Exhibit K - Specifications for Road Widener Diesel Powered~1.docx
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- Attached to
- JPMC Asphalt Equipment
- Solicitation number
- 27-416CMS-BOSS4-B-52918
- Issued by
- Illinois
About this file
This document is an equipment specification exhibit from the State of Illinois Department of Central Management Services for a Joint Purchase Master Contract (JPMC) for asphalt equipment. The specifications detail requirements for a road widening and shouldering machine, specifically a Midland Model SA diesel-powered attachment or equivalent unit designed to spread rock and/or asphalt shoulder materials. The machine must be equipped with a hopper capable of accepting material from 8 and 12 cubic yard dump trucks, a bi-directional conveyor belt system approximately 18 inches wide, and hydraulically extendable side shoes for material placement. The unit requires a self-contained diesel engine with minimum 20 horsepower, electric start capability, and an integrated hydraulic system to power both the conveyor and strike-off blade. The machine must have specific dimensional requirements with an overall transport width of approximately 138 inches, height of 49 inches, and length of 90 inches, and must be mounted on a coupler-type hitch pad compatible with wheel loaders.
The specifications mandate that the strike-off blade be hydraulically operated and extendable from one to six feet with adjustable slope capability of 12 inches above or below level grade. All components, including the hydraulic pump, cylinders, conveyor drive system, and operator platform with associated controls, must be readily available for service within Illinois. Bidders are required to submit descriptive literature clearly demonstrating compliance with each specification requirement and identify corresponding pages or sections that address the specific equipment features outlined. The State reserves the right to waive minor informalities or technical variances if deemed in the State's best interest, and all exterior painted surfaces shall be cleaned, prepped, and finished in the manufacturer's standard color with full functionality required upon delivery.
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Text version
State of Illinois Department of Central Management Services
Exhibit K Specifications for Road Widening & Shouldering Machine These specifications describe a road widener machine attachment with shoulder spreading capabilities for spreading rock and/or asphalt shoulder materials by the ordering entity. The specifications for acceptable units by required features and accessories as outlined below.
Parts and services for the equipment should be readily available within the State of Illinois.
Unless otherwise specified, the proposed equipment shall be complete in all parts and ready for immediate use upon delivery.
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The State reserves the right to waive minor informalities, deficiencies, or technical variances which by their nature are restrictive to a given manufacturer, if in its’ judgement, it would be in the best interest of the State.
The unit shall include the following standard or optional accessories and equipment.
Road Widener and Shouldering machine:\ Midland Model SA – Left or Right Configuration Discharge Model or equivalent.
The unit shall include the following standard or optional accessories and equipment:
The machine shall consist of a hopper with a reversible conveyor belt at the bottom and hydraulically extendable side shoe used to place material dumped into the hopper by dump trucks.
The widener functions shall be powered by a self-contained diesel engine and hydraulic system.
The prime mover shall attach with coupler system.
Mounting Pad:
The widener shall include a coupler type hitch pad that will be functional with District specified wheel loader.
Hopper:
The hopper shall be designed to accept material dumped from 8 and 12 cubic yard standard dump bodies or combination tractor/trailers.
Replaceable rubber upper hopper extension to prevent material spillage shall be included. Inner and outer edge plates shall be included for curb or median type work.
At the bottom of the dumping hopper shall be a bi-directional conveyor belt to direct the flow of material. The conveyor shall be approximately 18” wide.
The direction of the conveyor shall be controlled by using hand controls located at the operator platform.
The widener shall have dual, operator controlled, hydraulically extendable push rollers to contact the rear wheels of the truck/trailer.
The rollers and the construction of the hopper shall be robust to allow the pushing of a fully loaded single or tandem axle truck on an up-hill grade. If required, the hopper shall include roller extensions for use with combination tractor trailer units.
The widener shall have an overall transport width (shoe/side plate retracted) of approximately 138”, an overall height of approximately 49”, an overall length of approximately 90”.
The hopper shall be supported on the bottom by four (4) caster frames with two (2) caster wheels per frame for smooth support of the widener. They shall have steel hubs with hard poly covers at a diameter furnished by the manufacturer.
Note: Pneumatic tires are not acceptable.
Conveyor:
The conveyor belt shall be approximately 18” wide with a belt on chain design and capable of discharge from the right or left as configured.
The length of the conveyor shall be approximately ±96”.
The belt shall withstand heat of approximately 350 F rated for aggregate or hot asphalt use and be fully adjustable.
Type – Current production, Diesel engine with a minimum of 20HP including the following:
· Electric start
· Low oil shutdown
· Hour meter
· Maintenance free battery
· Charging system
· Filtration/water separator
· Throttle Fuel Tank:
Clearly marked “Diesel Fuel” with approximate capacity of 15 gallons.
Hydraulics:
A domestic manufactured hydraulic pump shall provide power to the conveyor and strike-off blade. Hydraulic cylinders shall be double acting.
Hydraulic reservoir tank shall have both suction and return filtration with replaceable spin-on filters.
Drive system:
The conveyor shall be operated by a reversible hydraulic motor. The hydraulic motor shall drive a sprocket and chain type belt conveyor with idler shafts.
All drive or idler shafts with non-sealed bearings shall be drilled and tapped with grease zerks for ease of maintenance in the field.
The drive system shall allow for adjustment of conveyor chain in the field and shall not require disassembly to perform adjustments.
The drive system shall include all fittings and hoses needed to operate the conveyor when installed.
The hydraulic operation of the conveyor and shoes shall be standard hydraulic requirements Strike-off Blade:
The widener shall include a hydraulically operated strike-off blade that can be configured on the right or left side of the machine depending on jobsite.
It shall be capable of being fully closed or hydraulically extendable to from (one) 1’ to (six) 6’ and provide a positive lock and hold to any dimension in between. Hydraulic slope adjustment shall allow for 12” above or 12” below level grade.
The side plate or shoe shall be sized to prevent material from going over the top.
Strike-off blade shall include quick attach adjustable push bar with mounting for wheel loader chassis.
Operator Platform:
An elevated operator’s platform shall be provided to mount behind the strike-off blade allowing the operator full view of the conveyor, supply truck rear view mirror and strike-off plate.
It shall be moveable from left to right as needed depending on job.
Operator Controls:
A single control panel shall be located next to the operator platform and include the following:
· Strike-off blade, grade, slope, and extension.
· Conveyor, on/off and speed
· Throttle
· Emergency Shut down
Paint/Finish:
All exterior surfaces normally painted shall be cleaned, prepped, painted or powder coated manufacturer’s standard color.
Please identify below any additions, deletions, or variations from the above specifications.
Bid Response:
Bidders should provide descriptive literature for the item being bid. The submitted literature must clearly demonstrate compliance with the specifications stated above, and bidders should identify the specific page(s), section(s), or feature descriptions that correspond to each of the specification requirements identified above.
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