GLADWIN HIGH SCHOOL ALTERNATE BLEACHER SPECIFICATIONS.docx
DOCX document 14 KB Posted
- Attached to
- Stadium Bleachers
- Solicitation number
- RFP - GLAD - 240000000276
- Issued by
- Gladwin County, Michigan
About this file
This document is the specifications for a stadium bleacher project for Gladwin High School in Gladwin County, Michigan. The project calls for the design and fabrication of two 10-row by 21-foot elevated bleacher units connected to the existing home bleachers, as well as a 5-row fill-in bleacher where the old press box was located. The bleachers must meet specific requirements, including welded galvanized steel angle frames, aluminum understructure, 6-foot wide by 30-inch high elevated front walkway, semi-closed decking system, 8-inch rise and 24-inch spacing, anodized aluminum benches and risers, mill-finish aluminum foot planks, one wheelchair ramp with 8 wheelchair spaces, and two stair units. The manufacturer must be Southern Bleacher Company and meet certain qualifications, including a minimum of 5 years of experience in the design, manufacture, and installation of bleachers/grandstands, and the completion of 5 similar projects within the State of Michigan in the last 3 years.
The document outlines the specific materials, finishes, and fabrication requirements for the bleachers, including the use of galvanized steel, extruded aluminum, and various hardware and accessory components. It also specifies the design loads for the bleachers, which must comply with the IBC-2012 and Illinois Accessibility Code. The installation of the bleachers must be performed in accordance with the manufacturer's installation procedures.
View the file
Other files
| File | Type | Posted |
|---|---|---|
| Gladwin HS - PRESS BOX spec (1).docx | DOCX document | |
| Gladwin HS Bid Drawing 10-24-23.pdf | ||
| GLADWIN GRANDSTAND SPECIFICATIONS - 10-24-23.docx | DOCX document | |
| Main Press Box.pdf | ||
| Base Bid Design.pdf | ||
| Coaches Pressbox.pdf | ||
| GLADWIN HIGH SCHOOL PRESSBOX SPECIFICATION.docx | DOCX document | |
| Gladwin Press Box Drawing.pdf |
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Text version
SECTION 13124
GLADWIN HIGH SCHOOL
ALTERNATE HOME FOOTBALL BLEACHERS
ELEVATED STEEL ANGLE FRAME BLEACHERS
PART 1 - GENERAL
1.01 SYSTEM DESCRIPTION
A. Design and fabrication of a welded steel angle frame type bleacher B. Minimum Criteria:
| a. Two (2) 10 Row x 21' elevated bleacher(s) connected to existing Home Bleacher and | One (1) 5 Row fill in where old press box existed as shown on drawings | |
| b.Welded galvanized steel angle frames. Aluminum understructure is specifically | prohibited | |
| c. 6 ft. wide x 30 in. high elevated front walkway. | ||
| d. Semi-closed decking system. | ||
| e. 8 in. rise, 24 inch spacing | ||
| f. Anodized aluminum benches and risers | ||
| g. Mill-finish aluminum foot planks | ||
| h. One Portal wheelchair ramp with 8 wheelchair spaces |
I. Two stair units as shown.
j. Design of 4 inch thick concrete slab
1.02 QUALITY ASSURANCE
A. Manufacturer: Southern Bleacher Company, P. O. Box One, Graham, Texas 76450 U.S.A., (800) 433-0912 or (940) 549-0733. Fax: (940) 549-1365.
B. Manufacturer Qualifications: Manufacturer Qualifications: Manufacturers must prove to have contracted and provided the design, manufacture, and installation of bleachers/grandstands as current business organization for a minimum of 5 years; welders must be AWS certified; manufacturing capability according to various code compliances. Qualified bidders must provide list of 5 projects of similar size and scope completed within the State of Michigan within the last 3 years. Must be AISC certified.
C. Source Quality Control: Mill Test Certification.
1.03 BUILDING CODES
A. Design to comply with IBC-2012 and Illinois Accessibility Code
1.04 WARRANTY
Southern Bleacher warrants its Frame-Type Bleacher to be free from defect in material and workmanship in the course of manufacturing for a period of one year beginning at Date of Substantial Completion for Projects installed by Southern Bleacher, beginning at Date of Initial Delivery of Product for Projects installed by others. This warranty excludes defects resulting from abnormal use, accidental or intentional damage, or any occurrences beyond Southern Bleacher’s control.
