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|NORTH UNION BAY 18B CSO RETROFIT|
McClure and Sons Inc.
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Porter Brothers Construction
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Aldrich & Associates
November 21, 2012
Stephen Hannan, a civil engineer with Ridolfi, has passed the registered engineer exam, and Eric Buer, a geologist/geomorphologist, is now a licensed hydrogeologist in Washington. Seattle-based Ridolfi provides engineering and consulting services for natural resources, environmental cleanup, habitat restoration, waste management and energy efficiency.