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GT Grandstands, Inc. Grandstands and Bleachers
 
         
SECTION 13125
 
         
GRANDSTANDS AND BLEACHERS
 
         
For best results, display hidden notes to specifier.
          ** NOTE TO SPECIFIER ** GT Grandstands Inc.; Grandstands and Stadium Seating.
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This section is based on the products of GT Grandstands Inc., which is located at:
2810 Sydney Road.
Plant City, FL 33566.
Tel: (813)-305-1415.
Fax: (813)-305-1419.
Email: info@gtgrandstands.com.
www.gtgrandstands.com.
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GT Grandstands is a leading designer/manufacturer of grandstands and bleachers for all applications of spectator seating. We offer a wide range of standard products to meet all of your seating needs. If a standard design does not meet your special needs, we can custom build your seating to meet your exact requirements. All of our products offer outstanding quality at a very competitive price.
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SECTION 13125 - GRANDSTANDS AND BLEACHERS, Copyright 2005, ARCAT, Inc.
 
          PART 1GENERAL
 
          1.1SECTION INCLUDES
          ** NOTE TO SPECIFIER ** Delete items not required for project.
 
          A.Angle Frame Bleachers.
 
          B.Permanent Grandstands.
 
          C.Stadium Seating.
 
          D.Press Boxes.
 
          E.Team Benches.
 
          1.2RELATED SECTIONS
 
          A.Section 03050 - Basic Concrete Materials and Methods.
 
          B.Section 03300 - Cast-In-Place Concrete.
 
          C.Section 03200 - Concrete Reinforcement.
 
          1.3REFERENCES
          ** NOTE TO SPECIFIER ** Delete references from the list below that are not actually required by the text of the edited section.
 
          A.ASTM A36 - Carbon Structural Steel.
 
          B.ASTM A123/A123M-02 - Zinc (Hot-Dip Galvanized) Coatings on Iron and Steel Products.
 
          C.ASTM A307-04 - Carbon Steel Bolts and Studs, 60,000 PSI Tensile Strength.
 
          1.4SUBMITTALS
 
          A.Submit under provisions of 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.
          4.Available colors, styles, and textures.
 
          C.Shop Drawings:
          1.Submit manufacturer's shop drawings showing product dimensions, rough-in dimensions, trim and accessories.
          2.Submit manufacturers drawings showing installation details and locations of each unit specified.
          3.Material Samples: Submit samples of each product specified, depicting the appropriate style and color.
 
          1.5QUALITY ASSURANCE
 
          A.Single Source Responsibility: Single manufacturer shall provide all components required to install the products specified in this section.
 
          B.Manufacturers Qualifications: Manufacturers must have five years of experience in the manufacturing of bleachers and grandstands of the type specified.
 
          C.Installer Qualifications: Factory-trained and experienced in the proper installation of bleachers and grandstands.
 
          D.Welders: AWS certified.
 
          1.6DELIVERY, STORAGE, AND HANDLING
 
          A.Deliver materials to site with manufacturer's labels clearly identifying the products and contractor or fabricator.
 
          B.Store materials in a clean, dry area, away from exposure to the weather until they are ready for installation.
 
          C.Protect materials while handling to avoid damage during installation.
 
          1.7SITE CONDITIONS
 
          A.Owner shall furnish soil tests as necessary to determine suitability for installation.
 
          B.Owner shall clearly mark all underground utilities and notify the appropriate parties prior to work commencement.
 
          C.Proceed with work only when current or forecasted weather allows.
 
          1.8WARRANTY
 
          A.Provide manufacturer's standard warranty affirming that products specified in this section shall be free from defects in material and workmanship under normal use provided they are installed in accordance with all current application requirements.
          ** NOTE TO SPECIFIER ** Delete warranty duration not specified. Five year duration only for Universal, Carolina, or standard series bleacher.
          1.One (1) year.
          2.Five (5) years.
 
