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Kaiser Cement Corporation
Permanente Aggregate
Cupertino, California
For the modernization of their existing sub-base and coarse
aggregate plant, Kaiser Cement selected Roberts & Schaefer
to provide engineering services and prepare a feasibility study.
The objective of the modernization was to produce concrete aggregate,
sand, and a variety of sub-base products to serve the local area.
Designed to produce 2,100,000 TPY, the new facility ties into
the existing coarse aggregate stockpile and conveying system and
provides crushing and screening facilities to produce the custom
blending of ASTM and California State Highway specification products,
concrete sand, base rock and asphalt rock. Washed and rinsed aggregate
products reclaimed from storage are automatically weighed and
loaded into customer trucks. The modernization had to fit into
the restricted existing space at the site and construction had
to allow the existing site operations to continue.
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