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<br /> FLOOR AND CEILING CONSTRUCTIONS
<br />Concrete 6 in. hollow clay tile fillers laid end to end in rows 2~
<br />and Tileu in. or more apart; reinforcing steel placed between
<br /> these rows, and concrete cast around and over tile to
<br /> a depth of 2 in. Ceiling plastered with ~ in. 1:3
<br /> gypsum and sand plaster. (33) '............,........."..".,"....,..., 2 hrs.
<br /> 4 in. hollow clay tile fillers laid end to end in rows
<br /> 2~ in. or more apart; reinforcing steel placed be-
<br /> tween these rows and concrete cast around and over
<br /> tile to a depth of 1~ in. Ceiling plastered with ~ in.
<br /> 1:3 gypsum and sand plaster. (33) ,."..........,..""......,.... 1~ hrs.
<br /> 4 in, hollow clay tile fillers laid end to end in rows 2~
<br /> in. or more apart; reinforcing steel placed between
<br /> these rows and concrete cast around them and over
<br /> tile to a depth of 1 ~ in. Ceiling unplastered. (33) _,.... 1 hr.
<br />Gypsum 4 in. reinforced gypsum concrete slab supported on
<br />,.. ._- pruperly protected fluor bea.i"iiS; li;infcrced ;~ in.
<br />.:uaDU
<br /> above bottom of slab; ceiling plastered with ~ in.
<br /> gypsum and sand plaster. (18, 19) ...,..............,... 3 hrs.
<br /> Letter superscripts refer to notes, page 47.
<br /> 16
<br />
<br />. e · Nonbearing. t For partitions loaded not to exceed 5,120 Ibs. per sq. in. of
<br />stud area the rating is 2~ hrs.
<br />Letter superscripts refer to notes, page 47.
<br /> 41
<br />
<br />~.
<br />
<br />0,)
<br />
<br />1~ in. (minimum thickness) U.L. listed sprayed fiber
<br />applied directly to steel. Other details as speci-
<br />fied in U.L. listingc, under Column Protection-
<br />Design No. 4-2 HR. .............................,.,__,......,____............
<br />2~ in. plaster, two ~ in. layers 1 :1/10 :2~ (by vol-
<br />ume) portland cement, lime and sand on metal lath;
<br />~ in. air space between layers; no fill. (26) ."",...""",
<br />~ in. 1 :2~ gypsum and sand plaster on ~ in. perforated
<br />gypsum lath boxed around column and fastened with
<br />wire ties. (92) ,......,...,"......,..."",...........,....,.......,................
<br />Three layers ~ in. gypsum wallboard. Inner two layers
<br />cemented and clinch nailed together, cemented to col-
<br />umn flanges and tied to column with double strands 18
<br />gauge tie wire at 15 in. spacing. Outer layer cemented
<br />to inner layer; corners cemented and taped. (69) ........
<br />Two layers ~ in. gypsum wallboard. Inner layer
<br />cemented to column flanges and tied to column with
<br />double strands 18 gauge tie wire at 15 in. spacing.
<br />Outer layer cemented to inner layer; corners cemented
<br />and taped. (69) ',.......,..".........,".......................................,.,
<br />~ in. 1:3 gypsum and sand plaster or 1 in. 1 :2~ port-
<br />land cement and sand plaster, on metal lath. (9) ........
<br />~ in. 1 :2~ gypsum and sand plaster, on ~ in. per-
<br />forated gypsum lath boxed around column and fast-
<br />ened with wire ties. (92) ............................",.'...,...",.",.
<br />2 in. hollow clay tile with outside wire tiesq, with or
<br />without concrete fill; ~ in. mortar between tile and
<br />column. (26) ",.......,...........,"'....
<br />1 in. plaster, 1 :1/10 :2~ (by
<br />ment, lime and sand on metal
<br />
<br />volume) portland
<br />lath; no fill. (26)
<br />
<br />ce-
<br />
<br />2 hrs.
<br />2 hrs.
<br />1 ~ hrs.
<br />1~ hrs.
<br />I hr.
<br />1 hr.
<br />1 hr. ,.
<br />hr.
<br />hr.
<br />
<br />.
<br />
<br />Steel Stud
<br />Hollow
<br />Partitions,
<br />Plastered
<br />Finished
<br />each side
<br />as noted
<br />
<br />~ in. 2 gypsum and sand plaster on ~ in. perforated
<br />gypsum lath, attached securely to 2~ in. studs by
<br />special clips across lath. Abutting ends of lath secured
<br />to each other with metal wire clips. Studs pressed
<br />into ceiling track and fastened with two double strands
<br />of tie-wires; attached to floor track with a double
<br />strand of wire ties each side of track. (102) ......,.........
