SECTION 15811
FABRIC AIR DISPERSION SYSTEMS
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Copyright 2012 - 2015 ARCAT, Inc. - All rights reserved
PART 1 GENERAL
1.1
SECTION INCLUDES
A.
1.2
RELATED SECTIONS
A.
1.3
1.4
Fabric air dispersion systems. (FlowCon fabric air diffusers)
Section 15700 - HVAC Equipment.
REFERENCES
A.
ASTM International (ASTM):
1.
ASTM D 737 - Standard Test Method for Air Permeability of Textile Fabrics.
2.
ASTM E 84 - Standard Test Method for Surface Burning Characteristics of Building
Materials.
B.
International Code Council: ICC Evaluation Service - ESR 2646.
C.
National Fire Protection Association (NFPA): NFPA 90 - Standard For The Installation Of AirConditioning And Ventilating Systems.
D.
Underwriters Laboratories (UL).
SUBMITTALS
A.
Submit under provisions of Section 01300.
B.
Product Data: Manufacturer's data sheets for each system type specified, including but not
limited to:
1.
Performance characteristics.
2.
Preparation instructions and recommendations.
3.
Storage and handling requirements and recommendations.
4.
Installation methods.
5.
Cleaning methods.
C.
Shop Drawings: Submit fabricator's shop drawings, including plans, elevations, sections, and
details, indicating dimensions, types and tolerances, anchorage, attachment and relationship
with adjacent construction.
15811-1
1.5
1.6
1.7
D.
Selection Samples: For each system specified, two complete sets of samples representing
manufacturer's full range of available products types.
E.
Verification Samples: For each system specified, two sets of samples representing actual
product types specified.
QUALITY ASSURANCE
A.
Design Support Information: Manufacturer must have documented design support
information including duct sizing, vent and orifice location, vent and orifice sizing, length, and
suspension. Parameters for design, including maximum air temperature, velocity, pressure
and fabric permeability, shall be considered and documented.
B.
Mock-Up: Provide a mock-up for evaluation of surface preparation techniques and
application workmanship.
1.
Finish areas designated by Architect.
2.
Do not proceed with remaining work until workmanship is approved by Architect.
3.
Rework mock-up area as required to produce acceptable work.
DELIVERY, STORAGE AND HANDLING
A.
Deliver, store and handle materials and products in strict compliance with manufacturer's
instructions and recommendations and industry standards. Protect from damage
B.
Store products indoors in manufacturer's or fabricator's original containers and packaging,
with labels clearly identifying product name and manufacturer. Prevent dirt and moisture
from entering packaging.
PROJECT CONDITIONS
A.
1.8
SEQUENCING AND SCHEDULING
A.
1.9
Maintain environmental conditions (temperature, humidity, and ventilation) within limits
recommended by manufacturer for optimum results. Do not install products under
environmental conditions outside manufacturer's recommended limits.
Conference: Convene a pre-installation conference to establish procedures to maintain
optimum working conditions and to coordinate this work with related and adjacent work.
WARRANTY
A.
Manufacturer's Standard Warranty:
1.
For Fabric: 5 year product warranty.
2.
For Assembly Components: 5 year product warranty.
PART 2 PRODUCTS
2.1
MANUFACTURERS
A.
Acceptable Manufacturer: Air Distribution Concepts, Inc., which is located at: 204 Hallberg
St. P. O. Box 507; Delavan, WI 53115; Tel: 262/728-6860 ; Fax: 262/728-6840;
Email:request info (info@adctubes.com); Web:www.adctubes.com
B.
Substitutions: Not permitted.
C.
Requests for substitutions will be considered in accordance with provisions of Section
01600.
15811-2
2.2
FABRIC AIR DISPERSION SYSTEMS
A.
Fabric Dispersion Systems: FlowCon fabric air diffusers as manufactured by Air Distribution
Concepts, Inc.
1.
Fabric Type: As scheduled or indicated on Drawings.
2.
Fabric Type: Anti-static, anti-microbial woven polyester fabric.
a.
Compliance:
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
3)
UL classified (R20672).
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 98 percent polyester and 2 percent carbon.
e.
Fabric Treatment:
1)
Air permeable treatment.
2)
EPA registered antimicrobial agent, 99 percent effective after 10 laundry
cycles.
f.
Air Permeability: .98 cfm/ft2 as per ASTM D 737, Frazier.
g.
Temperature Range For Fabric: 0 degrees F to 350 degrees F (-17.8 degrees
C to 176 degrees C).
h.
Design Temperatures for Operation: Between 0 degrees F and 250 degrees F
(-17.8 degrees C and 121 degrees C).
i.
