Monday, June 24, 2019
Cochren Foundation
Newsletter

CITY OF CAMBRIDGE
Sewer Installation Delayed due to foundation Failure
A utility company trenched in a gas line adjacent to a property with a stone rubble foundation. The excavation and vibration caused sections of the stone rubble wall to fall stopping all future work on the underground services.
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The initial solution was to install timber lagging to protect the wall from the 14’-0” sewer cut within 8’-0” of the foundation. However, the 110” wide narrow laneway precluded drilling rigs from accessing the site.
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The solution required shoring up the front of the house, removing parts of the foundation, installing five – 14’-0” deep helix piers (14 kip capacity) and constructing a reinforced concrete foundation wall. Cochren Foundation and Repair provided engineered drawings within 48 hours and completed the work in 3 business days.
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