2026/2027 Crushing

Notice is hereby given that the Jefferson County Commissioners will hold a bid opening in the Commissioners meeting room at the Jefferson County Courthouse, Rigby, Idaho on November 16, 9:00 am, at which time bids will be publicly opened and read on the following:

Price per ton for approximately 20,000 (twenty thousand) tons of 3/4 Inch A Aggregate Base, as specified in Section 703.06 of the Idaho Transportation Department’s 2018 Specifications For Highway Construction, at Jefferson County’s Crystal pit. The Crystal pit is located at 18 N 3300 E Rigby, ID.

The percentage of aggregate retained on the No. 4 (4.75 mm) sieve having at least one fractured face as determined by Idaho T-71 shall be 75 percent.

3/4 Inch A Crushed Aggregate Base Gradation

| Sieve Size | Percent Passing |
| --- | --- |
| 1 in. (25 mm) | 100 |
| 3/4 in. (19 mm) | 90-100 |
| No. 4 (4.75 mm) | 30-60 |
| No. 30 (0.60 mm) | 8-30 |
| No. 200 (0.075 mm) | 0-7.0 |

The County reserves the right to increase or decrease any or all of the above-mentioned quantities of work or to omit any/all as may be deemed necessary, as hereinafter provided.

Testing shall be done by the Contractor at the frequency listed in ITD’s 2018 QA Manual. The material will be crushed and stockpiled at the pit where it was crushed. Placement of finished material will be at the discretion of the Jefferson County Road and Bridge Administrator. All reject material will remain property of Jefferson County.

Hours of crushing will be Monday through Saturday from 7:00 a.m. to 7:00 p.m. Operation may be adjusted according to the weather.

The crushing of all of the aggregate included in this proposal shall be completed by **May 15, 2027** at the Crystal pit. As liquidated damages for delay the Contractor shall pay to the County the sum of two fifths of one percent (0.004) of the contract amount, including change orders, for each and every calendar day that the date of final completion is delayed. Should such deductions exceed the outstanding amount of the contract amount, the Contractor and its surety shall be liable for the excess.

There may be a need for dust control. This shall be furnished by the contractor.

Sealed bids clearly marked with the bidder’s name and “Sealed Bid For 2027 Crushing” will be accepted until **5:00 pm, November 12, 2026**, at the Jefferson County Clerk’s office, 210 Courthouse Way, Suite 230, Rigby, Idaho 83442, or the Road and Bridge office in person located at 290N 4000E Rigby ID 83442. Contract shall be awarded to the bidder submitting the lowest total bid price, provided that the bidder complies with all of the other requirements of this proposal. Bidders must have a current Idaho Public Works License in order to be eligible to bid.

No proposal will be considered unless accompanied by an acceptable proposal guaranty in an amount not less than five percent (5%) of the total amount of the bid proposal. This guaranty must be in the form of a Bidder’s Bond.

The Jefferson County Commissioners reserve the right to reject any or all bids or to award to the bidder as determined to be in the best interest of Jefferson County.

A certificate of workers compensation insurance and a certificate of liability insurance must be on file with Jefferson County Road and Bridge before work can be started.