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<br />Design No. D929
<br />Restrained
<br />Unrestrained
<br />Unrestrained
<br />Min Mineral
<br />February 07, 2003
<br />Assembly
<br />f Assembly
<br />Beam
<br />& Fiber Board
<br />Rating Hr
<br />Rating Hr
<br />Rating Hr
<br />Thkns In
<br />Restrained Assembly Rating-1,1-1/2, 2, or 3 Hr
<br />1
<br />1
<br />1 .
<br />3/4
<br />(See Items 1, 5, 9,10,14)
<br />1
<br />/
<br />1 2
<br />1
<br />1
<br />3/4
<br />1-1/2
<br />1-1/2 <
<br />1-1/2'?
<br />3/4
<br />Unrestrained Assembly Ratings - 0 Hr (See Item 4 & 5)...
<br />........... ........... ...... t
<br />............................... , ......
<br />2
<br />1 '
<br />1 '
<br />3/4
<br />Unrestrained Beam Ratings - 1, 1-1/2 or 2 Hr ( See Items 5, 10 & 14
<br />. 3
<br />2
<br />2 .
<br />1-5/8
<br />1. Supports-W8x28 min size steel beams.
<br />2. Normal Weight or Lightweight Concrete- Normal weight concrete carbonate or siliceous aggregate,
<br />3500 psi compressive strength vibrated. Lightweight concrete, expanded shah or slate aggregate by
<br />rotary -kiln method, or expanded clay aggregate by rotary -kiln or sintered-grate method, 3000 psi
<br />compressive strength, vibrated, 4 to 7 percent entrained air.
<br />Restrained
<br />Concrete
<br />Concrete Unit
<br />Concrete
<br />Assembly Rating Hr
<br />(Type)
<br />Weight p d
<br />Thkns In.
<br />1
<br />Normal'a'iTeight
<br />147-153
<br />3-112
<br />1-1/2
<br />Normal Weight t
<br />147-153 `
<br />4
<br />2
<br />Normal Weight >
<br />147-153
<br />4-1/2
<br />3
<br />Normal Weight £
<br />147-153
<br />5-1/4
<br />x
<br />3/4 or 1
<br />Lightweight;;
<br />107-113 >
<br />2-1/2
<br />.:...,,..........................w.......... ... ».,.....».......,..a.«..wa..,,:r.<,..,rxaavwaa,:oa,w:
<br />3
<br />_
<br />Normal Weight 1
<br />147-153
<br />5-1/4
<br />(See Item 6)
<br />1
<br />r Lightweight
<br />107-120
<br />2-5/8
<br />1-1/2
<br />Lightweight
<br />107-113
<br />3
<br />.::.:...:.:...»,..,»,.»,.,,..:.....,......,.......:.,::......,,.......::..:....,.
<br />2
<br />.,,.....,,... ... ......... ......... ....... .::...::.,,, �.,.,,,.,.....»...:.f:....,....:.:.::.,,:.:...:.,......,,..,».,.:...........,,....:,F,,,,»,.:::.....,...»..,...,,....,.......,
<br />Lightweight }
<br />107-113
<br />3-1/4
<br />.:........:.......:..........:.,v:............,................ ..............,....,,.,
<br />2
<br />.,,.,..,.,,....:......:......:::..::.,.»»»..»,...�:.,�..::F:...............,,......,.,.................,,,...,...,.,..,
<br />Lightweight
<br />..,:.,,.,.....,...,...:........,,,.,,...,
<br />107-116 '
<br />3-1/4*
<br />2
<br />Lightweight
<br />114-120 <
<br />3-1/2
<br />3
<br />Lightweight
<br />107-113
<br />4-3/16
<br />3
<br />Lightweight <
<br />114-120 `
<br />4-7/16
<br />*For use with 2 or 3 in. steel floor and form units only.
<br />3. Welded Wire Fabric - 6 x 6, 10 x 10 SWG.
<br />4. Steel Floor And Form Units* - Composite 1-1/2, 2 or 3 in. deep galv units. Fluted units may be
<br />uncoated or phosphatized/painted. Min gauges are 22 MSG for fluted and 20/20 MSG for cellular units.
