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RESTRAINED PERIMETER <br /> 8" MAX rn <br /> T <br /> 0 <br /> 0 <br /> 4' Tw <br /> 6' max. TYPICAL MIN SPACING Q <br /> 0 <br /> 49500.00 ACOUSTICAL TREATMENT <br /> 4' <br /> 09541.04 MATERIALS J/ J/ <br /> 1 bi <br /> Q z <br /> z <br /> .01 Acoustic tiles: See room finish schedule on drawings. 6' MAX – 12' 6' MAX o5 <br /> .02 Suspension grid system: Compatible with tiles chosen. manufactured by Chicago LU <br /> Metallic Co., or equal. <br /> RESTRAINED PERIMETER m <br /> 09502.00 WORKMANSHIP 41 ON 2 ADJACENT SIDES o <br /> Y <br /> U <br /> W <br /> .01 Install as per recommendations of the "Acoustical and Insulating Materials 41 <br /> Association", manufacturer's recommendations and with ASTM C-636. 12, <br /> .02 Hangers: 12 gauge galvanize steel, spaced not to exceed T-0" CIC. 1 <br /> .03 Carrying channels: Minimum 1-1/2" cold rolled section, .475 lbs./lin. ft., spaced a <br /> 4-0" C./C. v <br /> .04 Size of the individual members in the grid system: As per manufacturer's <br /> recommendations based on weight allowance for the acoustical tiles specified. 0° w <br /> .05 Exposed grid systems: 15115" wide exposed "tee" flanges series MLR-fire rated Q <br /> suspension system. Grid spacing shall suit the tile sizes. Exposed parts to be o <br /> baked enamel of the scheduled color. o <br /> .06 Make provisions on one end for thermal expansion. Z <br /> .07 Wall angle moldings furnished at all intersections of ceiling with other surfaces. 6' max. <br /> .08 Coordinate grid installation with light fixtures and ventilating registers. <br /> .09 Furnish and install all mechanical accessories for the suspension system to be <br /> used for acoustical ceilings. Set all frames for recessed light fixtures occurring in W <br /> the ceiling and coordinate the placement and correct installation of all lights with X 12-GAUGE HANGER WIRE <br /> PLAN VIEW <br /> the electrical contractor and of all registers and grilles with the ventilating �® <br /> contractor. LATERAL BRACING LOCATION 12 GA DIAGONAL SPLAYED EA WAY <br /> fixtures.10 All surface or pendant light and those recessed light fixtures the weight of � W/COMPRESSION <br /> which, if supported from the ceiling suspension would exceed the allowable <br /> deflection if 11360 of the span,or 20 lbs. of weight, whichever is smaller, must be STRUT STABILIZER BAR <br /> z <br /> supported independently. The manufacturer must furnish and certify deflection SUSPENDED CEILING SYSTEM MUST COMPLY WITH <br /> data on his suspension system. ASCE 7-05 SECTION 13.5.6.2.2 HEAVY DUTYw LO <br /> O <br /> .11 Furnish and install acoustical tile on grid system (see Section 47201). Leave on SUSPENDED CEILING SYSTEM IS REQUIRED <br /> the jab, one (1) unopened carton of each kind of acoustical tile used on the project � <br /> for replacement of units which may be damaged later. SUSPENDED CEILING V) 6' <br /> N.T.S.. <br /> .12 After installation, clean and touch-up where scratched or scuffed with paint z 0 Q Ln <br /> supplied by manufacturer. � - U of <br /> .13 Replace with new material any components which cannot be satisfactorily � Q w LO <br /> corrected. z 0 <br /> Q U) w <br /> 12 GA. VERTICAL HANGER @ 4'-0" OC. w w Ld O <br /> MUST SUSTAIN MIN 100 LBS @LC) Ld _ <br /> CD N J <br /> 12 GA. HORIZONTAL SEISMIC <br /> RESTRAINTS SPAYED 90° FROM EACH • <br /> OTHER @ 12' OC. BOTH WAYS TO <br /> WITHIN 6-0" OF WALLS. SPLAY <br /> CONNECTION STRENGTH TO BE MIN 200 <br /> LBS <br /> LATERAL BRACING: EMT COMPRESSION rn <br /> STRUT NOT TO EXCEED 1:6 OUT OF LO <br /> 0) <br /> rn <br /> PLUMB: SEE SCHEDULE. PROVIDE Q CD <br /> TIGHT FIT AT BTM. AND W/IN 1/2"AT TOP ULo <br /> CROSS RUNNERco <br /> ---------------- 12 GA. SPLAYED WIRE BRACING O ' r"l � D <br /> LO <br /> PERPENDICULAR TO EACH RUNNER 8 U Q <br /> INCHES MAX. FROM EACH END OR �I 1 O q o LL <br /> BREAK TO PREVENT SPREADING. r� bq =o <br /> wo <br /> MAIN RUNNER • c~,7 <br /> LO <br /> pLO <br /> NOTES: <br /> 1. ALL HANGERS AND SUPPORTS TO BE _j c)CO <br /> ATTACHED WITH 4 TURNS IN 1/2"typ. UO J <br /> z� <br /> 22. SUPPORT EACH LIGHT FIXTURE AND Jo <br /> MECH FIXTURES AS PER DETAIL 3/A5 0 <br /> 3. ALL MAIN AND CROSS TEES, THEIR <br /> SPLICES AND INTERSECTING <br /> CONNECTIONS SHALL BE ADEQUATE <br /> TO RESIST 72 LBS IN TENSION <br /> COMPRESSION STRUT SCHEDULE <br /> ER <br /> LENGTH DIAMETER <br /> UP TO 4'-0" 3/4" DIA. �Q o No <br /> 5'-0" 1" DIA � CO M � a <br /> 8'-0" 1-1/2" DIA w <br /> w � <br /> w <br /> xa o' V <br /> COMPRESSION STRUT N.T.S. 2 <br /> 8" <br /> • <br /> MAY BE SLACK FACE OF WALL OR COLUMN <br /> 12 GA. VERT. HANGER WIRES <br /> WITH (3)TURNS Q Z <br /> w <br /> J <br /> 2"x2" CONTINUOUS ANGLE <br /> WITH SLOTS AT RUNNER <br /> LIGHTING FIXTURE o Q <br /> ANCHOR TO STUD OR BACKING <br /> SEISMIC CLIP PLATE AT FIXED END o J <br /> N W Q <br /> � N <br /> W li w <br /> 0] <br /> / CLOSURE ANGLE- IN EACH w G <br /> HORIZONTAL ORTHONGONAL � C' 0 <br /> DIRECTION ONE END OF THE Cf) Z z <br /> CEILING GRID SHALL BE <br /> LAY-IN ACOUSTICAL o J <br /> CEILING PANEL, SEE ATTACHED TO THE CLOSURE THE 0 oW <br /> N <br /> REFLECTED CEILING OTHER END IN EACH HORIZONTAL <w rn 0 <br /> PLAN DIRECTION SHALL HAVE .75" T o �U E; a LU <br /> CLEARANCE FROM WALL AND 0 4 <br /> #8 x 1/4" SHEET SHALL REST UPON AND BE FREE 0 o �/ � oz Z <br /> MAIN RUNNER <br /> TEE METAL SCREW U 0 N W 0 LJJ <br /> TO SLIDE ON THE CLOSURE ANGLE o 00 a <br /> U) <br /> OfQ O W N <br /> a_o O <br /> LIGHT FIXTURE ATTACHMENTN.T.S. 3 –3 CEILING AT WALL „ - V_0" 4 A - 4 . 2 <br />