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NOTE:2. FOR ROOMS WITH SPAN IN EITHER DIRECTION LESS THAN 25 FEET, MAIN RUNNERS ANDCROSS RUNNERS MAY BE ATTACHED TO THE PERIMETER OF TWO ADJACENT WALLS WITH3/8" CLEARANCE BETWEEN THE RUNNERS AND THE OTHER TWO WALLS. WHERE SPAN OFTHE CEILING SYSTEM BETWEEN PERIMETER WALLS EXCEED 25 FEET IN BOTH DIRECTIONS,A MINIMUM WALL ANGLE SIZE OF AT LEAST 2" HORIZONTAL LEG SHALL BE USED ATPERIMETER WALLS AND INTERIOR FULL HEIGHT PARTITION. THE FIRST TILE SHALL BE 3/4"CLEAR FROM WALL SURFACE.1.BRACING WIRES SECURED TO MAIN RUNNERS WITHIN 2" OF THE CROSSRUNNERINTERSECTION AND SPLAYED 90 DEG. FROM EACH OTHER AT AN ANGLE NOT EXCEEDING 45DEG. FROM THE PLANE OF THE CEILING.3.WHEN THE DISTANCE BETWEEN THE STRUCTURAL DECK AND THE CEILING EXCEEDS 4 FEET,THE SPACING OF THE VERTICAL HANGERS SHALL NOT EXCEED 2 FEET O.C. ALONG THEENTIRE LENGTH OF THE MEANS OF EGRESS SERVICING AN OCCUPANT LOAD OF 30 ORMORE, AND AT LOBBIES ACCESSORY TO GROUP A OCCUPANCIES.REFLECTED CEILING PLANACCOUSTICALTILE CEILING ONSUSPENDEDGRID SYSTEMNO. 12 GA MINIMUM VERTICALHANGER WIRE, SEE NOTE #3.SECTION THRU ROOM8" MAX.8" MAX.12'-0" O.C.12'-0" O.C.3/8" MIN.CLR. CROSSOR MAIN RUNNER90°90°COMPRESSION STRUT AT 12'-0" O.C.EACH WAY WITH FIRST POINT TO BEWITHIN 6'-0" FROM EACH WALLMECHANICALLY FASTENED TO MAINRUNNER WITHIN 2" OF CROSSRUNNER.12 GA. VERTICAL HANGER WIREAT 4'-0" EACH WAY WITH MIN.3 TIGHT TURNS IN 1-1/2" AT BOTHENDS OF WIRE (TYPICAL).12 GA. BRACING WIRE WITHMIN. 4 TIGHT TURNS IN 1-1/2"AT BOTH ENDS OF WIRE (TYP.)AT EACH VERTICAL STRUT.CROSS RUNNERSMAIN RUNNERSMAX.(TYP.)45°MAX.(TYP.)2"45°4. LIGHTING FIXTURES AND AIR DIFFUSERS SHALL BE SUPPORTED BY A MINIMUM OF (2) TWOHANGERS AT OPPOSITE CORNERS. CEILING SYSTEM SHALL NOT SUPPORT OTHER ITEMS.COMPRESSION PIPE STRUTSIZE PER SCHEDULE (BASED ON L/R<200)SIZE:MAX. HEIGHT:3'-0"4'-0"6'-0"7'-0"8'-6"11'-6"14'-6"17'-3"23'-3"1/2" X 22 GA.3/4" X 22 GA.1" X 20 GA.1 1/4" X 20 GA.1 1/2" X 20 GA.2" X 20 GA.2 1/2" X 18 GA.3" X 16 GA.3 1/2" X 16 GA.SEENOTESFINISHCEILING HT.6'-0"MAX.6'-0"MAX.1.VERTICAL WIRE HANGERS:#12 GA. WIRE - 4'-0" O.C.