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O-1952-429
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O-1952-429
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Last modified
11/2/2016 3:38:19 PM
Creation date
10/23/2006 5:09:53 PM
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Legislative Records
Legislative Type
Ordinance
Date
9/9/1952
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<br />12 <br /> <br />. <br /> <br />e <br /> <br />45 <br /> <br />Letter <br /> <br />2~ in. perlite-plaster reinforced with plain wire fabric, <br />on paper backed No. '16 guage welded wire fabric. <br />Plaster mix: 3~ cu. ft. U.L. listed perlite plaster <br />aggregate to 100 Ibs. of portland cement. No fill. <br />Other details as specified in U.L. Iistingc, under <br />Column Protection-Design No. 8-4 HR. ,.....'......,...... <br /> <br />superscripts refer to notes, <br /> <br />page 47. <br /> <br />4 hrs. <br /> <br />· Nonbearing. <br /> <br />Letter superscripts refer to notes, <br /> <br />page 47, <br /> <br />1~ in, (measured from face of lath) gypsum-perlite <br />plaster on metal lath spaced 1~ in. from column with <br />plaster pushed through to column flan~es. Plaster mix: <br />scratch and brown coats 3 cu. ft. U.L. listed perlite <br />plaster aggregate to 100 lb. fibered gypsum. No fill. <br />Other details as specified in U.L. Ii~tingc, under <br />Column Protection-Design No. 3-4 HR. <br /> <br />4 hrs. <br /> <br />;,J, <br /> <br />~ in. gypswn wallboard, <br />mineral wool bats nailed in <br /> <br />3/16 in. cement-asbestos <br />wallboard. (9) .. <br /> <br />4 in. strips of ;i in. gypsum board over edges of <br />studs under facing of 3/16 in. cement-asbestos <br />board; filling of mineral wool bats. (9) ..",..........", <br /> <br />boards over in. <br /> <br />stud spaces filled <br />place. (7, 9) <br /> <br />~ <br /> <br />gypsum <br /> <br />with <br /> <br />1 <br /> <br />1 <br />1 <br /> <br />hr. <br /> <br />hr. <br />hr. <br /> <br />1~ in. (measured from face of lath) gypsum-perlite <br />plaster or U.L. listed cementitious mixture on self- <br />furring metal lath. Plaster mix: scratch coat 2 cu. <br />ft. and brown coat 3 cu. ft. U.L. listed perlite to 100 <br />Ibs. fibered gypsum or scratch and brown coat of <br />U.L. listed cementitious mixture. No fill. Other <br />details as specified in U.L. listing<<: under Column <br />Protection-Design No. 6-4 HR 4 hrs. <br /> <br />~ <br /> <br />Two layers ~ in. gypsum wallboard. First layer <br />applied vertically and nailed to studs with 1~ in. <br />cement coated nails on 8 in. centers. Back of <br />second layer cemented and nailed to face of first <br />layer, placed horizontally and nailed with 1~ in. <br />cement coated nails on 8 in. centers. Joints <br />cemented and taped. (97) <br /> <br />1 <br /> <br />hr. <br /> <br />1~ in. (measured from face of lath) gypsum-perlite <br />plaster on metal lath spaced from flanges by ~ in. <br />steel furring channels at approx. 2 ft. vertical spacings. <br />Plaster mix: scratch coat 2 cu. ft. and brown coat 3 <br />cu. ft. U.L. listed perlite to 100 Ibs. fibered gypsum. <br />No fill. Other details as specified in U.L. listing<<:, <br />under Column Protection-Design No. 7-4 HR. <br /> <br />4 hrs. <br /> <br />% in U.L. listed wallboardcc, nailed to studs with <br />1 ~ in. nails; joints and nailheads covered with <br />tape and joint finisher. Other details as specified <br />in U.L. Iistingc, under Walls and Partitions- <br />Design No. 5-1 HR <br /> <br />1 <br /> <br />hr. <br /> <br />. <br /> <br />. <br /> <br />Two layers ~ in. U.L. listed wallboardcc, glued <br />together and nailed to studs with I~ in. nails; <br />joints and