|
4
<br />2'-0" X 4'-0"
<br />ACOUSTICAL TILE
<br />SEE SPECS. TYP.
<br />2X4 RECESSED FLUORESCENT LIGHT
<br />FIXTURES. SEE ELECTRICAL
<br />DRAWINGS
<br />LATERAL SUPPORT POINT
<br />SEE STRUCTURAL DRAWINGS
<br />WHERE FIXTURE ROW FALLS
<br />BETWEEN MAIN RUNNER, USE 4'-0"
<br />LG. MAIN AT 4'-0" O.C. AS CROSS
<br />TEE
<br />HVAC-AIR DIFFUSERS, WITH
<br />APPROVED CLIPS OR WIRES AS
<br />REQUIRED BY CITY STANDARDS
<br />TYP.
<br />2-SAFETY WIRES AT OPPOSITE
<br />DIAGONAL CORNERS EACH FIXTURE
<br />MIN. OR AS REQUIRED BY LOCAL
<br />AUTHORITIES AND SHALL PAINTED IN
<br />RED.
<br />12 GA. GALV. STEEL
<br />LAY-IN ACCOUSTICAL
<br />CEILING TILES
<br />DIFFUSER LENS
<br />LIGHT FIXTURE
<br />NO. 12 ON MAIN RUNNER WITHIN 3" OF 4
<br />CORNERS @ LIGHT FIXTURE.
<br />WIRE HANGER AT
<br />4'-0" O.C. EACH WAY
<br />4
<br />3
<br />1.12 GA. (MIN.) HANGER WIRES MAY BE USED FOR UP TO AND INCLUDING 4'-0" X
<br />4'-0" GRID SPACING ALONG MAIN RUNNERS SPLICES WILL NOT BE PERMITTED
<br />IN ANY HANGER WIRES UNLESS SPECIFICALLY APPROVED BY DSA/SSS.
<br />2.PROVIDE 12 GA. HANGER WIRES AT THE ENDS OF ALL MAIN AND CROSS
<br />RUNNERS WITHIN 8" FROM THE SUPPORT OR WITHIN 1/4 OF THE LENGTH OF
<br />THE END TEE, WHICHEVER IS AT LEAST FOR THE PERMIETER OF THE CEILING
<br />AREA.
<br />3.PROVIDE TRAPEZE OR OTHER SUPPLEMENTARY SUPPORT MEMBERS AT
<br />OBSTRUCTIONS TO MAIN HANGER SPACING. PROVIDE ADDITIONAL HANGERS,
<br />STRUTS OR BRACES AS REQUIRED AT ALL CEILING BREAKS, SOFFITS, OR
<br />DISCONTINUOUS AREAS. HANGER WIRES THAT ARE MORE THAN 1 IN 6 OUT
<br />OF PLUMB ARE TO HAVE COUNTER-SLOPING WIRES.
<br />4.CEILING GRID MEMBERS MAY BE ATTACHED TO NOT MORE THAN 2 ADJACENT
<br />WALLS. CEILING GRID MEMBERS SHOULD BE AT LEAST 1/2 INCH FREE OF
<br />OTHER WALLS. IF WALLS RUN DIAGONALLY TO CEILING GRID SYSTEM
<br />RUNNERS, ONE END OF MAIN AND CROSS RUNNER SHOULD BE FREE AND A
<br />MINIMUM OF 1/2 INCH CLEAR OF WALL.
<br />5.AT THE PERIMETER OF THE CEILING AREA WHERE MAIN OR CROSS RUNNERS
<br />ARE NOT CONNECTED TO THE ADJACENT WALL. PROVIDE INTERCONNECTION
<br />BETWEEN RUNNERS AT THE FREE END TO PREVENT LATERAL SPREADING. A
<br />METAL STRUT OR A 16 GA. WIRE WITH A POSITIVE MECHANICAL CONNECTION
<br />TO THE RUNNER MAY BE USED. WHERE THE PERPENDICULAR DISTANCE
<br />FROM THE WALL TO THE FIRST PARALLELE RUNNER IS 12" OR LESS. THIS
<br />INTERLOCK IS NOT REQUIRED.
