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Original Contractors License KIT
C-53 Swimming Pool
Contractors License and Performance Bonds

C53 – Swimming Pool Contractor

A swimming pool contractor constructs swimming pools, spas or hot tubs, including installation of solar heating equipment using those trades or skills necessary for such construction.

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

Content of the Examination

The Swimming Pool (C-53) Examination is divided into six major sections. These sections are:

1. Site Conditions (14%)

  • Surface and subsurface conditions
  • Swimming pool and spa location

2. Design (27%)

  • Plans and specifications
  • Electrical and plumbing requirements
  • Selection of finishes
  • Soil and terrain evaluation
  • Selection of decorative features and pool accessories

3. Cost Estimation (11%)

  • Material, labor, and equipment costs
  • Permit costs

4. Swimming Pool/Spa Installation (38%)

  • Excavation
  • Installation and placement of steel and concrete
  • Electrical and plumbing installation
  • Installation of finishes
  • Installation of decorative features and pool accessories
  • Remodel

5. Maintenance (6%)

  • Troubleshooting and repair
  • Water balance
  • Customer education

6. Job Site Safety (4%)

  • Personal safety
  • Traffic control
  • Shoring and cribbing

*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. On suction side plumbing, what is the maximum flow rate for commercial pools?

  1. 6 feet/sec.
  2. 8 feet/sec.
  3. 10 feet/sec.
  4. 12 feet/sec.

2. Which of the following admixtures should be added to accelerate concrete setting?

  1. Sodium chloride
  2. Sodium carbonate
  3. Potassium chloride
  4. Calcium chloride

3. The customer wants to change the coping stone to brick on a 98' perimeter pool. The brick is 3-1/2" wide with a 1/2" grouting joint. Factoring 10% waste, how many bricks will be needed?

  1. 288 bricks
  2. 323 bricks
  3. 357 bricks
  4. 432 bricks

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

California Building Code.
International Conference of Building Officials,
5360 Workman Mill Road,
Whittier, CA 90601-2298.
(800) 284-4406. FAX: (888) 329-4226.

National Electrical Code.
(Section 680) National Fire Protection Association,
11 Tracy Drive,
Avon, MA 02322.
(800) 344-3555. FAX: (800) 593-6372.

Uniform Plumbing Code.
(Section 308) International Association of Plumbing and Mechanical Officials (IAPMO).
20001 Walnut Drive,
South Walnut, CA 91789.
(800) 854-2766. FAX: (909) 598-4720.

Residential Pool & Spa Builders Reference Manual Package.
(particularly Builders Manual Residential Inground Swimming Pools and Permanently Installed Residential Spas).
National Spa & Pool Institute.
2111 Eisenhower Ave.
Alexandria, VA, 22314.
(703) 838-0083 x301. FAX: (703) 549-0493.

Uniform Swimming Pool, Spa and Hot Tub Code.
International Association of Plumbing and Mechanical Officials.
20001 Walnut Drive,
Walnut, CA 91789-2825.
(800) 854-2766. FAX: (909) 598-4720.

Shotcrete for the Craftsman.
American Concrete Institute.
P.O. Box 9094,
Farmington Hills, MI 48333-9094.
(248) 848-3700. FAX: (248) 848-3801.

Cal/ OSHA State of California Construction Safety Orders.
California Code of Regulations, Title 8, Industrial Relations, Chapter 4, Subchapter 4,
Barclays Law Publishers,
P.O. Box 95767, Chicago, IL 60694.
(800) 888-3600. FAX: (415) 732-8875.
OR Building News, Inc.
1612 S. Clementine Street, Anaheim, CA 92802.
(888) 264-2665.

*Publisher information is current as of 12/01*

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