The American Public Works Association encourages public agencies, utilities, contractors, other associations, manufacturers and all others involved in excavation to adopt the APWA Uniform Color …

Color Code: A uniform color code and set of marking symbols is adopted nation wide. The following APWA uniform color code (ANSI Z535.1) shall be adopted as the uniform color code for marking …

Locators use the APWA Uniform color code to mark underground facilities. Each color used represents a different type of utility. The chart depicts what each color represents.

Operators of a single type of facility (e.g., TELCO) mark the area “NO” followed by the appropriate company identifier in the matching APWA color code for that facility.

White: Pre-marking of the outer limits of the proposed excavation or marking the centerline and width of proposed lineal installations of buried facilities. Pink: Temporary Survey Markings. Red: Electric …

FOR MARKING UNDERGROUND UTILITY LINES WHITE – Proposed excavation PINK – Temporary survey markings RED – Electric power lines, cables, conduit & lighting cables YELLOW – Gas, oil, …

This podcast shines a spotlight on the people and projects that keep our cities running—humanizing the work and the professionals who make it happen. Each episode dives into a wide range of topics …

Understand the American Public Works Association (APWA) uniform color codes used to mark underground utilities. Learn what each color, including red, yellow, and blue, represents to ensure …

Calling before you dig ensures that any publicly owned underground facilities will be marked according to the APWA color code so that you can dig safely.

APWA UNIFORM COLOR CODE (for marking underground utility lines) Proposed Excavation Temporary Survery Marking Electric powerlines, cables, conduit and lighting cables Gas, oi , steam, …