02-Fixed Audience Seating 12 61 00 Amendment No. 2 8-19-10

SHAH KAWASAKI ARCHITECTS BRISTLECONE VISITOR CENTER

INYO NATIONAL FOREST

Amendment No. 2 - 8/19/10 12 61 00 - 1 Fixed Audience Seating

SECTION 12 61 00

FIXED AUDIENCE SEATING

PART 1 - GENERAL

1.1 SUMMARY

A. Section Includes: Provide fixed interior multiple auditorium seating units including accessories as required for complete installation.

1. Type: Partly upholstered chairs with automatic seat uplift. Wood/wood veneer back and underside of seat.

B. Related Sections:

1. Section 01 35 10: LEED Special Environmental Requirements.

C. LEED General: Refer to LEED “Checklist” indicating points Design Team has anticipated relating to specific LEED credits and LEED requirements and to Section 01 35 10 - LEED Special Environmental Requirements.

1.2 SYSTEM DESCRIPTION

A. Design Requirements:

1. Compatibility: Provide each type of auditorium seating by single manufacturer, including accessories, mounting and installation components.

2. Sizes and Layout: Provide varying width backs and seats as necessary to comply with approved shop drawings.

a. Design seating with standards in each row spaced laterally so end standards are in alignment from first to last row, regardless of whether aisles are constant width or converging.

B. Fire Performance Characteristics of Upholstered Seating: Provide upholstered auditorium chairs which comply with following requirements as well as all requirements of CA TB 133:

1. Padding: Provide new (prime manufacture) polyurethane foam.

a. Average Burn Length: Not exceeding 8" and average flame time after removal of flame source not exceeding 15 seconds.

b. Drippings: Not continuing to flame for more than 5 seconds after falling, when tested vertically in compliance with Federal Test Method Standard 191, Method 5903.2.

2. Fabric: Provide fabric complying with 16 CFR Part 1610 Class I.

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1.3 SUBMITTALS

A. Product Data: Submit manufacturer's technical data and maintenance instructions for each type of auditorium seating.

B. Shop Drawings: Submit shop drawings prepared from Architect's drawings and field measurements, including layout of seating units, chair sizes and aisle widths.

C. Samples: Submit, for verification purposes, samples of each exposed material from which seating units and accessories are composed, in each color, finish, pattern and texture indicated.

1. Color Charts: Submit manufacturer's color charts or samples of actual materials showing full range of standard colors, finishes, patterns, and textures available.

2. Include samples of following:

a. Fabric.

b. Baked enamel finishes for metal components.

c. Wood and plywood materials and finishes.

d. Exposed fasteners.

D. Certificates: Submit certificate from manufacturer indicating materials provided for auditorium seating have met fire performance requirements.

E. LEED Certification Points: Submit information and certifications necessary to achieve maximum points for LEED certification; coordinate and cooperate with Owner and Architect in providing information necessary for required LEED rating.

1. Electronic (LEED On-Line) submittals are required for Project LEED certification.

1.4 QUALITY ASSURANCE

A. Regulatory Requirements, Accessibility for Persons with Disabilities: Comply with requirements of California Building Code and Americans with Disabilities Act Accessibility Guidelines (ADAAG).

1. Verify layout indicated complies with requirements for accessibility for persons with disabilities.

2. Provide armrests for accessibility complying with access requirements.

1.5 MAINTENANCE

A. Extra Materials: Deliver stock of maintenance material to Owner.

1. Furnish maintenance material matching those installed and taken from same production run, packaged with protective covering for storage and identified with appropriate labels.

2. Seat and Back Covers: Furnish sewn seat and back covers in quantity equal to 5.0% of chairs installed, with covers prorated to sizes of chairs used.

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PART 2 - PRODUCTS

2.1 MANUFACTURERS

A. KI Inc.

B. Irwin Seating Co.

C. American Desk Manufacturing Co.

D. American Seating Co.

E. Hussey Manufacturing Co., Inc.

F. J.G. Furniture Co.

G. Substitutions: Refer to Section 01 62 00.

2.2 MATERIALS

A. Gray Iron Castings: ASTM A48, Class 25.

B. Steel Plates, Shapes and Bars: ASTM A36.

C. Steel Sheets for Baked Enamel Finish: ASTM A591, commercial and drawing quality;

Class C, galvanized-bonderized; 20 gage minimum unless otherwise indicated.

D. Expansion Bolts: FS FF-B-588; Type, Class and Style as recommended by chair manufacturer.

E. Wood Screws: Flat head carbon steel; FS FF-S-lll; length as recommended by chair manufacturer.

F. Exposed Wood: Wood as indicated, as directed by Architect where not otherwise indicated, free of visible defects.

G. Concealed Plywood: PS 1/ANSI A199.1.

H. Exposed Hardwood Plywood: Wood veneers to match exposed stained Alaskan Yellow Cedar in Room 104, as directed by Architect where not otherwise indicated, color matched if more than one piece.