<br />6.PROVIDE SETS OF FOUR 12 GA. SPLAYED BRACINS WIRES ORIENTED 90
<br />DEGREES FROM EACH OTHER AT NOT MORE THAN 12'-0" X 12'-0" ON CENTER.
<br />7.PROVIDE BRACING WIRES AT LOCATION NOT MORE THAN 6"0" FROM EACH
<br />PERIMETER WALL AND AT THE EDGE OF VERTICAL CEILING OFFSETS.
<br />8.NOTE: WIRE TURNS MADE BY MACHINE WHERE BOTH STRANDS HAVE BEEN
<br />DEFORMED OR BENT IN WRAPPING CAN WAIVE THE 1-1/2" REQUIREMENT.
<br />BUT IN THE NUMBER OF TURNS SHOULD BE MAINTAINED, AND BE AS TIGHT
<br />AS POSSIBLE.
<br />9.SEPARATE ALL CEILING HANGING AND BRACING WIRES AT LEAST 6 INCHES
<br />FROM ALL UNBRACED DUCTS, PIPES, CONDUIT, ETC. IT IS ACCEPTABLE TO
<br />ATTACH LIGHTWEIGHT ITEMS, SUCH AS SINGLE ELECTRICAL CONDUIT NOT
<br />EXCEEDING 3/4" NOMINAL. DIAMETER TO HANGER WIRES USING
<br />CONNECTORS ACCEPTABLE TO DSA/SSS.
<br />10.HVAC DUCTWORK, ELECTRICAL DISTRIBUTION, TELEPHONE SERVICES,
<br />COMPUTER CABLE DISTRIBUTION, AND OTHER SERVICES NORMALLY FOUND
<br />IN A CEILING SPACE SHALL BE INDEPENDENTLY SUPPORTED AND
<br />APPROPRIATELY BRACED TO ELIMINATE ANY LATERAL FORCE ON THE
<br />CEILING MEMBRANE OR BRACING ELEMENTS.
<br />11.WHEN DRILL-IN CONCRETE ANCHORS OR SHOT-IN ANCHORS ARE USED IN
<br />REINFORCING CONCREETE FOR HANGING WIRES, 1 OUT OF 10 MUST BE
<br />FIELD TESTED FOR 200 POUNDS OF TENSION. WHEN DRILLED-IN CONCRETE
<br />ANCHORS ARE USED FOR BRACING WIRES. 1 OUT OF 2 MUST BE FIELD
<br />TESTED FOR 440 LBS. OF TENSION. SHOT-IN ANCHORS IN CONCRETE ARE
<br />NOT PERMITTED FOR BRACING WIRES. IF ANY SHOT-IN OR DRILLED ANCHOR
<br />FAILS, ALL ADJACENT ANCHORS MUST BE TESTED. DRILLED-IN OR SHOT-IN
<br />ANCHOR MUST BE TESTED. DRILLED -IN OR SHOT-IN ANCHIRS REQURIE
<br />SPECIAL DSA/SSS APPROVAL WHEN USED IN PRESTRESSED CONCRETE.
<br />12.ATTACH ALL LIGHT FIXTURES TO THE CEILING GRID RUNNERS TO RESIST A
<br />HORIZONTAL FORCE EQUAL TO THE WEIGHT OF THE FIXTURES.
<br />13.ALL RECESSED LIGHTING FIXTURES HAVING A NOMINAL END DIMENSION OR
<br />24" OR GREATER SHALL BE POSITIVELEY ATTACHED TO THE CEILING GRID
<br />RUNNER(S) AT THE END OF THE FIXTURE WITH TWO #8 SELF TAPPING TEK
<br />SCREWS. EACH SCREW SHALL BE LOCATED WITHIN 3 OF THE SIDE OF THE
<br />FIXTURE AND ATTACHED THROUGH THE BULB OF THE CEILING GRID
<br />RUNNER(S). LIGHT FIXTURES HAVING LESS THAN A NOMINAL 24" END
<br />DIMENSION SHALL BE ATTACHED WITH ONE #8 SELF TAPPING TEK SCREW AT
<br />THE CENTER OF EACH END OF THE FIXTURE. ATTACHED TO THE BULB OF
<br />THE CEILING GRIS RUNNER(S). ALL ATTACHMENTS SHALL BE CAPABLE OF
<br />LATERALLY SUPPORTING THE WEIGHT OF THE FIXTURE. ALL FIXTURES
<br />REGARDLESS OF WEIGHT OR SIZE SHALL HAVE INTERLOCKING CEILING GRID
<br />RUNNER(S) ON ALL 4 SIDES OF THE FIXTURE.
