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Sand and gravel facilities generally extract their raw material
from ancient riverbed deposits, serve a local marketplace, have
narrow production capabilities, have restricted or limited reserves,
and ship by truck.
It is essential each project be executed with reason and common
sense to meet the limited capital resources these facilities can
support. The plant size or range of products does not change our
commitment to versatility, functionality and operating efficiency.
Roberts & Schaefer Company offers "Full Service" engineering,
construction and commissioning of these plants. Whether a fines
handling and sand production plant, "decorative stone" production,
or other specialty products, each facility is designed with an
understanding of how to maximize plant production and net profit.
The project that best illustrate our performance is presented
below.
 ROCK-SAN
GRAVEL COMPANY
Aggregate Plant
Lodi, California
R&S provided services for Rock-San Gravel Company's 800 TPH
aggregate and sand plant, including a placer gold recovery circuit.
This facility produces aggregates and sand for the concrete market
and decorative rock for the landscaping market. In-depth
project information
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