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	SECTION 10210
	LOUVERS AND VENTS
	Copyright 2007 - 2011 ARCAT, Inc. - All rights reserved
	** NOTE TO SPECIFIER ** Nystrom Building Products, Inc.; Louvers. . This section is based on the products of Nystrom Building Products, Inc., which is located at: 9300 73rd Ave. N. Brooklyn Park, MN 55428. Toll Free Tel: (800)547-2635 Toll Free Fax: (800)-317-8770 Direct Phone: (612) 781-7850 Direct Fax: (612) 781-1363 Email: tparsons@nystrom.com Web: www.nystrom.com . Nystrom is the world's leading direct-to-site provider of complementary building products... like roof hatches, access panels, louvers, floor doors, expansion joints and smoke vents. Everything we do is focused on getting our customers the right products at the right time. .
	PART 1	GENERAL
	1.1	SECTION INCLUDES
	** NOTE TO SPECIFIER ** Delete items below not required for project.
		A.	Louvers.
	1.2	RELATED SECTIONS
	** NOTE TO SPECIFIER ** Delete any sections below not relevant to this project; add others as required.
		A.	Section 07900 - Joint Sealers.
		B.	Division 15700 - Heating Ventilation and Air Conditioning Equipment.
		C.	Section 16100 - Wiring Methods.
	1.3	REFERENCES
	** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
		A.	Air Movement and Control Association International 1nc. (AMCA): Standard 500 - Test Method for Louvers, Dampers, and Shutters.
		B.	Air Movement and Control Association International Inc. (AMCA): Publication 261 - Directory of Licensed Products, current edition.
		C.	ASTM A526 Standard Specification for Steel Sheet, Zinc-coated (galvanized) steel.
		D.	ASTM B209 Standard Specification for Aluminum and Aluminum-Alloy Sheet and Plate.
		E.	ASTM B221 Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles and Tubes.
	1.4	SUBMITTALS
		A.	Submit under provisions of Section 01300.
		B.	Product Data: Manufacturer's data sheets on each product to be used, including:
			1.	Preparation instructions and recommendations.
			2.	Storage and handling requirements and recommendations.
			3.	Installation methods.
		C.	Shop Drawings: Submit manufacturer's approved shop drawings describing each installation and flashing condition found on the project.
	** NOTE TO SPECIFIER ** Delete selection samples if colors have already been selected.
		D.	Selection Samples: For each finish product specified, two samples representing manufacturer's full range of available colors and patterns.
	1.5	QUALITY ASSURANCE
		A.	Manufacturer Qualifications: All primary products specified in this section will be supplied by a single manufacturer with a minimum of ten (10) years experience.
		B.	Installer Qualifications: All products listed in this section are to be installed by a single installer with a minimum of five (5) years demonstrated experience in installing products of the same type and scope as specified.
	** NOTE TO SPECIFIER ** Include a mock-up if the project size and/or quality warrant taking such a precaution. The following is one example of how a mock-up on a large project might be specified. When deciding on the extent of the mock-up, consider all the major different types of work on the project.
		C.	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, color, and sheen are approved by Architect.
			3.	Refinish mock-up area as required to produce acceptable work.
	1.6	DELIVERY, STORAGE, AND HANDLING
		A.	Store products in manufacturer's unopened packaging until ready for installation.
		B.	Store and dispose of solvent-based materials, and materials used with solvent-based materials, in accordance with requirements of local authorities having jurisdiction.
	1.7	PROJECT CONDITIONS
		A.	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 absolute limits.
	1.8	WARRANTY
		A.	At project closeout, provide to the owner or owners representative an executed copy of the manufacturer's Limited Warranty Against Manufacturing Defect, warranting materials and workmanship against defects after completion and final acceptance of Work.
	PART 2	PRODUCTS
	2.1	MANUFACTURERS
		A.	Acceptable Manufacturer: Nystrom Building Products, Inc., which is located at: 9300 73rd Ave. N. ; Brooklyn Park, MN 55428; Toll Free Tel: 800-547-2635; Tel: 763-488-9200; Email: tparsons@nystrom.com; Web: www.nystrom.com
	** NOTE TO SPECIFIER ** Delete one of the following two paragraphs; coordinate with requirements of Division 1 section on product options and substitutions.
		B.	Substitutions: Not permitted.
		C.	Requests for substitutions will be considered in accordance with provisions of Section 01600.
	2.2	MATERIALS
		A.	Aluminum Sheet: ASTM B209 Alloy 3003 or 5005 with temper as required for forming, or as otherwise recommended by metal producer to provide required finish.
