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<br />,05/;6/91 07:54
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<br />512 447 224E:
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<br />Fabrication
<br />Procedures For:
<br />
<br />12" x 48"
<br />and 24" x 48"
<br />Non-Air Handling
<br />Fixture'
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<br />ACiJUST, CCiHCEPT'3, mc.
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<br />PAGE 05
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<br />Material: U.L. classified 1~'1 thick mineral wool batts, %" acoustical material, or W' or %" gypsum wallboard.
<br />Check UL design for allowable light fixture protection material and conatruction details.
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<br />"lli:.!,;lj'!(PicNredis' 24'f x 4Blffixture: Except for
<br />li!i,I:lli!l'isi~e;.pr9. cedu. r. e istyp. leal of both,).: '
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<br />Cut 6" x 6" spacers from end pieces. Place spacers
<br />6'1 from end of each fixture taking care not to cover
<br />.. the ballast mounting suriace.
<br />II "
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<br />i"WPlace 4W' x 48" side pieces against the fixture
<br />(on the inslde,of the croSS tee) and the 21" x 48"
<br />top piece over the fixture body between the
<br />~g~r~i res'l/',
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<br />Stand 0" x 24" end pieoes loosely at each end.
<br />These pieces should rast perpendicular to the
<br />fixture (on the Ollte,ide of the main rUMer) Md be
<br />secured with light gauge wire if minerai wool i$
<br />used. If acoustical tile or gypsum wallboard is
<br />used, secure side and end pieces with S-d
<br />nails. Five along each end-into the tOj), and two
<br />at each end-into the side pieces,
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