<br />14.CEILING-MOUNTED AIR TERMINALS OR SERVICES SHALL BE POSITVELY
<br />ATTACHED TO THE CEILING SUSPENSION MAIN RUNNERS OR TO CROSS
<br />RUNNERS WITH THE SAME CARRYING CAPACITY AS THE MAIN RUNNER.
<br />ATTACHED TO THE FIXTURE OR TERMINAL AND TO THE STRUCTURE ABOVE
<br />AIR TERMINALS WITH A NOMINAL DIMENSION OF 24" OR LESS SHALL BE
<br />POSITIVELY ATTACHED TO THE CEILING GRID RUNNER(S) ON AT LEAST TWO
<br />OPPOSING SIDES WITH ONE #8 SELF TAPPING TEK SCREW ON EACH SIDE.
<br />EACH SCREW SHALL BE LOCATED IN THE CENTER OF HTE AIR TERMINAL AND
<br />SHALL BE ATACHED THROUGH THE BULB OF HTE CEILING GRID RUNNER(S).
<br />AIR TERMINALS IN EXCESS OF 24" IN LENGTH SHALL BE ATTACHED WITH TWO
<br />#8 SELF TAPPING TEK SCREWS ON EACH END OF DIFFUSER ATTACHED TO
<br />THE BULB OF THE CEILING DRID RUNNER(S). ALL ATTACHMENTS SHALL BE
<br />CAPABLE OF LATERALLY SUPPORTING THE WEIGHT OF THE AIR TERMINAL.
<br />ALL AIR TERMINALS REGARDLESS OF WEIGHT OR SIZE SHALL HAVE
<br />INTERLOCKING CEILING GRID RUNNER(S) ON ALL 4 SIDES OF THE AIR
<br />TERMINAL.
<br />15.FLUSH OR RECESSED LIGHT FIXTURES AND AIR TERMINALS OR SERVICES
<br />WEIGHING LESS THAN 56 LBS. MAY BE SUPPORTED DIRECTLY ON THE
<br />RUNNERS OF A HEAVY DUTY GRID SYSTEM BUT, IN ADDITION, THEY MUST
<br />HAVE A MINIMUM OF TWO 12 GA. SLACK SAFETY WIRES ATTACHED TO THE
<br />FIXTURE AT DIAGONAL CORNERS AND ANCHORED TO THE STRUCTURE
<br />ABOVE. ALL 4'-0" X 4'-0" LIGHT FIXTURES MUST HAVE SLACK SAFETY WIRES
<br />AT EACH CORNER. ALL FLUSH OR RECESSED LIGHT FIXTURES AND AIR
<br />TERMINALS OR SERVICES WEIGHING 56 LBS. OR MORE MUST BE
<br />INDEPENDANTLY SUPPORTED BY NOT LESS THAN 4 TAUT 12 GA. WIRES EACH
<br />ATTACHED TO THE FIXTURE AND TO THE STRUCTURE ABOVE REGARDLESS
<br />OF THE TYPE OF CEILING GRID SYSTEM USED. THE 4 TAUT 12 GA. WIRES
<br />INCLUDING THEIR ATTACHMENT TO THE STRUCTURE ABOVE MUST BE
<br />CAPABLE OF SUPPORTING 4 TIMES THE WEIGHT OF THE UNIT.
<br />16.ALL FIXTURES AND AIR TERMINALS OR SERVICES SUPPORTED ON
<br />INTERMEDIATE DUTY GRID SYSTEMS MUST BE INDEPENDENTLY SUPPORTED
<br />BY NOT LESS THAN 4 TAUT 12 GA. WIRE EACH.
