Florida Underground Utility Contractor
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Rationales 2025|2026 Q&A | Instant
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1. What is the primary purpose of a Florida Underground Utility
Contractor license?
To legally perform the installation, repair, and maintenance of
underground utilities in Florida.
This license ensures that contractors are qualified, knowledgeable,
and compliant with Florida statutes for public safety and
infrastructure protection.
2. Which Florida statute governs underground utility construction and
safety regulations?
Florida Statutes Chapter 556 (Underground Facility Damage
, Prevention and Safety)
This statute outlines the responsibilities of contractors to prevent
damage to underground utilities and to comply with state safety
standards.
3. What is the minimum notification period required before excavating
near an underground utility in Florida?
48 hours
Contractors must notify the utility location service at least 48 hours
in advance to allow time for utility marking and to prevent
accidental strikes.
4. What type of insurance is required for Florida Underground Utility
Contractors?
General liability insurance
General liability insurance protects both the contractor and the
public against property damage or injuries caused during utility
work.
5. What is the maximum penalty for failing to notify before digging?
$10,000 per violation
Penalties vary, but fines are imposed to encourage compliance and
reduce the risk of utility damage and associated hazards.
6. What is the purpose of utility marking flags or paint?
To indicate the presence and type of underground utilities
, Color-coded flags and paint provide visual guidance to excavators to
avoid damaging underground lines.
7. What is the correct color for marking electric lines according to the
Florida utility color code?
Red
Red is standardized for electric power lines, signaling a high-risk
hazard that must be avoided.
8. What is the correct color for marking gas, oil, or steam lines?
Yellow
Yellow indicates flammable or explosive materials, alerting workers
to extreme caution during excavation.
9. What is the correct color for marking potable water lines?
Blue
Blue is used for potable water, differentiating it from other types of
water and utility lines.
10. What is the correct color for marking sewer and drain lines?
Green
Green indicates sewer and drain systems, helping prevent cross-
contamination and unnecessary disruption.
11. What is the correct color for marking communication lines?
Orange
, Orange is used for communications, signaling that lines may carry
telecommunications or fiber optic data.
12. What is the correct color for marking reclaimed water or
irrigation lines?
Purple
Purple identifies non-potable water sources, ensuring that workers
distinguish them from drinking water lines.
13. What is the safe horizontal clearance required from marked
underground utilities during excavation?
18 inches
Maintaining at least 18 inches from utility markers reduces the risk
of accidental contact and damage.
14. When encountering unknown underground utilities, what is the
safest action?
Stop work and notify the utility owner
Unknown utilities can be hazardous; proper notification ensures safe
assessment before continuing work.
15. What type of backfill material is typically recommended around
underground utilities?
Sand or native material free of rocks and debris
Proper backfill prevents damage to utility lines and reduces
settlement over time.
Exam Practice Questions And Correct
Answers (Verified Answers) Plus
Rationales 2025|2026 Q&A | Instant
Download Pdf
1. What is the primary purpose of a Florida Underground Utility
Contractor license?
To legally perform the installation, repair, and maintenance of
underground utilities in Florida.
This license ensures that contractors are qualified, knowledgeable,
and compliant with Florida statutes for public safety and
infrastructure protection.
2. Which Florida statute governs underground utility construction and
safety regulations?
Florida Statutes Chapter 556 (Underground Facility Damage
, Prevention and Safety)
This statute outlines the responsibilities of contractors to prevent
damage to underground utilities and to comply with state safety
standards.
3. What is the minimum notification period required before excavating
near an underground utility in Florida?
48 hours
Contractors must notify the utility location service at least 48 hours
in advance to allow time for utility marking and to prevent
accidental strikes.
4. What type of insurance is required for Florida Underground Utility
Contractors?
General liability insurance
General liability insurance protects both the contractor and the
public against property damage or injuries caused during utility
work.
5. What is the maximum penalty for failing to notify before digging?
$10,000 per violation
Penalties vary, but fines are imposed to encourage compliance and
reduce the risk of utility damage and associated hazards.
6. What is the purpose of utility marking flags or paint?
To indicate the presence and type of underground utilities
, Color-coded flags and paint provide visual guidance to excavators to
avoid damaging underground lines.
7. What is the correct color for marking electric lines according to the
Florida utility color code?
Red
Red is standardized for electric power lines, signaling a high-risk
hazard that must be avoided.
8. What is the correct color for marking gas, oil, or steam lines?
Yellow
Yellow indicates flammable or explosive materials, alerting workers
to extreme caution during excavation.
9. What is the correct color for marking potable water lines?
Blue
Blue is used for potable water, differentiating it from other types of
water and utility lines.
10. What is the correct color for marking sewer and drain lines?
Green
Green indicates sewer and drain systems, helping prevent cross-
contamination and unnecessary disruption.
11. What is the correct color for marking communication lines?
Orange
, Orange is used for communications, signaling that lines may carry
telecommunications or fiber optic data.
12. What is the correct color for marking reclaimed water or
irrigation lines?
Purple
Purple identifies non-potable water sources, ensuring that workers
distinguish them from drinking water lines.
13. What is the safe horizontal clearance required from marked
underground utilities during excavation?
18 inches
Maintaining at least 18 inches from utility markers reduces the risk
of accidental contact and damage.
14. When encountering unknown underground utilities, what is the
safest action?
Stop work and notify the utility owner
Unknown utilities can be hazardous; proper notification ensures safe
assessment before continuing work.
15. What type of backfill material is typically recommended around
underground utilities?
Sand or native material free of rocks and debris
Proper backfill prevents damage to utility lines and reduces
settlement over time.