nailheads covered with tape and joint <br />finisher. Other details as specified in U.L. listing<<:, <br />under Walls and Partitions-Design No. 6-1 HR. <br /> <br />1 <br /> <br />hr. <br /> <br />1~ in. gypsum-perlite plaster reinforced with wire mesh; <br />on two layers of ~ in. gypsum lath boxed around col- <br />umn and fastened with wire ties. Plaster mix: <br />scratch coat 2 cu. ft. and brown coat 3 cu. ft. perlite <br />to 100 Ibs. gypsum. (92) ........... <br /> <br />4 hrs. <br /> <br />3/16 in. asbestos-cement <br />wallboard. (80) <br /> <br />1 hr. or <br />1~ hrs.. <br />1 hr. or <br />1~ hrs.. <br /> <br />I~ in. gypsum-vermiculite plaster reinforced with wire <br />mesh, on two layers of ~ in. gypsum lath boxed <br />around column and fastened with wire ties. Plaster <br />mix: scratch coat 2 cu, ft. and brown coat 3 cu. ft. <br />vermiculite to 100 Ibs. gypsum. (92) ,...'",...."......,......... <br /> <br />4 hrs. <br /> <br />Two layers of ~ in. gypsum wallboard, the inner <br />layer applied vertically with edge joints off the <br />studs, and attached with 1% in. nails having 7/32 <br />in. heads; outer layer applied horizontally with <br />end joints on studs, attached with 2~ in. nails <br />having 17164 in. heads. All joints of finish layer <br />taped, filled, and sanded. (75) """,.. <br /> <br />sheets over <br /> <br />~ <br /> <br />in. <br /> <br />gypsum <br /> <br />1~ in. (measured from face of lath) gypsum-vermicu- <br />lite plaster on metal lath spaced 1~ in. from column <br />with plaster pushed through to column flanges. <br />Plaster mix: scratch coat 2 to 2~ cu. ft. and brown <br />coat 3 to 3~ cu. ft. U.L. listed vermiculite plaster <br />aggregate to 100 lb. fibered gypsum. No fill. Other <br />details as specified in U.L. listing<<:, under Column <br />Protection-Design No. 1-4 HR. <br /> <br />4 hrs. <br /> <br />n. hollow clay tile plastered with % in. I :2~ (by <br />volume) lime and sand plaster; 1~ in. mortar between <br />tile and column, ~ in. metal mesh in horizontal joints <br />limestone concrete fill. (26) <br /> <br />4 <br /> <br />'us. <br /> <br />Wood Stud <br />Partitions, <br />Without <br />Plaster <br />Studs 2 x 4 <br />in. or larger. <br />Finished <br />each side <br />as noted <br /> <br />Two layers of ~ in. gypsum wallboard applied hori- <br />zontally with end joints of both layers on studs. <br />First layer attached with 1% in. nails having 7132 <br />in. heads; outer layer with 2~ in. nails having <br />17164 in. heads. All joints of finish layer taped, <br />filled, and sanded. (56),."............. <br /> <br />1~ hrs. <br /> <br />Two layers ~ in. gypsum wallboard. First layer <br />attached with 1% in. nails having 7132 in. heads; <br />second layer attached with 1~ in. nails having ~ <br />in. heads. Outside joints taped and pointed and <br />nail heads covered with joint cement. (38)....",...".... <br /> <br />1 hr. or <br />1~ hrs.. <br /> <br />Type <br /> <br />Steel <br />Columns <br /> <br />4 <br /> <br />Fire <br /> <br />COLUMN <br />Resistance <br /> <br />Details <br /> <br />PROTECTIONS-Continued <br />Ratings Standard Fire <br /> <br />of <br /> <br />Based on <br /> <br />Protection <br /> <br />Tests <br /> <br />Rating <br /> <br />. <br /> <br />. <br /> <br />Type <br /> <br />Fire <br /> <br />WALLS <br />Resistance <br /> <br />Details <br /> <br />AND PARTITIONS-Continued <br />on Standard <br /> <br />Ratings <br /> <br />of <br /> <br />Based <br /> <br />Construction <br /> <br />Fire <br /> <br />Tests <br /> <br />Rating <br /> <br />FIRE ttSISTANCE <br /> <br />RATINGS <br /> <br />e <br /> <br />e <br /> <br />FIRE RESISTANCE ITINGS <br />
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