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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).
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?
a. Copper
striping
b. Rosin
paper
c. Gypsum
board
d. Waterproof felt
2. How much
space should be provided between the bottom of the downspout and the
bottom of the splash pan?
a. 1/2”
b. 1”
c. 2”
d. 3”
3. For a
duct system serving a Type I kitchen hood, what is the minimum slope
toward the hood or grease reservoir?
a. 1/4” per foot
b. 3/8”
per foot
c. 1/2”
per foot
d. 3/4”
per foot
*All
questions are written and reviewed by licensed contractors who are
actively working in the field*
Resources
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
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