Ruskin Manufacturing	April 1998
3900 Dr. Greaves Road
Kansas City, Missouri  64030
Phone		(816) 761-7476
Fax		(816) 765-8955

Product Guide Specification

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Specifier Notes:  This product guide specification is written according to the Construction Specifications Institute (CSI) MasterFormat, Three-Part SectionFormat, and PageFormat, contained in the CSI Manual of Practice.  Five-digit section numbers are from MasterFormat, 1995 edition.

The section must be carefully reviewed and edited by the Architect to meet the requirements of the project and local building code.  Coordinate with other specification sections and the drawings.

Delete all "Specifier Notes" when editing this section.
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SECTION 15850

FORMED STATIONARY ACOUSTICAL LOUVERS

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Specifier Notes:  This section covers Ruskin Manufacturing formed stationary acoustical louvers with insulated blades, Model ACL1245.  Standard louver material is galvanized steel.  Aluminum louver material is also available.  Consult Ruskin for assistance in editing this section for specific applications.
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PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Formed [galvanized steel] [aluminum] stationary acoustical louvers with insulated blades.

1.2	RELATED SECTIONS

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Specifier Notes:  Edit the following list as required for the project.  List other sections with work directly related to the louvers.
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A.	Section 03300 - Cast-In-Place Concrete.

B.	Section 04200 - Masonry Units.

C.	Section 05100 - Structural Metal Framing.

D.	Section 06100 - Rough Carpentry.

E.	Section 07410 - Metal Wall Panels.

F.	Section 07600 - Flashing and Sheet Metal.

G.	Section 07920 - Joint Sealants.

H.	Section 09910 - Paints.

I.	Section 15850 - Air Outlets and Inlets.

1.3	REFERENCES

A.	AAMA 605.2 - High Performance Organic Coatings on Architectural Extrusions and Panels.

B.	AMCA 500 - Test Methods for Louvers, Dampers and Shutters.

C.	AMCA 511 - Certified Ratings Program for Air Control Devices.

D.	ASTM E 90 - Laboratory Measurement of Airborne Sound Transmission Loss of Building Partitions.

1.4	SUBMITTALS

A.	Comply with requirements of Section 01330 - Submittal Procedures.

B.	Product Data:  Submit manufacturer's product data including performance data.

C.	Shop Drawings:  Submit shop drawings indicating materials, construction, dimensions, accessories, and installation details.

D.	Samples:  Submit sample of louver to show frame, blades, insulation, bird screen, accessories, finish, and color.

1.5	QUALITY ASSURANCE

A.	Louvers licensed to bear AMCA Certified Ratings Seal.  Ratings based on tests and procedures performed in accordance with AMCA 511 and comply with AMCA Certified Ratings Program.  AMCA Certified Ratings Seal applies to air performance and water penetration ratings.

1.6	DELIVERY, STORAGE, AND HANDLING

A.	Delivery:  Deliver materials to site in manufacturer's original, unopened containers and packaging, with labels clearly indicating manufacturer and material.

B.	Storage:  Store materials in a dry area indoors, protected from damage and in accordance with manufacturer's instructions.