<br />17.SUPPORT SURFACE MOUNTED LIGHT FIXTURES BY AT LEAST TWO POSITIVE
<br />DEVICES WHICH SURROUND THE CEILING RUNNER AND WHICH ARE EACH
<br />SUPPORTED FROM THE STRUCTURE ABOVE BY A 12 GA. WIRE. SPRING CLIPS
<br />OR CLAMPS THAT CONNECT ONLY TO THE RUNNER ARE NOT ACCEPTABLE.
<br />18.PROVIDE ADDITIONAL SUPPORTS WHEN LIGHT FIXTURES AE 8 FEET OR
<br />LONGER.
<br />19.SUPPORT PENDANT MOUNTED LIGHT FIXTURES DIRECTLY FROM THE
<br />STRUCTURE ABOVE WITH HANGER WIRES OR CABLES PASSING THROUGH
<br />EACH PENDANT HANGER AND CAPABLE OF SUPPORTING 4 TIMES THE
<br />WEIGHT OF THE FIXTURE. SPECIAL DETAILS ARE NECESSARY FOR THIS
<br />CONDITION AT THE CEILING GRID.
<br />20.CLASSIFICATION OF CEILING GRID IS HEAVY DUTY.
<br />21.SUSPENDED CEILING SHALL BE DESIGNED AND INSTALLED IN ACCORDANCE
<br />WITH ASTM C635, ASTM C636 AND SEC. 13.5.6.2. ASCE 7-05.
<br />
<br />22.ANCHORS FOR WALL ANGLES:
<br />A. AT METAL STUD WALL 1-1/8" TYPE "S" BUGLE HEAD
<br />DRYWALL SCREW AT 16" O.C.
<br />B. AT MASONRY WALL: 1/4" DIA. 1-1/2" LONG TAPCON
<br />ANCHORSCREW AT 16" O.C. ICBO No. 3370.
<br />23.CONTRACTOR SHALL COORDINATE THE WORK OF ALL TRADES INVOLVED IN
<br />THE CEILING WORK TO INSURE CLEARANCES FOR FIXTURES, DUCTS, PIPING
<br />CEILING SUSPENSION SYSTEMS, ETC., NECESSARY TO MAINTAIN THE
<br />FINISHED CEILING HEIGHTS INDICATED ON ARCHITECTURAL DRAWINGS.
<br />24.PERIMETER CEILING ANGLE, WHERE OCCURS, SHALL BE INSTALLED TIGHT
<br />TO PARTITION SURFACES, FREE FROM CURVES, BREAKS OR OTHER
<br />IRREGULARITIES.
<br />24.LIGHT FIXTURES, EXIT SIGNS AND OTHER CEILING ELEMENTS SHALL BE
<br />LOCATED IN CENTER OF INDIVIDUAL CEILING TILE U.O.N OR AS DIRECTED BY
<br />ARCHITECT.
<br />25.PROVIDE CEILING ACCESS AS REQUIRED FOR EQUIPMENT AND SYSTEM
<br />MAINTENANCE VERIFY MANUFACTURER RECOMMENDATIONS.
<br />26.ELECTRICAL CONTRACTOR TO PROVIDE ALL SWITCHES, DIMMERS, & PLATES,
<br />AS REQUIRED BY DESIGN, LOCATED 44" A.F.F. 6" FROM DOOR FRAME. U.O.N.
<br />MULTIPLE SWITCHES AT ONE LOCATION SHALL BE GANGED TOGETHER, AND
<br />FURNISHED WITH ONE COVER PLATE.
<br />27.THE REFLECTED CEILING PLAN INDICATES THE LOCATION OF CEILING TYPES,
<br />CEILING FIXTURES, LIGHT SWITCHES AND ASSOCIATED ITEMS. REFER TO
<br />ENGINEERING DRAWINGS (LIGHT PLAN) FOR CIRCUITING, WIRING LAY-OUT,
<br />AND ADDITIONAL INFORMATION.
<br />28.ALL SPECIFIC INFORMATION CONCERNING INSTALLATION OF VARIOUS
<br />ABOVE CEILING ELEMENTS ARE TO BE FOUND IN THE HVAC, PLUMBING, FIRE
<br />PROTECTION, ELECTRICAL AND LIGHTING DRAWINGS, BY THE CONTRACTED
<br />ENGINEERS.