<br />The following combinations of units may be used:
<br />(1) all 24 or 36 in. wide cellular.
<br />(2) all fluted.
<br />(3) one or two 3 in. deep, 12 in. wide, 18/18 MSG min cellular units, alternating with 3 in. deep fluted or
<br />other cellular.
<br />(4) any blend of fluted and 24 or 36 in. wide cellular
<br />(5) 3 in. deep, 30 in. wide cellular with 8-1/8 in. wide valley along side joints may be used when 3/8 in.
<br />diam reinforcing bars are placed 1-1/2 in. to each side of side joints and 1 in. above bottom of unit.
<br />(6) Corrugated, 1-5/16 in. deep, 30 in. wide, 24 MSG min galv units that shear wires factory welded to
<br />deck corrugations. Welded to supports 12 in. OC. through welding washers. For shear wire spacing of 8 in.
<br />or less the steel deck stress shall not exceed 20 KSI. For shear wire spacing greater than 8 in. OC. but less
<br />than or equal to 2 in. OC. steel deck stress shall not exceed 12 KSI.
<br />CONSOLIDATED SYSTEMS INC - 24 or 36 in. wide, Types CFD-2, CFD-3; 24,30 or 36 in. wide
<br />Type CFD-1.5; 24 in. wide Type NC; 24 in. wide Type Versa-Dek® S, LS, XLS. Units maybe phos/ptd.
<br />Spacing of welds attaching units to supports shall be 12 in. OC for 24 and 36 in. wide units, four welds per
<br />sheet for 30 in. wide units. Unless noted otherwise, adjacent units button -punched or welded together 36 in.
<br />OC along side j oints.
<br />5. Mineral and Fiber Boards - Boards cut in various widths to be compatible with the size of beam
<br />being protected. Boards placed parallel with the flange of the beams being protected. Boards placed parallel
<br />with the flange of the beams are cut the width of the flange. Boards placed parallel with the web of the
<br />beams are cut the width of the beams (web side) plus twice the board thickness. The voids created by the
<br />flutes above the beam to be filled with mineral wool batts having a nom density of 4 lb per cu ft.
<br />ALBI MFG, DIV OF STANCHEM INC - Type Dri-Clad.
<br />6. Noggings- Min 1-1/2 in. thick, pieces of mineral and fiber board (See Item 5). Cut to friction fit
<br />between beam flanges.
<br />7. Fasteners - The boards are fastened to the noggings and to each other by means of spiral type screws,
<br />spaced a max of 6 in. OC. The fasteners are installed on both sides of horizontal joints.
<br />8. Shear- Connector Studs - Optional - Studs 3/4 in. diam by 3 in. long, for 1-1/2 in. deep form units
<br />to 5-1/4 in. long for 3 in. deep form units, headed type or equivalent per AI SC specifications. Welded to the
<br />top flange of the beam through the steel form units.
<br />9. Electrical Inserts - (Not shown) Classified as "Outlet Boxes and Fittings Classified for Fire
<br />Resistance".
<br />H H ROBERTSON - Preset Inserts.
<br />For use with 2-1/2 in. lightweight concrete topping over QL-WYX steel floor units. Installed over factory -
<br />punched holes in floor units per accompanying installation instructions. Spacing shall not be more than one
<br />insert in each 14 sq ft of floor area with spacing along floor units not less than 48 in. OC. The holes cut in
<br />insert cover for passage of wires shall be no more than 1/8 in. larger diam than wire. Restrained Assembly
<br />Rating is 3/4 hr with Tapmate II-FS-1 and I hr with Tapmate II-FS-2 inserts.
<br />H H ROBERTSON - Tapmate II-FS-1, II-FS-2; Series KEB.
<br />WALKER SYSTEMS INC - After set Inserts.
