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PSI Arizona A-16 Waterworks (commercial) Certification Package


To be certified The Arizona Business Management exam must be taken as well.

All work necessary for the production and distribution of water including drilling well, setting casing and pump, related electrical work, related concrete work, excavation, piping for storage and distribution, storage tanks, related fencing, purification and chlorination equipment

The exam is 50 questions taken over 120 minutes. The minimum required passing score is 70% which means that 35 questions need to be answered correctly to pass. 

The reference material listed above 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. 

Candidates may use a silent, nonprinting, non-programmable calculator in the examination center.

The first five materials may brought into the exam center, the last 7 may not.

The following reference material is allowed in the examination center:

Code of Federal Regulations - 29 CFR Part 1926 (OSHA)

International Plumbing Code, 2009

NFPA 70: National Electrical Code, 2008

AWWA Standard for Installation of Ductile Iron Water Main and their Appurtenances, C600-99, 1999 Edition

On-site Wastewater Treatment Facility Provisions in Unified Water Quality Permit Rule, Arizona Administrative Code Title 18, Chapter 9, 2006

The following reference material is not allowed in the examination center:

Arizona 811

Groundwater Hydrology

Pipe and Excavation Contracting

Excavation and Grading Handbook, Revised Second Edition,

Installation Guide for Ductile Iron Pipe, 2002 Edition

Design and Control of Concrete Mixtures

Welded Carbon Steel Tanks for Water Storage

Candidates are responsible for bringing their own references to the examination center. Reference materials may be highlighted, underlined, annotated and/or indexed prior to the examination session. However, references may not be written in during the examination session. Any candidate caught writing, highlighting, underlining and/or indexing in the references during the examination will be reported to the Arizona ––––Registrar of Contractors. Furthermore, candidates are not permitted to bring in any additional papers (loose or attached) with their approved references. References may be tabbed/indexed with permanent tabs only. (permanent tabs are defined as tabs that would tear the page if removed). Temporary tabs, (defined as Post-It notes, or other tabs that may be removed without tearing the page) are not allowed and must be removed from the reference before the exam will begin. If you are downloading from the Internet, you may bring this reference into the testing center with you as long as it is bound. You can have it spiral bound or you may hole-punch it and put it in a binder.

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