          PART 2PRODUCTS
 
          2.1MANUFACTURERS
 
          A.Acceptable Manufacturer: GT Grandstands, Inc., which is located at: 2810 Sydney Rd. ; Plant City, FL 33566; Toll Free Tel: 866-550-5511; Tel: 813-305-1415; Fax: 813-305-1419; Email: request info; Web: www.gtgrandstands.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.
          ** NOTE TO SPECIFIER ** Angle Frame Bleachers; delete entire article if no angle frame bleachers are required. Select types required, delete others as necessary.
 
          2.2ANGLE FRAME BLEACHERS
 
          A.GT Grandstands Inc. Universal Series Angle Frame Bleachers: Cost effective, maintenance-free bleacher with continuous 12 inch (305 mm) wide seat plank, 6 inch (152 mm) rise per row, and 12" (305 mm) front row seat height designed to eliminate aisles and conform to local building codes.
          1.Planking material: 6063 T-6 aluminum alloy consisting of anodized 2" x 12" seat plank, single 2" x 10" mill finish tread plank per row, and single 1" x 6" anodized riser at top row of 5 row units only.
          ** NOTE TO SPECIFIER ** Select frame material; delete one of the next two paragraphs.
          2.Frame material: 6061 T-6 aluminum alloy angle.
          3.Frame material: ASTM A36 galvanized steel angle.
          ** NOTE TO SPECIFIER ** Select number of rows; delete two of the next three paragraphs. Guard Rail required if five row model is specified.
          4.Three rows high with a 24 inch (610 mm) top seat height.
          5.Four rows high with a 30 inch (762 mm) top seat height.
          6.Five rows high with a 36 inch (914 mm) top seat height.
          ** NOTE TO SPECIFIER ** Select length; delete two of the next three paragraphs.
          7.Length: 15 feet (4582 mm) with 10 seats per row.
          8.Length: 21 feet (6401 mm) with 14 seats per row.
          9.Length: 27 feet (8230 mm) with 18 seats per row.
          ** NOTE TO SPECIFIER ** Guard Rail system. Delete both of the next two paragraphs if three or four row bleacher is specified. Delete one of the next two paragraphs if five row bleacher is specified.
          10.Guard Rail: Chain link system. 1 5/8 inch (41 mm) outside diameter anodized aluminum tube with end caps. Railings to be 42 inches (1067 mm) high, located at all sides and long the back when bleachers are 30 inches (762 mm) above grade. 9 gauge galvanized chain link mesh fastened in place with galvanized hardware.
          11.Guard Rail: Vertical picket system. 1 1/2 inch x 1 1/2 inch (38 mm x 38 mm) top and bottom members with 3/4 inch x 3/4 inch (19 mm x 19 mm) square vertical pickets welded in place to reject the passage of a 4 inch (102 mm) sphere. All tubing to be mill finish 1/8 inch (3 mm) square aluminum stock. Railing tops to be 42 inches (1067 mm) high, located at all sides and along the back when bleachers are 30 inches (762 mm) above grade.
          ** NOTE TO SPECIFIER ** Delete the next paragraph if no tow package is required.
          12.Towing package included.
 