<br />Single -service after set inserts installed per accompanying installation instructions in 2-1/2 in diam hole
<br />core -drilled through min 3-1/4 in. thick concrete topping to top of cell of any min 3 in. deep cellular steel
<br />floor unit specified under Item 3. Spacing shall be no more than one insert in each 10 sq ft of floor area in
<br />each span with a min center to center spacing of 16 in. If the high potential and low potential raceways of
<br />the cellular steel floor unit are separated by a valley filled with concrete; the center to center spacing of the
<br />high potential and low potential single -service after set inserts may be reduced to a min of 7-1/2 in.
<br />Restrained Assembly Rating is 2 hr or less with internally protected Type 436 after set insert with Type
<br />M4-, M6- or NIS Series single -service activation fitting.
<br />WALKER SYSTEMS INC - Internally protected Type 436 after set insert with Type M4-, MS- or M8-
<br />Series single -service activation fitting.
<br />Boards* - (Optional, not shown. For u t - e concrete
<br />i era) and Fiber Boa r use with he 3 1/4 in. lightweight i ht 10. Mineral (p g g
<br />topping only) Appl
<br />ied lied over concrete floor with no restriction on thickness. When the insulation is used the Restrained Assembly Rating is reduced to 1-1/2 h.
<br />See Mineral and Fiber Board (CERZ) category for names of manufacturers.
<br />11. Roof Covering Materials* - (Optional, not shown) Consisting of materials compatible with
<br />insulation described herein which provide Class A, B or C coverings. See Built -Up Roof Covering
<br />Materials in Building Materials Directory.
<br />12. Insulating Concrete - (not shown) Optional. Various types of insulating concrete prepared and
<br />applied in the thickness indicated:
<br />A. Vermiculite Concrete - (not shown) Optional.
<br />1. Blend 6 to 8 cu ft of Vermiculite Aggregate* to 94 lb Portland Cement and air entraining agent Min
<br />thickness of 2 in. as measured to the top surface of the structural concrete or foamed plastic (Item 10) when
<br />it is used.
<br />ELASTIZELL CORP OF AMERICA
<br />W R GRACE & CO - CONN CONSTRUCTION PRODUCTS DIV
<br />2. Blend 3.5 cu ft or Type NVS Vermiculite Aggregate* to 94 lb Portland Cement. Slurry coat, 1/8 in.
<br />thickness beneath foamed plastic (Item 10) when used, 1 in. min topping thickness.
<br />W R GRACE & CO - CONN CONSTRUCTION PRODUCTS DIV
<br />Vermiculite concrete may be covered with Roof Covering Materials (Item 8).
<br />B. Cellular Concrete - Roof Topping Mixture* - Concentrate mixed with water and Portland cement
<br />per manufacturers specifications. Cast dry density and 28-day min compressive strength of 190 psi as
<br />determined with ASTM C495-66.
<br />CELCORE INC - Cast dry density of 31 (+ or -) 3.0 pcf.
<br />CELLUFOAM CONCRETE SYSTEMS, DIV OF CELLUFOAM CONCRETE OF - Cast dry
<br />density of 30 (+ or - 3.0 ) pcf.
<br />CELLULAR CONCRETE L L C - Cast dry density of 37 (+ or -) 3.0 pcf.
<br />ELASTIZELL CORP OF AMERICA - Type H. Mix #1 of cast dry density 39 (+ or -) 3.0 pcf, Mix #2
<br />of cast dry density 40 (+ or -) 3.0 pcf, Mix #3 of cast dry density 47 (+ or -) 3.0 pcf.
<br />C. Cellular Concrete - Roof Topping Mixture* - Concentrate mixed with water and Portland cement
<br />per manufacturers specifications. 28-day min compressive strength of 190 psi as determined with ASTM
<br />C495-66.
<br />W R GRACE & CO - CONN CONSTRUCTION PRODUCTS DIV - Mix No. I or 2. Cast dry density
<br />of 32+3 (Mix No. 1) or 36+3 (Mix No. 2) pcf.
<br />D. Perlite Concrete - 6 cu ft of Perlite Aggregate'" to 94 lb of Portland Cement and 1-1/2 pt air entraining
<br />agent. Min thickness 2 in. as measured to the top surface of structural concrete or foamed plastic (item
<br />l0A) when it is used.
