Rob Roman Cell: (832) 798-1486 
Tim Seward Cell: (713) 302-3710                                  rroman@hydro-ltd.com



The field of hydrographic surveying is one that has been rapidly evolving since the introduction of automated electronic surveying in the late 1970’s.   Hydrographic Consultants, Ltd. (HCL) was formed to meet the challenges of maintaining up-to-date standards and equipment in this ever-changing environment, with the purpose of providing service and support to both the public and private sector in pursuit of their hydrographic survey needs.

The mission of HCL is to consistently provide up-to-date technology, practices and expertise in the field of surveying in order to provide the best service and value to our clients.  Our personnel have years of experience in performing all types of surveying for construction and navigation projects ranging from leadline/tagline surveys to today’s real time kinematic (RTK) GPS and multi beam survey techniques. This wide range of survey experience allows us to better understand the survey methods and procedures that best fit the needs of the client.

HCL provides surveying services including consulting and training for the following types of surveys:

  • Single Beam
  • Multi Beam
  • Real Time Kinematic (RTK) GPS for Hydrographic and Topographic Applications
  • Beach Profiling
  • Side Scan and Side Scan Mosaicing
  • Geophysical Surveys – Sub Bottom, Magnetometer and Gradiometer
  • Sector Scanning Sonar
  • Data Processing and Mapping for all Survey Services Offered 


​HCL provides a full range of services, from project planning, equipment procurement, data acquisition to final data processing and mapping. Our personnel are thoroughly familiar with the requirements and procedures for performing Class I surveys as provided by the USACE document EM 1110-2-1003, “Hydrographic Surveying”, in addition to providing high quality deliverables conforming to USACE document EM1110-1-1807 “Standards Manual for U.S. Army Corps of Engineers Computer-Aided Design and Drafting (CADD) Systems”.