549-60-11 Radius Dump Triple Axle Semi Trailer Rev2025Sept .docx
DOCX document 46 KB Posted
- Solicitation number
- 26-494DOT-FINAD-B-50131
- Issued by
- Illinois
About this file
This specification document outlines procurement requirements for a triple axle, radius-style dump trailer for the State of Illinois Department of Transportation. The specification provides detailed technical requirements for a single unit designed for multi-purpose hauling operations. The trailer must meet a minimum gross vehicle weight rating (GVWR) of 74,000 pounds with a maximum trailer weight of 18,000 pounds, feature a minimum useable body length of 28 feet, and include a full-length electrically operated tarping system. All proposed equipment must be manufacturer's latest standard models complete with required optional equipment; deviations aimed at obtaining lower prices are not acceptable. The specification requires bidders to submit a completed response form identifying the proposed unit's make, model, and manufacturer, along with detailed specifications for frame design, hoist capacity, body dimensions, axle configurations, suspension, braking systems, tires, lighting, and protective coatings. Bidders must provide all operators' manuals, parts lists, warranty information, and service manuals upon delivery, along with qualified factory or dealer personnel to provide instruction on operation, routine service, and maintenance for assigned headquarters personnel.
The specification requires manufacturers to provide a minimum one-year warranty covering all defective parts and workmanship from the date of acceptance, with all defects corrected at no cost to the State. The unit must comply with all current Federal and State Safety Standards, OSHA, ANSI, NEMA, and Illinois Motor Vehicle Laws, and the State reserves the right to request a demonstration of the unit prior to delivery with associated costs borne by the successful bidder. District-specific configuration options and requirements are accommodated within the base specification framework. Bidders must acknowledge their understanding of the specification requirements by initialing and dating the bid response form included in the document.
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Text version
Specification No. 549-60-11
Specification No. 549-60-11
Specification for Radius Body, Steel Dump Trailer
State of Illinois Department of Transportation Bureau of Business Services
Specifications for a Triple Axle, Radius Style Dump Trailer
September 2025
This specification covers a full-frame, radius side or half-round dump trailer for use in the Department of Transportation Operations for multi-purpose hauling. To improve operating efficiency, parts, and service availability the Department of Transportation is specifying acceptable units by required equipment and accessories as outlined below.
Requirements of the Bidders:
All bidders are expected to quote upon a manufacturer's latest standard model complete with all standard equipment plus any optional or special equipment required. Optional equipment when called for in the specification to be included in the quoted unit price. Units shall have all necessary accessories and attachments mounted when delivered and as described in the attached specifications. Deviations from these requirements in efforts to obtain extremely low prices will not be acceptable. Equipment proposed meet the requirements specified below.
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:
| Make: |
| Model: |
| Manufactured by: |
| Bidder: |
| Contact name: |
| Telephone: |
| Email: |
Unit to include the following standard or optional accessories and equipment:
Trailer Design:
Capacity: Minimum 74,000 lbs. GVWR.
| GVWR Capacity: |
Trailer Weight: Maximum trailer weight 18,000 lbs.
| Trailer Weight: |
The trailer shall comply with all current Federal and State Safety Standards.
Full-frame, radius side or half-round, triple axle, single / dual wheel, (ten (10) wheels on the ground) dump trailer with hydraulic actuated hoist cylinder.
| Number of tires: |
| Number of axles: |
Trailer Frame:
Main beams, wide flange beams pierced to allow full through crossmember installation or beam, channel, or tubular steel stacked on top with gussets capable of supporting the rated trailer capacity.
| Main beam type: |
| Main beam size: |
| Lbs./ft. |
Frame members to be 80,000 psi. minimum steel.
| Steel rating: |
| PSI |
Crossmembers designed, sized and spaced to meet trailer GVW specifications.
| Crossmember size: |
| In. @ |
| Lbs./ft. |
| Weight/length on |
| Centers |
King Pin:
· Industry standard king pin plate.
· Accepts 5th wheel heights from 48" to 51".
· Minimum of 98" swing clearance.
| King Pin Height: |
| Inches |
| Swing clearance: |
| Inches |
Body Hoist:
Capable of lifting the trailer body when loaded to capacity to its full height.
· Hydraulically operated utilizing truck mounted “wet kit”.
· Industry Standard Heavy-Duty Multi-stage cylinder.
· Repair parts standard over the counter availability.
Landing stand:
Two (2) speed, flat or sand shoes, able to hold static weight of loaded trailer.
Trailer Body:
Width: Maximum of 102”.
| Body width: |
| Inches |
Length: Minimum of 28-feet in useable body length.
| Body length: |
| Feet/Inches |
All rails and top beams to be tapered designed to the inside or outside of the body so they provide no flat surface for rock or debris deposits.
Body floor, front, sides, and tailgate to be constructed of a minimum 3/16” abrasion resistant steel.
The body dimensions are as follows:
· Sides 55” - 66”
· Front 60” – 72”
· Rear 55” – 66”
· Overall side height 108” – 116”
| Side Height: |
| Front Height: |
| Rear Height: |
| Overall side height: |
Fenders covering the rear wheels a minimum from the rear body post, extending past the front of the front axle tires. Fenders to be sloped or wedge shaped so material will not rest on them. Anti -sail mudflaps at rear.
Rear body below tailgate to be furnished with full width apron / spill plate.
Two (2) ladders, one at front of trailer and one at rear of trailer for body access.
Tarping System:
Full length front to rear style.
· Electrically operated tarp.
· Front bulkhead to the top of the tailgate coverage.
