Section 12 66 00 Telescoping Stands.pdf

CONVERT B32, BAYS F-G FOR FITNESS CENTER W91236-19-R-0023

DEFENSE SUPPLY CENTER RICHMOND (DSCR)

SECTION 12 66 00

TELESCOPING STANDS

11/12

PART 1 GENERAL

1.1 REFERENCES

The publications listed below form a part of this specification to the extent referenced. The publications are referred to in the text by basic designation only.

AMERICAN NATIONAL STANDARDS INSTITUTE (ANSI)

ICC/ANSI A117.1 (2003) Accessible and Usable Buildings and Facilities

AMERICAN WELDING SOCIETY (AWS)

AWS D1.1/D1.1M (2015; Errata 1 2015; Errata 2 2016) Structural Welding Code - Steel

AWS D1.3/D1.3M (2018) Structural Welding Code - Sheet Steel

ASTM INTERNATIONAL (ASTM)

ASTM A 1008/A 1008M (2010) Standard Specification for Steel, Sheet, Cold-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability, Solution Hardened, and Bake Hardened

ASTM A 1011/A 1011M (2010) Standard Specification for Steel, Sheet, and Strip, Hot-Rolled, Carbon, Structural, High-Strength Low-Alloy and High-Strength Low-Alloy with Improved Formability and Ultra-High Strength

ASTM A 36/A 36M (2008) Standard Specification for Carbon Structural Steel

ASTM A 500/A 500M (2010a) Standard Specification for Cold-Formed Welded and Seamless Carbon Steel Structural Tubing in Rounds and Shapes

ASTM A 501 (2007) Standard Specification for Hot-Formed Welded and Seamless Carbon Steel Structural Tubing

ASTM A 513 (2008a) Standard Specification for Electric-Resistance-Welded Carbon and Alloy Steel Mechanical Tubing

ASTM A 653/A 653M (2009a) Standard Specification for Steel

SECTION 12 66 00 Page 1

AMENDMENT 001

Sheet, Zinc-Coated (Galvanized) or Zinc-Iron Alloy-Coated (Galvannealed) by the Hot-Dip Process

ASTM B 221 (2008) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes

ASTM B 221M (2007) Standard Specification for Aluminum and Aluminum-Alloy Extruded Bars, Rods, Wire, Profiles, and Tubes (Metric)

ASTM D635 (2018) Standard Test Method for Rate of Burning and/or Extent and Time of Burning of Plastics in a Horizontal Position

ASTM D1929 (2016) Standard Test Method for Determining Ignition Temperature of Plastics

ASTM E84 (2018a) Standard Test Method for Surface Burning Characteristics of Building Materials

FOREST STEWARDSHIP COUNCIL (FSC)

FSC STD 01 001 (2000) Principles and Criteria for Forest Stewardship

INTERNATIONAL CODE COUNCIL (ICC)

ICC 300 (2012) Standard for Bleachers, Folding and Telescopic Seating, and Grandstands

NATIONAL FIRE PROTECTION ASSOCIATION (NFPA)

NFPA 102 (2011) Standard for Grandstands, Folding and Telescopic Seating, Tents, and Membrane Structures

1.2 RELATED DOCUMENTS

Drawings and general provisions of the Contract, including General and Supplementary Conditions and Division 01 Specification Sections, apply to this Section.

1.3 SUMMARY

Section includes wall-attached telescoping stands.

1.4 PERFORMANCE REQUIREMENTS

Delegated Design: Design telescoping stands, including comprehensive engineering analysis by a qualified professional engineer, using performance requirements and design criteria indicated.

Structural Performance: Telescoping stands shall withstand the effects of gravity loads and loads and stresses within limits and under conditions indicated according to ICC 300 and NFPA 102 .

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1.5 SUBMITTALS

Government approval is required for submittals with a "G" designation;

submittals not having a "G" designation are for information only. When used, a designation following the "G" designation identifies the office that will review the submittal for the Government. Submit the following in accordance with Section 01 33 00.00 06

SUBMITTAL PROCEDURES

SD-02 Shop Drawings

Telescoping Stands

For telescoping stands in both stacked and extended positions.

Include plans, elevations, sections, details, and attachments to other work.

SD-03 Product Data

Telescoping Stands

Include construction details, material descriptions, dimensions of individual components and profiles, and finishes.

SD-04 Samples

Decking Metal Components Seating

Samples for Initial Selection: For units with factory-applied finishes. Samples for Verification: For each type of exposed finish required. Samples to be 6 inch square of finished material, of each color and finish indicated.

Signage

Full-size units for row letters, each type of accessibility sign and custom graphics.

SD-05 Design Data

Delegated-Design Submittal Qualification Data

Delegated-Design submittal for telescoping stands indicated to comply with performance requirements and design criteria, including analysis data signed and sealed by the qualified professional engineer responsible for their preparation.

Qualification data for qualified Installer and professional engineer.

