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​Innovate Mound 
Subsurface Utility Engineering
Client: Macomb County Department of Roads 
Location: Macomb County, Michigan
Prime Consultant: HNTB
Sub Consultant: NTH Consultants, Ltd. 
Total NTH Budget: $230,000
Project Start: September 2019
Project Completion: 2024
​Project Overview
Mound Road is one of the most important corridors in Southeast Michigan serving production of tanks during WWII to modern-day high-tech research and production facilities. The corridor is a major hub for national automotive, defense, aerospace, and advanced manufacturing industries. The corridor runs from I-696 north to M-59, carries more than 70,000 vehicles daily, and is home to more than 47,000 employees.

Innovate Mound is more than a reconstruction project. It is a re-envisioning of the corridor to include improvements to the roadway, pedestrian facilities, and smart technologies for emerging mobility features. This project will serve the long-term needs of local businesses and citizens alike.

Project Scope
The project is planned to be procured under design-build methodologies. NTH is serving on behalf of the Macomb County Department of Roads preliminary engineering team to collect and depict subsurface utility information along the corridor. NTH is performing subsurface utility engineering (SUE) services including Utility Quality Levels D through A at discreet locations along the corridor. The objective of the SUE services is to provide the design-build teams with enough data on the existing subsurface utilities to develop their proposals to design and build the project.

Specifically, NTH is field designating subsurface utilities including gas, water, communications, and electric services. The designated utilities are being surveyed by the team surveyor and included in the project documents. Additionally, NTH is performing vacuum excavations of these utilities at critical locations to provide confirmation of the 3D positions of the utilities. The exposed utilities are surveyed in the field and logs of their positions and other details are provided for design.

The field investigations are focused on the most critical utilities and at the most critical locations along the project corridor. The engineering team worked collaboratively to identify the utilities which have the most impact on the local businesses and residents for field investigation as well as the locations along the project that are most likely to impact the existing utilities. The critical locations generally consisted of intersections along Mound Road that are anticipated to be modified or have other subsurface work performed in support of the project.