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MAX TYP <br />45°. <br />VERTICAL STRUT @ 12'-0" O.C. MAX & <br />6'-0" MIN FROM PERIMETER WALLS <br />FRO MAIN RUNNERS & 4'-0" FOR <br />CROSS RUNNERS. REFER TO DETAIL <br />ON THIS SHEET. <br />12 GA VERTICAL HANGER <br />WIRE @ 4'-0" EACH WAY W/ <br />MIN 3 TIGHT TURNS IN 1 1/2" <br />BOTH ENDS OF WIRE (TYP) <br />12 GA. SPLAY BRACE WIRE IN <br />4 DIRECTIONS 90 DEG APART <br />@ 12'-0" X 8'-0" O.C. WITH 4 <br />TIGHT TURNS IN 1 1/2" <br />NOTES: <br />1. 2" MAX FROM BRACING WIRES TO CROSS RUNNERS. <br />2. SUSPENDED CEILING ATTACHMENTS IN ACCORDANCE WITH ICC ESR #1222 <br />MAIN RUNNERS <br />MAIN RUNNERS <br />S <br />E <br />N <br />W <br />4'-0" TYP <br />SEE NOTE 1 <br />EA WAY <br />45°. <br />45°. <br />MAX TYP <br />60°. <br />SUPPLEMENTARY HANGER WIRE, WHERE <br />REQ'D (REFER TO CHART ON THIS SHEET). <br />WIRE TO BE 12 GA WITHIN 3" OF EACH <br />CORNER OF LIGHT FIXTURE. SPLAY WIRES <br />AS SHOWN AND FASTEN TO STRUCTURE. <br />MIN. OF 3 WIRE TURNS EA CONNECTION <br />POINT. <br />12 GA FIXTURE SUPPORT WIRES <br />AT A MIN OF 2 CORNERS <br />LOCATED DIAGONALLY @ EA <br />FIXTURE. FIXTURE SUPPORT <br />WIRE SUPPLIED BY CEILING <br />CONTRACTOR. <br />MAIN STRUCTURAL <br />RUNNER 4'-0" O.C. <br />CROSS TEE <br />RECESSED FLUORESCENT <br />FIXTURE <br />THIS DETAIL APPLIES TO SEISMIC CATEGORIES <br />D/E/F. FOR CATEGORY C, SEE CHART ON THIS <br />SHEET. <br />AT UNATTACHED WALLS: <br />PROVIDE APPROVED SEISMIC CLIPS AT <br />EACH T-BAR PER DETAIL ON THIS SHEET. <br />STANDARD 7/8" PERIMETER MOLDING TO <br />BE PROVIDED. <br />UN <br />A <br />T <br />T <br />A <br />C <br />H <br />E <br />D <br /> <br />W <br />A <br />L <br />L <br />UNATTACHED WALL <br />ATTACHED WALL <br />ONLY WHEN EXPRESSLY APPROVED BY <br />THE ARCHITECT AS A DEDUCT ALTERNATE <br />SHALL 2" MOLDING BE PROVIDED IN LIEU <br />OF CLIPS. THIS ALTERNATE REQUIRES <br />SPREADER BARS AS INDICATED IN <br />DASHED LINES <br />AT ATTACHED WALLS: <br />PROVIDE APPROVED SEISMIC CLIPS AT <br />EACH T-BAR PER DETAIL ON THIS SHEET. <br />STANDARD 7/8" PERIMETER MOLDING TO <br />BE PROVIDED. <br />ONLY WHEN EXPRESSLY APPROVED BY <br />THE ARCHITECT AS A DEDUCT ALTERNATE <br />SHALL POP RIVETS BE USED <br />GRID END CLEARANCE AT UNATTACHED <br />WALLS TO MEET MIN. CODE RQTS. REFER <br />TO TABLE ON THIS SHEET. <br />PERIMETER HANGER WIRES AT CROSS <br />AND MAIN RUNNERS, AS REQUIRED BY <br />CODE. REFER TO TABLE ON THIS SHEET. <br />VERTICAL HANGER WIRES (12GA) @ 4' O.C. <br />MAX) <br />COMPRESSION EMT POST PER SCHEDULE <br />HANGER WIRE <br />BRACE WIRES, TYP <br />CROSS TEE <br />MAIN TEE <br />COMPRESSION STUD OR <br />CHANNEL & VERTICAL <br />SUPPORT PER SCHEDULE <br />BRACE WIRES, TYP <br />CROSS TEE <br />MAIN TEE <br />COMPRESSION STUD OR <br />CHANNEL & VERTICAL <br />SUPPORT PER SCHEDULE <br />CROSS TEE <br />MAIN TEE <br />ANGLED SPLAY STUDS <br />(SET AT SAME ANGLE <br />TO GRID AND 90 DEG TO <br />EACH OTHER) <br />OR LESS45 DEG <br />TYP <br />2" MAX, TYP <br />EMT CONDUIT SCHEDULE <br />3/4" DIA UP TO 4'-0" <br />1" DIA UP TO 5'-6" <br />1 1/4" DIA UP TO 7'-0" <br />METAL STUD SCHEDULE <br />(1) 3-5/8" (25GA)-UP TO 8'-0" <br />(2) 1-5/8" (25GA)-UP TO 10'-0" <br />INSTALL PER BELOW <br />(2) 2-1/2" (25GA)-UP TO 15'-0" <br />INSTALL PER BELOW <br />(2) 3-5/8" (25GA) -UP TO 20'-0" <br />INSTALLED AS FOLLOWS: <br />METAL CHANNEL SCHEDULE <br />250T125-33 (20GA) - UP TO 6'-0" <br />400S137-33 (20GA) - UP TO 8'-0" <br />TUBE STRUT OPTION <br />STUD/CHANNEL OPTION 1 <br />STUD/CHANNEL OPTION 2 <br />#8 SMS @ <br />12" O.C. <br />HANGER WIRE <br />8" MAX. <br />7/8" ANGLE TO <br />MATCH <br />T-BAR, TYP. <br />8" MAX. <br />7/8" <br />EXPANSION CLIP, <br />FIXED <br />TO PERIMETER ANGLE, <br />INSTALLED PER MNF <br />HANGER WIRE <br />8" MAX. <br />TYP. - ATTACH 7/8" ANGLE TO: <br />A) 18 GA. STUD W/1-1/4" <br />S-12 PAN HEAD SCREWS <br />B)18 GA. STUD W/1-1/4" HI-LO <br />MOD. OVAL HEAD <br />7/8" <br />8" MAX. <br />CODE REQ'D GAP <br />EXPANSION CLIP, ALLOWED <br />TO SLIP, INSTALLED PER <br />MNF <br />DETAIL AT FIXED CONDITION DETAIL AT SLIP CONDITION <br />CODE REQ'D GAP <br />REFER TO CHART ON THIS SHEET <br />NOTE: <br />REFER TO ICC <br />#ESR-1222 & 3336 <br />APPROVED SHOT-IN ANCHOR (HILTI <br />OR EQUAL). CLIP PER FIG 4A ABOVE. <br />SELF-TAPPING SCREWS ONLY <br />ALLOWED PRIOR TO CONC. POUR <br />STRUCTURAL CONCRETE FILL <br />CONC. SLAB (CISCA FIG 5-B/C/D) <br />WIRE 'PIGTAIL' W/ 2" DIA LOOP & 4" TAIL <br />(ONLY ACCEPTABLE W/ CONC. FILL) <br />APPROVED SHOT-IN ANCHOR (HILTI OR <br />EQUAL). CLIP PER FIG 4A ABOVE. <br />APPROVED "RED HEAD" EYE BOLT IS <br />ALSO ACCEPTABLE (LOAD TEST REQ'D) <br />1.5"x1.5"x13GAx3" ANGLE ATTACHED TO <br />DECK W/ APPROVED SHOT PINS (HILTI OR <br />EQUAL) <br />SLOT END OF TUBE. FASTEN TO <br />ANGLE W/ #10 x 2" S.M.S. <br />CUT METAL STUD FLANGES & BEND 90 <br />DEGREES. ATTACH TO STRUCTURE W/ <br />APPROVED SHOT-IN ANCHOR (HILTI OR <br />EQUAL). <br />2" <br />CHANNE <br />L STRUT <br />TUBE <br />STRUT <br />COMPRESSION STRUT ATTACHMENT <br />C <br />MAIN RUNNERS: 1-1/2" COLD ROLLED <br />CHANNEL. @ 48" O.C. MAX. PROVIDE 9GA <br />VERTICAL HANGER WIRES @ 36" MAX & 8" <br />MAX FROM PERIMETER WALLS, WITH <br />SADDLE TIE WRAPPED WITH 3 TIGHT <br />TURNS <br />BRACE WIRES/STRUTS: PROVIDE FOR <br />EACH 96 SF OF CEILING AREA. <br />BRACE WIRES MAY BE OMITTED FOR <br />CONTINUOUS LEVEL CEILING WITH <br />POSITIVE ATTACHMENT TO ALL <br />PERIMETER WALLS <br />96 SF <br />DRYWALL FURRING CHANNELS: 7/8" x 25 <br />GA @ 16" O.C. MAX. ATTACH GYP. BD. W/ 1" <br />HI-LO TYPE 'S' BUGLE HEAD SCREWS @ 12" <br />O.C. MAX (3-1/4" MIN EDGE DISTANCE) <br />ATTACH MAIN RUNNERS TO PERIMETER <br />WALLS W/ CONTINUOUS 1.5"x1.5"x16GA <br />ANGLE. ATTACH TO RUNNER WITH #8 x <br />1/2" S.M.S. <br />4" X 16 GA. STEEL STUD <br />COMPRESSION STRUT (MAX. LENGTH <br />5'-0") <br />ATTACH FURRING CHANNEL W/ SADDLE TIE <br />16 GA. WIRE & 2 TIGHT TURNS TYP. EA <br />RUNNER. <br />MAIN RUNNERS: 1-1/2" COLD ROLLED <br />CHANNEL. @ 48" O.C. MAX. PROVIDE <br />9GA VERTICAL HANGER WIRES @ 36" <br />MAX & 0-8" MAX FROM PERIMETER <br />WALLS & DISCONTINUITIES, WITH <br />SADDLE TIE WRAPPED WITH 3 TIGHT <br />TURNS. <br />NOTCH STRUT AT MAIN RUNNER. <br />SECURE W/ 1-1/4" DIA MACHINE BOLT <br />12 GA MIN. BRACE WIRES WHERE <br />REQUIRED. SPLAY IN FOUR <br />DIRECTIONS 90 DEG APART. CONNET <br />TO MAIN RUNNER AT 2" MAX FROM <br />CROSS RUNNER AND TO STRUCTURE <br />ABOVE AT 45 DEG MAX SLOPE. <br />BRACE POINTS TO BE AT 12'-0" <br />INTERVALS, & 4'-0" MAX FROM <br />PERIMETER WALLS. SADDLE TIE TO <br />MAIN RUNNER W/ 4 TIGHT TURNS IN 1 <br />1/2". MAINTAIN CLEARANCE AT ALL <br />CONSTRUCTION <br />5/8" TYPE 'X' GYP. BD. <br />ALIGN <br />STEEL STUD FRAMING TO <br />STRUCTURE ABOVE <br />SUSPENDED ACOUSTICAL <br />TILE CEILING <br />SUSPENDED 5/8" GWB <br />CEILING <br />6" <br />METAL FRAMING <br />SUSPENSION CEILING <br />SEE REFLECTED <br />CEILING PLAN <br />CASING BEAD <br />GYPSUM BOARD <br />0' - 6 3/64" <br />1/2" <br />1/2" <br />PER RCP <br />6" <br />SCALE:3" = 1'-0" <br />SUSPENDED ACOUSTICAL CEILING AXON02 <br />SCALE:3" = 1'-0" <br />CEILING - TYP LIGHT FIXTURE03 <br />SCALE:1/4" = 1'-0" <br />SUSPENDED ACOUSTICAL CEILING PLAN01 <br />SCALE:3" = 1'-0" <br />CEILING - TYP COMPRESSION STRUT04 <br />SCALE:3" = 1'-0" <br />CEILING - TYPICAL T-BAR GRID @ WALL05 <br />Design Standards <br />Ceiling systems (including fixtures, etc) <= 2.5 PSF <br />Ceiling systems (including fixtures, etc) > 2.5 PSF <br />Minimum intersection strength limits @ MT / CT (1) <br />Vertical hanger wire 12-gauge @ 4' o.c. <br />Connection device from vertical wire to the structure above must <br />sustain min 100 lbs <br />Main tee classifications (Minimum) <br />1 in 6 max plumb of vertical hanger wires <br />Perimeter vertical hanger wires (12-gauge) not more than 8" <br />from wall (or 1/4 length of tee, whichever is less) <br />Gap between main/cross runners and Unattached Walls <br />Perimeter closure (molding) width <br />Grid connection to perimeter attached on two adjacent walls <br />Perimeter tee ends tied together to prevent spreading <br />Horizontal restraint (splay wires or rigid bracing) within 2" of <br />intersection and splayed 90° apart at 45° angles <br />Compression posts (struts) 12' o.c. in both directions, starting 6' <br />from walls <br />Splay bracing connection strength 200 lbs or the design