#10 GA. WIRE - 5'-0" O.C.EACH VERTICAL WIRE WILL BE ATTACHED TO THE STRUCTURE ABOVE AND TO THESUSPENSION MEMBER WITH A MINIMUM OF (3) TURNS IN THE FIRST 3 INCHES. WIRESMORE THAN 1 IN 6 OUT-OF-PLUMB ARE NOT ALLOWED UNLESS COUNTER SLOPING WIRESARE PROVIDED.OBSTRUCTIONS TO DIRECT SUSPENSION:(1) A TRAPEZE OR EQUIVALENT DEVICE SHALL BEUSED. (2) FOR TRAPEZE SPANS OVER 48" - USE BACK-TO-BACK 13" COLD-ROLLEDCHANNELS (OR EQUIVALENT) MINIMUM.3/8" AT TWO ADJACENTWALLS OR 3/4" AT ALLFOUR WALLS,SEE NOTE #2.3/8" AT TWOADJACENT WALLS OR3/4" AT ALL FOURWALLS, SEE NOTE #2.LIGHT FIXTURES TO BESUPPORTED FROM STRUCTUREABOVE BY MIN OF TWO WIRES @OPPOSITE CORNER, RE: DETAILHEREIN.45°6.A. MAIN RUNNERS: SUPPORTED INDEPENDENTLY A MAXIMUM OF 8" FROM EACH WALL WITH#12 GAGE WIRE OR APPROVED WALL SUPPORT.B. CROSS RUNNERS: SUPPORTED INDEPENDENTLY A MAXIMUM OF 8" FROM EACH WALLWITH #12 GAGE WIRE OR APPROVED WALL SUPPORT.C. THE WIDTH OF THE PERIMETER SUPPORTING CLOSURE ANGLE SHALL NOT BE LESSTHAN 2”. ONE END OF THE CEILING GRID (IN EACH ORTHOGONAL HORIZONTALDIRECTION) SHALL BE ATTACHED TO THE CLOSURE ANGLE. THE OTHER END (IN EACHHORIZONTAL DIRECTION) SHALL HAVE A 0.75” CLEARANCE FROM THE WALL AND SHALLREST UPON, AND BE FREE TO SLIDE ON, A CLOSURE ANGLE.7. SEISMIC - (WHERE CALCULATIONS AND ALTERNATE ENGINEERED DESIGNDETAILS ARE NOT PROVIDED)A. HORIZONTAL RESTRAINTS:1. WIRESA. FOUR #12 GAGE WIRES SPLAYED 90 DEGREES FROM EACH OTHERON THE MAIN RUNNER, WITHIN 2" OF THE CROSS RUNNER.B. THE ANGLE OF THE WIRES SHALL NOT EXCEED 45 DEGREES FROMTHE PLANE OF THE CEILING.2. SPACINGA. 12'-0" ON CENTER IN BOTH DIRECTIONS.B. THE FIRST POINT STARTS WITHIN 6'-0" FROM EACH WALL.B. VERTICAL RESTRAINTS: A STRUT TO RESIST VERTICAL DISPLACEMENT IS REQUIRED AT EACH SEISMICSPLAY. THE STRUT SHOULD EXTENT FROM THE GRID TO THE STRUCTUREABOVE AND BE FASTENED AT BOTH ENDS. EXCEPTION: LATERAL FORCE BRACING IS NOT REQUIRED IF A CEILING AREAOF 144 SQUARE FEET OR LESS IS SURROUNDED BY WALLS WHICH CONNECTDIRECTLY TO THE STRUCTURE ABOVE.C. SEISMIC SEPARATION JOINT: EACH CEILING AREA EXCEEDING 2,500 SQ. FT. SHALL BE PROVIDED WITH A SEISMIC SEPARATION JOINT THAT ALLOWS ± 3/4" AXIAL MOVEMENT.NOTE:-SEISMIC DESIGN CATEGORY "D"-HEAVY DUTY SUSPENSION CEILING SYSTEM TO BE INSTALLED IN ACCORDANCEWITH ASTM C635, ASTM C636, ASTM E580, ASCE 7-16 AND MANUFACTURERSPECIFICATIONS.2. MATERIALS2.01 CEILING WIRE SHALL BE CLASS 1 ZINC COATED (GALVANIZED) CARBON STEEL CONFORMINGTO ASTM A641-09a. WIRE SHALL BE #12 GAGE (0.106" DIAMETER) WITH SOFT TEMPER AND MINIMUM TENSILE STRENGTH = 70 KSI.2.02 GALVANIZED SHEET STEEL (INCLUDING THAT USED FOR METAL STUD AND TRACK COMPRESSION STRUTS/POST) SHALL CONFORM TO ASTM A653-11, OR OTHER EQUIVALENT SHEET STEEL LISTED IN SECTION A2.1 OF THE NORTH AMERICAN SPECIFICATION OF THE DESIGN OF COLD-FORMED STEEL STRUCTURAL MEMBERS 2007, INCLUDING SUPPLEMENT 