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MIN. 12 G, <br />of <br />45' J, 45' <br />COMPRESSION STRUT <br />LOCATION <br />STRUT SCHEDULE <br />ALLOWABLE LENGTH <br />TO 5'-0" <br />TO 8'-0" <br />To 10' -0" ------- <br />TO 15'-0" <br /># 12 GA. LATERAL SUPPORT WIRE <br />WITHIN 3" OF EACH CORNER OF <br />UGHT FIXTURE. SPLAY WiRES <br />AS SHOWN AND FASTEN TO FACE <br />OF ROOF PURUN OR BEAM WITH <br />16d RING SHANK NAIL. MIN. OF <br />3 WIRE TURNS EACH CONNECTION <br />POINT. WIRE SUPPORTS BY <br />ACOUSTICAL CEILING CONTRACTOR. <br />TYP. #8 SCREWS <br />OPPOSITE EA. OTHER <br />MAIN RUNNER <br />CROSS TEE3-- <br />12'-0" MAX. TYP. <br />BOTH DIRECTION <br />COMPRESSION STRUT <br />12'-0" MAX EA. DIRECTION <br />CTURE <br />12 GA. MIN <br />SPLAYED WIRE <br />SUSPENDED CEILING <br />4'-0" AT <br />PERIMETER <br />MAIN RUNNER 04'-0" O.C. DONN. <br />PROD. HEAVY DUTY #RXC-5 OR <br />APPROVED EQUAL <br />CROSS RUNNER CD4' -0" O.C. DONN. <br />PROD. HEAVY DUTY #RXM6-12 OR <br />APPROVED EQUAL <br />STRUT SIZE <br />1/2" DIA. EMT STD. WT. PIPE <br />3/4" DIA. EMT STD. WT. PIPE <br />1" DIA. EMT STD. WT PIPE <br />OR 2Vx25 GA METAL STUD <br />(2)-2,2"x25 GA METAL STUD <br />STICHED W/ #6 TEC SMS ® 16° OC <br />FIXTURES WT. 20# OR MORE. <br />CONNECT 2 #12 GA. FIXTURE <br />SUPPORT WIRE AT DIAGONAL <br />CORNERS OF EACH FIXTURE. <br />THREE PULL WRAPS MINIMUM <br />FIXTURE SUPPORT WIRE SUPPLIES <br />AND HUNG BY T -BAR CONTRACTOR. <br />MAX. FIXTURE WT. 55# <br />MAIN RUNNER <br />RECESSED FLUORSCENT <br />FIXTURE <br />CROSS TEES <br />FLUOR. LIGHT FIXTURE MOUNTING r, <br />NO SCALE `J <br />(VERTICAL WiRES <br />NOT SHOWN, TYP, <br />T -BAR CEILING <br />LATERAL BRACING <br />NO SCALE <br />8" MAX 4'-0" O.C.E.W. 8"MAX <br />7 <br />rT <br />{I12 WIRE HANGER <br />LAIN RUNN <br />(TYP.) <br />PERIMETER CLOSURE ANGLE <br />2" MIN HOR. FLANGE WIDTH <br />SPLAYED WIRE CONN. <br />FOR 200# TYP. <br />6' MAX. FROM WALLS <br />& 12'0,C- E.W <br />4 - SPLAYED 12 GA, <br />WIRES, 90 DEG. FROM <br />EA. OTHER & 45 DEC), <br />FROM CEILING PLANE <br />IS <br />A' -n" Tn <br />�o <br />n <br />- #10 x 1-1/2" <br />WOOD SCREW <br />- STEEL STRAP 1" WIDE X <br />2" LONG X 12 GA. MIN. <br />\ �'4 <br />12 GA. HANGER WIRE <br />0 4'-0" O.C. ALONG <br />MAIN RUNNER <br />SPLAYED SEISMIC <br />BRACING WIRE. <br />SPLAYED SEISMIC BRACING <br />A WIRE ATTACHMENT <br />3 <br />I <br />I <br />I <br />I <br />1 I <br />VERTICAL HANGER <br />B WIRE ATTACHMENT <br />#10 x 1 -1/2 - <br />WOOD SCREW <br />CEILING CLIP "HILTI" <br />OR EQUAL 13 GA. <br />X 3/4" WIDE. <br />12 GA. HANGER WIRE <br />0 4'-0" O.C. ALONG <br />MAIN RUNNER. <br />MIN 4 TIGHT TURNS <br />ACOUSTIC CEILING TYPICAL LAYOUT i <br />a� <br />NO SCALE <br />►y <br />LA} <br />`` CROSS TIE DETAIL <br />8" MAX <br />+10' <br />6 <br />1 <br />80 MAX <br />3/4" MIN <br />�. 