DLZ specializes in geotechnical investigations for foundation design, retaining walls, slope stability and other geotechnical engineering services.
 
DLZ provides design and analytical expertise backed up by complete in-house support services. These services include construction supervision and observation, field testing, soil and foundation investigations, environmental investigations, laboratory testing, and civil and structural design services.
 

Geotechnical Services
The Ohio Department of Transportation (ODOT) selected DLZ to provide complete geotechnical services for a proposed 16-mile limited access bypass highw...
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