<br />~ in. 1:2 gypsum and sand plaster on ~ in. perforated
<br />gypsum lath, attached securely to 3~ in. steel studs
<br />by metal clips across lath. Abutting ends of lath
<br />secured to each other with metal wire clips. Studs
<br />fastened to ceiling and floor tracks with two double
<br />strands of tie-wire at ceiling and floor. (103) ....,.....,.
<br />~ in. 1:2 gypsum and sand plaster on ~ in. perforated
<br />gypsum lath attached securely to 2~ in. studs by tie
<br />wires and wire clips. Abutting ends of lath secured
<br />to each other with metal wire clips. Studs pressed
<br />into ceiling track and fastened with two double strands
<br />of tie wires; attached to floor track with a double
<br />strand of wire ties on each side of track. (84) ..,.........
<br />~ in. 1 :1/30 :2, I :1/30:3 portland cement, asbestos fiber
<br />and sand plaster on metal lath. (9) ..........".".,...,...,...,...,...
<br />~ in. 1 :2, 1:3 gypsum and sand plaster on metal lath.
<br />
<br />(7, 9) .,."........,'...,.,....."......".",...",...','......."",....""......,...,.....
<br />~ in. 1:2 portland cement and sand plaster in the
<br />scratch coat, 1:3 gypsum and sand plaster in the
<br />brown coat, on metal lath. (7) ...,......,.,.............,.."...",....,
<br />~ in. I :2, 1:2 gypsum and sand plaster on metal lath.
<br />
<br />(7, 9) .,..........,....,............,.........,...,'......,......,.......,.......,..........
<br />3~ in. wall (total thickness) consisting of ~ in. gyp-
<br />sum and sand plaster on ~ in. U.L. listed gypsum
<br />lath attached tightly to ~ in. channel frame by wire
<br />ties. ~ in. channels spaced 30 in. on centers hori-
<br />zontally and 5 ft. on centers vertically; tied at inter-
<br />sections. Channel frame attached to ~ in. runner
<br />channels at ceiling, floor and wall edge. Plaster mix:
<br />scratch coat 100 Ibs., brown coat 200 Ibs. sand to
<br />100 Ibs. fibered gypsum. Other details as specified in
<br />U.L. Iistingc, under Walls and Partitions-Design
<br />
<br />No. 10-1 HR. ............,.......,......,....,...",.......,_____......,..."........
<br />~ in. 1:1 gypsum and sand plaster on ~ in. gypsum
<br />lath on steel studs providing 1 ~ in. central air
<br />
<br />space. (15) ",...'........,...",."""",'.,......"..,...""...,............,......
<br />~ in. 1:2 gypsum and sand plaster on ~ in. perforated
<br />gypsum lath attached securely to 334 in. studs by metal
<br />clips, abutting ends of lath secured to each other with
<br />metal finger cli ps. ( 46) ......"...,'...............,..,.....'.....,..........
<br />
<br />~ in. gypsum-perlite plaster on ~ in. perforated gypsum
<br />lath attached securely to 4 in. studs by metal clips and
<br />with abutting ends of lath secured to each other with
<br />metal finger clips. Plaster mix for scratch and brown
<br />coats, 100 Ibs. gypsum to 2~ cu. ft. perlite. (48) ,.......
<br />
<br />Type
<br />
<br />Steel
<br />Columns
<br />
<br />'_
<br />FIRE RESISTANCE RATINGS
<br />COLUMN PROTECTIONS-Continued
<br />Fire Resistance Ratings Based on Standard Fire Tests
<br />-
<br />Details of Construction Rating
<br />
<br />.
<br />
<br />e
<br />
<br />~
<br />
<br />,~
<br />
<br />.'
<br />
<br />e
<br />
<br />Type
<br />
<br />Details
<br />
<br />.
<br />FIRE RESISTANCE RATINGS
<br />
<br />WALLS AND PARTITIONS-Continued
<br />Fire Resistance Ratings Based on Standard Fire Tests
<br />
<br />of
<br />
<br />Protection
<br />
<br />Rating
<br />-
<br />I~ hrs..
<br />1~ hrs.*
<br />1~ hrs.*
<br />1 hr.*
<br />1 hr.
<br />I hr..
<br />I hr.
<br />1 hr..
<br />1 hr..
<br />I hr..
<br />1 hr..
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