Nevada Administrative Code Chapter 704A - Facilities Placed Underground
Nevada Administrative Code (NAC)
Chapter 704A — Facilities Placed Underground
Overview:
Chapter 704A governs the construction, operation, maintenance, and safety of underground utility facilities, pipelines, and related infrastructure in Nevada. These rules apply to utilities such as water, gas, electric, and communication lines that are placed underground, ensuring public safety, proper installation, and compliance with state regulations.
1. Definitions (NAC 704A.010 – NAC 704A.030)
This section defines key terms used throughout the chapter.
Key points:
“Underground facility” means any pipeline, conduit, or equipment installed beneath the surface.
“Operator” refers to the person or entity responsible for installation, operation, and maintenance.
“Excavation” refers to any work involving digging near or around underground facilities.
Why it matters:
Clear definitions are essential to avoid ambiguity in legal and safety responsibilities. For instance, knowing what counts as an “operator” determines who is liable for damage or non-compliance.
2. Location and Marking Requirements (NAC 704A.040 – NAC 704A.070)
This section sets rules for marking the location of underground facilities to prevent accidental damage.
Key points:
Underground facilities must be clearly marked above ground with signs or paint.
Operators must respond to excavation notifications within a specified timeframe (often 48 hours).
The depth and position of facilities must be documented and available for public or contractor inquiries.
Why it matters:
Accidental digging into underground pipelines or cables can be dangerous, costly, and legally liable. Proper marking prevents injuries, service interruptions, and property damage.
3. Installation Standards (NAC 704A.080 – NAC 704A.120)
This section governs how underground facilities must be installed.
Key points:
Facilities must meet state safety codes for material, depth, and protective covering.
Separation distances between utilities (water, gas, electric) must be maintained to avoid cross-contamination or electrical hazards.
Installation requires qualified personnel following approved engineering and construction plans.
Why it matters:
Correct installation protects the integrity of the system, prevents leaks, and ensures long-term reliability.
4. Excavation Near Facilities (NAC 704A.130 – NAC 704A.170)
This section regulates how digging or construction work is done near underground facilities.
Key points:
Anyone planning excavation must notify the operator before digging.
Operators must provide markings and guidance to avoid damaging their facilities.
Excavators must exercise care, hand-dig when necessary, and follow safety protocols.
Unauthorized excavation or failure to notify may result in fines or liability for damages.
Why it matters:
This protects public safety and prevents service interruptions. Gas leaks, electrical hazards, or water line breaks can be catastrophic if excavation rules are ignored.
5. Maintenance and Inspection (NAC 704A.180 – NAC 704A.210)
This section deals with routine inspection and upkeep of underground facilities.
Key points:
Operators must inspect pipelines, conduits, and cables periodically to detect wear, corrosion, or leaks.
Repairs must be conducted promptly to maintain system safety and reliability.
Records of inspections and maintenance must be kept for regulatory review.
Why it matters:
Regular inspections prevent unexpected failures, environmental damage, and potential injury to the public. Maintenance records also help resolve disputes or legal claims.
6. Safety Protocols and Emergency Response (NAC 704A.220 – NAC 704A.250)
This section establishes safety procedures for operators and the public.
Key points:
Operators must maintain emergency contact information and be reachable during incidents.
In case of damage or leakage, operators must shut down the facility and notify authorities immediately.
Training and safety equipment must be provided for personnel working underground.
Why it matters:
Quick, organized response to emergencies saves lives and limits property damage. It ensures that underground hazards do not escalate into major incidents.
7. Recordkeeping and Reporting (NAC 704A.260 – NAC 704A.280)
Operators are required to keep detailed records of underground facilities.
Key points:
Maps, location data, depth, and maintenance logs must be accurate and up-to-date.
Operators must report significant incidents to the regulatory agency.
These records may be inspected to ensure compliance with safety and construction rules.
Why it matters:
Accurate records prevent accidental damage, facilitate inspections, and help in liability cases if an incident occurs.
8. Penalties for Noncompliance (NAC 704A.290 – NAC 704A.300)
This section defines enforcement measures for violations.
Key points:
Fines can be imposed for failing to mark facilities, improper excavation, or unsafe installations.
Operators may be required to repair damages caused by negligence.
Repeated violations may result in stricter oversight or suspension of operating authority.
Why it matters:
This ensures that operators and contractors take the rules seriously, reinforcing the importance of public safety and infrastructure protection.
✅ Summary
| Rule Area | Main Purpose | Example “Case” |
|---|---|---|
| Definitions | Clarifies terminology | “Underground facility” and “operator” |
| Location & Marking | Prevent accidental damage | Mark pipelines, respond to excavation notices |
| Installation Standards | Ensure safe construction | Material, depth, separation between utilities |
| Excavation Near Facilities | Prevent hazards during digging | Notify operators, hand-dig near lines |
| Maintenance & Inspection | Keep facilities safe | Periodic inspections and repairs |
| Safety & Emergency | Respond to leaks or hazards | Emergency shutdown, personnel training |
| Recordkeeping | Track installations and incidents | Maintain maps and logs |
| Penalties | Enforce compliance | Fines, repair orders, suspension |
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