SD-07 Certificates

Welding Certifiicates Product Certificates

Product certificates for each type of fire-registrant

SECTION 12 66 00 Page 3 construction, from manufacturer.

SD-08 Manufacturer's Instructions

Precautions Maintenance

Precautions for cleaning materials and methods that could be detrimental to telescoping stand finishes and performance.

Methods for maintaining upholstery fabric.

SD-10 Operation and Maintenance Data

Telescoping Stands

Include precautions for cleaning materials and methods that could be detrimental to telescoping stand finishes and performance.

Provide methods for maintaining upholstery fabric.

1.6 QUALITY ASSURANCE

Installer Qualifications: Manufacturer's authorized representative who is trained and approved for installation of units required for this Project.

Forest Certification: Fabricate products with wood components produced from wood obtained from forests certified by an FSC-accredited certification body to comply with FSC STD 01 001 , "FSC Principles and Criteria for Forest Stewardship."

Welding Qualifications: Qualify procedures and personnel according to AWS D1.1/D1.1M , "Structural Welding Code - Steel," and AWS D1.3/D1.3M , "Structural Welding Code - Sheet Steel."

Standard: Provide telescoping stands to comply with ICC 300 and NFPA 102 .

Comply with regulatory requirements applicable provisions in the U.S.

Architectural & Transportation Barriers Compliance Board's ADA-ABA Accessibility Guidelines and ICC/ANSI A117.1 .

Build mockups to demonstrate aesthetic effects and set quality standards for fabrication and installation.

a. Build mockup of typical telescoping stand as shown on Drawings.

b. Approved mockups may become part of the completed Work if undisturbed at time of Substantial Completion.

Conduct preinstallation conference at Project site.

1.7 PROJECT CONDITIONS

Verify actual dimensions of openings and construction contiguous with telescoping stands by field measurements before fabrication. Verify locations of walls, columns, and other construction that will interface with operating telescoping stands.

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PART 2 PRODUCTS

2.1 MATERIALS

2.1.1 Steel

Structural-Steel Shapes, Plates, and Bars: ASTM A 36/A 36M .

Galvanized-Steel Sheet: ASTM A 653/A 653M , G90 (Z275) coating designation.

Uncoated Steel Sheet: ASTM A 1008/A 1008M , Designation CS (cold-rolled commercial steel), or ASTM A 1011/A 1011M , Designation CS (hot-rolled commercial steel).

Tubing: ASTM A 500/A 500M , cold formed; ASTM A 501 , hot formed; or ASTM A 513 , mechanical.

2.1.2 Extruded Aluminum

ASTM B 221 ( ASTM B 221M), alloy as standard for manufacturer.

2.1.3 Polyethylene Plastic

High-density polyethylene; molded, color-pigmented, textured, impact-resistant, structural formulation.

2.2 TELESCOPING STANDS

Operable systems of multiple-tiered seating on interconnected folding platforms that close, without being dismantled, into a nested stack for storing. Stand units permit opening and closing of adjacent rows, allow individual and collective rows to be locked open for use, and close with vertical faces of upper skirts on the same vertical plane.

Wall-Attached Telescoping Stands: Forward-folding system, in which the bleachers open in the forward direction by initially moving the front row away from the stack to the fully extended position, and the rear of bleacher understructure is permanently attached to wall construction.

See drawings for overall dimensions

Amendment 001****************************************************************

a. Rows: 4.

b. Rise per Row: 10 inches .

c. Row Depth: 224 inches .

d. Seat Height Above Tread: 6 inches

Operation: Manual.

****************************************************************Amendment 001

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2.3 COMPONENTS

2.3.1 Benches

Seats/Fascia Assembly:

a. Material: Continuous, molded UV-stabilized high-density polyethylene plastic, seat minimum 1 inch thick, textured finish, homogeneous color throughout; approximately 18 inch long sections independently removable with tongue-and-groove or rabbeted interlock at end joints.

b. Color: As selected from manufacturer's standard.

c. Bench Height: Not less than 16 inches or more than 18 inches .

d. Bench Depth: 12 inches .

e. Shape: Ergonomically contoured, with internal ribs spaced for natural flexibility; rear edge cantilevered to provide toe room of not less than 3 inches ; no openings to trap debris

f. Fire Retardance: Self-ignition temperature of 650 degrees F or greater when tested in accordance with ASTM D1929; smoke developed index of 450 or less, when tested in accordance with ASTM E84, or 75 or less when tested in thickness intended for use in accordance with ASTM D2843; and burning extent of 1 inch or less when tested in thickness intended for use in accordance with ASTM D635.

g. Provide end caps of same material and finish on each exposed end.

h. Supports: Internal steel reinforcement of each seat segment bolted to platform nose member; minimum two bolts per segment.

2.3.2 Wheelchair-Accessible Seating

Locate seating cutouts to provide wheelchair-accessible seating at locations indicated on Drawings.

a. Equip tiers adjacent to wheelchair-accessible seating with front rails as required by referenced safety standard.

b. Equip cutouts with full-width front closure panels that match decking construction and finish and that extend from underside of tiers adjacent to cutouts to 1-1/2 inches from finished floor.

