LADOTD Retainer for Subsurface
Utility Engineering Services - Statewide
S.P. No. 700-99-0537


SJB Group, LLC, as a member of the Cardno TBE team on the LA DOTD retainer project S.P. No. 700-99-0537 awarded in March 2010.  SJB’s role is to furnish survey crews capable of providing the following services for this project:

  • Locate existing subsurface utilities that have been marked by Cardno TBE.  When locating the utilities, SJB has the capabilities of using the LA DOTD code list to identifying all utilities and their corresponding attributes. 
  • All surveys shall include (in addition to subsurface utility features visible at the ground level): determination of invert elevations of any manholes and vaults; sketches showing interior dimensions and line connections of such manholes and faults; any surface markings denoting subsurface utilities furnished by utility owners for design purposes.
  • Upon completion of the field work, SJB has the capabilities of importing the data into Microstation/InRoad survey.


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Subsurface Utility Engineering Services


Statewide, LA


Cardno TBE Group


July 2011