Sweet Rewards

A new composite cutting blade and a hydraulic ram enable a California contractor to replace corroded pipes without disrupting a factory’s production line.

A 6-inch sanitary sewer and 4-inch production line drain at the Ghirardelli Chocolate Factory in San Leandro, Calif., were backing up. Plant engineer Paul Gibula called Ben Patterson, a consultant with TRIC Tools Inc. in Alameda, for help.

Patterson found water standing under the...

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