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C-42 Sanitation Systems
 
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C42 – Sanitation System Contractor

A sanitation system contractor fabricates and installs cesspools, septic tanks, storm drains, and other sewage disposal and drain structures. This classification includes the laying of cast-iron, steel, concrete, vitreous and nonvitreous pipe and any other hardware associated with these systems.

Authority cited: Sections 7008 and 7059, Reference: Sections 7058 and 7059 (Business and Professions Code)

Content of the Examination

The Sanitation System (C-42) Examination is divided into five major sections. These sections are:

1. Site Conditions (10%)

  • Sanitation system location
  • Sanitation system type
  • Soil conditions

2. System Design (13%)

  • Sizing of sanitation system
  • Plans and specifications
  • Sanitation system components

3. Installation (50%)

  • Excavation and trenching
  • Septic systems
  • Sewer systems
  • Storm drains
  • Pumps and monitoring systems
  • Drawings, permits, and inspection

4. Maintenance and Repair (11%)

  • Cleaning techniques
  • Inspection methods
  • Repair, replacement, and rehabilitation procedures

5. Safety (16%)

  • Job site safety
  • Personnel safety

*Percentages are approximate*


Test Site Policy
   This is a closed-book examination. No reference materials may be used during the examination. All materials brought to the examination site must be left in an unmonitored area at your own risk.

Test Strategy
   This is a multiple choice examination with four choices per question. Some questions require mathematical computation. Examination questions are written to provide only one BEST answer and are NOT written as trick questions.
   All correct answers have equal value and there are no score reductions for wrong answers. Therefore, all examination questions should be answered.
   Ample time is provided to answer all examination questions, so be sure to read each question and its four choices completely and carefully before selecting the BEST possible answer to the question.



Sample Questions

The following questions are typical of the types of items that are on the examination. The correct answer is highlighted.

1. What is the minimum distance a septic tank can be located from a structure?

  1. 5’
  2. 8’
  3. 10’
  4. 12’

2. In a gravity flow leach field system using perforated distribution piping, where are perforations located?

  1. At the top of the pipe
  2. At the sides of the pipe
  3. At the bottom of the pipe
  4. All around the pipe

3. How much slurry would be necessary to fill a 10’ deep, 6’ diameter cesspool?

  1. 10.46 cubic yards
  2. 11.82 cubic yards
  3. 31.40 cubic yards
  4. 41.86 cubic yards

*All questions are written and reviewed by licensed contractors who are actively working in the field*

Resources
California Plumbing Code.
International Association of Plumbing and Mechanical Officials
and California Building Standards Commission.
20001 Walnut Drive South,
Walnut, CA 91789.
(800) 854-2766.
FAX (909) 598-4720
INTERNET: www.iapmo.org/iapmo/publications.html

Cal/OSHA Construction Safety Orders.
California Code of Regulations, Title 8,
Industrial Relations, Chapter 4, Subchapter 4,
Barclays Official California Code of Regulations,
50 California Street, 19th floor,
San Francisco, CA 94111.
(800) 888-3600
FAX (415) 732-8875
OR
Building News, Inc.
1612 S. Clementine Street,
Anaheim, CA 92802.
(888) 264-2665
INTERNET: ccr.oal.ca.gov or www.bni-books.com

*Publisher information is current as of 10/02

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