(1) Scope.
(a) This section through WAC
296-56-60103 applies to every
kind of crane and derrick and to any other type of equipment performing the
functions of a crane or derrick except as noted in (b) of this
subsection.
(b) This section does
not apply to small industrial truck-type cranes, container handling toploaders
and sideloaders, chain hoists, and mobile straddle-type cranes incapable of
straddling two or more intermodal containers (sixteen feet (4.88 m) in
width).
(2) You must
meet the following requirements for rat-ings:
(a) Except for bridge cranes covered by
subsection (7) of this section, cranes and derricks having ratings that vary
with boom length, radius (outreach) or other variables must have a durable
rating chart visible to the operator, covering the complete range of the
manufacturer's (or design) capacity ratings. The rating chart must include all
operating radii (outreach) for all permissible boom lengths and jib lengths as
applicable, with and without outriggers, and alternate ratings for optional
equipment affecting such ratings. Precautions or warnings specified by the
owner or manufacturer must be included.
(b) The manufacturer's (or design) rated
loads for the conditions of use must not be exceeded.
(c) Designated working loads must not be
increased beyond the manufacturer's ratings or original design limitations
unless such increase receives the manufacturer's approval. When the
manufacturer's services are not available or where the equipment is of foreign
manufacture, engineering design analysis must be performed or approved by a
person accredited for certifying the equipment under WAC
296-56-60093. Cranes must conform
with the manufacturer's specifications or any current ANSI standards that
apply. Engineering design analysis must be performed by a registered
professional engineer competent in the field of cranes and derricks. Any
structural changes necessitated by the change in rating must be carried
out.
(3) You must make
sure when the rated load varies with the boom radius, the crane or derrick is
fitted with a boom angle or radius indicator visible to the operator.
(4) You must prohibit the following usage:
(a) Equipment must not be used in a manner
that exerts sideloading stresses upon the crane or derrick boom.
(b) No crane or derrick having a visible or
known defect that affects safe operation must be used.
(5)You must meet the following requirements
for protective devices:
(a) When exposed
moving parts such as gears, chains and chain sprockets present a hazard to
employees during crane and derrick operations, those parts must be securely
guarded.
(b) Crane hooks must be
latched or otherwise secured to prevent accidental load
disengagement.
(c) When hoisting
personnel in an approved man basket, the hook must have a positive safety latch
to prevent rollouts.
(6)
You must meet the following general requirements:
(a) Operating controls:
(i) Crane and derrick operating controls must
be clearly marked, or a chart indicating their function must be posted at the
operator's position.
(ii) All crane
controls must operate in a uniform manner within a given port.
(iii) Overhead bridge and container gantry
crane operating control levers must be self-centering so that they will
automatically move to the "off" position when the operator releases the
control.
(b) Cranes with
elevatable booms and without operable automatic limiting devices must be
provided with boom stops if boom elevation can exceed maximum design angles
from the horizontal.
(c) Foot
pedals must have a nonskid surface.
(d) Ladders, stairways, stanchions, grab
irons, foot steps or equivalent means must be provided as necessary to ensure
safe access to footwalks, cab platforms, the cab and any portion of the
superstructure which employees must reach.
(i) Footwalks must be of rigid construction
and capable of supporting a load of one hundred pounds (4.79 kPa) per square
foot.
(ii) If more than twenty feet
(6.1 m) in height, vertical ladders must comply with WAC
296-56-60209(4), (5)(a), (5)(b)(iii) and
(5)(b)(iv).
(iii) Stairways on cranes must be equipped
with rigid handrails meeting the requirements of WAC
296-56-60123(5)(a).
(iv) If the top of a ladder or stairway or
any position thereof is located where a moving part of a crane, such as a
revolving house, could strike an employee ascending or descending the ladder or
stairway, a prominent warning sign must be posted at the foot of the ladder or
stairway. A system of communication (such as a buzzer or bell) must be
established and maintained between the foot of the ladder or stairway and the
operator's cab.
(e) The
cab, controls, and mechanism of the equipment must be so arranged that the
operator has a clear view of the load or signal person, when one is used. Cab
glass, when used, must be safety plate glass or equivalent and good visibility
must be maintained through the glass. Clothing, tools and equipment must be
stored so as not to interfere with access, operation, or the operator's
view.
(f) A seat (lap) belt,
meeting the requirements of 49 C.F.R.
