ATT_02a_Division_12_Furnishings.pdf

1 Division 12 - Furnishings

DIVISION 12 - FURNISHINGS

SECTION 12491- HORIZONTAL LOUVER BLINDS

PART 1 - GENERAL

A. Summary:

1. This Section includes types of venetian blinds and accessories.

B. Related Sections:

1. Division 6, Section “Miscellaneous Carpentry”

2. Division 8, Section “Wood Windows”

3. Division 8, Section “Aluminum Entrances and Storefronts”

C. Definitions:

1. Miniblind: Venetian blind with nominal 1 inch (25 mm), wide louver slat.

D. Submittals:

1. Submittals: Submit in accordance with Division 1 requirements.

2. Product Data: For each type of product indicated. Include styles, material descriptions, construction details, dimensions of individual components and profiles, features, finishes, and operating instructions.

3. Samples: for the following products, prepared Samples of the same material to be used for the Work.

a. Louver Slat: Not less than 12 inches (300 mm) long.

b. Tapes: Full width, not less than 6 inches (150 mm) long.

c. Horizontal Louver Blind: Full-size, not less than 16 inches (400 mm) wide by 24 inches (600 mm) long.

d. Cornice: Full-size unit, not less than 12 inches (300 mm) wide.

4. Window Treatment Schedule: Include horizontal louver blinds in schedule using same room designations indicated on the Drawings.

E. Quality Assurance:

1. Source Limitations: Obtain horizontal louver blinds through one source from a single manufacturer.

2. Fire-Test-Response Characteristics: Provide horizontal louver blinds with fire-tested response characteristics indicated, as determined by testing agency identical to procedures per test method indicated below by U.L. or another testing and inspecting agency acceptable to authorities having jurisdiction:

3. Flame-Resistance Rating: Passes NFPA 701.

4. Corded Window Covering Product Standard: Provide horizontal louver blinds complying with WCMA A 100.1.

F. Delivery, Storage, and Handling:

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1. Deliver blinds in factory packages, marked with manufacturer and product name, and location of installation using same room designations indicated on the

Drawings and in a window treatment schedule.

Section 12491- Horizontal Louver Blinds Cont.

G. Project Conditions:

1. Environmental Limitations: Do not install horizontal louver blinds until construction and wet and dry finish work in spaces, including painting, is complete and ambient temperature and humidity conditions are maintained at the levels indicated for the Project when occupied for its intended use.

2. Field Measurements: Where horizontal louver blinds are indicated to fit to other construction, verify dimensions of other construction by field measurements before fabrication and indicate measurements on Shop Drawings. Allow clearance for operable glazed units’ operation hardware throughout the entire operating range. Notify ESD/Inspections of discrepancies. Coordinate fabrication schedule with construction progress to avoid delaying the Work.

PART 2 - PRODUCTS

A. Manufacturers:

1. Available Manufacturers: Subject to compliance with requirements, manufacturers offering products that may be incorporated into the Work include, but limited to the following:

a. Horizontal Louver Blinds, Aluminum Louver Slats:

1. Hunter Douglas window Fashions.

2. Levolor Contract; a Newell Company; Levolor.

3. Springs, Window Fashions Division, Inc.; Ball.

B. Horizontal Louver Blinds, Aluminum Louver Slats:

1. Available Products: Subject to compliance with requirements, products that may be incorporated into the work include, but not limited to, the following:

2. Products:

a. Hunter Douglas window Fashions; Commercial Atlantis 1” Aluminum blind

(CE80)

1. Color: White, Satin.

2. Texture: Dust Shield.

b. Levolor; Riviera DustGuard, 1” Aluminum Blind.

1. Color: White, Satin.

2. Texture: DustGuard.

c. Springs Window Fashions; Bali S3000

1. Color: White, Satin.

2. Texture: Antistatic.

3. Louver Slats: Aluminum, alloy and temper recommended by producer for type of use and finish indicated; with crowned profile and radiused corners.

a. Nominal Slat Width: 1 inch (25 mm) for miniblinds.

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1. Slat Spacing: every 20 mm for 15.2 slats or more per foot.

b. Nominal Slat Thickness: Not less than 0.008 inch (0.20 mm).

c. Slat Finish: One color as indicated.

3. Headrail/Valance: Decorative, integrated headrail/valance not requiring a separate valance or end brackets for finished appearance; forms steel or aluminum; long edges returned or rolled; fully enclosing operating mechanisms on three sides and ends; capacity for one blind per headrail, unless otherwise indicated in a treatment schedule.

a. Finish Color Characteristics: Match color, texture, pattern, and gloss of louver slats.