		B.	Aluminum Extrusions: ASTM B221, Alloy 6063-T5.
		C.	Galvanized, Bonderized Coating: ASTM A526 galvanized to G90 zinc coating.
		D.	Fasteners:
			1.	Stainless steel screws and fasteners for aluminum louvers
			2.	Zinc-coated or stainless steel screws and fasteners for steel louvers
	** NOTE TO SPECIFIER ** Retain only Product(s) required for this project. Delete all paragraphs not required, or the entire article if no Specialty Blade Louvers are necessary.
	2.3	SPECIALTY BLADE LOUVERS
		A.	MODEL LSA6D-DC (Dade County Approved)
			1.	Louver Depth: 6 inch (150 mm)
			2.	Frame Thickness: 0.125 inch (3.18 mm) extruded aluminum type 6063-T5
			3.	Blade Angle: 38 degrees
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 4.25 inch (106.25 mm)
			6.	Performance Requirements: Meets standards PA-201, 202, and 203 for Miami-Dade County hurricane louver certification. As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 55 percent
				b.	Static Pressure Loss: Not more than .23 inch water gauge at an airflow rate of 1250 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 1250 FPM free area velocity.
		B.	MODEL LSA5CDD
			1.	Louver Depth: 5 inch (125 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Angle: N/A
			4.	Blade Thickness: 0.081 inch (2.06 mm) or 0.063 inch (1.60 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 2 inch (51 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 44 percent
				b.	Static Pressure Loss: Not more than 0.41 inch water gauge at an airflow rate of 1723 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of plus 1250 FPM free area velocity.
			7.	Wind Driven Water Penetration Performance:
				a.	Test Area: 39 inch x 39 inch (1000mm x 1000mm) core area, 41 inch x 44 inch (1041mm x 1118mm) nominal size unit in accordance with AMCA 500-L.
				b.	Wind Velocity: 29 mph (46.4kph).
				c.	Rainfall Rate: 3 inches/hour (76 mm/hour).
				d.	Air Volume: 6207 cfm (176 m^3/min).
				e.	Core Velocity: 588 fpm (3 m/second).
				f.	Free Area Velocity: 1,139 feet per minute (347 m/min).
				g.	Water Resistance Effectiveness: 99.3% (AMCA Class A).
				h.	Discharge Loss Classification (Intake Test): Class 2 (.3 to .399).
	** NOTE TO SPECIFIER ** Retain only Product(s) required for this project. Delete all paragraphs not required, or the entire article if no Drainable Blade Louvers are necessary.
	2.4	DRAINABLE BLADE LOUVERS
		A.	MODEL LSA2D45
			1.	Louver Depth: 2 inch (50.8 mm)
			2.	Frame Thickness: 0.062 inch (1.57 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Drainable blades at 45 degree angle
			4.	Blade Thickness: 0.062 inch (1.57 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 2.444 inch
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 38 percent
				b.	Static Pressure Loss: Not more than .18 inch water gauge at an airflow rate of 1197 FPM free are intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 1197 FPM free area velocity.
		B.	MODEL LSA4D38
			1.	Louver Depth: 4 inch (100 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Drainable blades at 38 degree angle
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 5.09 inch (129 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 54 percent
				b.	Static Pressure Loss: Not more than .11 inch water gauge at an airflow rate of 873 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 873 FPM free area velocity.
		C.	MODEL LSA4D45
			1.	Louver Depth: 4 inch (100 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Drainable blades at 45 degree angle
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 4.5 inch (112.5 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 53 percent
				b.	Static Pressure Loss: Not more than .16 inch water gauge at an airflow rate of 1176 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 1075 FPM free area velocity
		D.	MODEL LSA6D38
			1.	Louver Depth: 6 inch (150 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Drainable blades at 38/45 degree angle
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 5.91 inch (150 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: 57 percent
				b.	Static Pressure Loss: Not more than .13 inch water gauge at an airflow rate of 1023 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 oz. per square ft. of free area at an airflow rate of 1023 FPM free area velocity.
