MDOT SHA Area-wide TMDL Design-Build

MDOT SHA Area-wide TMDL Design-Build

Contract No. AX7665D82

HLS provided topographic surveys and prepared a survey base plan, property mosaic, and right-of-way work map in accordance with MDOT SHA survey performance specifications in 2019.

HLS Duties Included:

  • All office and field surveys to perform topographic survey for various retrofit areas.
  • Field work to establish survey control at each of the project locations.
  • Locate stream channel including top and bottom of banks and thalweg, where present.
  • Locate visible utilities, water, sewer, storm drains, with invert elevations (only where accessible), 18” and larger trees, wetlands limits (where delineated) and other existing features such as edge of roadway.
  • Office computations to prepare existing conditions topographic survey base for use by the project team. Work completed in MicroStation V8i.
  • Research of existing SHA right-of-way and adjoining properties.
  • Review of SHA survey books and as-built plans to determine most accurate means to re-establish the existing right-of-way.
  • Field recovery and location of right-of-way reference points.
  • Re-establish SHA right-of-way and plot adjoining property deeds to create a deed mosaic and work map.

In a future phase, HLS will prepare Metes and Bounds and Survey Plats in accordance with MDOT SHA specifications.

HLS Duties Will Include:

  • Perform metes and bounds survey.
  • Search for and locate existing boundary markers and SHA baseline references, and set additional survey control as needed.
  • Office computations for boundary determination.
  • Prepare SHA Plats to be used for right-of-way acquisition. Plat will be prepared in accordance with MDOT SHA specifications.

Posted on

July 24, 2019