HEO Level 1 Underground Utilities Safety Test And Color ID

In underground utilities identification what color represents proposed construction?

• White

• Pink

• Red

• Yellow

In underground utilities identification what color represents electric utilities ?

• Orange

• Green

• Yellow

• Red

In underground utilities identification what color represents sewer and drain lines ?

• Brown

• Green

• Purple

• Pink

In underground utilities identification what color represents temporary survey markings ?

• Orange

• Green

• Pink

• White

In underground utilities identification what color represents gas, oil, steam, petroleum, or gaseous materials ?

• Orange

• Yellow

• Red

• Blue

In underground utilities identification what color represents communication, cable tv, alarm or signal lines, cable or conduit ?

• Yellow

• Blue

• Green

• Orange

In underground utilities identification what color represents reclaimed water, irrigation and slurry lines ?

• Purple

• Brown

• Green

• Orange

In underground utilities identification what color marking represents potable water ?

• Aqua

• Yellow

• Green

• Blue

What is the phone number you must call before you dig to locate utilitys ?

• 1-800-DIG-SAFE

• 411

• 811

• 1-800- DIG-NYST

With 811 call before you dig, what is the minimum number of working days before the excavation begins must you file a request ?

• One

• Two

• Three

• Ten