<br />See Perlite Aggregate (CFFX) in Fire Resistance Directory for names of manufacturers.
<br />E. Cellular Concrete -Roof Topping Mixture* -Foam Concentrate mixed with water, Portland Cement
<br />and UL Classified Vermiculite Aggregate per manufacturer's application instructions. Cast dry density of
<br />33 (+ or -) 3.0 pef and 28-day compressive strength of min 250 psi as determined in accordance with
<br />ASTM C495-86.
<br />CELLULAR CONCRETE L L C -Mix No. 3.
<br />UL DETAIL D929 - EXISTING FIRST FLOOR DECK
<br />W R GRACE & CO - CONN CONSTRUCTION PRODUCTS DIV - Mix No. 3
<br />13. Foamed Plastic* - For use only with cellular concrete. Nom 24 by 48 by max 8 in. thick polystyrene
<br />foamed plastic insulation boards having a density of 1.0 + 0.1 pcf encapsulated within cellular concrete
<br />P g ty P P
<br />topping (Item 98). Each insulation board shall contain six nom 3 in. diam holes oriented in two rows of
<br />three hole each with the holes spaced 1� m. OC transverse) and 16 m. OC longitudinally.
<br />s P Y
<br />See Foamed Plastic* (BRYX) category in Building Materials Directory or Foamed Plastic* (CCVW)
<br />category in Fire Resistance Directory for list of manufacturers.
<br />14. Foamed Plastic* - (Optional, not shown. For use with 3-1/4 in. lightweight concrete topping only -
<br />Polyisocyanurate roof insulation, applied over concrete floor with no restriction on thickness. When the
<br />insulation is used the Restrained Assembly Rating is reduced to 1-1/2 h.
<br />See Foamed Plastic (CCVW) category for list of manufacturers.
<br />*Bearing the UL Classification Mark
<br />Reprinted from the Online Certifications Directory with permission from Underwriters Laboratories
<br />Inc.
<br />Copyright ® 2005 Underwriters Laboratories Inc.®
<br />System No. W-1.-1039
<br />(Formerly System No. 605)
<br />F Rating--1 Nr
<br />T Rating--0 and 2 Hr (See Item 2)
<br />SECTION A -A
<br />1. Wall Assembly -The fire rated 9g�psum wallboard/stud watt assembly
<br />shall be constructed of the materials and In the manner specified in the
<br />Individual U300 or U400 Series Wall and partition Designs in the UL Fine
<br />Resistance Din:ctoly and shall, include the following Construction features:
<br />A. Studs-1Ya11 fnrlting may consist of either wood studs or steel
<br />channel studs. wood studs to consist of nom 2 by 4 in. lumber spaced
<br />16 in. OC. Steel studs to be min 2.1/2 in. wide and spaced max 24 in.
<br />OC.
<br />S. Batts and Blankets*-fiom 1.1/2 in. thick mineM wool batU
<br />friction fitted to fill Interior of stud cavities.
<br />C. Wallboard, Gypsum ' -The gypsum wallboard type, thickmess, mimbetr
<br />of Layers and orientation stia be as specified in the individwE Wail
<br />and artition Design. Max dialn of opening is 6 in,
<br />2. Through Penetrants--Qne metallic pi k conduit or tubing to be installed
<br />in either concentrically or eccentrically, within the firestop system. Pipe,
<br />conduit or tubing to be rigidly supported on both sides of wait assembly.
<br />The following types and sizes of metallic pipes, conduits or tubing may
<br />be used:
<br />A. Steel�Pf a_-Nom 4 in. diam for smaller Schedute 10 or heavier)
<br />steel pippeThie annular-ce shan be min Mo whei
<br />steel pipe is used T Rating is 0 hr.
<br />B. Conduit-Nom 4 in- diam ar smaller steel electrical metallic tubing or
<br />steel conduit, The annular space shalt be min 1/4 to max 1-5/9 in.
<br />When conduit is 1/2 in. diam or less. T Rating Is i hL
<br />C. Copper Tubing -Nuns 4 In. diam (or smaller) Type L (or heavier)
<br />copper'tubing. the annular space shaft be min 1 4 to max 1-5/9 in.
