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C-08 Concrete
 
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C08 – Concrete Contractor

A concrete contractor forms, pours, places, finishes and installs specified mass, pavement, flat and other concrete work; and places and sets screeds for pavements or flatwork. This class shall not include contractors whose sole contracting business is the application of plaster coatings or the placing and erecting of steel or bars for the reinforcing of mass, pavement, flat and other concrete work.

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

Content of the Examination

The Concrete (C-8) Examination is divided into five major sections. These sections are:

1. Project Estimating (19%)

  • Plans, soils reports, site inspection
  • Project costing

2. Project Planning (13%)

  • Material selection and placement methods
  • Determining elevations

3. Safety (18%)

  • On site protection
  • Public protection
  • Safety procedures

4. Pre-placement Preparations (27%)

  • Site preparation
  • Layout, forming, and base preparations
  • Reinforcement, embedded hardware, and joints

5. Placing and Finishing Concrete (23%)

  • Placement procedures
  • Post placement procedures

*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. How many cubic yards of concrete should a contractor order for a foundation that is to be 20 feet wide, 40 feet long, and 2 feet deep?

  1. 40
  2. 60
  3. 80
  4. 100

2. Which of the following sets of variables affects the spacing of joints in a slab on grade?

  1. Type of finish, adding admixture, and temperature
  2. Inside corners, vibration, and screed technique
  3. Soil conditions, temperature, and type of finish
  4. Inside corners, soil conditions, and aesthetic considerations

3. What term is applied to the line at which the face of a curb meets the top of the pavement or gutter?

  1. The driveway apron
  2. The control joint
  3. The flow line
  4. The curb return

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

Resources
Craftsman Workbook for ACI Certification of Concrete Flatwork Technician/Finisher.
ACI International,
P.O. Box 9094,
Farmington Hills, MI 48333-9094.
(248) 848-3800
FAX: (248) 848-3801.
INTERNET: www.concrete.org
 
Cal/OSHA State of California Construction Safety Orders.
California Code of Regulations, Title 8,
Industrial Relations, Division 1, Chapter 4, Subchapter 4
Thompson/Barclays Division,
P.O. Box 95767,
Chicago, IL 60694.
(800) 888-3600
FAX: (415) 344-3906.
INTERNET: http://ccr.oal.ca.gov
BNI Building News.
1612 S. Clementine Street,
Anaheim, CA 92802.
(888) 264-2665
FAX: (714) 533-1467.
INTERNET: www.bnibooks.com


California Building Code.
International Code Council,
5360 Workman Mill Road,
Whittier, CA 90601-2298.
(888) 422-7233
FAX: (888) 329-4226.
INTERNET: www.iccsafe.org


Federal Clean Water Act.
INTERNET: www.epa.gov/compliance/civil/index.html
(Hard copy publications may not contain up-to-date changes to the Act.)


Concrete Technology.
George R. White.
Delmar Publishers,
Thompson Delmar Learning,
P.O. Box 6904,
Florence, KY 41022.
ISBN 0-8273-3635-7.
(800) 347-7707
FAX: (859) 647-5963.


Concrete in Practice.
National Ready Mixed Concrete Association,
900 Spring Street,
MD 20910.
(888) 846-7622, EXT. 1165 or 301-587-1400
FAX: (301) 585-4219.
INTERNET: www.nrmca.org/aboutconcrete/cips/default.asp

*Publisher information is current as of 04/06*

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