          B.GT Grandstands Inc. Carolina Series Angle Frame Bleachers: Cost-effective, maintenance-free bleacher with continuous 12 inch (305 mm) wide seat plank, 6 inch (152 mm) rise per row, and 12" (305 mm) front row seat height designed to eliminate aisles and comply with ADA and local building code requirements.
          1.Planking material: 6063 T-6 aluminum consisting of anodized 2" x 12" seat plank, single 2" x 10" mill finish tread plank per row, and single 1" x 6" anodized riser at top row of 5 row units only.
          ** NOTE TO SPECIFIER ** Select frame material; delete one of the next two paragraphs.
          2.Frame material: 6061 T-6 aluminum alloy angle.
          3.Frame material: ASTM A36 galvanized steel angle.
          ** NOTE TO SPECIFIER ** Select number of rows; delete two of the next three paragraphs. Guard Rail required if five row model is specified.
          4.Three rows high with a 24 inch (610 mm) top seat height.
          5.Four rows high with a 30 inch (762 mm) top seat height.
          6.Five rows high with a 36 inch (914 mm) top seat height.
          ** NOTE TO SPECIFIER ** Select length; delete five of the next six paragraphs.
          7.Length: 15 feet (4582 mm) with 10 seats per row (7 seats in the first two rows and one wheelchair bay - 3 row unit).
          8.Length: 15 feet (4582 mm) with 10 seats per row (6 seats in the first two rows and two wheelchair bays - 4 or 5 row units).
          9.Length: 21 feet (6401 mm) with 14 seats per row (10 seats in the first two rows with two wheelchair bays - 3 or 4 row units).
          10.Length: 21 feet (6401 mm) with 14 seats per row (7 seats in the first two rows with four wheelchair bays - 5 row unit).
          11.Length: 27 feet (8230 mm) with 18 seats per row (14 seats in the first two rows with two wheelchair bays - 3 row unit).
          12.Length: 27 feet (8230 mm) with 18 seats per row (11 seats in the first two rows with four wheelchair bays - 4 row or 5 row unit).
          ** NOTE TO SPECIFIER ** Guard Rail system. Delete both of the next two paragraphs if three or four row bleacher is specified. Delete one of the next two paragraphs if five row bleacher is specified.
          13.Guard Rail: Chain link system. 1 5/8 inch (41 mm) outside diameter anodized aluminum tube with end caps. Railings to be 42 inches (1067 mm) high, located at all sides and long the back when bleachers are 30 inches (762 mm) above grade. 9 gauge galvanized chain link mesh fastened in place with galvanized hardware.
          14.Guard Rail: Vertical picket system. 1 1/2 inch x 1 1/2 inch (38 mm x 38 mm) top and bottom members with 3/4 inch x 3/4 inch (19 mm x 19 mm) square vertical pickets welded in place to reject the passage of a 4 inch (102 mm) sphere. All tubing to be mill finish 1/8 inch (3 mm) square aluminum stock. Railing tops to be 42 inches (1067 mm) high, located at all sides and along the back when bleachers are 30 inches (762 mm) above grade.
 
          C.GT Grandstands Inc. Standard Series Angle Frame Bleachers: Cost-effective, maintenance-free bleacher with an aisle, continuous 10 inch (305 mm) wide seat plank on either side, 8 inch (203 mm) rise per row, and 16 inch (406 mm) front row seat height. Conforms with local building code requirements.
          1.Planking material: 6063 T-6 aluminum consisting of 2" x 10" anodized seat plank, (2) 2" x 10" mill finish tread planks per row, single 1" x 6" anodized riser planks per row starting at second row, and (2) 1" x 6" anodized riser planks at top row. Planking is arranged to prevent passage of 4" sphere.
          ** NOTE TO SPECIFIER ** Select frame material; delete one of the next two paragraphs.
          2.Frame material: 6061 T-6 aluminum alloy angle.
          3.Frame material: ASTM A36 galvanized steel angle.
          ** NOTE TO SPECIFIER ** Select number of rows; delete two of the next three paragraphs.
          4.Five rows high with a 48 inch (1219 mm) top seat height.
          5.Ten rows high with an 88 inch (2235 mm) top seat height.
          6.Fifteen rows high with a 128 inch (3251 mm) top seat height.
          ** NOTE TO SPECIFIER ** Select length; delete two of the next three paragraphs.
          7.Length: 15 feet (4582 mm) with 7 seats per row (10 seats in the back row).
          8.Length: 21 feet (6401 mm) with 11 seats per row (14 seats in the back row).
          9.Length: 27 feet (8230 mm) with 15 seats per row (18 seats in the back row).
          ** NOTE TO SPECIFIER ** Guard Rail system; delete one of the next two paragraphs.
          10.Guard Rail: Chain link system. 1 5/8 inch (41 mm) outside diameter anodized aluminum tube with end caps. Railings to be 42 inches (1067 mm) high, located at all sides and long the back when bleachers are 30 inches (762 mm) above grade. 9 gauge galvanized chain link mesh fastened in place with galvanized hardware.
          11.Guard Rail: Vertical picket system. 1 1/2 inch x 1 1/2 inch (38 mm x 38 mm) top and bottom members with 3/4 inch x 3/4 inch (19 mm x 19 mm) square vertical pickets welded in place to reject the passage of a 4 inch (102 mm) sphere. All tubing to be mill finish 1/8 inch (3 mm) square aluminum stock. Railing tops to be 42 inches (1067 mm) high, located at all sides and along the back when bleachers are 30 inches (762 mm) above grade.
          ** NOTE TO SPECIFIER ** Delete the next paragraph if no tow package is required.
          12.Towing package included.
          ** NOTE TO SPECIFIER ** Permanent Grandstands; delete entire article if no permanent grandstands are required.
 