<br />When topper tubing is use4 T Rating is 0 hr.
<br />3. forming 142terial'-Mfn 2.1/2 in. thickness of min 3.9 pcF n+lneral wool
<br />Batt insulation firmly packed into opening as a permanent form. Forming
<br />material to be nctssed from both surfaces of wall to accommodate the
<br />required thickness of fill materiaL.
<br />US6 interiors Inc. --Type SAF
<br />4. Fill, Veld or Cavity Materiat`-Min 1/2 in. thickness of felt material
<br />apptied within the annulus, flush with both surfaces of wall. Dry mix
<br />material mixed at a rate of 2.1 parts dry mix to 1 part water by weight
<br />in accordance with the accompanying Installation instructions.
<br />United States GYPSUMCo.-Type Co.-Y a FC
<br />4A. lilt, Yofd or Cavity NettMatr -Kat Shawn -Iwo component lilt material
<br />used as an attemate to Item 4. 14in 1/2 in. thickness of Fill material
<br />h flush with surfaces -
<br />applied within the annular, s t both su aces of wall. Ready mixed
<br />component mixed with accelerator component at a rate of 66 parts of ?
<br />ready -mixed component to 1 part of accelerator component by weight In
<br />accordance with the accompanying installation instructions.
<br />United States Gypsums Co. -Type RFC
<br />'Beating the UL Classification Marking
<br />2 UL DETAIL W-L-1039
<br />A4.1
<br />System No. C-AJ-1276
<br />F Rating - 3 Hr
<br />T Rating - 0 Hr
<br />A -
<br />UY �I
<br />A
<br />v
<br />SECTION A -A
<br />1. Floor or Wall Assembly - Min 4-1/ 2 in. thick reinforced lightweight
<br />or normal weight (1.00-150 pcf) concrete. Wall. may also be constructed
<br />of any UL Classified Concrete Blocks*. Max diam of opening is 6 in.
<br />See Concrete Blocks (CAZT) category in the Fire Resistance Directory for
<br />names of manufacturers.
<br />2. Through Penetrants - One metallic pipe, conduit or tubing to be cen-
<br />tered within the firestop system. Pipe, conduit or tubing to be rigidly
<br />supported on both sides of floor or wall assembly. The following types
<br />and sizes of metallic pipes, conduits or tubing may be used:
<br />A. Steel Pipe - Nom 4 in. diam (or smaller) Schedule 10 (or
<br />heavier) steel pipe. A nom annular space of 3/4 in. is required
<br />within the firestop system.
<br />B. Conduit - Nom 4 in. diam (or smaller) steel electrical metallic
<br />tubing or steel conduit. A nom annular space of 3/4 in. is
<br />required within the firestop system.
<br />3. Firestop System - The firestop system shall consist of the following:
<br />A. Packing or Forming Materials - Optional - One of the follow-
<br />ing packing or forming materials may be used:
<br />Al. Foam backer rod tightly packed into the opening as a pennanent
<br />form. Packing material to be recessed from the top surface of
<br />floor or both surfaces of wall as required to accommodate the
<br />required thickness of putty.
<br />A2. Mineral Wool Batt Insulation - min 4 pcf, tightly packed into
<br />the opening as a permanent form. Packing material to be recessed
<br />from the top surface of floor or both surfaces of wall as required
<br />to accomodate the required thickness of putty.
<br />A3. Forming materials* - Forming material to be foamed into the
<br />opening as a permanent form. Forming material to be recessed
<br />from the top surface of floor or both surfaces of wall as required
<br />to accomodated the required thickness of putty.
<br />HILTI CONSTRUCTION CHEMICALS, DIV OF
<br />HILTI INC -CF128-DW or CF511 Foam Sealant
<br />B. Fill, Void or Cavity Material* - Putty - Min 1 in. thickness of
<br />putty applied within the annulus, flush with top surface of floor
<br />or with both surfaces of wall.
