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<br />e
<br />
<br />RATINGS
<br />
<br />e
<br />
<br />e
<br />
<br />e
<br />
<br />FIRE RESISTANCE
<br />
<br />RESISTANCE
<br />
<br />BEAM, GIRDER AND TRUSS PROTECTIONS
<br />Fire Resistance Ratings Based on Standard Fire Tests
<br />
<br />FIRE
<br />
<br />RATINGS
<br />
<br />(63) Based on test data obtained from unpublished report of recognized
<br />testing laboratory. Test results in brief form published in Bulletin of the Board
<br />of Standards and Appeals of the City of New York, September 23, 1952.
<br />
<br />..
<br />
<br />.
<br />
<br />Rating
<br />
<br />P.oteetion
<br />
<br />of
<br />
<br />Details
<br />
<br />Type
<br />
<br />National Bureau of Stand-
<br />1951.
<br />
<br />(64) "Fire Endurance of Hollow Brick: Walls,"
<br />ards Technical News Bulletin Vol. 35, No.4, April,
<br />
<br />1~ in) concrete, coarse aggregate air cooled slag,
<br />expanded slag, crushed limestone, calcareous gravel,
<br />siliceous gravel or traprock. (62)
<br />
<br />Reinforced
<br />Concrete
<br />Beams,
<br />Girders
<br />and
<br />Trusses
<br />
<br />"
<br />
<br />Floors with Concrete Slabs
<br />Report BMS 141, 1954.
<br />
<br />(65) "Fire Endurance of Open-Web Steel-Joist
<br />and Gypsum Ceilings," National Bureau of Standards
<br />
<br />1~ in. (measured from face of lath) gypsum-perlite
<br />plaster on metal lath cage of self furring metal lath
<br />which puts back of lath ~ in. from steel. Plaster
<br />mix: scratck and brown coat 2 cu. ft. U.L. listed
<br />perlite to 100 Ibs. gypsum. Other details as specified
<br />in U.L. lis tinge, under Floor or Roof, and Ceiling
<br />Constructions-Design No. 5-3 HR (Beam 4 HR)
<br />or Design No. 8-4 HR. ,....."..........,.......'...',..,.................
<br />
<br />2 in. (measured from face of lath) U.L. listed vermicu-
<br />lite acoustical plastic on metal lath cage. Other de-
<br />tails as specified in U.L. Iistingc, under Floor or Roof,
<br />and Ceiling Constructions-Design No. 10-4 HR
<br />(Beam 4 HR). ..........."...,...............,.........,......,...,....,....,....
<br />
<br />1~ in. (measured from face of lath) U.L. listed sprayed
<br />fiber on metal lath attached to 5/16 in. rod bent
<br />around beam. Rod spaced at least 1 in. from bottom
<br />flange of beam. Other details as specified in U.L.
<br />listingc:, under Floor or Roof, and Ceiling Construc-
<br />tions-Design No. 13-4 HR (Beam 4 HR). ..............
<br />
<br />3~ in. U.L. listed sprayed fiber applied directly to
<br />adhesive coated steel beam. Other details as specified
<br />in U.L. Iistingc:, under Floor or Roof, and Ceiling
<br />Constructions-Design No. 11-4 HR (Beam 4 HR).
<br />
<br />1~ in. U.L. listed sprayed fiber on metal lath bent
<br />around % in. U-shaped channels stiffened with % in.
<br />or 1 in. channels, putting face of lath 1% in. from
<br />% in. U.L. listed sprayed fiber on beam. Other details
<br />as specified in U.L. Iistingc:, under Floor or Roof, and
<br />Ceiling Constructions-Design No. 6-4 HR (Beam
<br />
<br />4 HR). .....,........,..................................',..............,..................
<br />2 in. U.L. listed sprayed fiber applied directly to steel
<br />beam. Other details as specified in U.L. Iistinge,
<br />under Floor or Roof, and Ceiling Constructions-
<br />Design No. 14-4 HR (Beam 3 HR). ..,....,........,...........
<br />2~ in. U.L. listed sprayed fiber applied directly to
<br />adhesive coated steel beam. Other details as specified
<br />in U.L. listinge, under Floor or Roof, and Ceiling
<br />Constructions-Design No. 9-4 HR (Beam 3 HR)
<br />or Design No. 9-3 HR. ....................,.....',..."....,...........,....
<br />1 in. (measured from face of lath) gypsum perlite
<br />plaster on metal lath supported by % in. channels
<br />boxed around beam, which puts back of lath at least
<br />1 ~ in. from the bottom and 1 ~ in. from edges of
<br />structural members. Plaster mix: scratch coat 2 cu.
<br />ft. and brown coat 3 cu. ft. U.L. listed perlite to
<br />100 Ibs. fibered gypsum. Other details as specified
<br />in U.L. listinge, under Floor or Roof. and Ceiling
<br />Constructions-Design No. 6-3 HR (Beam 2 HR).
<br />
<br />Letter refer to notes,
<br />
<br />4 hrs.
<br />
<br />Project No.
<br />
<br />(67) Ohio State University Engineering Experiment Station Project No.
