960-60-02 Carbide Dowel Blade Edge 2012 Rev2025January~3.docx

Specification No.960-60-02

Specification No.960-60-02 Specification for Carbide Dowel Type Blades

State of Illinois Department of Transportation Bureau of Operations

Specifications and Questionnaire for Carbide Dowel Type Blades for Snowplows

January 2025

This specification and questionnaire covers requirements for tungsten carbide dowels inserted into snowplow blades to be used by the Department of Transportation Division of Highways Operations forces. The snowplow blade sections shall be high-quality steel blades fitted with tungsten carbide dowels or cylinders complying with the following detailed specifications.

Bidders quoting on the specified products must submit with their bid proof of the following:

· The snowplow blades proposed are equal to, or exceeds that specified in all respects including size, operating features, and expected life cycle.

· The manufacturer of the equipment proposed has been actively involved in the manufacture of the carbide style blades called for in the solicitation for a period of not less than 4 years.

· Service for the products proposed is readily available to the State of Illinois.

It is the responsibility of each bidder to complete and return this questionnaire with the bid.

Unless otherwise specified, the proposed equipment shall be complete in all parts and ready for immediate use upon delivery.

Bidders are advised to carefully read these specifications as changes have been made since the last solicitation issue.

Proposed With This Bid:

Serviceability will be a factor in award. Successful bidder shall either be able to provide service after purchase or shall indicate other qualified service facilities able to service equipment, within a reasonable period of time at agency locations. Bidder shall provide documentation and enumerating service locations. A Review of the bidder's ability to provide prompt parts and service to the State of Illinois and in particular to the delivery location, will be considered in determining award.

Bids will only be accepted from established manufacturers or their authorized dealers. Any dealer submitting a bid hereby guarantees that it is an authorized dealer of the manufacturer and that the manufacturer has agreed to supply the dealer with all quantities of products required by the dealer in fulfillment of its obligations under any resultant contract with the State. Bidder must submit authorized dealer letter upon request.

Warranty:

Unless otherwise specified, Manufacturers’ standard warranty shall be provided. Bidder shall attach copies of warranty with their bid. Warranty shall commence at the Illinois Department of Transportation in-service date. If any equipment fails to conform to the warranties during the applicable warranty period, the Vendor or Manufacturer will adjust, repair or replace the equipment at no charge to the Department as soon as possible upon notice from the Department. Equipment shall be repaired on-site and will be performed at no additional cost to the Department.

The Vendor may provide or perform warranty service at a dealer location within the Districts geographic region if on-site repair is not possible. Vendor shall facilitate pickup and delivery of equipment at Vendor's cost if warranty repair(s) are made off-site during the warranty period. The contract Vendor is responsible for any failure of their allied or sub-contractors’ fulfillment of said warranties. Failure to provide this service shall result in a “Complaint to Vendor” that could affect future bid awards.

Delivery:

It will be the responsibility of the successful vendor to guarantee delivery within the quoted time and to require allied manufacturers or suppliers to complete the installation of auxiliary equipment in accordance with the quoted delivery time.

Failure to comply with the quoted delivery time because of delays resulting from the inability of suppliers of allied equipment such as bodies, snowplows, spreaders, etc., may be reason to refuse to consider similar items from those suppliers on future bids.

All equipment provided by the Vendor and the sub-contractor(s) shall be fully operational when delivery is made. Any noted defects at the time of delivery shall be addressed by Vendor in the first 30 days of in-service.

Bidder/Vendor acknowledges the requirements above. Yes |_| No |_|

Note: If the equipment proposed exceeds the minimums called for in the specification please do not mark NO. Mark Yes and explain with a short comment on how it exceeds.

Blade Section:

The blade sections shall conform to the dimensions as shown on the attached drawing for the lengths as called for in the solicitation.

The hole punching of the cutting edges shall be as shown in the attached drawing. The holes shall be punched to an 11/16” diameter and countersunk to receive 5/8” diameter grade 8 blade bolts. The center of the holes shall be within 1/16” of the established centerline of the blade.

Each blade section shall be manufactured from flat, hot rolled, finished steel meeting or exceeding specifications for A36 or SAE 1040/1045 rated steel, with a finished thickness of 7/8”.

The holes drilled for the tungsten carbide inserts shall be drilled in the center of the thickness of the blade, spaced on .75” center to center for the entire length of the end of the blade section.

Complies: |_| Yes |_| No The tungsten carbide inserts shall be secured using a silver solder type material or equal with sufficient strength to securely hold the dowel type inserts while being impacted during snow removal operations.

The completed blade sections with inserts installed shall be free of warpage and longitudinal deviation. Blade sections exceeding .125" in a 4-foot section will be rejected.

Complies: |_| Yes |_| No Tungsten Carbide Inserts:

The inserts must be new and unused. Recycled raw materials may be used in the tungsten carbide inserts provided the finished inserts meet all the chemical and physical properties for hardness, cobalt, tantalum-titanium, density, and porosity detailed elsewhere in these specifications.

The inserts shall be round or cylindrical in shape with the following dimensions:

Height (long side) 0.753” 0.007” Diameter 0.523” 0.004” Dome Radius =.266”± .003”

The carbide inserts shall be high shock, WC Grade tungsten carbide. The composition of the inserts shall be as follows:

Cobalt 10 to 12.5% Tantalum-Titanium 1.5% The balance of the material composition shall be WC Grade tungsten carbide.

The physical properties of the inserts shall be between 13.9 to 14.6 grams per cubic centimeter for density, and between a minimum 86.8 to a maximum of 89.2 hardness on a Rockwell “A” scale or equivalent based on appropriate coercive force correlation.

The inserts’ maximum allowable porosity, based on testing in accordance with ASTM designation B276-79 shall be A08, B04, or C00.

Note: Bidder shall furnish samples of the carbide inserts if requested by the Department of Transportation.

Finish and Markings:

Each blade section, with the exception of the cutting edge, shall have a minimum of one coat of a rust resistant paint or coating. The cutting edge portion of the blade section shall be unpainted to facilitate inspection of the cutting edge.

Complies: |_| Yes |_| No All blade sections shall be plainly marked to indicate the front edge of the blade to avoid improper mounting.

Each and every blade section shall be stamped with the manufacturers name, or recognizable monogram. The stamping shall be located on the front and in an area not subject to wear from use.

Complies: |_| Yes |_| No Note: Failure to comply with this portion of the specification will result in immediate rejection of product at any delivery location.

Bidders shall submit copies of each of the following with the bid response.

· Bid Document

· Specification Questionnaire

· Detailed and Dimensioned Shop Drawings

· Descriptive Literature and Specifications Clearly Marked to Indicate the Composition of the Blade Sections image1.jpeg