Excavator Handbook
Created specifically for professional excavators, this comprehensive handbook provides in-depth guidance on safe digging practices while ensuring full compliance with Colorado state laws and regulations. It equips you with the critical information and best practices necessary to protect underground utilities and complete excavation projects responsibly.
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Pre-Excavation Checklist
Our pre-excavation checklist is designed specifically for professional excavators, providing step-by-step guidance to ensure every job meets safety and compliance standards. It incorporates industry best practices to help prevent utility damage and promote efficient, responsible excavation.
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Homeowner Brochure
Developed specifically for residential property owners, this informative brochure equips homeowners with essential guidance on safe excavation practices and outlines the requirements necessary to comply with Colorado state law. It provides clear instructions and practical tips to help protect both your property and underground utilities during any digging project.
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Homeowner Flyer
This flyer gives homeowners the key information needed to dig safely and follow Colorado state law. Learn simple steps to protect your property and underground utilities before starting any digging project.
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Color Code for Marking Underground Utility Lines
Utility marking color codes are used to identify the type of underground utilities in an area, helping ensure safe excavation and construction practices. These markings may be indicated with colored flags, spray paint, or both, to clearly show the location of buried utility lines.
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When Can I Dig?
Colorado state law requires the excavator to request locates of underground facilities for any project that involves digging, no matter how shallow. This infographic shows the steps to take before you dig.
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Tolerance Zone
Colorado law requires you to use reasonable care when digging within 18" of the marked utility lines. This area is known as the tolerance zone and hand digging is required. Always use caution when digging near underground utilities.
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Public vs. Private Utility Lines
Public utility lines are marked for free when you contact 811, but private lines—including sprinkler systems, gas lines to backyard grills, invisible fences, etc.—aren’t included. For safety, locate both public and private utilities before digging. Private lines can be marked by hiring a private locating company. Learn more. To find a private locate company near you, visit this page.
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Positive Response Codes
Positive Response is a vital communication process that plays a critical role in job site safety and regulatory compliance.
Positive Response Codes can help excavators understand the status of their locate request after utilities have been notified. Use this infographic to quickly see what each code means and how to confirm that job sites are ready for excavation.
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