Day & Zimmermann (D&Z) provides safe, efficient, and responsive maintenance and repair at hydroelectric facilities across the country. As the U.S. moves towards a greener energy future, more of that energy will come from hydrological sources. D&Z is here to support your hydroelectric dam and facilities with maintenance, repair, and construction.
You want a partner that can help lower your total cost of ownership by providing comprehensive maintenance solutions that optimize efficiency, reduce energy costs, and improve overall performance. With effective maintenance, your hydroelectric plants can achieve longer equipment life, lower maintenance costs, and reduced downtime, all of which contribute to a lower total cost of ownership over time.
D&Z has more than 40 years of experience working in power generation, including hydro power.
To achieve the most efficient operations, hydroelectric plants need a partner that is responsive to their demands and understands the unique challenges and requirements of a hydro plant. A responsive partner can help identify potential issues before they become major problems, reducing the risk of costly downtime and lost revenue.
D&Z services include supervision, labor, tooling, and equipment for unit overhaul, technical assistance and design services, materials procurement, and machining and fabrication services.
You know that hydroelectric facilities require specialized expertise to ensure that maintenance is carried out correctly and safely. Hydroelectric plants are complex facilities with unique maintenance requirements, and it is crucial to have a partner with extensive experience and expertise in this area.
D&Z inspects, repairs, and replaces control and isolation gates and hydraulic systems, turbine runner maintenance, generator repairs, and managed diver cleaning services.
By partnering with a responsive and experienced maintenance provider, hydroelectric plants can achieve optimal efficiency, reduce costs, and ensure the continued delivery of clean, renewable energy for years to come.
Tainter Gate Maintenance
Penstock Piping Mods/Repairs
Turbine Repair and full overhauls
Stoplogs Maintenance
Waterwheels and Generators Replacement
Balance-of-Plant Maintenance
Cavitation Repairs
Generator Air Cooler Replacement/Repairs
Thrust Cooler & Piping Replacement/Repairs
Intake Gate Refurbishment
Civil Work
Concrete Work (Slabs, Water Well Pads, Instrumentation Pads, Ash Stack Maintenance Work)
Hydro Life Extension (HLE) Projects
Hazmat Trained for Clean-up & Disposal