C.	Handling:  Protect materials and finishes during handling and installation to prevent damage.
PART 2	PRODUCTS

2.1	MANUFACTURER

A.	Ruskin Manufacturing, 3900 Dr. Greaves Road, Kansas City, Missouri 64030.  Phone (816) 761-7476.  Fax (816) 765-8955.

2.2	FORMED STATIONARY ACOUSTICAL LOUVERS

A.	Fabrication:

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Specifier Notes:  Standard louver material is galvanized steel.  Aluminum louver material is also available.  Material specifications for steel louvers are indicated first in brackets, followed by material specifications for aluminum louvers in brackets.  Consult Ruskin for assistance in choosing materials for specific applications.
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1.	Model:  ACL1245.
2.	Performance Ratings:  AMCA licensed.
3.	Frame:
a.	Material:  [Galvanized steel channel] [Formed aluminum].
b.	Wall Thickness:  [16 gage (1.6 mm)] [0.100 inch (2.5 mm), nominal].
c.	Depth:  12 inches (305 mm).			
4.	Blades:
a.	Style:  Insulated.
b.	Exterior Material:  [Galvanized steel] [Formed aluminum].
c.	Interior Material:  Perforated [steel] [aluminum], covers insulation.
d.	Exterior Wall Thickness:  [18 gage (1.3 mm)] [0.081 inch (2.1 mm)].
e.	Interior Wall Thickness:  [22 gage ( 0.9 mm)] [0.040 inch (1 mm)].
f.	Angle:  45 degrees.
g.	Centers:  12 inches (305 mm), nominal.
5.	Insulation:  Ruskatherm blanket.
6.	Bird Screen:
a.	With Steel Louvers:  Galvanized steel, 1/2 inch mesh x 19 gage (13 mm mesh x 1.1 mm), intercrimp.
b.	With Aluminum Louvers:  Aluminum, [3/4 inch x 0.051 inch (19 mm x 1.3 mm), expanded, flattened] [1/2 inch mesh x 0.063 inch (13 mm mesh x 1.6 mm), intercrimp].		
c.	Frame:  Removable, rewireable.				
7.	Assembly:  Factory assemble louver components.

B.	Performance Data:
1.	Based on testing 48 inch x 48 inch (1,219 mm x 1,219 mm) size unit in accordance with AMCA 500.
2.	Free Area:  22 percent, nominal.
3.	Free Area Size:  3.49 square feet (0.32 m2).
4.	Maximum Recommended Air Flow Thru Free Area:  1,054 feet per minute (321 m/min).
5.	Air Flow: 3,679 cubic feet per minute (104 m3/min).
6.	Maximum Pressure Drop:  0.13 inches w.g. (3.3mm w.g.).
7.	Water Penetration:  Maximum of 0.01 ounces per square foot (3.1 g/m2) of free area at an air flow of 1,054 feet per minute (321 m/min) free area velocity when tested for 15 minutes. 

C.	Sound Data:  Tested in accordance with ASTM E 90.

Octave Band
Frequency (Hz)		2/125	3/250	4/500	5/1000	6/2000	7/4000	8/8000	
Free Field Noise
Reduction (db)		10	11	18	20	19	20	21	
Transmission
Loss (db)		4	5	12	14	13	14	15	

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Specifier Notes:  Specify required design loading.
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D.	Design Load:  Incorporate structural supports required to withstand wind load of [20] [ _______ ] pounds per square foot ( [0.96] [ _______ ] kPa).

2.3	ACCESSORIES

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Specifier Notes:  Consult Ruskin for assistance in specifying accessories for specific applications.
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A.	Blank-Off Panels:
1.	With Steel Louvers:  [20 gage (1 mm) galvanized steel sheet] [1 inch (25 mm), galvanized steel skin, insulated core], factory installed with removable fasteners and neoprene gaskets.
2.	With Aluminum Louvers:  [0.040 inch (1 mm) aluminum sheet] [1 inch (25 mm), aluminum skin, insulated core], factory installed with removable screws and neoprene gaskets.

B.	Hinged Frame:  Continuous piano hinge attached to [angle] [channel] subframe.

C.	[Front] [Rear] Security Bars:
1.	With Steel Louvers:  Galvanized steel, [1/2 inch x 1/2 inch (13 mm x 13 mm)] [3/4 inch x 1/2 inch (19 mm x 13 mm)], welded to louver. 
2.	With Aluminum Louvers:  [Galvanized steel, [1/2 inch x 1/2 inch (13 mm x 13 mm)] [3/4 inch x 1/2 inch (19 mm x 13 mm)], attached to louver with tamper-proof screws]  [Aluminum, 3/4 inch x 1/2 inch (19 mm x 13 mm), welded to louver].

