PART 1 – GENERAL
1.1
SUMMARY OF PRODUCT
A.
Echotac BOSS is manufactured with formaldehyde-free, low VOC high-density acoustic fibre board that passes CHPS protocols.
1.2
SUBMITTALS
A.
Shop Drawings: Show fabrication and installation details for acoustic panels, including plans, elevations, sections, details and attachment to other work.
B.
Submittals: Furnish samples.
C.
Qualification Data: For firms specified in “Quality Assurance” Article to demonstrate their capabilities and experience.
D.
Product Certificates: Signed by manufacturer certifying that the products furnished comply with requirements.
1.3
QUALITY ASSURANCE
A.
Manufacturer and Installer Qualifications: Manufacturer and Installer shall have a minimum of 5 years experience in producing and installing specified products and shall furnish supporting documentation showing completed jobs of approximately the same size and scope.
1.4
DELIVERY, STORAGE, AND HANDLING
A.
Protect acoustic material from water, rain, and/or snow when shipping/handling.
B.
DO NOT drag material as damage/soiling can occur.
C.
Only install Echotac BOSS when building is enclosed, dust generating activity is completed, and HVAC is operational.
D.
Do not install Echotac BOSS until wet work is complete and dry.
E.
Install Echotac BOSS after painting and flooring is completed and/or installed.
PART 2 – PRODUCTS
2.1
Echotac BOSS, GENERAL
A.
The manufacturer’s absorptive material shall be made with high density (18.0 lb±2/ft3) formaldehyde-free, low VOC fibre board wrapped with acoustically transparent fabric appropriate to the application.
1.
Product Model: Echotac BOSS
Western Noise Control
Edmonton, Alberta, Canada
Ph. (800) 661-7241
Fax (780) 426-0325
E-mail: info@acousticsolutions.com
2.
A.
Non-wet and non-corrosive environments: Facing Materials: Guilford of Maine’s “Open House/Anchorage” or Victor’s “Whisper” or other Acoustically Transparent Fabrics as per Architect
B.
Wet or Corrosive Environments: Facing Materials: PVC as per Architect
3.
Echotac BOSS Thickness: Nominal 1/2” or 3/4” thick absorptive material
4.
Track system: Nominal 1” or 2” thick PVC track
5.
Noise Reduction Coefficient: NRC of 0.5 for 1/2” absorptive material and 0.55 for 3/4” absorptive material.
6.
Echotac BOSS Width: Up to 1,524 mm (60 inches/5 ft) or maximum width of fabric
7.
Echotac BOSS Length: Up to 50 yards, or maximum length of fabric.
2.2
CONSTRUCTION
A.
Echotac BOSS product shall be supplied in widths, lengths, and finishes as indicated.
Echotac BOSS (Tackable Built On Site System)
2.3
MOUNTING
A.
Mounting Accessories: Manufacturer’s standard accessories for securely mounting Echotac BOSS of type and size indicated and complying with the following requirements:
1.
Walls: As per manufacturer with Professional Engineer’s approval and conformance to seismic conditions as necessary.
2.
Ceilings: As per manufacturer with Professional Engineer’s approval and conformance to seismic conditions as necessary whether suspended or at ceiling level.
2.4
ACOUSTIC PERFORMANCE
Sound Absorption: Per ASTM C–423 Type A Mounting
1/2” Thick Sound Absorption Coefficient per Octave Band Center Frequency
125Hz: 0.06
250Hz: 0.20
500Hz: 0.47
1000Hz: 0.61
2000Hz: 0.64
4000Hz: 0.73
NRC: 0.50
3/4” Thick Sound Absorption Coefficient per Octave Band Center Frequency
125Hz: 0.08
250Hz: 0.30
500Hz: 0.53
1000Hz: 0.65
2000Hz: 0.81
4000Hz: 0.87
NRC: 0.55
*Note: Average NRC is based on the 250,500, 1000, and 2000 Hz frequency bands and rounded to nearest multiple of 0.05
2.5
SURFACE BURNING CHARACTERISTICS
A.
All components pass flame spread and smoke development tests for ASTM E84 Class 1/A, UL -Classified.
PART 3 – EXECUTION
3.1
INSTALLATION
A.
Install Echotac BOSS in locations indicated and in orientation indicated. Comply with manufacturer’s written instructions for installation of Echotac BOSS using type of mounting accessories indicated by manufacturer in orientation and spacing dictated by manufacturer. Comply with the following:
1.
Install track plumb, straight, and flush in proper alignment.
2.
Stretch fabric over PVC framework and insert into the jaw of the extrusion using appropriate tools.
3.
Fabric shall be stretched tautly, evenly, and smoothly, and should be free of defects and flaws.
3.2
CLEANING
A.
After completion of installation of Echotac BOSS, remove dust and other foreign material with a horse hair duster brush mounted on a vacuum cleaner. A damp cloth with mild detergent and warm water or foam/pure water-free solvents can also be used for heavier soiling BUT an inconspicuous section on the side of the Echotac BOSS should be tested beforehand when “wetting” the Echotac BOSS with anything.
END OF SECTION