		E.	MODEL LSA6D35S
			1.	Louver Depth: 6 inch (150 mm).
			2.	Frame Thickness: 0.125 (3.18 mm) extruded aluminum type 6063-T5.
			3.	Blade Type: Drainable blades at 35 degree angle.
			4.	Blade Thickness: .081 inch (2.06 mm) extruded aluminum type 6063-T5.
			5.	Blade Spacing: 4 inch (100 mm).
			6.	Performance Requirements:
				a.	Test Area: 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				b.	Free Area: 48.8 percent
				c.	Static Pressure Loss: Not more than .20 inch water gauge at an airflow rate of 1250 FPM free area velocity.
				d.	Water Penetration: Not more than 0.01 oz. per square ft. of free area at an airflow rate of 1250 FPM free area velocity.
	** NOTE TO SPECIFIER ** Retain only Product(s) required for this project. Delete all paragraphs not required, or the entire article if no Storm Blade Louvers are necessary.
	2.5	STORM BLADE LOUVERS
		A.	MODEL LSA2S45
			1.	Louver Depth: 2 inch (50.8 mm)
			2.	Frame Thickness: 0.062 inch (1.57 mm)
			3.	Blade Type: Weather blades at 45 degrees
			4.	Blade Thickness: 0.062 inch
			5.	Blade Spacing: 2 inch (50.8 mm)
			6.	Performance Requirements: Free area of not less than 42 percent
		B.	MODEL LSA4YSP
			1.	Louver Depth: 4 inch (100 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Stationary storm blades positioned in an inverted "Y"
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 4 inch (100 mm)
			6.	Performance Requirements: Free area of not less than 33 percent
		C.	MODEL LSA4WSP
			1.	Louver Depth: 4 inch (100 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Stationary storm blades position in an inverted "V"
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 4 inch (100 mm)
			6.	Performance Requirements: Free area of not less than 35 percent
		D.	MODEL LSA4S38
			1.	Louver Depth: 4 inch (125 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Stationary storm blades at 38 degrees
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 5.094 inch
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: Not less than 52 percent
				b.	Static Pressure Loss: Not more than .10 inch water gauge at an airflow rate of 696 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 803 FPM free area velocity.
		E.	MODEL LSA6S45
			1.	Louver Depth: 6 inch (150 mm)
			2.	Frame Thickness: 0.125 inch (3.125 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Stationary storm blades at 45 degrees
			4.	Blade Thickness: 0.90 inch (22.5 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 6 inch (150 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: Not less than 48 percent
				b.	Static Pressure Loss: Not more than .06 inch water gauge at an airflow rate of 680 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 680 FPM free area velocity.
	** NOTE TO SPECIFIER ** Retain only Product(s) required for this project. Delete all paragraphs not required, or the entire article if no Weather Blade Louvers are necessary.
	2.6	WEATHER BLADE LOUVERS
		A.	MODEL LSA150W45
			1.	Louver Depth: 1.5 inch (38 mm)
			2.	Frame Thickness: 0.062 inch (1.57 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Weather blades at 45 degrees
			4.	Blade Thickness: 0.062 inch extruded aluminum type 6063-T5
			5.	Blade Spacing: 1.5 inch (38 mm)
			6.	Performance Requirements: Free area of not less than 43 percent
		B.	MODEL LSA4W38
			1.	Louver Depth: 4 inch (101.6 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Weather blades at 38 degrees
			4.	Blade Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 5.09 inch (129 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: Not less than 54 percent
				b.	Static Pressure Loss: Not more than .14 inch water gauge at an airflow rate of 803 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 803 FPM free area velocity.
		C.	MODEL LSA6W38
			1.	Louver Depth: 6 inch (150 mm)
			2.	Frame Thickness: 0.081 inch (2.06 mm) extruded aluminum type 6063-T5
			3.	Blade Type: Weather blades at 38/45 degrees
			4.	Blade Thickness: 0.081 (2.06 mm) extruded aluminum type 6063-T5
			5.	Blade Spacing: 6 inch (150 mm)
			6.	Performance Requirements: As follows determined by testing 48 inch by 48 inch (1219 mm by 1219 mm) units per AMCA 500.
				a.	Free Area: Not less than 55 percent
				b.	Static Pressure Loss: Not more than .18 inch water gauge at an airflow rate of 1010 FPM free area intake velocity.
				c.	Water Penetration: Not more than 0.01 ounces per square foot of free area at an airflow rate of 1010 FPM free area velocity.
	2.7	LOUVER ACCESSORIES
		A.	Exterior Sill: Provide sill flashing of same material and finish as louvers where indicated on drawings.
	** NOTE TO SPECIFIER ** Identify where bird and insect screens are to be placed: interior or exterior. Usually insect screens are installed on intake louvers and bird screens on exhaust louvers. Do not install insect screens on HVAC intake louvers. Please consult factory representative for additional options regarding screen types.
