Project: East Bay Municipal Utility District, Oakland, California USA
Installation of 72" (1.82M) diameter sewage pipe.
Equipment:G&Z Self-Propelled Shredder/Backfill Processor for mixing kiln dust with wet, sticky native clay soil to produce friable backfill material at high production rates, 300-500 T/hr (272-453 Metric T/hr).
Note: The contractor successfully removed wet, sticky native clay soil (18-20% moisture) from the trench for the 72" (1.82M) diameter sewage pipe; processed the soil through the Shredder/Backfill Processor adding kiln dust (KD-83); and used the treated material for backfill over the pipe. The treated material met Caltrans' structural backfill material requirements. The process and the resulting material were approved by both Caltrans and the East Bay Municipal Utility District.
Stockpiled clay soil awaiting processing
Front end loader with side tilt bucket loads processor hopper (9 yd³)
Stockpiled processed material
End product
Processed backfill being compacted over pipe with backhoe equipped with a hoe-ram
Pricing
Pricing information can be obtained by contacting Guntert & Zimmerman directly.
Email for additional information on the
Self-Propelled Clay Shredder/Backfill Processor.
Guntert & Zimmerman Const. Div., Inc. 222 East Fourth Street
Ripon, California 95366 U.S.A.
Phone: (209) 599-0066 Fax: (209) 599-2021
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