DIG SAFE. WORK SAFE.
SAFETY CENTER
Underground utility strikes cause injuries, service disruptions, and costly damage every day. Learn how to protect yourself, your crew, and your community.
Essential Tips
SAFE DIGGING BEST PRACTICES
Contact USG First
Contact our team at least 2-3 business days before any digging project. Professional utility locating prevents accidents and saves lives.
Wait for Marks
Do not begin excavation until all utilities have been marked. Marks are typically valid for 14-30 days depending on your state.
Respect the Zone
Hand dig within 18-24 inches of marked utilities. Never use mechanical equipment in the tolerance zone.
Protect Exposed Lines
Support and protect any exposed utilities during construction. Backfill properly when work is complete.
Guidelines
DO'S AND DON'TS OF EXCAVATION
Do
- Always request a locate before you dig
- Wait for utility marks before excavating
- Hand dig near marked utilities
- Use white paint to mark your dig site
- Take photos of utility marks
- Keep utility marks visible during project
- Report any utility damage immediately
- Verify marks with your locate technician
Don't
- Never assume you know where utilities are
- Don't ignore expired or faded marks
- Never move utility markers
- Don't use mechanical equipment near marks
- Never backfill damaged utilities
- Don't start digging without a valid ticket
- Never dig deeper than your ticket allows
- Don't ignore "No Conflict" notices
APWA Standards
UTILITY COLOR CODES
The American Public Works Association (APWA) Uniform Color Code identifies underground utilities by color.
Red
Electric Power Lines, Cables, Conduit, Lighting
Yellow
Gas, Oil, Steam, Petroleum, Gaseous Materials
Orange
Communication, Alarm, Signal Lines, Cables
Blue
Potable Water
Green
Sewer and Drain Lines
Purple
Reclaimed Water, Irrigation, Slurry Lines
Pink
Temporary Survey Markings
White
Proposed Excavation Area
FAQ