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Additional Trade KIT
C-02 Insulation and Acoustic
 
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Contractors License and Performance Bonds
 
C02 – Insulation and Acoustical Contractor

An insulation and acoustical contractor installs any insulating media and preformed architectural acoustical materials for the purpose of temperature and/or sound control.

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

Content of the Examination

The Insulation and Acoustical (C-2) Examination is divided into six major sections. These sections are:

1. Job Preparation (15%)

  • Plans and specifications
  • Technical data
  • Site preparation
  • Material quantities

2. Acoustical Systems (31%)

  • Grid layout and framing
  • Exposed grids
  • Acoustical, panels, and tiles
  • Seismic requirements
  • Carrier channel requirements
  • Concealed systems
  • Trims and finishes
  • Sound proofing

3. Hand-Installed Insulation (21%)

  • Fire and smoke control
  • Building insulation
  • Vapor and air barriers
  • Mechanical insulation fasteners
  • Reflective insulation
  • Mechanical & HVAC insulation

4. Blow-in Insulation (7%)

  • Baffle installation
  • Exterior/interior patching

5. Spray-in Insulation (5%)

  • Spray preparation
  • Insulation

6. Safety (21%)

  • Personal protection
  • Equipment and tools
  • Site conditions
  • Materials transportation

*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. A contractor is to install an acoustical ceiling in a building having a heating-cooling system that makes use of pressurized plenums. The contractor places the ceiling after the venting system is installed, but before it is placed in operation. How has the contractor proceeded?

  1. CORRECTLY
  2. INCORRECTLY- the system is to be in operation for 48 hours before the ceiling is installed.
  3. INCORRECTLY- acoustical ceilings are never used with pressurized plenums.
  4. INCORRECTLY- the ceiling must be in place before the venting system is installed.

2. Specifications call for the installation of Kraft-faced insulation in a metal stud wall with studs spaced 16" o.c. The insulation sent by the supplier has stapling flanges. Which of the following actions would be appropriate in this situation?

  1. staple the paper to the studs.
  2. attach flanges to studs with adhesives
  3. use mechanical fasteners
  4. send the insulation back

3. When installing insulation in the interior of a duct, which of he following characteristics of insulation would be MOST effective in reducing sound transmission?

  1. density
  2. porosity
  3. elasticity
  4. ductility

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


Resources
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.
INTERNET: ccr.oal.ca.gov/cgi-bin/om_isapi.dll or www.bni-books.com

Ceiling Systems Handbook.
Ceilings and Interior Systems Contractors,
579 W. North Ave., Suite 301,
Elmhurst, IL 60126.
(630) 584-1919. FAX: (630) 584-2003.
INTERNET: www.cisca.org

Uniform Building Code.
International Conference of Building Officials Headquarters,
5360 Workman Mill Road,
Whittier, CA 90601-2298.
(800) 284-4406. FAX: (888) 329-4226.
INTERNET: www.icbo.org

Uniform Mechanical Code.
International Conference of Building Officials,
5360 Workman Mill Road,
Whittier, CA 90601.
(800) 284-4406. FAX: (888) 329-4226.
INTERNET: www.icbo.org

*Publisher information is current as of 12/01*

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