<br />T-162, Dec., 1950 (unpublished). Test results in brief form published in Bulletin
<br />of the Board of Standards and Appeals of the City of New York, July 10, 1951.
<br />
<br />Station
<br />
<br />(66) Ohio State University Engineering Experiment
<br />T-147, July, 1949 (unpublished).
<br />
<br />Steel
<br />Beams,
<br />Girders
<br />and
<br />Trusses
<br />Individually
<br />Protected
<br />
<br />of
<br />
<br />University
<br />
<br />Engineer,
<br />
<br />Consulting
<br />
<br />(68) Report of Raymond E. Davis,
<br />California, Oct. 18, 1945 (unpublished).
<br />
<br />data obtained from
<br />
<br />4 hrs.
<br />
<br />4 brs.
<br />
<br />of recognized
<br />
<br />of
<br />
<br />of
<br />
<br />of
<br />
<br />University
<br />
<br />University
<br />
<br />University
<br />
<br />report
<br />
<br />Consulting Engineer,
<br />
<br />Consulting Engineer,
<br />
<br />Consulting Engineer,
<br />
<br />unpublished
<br />
<br />test
<br />
<br />(70) Report of Raymond E. Davis,
<br />California, Sept. 19, 1949 (unpublished).
<br />
<br />(71) Report of Raymond E. Davis,
<br />California, Oct., 1949 (unpublished).
<br />
<br />(72) Report of Raymond E. Davis,
<br />California, Aug. 3, 1948 (unpublished).
<br />
<br />(73) Report of Raymond E. Davis,
<br />California, Apr. 11, 1951 (unpublished).
<br />
<br />(69) Based on
<br />testing laboratory.
<br />
<br />.
<br />
<br />.
<br />
<br />of
<br />
<br />of
<br />
<br />University
<br />
<br />University
<br />
<br />Consulting Engineer,
<br />
<br />Engineer,
<br />
<br />Consulting
<br />
<br />(74) Report of Raymond E. Davis,
<br />~alifornia, Apr. 14, 1948 (unpublished).
<br />
<br />test data obtained from
<br />
<br />4 hrs.
<br />
<br />MS.
<br />
<br />4 hrs.
<br />
<br />4
<br />
<br />recognized
<br />
<br />of
<br />
<br />of recognized
<br />
<br />University of
<br />
<br />T-22,
<br />
<br />University
<br />
<br />Station Project
<br />
<br />report
<br />
<br />of
<br />
<br />report
<br />
<br />Engineer,
<br />
<br />Engineer,
<br />
<br />unpublished
<br />
<br />(76) Report of Raymond E. Davis,
<br />California, Oct. 6, 1947 (unpublished).
<br />
<br />(77) Report of Raymond E. Davis,
<br />California, May 21, 1947 (unpublished).
<br />
<br />(78) Ohio State University Engineering Experiment
<br />Report No.1, Jan. 8, 1940 (unpublished).
<br />
<br />(79) Based on test data obtained from unpublished
<br />testing laboratory.
<br />
<br />(80) "Fire Tests of Wood Framed Walls
<br />Cement Facings," National Bureau of Standards
<br />
<br />Slabs and
<br />
<br />Consulting
<br />
<br />Consulting
<br />
<br />(75) Based on
<br />testing laboratory.
<br />
<br />.
<br />J
<br />
<br />and Partitions with Asbestos-
<br />Report BMS 123, 1951.
<br />
<br />" National Bureau
<br />
<br />3 hrs.
<br />
<br />2 hrs.
<br />
<br />MS.
<br />
<br />3
<br />
<br />page 47.
<br />
<br />5
<br />
<br />superscripts
<br />
<br />.
<br />
<br />;ol'
<br />.
<br />
<br />e
<br />
<br />of
<br />
<br />Project
<br />
<br />Project
<br />
<br />Project
<br />
<br />No.
<br />
<br />Project No.
<br />
<br />No.
<br />
<br />No.
<br />
<br />Project
<br />
<br />Project
<br />
<br />Station
<br />
<br />Station
<br />
<br />Station
<br />
<br />Station
<br />
<br />Station
<br />
<br />Station
<br />
<br />Partitions,
<br />
<br />(82) Ohio State University Engineering Experiment
<br />T-1l8, Reports No. 27 and 28, June, 1950 (unpublished).
<br />
<br />(83) Ohio State University Engineering Experiment
<br />T-118, Reports No. 35 and 36, June, 1950 (unpublished).
<br />
<br />(84) Ohio State University Engineering Experiment
<br />No. T-347, February 21, 1955 (unpublished).
<br />
<br />(85) Ohio State University Engineering Experiment
<br />No. T-183, June 1953 (unpublished).
<br />
<br />(86) Ohio State University Engineering Experiment
<br />T-194, Reports No.1 and I-A, Apr., 1952 (unpublished).
<br />
<br />(87) Ohio State University Engineering Experiment
<br />T-209, Reports No. 2-A and 2-B, Oct., 1952 (unpublished)
<br />
<br />52
<br />
<br />"Fire Tests of Gunite
<br />Report BMS 131, 1952.
<br />
<br />(81)
<br />Standards
<br />
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