www.concreteproducts.com March 2017 • 35
ERNST OF GEORGIA
An MPAQ Automation package runs bins feeding the new Lawrenceville
plant. In lieu of loader operator monitoring, the PLC-based control system
takes bin level indicator signals and automatically keeps overhead aggre-
gate compartments full.
The Lawrenceville upgrade saw the addition of an energy-efficient,
10,000-gal. Pearson tank supplying the new and existing batch plants.
Ernst staff members find the vessel much more energy efficient than a
prior hot water source. Performance insulation sustains target or near-tar-
get water temperatures days after a heating cycle.
A two-tanker, eight-dump
fleet—not hiding an owner-
ship message unique for a
multi-plant, Atlanta-area oper-
ator—serves two Ernst Georgia
divisions. Here, the new Ernst
Enterprises of Georgia plant re-
ceives a load of fly ash. A tank-
er with less decorated tractor
handles powder transfer to the
Lawrenceville silos from the
neighboring National Cement