· Mounting not to impede the loading of the trailer.
· Tarp controls placed for easy access.
Tarp material minimum weight of 22 ounces per square foot.
| Tarp Weight: |
| Per Sq. Ft. |
Tailgate:
A “high lift” style, secured and operated by pneumatic or hydraulic cylinder(s).
· Minimum vertical 80” full clear opening.
· Minimum 3/16” abrasion resistant steel construction with bracing.
· Minimum 18”x18” slip gate.
Axles:
Minimum of two (2) 25,000 lbs. fixed axles with oil bath hubs, spaced no less than 49” apart.
Component:
| Make: |
| Model: |
| Capacity: |
Third Rear Pusher Axle:
One (1) Air lift, air suspension, self-steering pusher axle rated for a minimum of 20,000 lbs. total capacity at the ground. The axle shall be installed ahead of the rear tandems and fully functional when delivered.
| Gross Axle Weight Rating Capacity: |
Component:
| Make: |
| Model: |
Suspension:
Air ride suspension designed for heavy haul transport trailers. Industry standard gauge and control package required for adjustment. Meets or exceeds specified trailer capacities.
Component:
| Type: |
| Capacity: |
| Pounds |
Brakes - Air:
All wheels, full air, anti-lock meeting Federal requirements 4S2M system. All components rated to perform to all safety standards for the GAWR and the capacity of the trailer specified.
Brake Connections:
One standard air brake connector kit with bright colored, coiled air lines.
Glad hands to be Meritor / Wabco part number 9522010180/90 filtered units or equal.
Breakaway System:
Trailer brakes to apply in the event of a tow vehicle brake failure or breakaway.
Wheels:
Trailer Type, Single / Dual, hub piloted, cast spoke or steel disc. Wheels to be manufacturers standard color or finish.
Rim Size - 22.5 X 8.25 or as needed for axle configuration.
Component:
| Type: |
| Size: |
Oil type wheel bearing seals with hub assemblies, that provide for visual indication of oil level.
One of the right wheels (curb side) to also be equipped with hub-odometer which is designed for the size of wheel and tire proposed to be furnished. The hub-odometer hub assembly to be a type which provides for easy oil level checking.
Component:
| Make: |
| Model: |
Tires:
New first run quality, tubeless, radial, trailer type, designed primarily for on highway use.
Size - 255/70R X 22.5 or as needed to meet GVWR Component:
| Load rating: |
| Size: |
Each set of duals to include a Crossfire Dual Tire Pressure equalization system (or IDOT approved equal) to equalize tire pressure between the dual tires. This feature to provide isolation should one tire experience a 10-psi loss.
Component:
| Make: |
| Model: |
One spare tire and wheel provided and mounted according to manufacturer’s standard.
Truck Connection for Lighting and Electrical:
Type – Heavy all-weather cord with 7-way connector, utilizing round pins and sockets, SAE/ATA approved, plug portion installed on trailer with lead long enough to allow for turning movements of the trailer. The pin portion or socket is provided with the truck installation.
Wiring and LED Lighting:
All wiring and LED lighting sealed, grommeted and sealed junction boxes provided when necessary.
Lighting and reflectors shall comply with Illinois Motor Vehicle Laws and Federal safety requirements.
A minimum 7-wire, ATA approved receptacle for trailer light jumper cable to be furnished.
All rear LED lighting (Tail, Turn, and Stop) shall be recessed and mounted in shock-proof light mountings.
DOT approved reflective conspicuity tape shall run entire length of trailer at bottom of side, walls, and rear gate.
Paint / Finish:
All parts normally painted to be cleaned, prepped, painted, galvanized, or powder coated manufacturer’s standard color.
All under carriage not painted or powder coated to be coated with an automotive type protective coating.
The above specifications will be the same for all units.
District Specific Configuration and Options:
Listed below are the requirements for the configuration for the requesting District’s unit. Some options may be in “Lieu of” or “in Addition to” the base specification.
District X List District options or “No additional options required for this unit.”
Warranty and General Bid Information:
Safety Features:
The unit proposed must comply with all Federal, OSHA and ANSI safety requirements.
Inspection and Tests:
The State of Illinois reserves the right to request the bidder to give a demonstration of the unit prior to delivery.
Cost of minor modifications to the unit, if required, and contained in the specifications, will be borne by the successful bidder.
Manufacturer's Standard Warranty:
Coverage - All defective parts and workmanship.
Duration - One (1) year from date of acceptance minimum.
Warranty service - All defects shall be corrected at no cost to the State.
| Warranty Duration: |
Safety Components:
The truck/unit shall be furnished complete with all safety components that are required by the current Federal, State, ANSI, NEMA and OSHA Safety Standards.
Manuals:
Copies of all operators’ manuals, parts lists and warranty information shall be provided at the time of delivery.
One copy of the service or shop manual for each machine shall be provided upon delivery.
Note: The manuals, parts lists, and service or shop manuals listed above may be furnished on Flash drive in lieu of paper.
Educational Instruction:
Instruction performed by qualified factory or dealer personnel covering the operation, routine service and maintenance of the complete unit shall be provided upon delivery or scheduled thereafter. The instruction shall be for all personnel in the assigned headquarters location of the machine. More than a single day may be required to satisfy this requirement.
If available, an instructional video covering the operation of this equipment.
Bid Response:
Bidders will need to send copies of each of the following with their bid response.
a) Specification
b) Descriptive Literature Bidder/Vendor acknowledges the requirements of the specification. Yes |_| No |_|
| Bidder/Vendor Initials: |
| Date: |
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