About this file

This is a product specification document issued by the Louisiana Department of Transportation and Development (DOTD) for extruded aluminum sign panels. The specification covers two product IDs: Product ID 51822 (Size 6") and Product ID 11946 (Size 12"), which are used in the fabrication of signs. The panels must comply with ASTM B221, Alloy 6063-T6 aluminum specifications and include a chromate conversion coating meeting ASTM B449 or ASTM B921 Class I or II standards. Panels shall be supplied in either 24-foot or 36-foot lengths with pre-drilled assembly slots beginning 6 inches from the edge and then every 12 inches thereafter. The panels must maintain flatness equal to or less than 0.031 inch per foot of length and 0.004 inch per inch of width, be free from grease and dirt, and have all burrs removed from edges.

Suppliers must provide a Certificate of Compliance with each shipment confirming that materials meet specification requirements. Packaging requirements specify that aluminum panels be stacked back to back and face to face, secured with a minimum of four non-steel or coated bands spaced at regular intervals, with individual stacks not exceeding 2,000 pounds. Deliveries shall be made via open bed truck to facilitate forklift unloading, with panels tarped during shipment to prevent weather damage and corrosion.

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Other files attached to DOTD Extruded Panel Hardware - ADDENDUM: ATTACHMENT FOR DOTD SPECIFICATION 154-002 HAS BEEN UPDATED., newest first.
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3000026604-1.pdf PDF
UPDATED SPEC 154-002.pdf PDF
DOTD_154_003.pdf PDF
PREFERENCE LOUISIANA.pdf PDF
BID SUBMISSION INSTRUCTIONS.pdf PDF
3000026604.pdf PDF
DOTD_154_002.pdf PDF
PREFERENCE U.S..pdf PDF

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Text version

Product IDs 51822 & 11946 MS Spec. 154-001

Rev. 4/6/22

LOUISIANA

DEPARTMENT OF TRANSPORTATION AND DEVELOPMENT

SPECIFICATIONS

EXTRUDED SIGN PANELS

Product ID No. 51822 – Size 6”

Product ID No. 11946 – Size 12”

DESCRIPTION:

This specification covers extruded aluminum panels used for the fabrication of signs.

REQUIREMENTS:

Aluminum panels shall comply with ASTM B221, Alloy 6063-T6. Aluminum shall have a chromate conversion coating meeting ASTM B449 or ASTM B921 Class I or II. After fabrication, the sheet shall have a flatness equal to or less than 0.031 inch per foot of length and 0.004 inch per inch of width.

The panels shall conform to the dimensions shown in the “Side View Detail” for the respective

Product IDs, “Detail A,” and “Detail B” drawings. Panel width shall be as indicated by the Product

ID; panels shall be supplied in either 24’ or 36’ lengths. Panels shall come complete with pre-drilled assembly slots beginning at 6” from the edge then every 12” as shown in the “Top View” drawing.

Panels must be free from grease, dirt or loose phosphate coating and all burrs shall be removed from the edges.

CERTIFICATION:

A Certificate of Compliance stating the material supplied conforms to the requirements of this specification must be supplied with each shipment. Certificate will be kept on file by the

Department.

PACKAGING AND DELIVERY:

All aluminum panels shall be packaged back to back and face to face. Stacks of panels shall be securely banded with a minimum of four (4) bands spaced at regular intervals along their length.

Bands shall be non-steel or coated to prevent corrosion. Packaged stack of panels should not exceed 2000 pounds.

Deliveries to be made by open bed truck for ease of forklift unloading. Panels shall be tarped during shipment.

Product IDs 51822 & 11946 MS Spec. 154-001

Rev. 4/6/22

File details come from the government source that posted it. Updated .