McMillen

Delivering complete design, evaluation, and engineering solutions for large-scale concrete, earth, and rock-fill dams, dikes, and levees.

• Heavy Civil and Concrete Work

  Providing construction engineering, cofferdam installation, and dewatering for heavy civil structures.

• Spillway and Gate Rehabilitation

  Restoring and upgrading critical outlet structures, spillways, tailraces, and gate assemblies.

• Ancillary Systems Integration

  Upgrading mechanical and electrical components, including cranes, hoists, switchboards, and remote SCADA monitoring.

Safeguarding communities through proactive inspection, comprehensive risk profiling, and emergency planning.

• Regulatory Compliance Inspections

  Conducting FERC Part 12D inspections, Canadian Dam Association safety reviews, and state-level regulatory audits.

• Failure Mode and Risk Analysis

  Facilitating potential failure mode analyses, quantitative risk assessments, and portfolio risk management plans.

• Inundation Mapping and Hydrology

  Modeling flood routing, dam breach scenarios, and inflow design floods to define hazard classifications.

• Structural and Geotechnical Diagnostics

  Performing advanced rope-access condition assessments, non-destructive testing, and seismic stability modeling.

Helping energy developers navigate complex licensing requirements and physical upgrades for power assets.

• Pumped Storage and Power Generation

  Designing water-to-wire systems, including generation facilities, intakes, and structural components.

• Regulatory Licensing and Approvals

  Guiding clients through federal relicensing processes and securing multi-agency environmental permits.

• Plant Modernization and Upgrades

  Extending the life of existing generation facilities through mechanical, electrical, and structural improvements.

Mitigating the ecological impact of physical water barriers on migratory fish and river ecosystems.

• Fish Passage and Exclusion

  Developing upstream and downstream fishways, trap-and-haul facilities, and protective screening systems.

• Hatchery Engineering and Delivery

  Providing full engineering, procurement, and construction services for aquaculture and conservation centers.

Analyzing water behavior to optimize engineering designs and satisfy safety requirements.

• Computational Fluid Dynamics

  Using high-performance simulations to evaluate scour risk, outlet performance, and total dissolved gas abatement.

• Flood Routing and Analysis

  Evaluating probable maximum flood scenarios, spillway capacity limits, and reservoir overtopping risks.