DIVISION 13 - SPECIAL CONSTRUCTION
SECTION 13080 - ACOUSTICAL PANEL ENCLOSURE
1 GENERAL
1.01 SUMMARY
A.
ACOUSTIC ENCLOSURE CONSISTING OF WALLS, CEILING, STRUCTURAL FRAMING, CONNECTING
MEMBERS,
DOORS, WINDOWS, MISCELLANEOUS MATERIALS AND ALL FASTENERS NECESSARY TO
CONSTRUCT THE TEST CELLS. THE TEST CELLS ARE TO BE FIELD ASSEMBLED FROM 4"
THICK PRE-MANUFACTURED
COMPONENTS. ENCLOSURE TO BE DESIGNED TO MEET THE
PERFORMANCE CRITERIA SPECIFIED HEREIN
AS A COMPLETE ASSEMBLY.
B.
PROVIDE LABOR, MATERIAL, TOOLS, EQUIPMENT, SCAFFOLDING, TRANSPORTATION,
INSPECTION, CERTIFICATES, AND TEMPORARY PROTECTION NECESSARY TO:
1. PROVIDE ACOUSTICAL ENCLOSURES AS SHOWN ON DRAWINGS AND AS SPECIFIED IN THESE
SPECIFICATIONS. PROVIDE ACCESSORIES AND APPURTENANCES REQUIRED FOR COMPLETE
WORKING
INSTALLATION.
2. CONNECTORS AND FLASHING SHALL MAKE HOLES IN WALLS ACOUSTICALLY TIGHT IN
ACCORDANCE WITH PANEL MANUFACTURER'S INSTRUCTIONS
C.
STRUCTURAL STEEL SUPPORT FRAME AS REQUIRED.
D.
ALL ELECTRICAL BY OTHERS, REFER TO DRAWINGS.
E.
ALL DUCTWORK BETWEEN HOST BUILDING AND TEST CELLS FOR AIR INTAKE AND AIR
EXHAUST BY
OTHERS, REFER TO DRAWINGS.
1.02
A.
QUALITY ASSURANCE:
REGULATORY REQUIREMENTS:
1. ACOUSTICAL PERFORMANCE: MINIMUM NRC (NOISE REDUCTION COEFFICIENT) RATING OF 1.0
MINIMUM STC (SOUND TRANSMISSION CLASS) OF 42 AFTER PANEL FABRICATION.
B.
REFERENCE STANDARDS:
1. ASTM E90-99 OR ASTM E90-02 AND E413-87 STANDARD TEST METHOD FOR LABORATORY
MEASUREMENT OF AIRBORNE SOUND TRANSMISSION LOSS OF BUILDING PARTITIONS.
2. ASTM C423-90A AND ASTM E795-00, SOUND ABSORPTION AND SOUND ABSORPTION
COEFFICIENTS BY THE REVERBERATION ROOM METHOD.
1.03 SUBMITTALS:
A.
PRODUCT DATA: MANUFACTURER'S PRODUCT SPECIFICATIONS.
B.
SHOP DRAWINGS: COMPLETE DRAWINGS SHOWING COMPONENTS INCLUDING MECHANICAL AND
ELECTRICAL REQUIREMENTS.
C.
CERTIFICATE OF COMPLIANCE: CERTIFY COMPLETED ASSEMBLY MEETS REQUIREMENTS
SPECIFIED HEREIN.
D.
STAMPED (P.E.) CALCULATIONS FOR ALL STRUCTURAL AND PANEL COMPONENTS.
1.04
DELIVERY, STORAGE AND HANDLING
A.
DELIVER PRODUCTS IN SUFFICIENT QUANTITY AND TIME TO MAINTAIN APPROVED
CONSTRUCTION SCHEDULE.
B.
MATERIALS SHALL BE IN ORIGINAL CONTAINERS WITH SEALS UNBROKEN AND LABELS INTACT
UNTIL TIME OF USE. WRAPPED OR BUNDLED MATERIALS SHALL BEAR NAME OF
MANUFACTURER AND PRODUCT. DAMAGED OR OTHERWISE UNSUITABLE MATERIAL, WHEN SO
ASCERTAINED, SHALL BE REMOVED FROM PROJECT SITE.
