FLORIDA UNDERGROUND UTILITY
CONTRACTOR EXAM 2027 QUESTIONS
AND CORRECT ANSWERS LATEST
UPDATE
1. According to OSHA 1926 Subpart P, what is the maximum allowable slope for an
excavation in Type B soil for a depth less than 20 feet?
A. 1:1
B. 3/4:1
C. 1 1/2:1
D. 1/2:1
Answer: A
Conceptual Explanation: OSHA requires a slope of 1:1 (45 degrees) for Type B soil. Type
A requires 3/4:1, and Type C requires 1 1/2:1.
2. Under Florida Statute 489, which of the following activities is NOT permitted for a licensed
Underground Utility and Excavation Contractor?
A. Laying of underground transmission lines for electricity
B. Construction of water filtration plants
C. Installation of storm drainage systems
,D. Installation of sanitary sewer force mains
Answer: A
Conceptual Explanation: While underground utility contractors handle water, sewer, and
storm systems, the installation of electrical transmission lines usually falls under electrical
or specialty contractor licenses depending on the voltage and specific utility jurisdiction.
3. What is the minimum horizontal distance a ladder must extend above the top of a trench
according to OSHA standards?
A. 2 feet
B. 1 foot
C. 4 feet
D. 3 feet
Answer: D
Conceptual Explanation: OSHA 1926.1053(b)(1) requires ladders to extend at least 3 feet
above the upper landing surface to provide a secure handhold.
4. A 24-inch diameter pipe is being installed. What is the minimum trench width required if
the specification calls for 12 inches of clearance on each side of the pipe?
A. 48 inches
B. 42 inches
C. 36 inches
, D. 60 inches
Answer: A
Conceptual Explanation: 24 inches (pipe) + 12 inches (left) + 12 inches (right) = 48
inches.
5. Which type of fire extinguisher is required on a job site where underground fuel tanks are
being serviced?
A. Class A
B. Class B
C. Class D
D. Class K
Answer: B
Conceptual Explanation: Class B extinguishers are designed for flammable liquids like
gasoline, oil, and grease.
6. Per Florida Sunshine State One Call regulations, what is the mandatory waiting period
(excluding weekends and holidays) after notifying the center before digging?
A. 48 hours
B. 24 hours
C. 72 hours
D. 5 business days
CONTRACTOR EXAM 2027 QUESTIONS
AND CORRECT ANSWERS LATEST
UPDATE
1. According to OSHA 1926 Subpart P, what is the maximum allowable slope for an
excavation in Type B soil for a depth less than 20 feet?
A. 1:1
B. 3/4:1
C. 1 1/2:1
D. 1/2:1
Answer: A
Conceptual Explanation: OSHA requires a slope of 1:1 (45 degrees) for Type B soil. Type
A requires 3/4:1, and Type C requires 1 1/2:1.
2. Under Florida Statute 489, which of the following activities is NOT permitted for a licensed
Underground Utility and Excavation Contractor?
A. Laying of underground transmission lines for electricity
B. Construction of water filtration plants
C. Installation of storm drainage systems
,D. Installation of sanitary sewer force mains
Answer: A
Conceptual Explanation: While underground utility contractors handle water, sewer, and
storm systems, the installation of electrical transmission lines usually falls under electrical
or specialty contractor licenses depending on the voltage and specific utility jurisdiction.
3. What is the minimum horizontal distance a ladder must extend above the top of a trench
according to OSHA standards?
A. 2 feet
B. 1 foot
C. 4 feet
D. 3 feet
Answer: D
Conceptual Explanation: OSHA 1926.1053(b)(1) requires ladders to extend at least 3 feet
above the upper landing surface to provide a secure handhold.
4. A 24-inch diameter pipe is being installed. What is the minimum trench width required if
the specification calls for 12 inches of clearance on each side of the pipe?
A. 48 inches
B. 42 inches
C. 36 inches
, D. 60 inches
Answer: A
Conceptual Explanation: 24 inches (pipe) + 12 inches (left) + 12 inches (right) = 48
inches.
5. Which type of fire extinguisher is required on a job site where underground fuel tanks are
being serviced?
A. Class A
B. Class B
C. Class D
D. Class K
Answer: B
Conceptual Explanation: Class B extinguishers are designed for flammable liquids like
gasoline, oil, and grease.
6. Per Florida Sunshine State One Call regulations, what is the mandatory waiting period
(excluding weekends and holidays) after notifying the center before digging?
A. 48 hours
B. 24 hours
C. 72 hours
D. 5 business days