<br />HILTI CONSTRUCTION CHEMICALS, DIV OF
<br />HILTI INC -CP 618 Firestop Putty Stick
<br />*Bearing the UL Classification Mark
<br />3 UL DETAIL C-AG-1276
<br />A4.1
<br />i
<br />Design No. U465
<br />Nonbearing Wall Rating -1 HR.
<br />2 3 4T� 5
<br />1. Floor and Ceiling Runners - (not shown) Channel shaped run-
<br />ners, 3-5/8 in. wide (min), 1-1/4 in. legs, formed from min No. 25 MSG
<br />(min No. 20 MSG when Item 4C is used} alv steel, attached to floor
<br />and ceiling with fasteners spaced 24 in. OC max.
<br />2. Steel Studs- Channel shaped, 3-5/8 in. wide (min), 1-1/4 in. legs,
<br />3/8 in. folded back returns, formed from min No. 25 MSG (min No. 20
<br />MSG when Item 4C is used) gale steel spaced 24 in. OC max.
<br />3. Batts and Blankets* - (Optional) - Mineral wool or glass fiber Batts
<br />partially or completely filling stud cavity.
<br />See Batts and Blankets (BZJZ) category for names of Classified companies.
<br />3A. Fiber, Sprayed* - As an alternate to Batts and Blankets (Item 3) -
<br />Spray applied cellulose insulation material. The fiber is applied with
<br />water to completely fill the enclosed cavity in accordance with the
<br />application instructions supplied with the product. Nominal dry den-
<br />sity of 3.0 lb/ft.1.
<br />U S GREENFIBER L L C- Cocoon stabilized cellulose insula-
<br />tion.
<br />3B. Fiber, Sprayed* - As an alternate to Batts and Blankets (Item 3) and
<br />Item 3A - Spray applied cellulose insulation material. The fiber is
<br />applied with water to interior surfaces in accordance with the applica-
<br />tion instructions supplied with the product. Applied to completely fill
<br />the enclosed cavity. Minimum dry density of 4.3 pounds per cubic ft.
<br />NU -WOOL CO INC - Cellulose Insulation
<br />4. Gypsum Board* - 5/8 in. thick, 4 ft wide, attached to steel studs and
<br />floor and ceiling track with 1 in. long, Type S steel screws spaced 8 in.
<br />OC. along edges of board and 12 in. OC in the field of the board. Joints
<br />oriented vertically and staggered on opposite sides of the assembly.
<br />When attached to item 6 (resilient channels) or 6A (furring channels),
<br />wallboard is screw attached to furring channels with 1 in. long, Type S
<br />steel screws spaced 12 in. OC.
<br />AMERICAN GYPSUM CO -Types AG-C, AGX-C.
<br />BEIJING NEW BUILDING MATERIALS CO LTD -Type
<br />DBX-1.
<br />BPB AMERICA INC -Types 1, EGRG, ProRoc Type X, ProRoc
<br />Type C.
<br />BPB CANADA INC - ProRoc Type C, ProRoc Type X or ProRoc
<br />Type Abuse -Resistant.
<br />CANADIAN GYPSUM COMPANY -Types AR, C, IP-AR,
<br />IP-X2, IPC-AR, SCX, SHX, WRC or WRX.
<br />G-P GYPSUM CORP, SUB OF
<br />GEORGIA-PACIFIC CORP -Types 5, 9, C, DAP, DD, DA, DGG,
<br />DS, G PFS6.
<br />LAFARGE NORTH AMERICA INC -Types LGFC2, LGFC2A,
<br />LGFC6, LGFC6A, LGFC-C, LGFC-C/A.
<br />NATIONAL GYPSUM CO -Types FSK, FSK-C, FSK-G, FSW-C,
<br />FSW G, FSW.
<br />PABCO GYPSUM, DIV OF
<br />PACIFIC COAST BUILDING PRODUCTS INC -Type PG-C or
<br />PG-9 .
<br />SIAM GYPSUM INDUSTRY (SARABURV CO LTD -Type
<br />EX-1
<br />STANDARD GYPSUM L L C -Type SG-C.
<br />TEMPLE -INLAND FOREST PRODUCTS CORP -Type TG-C.
