Hawaii Hydrovac & Excavation Regulations
Excavation laws, 811 requirements, and licensing information for Hawaii.
Hawaii requires excavators to contact the Hawaii One Call Center before any excavation. The state's unique island geography and volcanic soil conditions make utility locating and safe excavation practices essential.
Hydrovac services are valuable in Hawaii due to challenging ground conditions including lava rock and coral. Contractors must follow Hawaii's damage prevention requirements while also adhering to environmental protection regulations.
Call Before You Dig: Hawaii One Call Center
Phone: 811 | Notice Required: 5 working days
Visit Hawaii One Call Center WebsiteTolerance Zone
Careful excavation required within 30 inches of marked underground facilities.
Key Regulations
One-Call Center Law
Requires notification to the one-call center before excavation activities begin.
HRS Chapter 269E
Extended Notice Period
Hawaii requires 5 working days advance notice due to logistical challenges of island operations.
Environmental Compliance
Excavation must comply with Hawaii Department of Health environmental protection requirements.
Penalties for Violations
Violations can result in fines and damage liability.
Maximum Fine: $5,000
- ●Full liability for repair costs
- ●Possible suspension of work permits
Licensing Requirements
- Hawaii contractor license from the Contractors License Board
- Compliance with county permitting requirements
- Environmental liability insurance
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