Weight: 3.2 oz/yd2.
j.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
k.
Flow Rate: _______________.
l.
Flow Rate: As scheduled or indicated on Drawings.
m.
Flow Rate: Standard, 1/2 inch water gauge.
n.
Color: ______________.
o.
Color: As scheduled or indicated on Drawings.
p.
Color: Gray 512.
q.
Color: White 513.
r.
Color: Medium Blue 515.
3.
Fabric Type: Anti-microbial woven polyester fabric.
a.
Compliance: In accordance with ICC Evaluation Service report ESR 2646.
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
3)
UL classified (R20672).
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 100 percent polyester.
e.
Fabric Treatment:
1)
Air permeable treatment.
2)
EPA registered antimicrobial agent, 99 percent effective after 10 laundry
cycles.
f.
Air Permeability: 2 cfm/ft2 as per ASTM D 737, Frazier.
g.
Temperature Range For Fabric: 0 degrees F to 350 degrees F (-17.8 degrees
C to 176 degrees C).
h.
Design Temperatures for Operation: Between 0 degrees F and 250 degrees F
(-17.8 degrees C and 121 degrees C).
15811-3
i.
j.
4.
5.
Weight: 5.3 oz/yd2.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
k.
Flow Rate: _______________.
l.
Flow Rate: As scheduled or indicated on Drawings.
m.
Flow Rate: Standard, 1/2 inch water gauge.
n.
Color: ______________.
o.
Color: As scheduled or indicated on Drawings.
p.
Color: Black 711.
q.
Color: Gray 712.
r.
Color: White 713.
s.
Color: Dark Green 714.
t.
Color: Medium Blue 715.
u.
Color: Tan 716.
v.
Color: Red 717.
Fabric Type: Woven polyethylene fabric.
a.
Compliance: In accordance with ICC Evaluation Service report ESR 2646.
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
b.
Description: Air diffusers constructed of a coated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 100 percent polyethylene.
e.
Fabric Treatment: Non-air permeable coating.
f.
Air Permeability: 0 cfm/ft2 as per ASTM D 737, Frazier.
g.
Temperature Range For Fabric: 0 degrees F to 180 degrees F (-17.8 degrees
C to 82 degrees C).
h.
Design Temperatures for Operation: Between 0 degrees F and 250 degrees F
(-17.8 degrees C and 121 degrees C).
i.
Weight: 6.75 oz/yd2.
j.
Color: ______________.
k.
Color: As scheduled or indicated on Drawings.
l.
Color: Natural 211.
m.
Color: Gray 212.
n.
Color: White 213.
o.
Color: Dark Green 214.
p.
Color: Blue 215.
q.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
r.
Flow Rate: _______________.
s.
Flow Rate: As scheduled or indicated on Drawings.
t.
Flow Rate: Standard, 1/2 inch water gauge.
Fabric Type: Woven coated polyester fabric.
a.
Compliance: In accordance with ICC ESR 2646.
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 100 percent polyester.
e.
Fabric Treatment: Non-air permeable treatment.
f.
Air Permeability: 0 cfm/ft2 as per ASTM D 737, Frazier.
15811-4
g.
6.
7.
Temperature Range For Fabric: 0 degrees F to 250 degrees F (-17.8 degrees
C to 176 degrees C).
h.
Weight: 6.75 oz/yd2.
i.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
j.
Flow Rate: _______________.
k.
Flow Rate: As scheduled or indicated on Drawings.
l.
Flow Rate: Standard, 1/2 inch water gauge.
m.
Color: ______________.
n.
Color: As scheduled or indicated on Drawings.
o.
Color: Black 311.
p.
Color: Gray 312.
q.
Color: White 313.
r.
Color: Dark Green 314.
s.
Color: Blue 315.
t.
Color: Tan 316.
u.
Color: Red 317.
Fabric Type: Woven uncoated polyester fabric.
a.
Compliance: In accordance with NFPA 701 small scale.
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 100 percent polyester.
e.
Fabric Treatment: Air permeable, no coating.
f.
Air Permeability: As scheduled or indicated on Drawings.
g.
Air Permeability: 26 cfm/ft2 as per ASTM D 737, Frazier.
h.
Air Permeability: 50 cfm/ft2 as per ASTM D 737, Frazier.
i.
Temperature Range For Fabric: 0 degrees F to 250 degrees F (-17.8 degrees
C to 176 degrees C).
j.
Weight: 5.5 oz/yd2.
k.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
l.
Flow Rate: _______________.
m.
Flow Rate: As scheduled or indicated on Drawings.
n.