2 DATED 2010 (AISI S100-07/S2-10). MATERIAL 43 MIL (18 GAGE) AND LIGHTER SHALL HAVE A MINIMUM YIELD STRENGTH OF 33 KSI. MATERIAL 54 MIL (16 GAGE) AND HEAVIER SHALL HAVE A MINIMUM YIELD STRENGTH OF 50 KSI.2.03 ELECTRICAL METALLIC TUBE (EMT) SHALL BE ANSI C80.3/UL 797 CARBON STEEL WITH G90 GALVANIZING. EMT SHALL HAVE A MINIMUM YIELD STRENGTH (FY) OF 30 KSI AND MINIMUM ULTIMATE STRENGTH (FU) OF 48 KSI.3. ATTACHMENT OF HANGER AND BRACING WIRE3.01 SEPARATE ALL CEILING HANGERS AND BRACING WIRES AT LEAST SIX (6) INCHES FROM ALLUNBRACED DUCTS, PIPES, CONDUITS, ETC. 3.02 HANGER AND BRACING WIRES SHALL NOT ATTACH TO OR BEN AROUND OBSTRUCTIONS INCLUDING BUT NOT LIMITED TO: PIPING, DUCTWORK, CONDUIT AND EQUIPMENT. 3.03 HANGER WIRES THAT ARE MORE THAN ONE (HORIZONTAL) IN SIX (VERTICAL) OUT OF PLUMB SHALL HAVE COUNTER-SLOPING WIRES.3.04 SLACK SAFETY WIRES SHALL BE CONSIDERED HANGER WIRES FOR INSTALLATION AND TESTING REQUIREMENTS. 3.05 HANGER AND BRACING WIRE ANCHORAGE TO THE STRUCTURE SHALL BE INSTALLED IN SUCH A MANNER THAT THE DIRECTION OF THE ANCHORAGE ALIGNS CLOSELY WITH THE DIRECTION OF THE WIRE. (E.G. BRACING WIRE CEILING CLIPS MUST BE BENT AS SHOWN IN DETAILS AND ROTATED AS REQUIRED TO ALIGNCLOSELY WITH THE DIRECTION OF THE WIRE, ETC.)4. FASTENERS AND WELDING4.01SHEET METAL SCREWS SHALL COMPLY WITH ASTM C1513-10, ASME B18.6.4-89 (R2005). PENETRATION OF SCREWS THROUGH JOINED MATERIAL SHALL NOT BE LESS THAN THREE EXPOSED THREAD.5. LIGHT FIXTURES5.01 ALL LIGHT FIXTURES SHALL BE POSITIVELY ATTACHED TO THE CEILING SUSPENSION SYSTEMSBY MECHANICAL MEANS TO RESIST A HORIZONTAL FORCE EQUAL TO THE WEIGHT OF THE FIXTURE. A MINIMUM OF TWO SCREWS OR APPROVED FASTENERS ARE REQUIRED AT EACHLIGHT FIXTURES, PER ASTM E580, SECTION 5.3.1.5.02 SURFACE-MOUNTED LIGHT FIXTURES SHALL BE ATTACHED TO THE MAIN RUNNER WITH AT LEAST TWO POSITIVE CLAMPING DEVICES. THE CLAMPING DEVICES SHALL COMPLETELY SURROUND THE SUPPORTING CEILING RUNNER AND BE MADE OF STEEL WITH A MINIMUM THICKNESS OF #14 GAGE. ROTATIONAL SPRING CATCHES DO NOT COMPLY. A #12 GAGE SLACKSAFETY WIRE SHALL BE CONNECTED FROM EACH CLAMPING DEVICE TO THE STRUCTURE ABOVE. PROVIDE ADDITIONAL SUPPORTS WHEN LIGHT FIXTURES ARE EIGHT (8) FEET OR LONGER OR EXCEED 56 LB. MAXIMUM SPACING BETWEEN SUPPORTS SHALL NOT EXCEED EIGHT (8) FEET.5.03 LIGHT FIXTURES WEIGHING LESS THAN OR EQUAL TO 10 LB. SHALL HAVE A MINIMUM OF ONE (1)#12 GAGE SLACK SAFETY WIRE CONNECTED FROM THE FIXTURE HOUSING TO THE STRUCTUREABOVE.5.04 LIGHT