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JAMES L. STEFFEN

PARTNER / OWNER

hydrojim@comcast.net

EDUCATION

On September 14th, 1988

James L. Steffen obtained certification as an In-Shore Hydrographer from the American Congress of Surveying and Mapping.

EMPLOYMENT

from 1968 to 1973 

During the above period James L. Steffen worked for Professional Planners as chief of party on high precision control surveys.

from 1973 to 1980 

During the above period James L. Steffen worked as chief of party for Dredging Companies (including American Dredging

Company, previously located in Camden, NJ) working on hundreds of projects doing various types of fathometric surveys

from 1980 to Present  

During the above period James L. Steffen has been a partner/owner of Hydrographic Surveys. Hydrographic Surveys specializes

in fathometric surveys and has performed over 1,500 surveys. Mr. Steffen is in charge of AutoCAD, the computer department,

quality control of all field data, editing and processing of data, design and plotting, volume calculations, 3-D modeling, project

scheduling and control, proposals and estimates, survey reports, geodetic layout, horizontal and vertical control. Jim is a GPS

technician, computer technician and project designer.

AREAS OF EXPERTISE

James L. Steffen utilizes Hydrographic Survey software Hypack Max, operating system windows XP, for post processing of data. 

All data is inspected thoroughly. Each survey run is viewed in Hypack Max software and compared to the fathometer analog, to be

sure they correspond.  Face soundings are always examined carefully during the post processing procedure. Drawings are produced

in AutoCAD, release 14.

Jim Steffen has been in the hydrography field for nearly 30 years and a partner/owner of Hydrographic Surveys since 1980.  Jim is in charge of AutoCAD, the computer department, quality control of field data, editing and processing of data, design and plotting, volume calculations, 3-D modeling, project scheduling and control, proposals and estimates, survey reports, project design, goedetic layout and horizontal and vertical control.