Ash Grove Cement Company
Clinker Cooler Optimization Study
Leamington, Utah
PacifiCorp demand-side services commissioned Roberts & Schaefer
to suggest optimizations to the Ash Grove Cement Company's Leamington,
Utah clinker cooler system. R&S found that the fans in the
clinker cooler system were controlled by outlet dampers, and suggested
improvements that included variable-speed drive fans and control
system modifications.

Once the suggestions were approved, Roberts & Schaefer made
the improvements as part of the PacifiCorp "finanswer"
program, which required verification of optimization impacts by
a third party.
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