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(W-7) Limited Geothermal Contractor

Apply for the License
Connecticut DCP
Occupational & Construction Licensing

450 Columbus Blvd, Suite 801
Hartford, CT  06103
(860) 713-6135
Exam Provider
PSI Services LLC
3210 E. Tropicana
Las Vegas, NV  89121
Phone:  (855) 746-8171
Exam Type
Exam Content
Subject Areas# of
General Regulations7
Drilling & Boreholes6
Drilling Methods8
Grouting & Sealing7
Contamination Prevention5
Water Quality & Testing2
General Knowledge7
Piping Methods2
Total number of test questions:
Time allowed (minutes):

In addition to the trade-specific examination, you are required to pass the Connecticut Business & Law Exam offered by PSI.

Books NOT Allowed
Connecticut Occupational Licensing Law, Ch. 482, Well Drilling, Sec. 25-126 thru Sec. 25-137
Web Page Link
Regulations of Connecticut State Agencies: Title 25 Water Resources, Sec. 25-128-33 thru 25-128-64
Web Page Link
Manual of Water Well Construction Practices, 3rd Edition, Stuart Smith, NGWA
Book Source
Groundwater and Wells, 3rd Edition, Robert J. Sterrett
Buy at Amazon
Closed-Loop/Geothermal Heat Pump Systems 3rd Edition, Robert J. Sterrett
PDF File Link
Handbook of Suggested Practices for the Design and Installation of Ground-Water Monitoring Wells, 1989, NGWA
Book Source
Code of Federal Regulations, 29 CFR Part 1926 (OSHA), GPO [or] (OSHA) Selections by PSI, 2013
Buy from PSI
Books Allowed — NOT Required
NASCLA Contractor’s Guide, Connecticut 5th Edition, NASCLA
Buy at Amazon

NOTE:  The book above is not required however, it does contain the statutory text of references #1 and #2 above used for the Geothermal examinations.

Available Study Materials
PSI OSHA Selections
Study Guide

Sample questions are based on the PSI publication titled “29 CFR PART 1926 Selections, as of June 2013” (highlighted in green above).

This file contains approx. 800 sample questions.

REMINDER:  PSI uses this book for many exams they offer.  Not all sections of this code will apply to your exam.

We also include a table showing the relationship between our questions and OSHA code sections.  Corrections to the original PSI publication are noted.

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