Summary

This is a Standard Mine Closure Design Drawings document issued by the State of Utah Division of Oil, Gas and Mining in support of an Invitation for Bid (IFB) for reclamation construction at the Sowbelly Gulch Project in Carbon County, Utah. The document provides Chapter 5 of the standard design specifications, containing 47 professionally engineered mine closure design drawings that were substantially revised on June 1, 2020, superseding the previous February 22, 2011 version. The drawings were reviewed and certified by two licensed Utah Professional Engineers: Andrew Herrera (Utah PE #10988147-2202) from Spectrum Engineering & Environmental, LLC in Billings, Montana, and Matt Krivonen (Utah PE #8962093-2202) from Krivonen Associates, P.C. in Billings, Montana. The work encompasses closure of one abandoned mine, maintenance of four previously closed abandoned mines, and revegetation of disturbed areas at abandoned coal mines. Vendors are required to attend a mandatory pre-bid site visit meeting at coordinates 39.699968, -110.921501. Work must be commenced upon notice to proceed and completed within 14 calendar days of notification or by August 31, 2026, whichever is earlier, with potential weather-related extensions at the owner's discretion.

The contract is being conducted by the State of Utah Division of Purchasing with an engineers' estimate of $35,000.00. The IFB anticipates a single contract award to the lowest cost responsive and responsible vendor. Vendors must guarantee their pricing through project completion and are subject to liquidated damages provisions under Article 12 of the contract. The complete specifications and additional documentation are contained in Attachment 007959_specs_complete, which vendors must review prior to bidding.