LOUISIANA (LA) 3.1 DREDGING CONTRACTOR PRACTICE
EXAM 2026 — VERSION 2.0
150 Advanced Questions & Answers with Detailed Rationales |
Comprehensive Exam Prep & Study Guide
TABLE OF CONTENTS
Section Topic Questions
Licensing, Jurisdiction & Administrative
I 1–15
Framework
Louisiana Statutory & Regulatory Law (RS
II 16–30
56:2011 et seq.)
Coastal Zone Management & Coastal Use
III 31–45
Permits
Federal Regulatory Framework (CWA §404,
IV 46–60
RHA §10)
V Dredging Equipment: Hydraulic Systems 61–75
Dredging Equipment: Mechanical &
VI 76–90
Specialized Systems
Slurry Transport, Pipeline Hydraulics &
VII 91–105
Production
Dredged Material Management: Disposal &
VIII 106–120
Beneficial Use
IX Occupational Safety & Maritime Regulations 121–135
,Section Topic Questions
Project Estimation, Surveying & Quality
X 136–150
Control
SECTION I: LICENSING, JURISDICTION & ADMINISTRATIVE
FRAMEWORK
🟢 Question 1
Under LSLBC classification definitions, the 3.1 Dredging classification encompasses which of
the following scopes of work?
A) Only the excavation of navigation channels for commercial shipping purposes
B) Only sediment removal from industrial treatment ponds using mechanical methods
🔴🔴 C) Dredging of waterways for navigation, erosion control, coastal restoration, and
associated sediment removal, disposal, and relocation, including sludge removal from
treatment ponds using dredging technologies
D) Only coastal restoration projects funded by the Coastal Protection and Restoration Authority
Rationale: The LSLBC defines 3.1 Dredging as "the dredging of waterways for navigation,
erosion control, coastal restoration and associated sediment removal, disposal, and relocation.
Also includes sludge removal from treatment ponds using dredging technologies." Dredging is
a subclassification of Heavy Construction.
🟢 Question 2
A commercial contractor in Louisiana is required to hold a state license for which of the
following project thresholds?
A) Any project valued at $25,000 or more on residential property
B) Any project valued at $50,000 or more on residential property only
🔴🔴 C) Any project valued at $50,000 or more (labor and materials combined) on property
,used for commercial purposes
D) Any project regardless of value if it involves dredging activities
Rationale: A commercial contractor license is required for any project valued at $50,000 or
more (labor and materials combined) on property used for commercial purposes. This includes
large-scale industrial projects, dredging, and heavy civil work.
🟢 Question 3
Which of the following statements accurately describes the relationship between the 3.1
Dredging classification and the Heavy Construction classification in Louisiana?
A) 3.1 Dredging is a separate and independent classification with no relation to Heavy
Construction
🔴🔴 B) 3.1 Dredging is a subclassification of Heavy Construction
C) Heavy Construction is a subclassification of 3.1 Dredging
D) The two classifications are mutually exclusive and cannot be held simultaneously
Rationale: The LSLBC explicitly states that "Dredging is a subclassification of Heavy
Construction." This means that a contractor holding a 3.1 Dredging license operates under the
broader Heavy Construction classification framework.
🟢 Question 4
An applicant for a Louisiana contractor license must demonstrate a minimum net worth of:
A) $5,000
**🔴🔴 B) $10,000**
C) $25,000
D) $50,000
Rationale: Applicants must demonstrate a minimum $10,000 net worth as part of the eligibility
requirements for Louisiana contractor licensure.
, 🟢 Question 5
The Louisiana State Licensing Board for Contractors (LSLBC) requires which of the following
examinations for a 3.1 Dredging applicant?
A) Only the trade-specific 3.1 Dredging examination
🔴🔴 B) Both the Business and Law examination and the trade-specific 3.1 Dredging
examination
C) Only the Business and Law examination
D) The Business and Law examination, the trade-specific examination, and a federal safety
certification
Rationale: Applicants must pass required Business & Law and trade exams. The 3.1 Dredging
examination is a closed-book examination with 50 multiple-choice questions and a minimum
passing score of 70%.
🟢 Question 6
According to the LSLBC, the 3.1 Dredging examination covers all of the following content areas
EXCEPT:
A) Dredging vessels and equipment and their proper operation
B) Safety and navigation
C) Permitting and the process of dredging
🔴🔴 D) Structural concrete design and reinforcement
Rationale: The 3.1 Dredging examination covers "estimating, dredging vessels and equipment
and their proper operation, safety, navigation, permitting, the process of dredging." Structural
concrete design is not part of this examination.
🟢 Question 7
What is the examination format and duration for the Louisiana Wharves, Docks, Harbor
Improvements, and Terminals classification, which is related to dredging?