PART 2 - PRODUCTS
2.01 ACCEPTABLE MANUFACTURER
A. Southern Bleacher Company, Welded angle frame bleacher, basis of design
2.02 FRAME-TYPE BLEACHERS
A. Product Description
| 1. | Silver Edition Elevated Frame-Type Bleachers: |
| a. | Rise and Depth Dimensions: Vertical rise and horizontal depth per row: 8 inches x 24 inches. Seat is 17 inches above its respective tread. |
| b. | Framework: Prefabricated welded galvanized steel angle bleacher frames are spaced at 6-foot intervals and connected by cross braces. |
| c. | Seats: Nominal 2 x 10 anodized aluminum plank with 2 x 10 anodized end caps. |
| d. | Treads: Two nominal 2 x 11 mill aluminum planks with 2 x 11 anodized end caps. |
| e. | Riser & Front Facade planks to be aluminum alloy 6063-T6. Kynar painted from manufacturer's standard colors. Powder coating is unacceptable unless it carries a 15 year no fade warranty. |
| f. | Guard Railing: Two lines of aluminum tube with Black vinyl clad chain link 42 inches above seat on both sides of bleacher and across back of bleacher. Front rail, 3 line with chain link 42 inches above front walk. |
| g. | Entry Steps: Frames with 2 x 12 mill aluminum plank with step closure, contrasting aluminum stair nose and 2 line rail 36 inches above nose of step. Handrails shall extend in the direction of the exit steps 12 inches beyond the end of the steps. Ends shall terminate in newel posts. |
| h. | Front Walkway: 30-inch elevation and 68-inch clear width. |
| i. | Aisle: Aisle to be 4’ 6” wide with 34” high handrail and intermediate rail at approximately 22” above tread. Handrails with rounded ends are discontinuous to allow access to seating through a 24” wide space. Aluminum tread nosing of contrasting color on aisle steps. |
| 2. | Options : | ||||
| a. | Wheelchair Area: Double Wheelchair area to be 5’ 6” wide and 33" deep.. | ||||
| b. | Ramp: | ||||
| (1) | Slope: 1 in 12. | ||||
| (2) | Guardrailing: Aluminum tube 36 inches above ramp tread with intermediate rail at 20 inches. Railing shall be continuous the full length of the ramp, and shall extend in the direction of the ramp 12 inches beyond the end of the ramp, returning to end at a newel post. Include Black vinyl clad chain link fence. |
B. Materials/Finishes
1. Framework:
a. Galvanized Steel: Structural fabrication with ASTM-A529 steel. Shop connections are seal welded. After fabrication, all steel is hot-dipped galvanized to ASTM-A123 specification.
| 2. | Extruded Aluminum: |
| a. | Seat Planks, Riser Planks, Step Closures: Extruded aluminum alloy 6063-T6, clear anodized 204R1, AA-M10C22A31, Class II, and a wall thickness of .094”. Risers to be Kynar painted from standard colors |
| b. | Tread Planks: Extruded aluminum alloy 6063-T6, mill finish and wall thickness of .094”. |
| 3. | Accessories: | |
| a. | Channel End Caps: Aluminum alloy 6063-T6, clear anodized 204R1, AA-M10C22A31, Class II. | |
| b. | Hardware: | |
| (1) | Bolts, Nuts: Hot-dipped galvanized or plated. | |
| (2) | Hold-Down Clip Assembly: Aluminum alloy 6061-T6. | |
| c. | Guardrailing: Anodized aluminum tube 1-5/8” O.D. with Black vinyl clad chain link fence | |
| d. | Handrails: Anodized aluminum tube 1-5/8” O.D. | |
| e. | Crossbraces: Extruded aluminum angle alloy 6061-T6, mill finish. | |
| f. | Aisle Nose and Stair Nose: Aluminum alloy, 6063-T6, black powder coat finish. |
| C. | Fabrication | ||
| 1. | Design Load: | ||
| a. | Live Load: 100 psf gross horizontal projection | ||
| b. | Lateral Sway Load: 24 plf seat plank | ||
| c. | Perpendicular Sway Load: 10 plf seat plank | ||
| d. | Live Load of Seat and Tread Plank: 120 plf | ||
| e. | Guardrail: 100 plf vertical and 50 plf horizontal. |
| 2. | All connections made in shop to be shop welded. | ||
| a. | Manufactured by certified welders conforming to AWS Standards. |
PART 3 - EXECUTION
3.01 INSTALLATION
A. Install bleacher unit in accordance with manufacturer’s installation procedures.
Specs: Silver-E Frame-Type (11/99)
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