HomeMy WebLinkAboutDOC-1996-Suspended Ceiling Systems - • r(ION N
ICBO Evaluation Service, Inc.
y eO°e 5360 WORKMAN MILL ROAD N WHITTIER,CALIFORNIA 90601-2299
A subsidiary corporation of the International Conference of Building Officials
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EVALUATION REPORT Report No.5173
Copyright®1996 ICBO Evaluation Service,Inc. Reissued February 1, 1996
Filing Category:SUSPENDED CEILINGS (262)
FIRE-RATED AND NONFIRE-RATED SUSPENDED CEILING SYSTEMS 3003-1-116 or 3105-1-116 aluminum. Minimum yield strength is 50 ksi
WORTHINGTON ARMSTRONG VENTURE(WAVE) (344.5 N/mm2) for 0.013-inch-thick (0.33 mm) steel, 51 ksi (351.4
POST OFFICE BOX 3045 N/mm2)for 0.015-inch-thick(0.38 mm)steel,and 54 ksi(372.1 N/mm2)
MALVERN,PENNSYLVANIA 19355 for 0.018-inch-thick (0.45 mm) steel. Table 1 specifies dimensions,
ARMSTRONG WORLD INDUSTRIES, lengths and allowable transverse loads.
POST OFFICE BOX 3001 4. Cross Runners,Fire-rated:Two series of cross runners are recog-
LANCASTER,PENNSYLVANIA 17604 nized in this report:XL 8200 series(Prelude Plus Fire Guard)and XL 8300
I.Subject:Fire-rated and Nonfire-rated Suspended Ceiling Systems. series (Prelude Fire Guard). The inverted T-shaped members are cold-
11. Description:A.General: The suspended ceiling system members formed from ASTM A 366 steel with an electrogalvanized coating for the
described in this report are used in fire-rated and nonfire-rated direct- XL 8300 series,and have a factory-installed steel cap along the entire
length of the bottom flange.The XL 8200 series members have a hot-
hung ceiling assemblies.Allowable loads on the sections are shown in
Tables 1 and 2.Cross-section profiles are shown in Figure 1. dipped galvanized coating and a bottom flange cap made from either
3003-1-116 or 3105-1-116 aluminum. Minimum yield strength is 48 ksi
B.Materials:1.Main Runners,Nonfire-rated:Models 7300(Prelude), (330.7 N/mm2) for 0.010-inch-thick (0.25 mm) steel, 50 ksi (334.5
7303 (Prelude),7305 (Prelude)and 7500(Suprafine),6100(Interlude) N/mm2)for 0.013-inch-thick(0.33 mm)steel,51 ksi(351.4 Wmm2)for
and HD 72GO (Prelude Plus) main runners are structurally classified as 0.015-inch-thick(0.38 mm)steel,and 54 ksi for 0.018-inch-thick steel.
intermediate duty.Mode17301 (Prelude)main runner is structurally clas- Table 2 specifies dimensions,lengths and allowable transverse loads.
sified as heavy duty.The inverted T-shaped members are cold-formed 5. Hanger Wire:Wire for suspending the ceiling system and any fix-
from ASTM A 366 steel, with an electrogalvanized coating for Models tures is minimum No.12 gage,galvanized,soft annealed,mild steel wire.
7300, 7301 and 7303,and have a factory-installed steel cap along the
entire length of the bottom flange. Model 6100 has a painted coating in 6. Accessories:Each system has accessory items that include support
addition to the electrogalvanized coating and has no rapping. The HD angles and corner caps.Steel for accessory hems has a minimum yield
7200 member has a hot-dipped galvanized coating and a bottom flange strength of 33 ksi(227.4 Wmm2).
