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The
Written examination portion of the
CCO Tower certification program tests
the following knowledge areas relating
to the operation of cranes:
Domain
1: Site
(Approximately 10% of the test)
Domain 2: Erection,
Climbing and Dismantling
(Approximately 25% of the test)
Domain 3: Operations
(Approximately 50% of the test)
Domain 4: Technical
Knowledge
(Approximately 15% of the test)
DOMAIN
1: SITE
(Approximately 10% of the test)
1. Know how to assess suitability
of the supporting surface. *
2.Know
how to determine if there is adequate
room for outriggers and tail swing.
*
3.
Know how to locate and identify
site hazards and restrictions such
as electric power lines, air-rights,
or other hazardous systems and public
access areas.
4.
Be familiar with basic requirements
for power sources, fusing, disconnects,
lighting protection and grounding.
5.
Be familiar with the necessity to
protect the crane's foundation.
*
1 and 2 only refer to Self-Erecting
Cranes
DOMAIN
2: ERECTION, CLIMBING AND DISMANTLING
(Approximately 25% of the test)
1.
Know proper erection, climbing and
dismantling procedures specified
by the manufacture in the operator's
manual.
2.
Know general notes and warnings
to be applied during climbing procedures.
3.
Know the maximum allowable wind
speeds during erection, climbing,
dismantling and operation.
4.
Understand the proper procedures
for bolting and/or pinning connections.
5.
Understand the maximum freestanding
height allowed.
6.
Understand the proper counterweight
configurations and/or central ballast
requirements.
7.
Understand proper crane configuration.
8.
Be familiar with standard minimum
and maximum tower height above tie-ins
9.
Be familiar with proper installation
of internal climbing collars, support
beams, wedges and climbing apparatus.
10.
Be familiar with proper installation
of top climbing units and tie-in
collars, struts and lower braces.
11.
Know proper position of top climbing
unit after climbing procedures in
accordance with manufacturer's specifications.
12.
Be familiar with proper travel rail
installation and maintenance.
DOMAIN
3: Operations
(Approximately 50% of the test)
1.
Know how to inspect the crane for
proper condition and complete required
records.
2.
Know how and when to communicate
with management, crew and signal
person.
3.
Know standard hand signals as specified
in ASME B30.3.
4.
Know how to shutdown and secure
the crane properly when leaving
it unattended.
5.
Know the manufacture's recommendations
for operating in various weather
conditions.
6.
Know how to verify the weight of
the load and the rigging.
7.
Understand basic load rigging procedures.
8.
Know how to perform the basic maintenance.
9.
Know the crane operator responsibilities
contained in ASME B30.3.
10.
Know how to use operator aids and
limiting devices.
11.Know
the proper procedures for operating
safely under special conditions:
i.e., traveling with suspended loads;
approaching two-blocking; operating
near electric power lines; lifting
loads from beneath the surface of
the water; handling loads out of
the operator's vision ("in
the blind"), and suspended
personnel platforms.
12.
Know the proper procedures for load
control during the use of hand held
tag lines.
13.
Know emergency response procedures:
i.e., fire control, electric power
line contact and control malfunction.
14.
Understand federal, state and local
regulations and ASME B30.3 regulations
pertaining to the operation of the
crane.
15.
Know how to review planned crane
operations and requirements with
site supervision.
16.
Understand tower crane load charts.
DOMAIN 4: TECHNICAL KNOWLEDGE
(Approximately 15% of the test)
1.
Understand the function, limitations
and characteristics of the crane.
2.
Know the basic maintenance, inspection
and replacement criteria for tower
crane wire ropes.
3.
Know basic tower crane nomenclature.
4.
Understand basic machine power flow
systems: i.e., mechanical, electrical,
hydraulic, combination.
5.
Understand boom, jib, counter jib
and counter weight configurations.
6.
Know the "out of plumb"
tolerance for the tower crane.
7.
Basic understanding of metric units/US
customary units.
8.
Understand basic safety procedures:
e.g. lock out, tag out, fall protection.
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