A) Open-book, 75 questions, 3 hours
🔴🔴 B) Closed-book, 50 multiple-choice questions, with a minimum passing score of 70%
EXAM 2026 — VERSION 2.0
150 Advanced Questions & Answers with Detailed Rationales |
Comprehensive Exam Prep & Study Guide
TABLE OF CONTENTS
Section Topic Questions
Licensing, Jurisdiction & Administrative
I 1–15
Framework
Louisiana Statutory & Regulatory Law (RS
II 16–30
56:2011 et seq.)
Coastal Zone Management & Coastal Use
III 31–45
Permits
Federal Regulatory Framework (CWA §404,
IV 46–60
RHA §10)
V Dredging Equipment: Hydraulic Systems 61–75
Dredging Equipment: Mechanical &
VI 76–90
Specialized Systems
Slurry Transport, Pipeline Hydraulics &
VII 91–105
Production
Dredged Material Management: Disposal &
VIII 106–120
Beneficial Use
IX Occupational Safety & Maritime Regulations 121–135
,Section Topic Questions
Project Estimation, Surveying & Quality
X 136–150
Control
SECTION I: LICENSING, JURISDICTION & ADMINISTRATIVE
FRAMEWORK
🟢 Question 1
Under LSLBC classification definitions, the 3.1 Dredging classification encompasses which of
the following scopes of work?
A) Only the excavation of navigation channels for commercial shipping purposes
B) Only sediment removal from industrial treatment ponds using mechanical methods
🔴🔴 C) Dredging of waterways for navigation, erosion control, coastal restoration, and
associated sediment removal, disposal, and relocation, including sludge removal from
treatment ponds using dredging technologies
D) Only coastal restoration projects funded by the Coastal Protection and Restoration Authority
Rationale: The LSLBC defines 3.1 Dredging as "the dredging of waterways for navigation,
erosion control, coastal restoration and associated sediment removal, disposal, and relocation.
Also includes sludge removal from treatment ponds using dredging technologies." Dredging is
a subclassification of Heavy Construction.
🟢 Question 2
A commercial contractor in Louisiana is required to hold a state license for which of the
following project thresholds?
A) Any project valued at $25,000 or more on residential property
B) Any project valued at $50,000 or more on residential property only
🔴🔴 C) Any project valued at $50,000 or more (labor and materials combined) on property
,used for commercial purposes
D) Any project regardless of value if it involves dredging activities
Rationale: A commercial contractor license is required for any project valued at $50,000 or
more (labor and materials combined) on property used for commercial purposes. This includes
large-scale industrial projects, dredging, and heavy civil work.
🟢 Question 3
Which of the following statements accurately describes the relationship between the 3.1
Dredging classification and the Heavy Construction classification in Louisiana?
A) 3.1 Dredging is a separate and independent classification with no relation to Heavy
Construction
🔴🔴 B) 3.1 Dredging is a subclassification of Heavy Construction
C) Heavy Construction is a subclassification of 3.1 Dredging
D) The two classifications are mutually exclusive and cannot be held simultaneously
Rationale: The LSLBC explicitly states that "Dredging is a subclassification of Heavy
Construction." This means that a contractor holding a 3.1 Dredging license operates under the
broader Heavy Construction classification framework.
🟢 Question 4
An applicant for a Louisiana contractor license must demonstrate a minimum net worth of:
A) $5,000
**🔴🔴 B) $10,000**
C) $25,000
D) $50,000
Rationale: Applicants must demonstrate a minimum $10,000 net worth as part of the eligibility
requirements for Louisiana contractor licensure.
, 🟢 Question 5
The Louisiana State Licensing Board for Contractors (LSLBC) requires which of the following
examinations for a 3.1 Dredging applicant?
A) Only the trade-specific 3.1 Dredging examination
🔴🔴 B) Both the Business and Law examination and the trade-specific 3.1 Dredging
examination
C) Only the Business and Law examination
D) The Business and Law examination, the trade-specific examination, and a federal safety
certification
Rationale: Applicants must pass required Business & Law and trade exams. The 3.1 Dredging
examination is a closed-book examination with 50 multiple-choice questions and a minimum
passing score of 70%.
🟢 Question 6
According to the LSLBC, the 3.1 Dredging examination covers all of the following content areas
EXCEPT:
A) Dredging vessels and equipment and their proper operation
B) Safety and navigation
C) Permitting and the process of dredging
🔴🔴 D) Structural concrete design and reinforcement
Rationale: The 3.1 Dredging examination covers "estimating, dredging vessels and equipment
and their proper operation, safety, navigation, permitting, the process of dredging." Structural
concrete design is not part of this examination.
🟢 Question 7
What is the examination format and duration for the Louisiana Wharves, Docks, Harbor
Improvements, and Terminals classification, which is related to dredging?
A) Open-book, 75 questions, 3 hours
🔴🔴 B) Closed-book, 50 multiple-choice questions, with a minimum passing score of 70%