<br />29.CONTRACTOR TO NOTIFY ARCHITECT OF ANY CONFLICT OF LIGHT FIXTURE
<br />LOCATIONS WITH MAIN RUNNERS, DUCTS, ETC.. PRIOR TO INSTALLATION.
<br />30.VERIFY FIELD CONDITIONS AND LOCATIONS OF ALL PLUMBING, MECHANICAL
<br />DUCTS, STRUCTURAL ELEMENTS AND ANY AND ALL OTHER APPLICABLE
<br />ITEMS. INSTALL NEW PLUMBING, MECHANICAL FANS, DUCTS, CONDUITS, AND
<br />OTHER RELATED ITEMS SO AS TO NOT CONFLICT WITH LIGHTS AND ANY
<br />UNIQUE FIELD CONDITIONS.
<br />31.FURNISH AND INSTALL UNDERWRITERS LABORATORY, INC. (UL) LABELED
<br />DEVICES THROUGHOUT.
<br />32.PROVIDE AND INSTALL EMERGENCY LIGHTING PER ADA/TITLE 24
<br />REQUIREMENTS.
<br />ASCE STANDARD 7-10 - SECTION 13.5.6 SUSPENDED CEILINGS
<br />33.A HEAVY DUTY T-BAR GRID SYSTEM SHALL BE USED - SEE ITEM NO. 20 THIS
<br />SHEET FOR ADDITIONAL INFORMATION.
<br />34.THE WIDTH OF THE PERIMETER SUPPORTING CLOSURE ANGLE SHALL BE
<br />NOT LESS THAN 2.0 INCHES. WHERE PERIMETER SUPPORTING CLIPS ARE
<br />USED, THEY SHALL BE QUALIFIED IN ACCORDANCE WITH APPROVED TEST
<br />CRITERIA. IN EACH ORTHOGONAL HORIZONTAL DIRECTION, ONE END OF THE
<br />CEILING GRID SHALL BE ATTACHED TO THE CLOSURE ANGLE OR CHANNEL.
<br />THE OTHER END IN EACH HORIZONTAL DIRECTION SHALL HAVE A 0.75 INCH
<br />CLEARANCE FROM THE WALL AND SHALL REST UPON AND BE FREE TO SLIDE
<br />ON A CLOSURE ANGLE OR CHANNEL.
<br />35.NOT USED
<br />36.FOR CEILING AREAS EXCEEDING 2,500 SF, A SEISMIC SEPARATION JOINT OR
<br />FULL HEIGHT PARTITION THAT BREAKS THE CEILING UP INTO AREAS NOT
<br />EXCEEDING 2,500 SF EACH WITH A RATIO OF THE LONG TO SHORT
<br />DIMENSION LESS THAN OR EQUAL TO 4, SHALL BE PROVIDED UNLESS
<br />STRUCTURAL ANALYSES ARE PERFORMED OF THE CEILING BRACING
<br />SYSTEM FOR THE PRESCRIBED SEISMIC FORCES THAT DEMONSTRATE
<br />CEILING SYSTEM PENETRATIONS AND CLOSURE ANGLES PROVIDE
<br />SUFFICIENT CLEARANCE TO ACCOMMODATE THE ANTICIPATED LATERAL
<br />DISPLACEMENT. EACH AREA SHALL BE PROVIDED WITH CLOSURE ANGLES
<br />OR CHANNELS IN ACCORDANCE WITH SECTION 13.5.6.2.2.a AND HORIZONTAL
<br />RESTRAINTS OR BRACING.
<br />37.EXCEPT WHERE RIGID BRACES ARE USED TO LIMIT LATERAL DEFLECTIONS,
<br />SPRINKLER HEADS AND OTHER PENETRATIONS SHALL HAVE A 2" OVERSIZE
<br />RING, SLEEVE OR ADAPTER THROUGH THE CEILING TILE TO ALLOW FREE
<br />MOVEMENT OF AT LEAST 1" IN ALL DIRECTIONS. ALTERNATIVELY, A SWING
<br />JOINT THAT CAN ACCOMODATE 1" OF CEILING MOVEMENT IN ALL
<br />HORIZONTAL DIRECTIONS IS PERMITTED TO BE PROVIDED AT THE TOP OF
<br />THE SPRINKLER HEAD EXTENSION.
