Ruskin Manufacturing							March 2004
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 STEEL ADJUSTABLE LOUVERS

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Specifier Notes:  This section covers Ruskin Manufacturing formed steel adjustable louvers with drainable blades, Model LM375D.  Consult Ruskin for assistance in editing this section for specific applications.
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PART 1	GENERAL

1.1	SECTION INCLUDES

A.	Formed steel adjustable louvers with drainable 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.

J.	Section 15925 - Pneumatic and Electric Controls.

K. 	Section 16100 - Wiring Methods. 

1.3	REFERENCES

A.	AAMA 2605-98 - High Performance Organic Coatings on Architectural Extrusions and Panels.

B.	AMCA 500-L - Test Methods for Louvers.

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, bird screen, linkage, bearings, axles, actuator, accessories, finish, and color.

1.5	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 STEEL ADJUSTABLE LOUVERS

A.	Fabrication:
1.	Model:  LM375D.
2.	Frame:
a.	Material:  Galvanized steel.
b.	Wall Thickness:  16 gage (1.6 mm).
c.	Depth:  4 inches (102 mm).
d.	Construction:  [Standard] [Flange].
e.	Downspouts and caulking surfaces.
3.	Blades:
a.	Style:  Drainable.
b.	Material:  Galvanized steel.
c.	Wall Thickness:  18 gage (1.3 mm).
d.	Angle:  37.5 degrees.
e.	Centers:  3 3/8 inches (86 mm), nominal.
4.	Bird Screen:
a.	Material:  Galvanized steel, 1/2 inch mesh x 19 gage (13 mm mesh x 1.1 mm), intercrimp.
b.	Frame:  Removable, rewireable.
5.	Linkage:  Concealed in frame.
6.	Bearings:  Stainless steel sleeve pressed into frame.
7.	Axles:  1/2 inch (13 mm) plated steel hex.
			8.	Actuator:  [Manual, locking louver quadrant] [Electric, 120 V, 60 Hz, two-position, spring-return] [Pneumatic, 20 to 30 psi (138 to 207 kPa) supply air pressure, two-position, spring-return].	
9.	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-L.
2.	Free Area:  44 percent, nominal.
3.	Free Area Size:  7.06 square feet (0.66 m2).
4.	Maximum Recommended Air Flow Thru Free Area:  No more than 1,027 feet per minute (313 m/min).
5.	Air Flow:  7,251 cubic feet per minute (205 m3/min).
6.	Maximum Pressure Drop:  0.10 inches w.g. (0.03 kPa).

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Specifier Notes:  Specify required design loading.
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C.	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.	Seals:  Extruded vinyl blade edge seals.  Compressible metal jamb seals.

B.	Blank-Off Panels:  [20 gage (1 mm) galvanized steel sheet] [1 inch (25 mm), galvanized steel skin, insulated core], factory installed with removable fasteners and neoprene gaskets.

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

D.	[Front] [Rear] Security Bars:  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. 

E.	Filter Racks:  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.

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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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F.	Bird Screens:

G.	Insect Screens:

H.	Extended Sills:  Galvanized steel, 20 gage (1 mm).

I.	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.	70% PVDF finish.
2.	Conform to AAMA 2605-98.
3.	Apply coating following cleaning and pretreatment.
4.	Cleaning:  AA-C12C42R1X.
5.	Dry louvers before final finish application.
6.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes. 
7.	Warranty: Limited 20 year warranty on standard colors.

C.	Modified Fluoropolymer Baked Enamel Coating:
1.	50% PVDF finish.
2.	Conform to AAMA 2605-98.
3.	Apply coating following cleaning and pretreatment.
4.	Cleaning:  AA-C12C42R1X.
5.	Dry louvers before final finish application.
6.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes. 
7.	Warranty: Limited 20 year warranty on standard colors.

D.	Pearledize 70 Fluoropolymer Coating:
1.	70% PVDF finish utilizing pearlescent mica pigments.
2.	Conform to AAMA 2605-98.
3.	Apply coating following cleaning and pretreatment.
4.	Cleaning:  AA-C12C42R1X.
5.	Dry louvers before final finish application.
6.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes. 
7.	Warranty: Limited 20 year warranty on standard colors.

E.	Pearledize 50 Fluoropolymer Coating:
1.	50% PVDF finish utilizing pearlescent mica pigments.
2.	Conform to AAMA 2605-98.
3.	Apply coating following cleaning and pretreatment.
4.	Cleaning:  AA-C12C42R1X.
5.	Dry louvers before final finish application.
6.	Total Dry Film Thickness:  Approximately 1.2 mils (0.03 mm), when baked at 450 degrees F (232 degrees C) for 10 minutes. 
7.	Warranty: Limited 20 year warranty on standard colors.

F.	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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G.	Color for Fluoropolymer Coating:  Color as selected by Architect from manufacturer's standard colors.

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