cap made from either 3003-H16 or 3105-1-116 aluminum.Minimum yield C.Fire-rated Systems:1.8300(Prelude Fire Guard)Series and HD
strength is 50 ksi(344.5 Wmm2)for 0.013-inch-thick(0.33 mm)steel, 8200(Prelude Plus Fire Guard)Series Two-hour Fire-rated Suspended
51 ksi (351.4 N/mm2)for 0.015-inch-thick(0.38 mm)steel,and 54 ksi Ceiling System:This exposed grid system is partofatwo-hourfire-resis-
(372.1 N/mm2)for 0.018-inch-thick(0.46 mm) steel. Table 1 specifies five-floor/ceiling assembly.The No.83GO main tee has an expansion relief
dimensions,lengths,and allowable transverse loads. mechanism.The main tees are 12 feet(3657.6 mm)long and are spaced
2. Cross Runners,Nonfire-rated:Five series of cross runners are rec- 4 feet(1219.2 mm)on center.The cross tees,nominally 4 feet(1219.2
ognized in this report:XL 7200 series(Prelude Plus),XL 7300 series(Pre- mm)long,are Installed perpendicular to the main runners and spaced 2
lude),XL 7500 series(Suprafine),XL 8500 series(Suprafine Fire Guard) feet(609.6 mm)on center.A 24-inch(609.6 mm)by 24-inch(609.6 mm)
and 6100 series (Interlude).The inverted T-shaped members are cold- module may be used with crosstees 2 feet(609.6 mm)long installed per-
formed from ASTM A 366 steel,with an electrogalvanized coating for the pendicular to the 4-foot (1219.2 mm) cross tees and spaced 4 feet
XL 7300 and XL 8300 series,and have a factory-installed steel cap along (1219.2 mm)on center.The No.8300 series cross tees must be used with
the entire length of the bottom flange.The 6100 series has a painted finish this assembly and have a double locking detail at each end to maintain
in addition to the electrogalvanized coating and has no capping.The XL positive engagement to the main runner and to each other.All members
7200 series members have a hot-dipped galvanized coating and a bottom have dimensions shown in Table 2 and the section profile in accompany-
flange cap made from either 3003-H16or3105-Hi6 aluminum.Minimum ingdetails.For additional details,see Figure 2.
yield strength is 48 ksi (330.7 N/mm2)for 0.010-inch-thick(0.25 mm) 2. 8301(Prelude Fire Guard)Series Two-hour Fire-rated Suspended
steel,50 ksi(344.5 N/mm2)for 0.013-inch-thick(0.33 mm)steel,51 ksi Ceiling System:This exposed grid system is part of atwo-hourfire-resis-
(351.4 N/mm2)for 0.015-inch-thick(0.38 mm)steel,and 54 ksi(372.1 live floor-ceiling system and is identical to the No.8300 series two-hour
N/mm2)for 0.018-inch-thick(0.45 mm) steel.Table 2 specifies dimen- fire-rated system described in Section II C 1,except that No.8301 main
sions,lengths and allowable transverse loads. tees are used.
3. Main Runners,Fire-rated:Models 8300 and HD 8200 main runners D.Installation:1.General:Installation must comply with U.B.C.Stand-
are structurally classified as intermediate duty.Model 8301 main runner and 25-2,Part II(Installation)and Part III(Lateral Design Requirements).
is structurally classified as heavy duty.The inverted T-shaped members 2. Main Runners:Main runners are installed so that they are level to
are cold-formed from ASTM A 366 steel with an electrogalvanized coating within 118 inch (3.175 mm)in 12 feet(3657.6 mm)with the supporting
for Models 8300 and 8301,and have a factory-installed steel cap along wires taut.The design loads for main runners must be less than or equal
the entire length of the bottom flange.The HD 8200 member has a hot- tothe capacities shown in Table 1.Supportsforthe main runnersthatcon-
dipped galvanized coating and a bottom flange cap made from either sist of vertical hangers,perimeter hangers,and lateral force bracing are
Evaluation reports of ICBO Evaluation Service,Inc.,are issued solely to provide information to ClassA members ofICBO,utiUung the code upon which lhereport
is based Evaluation reportsare notlo be construed as mpresendugaesthetics orany otherattributes not specificaUy addressednorasan endorsement orrecommen-
dation for use of the subject report.
This report is based upon independent tests or othertechnical data submitted by the applicant.The ICBO Evaluation Service,Inc.,technical staff has reviewed the
testresuhs and/or otherdata,but does not possess test faci itiesto make an independent verification.There is no warranty by ICBOEvaluation Service,Inc.,express
orimplied,asto any"Finding"orothermatterin the report orasto any product coveredbythereport.This disclaimerincludes,but is not limited to,merchantability.