571.208-210 for a Type 1 seat belt
assembly, must be installed on the operator's seat of high speed container
gantry cranes where the seat trolleys.
(g) Cranes must be operated only with the
specified type and amount of ballast or counterweights. Ballast or
counterweight must be located and secured only as provided in the
manufacturer's or design specifications, which must be available.
(h) Outriggers must be used according to the
manufacturer's specifications or design data, which must be available. Floats,
when used, must be securely attached to the outriggers. Wood blocks or other
support must be of sufficient size to support the outrigger, free of defects
that may affect safety and of sufficient width and length to prevent the crane
from shifting or toppling under load.
(i) Engine exhaust gases must be discharged
away from the normal position of crane operating personnel.
(j) Electrical equipment must be so located
or enclosed that live parts will not be exposed to accidental contact.
Designated persons may work on energized equipment only if necessary during
inspection, maintenance, or repair.
(k) Fire extinguisher:
(i) At least one portable fire extinguisher
of at least 5-BC rating or equivalent must be accessible in the cab of the
crane or derrick.
(ii) No portable
fire extinguisher using carbon tetrachlo-ride or chlorobromomethane
extinguishing agents must be used.
| Note: |
For additional requirements relating to portable fire
extinguishers see WAC
296-800-300. |
(l) At least three full turns of rope must
remain on ungrooved drums, and two turns on grooved drums, under all operating
conditions. Wire rope must be secured to drums by clamps, U-bolts, shackles, or
equivalent means. Fiber rope fastenings are prohibited.
(m) Mobile crane booms being assembled or
disassembled on the ground with or without the support of the boom harness must
be blocked to prevent dropping of the boom or boom sections.
(n) Brakes:
(i) Each independent hoisting unit of a crane
must be equipped with at least one holding brake, applied directly to the motor
shaft or gear train.
(ii) Each
independent hoisting unit of a crane, except worm geared hoists, the angle of
whose worm is such as to prevent the load from accelerating in the lowering
direction, must, in addition to a holding brake, be equipped with a controlled
braking means to control lowering speeds.
(iii) Holding brakes for hoist units must
have not less than the following percentage of the rated load hoisting torque
at the point where the brake is applied:
(A)One hundred twenty-five percent when used
with a controlled braking means.
(B)One hundred percent when used with a
mechanically controlled braking means.
(C) One hundred percent when two holding
brakes are provided.
(iv) All power control braking means must be
capable of maintaining safe lowering speeds of rated loads.
(o) Each crane or derrick must be
equipped with sufficient lights to maintain five foot candles in the working
area around the load hook. All crane ladders and machinery houses must be
illuminated at a minimum of two candle power.
(p) Light fixtures connected to the boom,
gantry legs, or machinery house must be provided with safety devices which will
prevent the light fixture from falling in case of bracket failure.
(q) Electronic devices may be installed to
prevent collision subject to approval of the accredited certification
agency.
(r) On all rail gantry
cranes, truck guards must extend on the ends of the trucks, close to the top of
the rail to prevent worker's feet from being caught between the rail and wheel.
This subsection does not apply if rail sweeps are present.
(s) All hydraulic cylinders used to control
crane booms or to provide crane stability (outriggers) must be equipped with a
pilot operated check valve or a device which will prevent the boom or outrigger
from retracting in case of failure of a component of the hydraulic
system.
(t) Gantry cranes must be
provided with automatic rail clamps or other devices to prevent the crane from
moving when not being used or when power is off.
(7) You must meet the following requirements
for rail-mounted cranes (excluding locomotive types):
(a) For the purposes of this section,
rail-mounted cranes include bridge cranes and portal cranes.
(b) The rated loads of bridge cranes must be
plainly marked on each side of the crane and in the cab. If there is more than
one hoisting unit, each hoist must have its rated load marked on it or on its
load block. Marking must be legible from the ground level.
(c) Wind-indicating devices:
(i) Each rail-mounted bridge and portal crane
located outside of an enclosed structure must be fitted with an operable
wind-indicating device.
(ii) The
wind indicating device must provide a visible or audible warning to alert the
operator of high wind conditions. That warning must be transmitted whenever the
following circumstances are present:
(A) When
wind velocity reaches the warning speed, not exceeding the crane manufacturer's
recommendations; and
(B)When wind
velocity reaches the shutdown speed, not exceeding the crane manufacturer's
recommendations, at which work is to be stopped and the crane
secured.
