Laying Practice Exam
Arizona Licensing and Contractor Law, Plans Codes and Utility Standards, Excavation
Trenching and Dewatering, Pipe Materials and Joining Methods, Gravity Sewer and
Storm Drain Installation, Manholes Structures and Appurtenances, Testing
Inspection and Rehabilitation, Safety Confined Space and Traffic Control, Estimating
and Business Practices
200 Multiple-Choice Practice Questions
with Answer Key and Explanations
2026 Edition
Arizona CR-80 A-12 Sewers Drains and Pipe Laying Practice Exam | Page 1
,Exam Overview
This is an independent, original practice set. It is not affiliated with the Arizona Registrar of Contractors. The
classification is read here as the sewer, drain and pipe laying specialty (commercial A-12, dual CR-80); confirm
the current classification scope. Items depending on statutes, fees or standards are marked "confirm".
Exam Arizona CR-80 A-12 Sewers Drains and Pipe Laying
Practice Exam
Intended for Candidates preparing for the Arizona sewers, drains
and pipe laying (A-12 / CR-80) specialty contractor
exam
Number of questions 200 multiple-choice (four options, one best answer)
Content areas 9
Suggested time 3 hours 20 minutes (about 60 seconds per question)
Suggested passing target 70% or higher (140 of 200) as a readiness target;
confirm the official passing score
Answer format The correct answer and explanation appear directly
after each question
Content Blueprint
Content area Questions Share of exam
Arizona Licensing and Contractor 22 11%
Law
Plans, Codes and Utility Standards 22 11%
Excavation, Trenching and 22 11%
Dewatering
Pipe Materials and Joining 22 11%
Methods
Gravity Sewer and Storm Drain 22 11%
Installation
Manholes, Structures and 22 11%
Appurtenances
Testing, Inspection and 22 11%
Rehabilitation
Safety, Confined Space and Traffic 22 11%
Control
Estimating and Business Practices 24 12%
How to Use This Exam
Cover the answer lines with a sheet of paper and attempt each question before checking.
Work one content area at a time, or take all questions in one timed sitting to simulate test day.
Mark every question you miss or guess on, then reread its explanation and the related reference material.
Repeat the missed questions after a few days; aim to explain why each wrong option is wrong.
Reference Materials Used
Arizona Revised Statutes Title 32 Chapter 10
Arizona CR-80 A-12 Sewers Drains and Pipe Laying Practice Exam | Page 2
, Arizona Administrative Code R4-9
MAG (Maricopa Association of Governments) Uniform Standard Specifications and Details concepts
ASTM and AWWA pipe standards
OSHA Subpart P
Note: This is an independent practice resource written to the published content areas for this exam. It is not affiliated with or
endorsed by the testing organization, and it does not contain actual exam questions. Laws, codes, fees and guidelines change;
confirm current requirements with the official candidate handbook and references.
Arizona CR-80 A-12 Sewers Drains and Pipe Laying Practice Exam | Page 3
, Table of Contents
Exam Overview
Section 1: Arizona Licensing and Contractor Law (Questions 1–22)
Section 2: Plans, Codes and Utility Standards (Questions 23–44)
Section 3: Excavation, Trenching and Dewatering (Questions 45–66)
Section 4: Pipe Materials and Joining Methods (Questions 67–88)
Section 5: Gravity Sewer and Storm Drain Installation (Questions 89–110)
Section 6: Manholes, Structures and Appurtenances (Questions 111–132)
Section 7: Testing, Inspection and Rehabilitation (Questions 133–154)
Section 8: Safety, Confined Space and Traffic Control (Questions 155–176)
Section 9: Estimating and Business Practices (Questions 177–200)
Answer Key Summary
Arizona CR-80 A-12 Sewers Drains and Pipe Laying Practice Exam | Page 4