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Shady Grove Metro Station Access Roads Utility Location/Test Holes, Montgomery County, MD

Associated with designs for access roadways and drainage systems for the Shady Grove Metro Station, A. Morton Thomas and Associates, Inc. directed subsurface utility engineering services including horizontal and vertical location, identification and verification of utilities utilizing test hole excavation.

Services included:

• Obtained all permits required for test hole excavations
• Evaluated potential for conflict with existing utilities of the proposed construction
• Excavated test holes utilizing air/vacuum excavation
• Installed permanent survey markers over the centerline of the pipes, edge or concrete structures or conduit banks at grade
• Recorded location of permanent marker with swing tie measurements to existing permanent structures
• Surveyed test hole locations
• Prepared test hole reports

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