C.
STORE PRODUCTS IN SECURE, DRY LOCATION, OUT OF WAY OF CONSTRUCTION OPERATIONS.
STORE PRODUCTS OFF GROUND AND PROTECT FROM ELEMENTS. WETTING OF ELEMENTS NOT
PERMITTED.
D.
PREVENT DAMAGE TO MATERIALS, TO OTHER STORED PRODUCTS, TO EXISTING
CONSTRUCTION, AND PROJECT WORK.
1.05
WARRANTY
A.
FINISH WARRANTY: FURNISH PANEL MANUFACTURER'S WRITTEN WARRANTY COVERING
FAILURE OF THE FACTORY-APPLIED FINISH ON METAL PANELS WITHIN THE WARRANTY
PERIOD. THIS WARRANTY SHALL BE IN ADDITION TO AND NOT A LIMITATION OF OTHER
RIGHTS THE OWNER MAY HAVE AGAINST THE CONTRACTOR UNDER THE CONTRACT DOCUMENTS.
B.
WARRANTY PERIOD:
1.06
A.
2 YEARS
EXPERIENCE
TEST CELL SUPPLIER MUST PROVIDE A LIST OF TEN (10) SIMILAR SUCCESSFUL
INSTALLATIONS OF MODULAR TEST CELLS.
2 PRODUCTS
2.01
A.
2.02
ACOUSTICAL METAL PANELS
ALL PANELS AND THEIR COMPONENTS SHALL BE PRE-FABRICATED, SECTIONAL, ALL-METAL
CLAD, MODULAR AND DESIGNED FOR EASY AND ACCURATE FIELD ASSEMBLY. THE PANELS
AND COMPONENTS SHALL NOT BE SUSCEPTIBLE TO DAMAGE DUE TO EXTENDED EXPOSURE TO
VIBRATION, AIR TEMPERATURE OR HUMIDITY WITH THE PASSAGE OF TIME.
PANEL CONSTRUCTION
A.
EXCEPT AS SHOWN ON DRAWINGS OR AT LOCATIONS DESCRIBED BELOW, USE 4” THICK
ACOUSTICAL PANELS. EXTERIOR SURFACES ARE SOLID SHEET 16-GA. GALVANNEAL STEEL.
INTERIOR SURFACES ARE 22 GA. PERFORATED GALVANNEAL STEEL.
B.
SOUND-RETARDING AND ABSORBING FILL MATERIAL SHALL BE NONCOMBUSTIBLE, INERT,
MILDEW-RESISTANT AND VERMIN PROOF.
C.
THE PANEL SHELLS, FRAMING MEMBERS AND INTERNAL REINFORCEMENTS SHALL BE WELDED
AND/OR RIVETED TOGETHER TO FORM A METAL-SHEATHED PANEL OF SUFFICIENT STRENGTH
FOR MAXIMUM OPERATING LOADS.
D.
PRIOR TO ATTACHING FACE SHEET, PANEL SHALL BE DAMPENED AND FILLED WITH SOUNDRETARDING AND ABSORBING ELEMENTS. FILL SHALL BE SLIGHTLY LARGER AND THICKER
THAN INSIDE DIMENSIONS OF PANEL. NO VOIDS WILL BE TOLERATED
E.
THE OUTER GALVANIZED STEEL SHELL THICKNESS SHALL BE 16-GA. MINIMUM AND THE
INNER GALVANIZED STEEL SHELL SHALL BE 22-GA. MINIMUM THICK.
F.
WEEP HOLES TO PERMIT WATER RUNOFF SHALL BE PROVIDED ON ALL HORIZONTAL SURFACES.
G.
SPOT WELDS SHALL BE NO MORE THAN 4 IN. APART.
2.03
DOOR PANELS
A.
DOOR LEAF SHALL BE 4 IN. THICK FABRICATED FROM 16 GAUGE STEEL AND FILLED WITH
SOUND ABSORBING AND DAMPING ELEMENTS WITH A CLEAR OPENING OF (REFER TO
DRAWINGS). DOORS SHALL HAVE A RATING OF STC 42 MINIMUM.