(iii) You must
post operating instructions for high wind conditions in the operator's cab of
each crane. Operators must be directed to comply with these instructions. The
instructions must include procedures for responding to high wind alerts and for
any coordination necessary with other cranes.
(d) Securing of cranes in high winds.
(i) When the wind reaches the crane's warning
speed:
(A) Gantry travel must be stopped;
and
(B) The crane must be readied
for shutdown.
(ii) When
the wind reaches the crane's shutdown speed:
(A) Any portion of the crane spanning or
partially spanning a vessel must be moved clear of the vessel if safe to do so;
and
(B) The crane must be secured
against travel, using all available means of
securing.
(e)
You must monitor local weather conditions by subscribing to a weather service
or using equally effective means.
(f) The following applies for stops and
bumpers:
(i) The ends of all tracks must be
equipped with stops or bumpers. If a stop engages the tread of the wheel, it
must be of a height not less than the radius of the wheel.
(ii) When more than one crane operates on the
same runway or more than one trolley on the same bridge, each crane or trolley
must be equipped with bumpers or equivalent devices at adjacent ends subject to
impact.
(g) Employee
exposure to crane movement. When employees may be in the vicinity of the
tracks, crane trucks must be equipped with personnel-deflecting
guards.
(h) If the track area is
used for employee passage or for work, a minimum clearance of three feet (0.91
m) must be provided between trucks or the structures of rail-mounted cranes and
any other structure or obstruction. When the required clearance is not
available on at least one side of the crane's trucks, the area must not be used
and must be marked and identified.
(i) Rail-mounted cranes must be equipped with
an effective audible and visible travel warning device which must be used to
warn employees who may be in the path of the moving crane.
(j) The following are requirements for
communica-tions:
(i) Means of communication
must be provided between the operator's cab and the base of the gantry of all
rail-mounted cranes. This requirement may be met by telephone, radio,
sound-signaling system or other effective methods, but not solely by
hand-signaling.
(ii) All
rail-mounted cranes thirty ton and above capacity must be equipped with a voice
hailing device (PA system) from the operator to the ground, audible within one
hundred feet.
(k) Limit
switch bypass systems must be secured during all cargo operations. Such bypass
systems must not be used except in an emergency or during noncargo handling
operations such as stowing cranes or derricks or performing repairs. When a
situation requiring the use of a bypass system or the readjustment of a limit
switch arises, it must be done only under the direction of a crane
mechanic.
(l) Cranes and crane
operations-Scope and application. The sections of this chapter, WAC
296-56-60083 through
296-56-60099, apply to cranes,
derricks, and crane operations.
(m)
A signal person must be required when a crane operator's visibility is
obstructed. When a signal person is required to transmit hand signals, they
must be in such a position that the operator can plainly see the
signals.
(n) All operators and
signal persons must use standard signals as illustrated for longshore crane
operations. (See Appendices C and D, at the end of this chapter.)
(o) Where power units, such as cranes and
winches are utilized and signaling is required, the operator must be instructed
as to who is authorized to give signals. The operator must take signals only
from such authorized person. In case of emergency, any worker must be
authorized to give a stop signal.
(i) No
draft must be hoisted unless the winch or crane operator can clearly see the
draft itself or see the signals of any signal person associated with the
operation.
(ii) Loads requiring
continuous manual guidance while in motion must be provided with tag
lines.
(p) Persons
assisting in landing a load must face the load and use caution to prevent
themselves from getting in a position where they may be caught between the load
and a fixed object.
(8)
You may hoist loads by locomotive cranes only if outriggers are in place,
unless means are taken to prevent the load being carried by the truck springs
of the crane.
(9) You must meet the
following requirements for operations:
(a)
When two or more cranes hoist a load in unison, a designated person must direct
the operation and instruct personnel in positioning, rigging of the load and
movements to be made.
(b)
Accessible areas within the swing radius of the body of a revolving crane must
be physically guarded during operations to prevent an employee from being
caught between the body of the crane and any fixed structure or between parts
of the crane.
(c) The crane's
superstructure and boom must be secured against rotation and carried in line
with the direction of travel except when negotiating turns with an operator in
the cab or when the boom is supported on a dolly. The empty hook or other
attachment must be secured.