I. Fabric: Manufacturer’s Grade 2 100% nylon woven fabric complying with requirements of ASTM D3597 including those for heavy-duty surface abrasion classification and Wyzenbeek Abrasion Test minimum of 15,000 double rubs., and weighing not less than 20 ounces per linear yard.

1. Color/Pattern/Texture: Match Architect's samples.

J. LEED Recycled Content: Provide materials with post-consumer and pre-consumer recycled content where available and as required to achieve maximum LEED credits.

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K. LEED Regionally Manufactured, Extracted, Harvested, or Recovered Materials: Obtain materials that qualify for LEED credits for regional materials obtained within 500 miles of Project where possible.

L. LEED Volatile Organic Compound (VOC) Emissions and Toxic Substances: Provide materials with volatile organic compound emissions and toxic substances such as urea-formaldehyde complying with LEED requirements to reduce indoor air contaminants.

2.3 FABRICATION

A. Fabricate auditorium seating units in contoured form for maximum comfort, using materials which are carefully selected to be free of defects, objectionable projections or irregularities.

B. Smoothly round corners, edges and exposed fasteners, to present least possible snagging and pinching hazards.

C. Mounting: Floor mounting on sloped floor as indicated.

1. Floor Mounting: Fabricate seating units for attachment to floor, using standards manufactured to conform to slope of floor while maintaining seat and back in proper angular relationship.

D. Metal Standards:

1. Tubular Steel Standards: Fabricate chair standards of heavy gage rectangular steel tubing securely welded to steel mounting plate, with seat, back and arm rest connections welded to tubing.

E. End Panels: Provide manufacturer's end panels in configuration shown securely attached to aisle standards, surfaced as follows:

1. Wood: Solid hardwood.

F. Upholstered Chairs:

1. Fabricate auditorium seating with padding and fabric covering.

2. Uplift Device: Equip seats with automatic uplift devices so unoccupied seats raise to uniform 3/4 fold and can be moved to perpendicular position by slight additional pressure.

3. Seats: Fabricate seats in upholstered arch-spring construction, with upper part of two-part assembly removable for reupholstery without removing complete seat from chair.

a. Upper Part:

1) Steel frame with not less than 5 serpentine springs securely attached to frame.

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2) Frame covered with protective sheeting, medium density polyurethane padding measuring not less than 3" thick at front and 1-1/2" elsewhere.

b. Fabric covering sewed into box construction without welts and securely attached without use of tacks, screws or clips.

c. Lower Part: Provide lower part of seat consisting of manufacturer’s standard wood or plastic seat pan formed steel pan of not less than 20 gage, or, reinforced at points of stress and designed to totally enclose hinge mechanisms.

4. Hinges: Provide heavy-duty steel hinges of compensating type, each equipped with noiseless adjustable seat lifting device.

a. Provide for seat rotation on bushings which do not require lubrication, and positive internal stops cushioned with rubber or neoprene.

5. Upholstered Backs: Fabricate back as padded, upholstered component with protective wood rear panel.

a. Provide upholstered element of not less than 1" thick polyurethane foam glued to curved steel or plywood support panel, covered with fabric, fastened to simplify replacement.

b. Provide curved wood rear panel, not less than 26" long in order to protect seat in up position, and as follows:

1) Plywood Panel: Formed of not less than 3-ply, 1/4" plywood, with hardwood face ply exposed rear face.

6. Arm Rests: Provide solid hardwood arm rest with edges rounded at each aisle and between chairs, designed for concealed mounting to standards and as follows:

2.4 FINISHES

A. Metal Finish: Finish exposed iron and steel components with manufacturer's baked-on enamel, in colors as selected by Architect from manufacturer's standards.

B. Wood and Plywood Finish: Seal and stain wood to match Architect's sample, and apply coating in sufficient film thickness to afford protection under heavy usage.

PART 3 - EXECUTION

3.1 EXAMINATION

A. Examine areas and conditions under which auditorium seating is to be installed, including condition of substrate to which seating standards are to be attached.

B. Beginning installation signifies acceptance of substrates and conditions.

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3.2 PREPARATION

A. Field Measurements: Take field measurements prior to preparation of shop drawings and fabrication where possible, to ensure proper fitting of work.

B. Allow for adjustments as necessary whenever taking field measurements prior to beginning fabrication might delay work.

3.3 INSTALLATION

A. Comply with recommendations of seating manufacturer for secure and proper installation.

B. Install chairs in locations indicated on approved shop drawings, with required clearances, elevations and sight lines.

C. Standards: Install standards in locations necessitated by seating layout, with each standard attached to substrate by not less than two anchoring devices of recommended size.

D. Chairs: Install chairs by mounting components to standards or brackets mounted on standards, using manufacturer's recommended hardware and fasteners.

1. Insure chairs in curved rows are installed at proper radius, and verify moving components operate properly.

3.4 ADJUSTING

A. Adjust seat uplift mechanisms as required to assure that seats in each row are aligned when in upright position.

3.5 CLEANING AND PROTECTION

A. Touch-up minor abrasions and imperfections in painted finishes with coating which matches factory-applied finish.

B. Clean upholster fabric.

C. Protect audience seating.

1. Replace damage materials.

END OF SECTION