Boiling is evidenced by an upward water flow into the bottom of the cut. A high water table is one of the causes of boiling. Boiling produces a “quick” condition in the bottom of the excavation or trench, and can occur even when shoring or trench boxes are used.
For additional information, see OSHA Technical Manual (OTM) Section V: III. Overview: Soil Mechanics.
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As 45 years of experience as an underground/site contactor and a third generation contractor, Ron takes time to go through each individual project with the supervisor and is responsible for all scheduling and equipment logistics. He’s also involved in all troubleshooting for projects.