(d) The
following steps must be taken before leaving a crane unattended between work
periods:
(i) Suspended loads, such as those
hoisted by lifting magnets or clamshell buckets, must be landed unless the
storage position or maximum hoisting of the suspended device will provide
equivalent safety;
(ii) Clutches
must be disengaged;
(iii) The power
supply must be shut off;
(iv) The
crane must be secured against accidental travel; and
(v) The boom must be lowered or secured
against movement.
(e)
Operating near electric power lines:
(i)
Unless electrical distribution and transmission lines are deenergized and
visibly grounded at point of work, or unless insulating barriers not a part of
or an attachment to the crane have been erected to prevent physical contact
with lines, cranes may be operated near power lines only in accordance with the
following:
(A) For lines rated 50 kV or
below, minimum clearance between the lines and any part of the crane or load
must be ten feet (3.05 m);
(B) For
lines rated over 50 kV, minimum clearance between the lines and any part of the
crane or load must be either 10 feet (3.05 m) plus 0.4 inch (10.16 mm) for each
1 kV over 50 kV, or twice the length of the line insulator, but never less than
ten feet; and
(C) In transit with
no load and boom lowered, the clearance must be a minimum of four feet (1.22
m).
(ii) Cage-type boom
guards, insulating links or proximity warning devices may be used on cranes,
but they must not be used in place of the clearances required by subsection
(9)(e)(i) of this section.
(iii)
Any overhead line must be presumed to be energized until the owner of the line
indicates that it is not energized.
(10) You must meet the following requirements
for protection for employees being hoisted:
(a) You must make sure no employee is hoisted
by the load hoisting apparatus of a crane or derrick except:
(i) On intermodal container spreaders,
equipped in accordance with this subsection; or
(ii) In a boatswain's chair or other device
rigged to prevent it from accidental disengagement from the hook or supporting
member; or
(iii) On a platform
meeting the following requirements:
(A)
Enclosed by a railing or other means providing protection equivalent to that
described in WAC
296-56-60123(3).
If equipped with open railings, the platform must be fitted with toe
boards;
(B) Having a safety factor
of four based on ultimate strength;
(C) Bearing a plate or permanent marking
indicating maximum load rating, which must not be exceeded, and the weight of
the platform itself;
(D) Equipped
with a device to prevent access doors, when used, from opening
accidentally;
(E) Equipped with
overhead protection for employees on the platform if they are exposed to
falling objects or overhead hazards;
(F) Secured to the load line by means other
than wedge and socket attachments, unless the free (bitter) end of the line is
secured back to itself by a clamp placed as close above the wedge as
possible.
(b)
Except in an emergency, the hoisting mechanism of all overhead and container
gantry cranes used to hoist personnel must operate in power up and power down,
with automatic brake application when not hoisting or lowering.
(c) Variable radius booms of a crane or
derrick used to hoist personnel must be so constructed or secured as to prevent
accidental boom movement.
(d)
Platforms or devices used to hoist employees must be inspected for defects
before each day's use and must be removed from service if defective.
(e) Employees being hoisted must remain in
continuous sight of and communication with the operator or signal
person.
(f) Operators must remain
at the controls when employees are hoisted.
(g) Cranes must not travel while employees
are hoisted, except in emergency or in normal tier to tier transfer of
employees during container operations.
(h) When intermodal container spreaders are
used to transfer employees to or from the tops of containers, the spreaders
must be equipped with a personnel platform equipped with fixed railings,
provided that the railings have one or more openings for access. The openings
must be fitted with a means of closure, such as chains with hooks. Existing
railings must be at least thirty-six inches (0.91 m) in height. New railings
installed after October 3, 1983 , must be forty-two inches (1.07 m), plus or
minus three inches (7.62 cm), in height. The provisions of (a) (iii) (C), (D),
and (F) of this subsection also apply to personnel platforms when container
spreaders are used.
(i) Positive
safety latch-type hooks or moused hooks must be used.
(j) Employees must not be hoisted on
inter-modal container spreaders while a load is engaged. Additional
requirements are located in WAC
296-24-23533.
(11) You must meet the following
requirements for routine inspections:
(a)
Designated persons must visually inspect each crane and derrick on each day of
use for defects in functional operating components and must report any defect
found to the employer. You must inform the operator of the findings.
(b) A designated person must thoroughly
inspect all functional components and accessible structural features of each
crane or device at monthly intervals.
(c) Any defects found during such inspections
which may create a safety hazard must be corrected before further use. Repairs
must be performed only by designated persons.
(d) A record of monthly inspections must be
maintained for six months in or on the crane or derrick or at the
terminal.