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PSI Nevada C-1D Plumbing Contractor Certification Package


The exam consists of 80 questions in 180 minutes. The minimum score required to pass is 70%, meaning one must answer 56 questions correctly to pass. 

To be certified The Nevada Contractor Management Survey exam must be taken as well.

The Nevada State Contractors Board has approved the Examination Content Outlines. The outlines reflect the minimum knowledge required by contractors to perform their duties to the public in a competent and responsible manner. Changes in the content of the examinations will not be made until changes are made in the reference books.

The examination questions reference specific national codes. However when practicing as a contractor you must check with each local jurisdiction to ensure compliance with additional regulations or modifications adopted by that jurisdiction.

If there is conflicting information between a code, law, or regulation and another authorized reference text, please be aware that the requirements of the code, law, or regulation prevail, and that the examination questions will be referenced to the code, law, or regulation.

The examination may include questions on:
Reading and interpreting construction codes and regulations.
Nevada Health department regulations.  
Appropriate building codes.  
Trade materials, tools, equipment and methods.  
Nevada Occupational Safety and Health Rules.

Scope of Work
The installation and maintenance of: (1) Material and fixtures to create sanitary conditions in buildings by providing a permanent means for a supply of safe water and any sanitary waste and vent systems that are required to ensure the appropriate removal of waste from these buildings; (2) Drainage systems for roofs; (3) Hydronic heating systems not exceeding 200,000 British thermal units; (4) Systems of landscape irrigation; (5) Systems to heat potable water, including, without limitation, solar equipment; (6) A permanent means to supply gas for residential and industrial purposes; and (7) Pipes for compressed air, vacuums and gases for medical use. In addition to any work specified in this paragraph, a person who holds a subclassification C-1d license may install piping for water and gas beginning at the edge of a building and ending at the utility meter for that building

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.

This examination is OPEN BOOK

The following reference materials are allowed in the examination center:

Uniform Plumbing Code, 2012

NFPA 54 - Standard for National Fuel Gas Code, 2012

NFPA 58 - Standard for Liquid Petroleum Gas Code, 2014

Uniform Mechanical Code, 2012

The following reference materials are not allowed in the examination center:

Mathematics for Plumbers and Pipefitters, Lee Smith, 8th Edition, 2013

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

Modern Hydronic Heating for Residential and Light Commercial Buildings, John Siegenthaler, P.E., 2004, 2nd edition

Solar Water and Pool Heating Design and Installation Manual, 1997

Pipefitter's Handbook, 1967, 3rd Edition

Pipe Welding Procedures, Hoobasar Rampaul, 2003

Candidates are responsible for bringing their own references to the examination center. Reference materials may be highlighted, underlined, and/or indexed prior to the examination session. However, references may not be written in, prior to nor during the examination session. Any candidate caught writing or highlighting in the references during the examination will have the references confiscated and will be reported to the department. Furthermore, candidates are not permitted to bring in any additional papers (loose or attached) with their approved references. Any additional materials will be removed from the references and confiscated. References may be tabbed/indexed with permanent tabs only. Temporary tabs, such as Post-It notes, are not allowed and must be removed from the reference before the exam will begin. 

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