          2.3PERMANENT GRANDSTANDS
 
          A.GT Grandstands Inc Permanent Grandstands: Custom built seating designed around specific applications, traffic patterns and capacity.
          1.Grandstand Size:
          ** NOTE TO SPECIFIER ** Enter grandstand dimensions required.
          a.Number of Rows:____________.
          b.Length of Grandstand: ________ feet.
          c.Net Seating Capacity: _________ seats.
          d.Front Walkway Width: _________ feet.
          e.Front Walkway Elevation: _________feet.
          ** NOTE TO SPECIFIER ** Construction type; delete two of the next three paragraphs.
          2.Clear span, I-beam construction with 18 feet (5486 mm) on center vertical columns. Transverse bays remain free of crossbracing over the length of the grandstand.
          3.H-frame construction with angled vertical columns placed 6 feet (1829 mm) on center laterally, and as necessary from front to back.
          4.Continuous angle frame construction with framing spaced at 6'-0" on center laterally and are joined by crossbracing as required to satisfy design loading.
          ** NOTE TO SPECIFIER ** Seating type; delete two of the next three paragraphs.
          5.Seating: Individual folding chair seating.
          6.Seating: 12 inch nominal (295 mm) contour seats with backrests.
          7.Seating: 12 inch nominal (295 mm) wide continuous bench seating.
          8.Seating: 10 inch nominal (248 mm) seats with backrests.
          9.Seating: 10 inch nominal (248 mm) continuous bench seating.
          ** NOTE TO SPECIFIER ** Decking type; delete two of the next three paragraphs.
          10.Decking/planking: 6063 T-6 aluminum alloy, semi-closed deck arrangement consisting of various extrusions to prevent passage of 4" sphere.
          11.Decking/planking: 6063 T-6 aluminum alloy, closed deck arrangement consisting of various extrusions to completely close the deck. Seats to be mounted using tread or riser mounted aluminum brackets.
          12.Decking/planking: 6063 T-6 aluminum alloy, interlocking deck arrangement consisting of various extrusions to completely close the deck.
          a.Tread planks interlock lengthwise and form a "V" shaped interlocking channel and gutter system running the length of the planks.
          b.Nose planks feature an extruded channel to receive the riser plank. Heel planks shall have a lip at the back to allow the overlapping of the riser plank.
          c.Heel and nose planks contain an extruded channel to allow the attachment of the seat brackets, intermediate aisle steps.
          d.Non-penetrating aisle handrails. No bolting of any kind through the aluminum deck.
          ** NOTE TO SPECIFIER **Secondary Gutters - Delete the next three paragraphs if not required. Secondary gutters are only used if the interlocking deck system is specified.
          13.Secondary Gutters:
          a.At all vertical plank joints a secondary gutter shall be provided below the aluminum deck that will allow fluids to be collected and flow to the front of the grandstand.
          b.Secondary gutters shall be placed on the flange of the structural steel stringers, which are spaced at a maximum of 12" apart and shall terminate at end of stringers.
          c.Owner is responsible for collection and routing of runoff from the secondary gutters.
          ** NOTE TO SPECIFIER ** Decking rise; delete three of the next four paragraphs.