load, <br />whichever is greater <br />Partition attachment <br />Seismic separation joint or full height partition (2) <br />Rigid bracing for ceiling plane elevation changes <br />Expansion joint at intersections of corridors and at junctions of <br />corridors and lobbies or other similar areas <br />Special Inspections as required by ASCE 7-05 Sec 13.5.6.2.2 <br />(h) <br />Metal panels & panels weighing > 0.5 PSF other than acoustical <br />tiles shall be positively attached to the ceiling suspension <br />runners <br />ASTM E580 <br />CISCA 0-2 <br />CISCA 3-4 <br />60 lbs <br />Required <br />Not Required <br />Intermediate-duty <br />Required <br />Not Required <br />unless molding is <br />less than 7/8" <br />Min 3/8" <br />Min 7/8" (or <br />Perimeter Wires) <br />Not Permitted <br />Required <br />Required (4) <br />Not Required <br />Not Required <br />Allowed only if <br />ceiling is able to <br />move laterally <br />Not Required <br />Not Required <br />Not Required <br />Not Required (5) <br />Not Required <br />ASTM C635, <br />C636, & E580 <br />ASCE 7-13.5.6.2.1 <br />CISCA 3-4 <br />CISCA 3-4 <br />180 lbs <br />Required <br />Required <br />Heavy-duty <br />Required <br />Required <br />Min 3/4" <br />Min2" or Approved <br />Seismic Clips <br />Required <br />Required <br />Required (4) <br />Required <br />Required <br />Bracing <br />independent of <br />ceiling splay <br />bracing <br />Required for <br />areas > 2,500 sq. <br />ft. <br />Required <br />Required (3) <br />Not Required (5) <br />Required (3) <br />Category D,E,FCategory CBasic Connections, Perimeter, and Lateral Splay Bracing <br />BUILDING SEISMIC CATEGORY <br />Light fixture (all types) mechanically attached to grid NEC <br />410-16 (two per fixture unless independently supported) <br />Surface-mounted fixtures attached to grid with at least two <br />positive clamping devices made of min 14-gauge material each <br />with a 12-gauge suspension wire to structure above <br />Pendant-hung fixtures directly supported from structure with 9- <br />gauge wire (or approved alternative) <br />All Recessed or drop-in light fixtures <br /> ≤ 10 lbs – one wire to structure (may be slack) <br /> 11 to 56 lbs – two wires from housing to structure (may be <br />slack) <br /> ≥ 57 lbs – supported directly to structure by approved <br />Required <br />Not Required <br />Required <br />Required <br />Required <br />Required <br />Light Fixture Attachment <br />Required <br />Required (3) <br />Required <br />All directly <br />supported from <br />structure with two <br />12-gauge wire <br />located at diagonally <br />opposite corners.