Hatch — EPCM appointment for Stibnite Gold Project
Perpetua Resources selected Hatch as EPCM provider for the Stibnite Gold Project in Idaho. The assignment includes process-plant and infrastructure engineering, procurement management of major equipment, construction management, project controls and performance reporting. Hatch’s pressure-oxidation expertise was cited in the selection. The appointment concerns development of a gold-and-antimony project with restoration work, rather than announcing operating mine production.
- Publish date: 2025-12-17
- Category: EPC Contractors
- Original source: Hatch · Perpetua Resources
- Reading time: 2 min
Reported scope and milestone
Perpetua Resources selected Hatch as EPCM provider for the Stibnite Gold Project in Idaho. The assignment includes process-plant and infrastructure engineering, procurement management of major equipment, construction management, project controls and performance reporting. Hatch’s pressure-oxidation expertise was cited in the selection. The appointment concerns development of a gold-and-antimony project with restoration work, rather than announcing operating mine production.
Engineering interpretation
Pressure-oxidation processing links feed preparation, reaction equipment, downstream recovery and substantial utility duties. At a legacy mine site, those process interfaces must be coordinated with water management and restoration obligations. Equipment acceptance, environmental works and startup readiness have different deliverables. Keeping them separate helps describe the EPCM assignment accurately without treating restoration completion, process commissioning and commercial production as the same milestone.
Delivery responsibilities
Under EPCM, the engineering firm coordinates design, procurement and construction management while the owner’s contracts define who supplies and builds each package. Procurement records, drawing revisions and site work need a common technical baseline. Acceptance responsibilities should cover equipment testing, quality records and commissioning interfaces. A management appointment therefore needs to be read with its authorized work scope; it does not establish a fixed-price turnkey commitment or prove that the facility is already producing at its planned rate.