B.
FRAME SHALL BE FABRICATED FROM MINIMUM 11 GAUGE STEEL.
C.
ASSEMBLY AND ADJUSTMENT OF DOOR ASSEMBLY INCLUDING DOOR LEAF, FRAME, ACOUSTIC
SEALS AND HINGES SHALL TAKE PLACE AT THE FACTORY AND THE ENTIRE UNIT SHALL SHIP
TO THE JOBSITE READY FOR INSTALLATION AND OPERATION. ALL DOORS SHALL BE TESTED
FOR PROPER OPERATION IN THE FACTORY PRIOR TO SHIPMENT.
D.
ACOUSTIC SEALS: SIDES AND HEAD OF DOOR AND FRAME SHALL RECEIVE TWO (2) SETS OF
SELF-ALIGNING COMPRESSION SEALS. DOOR TO BE HELD IN PLACE BY FORCE OF
PERIMETER SEALS. ACOUSTIC LABYRINTH SHALL BE CREATED WHEN DOOR IS IN CLOSED
POSITION. BOTTOM OF DOOR LEAF SHALL CONTAIN CONTINUOUS GRAVITY ACTIVATED SEAL,
WHICH SHALL COMPRESS AGAINST FLOOR AS DOOR IS CLOSED. RAISED SILLS AND
THRESHOLD DROP SEALS WILL NOT BE PERMITTED.
E.
HARDWARE:
1. HINGES - TWO (2) CAM-LIFT HINGES FINISHED IN US 26-D SATIN CHROME SHALL BE
SUPPLIED WITH EACH DOOR LEAF.
2. LATCHES SHALL NOT E REQUIRED TO HOLD THE DOOR CLOSED OR TO ACHIEVE ACOUSTIC
SEAL.
3. SEE THE DRAWINGS IN REGARDS TO THE HARDWARE SCHEDULE FOR EGRESS DOORS.
2.04
WINDOW PANELS
A.
WINDOWS SHALL BE FURNISHED IN PANELS OF THE TYPE AND CONSTRUCTION SPECIFIED AS
SHOWN ON THE DRAWINGS.
B.
WINDOWS SHALL CONSIST OF TWO (2) LAYERS OF 3/16 IN. SAFETY GLASS SEPARATED BY
AN AIR SPACE AND SEALED IN ACOUSTICALLY TIGHT RUBBER SEALS OR ONE LAYER OF 13/16” THICK BULLET RESISTANT GLAZING. REFER TO DRAWINGS FOR WINDOW TYPE AND
LOCATION.
C.
AIR SPACE ON DOUBLE GLAZED WINDOWS SHALL CONTAIN A DESICCANT MATERIAL TO
PREVENT FOGGING.
2.05
PANEL COMPONENTS
A.
ALL ACCESSORY TRIM ITEMS SHALL BE OF GALVANIZED STEEL AND SHALL BE FURNISHED IN
FACTORY-STANDARD LENGTHS TO BE FIELD CUT TO SPECIFIED DIMENSIONS. LOCATIONS
AND QUANTITIES OF SHEET METAL SCREWS AND TRIM REQUIREMENTS SHALL BE IN
ACCORDANCE WITH THE MANUFACTURER'S INSTALLATION DETAILS.
B.
ALL PANEL CONNECTIONS, TRIM ITEMS, ACCESSORIES, BASE CHANNEL/PANEL INTERFACES,
BASE CHANNEL/FLOOR INTERFACES AND OTHER SECTIONS SHALL BE SEALED WITH AN
ACOUSTICAL SEALANT THAT SHALL NOT HARDEN AND PREVENT DISASSEMBLY IN THE FUTURE.
C.
PANEL CONNECTION DESIGN AND FIT SHALL PREVENT NOISE LEAKAGE WHILE ACOUSTICALLY
AND STRUCTURALLY JOINING PANELS TOGETHER. JOINERS SHALL BE ROLL FORMED
SECTIONS INDEPENDENT OF BASIC PANEL SO THERE IS NO POSSIBILITY OF DIRECT
PASSAGE OF NOISE.
