SAFE OPERATING PRACTICES
Folio 1113-6
8. When swing limiter or other proximity device is
inoperative or malfunctioning, the qualified person
directing the lift shall establish procedures to furnish
equivalent protection (i.e. assign an additional signal
person to observe distance between boom or load and
job site obstructions to include power lines).
9. When drum spooling limiter (maximum or minimum
bail limit) is inoperative or malfunctioning, the qualified
person directing the lift, the operator, or the designated
signal person shall watch the drum and make sure it is
not over spooled (rope does not jump off drum) and that
there are never less than 2-3 full wraps of wire rope on
the drum (load or boom hoist).
PEDESTAL MOUNTING
A crane which is pedestal mounted or otherwise secured to a
structure (such as a barge) is not like a land based crane. A
pedestal mounted crane will not tip to warn the operator that
the crane's capacity has been exceeded. When the capacity
of a pedestal mounted crane is exceeded, structural
components will fail without warning and the crane may
break away from the pedestal. Refer to Folio 1064 in Crane
Instruction Manual for pedestal mounted crane mounting
instructions and operating precautions.
PERSONNEL HANDLING
Manitowoc cranes are neither designed for nor intended to
be used as personnel hoists. Refer to Folio 1295 in Crane
Instruction Manual for Manitowoc's policy on personnel
handling.
GETTING ONTO OR OFF CRANE
1. Personnel getting onto or off the crane shall do so only at
designated areas and only while the crane is parked. Do
not attempt to get onto or off the crane while it is moving.
2. When personnel use ladders to get onto and off the
crane, their hands shall be free of any objects. Objects
which cannot be carried in pockets or tool belts shall be
lifted into place with a hand line or hoist.
CABS, STAIRS AND WALKWAYS
1. Necessary clothing and personal belongings shall be
stored so they do not interfere with access to the
operator’s cab or with operation of the crane.
2. Tools, oil cans, spare parts, and other necessary
equipment shall be stored in tool boxes and not allowed
to lie around loose in the operator’s cab or on walkways
and stairs. All waste shall be disposed of.
OPERATING NEAR ELECTRIC POWER
LINES
Electrocution Hazard
Thoroughly read, understand, and abide by all applicable
federal, state, and local regulations regarding operation of
cranes near electric power lines or equipment.
United States federal law prohibits the use of cranes
closer than 10 ft (3 m) to power sources up to 50,000
volts, and greater distances for higher voltages
[29CFR1910.180 and 29CFR1926.550].
To avoid death or serious injury, Manitowoc
recommends that all parts of crane, boom, and
load be kept at least 20 ft (6 m) away from all
electrical power lines and equipment.
Keep all personnel away from crane if it is being operated
near electrical power lines or equipment.
Before operating crane in the vicinity of electrical power lines
or equipment, notify the power utility company. Obtain
positive and absolute assurance that the power has been
turned off.
The crane is NOT INSULATED. Always consider all parts of
the load and the crane, including the wire rope, pendants or
straps, and tag lines as conductors.
Most overhead power lines ARE NOT insulated. Treat all
overhead power lines as being energized unless you have
reliable information to the contrary from the utility company
or owner.
The rules in this section must be followed at all times, even if
the electrical power lines or equipment have been de-
energized.
Crane operation is dangerous when close to an energized
electrical power source. Exercise extreme caution and
prudent judgement. Operate slowly and cautiously when in
the vicinity of power lines.
If the load, wire rope, boom, or any portion of the crane
contacts or comes too close to an electrical power source,
everyone in, on, and around the crane can be seriously
injured or killed.
The safest way to avoid electrocution is to stay away from
electrical power lines and electrical power sources.
The operator is responsible for alerting all personnel of
dangers associated with electrical power lines and
equipment. The crane is not insulated. Do not allow
unnecessary personnel in the vicinity of the crane while
operating. Permit no one to lean against or touch the crane.
Permit no one, including riggers and load handlers, to hold
the load, load lines, tag lines, or rigging gear.
Even if the crane operator is not affected by an electrical
contact, others in the area may become seriously injured or
killed.
It is not always necessary to contact a power line or power
source to become electrocuted. Electricity, depending on
395143
To Next Page
Loading...