(3) <br />Intermediate Duty Main Tees with cross tee rating below 16 <br />lbs./LF: <br />Min. 12-gauge hanger wires must be attached to the grid <br />members within 3 inches of each corner of each light fixture. <br />Heavy Duty Main Tees with cross tee rating below 16 lbs./LF: <br />Min. 12-gauge hanger wires must be attached to the supporting <br />cross tee within 3 inches of the corner of each light fixture. <br />Supplementary hanger wires for Heavy Duty Main Tees with <br />cross tee rating equal to 16 lbs./LF <br />Light Fixture Supplementary Hanger Wires <br />Required <br />Required <br />Not Required <br />Air terminals <br />≤ 20 lbs – positively attached to grid <br />21 to 56 lbs – positively attached to grid and <br />two wires to structure (may be slack) <br />≥ 57 lbs – directly supported to structure <br />Sprinkler heads and other penetration clearance <br />Cable trays and electrical conduit independently supported and <br />braced <br />Service Applications <br />Required <br />Required <br />Required <br />Min 2" dia. opening <br />or a swing joint <br />Required <br />(1) Required for ceilings larger than 1,000 square feet. <br />(2) Where substantiating design calculations are not provided. <br />(3) Modification to ASTM E580 as required by CBC Sec 1616 <br />(4) Ceilings under 144 SF or ceilings constructed of plaster or gypsum boards and secured at all perimeter <br />walls <br />are exempt from lateral load reqts. (CISCA 3-4, pg1, Sec 2) <br />(5) CBC Sec 1613.1 excludes adoption of ASCE 7-05 Appendix 11A (which contains the special inspection <br />requirement). However, GC to verify with local jurisdiction whether special inspection will be required. <br />Required <br />Required <br />Required <br />Min 3/8" on all <br />sides <br />Not Required <br />1. SPLICES ARE NOT PERMITTED IN ANY HANGER OR SPLAY WIRES. WIRES TO BE TAUT <br />WITHOUT CAUSING THE CEILING TO <br />LIFT. <br /> . <br />2. FASTEN HANGER WIRES WITH NOT LESS THAN 3 TIGHT TURNS. FASTEN BRACING WIRES <br />WITH 4 TIGHT TURNS. MAKE ALL TIGHT TURNS WITHIN A DISTANCE OF 1-1/2". HANGER OR <br />BRACING WIRE ANCHORS TO THE STRUCTURE SHOULD BE INSTALLED IN SUCH A MANNER <br />THAT THE DIRECTION OF THE WIRE ALIGNS AS CLOSELY AS POSSIBLE WITH THE <br />DIRECTION OF THE FORCES ACTING ON THE WIRE. (NOTE: WIRE TURNS MADE BY <br />MACHINE WHERE BOTH STRANDS HAVE BEEN DEFORMED OR BENT IN WRAPPING CAN <br />WAIVE THE 1-1/2" REQUIREMENT, BUT THE NUMBER OF TURNS SHALL BE MAINTAINED AS <br />BEING AS TIGHT AS <br />POSSIBLE.) <br /> . <br />3. ANY CONNECTION DEVICE AT THE SUPPORTING CONSTRUCTION SHALL BE CAPABLE OF <br />CARRYING NOT LESS THAN 100 POUNDS. SUSPENSION WIRES SHALL NOT HANG MORE <br />THAN 1 IN 6 OUT OF PLUMB UNLESS COUNTERSLOPING WIRES ARE PROVIDED. WIRES <br />SHALL NOT ATTACH TO OR BEND AROUND INTERFERING MATIERAL OR EQUIPMENT. A <br />TRAPEZE OR EQUIVELANT DEVICE SHALL BE USED WHERE OBSTRUCTIONS PRECLUDE <br />DIRECT SUSPENSION. TRAPEZE SUSPENSIONS SHALL BE