Subsurface Utility Engineering


Metzger + Willard, Inc. (MWI) provides subsurface utility engineering (SUE) services, helping clients avoid construction delays caused by utility conflicts. The SUE process combines civil engineering, surveying, and geophysics. MWI SUE technicians use several technologies including vacuum extraction and ground penetrating radar (GPR) to determine utility locations. Depending on clients’ accuracy requirements, MWI can provide ASCE Standard 38-02 Quality Levels A through D.

Benefits of SUE include

  • Unnecessary utility relocations are avoided
  • Reduced construction cost
  • Reduced construction delays
  • Reduced contractor claims
  • Improved project safety


Location of force main using vacuum extraction
19th Avenue
19th Avenue
Location of water main using vacuum extraction
Fawn Ridge
Fawn Ridge
Location of water main using GPR
Manhattan Avenue
Location of force main
Kings Point
Kings Point
Location of water main throughout Kings Point,
Sun City
Highland Lakes
Highland Lakes Force Main
Location of 25,000 LF of force main throughout Highland Lakes