Mike Bertoldi Email & Phone Number

Weeks Island, La

Engineering for mining operations at a 1.7 million TPY room and pillar mine. Engineering and estimating for underground construction. Project manager for underground construction projects and shaft extensions. Oversight of underground contractors. Mine planning.

Delta, Ut

Manage and coordinate production shifts and maintenance at a limestone quarry. In charge of production quotas and quality control from mining through crushing and screening operations. Develop short and long term mine plans. Responsible for MSHA compliance in the mining, crushing, and screening processes. Direction of outside contractors. Construction of haul roads and opened new quarry while continuing mining in existing quarry

Avery Island, La

Engineering for mining operations at a room and pillar salt mine. Engineering and estimating for underground and surface capital projects. Project manager for various construction projects including an underground raise and a setting a small service shaft hoist. Oversight of underground contractors. Long-term mine planning.

Weeks Island, La

Site engineer for underground mine used for petroleum storage. On-site mine engineering including monitoring and field measurement of underground and surface integrity characteristics. Owner representative for underground construction and maintenance contracts. Technical advisor and field monitoring of dialy costs, progress, specification compliance, and anticipated completion costs for time and materials requirements contracts for drilling, grouting, and related maintenance.

Colorado Springs, Co

Managed estimating and engineering for mining, reclamation, and hazardous material abatement contractor. Field control of projects and environmental investigations. Laison with various regulatory agencies concerning environmental compliance. Developed engineering for permit applications, operations and environmental compliance for two coal mining companies. Contract surveying for portions of the the 3900 foot tunnel Hanging Lake Interstate Highway project and a two to four lane expansion of… Show more Managed estimating and engineering for mining, reclamation, and hazardous material abatement contractor. Field control of projects and environmental investigations. Laison with various regulatory agencies concerning environmental compliance. Developed engineering for permit applications, operations and environmental compliance for two coal mining companies. Contract surveying for portions of the the 3900 foot tunnel Hanging Lake Interstate Highway project and a two to four lane expansion of U.S. Highway 287 from Lafayette, CO to Longmont, CO Show less

Lakewood, Co

Supervised various aspects of construction related to undegroung coal mining and surface construction. Lead engineer on acquiring, permitting, and operating an underground coal mine, followed with a green field project at the same mine to complete exploration, permitting, construction , development, operations, and reclamation of a second underground mine. Completed feasibilty studies for various surface and underground metal, nonmetal, and coal mines throughout the United States and Canada… Show more Supervised various aspects of construction related to undegroung coal mining and surface construction. Lead engineer on acquiring, permitting, and operating an underground coal mine, followed with a green field project at the same mine to complete exploration, permitting, construction , development, operations, and reclamation of a second underground mine. Completed feasibilty studies for various surface and underground metal, nonmetal, and coal mines throughout the United States and Canada. Developed geotechnical reports and studies for construction projects and estimated portions of construction. Show less

Denver, Co

Performed stidies and cost analyses on surface mining methods and designs throughout the westen United States. Underground mapping of lithology, bedding planes, faults, joints, etc. for further analysis in research projects. Installed rock mechanics instrumentation and devices at block-caving mines in Arizona

Denver, Co

Developed surface mining designs and plans in regards to feasibilty studies. Prepared permit application for mining ion federal land in Idaho