D.
WEEP HOLES TO PERMIT WATER RUNOFF SHALL BE PROVIDED ON ALL HORIZONTAL SURFACES
THAT MAY TRAP WATER.
2.06
A.
2.07
ACCESSORY ITEMS
DOORS, WINDOWS, ACCESSORY COMPONENTS, ETC., SHALL BE PROVIDED IN ACCORDANCE
WITH THE DRAWINGS.
STRUCTURAL PERFORMANCE
A.
UNDER THE INDICATED LOADING CONDITIONS, THE ENTIRE ENCLOSURE SYSTEM SHALL BE
SELF-SUPPORTING. THE INSTALLER SHALL FURNISH AND ASSEMBLE ALL STRUCTURAL
MEMBERS IN STRICT ACCORDANCE WITH THE DRAWINGS AND MANUFACTURER'S INSTALLATION
DETAILS.
B.
THE TEST CELL STRUCTURE SHALL SUPPORT ALL WALL MOUNTED CRANE AND
MECHANICAL/ELECTRICAL EQUIPMENT LOADS AS INDICATED ON THE DRAWINGS.
C.
UNDER THE ABOVE LOADING CONDITIONS, THE ASSEMBLED ACOUSTICAL STRUCTURE SHALL
NOT EXHIBIT ANY PANEL JOINT DEFLECTION IN EXCESS OF L/240, WHERE L IS THE
UNSUPPORTED SPAN LENGTH OF ANY PANEL SECTION IN THE ERECTED STRUCTURE.
2.08
A.
PRIME AND FINISH PAINT
STRUCTURAL STEEL MEMBERS AND DOORS
A.A.
STRUCTURAL STEEL MEMBERS AND DOORS TO RECEIVED PAINT SHALL BE DE-GREASED AND
CLEANED IN ACCORDANCE WITH SSPC - 1.1 WITH WELDS GROUND SMOOTH AND FILLED AS
NEEDED. EXPOSED SURFACES SHALL THEN BE PRIMED WITH ON COATED MODIFIED ALKYD
BAKED ENAMEL PAINT
A.B.
FINISH PAINT SHALL BE AS INDICATED IN THE PAINT SCHEDULE ON SHEET A-106
A.C.
PROVIDED SUFFICIENT PAINT TO TOUCH UP STRUCTURAL MEMBERS AND DOORS AFTER
INSTALLATION OF TEST CELLS.
B.
PANELS AND TRIM
B.A.
FINISH ACOUSTICAL PANELS IN SHOP PRIOR TO PANEL ASSEMBLY AND ACOUSTIC
INSULATION FILL.
B.B.
PREPARE PANELS AND TRIM BY THOROUGHLY REMOVING GREASE, DIRT, OIL, FLUX, AND
OTHER FOREIGN MATTER
B.C.
TREAT PREPARED ACOUSTICAL PANELS AND COMPONENTS WITH ZINCE-PHOSPATE
PRETREATMENT, RINSE, AND SEAL SURFACE.
B.D.
APPLY THERMOSETTING POLYESTER OR ACRYLIC URETHANE POWDER COATING WITH CUREDFILM THICKNESS NOT LESS THAN 3.0 MILS.
B.E.
COLOR SHALL BE AS INDICATED IN THE PAINT SCHEDULE ON SHEET A-106.
B.F.
SURFACE PROTECTION: APPLY A TEMPORARY 3.0 MIL THICKNESS PVC TEMPORARY
COVERING TO POWDER COATED SURFACE AFTER CURE FOR SHIPMENT AND INSTALLATION
PROTECTION.
C.
FINISH PAINT SHALL BE AS INDICATED IN THE PAINT SCHEDULE ON SHEET A-106.
D.
PROVIDE SUFFICIENT PAINT TO TOUCH-UP PANELS AFTER INSTALLATION OF TEST CELLS.
2.09
A.
B.
2.10
A.
INTERCHANGEABILITY AND REUSE
ACOUSTIC STRUCTURAL COMPONENTS HAVING SAME PART NUMBERS SHALL BE COMPLETELY
INTERCHANGEABLE.