Flow Rate: Standard, 1/2 inch water gauge.
o.
Color: ______________.
p.
Color: As scheduled or indicated on Drawings.
q.
Color: Black 611.
r.
Color: Gray 612.
s.
Color: White 613.
t.
Color: Dark Green 614.
u.
Color: Blue 615.
v.
Color: Tan 616.
w.
Color: Red 617.
x.
Color: Yellow 618.
Fabric Type: Woven vinyl coated fabric.
a.
Compliance: Fire Retardant, tested in accordance with the 25/50 flame
spread/smoke developed requirements ASTM E 84, Class A building material.
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
15811-5
d.
e.
f.
g.
8.
B.
Fabric Construction: Vinyl laminated polyester.
Fabric Treatment: Non-air permeable treatment.
Air Permeability: 0 cfm/ft2 as per ASTM D 737, Frazier.
Temperature Range For Fabric: 0 degrees F to 180 degrees F (-17.8 degrees
C to 82 degrees C).
h.
Weight: 10 oz/yd2.
i.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
j.
Flow Rate: _______________.
k.
Flow Rate: As scheduled or indicated on Drawings.
l.
Flow Rate: Standard, 1/2 inch water gauge.
m.
Color: ______________.
n.
Color: As scheduled or indicated on Drawings.
o.
Color: Black 411.
p.
Color: Gray 412.
q.
Color: White 413.
r.
Color: Green 414.
s.
Color: Blue 415.
t.
Color: Tan 416.
u.
Color: Red 417.
v.
Color: Yellow 418.
Fabric Type: High Temperature, silicone coated fiberglass.
a.
Compliance:
1)
Fire Retardant: Meets ASTM E 84 Class 1.
2)
Tested in accordance with the 25/50 flame spread/smoke developed
requirements of NFPA 90-A.
3)
UL classified (R20672).
b.
Description: Air diffusers constructed of a treated woven fire retardant fabric.
c.
Application: Use fabric diffusers only for positive pressure air distribution
components of mechanical ventilation systems; do not use fabric diffusers in
concealed locations.
d.
Fabric Construction: 100 percent polyester.
e.
Fabric Coating:
1)
Silicone, non-air permeable treatment.
2)
EPA registered antimicrobial agent, 99 percent effective after 10 laundry
cycles.
f.
Air Permeability: 0 cfm/ft2 as per ASTM D 737, Frazier.
g.
Temperature Range For Fabric: 0 degrees F to 350 degrees F (-17.8 degrees
C to 176 degrees C).
h.
Design Temperatures for Operation: Between 0 degrees F and 250 degrees F
(-17.8 degrees C and 121 degrees C).
i.
Weight: 16.5 oz/yd2.
j.
Design Parameters: Design CFM, static pressure and diffuser length shall be
designed or approved by the manufacturer.
k.
Flow Rate: _______________.
l.
Flow Rate: As scheduled or indicated on Drawings.
m.
Flow Rate: Standard, 1/2 inch water gauge.
n.
Color: ______________.
o.
Color: As scheduled or indicated on Drawings.
p.
Color: Gray 112.
q.
Color: White 113.
r.
Color: Blue 115.
s.
Color: Yellow 118.
System Fabrication Requirements:
1.
Dispersion Orifice Sizing: Maximum of 6 inch (152 mm) diameter.
15811-6
2.
3.
4.
5.
6.
7.
C.
Orifices: Size, quantity, and location of orifices in accordance with designs and
Drawings approved by manufacturer.
Inlet Connections: Metal duct via wormgear band as supplied by manufacturer.
Zippers: Lengths to include zippers in accordance with designs and Drawings
approved by manufacturer.
Fabric Systems: Include connectors to accommodate specified suspension system.
Deviations from Straight Runs: Made using gored elbows or take-off ports in
accordance with designs and Drawings approved by manufacturer.
Standard 90 Degree Elbows: 6 gores and a radius of 2 to 2.5 times the diameter of
diffuser in accordance with designs and Drawings approved by manufacturer.
Suspension Hardware:
1.
System Type: As scheduled and indicated on Drawings.
2.
System Type: Cable diffuser suspension systems as manufactured by Air Distribution
Concepts, Inc.
a.
Description: System consisting of cable turnbuckle, eyebolts and cable clamps.
b.
Cable Diameter: 3/16 inch (4.8 mm).
c.
Cable Configuration: As scheduled or indicated on Drawings.
d.
Cable Configuration: Single strands; 1 row of cable.
1)
Location: 2-1/2 inches (63.5 mm) above top-dead-center of diffuser
systems.
e.
