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Engineering Geology

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Sea Bluff Retreat

Sea bluff definition and estimates of retreat rates are required for permitting of improvements to coastal properties by local and state agencies.  Cleath-Harris Geologists evaluates the location of the sea bluff over history using aerial photographs, topographic/property boundary surveys, and improvements that have been undermined to establish 50-100 year retreat rates and the episodic failures that can occur.  Bluff face stability is assessed based on geologic formations and their structure.   Storm wave run-up and tsunami wave run-up are estimated and considered when understanding the historic and future erosional conditions.  Climatic changes that are being projected will impact our coastal bluffs and sea water level changes evaluated by a review of various climatic models.  Setback requirements are recommended based on site studies and regulatory compliance documents.

75 Zaca Lane, Suite 110
San Luis Obispo, California 93401
(805) 543-1413 • [email protected]                                                                                                                                                                                                         
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