2" _MIN <br />SPREADER BAR <br />FACE TO PERIMETER WALL <br />D UNATTACHED END DETAIL <br />;ER <br />MAIN RUNNER <br />CROSS TEE <br />8" MAX <br />+10' <br />6 <br />1 <br />I E3 11' o O o I <br />POP RIVET <br />FACE TO PERIMETER WALL <br />E ATTACHED END DETAIL <br />(Z ADJACENT WALLS) <br />T -BAR CEILING CONNECTION DETAILS <br />NO SCALE <br />SUSPENDED CEILING SYSTEM NOTES <br />1. SUSPENDED ACOUSTICAL CEILINGS SHALL BE INSTALLED IN ACCORDANCE <br />WITH ASTM C 635, C 636, AND CISCA GUIDELINES FOR SEISMIC <br />RESTRAINT FOR DIRECT—HUNG SUSPENDED CEILING ASSEMBLIES AS <br />MODIFIED BY ASCE 7-05 SEC 13.5.6.22. <br />2. T—BAR GRID SYSTEM SHALL BE "HEAVY—DUTY" CEILING SYSTEM AS <br />DEFINED BY ASTM C 635 (ASCE 7-05 SEC 13.5.6.22A) THE MINIMUM <br />MAIN T—BAR CROSS T—BAR CONNECTION STRENGTH SHALL BE 180 LBS <br />(CISCA GUIDELINES FOR SEISMIC RESTRAINT) <br />3. SUSPENDED CEILING SUPPORT: THE PERIMETER SUPPORTING ANGLE <br />SHALL BE 2" WIDE MIN. IN EACH ORTHOGONAL DIRECTION, ONE END OF <br />THE CEILING GRID SHALL BE ATTACHED TO THE CLOSURE ANGLE, AND <br />THE OTHER END SHALL REST ON THE SUPPORTING ANGLE WITH 3/4" <br />CLEARANCE TO THE WALL AND BE FREE TO SLIDE. PERIMETER CLOSURE <br />ANGLE ENDS AND ENDS OF MAIN CROSS BAR SHALL BE TIED TOGETHER. <br />4. MAIN AND CROSS RUNNERS SHALL BE SUPPORTED FROM STRUCTURE <br />ABOVE BY A MIN 12 GA VERTICAL WIRE, STARTING AT 8" MAX FROM <br />WALLS AND EVERY 4'-0" EACH WAY. VERTICAL SUPPORT WIRES SHALL <br />BE PLUMB WITHIN 1:6 OR REPLACED WITH 2 COUNTERSLOPING WIRES AT <br />45 DEG. MIN TO HORIZ. <br />5. FOR CEILINGS OVER 1,000 S.F. PROVIDE HORIZ RESTRAINT OF THE <br />CEILING TO THE STRUCTURE WITH COMPRESSION STRUT AND SPLAYED <br />WIRES. (DETAIL 4/—) <br />6. FOR CEILINGS OVER 2,500 S.F. PROVIDE SEISMIC SEPARATION JOINT. <br />7. CHANGE IN CEILING HEIGHT SHALL BE PROVIDED WITH POSITIVE BRACING. <br />8. EXCEPT WHERE RIGID BRACING ARE USED TO LIMIT LAETERAL MOVEMENT, <br />ALL FIRE SPRINKLER HEAD SHALL HAVE A 2" OVERSIZE RING, SLEEVE OR <br />ADAPTER THROUGH THE CEILING TO ALLOW FOR AT LEAST 1" MOVEMENT <br />IN ALL DIRECTION. <br />VSAC DESIGN <br />PO Box 163686 <br />Sacramento, CA 95816 <br />Tel.: 916.752.2022 <br />Fax:916.313.OT29 <br />The use of these drawings and <br />specifications shall be restricted to <br />the specific site for which they were <br />prepared and publication thereof <br />shall be expressly limited to such <br />use. Re—use, reproduction or <br />publication by any method in whole <br />or part is prohibited. Title to these <br />plans and specifications shall remain <br />with VSAC Design without prejudice, <br />and visual contact with them shall <br />constitute prima facie evidence of <br />acceptance of these restrictions. <br />© VSAC Design <br />REVISIONS By <br />0 <br />2" MIN O <br />Q co Z <br />Q <br />ad co of <br />W>- 0 <br />Civ <br />J - <br />2 W = <br />W <br />Q M O <br />CO Cc ULI <br />CD <br />�- 0 <br />a <br />Drawing <br />SUSPENDED <br />CEILING DETAILS <br />"QRpfESS/0, ••. <br />;...N.,D....A". <br />9� <br />m <br />* : NO. C 60696 <br />9TH • . .. .. ,\�0�� ,r <br />OF <br />CAI <br />No. <br />Drawn HDV c <br />Date 12-4-17 � <br />Scale � <br />Pro <br />Sheet <br />A-2 <br />Sheet No. <br />of <br />Total Sheets <br />