4. Bottom Rail: Formed-steel or extruded-aluminum tube, sealed with plastic or metal capped ends top contoured to match crowned shape of louver slat bottom, contoured for minimizing light gaps; with enclosed and protected ladders and tapes to prevent their contact with stool.

5. Maximum Light Blocking Blinds: Designed for eliminating all visible light gaps if slats are tilted closed; with tight tape spacing indicated and slats with minimal-sized rout holes for ladders hidden and placed near back edge for maximum slat overlap; with headrail and bottom rail extended and formed for light-tight joints between rail and adjacent slats or construction.

a. Location: All Lecture Halls, Classrooms, Auditoriums, and Conference rooms.

6. Tilt Control: Consisting of enclosed worm gear mechanism, slip clutch or detachable wand preventing overrotation, and linkage rod, for the following operation.

a. Tilt Operation: Manual with clear plastic wand.

b. Length of Tilt Control: Length required to make operation convenient from floor level.

c. Tilt: Full.

7. Lift Operation: Manual, cord lock; locks pull chord to stop blind at any position in ascending or descending travel.

8. Tilt-Control and Chord-Lock Position: Right side and left side of headrail, respectively.

9. Ladders: evenly spaced to prevent long-term louver sag.

a. For blinds with Nominal Slat width 2 inch (25 mm) or less: Braided string.

10. Mounting: within window frame, mounting permitting easy removal and replacement without damaging blind or adjacent surfaces and finishes; with spacers and shims required for blind placement and alignment indicated.

a. Provide intermediate support brackets if end support spacing exceeds spacing recommended by manufacturer for weight and size of blind.

11. Hold-Down Brackets and Hooks or Pins: Manufacturer’s standard, as indicated.

C. Horizontal Louver Blinds Fabrication:

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1. Product Standard and Description: Comply with AWCMA Document 1029, unless otherwise indicated, for each horizontal louver blind designed to be self-leveling and consisting of louver slats, rails, ladders, tapes, lifting and tilting mechanisms, cord, cord lock, tilt control, and installation hardware.

2. Concealed Components: Noncorrodible or corrosion-resistant-coated materials.

a. Lifting and Tilting Mechanisms: With permanently lubricated moving parts.

3. Unit Sizes: Obtain units fabricated in sizes to fill window and other openings as follows, measure at 74 deg. F.:

d. Blind Units installed between (inside) jambs: Width equal to ¼ inch per side or ½ inch total, plus or minus 1/8 inch. Less than jamb-to-jamb dimension of opening in which each blind is installed. Length equal to ¼ inch, plus or minus 1/8 inch, less than head-to-dill dimension of opening in which each blind is to be installed.

4. Installation Brackets: Designed for easy removal and reinstallation of blind, for supporting headrail, and operating hardware, and for hardware position and blind mounting method indicated.

5. Installation Fasteners: Not fewer than two fasteners per bracket, fabricated from metal noncorrosive to blind hardware and adjoining construction; type designed for securing to supportive substrate; and supporting blinds and accessories under conditions of normal use.

6. Color-Coated Finish:

a. Metal: for components exposed to view, apply manufacturer’s standard baked finish complying with manufacturer’s written instructions for surface preparation including pretreatment, application, baking, and minimum dry film thickness.

7. Component Color: Provide rails, chords, ladders, and exposed-to-view metal and plastic matching or coordinating with slat color, unless otherwise indicated.

PART 3 – EXECUTION

A. Examination:

1. Examine substrates, areas, and conditions, with Installer present, for compliance with requirements for installation tolerances, operational clearances and other conditions affecting performance. Proceed with installation only after unsatisfactory conditions have been corrected.

B. Horizontal Louver Blind Installation:

1. Install blinds level, plumb and straight. Align with adjacent units and opening according to manufacturer’s written instructions, and located so exterior louver edges in any position are not closer than 1 inch to interior face of glass. Install intermediate support as required to prevent deflection in headrail. Allow

5 Division 12 - Furnishings clearances between adjacent blinds and for operating glazed opening’s operation hardware, if any.

C. Adjusting:

1. Adjust horizontal louver blinds to operate smoothly, easily, safely, and free from binding or malfunction throughout entire operational range.

D. Cleaning and Protection:

1. Clean blind surfaces after installation, according to manufacturer’s written instructions.

2. Provide final protection and maintain conditions, in a manner acceptable to manufacturer and installer that ensure that horizontal louver blinds are without damage or deterioration at time of Substantial Completion.

E. Horizontal Louver Blind Schedule:

1. General: Provide miniblinds, hardware and accessories as indicated in this

Specification at the following locations:

a. Fill in room number & names to receive blinds

End of Section- 12491