About TESS ยป What Happens When You Call
It's FREE. It's Easy. It's your Responsibility ... It's the LAW!
These simple steps may be the most important you ever take:
1. Call Us Call us 2 working days before you dig at (800) DIG-TESS. Tell us about your project including location, address, work done for who, type of work, how long it will take, as well as any special instructions needed to make sure the right area gets marked. We can accept GPS coordinates. |
2. We Notify Member Companies TESS will tell you which of our member companies will be notified about your excavation near their underground lines. We will provide you with a reference number that serves as proof of your call. We also keep a complete record of your call to verify your compliance with the law. | |
3. They Mark Lines TESS Member Companies will mark their underground lines, as they determine necessary, and you will be able to work safely and without delay. Marking Examples |
4. You Dig Safely Begin your project with the peace of mind and confidence in knowing you are utilizing safe excavation practices while preserving vital services, protecting property and saving lives! | |
Color Code
For Marking Underground Utility Lines
White - Proposed excavation
Pink - Temporary survey markings
Red - Electric power lines, cables, conduit and lighting cables
Yellow - Gas, oil, steam, petroleum or gaseous materials
Orange - Communication, alarm or signal lines, cables or conduit
Blue - Potable water
Purple - Reclaimed water, irrigation and slurry lines
Green - Sewer and drain lines
