
Dams
Building heavy hydro infrastructure, spillways, and dam rehabilitation projects that safeguard water supply and generate clean energy.
Bringing knowledge and foresight to every project
Water Resource Governance
Managing reservoir capacity, flow control, and environmental compliance during high-capacity dam construction.
Structural Rehabilitation
Extending the operational life of aging dams using deep gantry grouting and post-tensioned anchor systems.
Hydropower Integration
Constructing powerhouse civil works, penstocks, and turbine foundations for renewable energy generation.
Emergency Spillway Engineering
Designing high-velocity auxiliary spillways and stilling basins to handle extreme flood events safely.
Project spotlight: Wanapum Dam Spillway Structural Enhancement
Our team executed deep post-tensioning anchors and structural concrete reinforcement across the Wanapum Dam spillway, restoring full hydro-generation capacity while maintaining active Columbia River flow control.
Partnering today to build the dams of tomorrow
SNS Construction has engineered and rehabilitated over 35 major dams and hydroelectric structures worldwide.
