DuctSox 1, 2, & 3 Row Suspension with Microbe-X: 
Old Format / Location:  		Division 15, Section 15800     
2005 Master Spec Format: 	Section/Category:  [23 37 16]

PART 1-GENERAL (Division 15, Section 15800)
1.1	DESCRIPTION OF WORK:
A.	Extent of non-metal ductwork is indicated on drawings and by requirements of this section.
B.	Types of non-metal ductwork required for this project include the following:
1.	Textile Air Dispersion Products.

1.2	QUALITY ASSURANCE:
A.	Building Codes and Standards:
1.	Product must be Classified by Underwriter’s Laboratories in accordance with the 25/50 flame spread / smoke developed requirements of NFPA 90-A and UL 2518.
2.	All product sections must be labeled with the logo and classification marking of Underwriter’s Laboratories.
B.	Design & Quality Control
1.	Manufacturer must have documented design support information including duct sizing; vent location; vent sizing; length; and suspension.  Parameters for design, including maximum air temperature, velocity, pressure and textile permeability, shall be considered and documented.

1.3	SUBMITTALS:
A.	Product Data: Submit manufacturer’s specifications on materials and manufactured products used for work of this section.	
B.	Building Code Data: Submit UL file number under which product is Classified by Underwriter’s Laboratories for both NFPA 90-A and UL 2518.
C.	Provide detailed drawings confirming configuration of Textile Dispersion System (diameter, lengths, airflow, pressure, and textile permeability).
D.	Provide detailed installation instructions for components to be installed. 
E.	Provide warranty and maintenance documentation. 

1.4	WARRANTY:
	A.	Manufacturer must provide a 1 Year Product Warranty for products supplied for the fabric portion of this system as well as a Design and Performance Warranty.

1.5	DELIVERY, STORAGE AND HANDLING:
A.	Protect textile air dispersion system and suspension components from damage during shipping, storage, and handling.
B.	Where possible, store products inside and protect from weather.  Where necessary to store outside, store above grade and enclose with a vented waterproof wrapping.  

PART 2 - PRODUCTS
2.1	MANUFACTURER:
Subject to compliance with requirements, choose one of the following:
A.	DuctSox® Corporation
 Phone: (866) DUCTSOX or  (563) 588-5300
 FAX:  (866) 398-1646 or  (563) 588-5330
 www.DuctSox.com	    