D.	Filter Racks:
1.	With Steel Louvers:  Formed channel racks to accept standard [1 inch (25 mm)] [2 inch (51 mm)] thick filters.  Unused bottom portion blanked off with 20 gage (1 mm) galvanized steel sheet.
2.	With Aluminum Louvers:  Formed channel racks to accept standard [1 inch (25 mm)] [2 inch (51 mm)] thick filters.  Unused bottom portion blanked off with 0.040 inch (1 mm) aluminum sheet.
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Specifier Notes:  Consult Ruskin for assistance in selecting from standard and nonstandard bird and insect screens for specific applications.
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E.	Bird Screens:

F.	Insect Screens:

G.	Extended Sills:
1.	With Steel Louvers:  Galvanized steel, 20 gage (1 mm).
2.	With Aluminum Louvers:  Extruded aluminum, Alloy 6063-T5.  Minimum nominal wall thickness 0.060 inch (1.5 mm).	

H.	Visible Mullions:  Manufacturer's standard horizontal or vertical visible mullions for architectural accent as indicated on drawings.

2.4	FACTORY FINISH

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Specifier Notes:  Specify one of the following factory finishes and delete the others.  Mill finish is standard.  Consult Ruskin for assistance in choosing factory finish for specific applications.
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A.	Standard mill finish.

B.	Kynar 500 Fluoropolymer Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry louvers before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

C.	Modified Fluoropolymer (50 Percent Kynar) Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry louvers before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

D.	Acrodize Fluoropolymer Coating:
1.	Conform to AAMA 605.2.
2.	Apply coating following cleaning and pretreatment.
3.	Cleaning:  AA-C12C42R1X.
4.	Dry louvers before final finish application.
5.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes.

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Specifier Notes:  Anodize finishes are for aluminum louvers only.
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E.	Color Anodize Finish:
1.	Comply with Aluminum Association AA-C22A44.
2.	Apply finish following chemical etching and pretreatment.
3.	Electrolytically deposited color anodized finish.
4.	Minimum Thickness:  0.7 mils (0.018 mm).

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Specifier Notes:  Choose one of the following two clear anodize finishes and delete the other. Clear anodize is available in 2 surface depths.  Clear anodize finish 204-R1 is recommended for normal weather exposure.  Clear anodize finish 215-R1 is recommended for severely corrosive or abrasive atmosphere exposure.  Consult Ruskin for assistance in specifying clear anodize for specific applications.
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F.	Clear Anodize Finish:
1.	Comply with Aluminum Association AA-C22A31.  Clear anodize finish 204-R1.
2.	Apply finish following chemical etching and pretreatment.
3.	Minimum Thickness:  0.4 mils (0.01 mm), 30 minute anodizing process.

G.	Clear Anodize Finish:
1.	Comply with Aluminum Association AA-C22A41.  Clear anodize finish 215-R1.
2.	Apply finish following chemical etching and pretreatment.
3.	Minimum Thickness:  0.7 mils (0.018 mm), 60 minute anodizing process.

H.	Prime Coat:
1.	Apply alkyd prime coat following chemical cleaning and pretreatment.
2.	Primer preparation for field painting.

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Specifier Notes:  Consult Ruskin color selection chart for standard color samples.  Ruskin can match most custom colors in Kynar based paint.
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I.	Color for Fluoropolymer Coating:  Color as selected by Architect from manufacturer's standard colors.

J.	Color for Anodize Finish:  [Black] [Clear Anodize] [Dark Bronze] [Medium Bronze].

PART 3	EXECUTION

3.1	EXAMINATION

A.	Inspect areas to receive louvers.  Notify the Architect of conditions that would adversely affect the installation or subsequent utilization of the louvers.  Do not proceed with installation until unsatisfactory conditions are corrected.
3.2	INSTALLATION

A.	Install louvers at locations indicated on the drawings and in accordance with manufacturer's instructions.

B.	Install louvers plumb, level, in plane of wall, and in alignment with adjacent work.

C.	Install joint sealants as specified in Section 07920.

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Specifier Notes:  Specify field topcoat if prime coat is specified in PART 2 - PRODUCTS.
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D.	Apply field topcoat within 6 months of application of shop prime coat.  Apply field topcoat as specified in Section 09910.

3.3	CLEANING

A.	Clean louver surfaces in accordance with manufacturer's instructions.

B.	Repair minor damaged surfaces as directed by Architect.

END OF SECTION