Cable: Double strands; 2 rows of cable.
1)
Location: 2-1/2 inches (63.5 mm) above 10 and 2 o'clock or 3 and 9
o'clock locations of diffuser systems.
f.
Cable: Triple strands; 3 row of cable.
1)
Location: As scheduled or indicated on Drawings.
g.
Hardware: Including cable, eye bolts, cable clamps and turnbuckles.
h.
System Attachment: Snap hook spaced at 36 inches (914 mm).
i.
Snap Hook Materials: As scheduled or indicated on Drawings.
j.
Snap Hook Materials: Standard, galvanized or plastic.
k.
Snap Hook Materials: Premium, stainless steel.
l.
Cable Type: As scheduled or indicated on Drawings.
m.
Cable Type: Galvanized steel cable.
n.
Cable Type: Stainless steel cable.
o.
Cable Type: Plastic coated stainless steel cable.
3.
System Type: Suspended HD-Rail diffuser suspension systems as manufactured by
Air Distribution Concepts, Inc.
a.
Description: HD rails, rail supports, couplers, and vertical supports (speed
links).
b.
Rail Materials: Anodized aluminum.
c.
Fabric Rail Attachment:
1)
Cords: Continuous supporting cords.
2)
Gliders: Plastic, spaced 36 inches (914 mm) o.c. along length of system.
d.
Rail Configurations: As scheduled or indicated on Drawings.
e.
Rails Configurations: Single runs; 1 row of aluminum rail diffuser systems.
1)
Location: 1-1/2 (39 mm) inches above top-dead-center of diffuser
systems.
f.
Rails Configurations: Double runs; 1 row of aluminum rail diffuser systems.
1)
Location: 1-1/2 (39 mm) above 10 and 2 o'clock locations of diffuser
systems.
g.
Curved Sections: Provide radiused aluminum track for radiused sections, as
scheduled or indicated on Drawings.
h.
Hardware: Including but not limited to 10 ft (3 m) sections of track and splice
connectors.
i.
Vertical Cable Support Kits: Includes length of cable with locking ends and
speed-link cable connectors.
15811-7
1)
4.
5.
Materials for Speed-Link Cable Connectors: As scheduled or indicated
on Drawings.
2)
Materials for Speed-Link Cable Connectors: Standard, aluminum.
3)
Materials for Speed-Link Cable Connectors: Premium, stainless steel.
System Type: Flush-Mount rail diffuser suspension systems as manufactured by Air
Distribution Concepts, Inc.
a.
Rail Materials: Aluminum.
b.
Location: 1-1/2 inches (39 mm) above top-dead-center of diffuser systems.
c.
Hardware: Including but not limited to 10 ft (3 m) or 20 ft (6.1 m) sections of
trail, gliders, connections and end plugs; gliders and cord promote easy sliding
movement through aluminum rail.
d.
Fabric/Track Attachment:
1)
Cords: Continuous supporting cords.
2)
Gliders: Positioned every 36 inches (914 mm) along length of system.
System Type: Halo diffuser suspension systems as manufactured by Air Distribution
Concepts, Inc.
a.
Description: Tension system keeps fabric in tension with internal rings located
at zipper connections spaced every 6 feet to 10 feet along length of diffuser.
Fabric also kept in tension also in length by tensioning end cap devices.
b.
Cable Type: As scheduled or indicated on Drawings.
c.
Cable Type: Galvanized steel cabling.
d.
Cable Type: Stainless steel cabling.
e.
Cable Type: HD rail suspension.
PART 3 EXECUTION
3.1
3.2
EXAMINATION AND PREPARATION
A.
Prepare substrates using the methods recommended by the manufacturer for achieving the
best result for the substrate under the project conditions.
B.
Do not proceed with installation until substrates have been prepared using the methods
recommended by the manufacturer and deviations from manufacturer's recommended
tolerances are corrected. Commencement of installation constitutes acceptance of
conditions.
C.
If preparation is the responsibility of another installer, notify Architect in writing of deviations
from manufacturer's recommended installation tolerances and conditions.
INSTALLATION
A.
3.3
Install dispersion and suspension system in accordance with manufacturer's instructions and
in proper relationship with adjacent construction.
CLEANING AND PROTECTION
A.
Cleaning: Clean external surfaces of foreign substances that may cause corrosive
deterioration of facing. If diffuser systems become soiled during installation, they should be
removed and cleaned following the manufacturers standard terms of laundry.
B.
Protect installed products from damage during construction.
C.
Touch-up, repair or replace damaged products before Substantial Completion.
END OF SECTION
15811-8