Page 1 of 6
Page 2 of 6 Report No.5173
installed in accordance with the code.The floor or roof construction sup- Light fixtures must be positively attached to the suspended ceiling sys-
porting the suspended ceiling must be approved by the building official. tem with connectors having a minimum capacity of 100 percent of the
3. Cross Runners:Cross runners are supported either by main runners lighting fixture weight in any direction.These connectors may consist of
or by other cross runners to within 1/32 inch (0.79 mm)of the required No. 12 gage hanger wires attached to main or cross runners within 3
center distances.This tolerance shall be noncumulative beyond 12 feet inches(76.2 mm)of each corner of each fixture.When lighting fixtures
(3657.6 mm).Intersecting runners are installed so that they form a right weigh less than 56 pounds(249.1 N),two additional No.12 gage hanger
angle to the supporting members. The design loads for cross runners wires connect the fixture to the supporting floor or roof construction.
must be less than or equal to the capacities shown in Table 2.A cross run- Lighting fixtures weighing more than 56 pounds(249.1 N)must be sup-
nerthat supports another cross member must have a minimum uniformly ported directly from the structure above by approved hangers.
distributed load capacity of 12 pounds per linear foot(175.2 N/m). 8. Mechanical Services: Ceiling-mounted air terminals or services
4. Vertical Hangers:No.12 gage vertical suspension wires are spaced weighing less than 20 pounds(88.9 N) must be positively connected to
at 4 feet on center along the main runner.The connection attaching the the main runners or to cross runners with the same carrying capacity as
suspension wires to the supporting construction must have a minimum the main runners.Forterminals or services weighing 20 pounds(88.9 N),
but not more than 56 pounds (249.1 N), two additional No. 12 gage
load capacity of 100 pounds 135.6 N .The wires are installed vertically
P tY P ( )
sotheY arenotmorethanlin6out-of-P P 9 lumbunlesscounterslo in wires hanger wires are used to connectthe device to the ceiling system hangers
are provided. Wires are not permitted to be attached to or bent around or the structure above. Terminals or services weighing more than 56
interfering material or equipment. pounds must be supported directly from the structure above the ceiling
5. Perimeter Hangers:The terminal ends of each cross runner and system by approved hangers.
main runner are supported independently a maximum of 8 inches(203.2 9. Partitions:Suspended ceiling systems that provide lateral support
mm)from each wall or ceiling discontinuity with No.12 gage wire or an for partitions must comply with Section 25.214 of U.B.C.Standard 25-2.
approved wall support. Unless perimeter members are a structural part E. Identification:Cartons of all products are identified with the name
of the approved system,wall angles or channels are considered aesthetic and address of Armstrong World Industries, Inc., and WAVE. Number
closures and have no structural value. designations specify gage of steel,depth of section and length.
6. Lateral Force Bracing:Lateral bracing consists of four No.12 gage III.Evidence Submitted: Report of vertical,compressive and tension
Wires attached to the main runner within 12 inches (304.8 mm) of the load tests in accordance with U.B.C.Standard 25-2.
cross-runner intersection and splayed 90 degrees(1.57 rad)from each
other at an angle not exceeding 45 degrees(0.78 rad)from the plane of Findings
the ceiling.An approved strut,extending and fastened to the supporting
structural members,is attachedtothe main runner.Thestrut must be ade- IV. Findings:That the suspended ceiling systems described in this
quateto resist the vertical component induced bythe bracing wires.These report comply with the 1994 Uniform Building Code*",subject to the
lateral bracing wire connection points are placed 12 feet(3657.6 mm)on following conditions:
center in both directions along the ceiling system with the first point within
6 feet(1828.8 mm)of each wall.Attachment of the restraint wires to the 1. The ceiling suspension main and cross runners are fabricated
structure above must be adequate for the load imposed. and installed in accordance with this report and the manufactur-
7. Fixtures:Fixtures installed in acoustical tile or lay-in panel ceilings er's instructions.
are mounted in a manner that will not compromise ceiling performance. 2. Allowable loads and spans of main and cross runners comply
Fixtures are not permitted to be supported from main runners or cross with Tables 1 and 2.
runners if fixture weights result in total dead loads exceeding values in 3. Ceiling access complieswith Table l6-B,Footnote4 of the code.