		B.	Louver Screens: Provide framed removable screens for exterior louvers.
			1.	Bird screens shall be expanded aluminum mesh. Optional (please specify): 1/2 inch (12.7 mm) by 0.063 diameter aluminum mesh wire mounted with removable frame or 18 x 16 mesh 0.011 inch (0.28 mm) aluminum (or steel) diameter wire insect screen.
			2.	Locate screens on inside face of louvers.
	** NOTE TO SPECIFIER ** Select operator required to suit project requirements. Delete four of the next five paragraphs.
	2.8	FABRICATION
		A.	Performance: Fabricate as required for optimum performance with respect to water penetration, strength, durability, and appearance.
		B.	Size: Fabricate louvers in walls to meet dimensions indicated on Contract Drawings.
		C.	Field Measurement: Verify size, location, and placement of louvers before fabrication.
		D.	Shop Assembly: Fabricate to minimize field adjustments, splicing, mechanical joints, and field assembly of units.
		E.	Accessories: Include supports, anchorage, and accessories required for complete assembly.
		F.	Vertical mullions: Provide vertical mullions of type and spacing indicated but not farther apart than recommended by manufacturer.
		G.	Horizontal mullions: Provide horizontal mullions at horizontal joints between louver units except where continuous vertical assemblies are indicated.
		H.	Connections: Join frame and blade members to one another welding, except where field bolted connections between frame members are made necessary by size of louvers.
		I.	Spacing: Maintain equal blade spacing to produce uniform appearance.
	2.9	FINISHES
		A.	Comply with NAAMM Metal Finishes Manual for recommendations relative to application and designations of finishes.
		B.	Shop Finishing:
	** NOTE TO SPECIFIER ** Select the required finish. Delete five of the next six paragraphs and modify the included text as instructed.
			1.	Mill aluminum finish.
			2.	Clear anodized aluminum finish: AA-M10C22A21.
			3.	Color anodized aluminum finish: AA-M10C22A44.
			4.	Baked enamel finish: AA-C23C42R1x.
	** NOTE TO SPECIFIER ** Color Selection criteria. Delete two of the next three paragraphs.
				a.	Color: Selected by Architect from manufacturer's standard color selection chart or custom colors.
				b.	Color: _______________________.
			5.	Fluorocarbon 2 Coat Coating System: Comply with AAMA 605.2.
	** NOTE TO SPECIFIER ** Color Selection criteria. Delete two of the next three paragraphs.
				a.	Color: Selected by Architect from manufacturer's standard color selection chart or custom colors.
				b.	Color: _______________________.
			6.	Fluorocarbon 3 Coat Coating System (with clear top coat): Comply with AAMA 605.2.
	** NOTE TO SPECIFIER ** Color Selection criteria. Delete two of the next three paragraphs.
				a.	Color: Selected by Architect from manufacturer's standard color selection chart or custom colors.
				b.	Color: _______________________.
		C.	Finish Protection: Provide finish protection as recommended by louver manufacturer.
		D.	Selected color will be submitted for approval using same materials to be used for fabrication
	PART 3	EXECUTION
	3.1	EXAMINATION
		A.	Verify conditions are suitable for installation.
	3.2	PREPARATION
		A.	Advise installers of Work relating to louver installation including dimensions, locations of supports, and anchoring methods. Coordinate delivery with other work to avoid delay.
	3.3	PROTECTION AND INSTALLATION
		A.	Protect louvers from damage during storage, installation, and until completion of structure.
		B.	Install louvers per manufacturer's typical details and instructions along with advice of their qualified representative. Provide necessary fastenings and anchors as required to complete installation. Install units plumb, level, and in proper alignment with adjacent Work.
		C.	Form tight joints with Work of this Section. Fit exposed connections accurately.
		D.	Protect metal surfaces from corrosion or galvanic action by application of a heavy coating of bituminous paint on surfaces that are in contact with concrete, masonry, or dissimilar materials.
	3.4	ADJUSTMENT AND CLEANING
		A.	Adjustment: Specify applicable product adjustment requirements.
		B.	Cleaning: Remove temporary coverings and protection of adjacent work areas. Repair or replace damaged installed products. Clean installed products per manufacturer's instructions before completion. Remove construction debris from Project site and legally depose of debris.
	END OF SECTION