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2" MAX. 2" MAX. MAIN RUNNER CROSS RUNNERPROVIDE VERTICAL STRUT OF CONTINUOUS LENGTH OF CEILING GRID MATERIAL OR OTHER APPROVED LIGHT METAL FRAMING MATERIAL ATTACHED TO MAIN RUNNER AND TO STRUCTURE ABOVE TO COUNTERACT UPLIFTING FORCES OFSPLAYED WIRES.SPLAY WIRES -12 G.A. @ 12'-0" O.C. IN PLANE OF EACH RUNNER. TIE BOTH ENDS W/ MIN. 3 TURNS IN 1" OF RUN TYPICAL. ALL CEILING MOUNTED LIGHT FIXTURES SHALL BE ATTACHED TO SUSPENDED CEILING GRID, INADDITION 12 GA. HANGER WIRES SHALL BE ATTACHED TO THE GRID WITHIN 3" OF EACH CORNER OF THEFIXTURE. TWO ADDITIONAL WIRES SHALL BE CONNECTED TO THE LIGHT HOUSING AND TO THESTRUCTURE ABOVE (THESE WIRES MAY BE SLACK). WIRES SHALL NOT ATTACH TO OR BEND AROUND INTERFERING MATERIAL OR EQUIPMENT, NOR SHALLTHEY BE CLOSER THAN 5" FROM ANY UN-BRACED HORIZONTAL PIPING OR DUCTWORK. A TRAPEZE ORSIMILAR DEVICE SHALL BE USED WHERE OBSTRUCTIONS OCCUR. VERTICAL WIRES 12 GA. @ 4'-0" O.C. 45 MAX. 45 MAX.45 MAX. 45 MAX. FASTEN WIRES TO BOTTOM OF TRUST CORD WITH HILTI EYE LAG CEILING HANGER -1/4" EL WS. OR APPROVED EQUAL. 12'-0" TYP.12'-0" TYP.6'-0" M AX.CROSS RUNNERSMAIN RUNNERS VERTICAL WIRES -12 GA. 1 A7.4 WALL ANGLE8" MAX. CEILING AREAS OF 144 SQ. FT. OR LESS SURROUNDED BYWALLS WHICH CONNECT DIRECTLY TO THE STRUCTURE ABOVESHALL NOT REQUIRE THE DIAGONAL BRACING WIRES.EACH VERTICAL WIRE SHALL BE ATTACHED EACH END WITH MIN.3 TURNS.CEILING GRID SHALL BE INSTALLED LEVEL TO WITHIN1/8" IN 12'.ALL WIRE LOOPS SHALL BE TIGHTLY WRAPPED AND SHARPLY BENT.FOR CEILING AREAS EXCEEDING 1,000 S.F. HORIZONTALRESTRAINT OF THE CEILING TO THE STRUCTURE SHALL BEPROVIDED. CEILING GRID SHALL BE INSTALLED LEVEL TO WITHIN1/8" IN 12'.LOCAL KINKS OR BENDS SHALL NOT BE MADE IN HANGERWIRES AS A MEANS OF LEVELING MAIN RUNNERS.ALL WIRE LOOPS SHALL BE TIGHTLY WRAPPED AND SHARPLY BENT.A HEAVY DUTY T-BAR SYSTEM SHALL BE USED.THE WIDTH OF THE PERIMETER SUPPORTING CLOSURE ANGLESHALL NOT BE LESS THAN 2 INCHES. IN EACH ORTHOGONALHORIZONTAL DIRECTION, ONE END OF THE CEILING GRID SHALLBE ATTACHED TO THE CLOSURE ANGLE. THE OTHER END INEACH HORIZONTAL DIRECTION SHALL HAVE A 0.75 INCHCLEARANCE FROM THE WALL AND SHALL REST UPON AND BEFREE TO SLIDE ON THE CLOSURE ANGLE. CABLE TRAYS AND ELECTRICAL CONDUITS SHALL BEINDEPENDENTLY SUPPORTED AND BRACED INDEPENDENTLYOF THE CEILING.SUSPENDED CEILING SHALL BE SUBJECT TO THE SPECIALINSPECTION REQUIREMENTS OF SECTION 1704.SUSPENDED CEILING SHALL BE SUBJECT TO THE SPECIALINSPECTION REQUIREMENTS OF SECTION 1704.CEILING AREAS OF 1000 SQ. FT. OR LESS SURROUNDED BYWALLS WHICH CONNECT DIRECTLY TO THE STRUCTURE ABOVESHALL NOT REQUIRE THE DIAGONAL BRACING WIRES.EACH VERTICAL WIRE SHALL BE ATTACHED EACH END WITH MIN.3 TURNS. LINE OF EXISTING STRUCTURE OPTION B: ATTACH METAL RUNNER TO UNDERSIDE OF STRUCTURE & STOP GYP. BOARD AT 4" FROM HIGHEST CEILING ALL BRACES SHALL BE 3-5/8" X 20 GA. WITH (2) #8 STS AT EACH END OF EACH BRACE-TYP. OPTION-A: STOP WALL AT 4" FROM HIGHEST CEILING AND CROSS BRACE RUNNER OF WALL TO STRUCTURE EVERY 4'-0" O.C. LINE OF FINISH CEILING AS OCCURS. STUDWALL AS OCCURS. OF SHEETS SLW 9/11/2020 20-117 DRAWN AS SHOWN SCALE DATE CHECKED JOB NO. SHEET REVISIONS BY TJBPROJECT :CLIENT :LOCATION :CRUMBLS COOKIES2624 W KETTLEMAN LN, 150LODI, CA 95242JOHN GAUTHIERLODI, CA3/8" = 1'-0"A7.4 1 SEISMIC BRACING DETAIL 1/8" = 1'-0"A7.4 2 SUSPENDED CEILING BRACING 1 1/2" = 1'-0"A7.4 3 WALL BRACING DETAIL A7.4