          ** NOTE TO SPECIFIER ** Decking rise; the next three paragraphs only apply if Clear span, I-Beam or H-frame construction is specified.
          14.Decking rise: 8 inches (203 mm).
          15.Decking rise: 9 3/4 inches (248 mm).
          16.Decking rise: 11 1/4 inches (286 mm).
          17.Decking rise: 13 1/4 inches (337 mm).
          ** NOTE TO SPECIFIER ** Tread Depth; delete three of the next four paragraphs.
          ** NOTE TO SPECIFIER ** Decking rise; the next three paragraphs only apply if Clear span, I-Beam or H-frame construction is specified.
          18.Tread depth: 24 inches (607 mm).
          19.Tread depth: 26 inches (660 mm).
          20.Tread depth: 30 inches (762 mm).
          21.Tread depth: 33 inches (838 mm).
          22.Guard Rail: Chain link system. 1 5/8 inch (41 mm) outside diameter anodized aluminum tube with end caps. Railings to be 42 inches (1067 mm) high, located at all sides and long the back when bleachers are 30 inches (762 mm) above grade. 9 gauge galvanized chain link mesh fastened in place with galvanized hardware.
          23.Structural hardware: Meeting or exceeding requirements of ASTM A307.
          24.Entry stairs to be anchored to poured concrete bases.
          a.Stair rise: Maximum of 7 inches.
          b.Stair tread: Minimum of 11 inches with a contrasting nosing strip.
          c.Guard Rail: 42 inches above the leading edge of step with same construction as specified for the grandstand.
          d.Handrails: Anodized handrails and handrail extensions shall be no less than 34 inches or more than 38" above the nosing of the treads or landings. Handrails shall be continuous with an obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom riser and 12 inches beyond the top riser in the direction of travel. Handrail ends shall be returned or terminate in newel posts or safety terminals.
          25.Ramps to be anchored to poured concrete bases provided in accordance with Section 03300.
          a.Slope: 1:12 maximum
          b.Guard Rail: 42 inches above the leading edge of step with the same construction as specified in the Guard Rails specification section.
          c.Handrails: Anodized handrails and handrail extensions shall be no less than 34 inches or more than 38" above the nosing of the treads or landings. Handrails shall be continuous with an obstructed handgrip area the full length of the stair. Handrails shall extend 12 inches beyond the bottom of the ramp and 12 inches beyond the top of the ramp in the direction of travel. Handrail ends shall be returned or terminate in newel posts or safety terminals.
          26.Aisles
          a.Minimum Width: 48 inches for interior aisles and 36 inches for end aisles unless larger aisles are required by the applicable local code.
          b.Aisles with seating on both sides must have a 34-38 inch high handrail with intermediate rail at approximately 22 inches above the tread.
          c.Aisle tread nosing shall have a contrasting color.
          d.Intermediate aisle steps: If required by the applicable code, shall be used to provide equal rise and run throughout the aisle. Each shall have an contrasting nosing.
          27.Accessible Seating:
          a.Provide wheel chair spaces as required by the ADA.
          b.Any adjacent riser area to be closed using intermediate construction.
          ** NOTE TO SPECIFIER ** Stadium Seating; delete the following article if no stadium seating is required. Select types required, delete others as necessary.
 
