Lee Mayes Email & Phone Number

I assist in the design and maintainability aspects of copper solvent extraction / electrowinning operations.Consulting for BHP Billiton Minera Spence project on commissioning the Mesco #1 stripping copper machine. Successfully completed start up a month earlier than the Mesco timeline had shown which allowed production to commence.Consulting for Frontera Copper – Piedras Verdes oxide project to assist in commissioning their Mesco stripping machine plus assisting M3 Engineering with miscellaneous on site projects. Assisted the plant maintenance crews in writing preventive maintenance schedules for the Mesco Stripping machine. Consulting for Nord Resources on a Mesco copper stripping machine. Traveled to Kuala Lampur, Malaysia for the factory acceptance testing. Specified the initial spare parts listing.Consulting for Newmont Mining on their Battle Mountain Nevada Phoenix Project. Operations / maintenance oversight, design and specifications review on the owners behalf at M3 Engineering. Feasibility through Detailed engineering. Vendor visits and factory acceptance testing. Participated in commissioning and successful start upConsulting for Newmont Mining on their Yanacocha leach demonstration project. Operations / maintenance oversight, design and specifications review on the owners behalf at M3 Engineering. Feasibility through Detailed engineering.Design changes and tune up of the copper stripping machine at Minera Maria, Mexico.HAZOP safety review participant.

Scottsdale, Az, Us

I supervise 8 fire stations stations geographically covering just under 200 square miles with a highly diversified mix of homes and commercial.

Scottsdale, Az, Us

All, the morning of May 31st I took my gear off the rig likely for the last time. My network is comprised mostly of 2 groups, fire and emergency services and then mining, so lets start with the fire folks. I started in this field in 1972 with underground mine fire fighting at Magma Copper. Lot's of years and with other members, made a difference in the lives of those we served. For the mining folks here started in the Magma Copper underground in 1970. While mining hasn't been my full time position since 2002, I have continued with consulting, you can see those opportunities in my profile. Miners I am now ready to continue the consulting business. Nothing full time but project work, maintenance audits, equipment specs, etc. Let me know if I can team up with your organization to enhance

Working as the head of maintenance at the San Manuel SX/EW I was responsible for a diverse crew of 4 multi skilled maintenance technicians who performed virtually all maintenance activities. Plant equipment availability approached 98+ percent.Listed below are projects that I have been associated with that expands my knowledge base well beyond that of day to day plant maintenance.Team member on the Magma – BHP smelter flue dust leach project. Reviewed equipment specs for all plant process equipment and electrical / mechanical / instrument drawings. Team member for the Magma – BHP / Gould Foil joint venture pilot plant where the technology of electroplated copper foil direct from solvent extraction was patented. Other value added products proven in the facility was electrowon copper powder and electro-winning cell cross flow ventilation.Team member for the Magma – BHP Florence oxide in-situ leach project conceptual and basic design. Reviewed equipment specs for all plant process equipment and electrical / mechanical / instrument drawings.Team Member of the Magma – BHP Tintaya oxide project at both Bechtel and Kvaerner engineering offices. Reviewed equipment specs for all plant process equipment and electrical / mechanical / instrument drawings.Team member, BHP Global Maintenance Improvement Project.Team member on the first commissioned plant maintainability audit for Magma – BHP on the Tintaya Oxide Project.On site commissioning and plant start up at the Magma – BHP Tintaya, Peru Oxide Project.Team member for multiple maintenance audits at the BHP Escondida Chile Oxide operation.