<br />38.CHANGES IN CEILING PLAN ELEVATION SHALL BE PROVIDED WITH POSITIVE
<br />BRACING.
<br />39.CABLE TRAYS AND ELECTRICAL CONDUITS SHALL BE SUPPORTED
<br />INDEPENDENTLY OF THE CEILING.
<br />40.SUSPENDED CEILINGS SHALL BE SUBJECT TO THE SPECIAL INSPECTION
<br />REQUIREMENTS OF SECTION 11A.1.3.9 OF THIS STANDARD
<br />DROP-IN LIGHT FIXTURESUSPENDED ACOUSTICAL TILE AND T-BAR CEILING SYSTEM
<br />SUSPENDED CEILING NOTES
<br />USE USG - DONN BRAND SUSPENSION
<br />CEILING SYSTEMS HEAVY DUTY -
<br />ESR-1222
<br />3' MAX
<br />SCALE: NONE SCALE: NONE
<br />CEILING DETAIL
<br />SCALE: 3"=1'-0"1
<br />10
<br />°
<br />-
<br />4
<br />5
<br />°
<br />8" MAX.
<br />(TO THE WALL OR
<br />END OF THE RUNNER)
<br />6'-0" MAX.
<br />ACOUSTIC TILE
<br />CROSS RUNNER
<br />MAIN RUNNER
<br />WALL FINISH SURFACE
<br />INSTALL COMPRESSION STRUT @ 12'-0" EA.
<br />DIRECTION OR EVERY 144 S.F. OF CEILING AREA
<br />FIELD CUT PERIMETER CEILING
<br />TILES TO MATCH TEGULAR
<br />UNCUT EDGES (WHERE OCCURS)
<br />12 GA. WIRE HANGERS AT 4'-0" O.C. MAX. ALONG MAIN
<br />RUNNERS. WHEN WIRES ARE OUT-OF-PLUMB (1H:6V),
<br />PROVIDE COUNTER-SLOPING WIRES. STRUTS & WIRES
<br />SHALL BE AT THE SAME LOCATION AS ONE ASSEMBLY.
<br />LATERAL SUPPORT: 4 #12 WIRES SPLAYED IN FOUR DIRECTIONS 90° APART -
<br />CONNECTED TO RUNNERS & TO STRUCTURE ABOVE. PLACE LATERAL
<br />SUPPORTS @ 12'-0" O.C. IN EA. DIRECTION.
<br />NOTE:
<br />FOR ATTACHMENT TO
<br />STRUCTURE ABOVE, SEE
<br />STRUCTURAL DRAWINGS.
<br />NOTES:
<br />1.PROVIDE WALL ANGLE HORIZONTAL LEG. FIRST TILE SHALL MAINTAIN 3/4" CLEAR FROM FINISHED
<br />WALL SURFACE.
<br />2.SUSPENDED CEILING SYSTEM SHALL BE DESIGNED AND INSTALLED IN ACCORDANCE WITH ICC
<br />ESR #1308, ASTM C635, ASTM C636, AND ASTM E580 SECTION 5. (ASCE 7-16, SECTION 13.5.6.2.2)
<br />2.1.CROSS-RUNNERS SHALL HAVE A LOAD CAPACITY OF AT LEAST 16lbs. PER LINEAR FOOT
<br />(VERIFY EXACT CRITERIA PER SELECTED PRODUCT & MANUFACTURER).
<br />2.2.WHERE OBSTRUCTIONS PRECLUDE DIRECT SUSPENSION, A TRAPEZE OR EQUIVALENT
<br />DEVICE SHALL BE PROVIDED.
<br />3.PROVIDE SPECIAL INSPECTION AS REQUIRED BY ICC ESR APPROVAL REPORT.
