version="1.0" encoding="UTF-8" standalone="no"?><?Xpress productLine="ncc-clause" ?><clause id="_ef8c90b5-ca47-46e1-b45a-f7609d7fcb5a" outputclass="ncc-clause"><meta><facet building="Class 1a"/><facet building="Class 1b"/><facet building="Class 10c"/></meta><sptc>D4D8</sptc><title id="_8a4756cc-b8b2-4e86-82d1-deaccee27a16">Hearing augmentation</title><archive-num>2019: D3.7</archive-num><subclause id="_41c42aad-a504-4a2a-a713-0699b37ae706" outputclass="subclause"><title id="_41657ee3-1355-4840-b60c-d077b6a57145">SubClause</title><num>1</num><p>A hearing augmentation system must be provided where an inbuilt amplification system, other than one used only for emergency warning, is installed—</p><ol outputclass="alpha"><li id="_74c7b42a-bb56-4718-b3bf-7a2edba91db2">in a room in a Class 9b building; or</li><li id="_30311320-0c4e-4de4-bda6-db7a4233793c">in an auditorium, conference room, meeting room or room for judicatory purposes; or</li><li id="_fe99e367-9833-4e44-930a-0c87bc6557e7">at any ticket office, teller’s booth, reception area or the like, where the public is screened from the service provider.</li></ol></subclause><subclause id="_cc66d3d7-67ef-4583-8ca0-ff3fd4a8e04d" outputclass="subclause"><title id="_d7a2a458-de37-4354-ac4b-565aa3ab6bd1">SubClause</title><num>2</num><p>If a hearing augmentation system <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1432_4.0.0.xml#_af6fde9f-147d-4782-8b85-42044e80fd42" id="_cf997434-af9b-4056-b8c2-557f4ac8ce70" scope="local" type="abcb-glossentry">required</xref> by (1) is—</p><ol outputclass="alpha"><li id="_dd78e15e-955d-42b7-8e34-3561a3acbb63">an induction loop, it must be provided to not less than 80% of the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1314_2.10.0.xml#_7da927fe-453e-424f-b6ec-280f4e464397" id="_0e400b41-6b6e-4ad8-ae9f-d26956ad3950" scope="local" type="abcb-glossentry">floor area</xref> of the room or space served by the inbuilt amplification system; or</li><li id="_7316f80f-508f-4291-a225-2c6276a6ec22">a system requiring the use of receivers or the like, it must be available to not less than 95% of the <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1314_2.10.0.xml#_7da927fe-453e-424f-b6ec-280f4e464397" id="_0b181339-3e1f-4553-8e1d-e2bb484bcf9e" scope="local" type="abcb-glossentry">floor area</xref> of the room or space served by the inbuilt amplification system, and the number of receivers provided must not be less than—<ol><li>if the room or space accommodates up to 500 persons, 1 receiver for every 25 persons or part thereof, or 2 receivers, whichever is the greater; and</li><li>if the room or space accommodates more than 500 persons but not more than 1000 persons, 20 receivers plus 1 receiver for every 33 persons or part thereof in excess of 500 persons; and</li><li>if the room or space accommodates more than 1000 persons but not more than 2000 persons, 35 receivers plus 1 receiver for every 50 persons or part thereof in excess of 1000 persons; and</li><li>if the room or space accommodates more than 2000 persons, 55 receivers plus 1 receiver for every 100 persons or part thereof in excess of 2000 persons.</li></ol></li></ol></subclause><subclause id="_a78eaa59-f50d-4fef-b883-b50ea0c6a73b" outputclass="subclause"><title id="_a9bdf5d9-f883-4e64-b425-aee0be17447a">SubClause</title><num>3</num><p>The number of persons accommodated in the room or space served by an inbuilt amplification system must be calculated according to <xref format="dita" href="/tmp/QppServer/Publishing/5e2c1f63-e589-4ce1-95e8-5c3e286a7aff/1591_1.2.0.xml#_28daca1c-ddcf-48d5-8f4c-607750649af0" id="_86685b15-ed15-47e8-b7d7-afa36ec0d4d9" scope="local" type="clause">D2D18</xref>.</p></subclause><subclause id="_b3c14573-d2ae-44f9-9f2b-72719d2d8c9e" outputclass="subclause"><title id="_32d60efa-bd09-41c4-9acd-ebfef03b1a55">SubClause</title><num>4</num><p>Any screen or scoreboard associated with a Class 9b building and capable of displaying public announcements must be capable of supplementing any public address system, other than a public address system used for emergency warning purposes only.</p></subclause></clause>