Compaction grouting used to densify liquefiable sands adjoining Grayson Creek in Pleasant Hill, California.
© 2012 DCM Consulting, Inc.
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Client Base
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Since 1984, Dave Mathy has provided geotechnical and trenchless engineering services to the following valued clients:
Public Sector Clients - Owners:
- Alameda County Water District
- Castro Valley Sanitary District
- Central Contra Costa Sanitary District
- City of Antioch
- City of Brentwood
- City of Brisbane
- City of Burlingame
- City of Healdsburg
- City of Livermore
- City of Monterey
- City of Oakley
- City of Palo Alto
- City of Petaluma
- City of Pleasanton
- City of Redding
- City of Rohnert Park
- City of San Leandro
- City of San Mateo
- City of South San Francisco
- Contra Costa Water District
- County of Alameda
- County of Solano
- Delta Diablo Sanitary District
- Dublin San Ramon Services District
- EBMUD
- Fairfield-Suisun Sanitary District
- Iron House Sanitary District
- Livermore Amador Valley Water Management Authority
- Livermore Area Recreation and Park District
- Marina Coast Water District
- Napa Sanitation District
- North Marin Water District
- Oro Loma Sanitary District
- Sanitary District No. 1 of Marin County
- Santa Cruz County Sanitation District
- Sonoma County Water Agency
- South Bayside System Authority
- Union Sanitary District
- Vallejo Sanitation and Flood Control District
- West Valley Sanitation District
Public Sector Clients - Design Firms:
- Brown & Caldwell
- Carollo Engineers
- CDM
- Covello Group
- GHD
- Harris Associates
- HDR Engineering
- Kimley-Horn
- Montgomery Watson Harza
- Parsons Engineering Science
- Psomas
- RBF Consultants
- RMC Water and Environment
- Sverdrup Civil
- Tetra Tech
- V & A Engineers
- Water Works Engineers
- West Yost & Associates
- Whitley, Burchett & Associates
- Winzler & Kelly (GHD)
Private Sector Clients:
- Cardoza Properties
- De La Salle Institute
- Kelly-Moore Paint Co.
- Level (3)
- Metromedia Fiber Network
- Northview Pacific Laboratories
- Oliver and Company
- Stanford Restaurants
- SPI Management
- University of the Pacific
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Client Base