2.2	TEXTILE AIR DISPERSION SYSTEM:
A.	1, 2, & 3 Row Suspension: Air diffusers shall be constructed with one, two, or three row suspension system.(Select only those options that apply)
1.	Tension Cable
a.	One Row Cable
1.	Systems shall be installed 1-1/2” above top-dead-center.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Available for systems less than 32” diameter.  Cable suspension hardware to include cable, eye bolts, thimbles, cable clamps, and turnbuckle(s) as required.
a.	Cable suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
b.	Two Row Cable
1.	Systems shall be installed 1-1/2” above the 10 and 2 o’clock locations.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Required for systems of 32” – 59” diameter.  Available for systems less than 32” diameter.  Cable suspension hardware to include cable, eye bolts, thimbles, cable clamps, and turnbuckle(s) as required.
a.	Cable suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
c.	Three Row Cable
1.	Systems shall be installed 1-1/2” above the 10, 12, and 2 o’clock locations.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Required for systems of 60” diameter and larger.  Available for systems less than 60” diameter.  Cable suspension hardware to include cable, eye bolts, thimbles, cable clamps, and turnbuckle(s) as required.
a.	Cable suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
2.	U-Track 
a.	One Row U-Track
1.	Systems shall be installed 1-1/2” above top-dead-center.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Available for systems less than 32” diameter.  U-Track suspension hardware to include 8’ sections of aluminum track, aluminum splice connectors, track endcaps and vertical cable support kits – consisting of a length of cable with cable connectors.  Radius aluminum track must be included for all horizontal/flat radius sections.
a.	U-Track suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
b.	Two Row U-Track
1.	Systems shall be installed 1-1/2” above the 10 and 2 o’clock locations.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Required for systems of 32” – 59” diameter.  Available for systems less than 32” diameter.  U-Track suspension hardware to include 8’ sections of aluminum track, aluminum splice connectors, track endcaps and vertical cable support kits – consisting of a length of cable with cable connectors.  Radius aluminum track must be included for all horizontal/flat radius sections.
a.	U-Track suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
c.	Three Row U-Track
1.	Systems shall be installed 1-1/2” above the 10, 12, and 2 o’clock locations.  Textile system attachment to cable shall be made using Gliders spaced every 24 inches.  Required for systems of 60” diameter and larger.  Available for systems less than 60” diameter.  U-Track suspension hardware to include 8’ sections of aluminum track, aluminum splice connectors, track endcaps and vertical cable support kits – consisting of a length of cable with cable connectors.  Radius aluminum track must be included for all horizontal/flat radius sections.
a.	U-Track suspension options(must specify if multiple on same project)
i.	Galvanized steel cable
ii.	Stainless steel cable
iii.	Impregnated steel cable(required for natatorium applications)
b.	Support lengths available in 5’(standard), 10’, 15’, & 30’.
3.	R-Track 
a.	One Row R-Track
1.	Systems shall be installed 3” above the 12 o’clock location.  Textile system attachment to R-Track system shall be made using acetal clips spaced every 24 inches or less.  Available for systems less than 32” diameter.  R-Track suspension hardware to include 8’ sections of 304 stainless steel track with food-grade welds, splice connectors, and stainless steel wire sliders.  Radius R-Track must be included for all horizontal/flat radius sections.  Connection from the R-Track to the building structure is provided by others.
b.	Two Row R-Track
1.	Systems shall be installed 3” above the 10 and 2 o’clock locations.  Textile system attachment to R-Track system shall be made using acetal clips spaced every 24 inches or less.  Required for systems of 32” – 59” diameter.  Available for systems less than 32” diameter.  R-Track suspension hardware to include 8’ sections of 304 stainless steel track with food-grade welds, splice connectors, and stainless steel wire sliders.  Radius R-Track must be included for all horizontal/flat radius sections.  Connection from the R-Track to the building structure is provided by others.
c.	Three Row R-Track
1.	Systems shall be installed 3” above the 10, 12, and 2 o’clock locations.  Textile system attachment to R-Track system shall be made using acetal clips spaced every 24 inches or less.  Required for systems of 60” diameter and larger.  Available for systems less than 60” diameter.  R-Track suspension hardware to include 8’ sections of 304 stainless steel track with food-grade welds, splice connectors, and stainless steel wire sliders.  Radius R-Track must be included for all horizontal/flat radius sections.  Connection from the R-Track to the building structure is provided by others.
d.	.

B.	TEXTILE
1.	Microbe-X
a.	Textile Construction: Filament/filament twill polyester with antimicrobial treatment proven to remain effective after 30 laundering cycles (by mfr.) and fire retardant in accordance with UL 2518.
b.	Air Permeability: 6, 13, and 29 (+3/-3) CFM/ft2 per ASTM D737, Frazier
c.	Weight 
1.	6 & 13 porosity 6.9 oz. /yd2 per ASTM D3776
2.	29 porosity 6.2 oz. /yd2 per ASTM D3776
d.	Warranty:  1 year
2.	Textile Color
a.	Standard: white
b.	Custom

