Construction Trade Exam Research Area

Underground Utilities

Apply for the License

Mississippi Contractor Licensing Board
PO Box 320279
2679 Crane Ridge Drive, Suite C
Jackson, MS  39216
Phone:  (601) 354-6161
Licensing Web Page

Exam Administrator

PSI Licensure : Certification
3210 E. Tropicana
Las Vegas, NV 89121
Phone: (800) 733-9267
Candidate Information Web Page

Exam Type


Exam Content

Subject Areas # of
Safety - Code of Federal Regulations 6
General Knowledge 4
Underground Utilities - Concrete Pipe Installation 9
Underground Utilities - Ductile Pipe Installation 9
Excavating and Grading 7
Welding 4
Underground Utilities - Gas 8
Mississippi One-Call 3

Total number of test questions: 50
Time allowed (hours): 2.0
The state of Mississippi also requires that you take and pass a written Law and Business Management exam for this trade.

Go to Business and Law Offering

Books Allowed in the Exam

1. Code of Federal Regulations - 29 CFR Part 1926 (OSHA), GPO - OR - (OSHA) Selections by PSI, (latest amendments). Buy from Publisher
2. Installation Guide for Ductile Iron Pipe, 2016, DIPRA. Doc Link
3. Concrete Pipe and Box Culvert Installation, 2007, American Concrete Pipe Association. doc link
4. Pipe and Excavation Contracting, 2011, Dave Roberts. Buy at Amazon
5. Mississippi Regulation of Excavation, Chapter 13 Regulation of Excavations Near Underground Utility Facilities. Doc Link
6. ASME B31.8 - Gas Transmission and Distribution Piping Systems, 2007, ASME. Buy from Publisher
7. Pipe Welding Procedures, 1973, Hoobasar Rampaul. Buy at Amazon

Recommended Study Materials

Mississippi • Underground Utilities
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