A MINIMUM OF BACK-TO-BACK <br />1-1/4 INCH COLD ROLLED CHANNELS FOR SPANS EXCEEDING 48 <br />INCHES. <br /> . <br />4. BRACING WIRES SHALL BE ATTACHED TO THE GRID AND TO THE STRUCTURE IN SUCH A <br />MANNER THAT THEY CAN SUPPORT A DESIGN LOAD OF NOT LESS THAN 200 POUNDS OR <br />THE ACTUAL DESIGN LOAD, WITH A SAFETY FACTOR 2, WHICHEVER IS <br />GREATER. <br /> . <br />5. SEPARATE ALL CEILING HANGING AND BRACING WIRES AT LEAST 6" FROM ALL UNBRACED <br />DUCTS, PIPES, CONDUITS, <br />ETC <br /> . <br />6. NON-BEARING PARTITIONS THAT EXTEND TO AND TERMINATE AT A SUSPENDED CEILING, <br />AND ARE SUPPORTED LATERALLY BY AN APPROVED BRACING SYSTEM MAY BE <br />CONSIDERED AS NOT ADDING TO THE LATERAL LOAD REQUIRED TO BE RESISTED BY THE <br />CEILING <br />SYSTEM. <br /> . <br />7. SPLICES OR INTERSECTIONS OF CROSS RUNNERS SHALL BE ATTACHED THROUGH <br />CONNECTORS SUCH AS POP RIVETS, SCREWS, PINS, PLATES WITH END TABS OR OTHER <br />APPROVED CONNECTORS. SUCH THROUGH CONNECTORS SHALL BE CAPABLE OF <br />TRANSFERRING A MEANS OF ULTIMATE TENSION / COMPRESSION FORCE OF 180 <br />POUNDS. <br /> . <br />8. LOCATE REGISTERS AND LIGHTING FIXTURES WITHIN GRID LINES. CENTER SPRINKLER <br />HEADS, SPEAKERS, RECESSED FIXTURES, AND SIMILAR CEILING ELEMENTS IN <br />ACOUSTICAL UNITS, UNLESS OTHERWISE <br />NOTED. <br /> . <br />9. FINISH HVAC DIFFUSERS, DRAPERY POCKETS, AND SPEAKER GRILLES TO MATCH <br />ADJACENT FINISH, UNLESS OTHERWISE <br />NOTED. <br /> . <br />10. SHEET METAL SCREWS (SMS) SHALL BE HILTI KWIK-PRO SELF DRILLING SCREWS PER ICC <br />ESR-2196 (OR <br />EQUAL). <br /> . <br />11. POWDER ACTUATED/DRIVEN FASTENERS SHALL BE HILTI X-U SHOTPINS PER ICC ESR-2269 <br />(OR <br />EQUAL). <br /> . <br />12. EXPANSION ANCHORS SHALL BE HILTI KB-TZ ANCHORS PER ICC ESR- 1917 (OR EQUAL). <br />SCALE:1" = 1'-0" <br />CEILING ATTACHMENT DETAILS09 <br />GENERAL CEILING NOTES <br />MINIMUM CODE REQUIREMENTS <br />SCALE:1/4" = 1'-0" <br />SUSPENDED GYP. BD. CEILING PLAN07 <br />SCALE:1" = 1'-0" <br />SUSPENDED GYP BD CEILING AXON06 <br />SCALE:3" = 1'-0" <br />CEILING - GYP BD TO ACT TRANSITION08 <br />SHEET NOTES <br />GENERAL NOTES <br />© Gensler <br />Date Description <br />Project Name <br />Project Number <br />Description <br />Scale <br />Seal / Signature <br />2022 <br />Tel 949.863.9434 <br />Fax 949-553-1676 <br />4675 MacArthur Court <br />Suite 100 <br />Newport Beach, CA <br />92600 <br />USA <br />As indicated <br />9/23/2024 2:53:57 PM <br />BIM 360://007.3757.000 - Caribou Industries - 3rd & Broadway/3RD-B_INTERIOR_WEST_R20.rvt <br />R2.I6.300 <br />SUSPENDED CEILING DETAILS <br />07.3897.000 <br />3rd & Broadway Interior <br />301 N. Broadway, Santa Ana, CA <br />06.13.2022 ISSUE FOR PLAN CHECK <br />A 08.10.2022 REISSUE FOR PLAN CHECK <br />C 06.17.2024 REVISION TO PERMIT <br />11/12/2024