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C-23 Drilling Wells (2021-11-29)
A person who holds a classification C-23 license may install and repair water wells, pressure tanks, storage tanks and pumps by boring, drilling, excavating, casing, cementing, dewatering and cleaning to provide a supply of uncontaminated water.
45 Questions
70% Minimum Passing Score
1½ Hours
The reference material listed below was used to prepare the questions for this examination. The examination may also contain questions based on trade knowledge or general industry practices. Except for Code books, you can base your answers on later editions of references as they become available. For Code questions, the examinations will be based only on the edition of the Code book that is listed.
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Open Book These books are allowed while taking
your test.
Closed Book These books are for pre-test study only and are not available for use during the test.
Closed Book These books are for pre-test study only and are not available for use during the test.
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Closed Book
Code of Federal Regulations, 29 CFR Part 1926 (OSHA) 2021
$26.78
All Federal Construction Regulations (29 CFR 1926) are included in this “perfect bound” book in an easy-to-read, two-color layout.
All 29 CFR 1926 regulations for construction industry are included along with the following items:
29 CFR 1903 regulations covering inspections, citations, and penalties
29 CFR 1904 regulations covering recording and reporting occupational injuries and illnesses
OSHA keyword dictionary
Easy to find OSHA interpretations -
Closed Book
Manual Of Water Well Construction Practices, 3rd Edition
3rd Edition
$55.00
This is a third edition of a perennially best-selling manual, originally published in 1975 and revised in 1998 and 2017.
It is comprehensive in its scope of current well construction methods and designed to serve not only contractors, but also as a guideline for state well inspectors.
The most recent revision includes updates to practices in line with current industry standards.