Tables 1 and 2.In such cases,the fixture load is supported by supplemen- 4. The ceiling systems are restricted to interior applications.
tal hangers within 6 inches(152.4 mm)of each corner,or the fixture is
supported by other methods approved by the building official. This report is subject to re-examination in two years.
z
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Page 3 of 6 Report No.5173
TABLE 1-DIMENSIONS AND ALLOWABLE LOADS FOR MAIN RUNNERS
ALLOWABLELOADS
CATALOG NUMBER NOTE TYPE LENGTH METAL THICKNESS MAXIMUM SPAN
(Itches) (Inches) (feal) Single Span Uniform Con mated Load w
Load(lbsAin.ff.) Micsim(Ibs.)
6100 N/A E 144" 0.015 4 15.79 31.58
HD 7200 N/A A 144" 0.015 HD 4 14.4 28.8
7300 N/A A 144" 0.013 4 12.6 25.2
7301 N/A A 144" 0.018 4 16.5 33
7303 N/A A 144" 0.015 4 14.4 28.8
7305 N/A A 140" 0.015 4 14.4 28.8
7500 N/A D 144" 0.015 4 13.33 26.66
7600 N/A F 144" 0.015 4 12.97 25.94
7601 N/A F 144" 0.017 4 16.35 32.70
7604 N/A F 120" 0.017 4 16 33
7605 N/A F 120" 0.017 4 16 33
7606 N/A F 120" 0.015 4 13 27
7607 N/A F 120" 0.015 4 13 27
HD 8200 N/A A 144" 0.015 HD 4 13.13 26.26
8300 N/A A 144" 0.015 4 13.13 26.26
8301 N/A A 144" 0.018 4 16.19 32.38
For SI:1 inch=25.4 rem,1 lb/fin.ft.=14.6 N/m,1 1b=4.44 N. II
TABLE 2-DIMENSIONS AND ALLOWABLE LOADS FOR CROSS RUNNERS III;
ALLOWABLE LOADS
anch")CATALOG NUMBER NOTE TYPE LENGTH METANESS MAXIMUM SPAN
(Inchea) (Itches) (Nall) Sl Loa Span Uniform Cenosntrated Load at
Load bsAin.A. Mitls Ibs.
6100 Series
6120 2 E 24" 0.015 2 66.89 66.89
6140 2 E 48" 0.015 4 15.43 30.86
XL 7200 Series
XL 7228 2 8 24" 0.010 HD 2 47.30 47.30
XL 7220 2 A 24" 0.015 HD 2 65.71 55.71
XL 7230 2 A 36" 0.015 HD 3 23.35 35.03
XL 7240 2 A 48" 0.015 HD 4 13.34 26.68
XL 7257 2 A 60" 0.015 HD 5 6.53 16.33
XL 72SB 2 A 60" 0.015 HD 5 6.53 16.33
XL 7300 Series
XL 7312 2 A 12" 0.010 1 65.42 32.71
XL 7362 2 A 20" 0.010 1.67 65.42 54.52
XL 7322 2 A 24" 0.010 2 49.89 49.89
XL 7372 2 A 30" 0.010 2.5 27.77 34.71
XL 7332 2 A 36" 0.010 3 17.42 26.13
XL 7342 2 A 48" 0.010 4 9.98 19.96
XL 7318 2 B 12" 0.010 1 73.29 36.65
XL 7398 2 B 18" 0.010 1.5 73.29 54.97
XL 7368 2 B 20" 0.010 1.67 73.29 61.20
XL 7328 2 B 24" 0.010 2 38.63 38.63
XL7378 2 B 3lT 0.010 2.5 16.54 18.60
XL 7338 2 8 36" 0.010 3 16.54 24.81
XL 7348 2 B 48" 0.010 4 8.31 16.62 I.
