Ajax Engineering LTD

Representative Previous Work

Project and Construction Management

Environmental Management and Monitoring

Environmental Management and Monitoring

  • Pinto Valley TDRCMQA 
  • Carlota Copper Company PCDC Buttress CQA
  • Carson Hill Gold Mine Site Characterization
  • Carson Hill Gold Mine Closure and Water Treatment
  • Mayflower Phases 1 & 2 Flood Control Tunnel
  • Jones Pit Reclamation CQA
  • Gold Gulch 1A PLS Pond Reconstruction
  • McNulty OSF Expansion
  • Midnite Mine CQA
  • Mine Tire Dump Soil Cover Placement
  • Road Crossing Pond Design and Construction

Environmental Management and Monitoring

Environmental Management and Monitoring

Environmental Management and Monitoring

  • BHP Water Management Plan Revision
  • BHP Miami-Globe Environmental Monitoring Program
  • Church Rock Quivira SWPPP
  • Aquifer Protection Permit Development
  • GIS Technical Services Support
  • Pinto Valley Potentiometric Surface Mapping
  • Pinto Valley SPCC, MSGP, APP Support
  • Pinto Valley Tailings Management Plan
  • Pinto Valley Waste Management Plan
  • Solitude Stormwater Monitoring
  • Old Dominion Stormwater Monitoring
  • Ray Mineral Creek Channel Inspection
  • PC Watershed Seeps and Well Measurements
  • Gold Gulch Repurposing APP Application
  • Phase 1 and 2 Isotope Sampling
  • Open Pit Lake Sampling
  • Monitoring well and piezometer instrumentation
  • Burch Pond Design and CQA

Geology and Hydrogeology

Environmental Management and Monitoring

Geology and Hydrogeology

  • BHP Exploration Drilling and Reserve Estimation
  • Castle Dome Core PV2
  • Copper Cities Borrow Investigation
  • Miami Unit Borrow Investigation
  • Jewel Hill Limestone Investigation
  • Henderson Mill Groundwater Studies
  • PV Deep Core Exploration and Infill Drilling
  • Pinto Valley Production Wells
  • Pinto Valley Pit APP Monitoring Wells
  • Pinto Valley Pit Infill RC Drilling
  • Carlota RC & Core Drilling
  • Limestone Quarries Investigation
  • Pinto Valley Production Well Exploration Planning
  • Copper Mine Geochemical Evaluation

Closure and Reclamation

Closure and Reclamation

Geology and Hydrogeology

  • Climax Closure Cost Estimating
  • Henderson Closure Cost Estimating
  • Jones Pit Reclamation Design
  • FR 287 Spur Road Reclamation
  • OD Shafts and Adits Closures
  • NMC Legacy Sites Execution Plans
  • OD Slag Regrade Design
  • OD Channel Repair
  • Pinto Valley 1-Dam Regrade and Cover Design
  • Pinto Valley 4-Dam Regrade and Cover Design
  • Hayden Ops Historic Tailings Reclamation Design
  • Deep Pit Buttress Geotechnical Investigation
  • Solitude Closure Engineering Design
  • Pinal Creek Bank Stabilization
  • Tri-ennial Closure Cost Provisioning

Surveying

Closure and Reclamation

Engineering

  • Miami Acid Plant Construction Staking
  • Miami-Copper Cities Overland Pipeline
  • Various Mine Property Boundaries
  • General Contractor Construction and As-built
  • Various Residential and Commercial Land Divisions
  • Peak Well Access Road
  • OD-CC Pipeline Mapping
  • Pinto Valley No. 3 Tailings Dam Lift
  • Pinto Valley Dam Crest Monitoring
  • Pinto Valley SX Settlement Monitoring
  • Miami Smelter Retrofit Construction Staking 
  • Pinto Valley Substation Easement
  • Deep Pit Buttress Prism Monitoring
  • SGS Burch Booster Surveying
  • Various drill site, surface sampling stakeouts
  • BHP Bathiometric Pit Lake Surveys
  • Slope Monitoring Surveying at Various Properties
  • Miami Concentrate Storage Construction Staking 
  • Flood Elevation Certificates
  • 82 EWC Mill Site Claims & 44 Lode Claims
  • Pinto Valley No. 3 Tailings Dam Prism Monitoring

Engineering

Closure and Reclamation

Engineering

  • Burch Booster Pump Station Geotechnical Investigation
  • No. 4 Tailings Dam Sump and Header Engineering
  • Turquoise Pit Regrade Plan
  • Mayflower Phase 2 Flood Control Tunnel
  • Climax No. 6 Crusher Retaining Wall Remediation
  • FR287 Culvert Replacement
  • Gold Gulch No. 2 Pond Stormwater Evaluation
  • Peeples Pond Compliance Evaluation
  • Pinto Valley Solid Waste Landfill Investigation
  • Pinto Valley Upper Catchment Seepage
  • Southwest Energy Geotechnical Engineering
  • Jumbo Dome Geotechnical Design and Permitting
  • Wishbone Hill Geotechnical Design
  • Two Bull/Frances Ridge Geotechnical Design
  • Rosalie Geotechnical Design and Permitting
  • Popovitch Geotechnical Design and Permitting
  • Hayden Ops Filter Plant Septic System Design
  • Gold Gulch Repurposing Engineering
  • Peeples Pond Design
  • CC Shop Drainage Plan Improvements
  • CC Deep Pit Drainage Plan Improvements