Day & Zimmermann is the nation’s leading provider of maintenance and modifications services to the U.S. power industry helping coal-fired and natural gas plant owners generate power.
Our Total Accountability Model provides a single point of contact driving accountability across safety, human performance, cost, schedule, quality, and resource supply.
Our teams are familiar with, and have worked on, virtually every primary and secondary plant system in both outage and non-outage environments, routinely executing critical and near-critical path work scopes.
Our experienced, highly qualified welders perform everything from large turn-key projects to small emergent scopes for nuclear and fossil utilities nationwide.
Our full-scope capabilities are an integrated approach, including valve and operator testing, repair, and refurbishment.
From scaffolding design to decontamination and storage, our planning and implementation process is designed to reduce or consolidate scaffold use.
Approximately 66% of all US energy is generated by fossil fuels.
Emissions from coal-based electricity generation have decreased by more than 40% since the 1970s while coal use in the U.S. has tripled.
The coal industry provides more than $1 billion in total U.S. labor income.
Day & Zimmermann provided supervision, craft labor, and construction services to install a United Conveyor-supplied Submerged Flight Conveyor (SFC) system and Dry Flight Conveyors (DFC) at MidAmerican’s Neal Energy Center Unit 3 during the spring 2018 outage.
Using engineering and rigging expertise, D&Z successfully removed and replaced two feedwater heaters with only inches to spare.
D&Z team performed final construction and commissioning of a 440 MW combined-cycle gas plant set to serve 25,000 customers in the Pacific Northwest, meeting strict, federally mandated first-fire date, safely and on-budget.
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