XL 7360 2 A 20" 0.013 1.67 87.58 73.13
XL7320 2 A 24" 0.013 2 59.78 59.78
XL 7330 2 A 36" 0.013 3 20.83 31.25
XL 7340 2 A 48" 0.013 4 12.75 25.50
XL 7329 2 A 24" 0.015 2 69.82 69.82
XL7339 2 A 36" 0.015 3 27.71 41.57
XL7349 2 A 48" 0.015 4 13.21 26.42
XL 7357 2 A 60" 0.015 5 7.61 19.03
XL 7358 2 A 60" 0.015 5 7.61 19.03
XL 7380 2 A 96, 0.015 8 2.75 11.00
XL 7380" 2 A 96, 0.015 4 7.85 15.70"
XL 7321 2 A 24" 0.018 2 74.38 74.38
XL 7341 2 A 48" 0.018 4 16.39 32.78
XL 7324 2 C 24" 0.013 2 38.38 38.38
XL 7344 2 C 48" 0.013 4 6.74 13.48
Note: 1=Available Stitched Only
2=Available Stitched or Unstitchad
N/A=Not Applicable
Hanger Wire Support at Mid Span
(3mcantated Load at Mid Span Between Supports
HD =Hot Dipped Galvanized
Page 4 of 6 Report No.5173
TABLE 2-DIMENSIONS AND ALLOWABLE LOADS FOR CROSS RUNNERS-(Continued)
ALLOWABLE LOADS
CATALOG NUMBER NOTE TYPE LENGTH METAL THICKNESS MAXIMUM SPAN
(1n ) pechee) (Teat) Slmple Span Unibrm I Concentratad Lead at
Load IbsAin.ti. I Mika Ibe.
XL 7500 Series
XL 7510 1 D 12" 0.013 1 75.92 37.96
XL 7560 1 D 20" 0.013 1.67 75.92 63.39
XL 7520 1 D 24" 0.013 2 49.45 49.45
XL 7570 1 D 30" 0.013 2.5 21.07 26.34
XL 7530 1 D 36" 0.013 3 21.07 31.61
XL 7542 1 D 48" 0.013 4 9.83 19.76
XL 7519 1 D 12" 0.015 1 96.12 48.06
XL 7569 1 D 20" 0.015 1.67 96.12 80.26
XL 7529 1 D 24" 0.015 2 60.18 60.18
XL 7579 1 D 30" 0.015 2.5 22.37 27.96
XL 7539 1 D 36" 0.015 3 22.37 33.66
XL 7540 1 D 48" 0.015 4 10.44 20.88
XL 7541 1 D 48" 0.018 4 13.89 27.78
XL 7558 1 D 60" 0.018 5 6.35 16.23
7600 Series
7610 2 F 12" 0.015 1 83 41
7660 2 F 20" 0.015 1.67 83 69
7620 2 F 24" 0.015 2 83 83
7670 2 F 30" 0.015 2.5 42 52
7630 2 F 36" 0.015 3 25 38
7640 2 F 48" 0.015 4 17 34
7646 2 F 48" 0.015 4 17 35
7645 2 F 48" 0.015 4 14 29
7650 2 F 60" 0.015 5 9 23
7656 2 F 60" 0.015 5 7 18
7655 2 F b0" 0.015 5 71 20
7657 2 F 60" 0.015 5 7 18
7611 2 F 12" 0.017 1 97 48
7661 2 F Mr 0.017 1.67 97 81
7621 2 F 24" 0.017 2 97 97
7671 2 F 30" 0.017 2.5 53 66
7631 2 F 36" 0.017 3 28 42
7641 2 F 48" 0.017 4 20 41
7648 2 F 48" 0.017 4 18 36
7647 2 F 48" 0.017 4 17 35
7651 2 F 60" 0.017 5 10 24
7652 2 F 60" 0.017 5 9 23
7656 2 F 60" 0.017 5 9 22
7659 2 F 60" 0.017 5 9 23
XL 8200 Series
XL 8223 2 B 24" 0.013 HD 2 53.56 53.56
XL 8220 2 A 24" 0.015 HD 2 55.71 55.71
XL 8230 2 A 36" 0.015 HD 3 24.35 36.53
XL 8240 2 A 48" 0.015 HD 4 13.34 26.68
XL 8257 2 A 60" 0.015 HD 5 6.31 15.78
XL 8258 2 A 60" 0.015 HD 5 6.31 15.78
XL 8300 Series
XL 8360 2 A 20" 0.013 1.67 87.58 73.13
XL 8320 2 A 24" 0.013 2 59.78 59.78
XL 8313 2 B 12" 0.013 1 76.22 38.11
XL 8363 2 B 20" 0.013 1.67 7U2 63.64
XL 8323 2 B 24" 0.013 2 58.28 58.28
XL 8329 2 A 24" 0.015 2 63.05 63.05
XL 8370 2 A 30" 0.015 2.5 27.71 31.17
XL 13330 2 A 36" 0.015 3 27.71 41.57
XL 8340 2 A 48" 0.015 4 13.21 26.42
XL 8357 2 A 60" 0.015 5 7.61 19.03
XL 8358 2 A 60" 0.015 5 7.61 19.03
XL 8324 2 C 24" 0.015 2 33.34 33.34
XL 8500 Series
XL 8520 1 D 24" 0.015 2 57.78 57.78
XL 8540 1 D 48" 0.018 4 13.72 27.44
Note: 1=Available Stitched Only For SI:I inch=25.4 mm, I IbAin.ft.=14.6 N/m,1 Ib=4.44 N.
