S:\AS\Pur\2026\20 - Light and Power\26-0073 Aluminum Sign Blanks\26-0073 Specs.docx 1

Bid Request No. 26-0073

Aluminum Traffic Sign Blanks Minimum Specifications

I. General

It is the intent of these specifications to comply with the standards and requirements of the latest edition of the Manual of Uniform Traffic Control Devices for Streets and Highways and Standard Highway Signs issued by the U.S. Department of Transportation/Federal Highway Administration.

A contract will be awarded to the bidder submitting the lowest responsible bid meeting the requirements of these specifications.

Bids will be accepted for consideration on any make or model that is equal or superior to the items specified. Decisions of equivalency will be at the sole interpretation of the City of Sioux Falls. A blanket statement that equipment proposed will meet all requirements will not be sufficient to establish equivalence. Original manufacturer’s brochures of the proposed unit are to be submitted with the proposal.

All modifications made to the standard production unit described in the manufacturer’s brochures must be certified by the manufacturer and submitted with the bid, or the bid will be deemed “nonresponsive” and rejected without further review. Bidder must be prepared to demonstrate a unit similar to the one proposed, if requested.

If only one bid is received in response to the invitation for bids, a detailed cost proposal may be requested of the single offeror. A cost/price analysis and evaluation and/or audit may be performed of the cost proposal in order to determine if the price is fair and reasonable.

In order to be fair to all bidders, no oral interpretations will be given to any bidder as to the meaning of the specification documents or any part thereof. All requests for interpretation shall be made in writing to the City Purchasing Division. Based upon such inquiry, the City may choose to issue an addendum. All addendums must be acknowledged or your bid may be rendered incomplete.

II. Materials

Materials furnished shall be new, unused, and unweathered, and shall be the product of reputable manufacturers with documented quality control procedures.

A. Aluminum Sign Blanks

1. Material Specification All aluminum sign blanks shall conform to the latest edition of ASTM B209 and shall be Alloy 5052-H38 or an approved equal or better alloy suitable for traffic sign applications.

S:\AS\Pur\2026\20 - Light and Power\26-0073 Aluminum Sign Blanks\26-0073 Specs.docx 2

2. Thickness and Fabrication Tolerances o Thickness shall be as specified for each bid item, with a tolerance of

±0.002 inches.

o Hole diameters, hole spacing, edge distances, and corner radii shall conform to the latest edition of the Standard Highway Signs and Markings (SHSM).

o Blanks shall be flat within industry-standard tolerances and free of warping or distortion.

The awarded contractor may be requested to provide one (1) certified mill test report (MTR) per lot and thickness prior to award or shipment, upon request.

The City of Sioux Falls reserves the right to test, or have tested, a random sample from each thickness supplied. Costs associated with noncompliance testing, including the sample, may be deducted from the contract amount if materials fail to meet specifications.

3. Construction Each sign blank shall consist of a single piece of aluminum. All edges shall be sheared, saw-cut, or machined to produce smooth, true edges, and shall be free from burrs, sharp edges, cracks, or other defects.

4. Surface Treatment All sign blanks shall receive a chromate conversion coating in accordance with the latest edition of ASTM B449, Class 2, or an approved environmentally compliant equivalent (e.g., trivalent chromium process).

The coating shall:

o Be uniform and tightly adherent to the base metal o Exhibit no powdering or dusting o Provide a color ranging from silvery iridescent to pale yellow o Be suitable for subsequent application of retroreflective sheeting

5. Street Name Sign Blanks Street name sign blanks shall be constructed as shown in drawing, Figure No. 2.

S:\AS\Pur\2026\20 - Light and Power\26-0073 Aluminum Sign Blanks\26-0073 Specs.docx 3 j 1 ½" Radius Corners k l m

S:\AS\Pur\2026\20 - Light and Power\26-0073 Aluminum Sign Blanks\26-0073 Specs.docx 4

III. Packing and Shipping Instructions

A. Bundling

Flat sheets shall be securely banded in bundles, with protective cardboard or equivalent material placed on all exposed edges. Bundles shall not exceed five (5) sheets unless otherwise approved.

B. Packaging Requirements

Cartons and pallets shall meet applicable freight classification standards and shall have a minimum burst strength of 275 psi. Packaging shall fully protect the length, width, edges, and surfaces of all sign blanks during handling and transit.

Shipments not conforming to these requirements may be rejected at delivery.

C. Cleanliness

All aluminum blanks shall be clean, dry, and free of oils, residues, markings, or contaminants prior to shipment.

D. Pallet Size and Protection

Shipping pallets shall extend a minimum of three (3) inches beyond all edges of the largest sign blank in the shipment to prevent edge damage. Blanks shall be secured to prevent shifting during transit.

E. Handling and Delivery Condition

The City encourages the contractor to coordinate with carriers to ensure proper handling. All materials shall be delivered free of damage, including but not limited to bending, scratching, abrasion, or corrosion. Damaged materials may be rejected.

The City requires the pallets be able to fit on their hand truck when shipping aluminum blanks. See the following:

S:\AS\Pur\2026\20 - Light and Power\26-0073 Aluminum Sign Blanks\26-0073 Specs.docx 5

Dimensions of our hand truck: Pallet forks are 4 feet long.