Underground Detective Blog

Buried utility warning marker

Subsurface Utility Engineering

Buried Utility Warning marker

SUE is an engineering technique which identifies the quality of underground utility information. Using this technique will result in better designs and enhance damage prevention efforts. The American Society of Civil Engineers (ASCE) developed standard 38-02, which is a Read more >

Ready to Dig? Read This First! What do the colors mean?

What do the colors mean?


Have you ever pulled into a grocery parking lot or a gas station and noticed the lot is spray painted with all colors of the rainbow?  Have you ever driven through a neighborhood and noticed a yard with many small, Read more >

using GPR to locate unmarked graves

Locating Unmarked Grave Sites

The daily tasks of the Underground Detective technicians mostly involve using ground penetrating radar (GPR) to locate underground utilities, UST’s, and other objects in the underground. But occasionally, a little variety is added to our days when we are asked Read more >

Vacuum Excavation in progress

Why Is Vacuum Excavation So Important?

So you have had the one call locators out, followed by your private utility locator.  Now what? Often, a surveyor or utility mapper is your next step, taking all of those surface markings and putting them onto a map or Read more >

The Underground Detective logo

What is Subsurface Utility Engineering (SUE)?

SUE (subsurface utility engineering) is an engineering technique which identifies the quality of underground utility information. Using this technique will result in better designs and enhance damage prevention efforts. The American Society of Civil Engineers (ASCE) developed standard 38-02, which Read more >

utility line markings

State One-Call vs Private Utilities Location

Private utilities location – Do I need it?

The 811 State One-Call is a call everyone needs to make before starting any excavation project! It is a free service which will cover locating all underground utilities from the street to Read more >