442-60-10 Air Comp Towable 375cfm Rev2026May.docx

Specification No. 442-60-10

Specification No. 442-60-10 Specifications for a Trailer Mounted, Diesel Powered Rotary Air Compressor State of Illinois Department of Transportation Bureau of Business Services Specifications for a Trailer Mounted, Diesel Powered Rotary Air Compressor (Minimum 375 cfm) May 2026 This specification covers a trailer mounted, diesel powered, rotary screw style air compressor to be used by the Department of Transportation Division of Highways Operations forces. 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.

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

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

Proposed with this Bid:

Successful bidder should be able to provide service after purchase or shall indicate other qualified service facilities able to service equipment. Bidder should provide documentation and enumerating service locations.

Bids will only be accepted from established manufacturers or their authorized dealers. Any dealer submitting a bid hereby guarantees that it is an authorized servicing 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 submit warranty information upon request. 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 upon notice.

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 inoperable equipment at Manufacturer’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.

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.

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 |_|

The use of a brand name or equal is for the purpose of describing the standard of quality, performance, and characteristics desired and is not intended to limit or restrict competition. "Or equal" submissions will not be rejected because of minor differences in design, construction or features that do not affect the suitability of the product for its intended use. Burden of proof that the product is equal is on the bidder.

The use of brand name is for the purpose of ensuring safety, compatibility in existing systems, preserve warranty, and ensure maintenance.

All units to include the following standard or optional accessories and equipment:

Air Compressor Design:

The complete unit to consist of a rotary screw type air compressor, coupled to a diesel engine with a receiver tank, operator controls, and safety shut down device. Unit arranged to provide a compact assembly on a rigid frame, mounted on an axle with wheels, designed to be towed behind trucks.

Compressor:

Rotary screw style with direct drive air-end.

Note: This compressor to be capable of operating a minimum of two (2) hammers, rated at 90 Lbs. and the intermittent simultaneous use of smaller pneumatic tools for prolonged periods of time.

Compressor minimum free air delivery of 375 cfm @ 150psi.

Advertised rated operating pressure of the compressor to be a minimum 150 PSI.

Minimum adjustable range of operating pressure from 80 PSI to 170 PSI.

Compressor supplied with a minimum of two (2) 3/4“NPT outlet ports for connection to the specified hose reels.

The compressor to have a radiator style oil cooler, dry style air filter, and spin-on type oil filter.

The air receiver and oil separator conform to A.S.M.E. Code for working pressures required.

Compressor oil and engine oil cooling systems adequate for working in 115 degree F conditions continuously.

Safety shut-downs provided for low engine oil pressure and if above normal discharge air temperature occurs during operation.

Tool lubricator(s) with a combined minimum 1-quart capacity to be provided.

Note: Tool lubricator(s) integrated with the hose reels is acceptable. Sight gauge(s) so the level of lubricant is readily available to the operator.

Unit to include a minimum of two (2) hose reel assemblies with a minimum of 50’ of hose each and separate shut offs allowing operation of one or both.

Engine:

Current production, fuel injected, liquid cooled, diesel engine meeting the following:

· Meets or exceeds current emissions standards.

· Minimum gross engine HP of 120.

· Dry style air cleaner

· Fuel filter water separator

· Minimum 12-volt electrical system

· Low maintenance battery

· Cold weather starting aid.

· Oil filtration system with cooler.

· Extended Life Antifreeze.

Component provided:

Fuel tank capacity to provide a minimum of seven (7) hours of operation under load. The fuel cap or tank clearly identified as “Diesel Fuel Only”.

Cooling System:

Manufacturer’s standard cooling system with extended life antifreeze rated to -30F.

Operator station:

The following monitoring systems (1 thru7) to be provided either with gauges or LED screens controlled by the operator. Functions 8 & 9 may be manual or electronic:

1. Hour meter.

2. Air pressure gauge

3. Fuel gauge.

4. High coolant temperature.

5. Low engine oil pressure.

6. Alternator output or warning light

7. High compressor temperature

8. Start/stop switch (This feature must be secured in a locked compartment.)

9. Throttle Chassis:

The chassis/trailer designed to support the full weight of unit at highway speeds.

The running gear to consist of a torsion or leaf spring suspension type axle with automotive or trailer style wheel assemblies.

The axle to have grease zerks at each hub for wheel bearing maintenance.

The drawbar/tongue to have a pintle hitch with adjustable range a minimum of 22” to 25” from level ground.

Safety chains to be included.

A tongue jack rated for proper gross vehicle weight (G.V.W.) of unit to be included.

Tires and wheels: New, first run quality automotive or trailer style wheel and tires rated for G.V.W. of unit and able to operate at highway speeds, but capable of "OFF ROAD" use.

Body:

The main body enclosure to be constructed from Galvanneal sheet metal, aluminum, or equal corrosion resistant metal. The upper body or side(s) to be hinged allowing access to internal components.

The unit to include the following at minimum:

Lighting:

The unit to be equipped with LED lighting for towing that meets DOT regulations. The lights to function as running, turn, and brake when plugged into tow vehicle. A 7-way SAE approved plug installed on trailer lead.

Paint / Finish:

All exterior surfaces normally painted to be cleaned, prepped, painted or powder coated manufacturer’s standard color.

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 above.

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.

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 Proposed unit meets specification. Yes |_| No |_|

Pictures, images and sketches are for visual reference only, please bid per specification.

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