2=Available Stitched or Unslitched
N/A=Not Applicable
HD =Hot Dipped Galvanized
Page 5 of 6 Report No.5173
3 I
32 4 9 � I 1
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1 6 16 16
T YPE A T YPE B T YPE C
13 - I 4 13 4
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9 16
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TYPE D T YPE E T YPE F
FIGURE 1
Page 6 of 6 Report No.5173
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FIGURE 2
1. Beam:W8 by 24 minimum size.
2. Normal-weight Concrete:Carbonate or siliceous aggregate,152 plus or minus 3 pcf unit weight,4300
psi compressive strength,21/2 inches thick above top of form units.
3. Welded Wire Fabric:6 x 6-W1.4 x W1.4.
4. Steel Form Units:Minimum 19/32-inch-deep corrugated galvanized steel,28 MSG minimum gauge.
Welded to supports not over 15 inches on center using welding washers.
5. Steel Joists:Type 10K1 minimum size;spaced 24 inches on center,welded to end supports.
6. Bridging:One-half-inch-diameter steel bars welded to top and bottom chords of each joist
7. Hanger Wire:No.12 SING galvanized steel wire tied to lower chord of joists and located 48 inches on
centeralong main runners adjacentto cross-tee intersections.Additional wires required at comers of light
fixtures,and at midspan of cross tees adjacent to light fixtures and dud cutlets.When the main runner
splice is more than 3 inches from a grid intersection that has a hanger wire,another,hanger wire is
required at the next grid intersection on the other side of splice(24 inches on center).
8. Air Duct:No.22 MSG minimum galvanized steel.Total area of dud openings not to exceed 113 square
inches per 1GG square feet of ceiling area.Area of individual dud opening not to exceed 113 square
inches maximum dimension of opening 12 inches.Dud supported by 1 by 1-inch 10 MSG painted steel
angles spaced not over 48 inches on center suspended by 12 SWG galvanized steel wire.
9. Damper:No.16 MSG minimum galvanized steel,sized to overlap dud opening 2 inches,minimum.Pro-
tected on both sides with Vie-inch-thick ceramic fiber paper laminated to the metal with adhesive and
held open with a listed fusible link.
10. Fixtures,Recessed Light:Listed fluorencent lamp type,steel housing,2 by 4 feet size.Fixtures spaced
so their area does not exceed 24 square feet per 100 square feet d ceiling.
11. Fixture Protection—Batts and Blankets:Listed 11/4-inch-thick,cut into pieces to form a tent-shaped
enclosure.Two-inch-wide strips placed full length along sides of fixtures against cross tees.Side pieces
placed over strips and butted together over centerfine of fixture with approximately 4 inches of overlap
on adjacent ceiling panels.End pieces minimum 4 inches hitgh,placed against ends of fixtures and tied
to side pieces with 18 SING galvanized steel wire.Minimum 12-inch clearance required between fixture
and protection enclosure.
12. Steel Framing Members—Armstrong World Industries,Inc.:Nos.8300 and 8301 series.
13. Acoustical Material: Underwriters Laboratories Inc, classified Armstrong World Industries, Type
5/8-inch P with surface perforations.The material shall be 24 by 24 inches or 24 by 48 inches and are
lay-in panels.Border panels supported at wells by minimum 0.016-inch-thick(26 MSG)painted steel
angle with nominal 1 finch legs minimum or 0.016-inch-thick(26 MSG)painted steel channel,11/2 inches
deep with nominal 1-inch bottom flange and 3/4-inch top flange.
14. Hold-down Clips:(Not illustrated)No.30 MSG spring steel,1/2-inch-long clipped over bulb of cross tees
2 feet on center.