FIXTURES WEIGHING GREATER THAN 10 LB. BUT LESS THAN OR EQUAL TO 56 LBS. MAYBE SUPPORTED DIRECTLY ON THE CEILING RUNNERS, BUT THEY SHALL HAVE A MINIMUM OFTWO (2) #12 GAGE SLACK SAFETY WIRES CONNECTED FROM THE FIXTURE HOUSING AT DIAGONAL CORNERS TO THE STRUCTURE ABOVE. EXCEPTION: ALL LIGHT FIXTURES GREATERTHAT TWO BY FOUR FEET WEIGHING LASS THAN 56 LBS SHALL HAVE A #12 GAGE SLACK SAFETY WIRE AT EACH CORNER. 5.05 ALL LIGHT FIXTURES WEIGHING GREATER THAN 56 LB.SHALL BE INDEPENDENTLY SUPPORTED BY NOT LESS THAN FOUR (4) TAUT #12 GAGE HANGERWIRES (ONE AT EACH CORNER) ATTACHED FROM THE FIXTURE HOUSING TO THE STRUCTUREABOVE OR OTHER APPROVED HANGERS. THE FOUR (4) TAUT #12 GAGE WIRES OR OTHER APPROVED HANGERS, INCLUDING THEIR ATTACHMENT TO THE STRUCTURE ABOVE, SHALL BECAPABLE OF SUPPORTING FOUR (4) TIMES THE WEIGHT OF THE FIXTURE.6. SERVICES WITHIN THE CEILING:6.01 ALL FLEXIBLE SPRINKLER HOSE FITTING MOUNTING BRACKETS, CEILING-MOUNTED AIR TERMINALS OR OTHER SERVICES SHALL BE POSITIVELY ATTACHED TO THE CEILINGSUSPENSION SYSTEMS BY MECHANICAL MEANS. SCREWS OR APPROVED FASTENERS ARE REQUIRED. A MINIMUM OF TWO ATTACHMENTS ARE REQUIRED AT EACH COMPONENT.6.02 CEILING-MOUNTED AIR TERMINALS OR OTHER SERVICES WEIGHING LESS THAN OR EQUAL TO 20LB SHALL HAVE ONE (1) #12 GAGE SLACK SAFETY WIRE ATTACHED FROM THE TERMINAL ORSERVICE TO THE STRUCTURE ABOVE6.03 FLEXIBLE SPRINKLER HOSE FITTINGS, CEILING MOUNTED AIR TERMINALS OR OTHER SERVICESWEIGHING MORE THAN 20 LB. BUT LESS THAN OR EQUAL TO 56 LB. SHALL HAVE TWO (2) #12 GAGE SLACK SAFETY WIRE (AT DIAGONAL CORNERS) CONNECTED FROM THE TERMINAL ORSERVICE TO THE STRUCTURE ABOVE.6.04 FIRE SPRINKLER HOSE FITTINGS, CEILING-MOUNTED AIR TERMINALS OR OTHER SERVICES WEIGHING MORE THAN 56 LB. SHALL BE SUPPORTED DIRECTLY FROM THE STRUCTURE ABOVEBY NOT LESS THAN FOUR (4) TAUT #12 GAGE HANGER WIRES ATTACHED FROM THE TERMINALOR SERVICE TO THE STRUCTURE ABOVE OR OTHER APPROVED HANGERS.7. OTHER DEVICES WITHIN THE CEILING:7.01 ALL LIGHTWEIGHT MISCELLANEOUS DEVICES, SUCH AS STROBE LIGHTS, OCCUPANCY SENSORS,SPEAKERS, EXIT SIGNS, ETC., SHALL BE ATTACHED TO THE CEILING GRID. IN ADDITION, DEVICESWEIGHING MORE THAN 10 LBS. SHALL HAVE A #12 GAGE SLACK SAFETY WIRE ANCHORED TOTHE STRUCTURE ABOVE. DEVICES WEIGHING MORE THAN 20 LB. SHALL BE SUPPORTED INDEPENDENTLY FROM STRUCTURE ABOVE.1. CEILING SYSTEM GENERAL NOTES1.01 CEILING SYSTEM COMPONENTS SHALL COMPLY WITH ASTM C635-07 AND SECTION 5.1 OF ASTM E580-10A.1.02 THE CEILING GRID SYSTEM MUST BE