C43 – Sheet Metal Contractor

A sheet metal contractor selects, cuts, shapes, fabricates and installs sheet metal such as cornices, flashings, gutters, leaders, pans, kitchen equipment, duct work (including insulation, patented chimneys, metal flues, metal roofing systems and any other installations requiring sheet metal).

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

The Sheet Metal (C-43) Examination is divided into eight major sections. These sections are:

1. Job Evaluation and Estimation (25%)

• Scope of work
• Project measurements and calculations
• Flashing and gutters
• Duct work
• Metal roofing materials
• Louvers and screens

2. Sheet Metal Fabrication (20%)

• Pattern development
• Shop fabrication techniques
• Fastening methods
• Sealing and waterproofing

3. Metal Flashing Installation (10%)

• Roof flashings
• Wall and deck flashings
• Louvers, vents, and screens

4. Rain Gutter and Downspout Installation (9%)

• Drainage design
• Cutting and fastening
• Testing procedures

5. Duct Work Installation (14%)

• Duct layout
• Hanging and assembly methods
• Insulation methods
• Environmental exhaust systems
• Grills and finish

6. Metal Roofing and Siding Installation (7%)

• Metal roof and siding panels layout
• Fastening methods
• Underlayment and vapor barrier
• Material protection

7. Commercial and Industrial Installations (5%)

• Exhaust hoods
• Sinks, countertops, and shelving
• Column covers and corner guards
• Metal decking

8. Shop and Job Site Safety (10%)

• Fall protection
• Equipment operation
• Handling of hazardous materials

*Percentages are approximate*

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

1. Which of the following materials is recommended to break contact between dissimilar metals in order to prevent electrolysis?

1. Copper striping
2. Rosin paper
3. Gypsum board
4. Waterproof felt

2. How much space should be provided between the bottom of the downspout and the bottom of the splash pan?

1. 1/2”
2. 1”
3. 2”
4. 3”

3. For a duct system serving a Type I kitchen hood, what is the minimum slope toward the hood or grease reservoir?

1. 1/4” per foot
2. 3/8” per foot
3. 1/2” per foot
4. 3/4” per foot

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

Architectural Sheet Metal.

SMACNA

(Sheet Metal and Air Conditioning Contractors’ National Association),

4201 Lafayette Center Drive,

Chantilly, VA. 20151-1209.

(703) 803-2989

FAX: (703) 803-3732.

INTERNET: www.smacna.org

HVAC Duct Construction – Metal and Flexible.

SMACNA

(Sheet Metal and Air Conditioning Contractors’ National Association),

4201 Lafayette Center Drive,

Chantilly, VA. 20151-1209.

(703) 803-2989

FAX: (703) 803-3732.

INTERNET: www.smacna.org

California Mechanical Code.

California Code of Regulations, Title 24, Part 4.

International Code Council (ICC),

5360 Workman Mill Road,

Whittier, CA 90601.

(800) 423-6587

FAX: (562) 692-3853.

INTERNET: www.intlcode.com

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.

(800) 873-6397

FAX: (714) 535-8078.

INTERNET: ccr.oal.ca.gov or www.bnibooks.com

*Publisher information is current as of 3/04*