ACOUSTIC STRUCTURE SHALL BE SUCH THAT NO COMPONENTS WILL BE DAMAGED UPON
DISASSEMBLY. DESIGN SHALL ALLOW STRUCTURE TO BE ASSEMBLED, DISASSEMBLED AND
REASSEMBLED MINIMUM OF 3 TIMES WITHOUT DETRACTION FROM ACOUSTIC PERFORMANCE.
PANEL COMPONENT CHARACTERISTICS
THE MANUFACTURER SHALL PROVIDE CERTIFIED TESTING DATA INCLUDING SOUND
ABSORPTION AND TRANSMISSION LOSS CHARACTERISTICS OF THE PANELASSEMBLY OF NOT
LESS THAN THE FOLLOWING:
SOUND TRANSMISSION LOSS, DB
OCTAVE BAND
CENTER FREQUENCIES, HZ
63
125
250
500
1K
2K
4K
8K
STC
WALL/CEILING PANELS
21
21
30
41
52
59
64
67
42
4” THICK
SOUND ABSORPTION COEFFICIENTS
OCTAVE BAND
CENTER FREQUENCIES, HZ
4” THICK
B.
63
125
250
500
1K
2K
4K
8K
NRC
0.18
.75
1.02
1.07
0.98
0.89
0.80
0.86
1.0
SUBMIT CERTIFIED FIRE TESTING LABORATORY TEST REPORTS INCLUDING FLAME SPREAD
INDEX (FSI) AND SMOKE DEVELOPED INDEX (SDI) VALUES FOR SPECIFIED PANEL TYPE AND
CONSTRUCTION OF NOT LESS THAN FOLLOWING:
PANEL CONSTRUCTION:
3
EXECUTION
3.01
PANEL SUPPORTS AND ANCHORAGE
A.
3.02
A.
FSI 0.00
SDI 0.16
INSTALL COLUMNS, BEAMS AND OTHER SECONDARY STRUCTURAL PANEL SUPPORT MEMBERS AND
ANCHORAGE IN ACCORDANCE WITH AISC MANUAL OF STEEL CONSTRUCTION "CODE OF
STANDARD PRACTICE".
PANEL INSTALLATION
INSTALL PANELS ACCORDING TO MANUFACTURER'S INSTRUCTIONS AND RECOMMENDATIONS, AS
APPLICABLE TO PROJECT CONDITIONS AND SUPPORTING SUBSTRATES. ANCHOR PANELS AND
OTHER COMPONENTS OF THE WORK SECURELY IN PLACE, WITH PROVISIONS FOR THERMAL AND
STRUCTURAL MOVEMENT.
1. INSTALL PANELS WITH EXPOSED FASTENERS PRE-FINISHED TO MATCH PANEL FINISHES.
B.
BASE CHANNEL SHALL BE INSTALLED ON A LEVEL AND STRUCTURALLY SOUND SURFACE.
C.
ACCESSORIES: INSTALL COMPONENTS REQUIRED FOR A COMPLETE ACOUSTICAL PANEL
SYSTEM, INCLUDING TRIM, COPING, SUPPORTS AND ATTACHMENTS, CONNECTIONS BETWEEN
PANELS, SEAM COVERS, SEALANTS, FILLERS, CLOSURES STRIPS AND SIMILAR ITEMS.
3.03
CLEANING AND ADJUSTMENT
A.
DAMAGED UNITS: REPLACE PANELS AND OTHER COMPONENTS OF THE WORK THAT HAVE BEEN
DAMAGED OR HAVE DETERIORATED BEYOND SUCCESSFUL REPAIR BY MEANS OF FINISH TOUCH
UP OR SIMILAR MINOR REPAIR PROCEDURES.
B.
CLEANING: REMOVE TEMPORARY PROTECTIVE COVERINGS AND STRIPPABLE FILMS (IF ANY)
AS SOON AS EACH PANEL IS INSTALLED. UPON COMPLETION OF PANEL INSTALLATION,
CLEAN FINISHED SURFACES AS RECOMMENDED BY PANEL MANUFACTURER, AND MAINTAIN IN A
CLEAN CONDITION DURING CONSTRUCTION.