<br />4.LIGHTING FIXTURES AND AIR DIFFUSERS REQUIREMENTS:
<br />4.1.LIGHT FIXTURES WEIGHING LESS THAN 10 POUNDS SHALL HAVE ONE 12 GAUGE HANGER
<br />WIRE CONNECTED FROM THE FIXTURE TO THE STRUCTURE ABOVE AND SHALL BE ATTACHED
<br />TO THE CEILING GRID WITH AT LEAST 2 FASTENERS (WHICH SHALL HAVE A MINIMUM FORCE
<br />CAPACITY OF 100% OF THE WEIGHT OF THE FIXTURE ACTING IN ANY DIRECTION).
<br />4.2.LIGHT FIXTURES WEIGHING MORE THAN 10 POUNDS, BUT LESS THAN 56 POUNDS, SHALL HAVE
<br />THREE 12 GAUGE WIRES ATTACHED AT THE CORNERS OF THE LIGHT FIXTURE TO THE
<br />STRUCTURE ABOVE. THESE WIRES MAY BE SLACK.
<br />4.3.LIGHT FIXTURES WEIGHING MORE THAN 56 POUNDS, SHALL BE SUPPORTED DIRECTLY FROM
<br />THE STRUCTURE ABOVE, WITH APPROVED HANGERS.
<br />4.4.TANDEM FIXTURES MAY UTILIZE COMMON WIRES.
<br />4.5.AIR TERMINALS WEIGHING LESS THAN 20 POUNDS SHALL BE ATTACHED TO THE CEILING GRID
<br />(MAIN OR CROSS RUNNERS AND BOTH SHALL HAVE THE SAME CARRYING CAPACITY).
<br />4.6.AIR TERMINALS WEIGHING MORE THAN 10 POUNDS, BUT LESS THAN 56 POUNDS, SHALL HAVE
<br />TWO 12 GAUGE WIRES ATTACHED TO THE TERMINAL AND TO THE STRUCTURE ABOVE. THESE
<br />WIRES MAY BE SLACK.
<br />4.7.AIR TERMINALS WEIGHING MORE THAN 56 POUNDS, SHALL BE SUPPORTED DIRECTLY FROM
<br />THE STRUCTURE ABOVE, WITH APPROVED HANGERS.
<br />CONCEALED SPRINKLER HEAD
<br />(WHERE OCCURS) PAINTED TO
<br />MATCH ADJACENT CEILING.
<br />TYP. FIRE SPRINKLER HEAD LAYOUT
<br />SCALE: NOT TO SCALE
<br />NOTE:
<br />SPRINKLER HEADS AND OTHER
<br />PENETRATIONS SHALL HAVE 2" OVERSIZE
<br />RING, SLEEVE OR ADAPTOR THROUGH THE
<br />CEILING TO ALLOW FOR FREE MOVEMENT OF
<br />AT LEAST 1" IN ALL HORIZONTAL DIRECTIONS.
<br />2"
<br />MAX.
<br />2"
<br />MAX.
<br />WALL
<br />ANGLE
<br />MOLDING
<br />ATTACHED/TIGHT WALL
<br />UNATTACHED / CLEARANCE WALL
<br />8" MAX.
<br />8" MAX.
<br />MAIN BEAM OR
<br />CROSS TEE
<br />WALL
<br />WALL
<br />SEISMIC CLIP
<br />WALL ANGLE
<br />MOLDING
<br />TIGHT SCREW
<br />MAIN BEAM OR
<br />CROSS TEE
<br />SEISMIC CEILING DETAIL
<br />SCALE: 3"=1'-0"2
<br />7/8"
<br />7/8"
<br />3/4"
<br />NOTES:
<br />1.PER ICC ESR #1308, 7/8" WALL
<br />ANGLE MOLDING IS ALLOWED
<br />(USE BERC-2 CLIP OR EQUAL).
<br />2.WALL ANGLE MOLDING SHALL
<br />BE SECURED TO ALL WALLS
<br />WITH SELF-PIERCING SHEET
<br />METAL SCREWS.
<br />3.THE CEILING GRID SHALL BE
<br />ATTACHED TO THE WALL
<br />ANGLE ON 2 ADJACENT SIDES
<br />AND SHALL BE FREE TO MOVE
<br />3/4" ON THE OTHER SIDES .
<br />SUSPENDED CEILING
<br />DETAILS
<br />A803
<br />CLIENT:
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