          2.4STADIUM SEATING
 
          A.Series 100 Aluminum Standing Chair.
          ** NOTE TO SPECIFIER ** Chair width; delete four of the next five paragraphs.
          1.Chair width: 18 inches (457 mm).
          2.Chair width: 19 inches (483 mm).
          3.Chair width: 20 inches (508 mm).
          4.Chair width: 21 inches (533 mm).
          5.Chair width: 22 inches (559 mm).
          6.Seat back: Two formed serrated slats 3 7/8 inches (99 mm) wide with 2 inch (51 mm) spacing between.
          7.Seat bottom: Five formed serrated slats 2 1/4 inches (57 mm) wide.
          ** NOTE TO SPECIFIER ** Seat lift mechanism; delete one of the next two paragraphs.
          8.Manual seat lift mechanism.
          9.Self-rising seat mechanism.
 
          B.Series 300 Aluminum Standing Chair.
          ** NOTE TO SPECIFIER ** Chair width; delete four of the next five paragraphs.
          1.Chair width: 18 inches (457 mm).
          2.Chair width: 19 inches (483 mm).
          3.Chair width: 20 inches (508 mm).
          4.Chair width: 21 inches (533 mm).
          5.Chair width: 22 inches (559 mm).
          6.Seat back: Contoured back rest with optional arm rest.
          7.Seat bottom: Three formed serrated slats attached to form contoured seat.
          ** NOTE TO SPECIFIER ** Seat lift mechanism; delete one of the next two paragraphs.
          8.Manual seat lift mechanism.
          9.Self-rising seat mechanism.
 
          C.Bench Seating.
          ** NOTE TO SPECIFIER ** Bench planks; delete two of the next three paragraphs.
          1.Planks: 2 inch x 10 inch (51 mm x 254 mm) anodized aluminum.
          2.Planks: 2 inch x 12 inch (51 mm x 305 mm) anodized aluminum.
          3.Planks: 2 inch x 12 inch (51 mm x 305 mm) contoured anodized aluminum.
          ** NOTE TO SPECIFIER ** Back rests; delete one of the next two paragraphs.
          4.Continuous back rest: 7 inch (178 mm) wide panel with support stanchions every 27 inches (1829 mm).
          5.Dish contoured back rest: 6 inch (152 mm) wide with support stanchions at every seat.
          ** NOTE TO SPECIFIER ** Arm rests; delete if not specified.
          6.Arm rests at every seat.
          ** NOTE TO SPECIFIER ** Mounting brackets; delete two of the next three paragraphs.
          7.Mounting brackets: Riser mounted "T" or "L" bracket.
          8.Mounting brackets: Tread mounted "Z" bracket.
          9.Mounting brackets: Floor mounted "Bulb T" bracket.
          10.Accessories and Hardware: End caps, clips and mounting hardware to match finish of seating.
          ** NOTE TO SPECIFIER ** Press boxes; delete entire article if no press boxes are required.
 
          2.5PRESS BOXES
 
          A.GT Grandstands Inc. Press Boxes.
          1.Size: ______ feet x ______ feet (______ m x ______ m).
          ** NOTE TO SPECIFIER ** Framing method; delete one of the next two paragraphs.
          2.Framing: Wood framing.
          3.Framing: Metal stud framing.
          ** NOTE TO SPECIFIER ** Exterior siding; delete one of the next two paragraphs.
          4.Siding: Vertical vinyl siding.
          5.Siding: Steel rib.
          6.Color: __________.
          ** NOTE TO SPECIFIER ** Select options from list below, delete options not required.
          7.Camera deck: With roof access hatch and code compliant railing.
          8.Security shutters: Roll up steel shutter system for all windows.
          9.Finished interior: Wall paneling, laminate countertop, and carpeted floor.
          10.HVAC unit: Electric heating and cooling unit. Size determined by size of press box.
          ** NOTE TO SPECIFIER ** Team benches; delete entire article if not required for this project.
 
