Pre-Dredge Bathymetric and Sub-bottom Survey of a pond at a golf course

Background Specialty Devices, Inc. (SDI) was contracted by ENVIROdredge to perform a pre-dredge bathymetric and sub-bottom survey of one of the flood control ponds located in Burning Tree Country Club, Greenwich, Connecticut.  The survey objective was to map the existing water bottom and sediment bottom by combining an acoustic bathymetric survey and vibracore sampling. Survey The

Read More

Hydrographic Survey of A River Channel in Texas

Background SDI was contracted by an Engineering Firm to perform an acoustic bathymetric and sub-bottom survey at a river channel in north Texas. The aim of this survey is to determine the present water bottom and sediment bottom elevation as well as sediment thickness distribution at the survey time.  Survey A Hemisphere S320 / A325 RTK

Read More

Geohazard Assessment of A Lake Dam in Texas by Acoustic Multibeam Survey

Background In order to perform a geohazard assessment, such as detecting and evaluating erosional and depositional patterns, across the dam area of a lake in Texas, SDI conducted an acoustic multibeam survey in 2017.  Survey A Teledyne Odom ES3 multibeam echosounder was adopted to carry out the acoustic survey. The multibeam echosounder operates at a

Read More

Worldwide Distributors

Specialty Devices Inc.
2905 Capital St.
Wylie Texas 75098

972-429-7240 office

European Distributors

Aquifer Advies bv
Ben ten Toom
Dr. Langeveldplein 6
3361 HE Sliedrecht
0184 – 413147
06 – 24745947

About SDI

For over 30 years, SDI has designed and manufactured bathymetric and sub-bottom survey systems, sediment coring devices, and other specialized survey systems. SDI also provides geospatial, geophysical, hydrographic, sub-bottom, and sediment sampling services.