<br />UNITED STATES GYPSUM CO -Type AR, C, FRX-C, IP-AR,
<br />1P-X2 IPC-AR SCX SHX. WRC or WRX.
<br />USG MEXICO S A DE C V -Type AR, C, IP-AR, IP-X2, IPC-AR,
<br />SCX, SHX, WRC or WRX.
<br />4A. Gypsum Board - As alternate to Item 4 -Nom 5 8 in. thick -
<br />sum panels with beveled, square or tapered edges, applied YP
<br />vertica ly or
<br />horizontally. Vertical joints centered over studs and staggered one stud
<br />cavity on opposite sides of studs. Horizontal edge joints and horizontal
<br />butt joints on opposite sides of studs need not be staggered or backed.
<br />Panels attached to steel studs and floor runner with l in, long Type S
<br />steel screws spaced 8 in. OC when applied horizontally, or 8 in. OC
<br />along vertical and bottom edges and 12 in. OC in the field when panels
<br />are applied vertically.
<br />CANADIAN GYPSUM COMPANY - Types AR, C, IP-AR,
<br />IP-X2, IPC-AR, SCX, SHX, WRC or WRX.
<br />UNITED STATES GYPSUM CO -T ype AR, C, FRX-G, IP-AR,
<br />IP-X2, IPC-AR, SCX, SHX, WRC or WRX.
<br />USG MEXICO S A DE C V - Type AR, C, IP-AR, IP-X2, IPC-
<br />AR, SCX, SHX, WRC or WRX.
<br />4B. Gy sum Board* - (As an alternate to Items 4 or 4A) - Nom 3/4 in.
<br />hip 4 f i installed described in Item 4A with r length
<br />t ck t wide, sta ed as desk bed to w t screw
<br />increased to 1-1/4 in.
<br />CANADIAN GYPSUM COMPANY -Types AR EP-AR.
<br />UNITED STATES GYPSUM CO -Types AR, IP-AR.
<br />USG MEXICO S A DE C V -Types AR, IP-AR.
<br />5. Joint Tape and Compound - Vinyl, dry or remixed joint compound,
<br />applied in two coats to joints and screw heads; paper tape, 2 in. wide,
<br />embedded in first layer of compound over all joints. As an alternate,
<br />nominal 3/32 in. thick gypsum veneer plaster may be applied to the
<br />entire surface of Classified veneer baseboard. Joints reinforced.
<br />6. Resilient Channel - (Optional -Not Shown) - 25 MSG galv steel
<br />resilient channels spaced vertically max 24 in. OC, flange portion
<br />attached to each intersecting stud with 1/2 in. long type S-12 panhead
<br />steel screws. Not for use with Type FRX gypsum panels.
<br />6A. Steel Framing Members (Not Shown)* - As an alternate to Item 3,
<br />furring channels and resilient sound isolation clip as described below:
<br />a. Furring Channels - Formed of No. 25 MSG galv steel. 2-3/8
<br />in. wide by 7/8 in. deep, spaced 24 in. OC perpendicular to
<br />studs. Channels secured to studs as described in Item b. Ends of
<br />adjoining channels are overlapped 6 in. and tied together with
<br />double strand of No. 18 SWG galv steel wire near each end of
<br />overlap. As an alternate, ends of adjoining channels may be over-
<br />lapped 6 in. and secured together with two self -tapping #6 fram-
<br />ing screws, min. 7/16 in. long at the midpoint of the overlap,
<br />with one screw on each flange of the channel.
<br />b. Steel Framing Members* - Used to attach furring channels
<br />(Item a) to studs (Item 1). Clips spaced 48 in. OC., and secured to
<br />studs with 1-5/8 in. wafer or hex head Type S steel screw
<br />through the center grommet. Furring channels are friction fitted
<br />into clips.
<br />PAC INTERNATIONAL INC - Type RSIC-1.
<br />*Bearing the UL Classification Mark
<br />4 UL DETAIL U465
<br />�41
<br />Lyndon T. Pollock
<br />Registered Architect AR0006747
<br />Project No. 09005.00
<br />A401
<br />©2012 BHIPK Architects, Inc.
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