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C-9 – Drywall
Contractor
A drywall contractor
lays out and installs gypsum wall board and gypsum wall board
assemblies including nonstructural metal framing members, and performs
the taping and texturing operations including the application of
compounds that adhere to wall board to produce a continuous smooth or
textured surface.
FOR
EXAMINATIONS SCHEDULED ON OR AFTER AUGUST 30, 2006
Content
of the Examination
The Drywall (C-9)
Examination is divided into five major sections. These sections are:
1. Job
Planning (15%)
Plans
and specifications evaluation
Mathematical
estimating calculations
Material
types and quantities
Tools
and equipment requirements
Site-specific
requirements
2. Site
Inspection and Preparation (13%)
Job
readiness evaluation
Materials
management
Job
preparation
Property
protection
3.
Framing Assembly and Drywall Installation (28%)
Codes,
plans and specifications
Control
points, measuring and layouts
Installations
(fastening, welding, furring and fastening)
Metal
framing and door frames
Suspended
drywall ceiling channels
Sound,
fire rated and multi-layer applications
Drywall
cutting and layouts
4.
Taping and Finishing (31%)
Joint
compounds and taping
Finishing
applications and procedures
Texturing
applications and procedures
Repairing
surface techniques
5.
Safety (13%)
Accident/fall
prevention procedures
Tool
and equipment operations
Scaffolding
and ladders
Personal
gear and clothing
Cal/OSHA
requirements
*Percentages
are approximate*
Sample Questions
1. What
is the primary advantage of using a laminated wall system?
Resistance to cracking
Reduced sound transmission
Fewer fasteners to finish
Increased fire protection
2. How
many square feet of drywall are needed to cover both sides of a wall
that is 26 feet long and 14 feet height?
364 sq. ft.
416 sq. ft.
546 sq. ft.
728 sq. ft.
3.
Which of the following systems is used for a typical residential 1-hour
firewall?
Two layers of
1/4” drywall
One layer of
1/2” drywall
One layer of
5/8” drywall
Two layers of
5/8” drywall
*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.