C.	SOUND ATTENUATOR(OPTIONAL)
1.	Test reports:  The laboratory method used in conduction these tests in accordance with ASTM Standard E477-2013.  Sound pressure level data obtained using a Bruel and Kjar Pulse Analyzer.
2.	Acoustical performance data must be submitted for both dynamic insertion loss and generated noise values for octave band frequencies from 63Hz to 8000Hz.
3.	All sound testing to be completed by a NVLAP acoustical testing service accredited third party laboratory.
4.	Material meets the flame and smoke development of NFPA 90-A of < than 25 flame and <50 smoke development when tested in accordance with ASTM E84.
5.	System shall include full 360 degree tension rings with quick connection spacer tubes concealed inside the fabric attenuator.
6.	Cylindrical ring on each side shall require a vertical metal to metal cable safety attachment.
7.	Available for diameters from 12” – 30”.
8.	Attenuator to have a 5 year warranty.
9.	Shop drawings to include thickness, pressure losses, and connection details.
10.	Available with and without a bullet.
11.	Fabric on outer shell of attenuator to match DuctSox.
12.	With a bullet.  Based on a 24” diameter by 52” length with bullet, the minimum acoustical data must be met: minimum data for DIL and maximum for GN.
a.	Performance
1.	Direction: Forward Flow (+)
2.	Dynamic Insertion Loss
3.	Generated Noise

13.	Without a bullet.  Based on a a 24” diameter by 52” length without a bullet, the minumum acoustical data must be met: minimum data for DIL and maximum for GN.
a.	Performance
1.	Direction: Forward Flow (+)
2.	Dynamic Insertion Loss
3.	Generated Noise

D.	TEXTILE SYSTEM FABRICATION REQUIREMENTS:
1.	Textile system to be constructed in modular lengths (zippered). 
2.	Integrated air dispersion shall be specified and approved by manufacturer. (select only those that apply)
a.	Linear Vents
1.	Air dispersion accomplished by linear vent and permeable fabric.  Linear vents must be sized in 1 CFM per linear foot increments (based on .5” SP), starting a 1 CFM through 90 CFM per linear foot.  Linear vent is to consist of an array of open orifices rather than a mesh style vent to reduce maintenance requirements of mesh style vents.  Linear vents should also be designed to minimize dusting on fabric surface.
2.	Size of vent openings and location of linear vents to be specified and approved by manufacturer. 
b.	Air Porous Fabric
1.	Air dispersion accomplished by permeable fabrics only.  Permeability to be specified and approved by manufacturer.
3.	Inlet connection to metal duct via fabric draw band with anchor patches and loops as supplied by manufacturer.  Loops to be secured to metal duct via hooks – supplied by contractor.
4.	Inlet connection includes zipper for easy removal / maintenance.
5.	Lengths to include required intermediate zippers as specified by manufacturer.
6.	System to include Adjustable Flow Devices to balance turbulence, airflow and distribution as needed.  Flow restriction device shall include ability to adjust the airflow resistance from 0.06 – 0.60 in w.g. static pressure.
7.	End cap includes zipper for easy maintenance.
8.	Each section of the textile shall include identification labels documenting order number, section diameter, section length, piece number, code certifications and other pertinent information. 

E.	DESIGN PARAMETERS:
1.	Textile air diffusers shall be designed from 0.25” water gage minimum to 3.1” maximum, with 0.5” as the standard.
2.	Textile air diffusers shall be limited to design temperatures between 0 degrees F and 180 degrees F (-17.8 degrees C and 82 degrees C).
3.	System overall design; diameter, length, airflow, operating static pressure and dispersion shall be designed or approved by the manufacturer.
4.	Do not use textile diffusers in concealed locations.
5.	Use textile air dispersion systems only for positive pressure air distribution components of the mechanical ventilation system.  

PART 3 – INSTALLATION

3.1	INSTALLATION OF TEXTILE AIR DISPERSION SYSTEM:
A.	Install chosen suspension system in accordance with the requirements of the manufacturer.  Instructions for installation shall be provided by the manufacturer with product.

3.2	CLEANING AND PROTECTION:
A.	Clean air handling unit and ductwork prior to the DuctSox system unit-by-unit as it is installed.  Clean external surfaces of foreign substance which may cause corrosive deterioration of facing.
B.	Temporary Closure: At ends of ducts which are not connected to equipment or distribution devices at time of ductwork installation, cover with polyethylene film or other covering which will keep the system clean until installation is completed.
C.	If DuctSox systems become soiled during installation, they should be removed and cleaned following the manufacturers standard terms of laundry.

***END OF SECTION***