Amendment 001****************************************************************

2.3.3 Deck

Aluminum Plywood :

a. Finish: Mill. 5/8 inch thick AC grade tongue and groove Southern Yellow Pine with clear urethane, high gloss finish.

b. Color: As selected by Architect from manufacturer's standard colors.

****************************************************************Amendment 001

SECTION 12 66 00 Page 6

2.3.4 Risers

Steel sheet with manufacturer's standard, rust-inhibiting coating or hot-dip galvanized finish.

2.3.5 Safety Rails

Round aluminum pipe or tube, with formed elbows at corners and caps at ends of straight runs.

Aluminum: 1.66 inches minimum outside diameter; natural anodized finish.

a. Removable mid-aisle handrails located at centerline of each vertical aisle with seating on both sides.

b. End rails (guards) that are telescoping and self-storing.

c. Back rails (guards) along rear of units where required by referenced safety standard.

d. Removable front rails (guards) along front of units where required by referenced safety standard.

e. Removable rails around accessible seating cutouts and truncations.

f. Removable, programming-support front rails to allow seating in upper rows while lower rows remain in the stored position.

g. Color: Black.

2.3.6 Understructure

Structural steel.

a. Finish: Manufacturer's standard rust-inhibiting finish.

b. Color: Manufacturer's standard.

2.3.7 Support Column Wheels

Steel or aluminum; manufacturer's standard wheeled carriages supporting each tier separately, with moving parts permanently lubricated and metal parts cushioned to prevent metal-to-metal contact during operation.

a. Include wheels of size, number, and design required to support stands and operate smoothly without damaging the flooring surface. Minimum 5 inch diameter by 1 1/8 inch wide, with non-marring rubber tires; ball, roller, or oil-impregnated metal bearings; minimum of 2 wheels at each floor support.

2.3.8 Fasteners

Vibration proof, in manufacturer's standard size and material.

2.4 ACCESSORIES

2.4.1 Steps

Slip-resistant, abrasive tread surfaces at vertical aisles.

SECTION 12 66 00 Page 7

Intermediate aisle steps, fully enclosed, at each vertical aisle.

Transitional top step, fully enclosed, at each vertical aisle where last row of telescoping stands is adjacent to a cross aisle.

Removable front steps, fully enclosed, at each vertical aisle, that engage with front row to prevent accidental separation or movement and are equipped with a minimum of four skid-resistant feet.

2.4.2 Closure and Fillers

Aisle closures at foot level that produce flush vertical face at aisles when system is stored.

Ends of retracted units to be vinyl curtain.

Top Row: Provide seat level rear filler panels to close openings between top row seat and wall; finish to match platforms.

Panels at cutouts and truncations for accessible seating.

Sides of extended units: vinyl curtain.

Vinyl Curtains: 18 ounce vinyl with grommets; color as selected from manufacturer's standard palette.

Amendment 001****************************************************************

2.4.3 Signage

Row letters at each row end.

Accessibility signs at each accessible space and accessible aisle seat.

Custom graphics as indicated on Drawings on face of bleachers when in folded position.

****************************************************************Amendment 001

2.4.4 Scorer's Table

8 feet wide by 15 inches deep; relocatable to any row of any section without mounting brackets.

2.5 FABRICATION

Fabricate understructure from structural-steel members in size, spacing, and form required to support design loads specified in referenced safety standard.

Weld understructure to comply with applicable AWS standards.

Round corners and edges of components and exposed fasteners to reduce snagging and pinching hazards.

Form exposed sheet metal with flat, flush surfaces, level and true in line, and without cracking and grain separation.

SECTION 12 66 00 Page 8

Seating Supports: Fabricate supports to withstand, without damage to components, the forces imposed by use of stands without failure or other conditions that might impair the usefulness of seating units.

a. Cantilever bench seat supports to produce toe space uninterrupted by vertical bracing.

PART 3 EXECUTION

3.1 EXAMINATION

Examine areas where telescoping stands are to be installed, with Installer present, for compliance with requirements for installation tolerances and other conditions affecting performance of the Work.

Proceed with installation only after unsatisfactory conditions have been corrected.

3.2 INSTALLATION

Install telescoping stands to comply with referenced safety standard and manufacturer's written instructions. Do not field cut or alter seats, fascia, or structural members without approval.

3.3 ADJUSTING AND CLEANING

On completion of installation, lubricate, test, and adjust each telescoping stand unit so that it operates according to manufacturer's written operating instructions.

Clean installed telescoping stands on exposed and semi-exposed surfaces.

Touch up shop-applied finishes or replace components as required to restore damaged or soiled areas.

Protect installed products until completion of project. Touch-up, repair, or replace damaged products before Date of Substantial Completion.

3.4 DEMONSTRATION

Engage a factory-authorized service representative to train Owner's maintenance personnel to adjust, operate, and maintain telescoping stands.

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2.5 FABRICATION