RATED HEAVY DUTY AS DEFINED BY ASTM C635-08.1.03 CEILING SYSTEMS. THE FOLLOWING SYSTEM(S) IS/ARE PART OF THE SCOPE OF THIS PROJECT:MANUFACTURER NAME:PRODUCT EVALUATION REPORT TYPE AND NUMBER:MANUFACTURER'S MODEL NUMBER - MAIN RUNNERMANUFACTURER'S MODEL NUMBER - CROSS RUNNER1.04 SEISMIC WALL CLIP: MANUFACTURER'S MODEL1.05 CEILING PANELS SHALL NOT SUPPORT ANY LIGHT FIXTURES, AIR TERMINALS OR DEVICES.1.06 FOR CEILING INSTALLATIONS UTILIZING ACOUSTICAL TILE PANELS OF MINERAL OR GLASS FIBER, IT IS NOT MANDATORY TO PROVIDE 3/4-INCH CLEARANCE BETWEEN THE ACOUSTICALTILE PANELS AND THE WALLS ON THE SIDES OF THE CEILING WHICH ARE FREE TO SLIP. FORALL OTHER CEILING PANEL TYPES, PROVIDE 3/4-INCH CLEARANCE BETWEEN THE CEILING PANEL AND THE WALL ON THE SIDES OF THE CEILING FREE TO SLIP.8.EXCEPT WHERE RIGID BRACES ARE USED TO LIMIT LATERAL DEFLECTIONS, SPRINKLERHEADS AND OTHER PENETRATONS, SHOW A 2-INCH OVERSIZE RING, SLEEVE, ORADAPTER THROUGH THE CEILING TILE TO ALLOW FOR FREE MOVEMENT OF AT LEAST1-INCH IN ALL HORIZONTAL DIRECTIONS. ALTERNATIVELY, A SWING JOINT THAT CANACCOMMODATE 1-INCH OF CEILING MOVEMENT IN ALL HORIZONTAL DIRECTIONS ISPERMITTED TO BE PROVIDED AT THE TOP OF THE SPRINKLER HEAD EXTENSION. (ASCE7-10, Sec 13.5.6.2.2)NOTE: GC TO PROVIDE ELECTRICAL & 3/4" CONDUITFROM CAMERA/MONITOR TO OFFICE. INSTALLATIONOF MONITOR SUPPORT BY G.C.INSETBOTTOM CHORDOF BAR JOISTUNISTRUTROOF TRUSSESPROVIDE P3300 UNISTRUT OREQUAL LENGTH AS REQUIREDTO SPAN JOISTS SECURE TOBOTTOM CHORD OF BAR JOIST.LOCATE 1' OFF EXTERIOR WALL.J-BOX FOR SECURITYCAMERA & MONITORDATA CABLES.MOUNTING BRACKETBY OTHERSSECURITY MONITOR IN STORESUSPENDED FROM UNISTRUTLOCATION TO BE DETERMINEDBY CONSTRUCTION MANAGER.NOTE:GC TO PROVIDE 3/4" CONDUIT FROMCAMERA TO OFFICE. INSTALLATIONOF CAMERA SUPPORT BY G.C.INSETCAMERA IN STORE MOUNTEDTO UNISTRUT. CENTERCAMERA ABOVE DOORCAMERA IN STOREMOUNTED TOCEILING TEE.BOTTOM CHORDOF BAR JOISTUNISTRUTROOF TRUSSESPROVIDE P3300 UNISTRUT OR EQUALLENGTH AS REQUIRED TO SPAN JOISTS SECURE TO BOTTOM CHORDOF BAR JOIST. LOCATE 1' OFFEXTERIOR WALL.4"X4" J-BOXFOR CAMERA.CEILING TEESCAMERA IN STOREMOUNTED TOCEILING TEE.3883 Ruffin Road Suite B
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<br />ALLPNSIA7.1CEILING DETAILS
<br />AS NOTEDSCALE:4TYPICAL SUSPENDED CEILING VERTICAL & LATERAL SUPPORTNTSSCALE:1SEC. MONITOR MOUNTING1-1/2" = 1'-0"SCALE:2SEC. CAMERA MOUNTINGN.T.S.SCALE:3SEC. CAMERA MOUNTINGN.T.S.
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