          2.6TEAM BENCHES
 
          A.GT Grandstands Inc. Team Benches.
          ** NOTE TO SPECIFIER ** Series; delete two of the next three paragraphs.
          1.Spartan Series: 2 inch x 10 inch (51 mm x 254 mm) flat bench seat.
          2.Titan Series: 2 inch x 10 inch (51 mm x 254 mm) flat bench seat with 7 inch (178 mm) wide back rest.
          3.Olympian Series: 12 inch (305 mm) contoured bench seat with 7 inch (178 mm) wide back rest.
          ** NOTE TO SPECIFIER ** Bench length; delete two of the next three paragraphs.
          4.Length: 78 inches (2291 mm).
          5.Length: 15 feet (4582 mm).
          6.Length: 21 feet (6401 mm).
          ** NOTE TO SPECIFIER ** Select frame material; delete two of the next three paragraphs.
          7.Frame material: 6061 T-6 aluminum alloy angle.
          8.Frame material: ASTM A36 galvanized steel angle.
          9.Frame material: 1 5/8 inch (42mm) O.D. ASTM-A120 schedule 40 steel pipe, hot-dipped galvanized after fabrication (in-ground mount only).
          ** NOTE TO SPECIFIER ** Mounting; delete one of the next two paragraphs. In ground only available with galvanized frame
          10.Mounting: Surface mounting.
          11.Mounting: In-ground mounting.
 
          2.7FABRICATION
 
          A.Design Loads.
          1.Live load: 100 psf gross horizontal projection.
          2.Lateral sway load: 24 plf seat planks.
          3.Perpendicular sway load: 10 plf seat planks.
          4.Live load, seat and tread planks: 120 plf.
          5.Guard Rail load:
          a.Vertical load: 100 plf.
          b.Horizontal load: 50 plf.
          c.Point load: 200 pounds.
          6.Wind load: Per local building code.
 
          B.Material/Finishes:
          1.Substructures:
          a.Structural fabrication with ASTM A36 steel.
          b.Shop connections are seal welds.
          c.After fabrication all steel is hot-dipped galvanized to ASTM A123
          2.Seating/Planking:
          a.Seat planks, backrest, riser planks and railing are extruded aluminum alloy 6063-T6. Clear anodized 204R1, AA-M10C22A31, Class II.
          b.Tread Planks: Extruded aluminum alloy, 6063-T6 mill finish.
          c.Joint Sleeve Assembly: Extruded aluminum alloy, 6063-T6 mill finish.
          3.Accessories:
          a.Channel End Caps: Aluminum alloy, 6063-T6, clear anodized 204R1, AA-M10C22A31, Class II.
          b.Aisle and Stair Nosing: Extruded aluminum alloy 6063-T6, non-skid black powder coated finish.
          4.Hardware:
          a.Bolts, Nuts: Hot-dipped galvanized.
          b.Tie-Down Clip: Aluminum alloy 6061-T6.
          c.Structural Hardware: Meeting or exceeding the requirements of ASTM-A307. No connections utilizing high strength bolts are classed as slip critical.
          d.Concrete foundations and anchor bolts: See Section 03300.
 
          C.Factory Connections.
          1.All connections made in shop to be welded using tools and techniques appropriate to the metal used.
 
          PART 3EXECUTION
 
          3.1EXAMINATION
 
          A.Do not begin installation until substrates have been properly prepared.
 
          B.Examine all soils and footings to ensure solid and secure footings.
 
          3.2PREPARATION
 
          A.Clean surfaces thoroughly prior to installation.
 
          B.Install concrete footings at all locations at all locations noted on the drawings and allow to sufficiently cure prior to installation.
 
          C.Grade surrounding landscape prior to installation of benches or grandstands.
 
          D.Prepare surfaces using the methods recommended to achieve the best result based on project conditions.
 
          3.3INSTALLATION
 
          A.Follow all current application requirements for installation under conditions specific to the project.
 
          B.Where manufacturer's requirements and building codes are in direct conflict, the more restrictive method of application shall prevail.
 
          3.4PROTECTION
 
          A.Protect installed products until completion of project.
 
          B.Touch-up, repair or replace damaged products before Substantial Completion.
 
         
END OF SECTION