Complete Solutions
1% - ANSWER-If a crane is out of level by 1%, you can lose upto 50% capacity
125 pounds - ANSWER-Weight of one cubic foot of soil
3300 pounds - ANSWER-Pounds weight of one cubic yard of soil
6.09 special requirements for Cranes: - ANSWER-Special Requirements for Cranes.
(a) Loading.
Material moving, handling or hoisting machinery shall be loaded in
accordance with the manufacturer's specifications. Manufacturers' load-rating plates or
applicable load charts shall be kept in the cab of the crane in clear view of the operator.
Rating plates or load charts for boom cranes shall clearly indicate the safe load for
maximum
and minimum positions of the boom and for at least two intermediate positions. The
procedures applicable to the operation of the equipment, including instructions,
recommended operating speeds, special hazard warnings, and operator's manual, must
be
readily available in the cab at all times for use by the operator. Where rated capacities
are
available in the cab only in electronic form: In the event of a failure which makes the
rated
capacities inaccessible, the operator must immediately cease operations or follow safe
shut-down procedures until the rated capacities (in electronic or other form) are
available
.
(b) Boom Stops. Devices to prevent the boom from falling over backward shall be
provided
on cranes. Cable boom stops by themselves shall not be considered as adequate for
this
purpose.
(c) Speed Controls and Stops. Hoisting machinery operating on rails, tracks or trolleys
shall
be equipped with speed controls and shall have positive stops or limiting devices to
prevent
overrunning safe limits.
(d) Equipment Modifications. Any modification made to hoisting machinery shall
maintain
at least the same factor of safety as the original designed equipment. A record of the
differences between the unmodified machinery and the modified machinery shall be
,maintained by the owner of the machinery and furnished to the Department upon
request.
All modifications shall be done with the manufacturer's written approval. If the
manufacturer's writ
6.09 Special Requirements for Derricks - ANSWER-(2) Special Requirements for
Derricks.
(a) Required Inspection. Guys, cable clamps and other rigging shall be visually checked
by
the operator at the beginning of each work day and before making any lifts that are near
the
capacity of the rig or as otherwise required by the manufacturer.
(b) Frequent checking by a duly licensed person of lead cables and mast foot blocks
shall
be performed to ensure that cables are not crossed or fouled. Lead line blocks shall be
checked frequently to ensure that they are properly secured. Leads shall be so
arranged as
to minimize tripping hazards.
6.09 Special Requirements for Excavating Machines - ANSWER-(5) Special
Requirements for Excavating Machines, Including Backhoes and Frontend Loaders.
(a) Dig Safe. Prior to any excavation, Dig Safe and other utilities not covered by Dig
Safe
must be notified. The operator must have a Dig Safe permit number, start date, and
time.
(b) Protection of Operator. Where the operator of an excavating machine may be
exposed
to the elements or overhead hazards, a suitable equipped cab for protection against
such
conditions shall be provided.
(c) Operation. Excavating machines shall be operated by a licensee, temporary permit
holder, or an apprentice licensee under the direct supervision of a duly licensed
operator.
SAE hand signals shall be used with excavating machinery. No person except the
operating
crew or apprentice licensee operating under the direct supervision of a duly licensed
operator
shall be permitted on an excavating machine while it is in operation.
No person other than
the pitman and excavating crew shall be permitted to stand within the full working radius
of
, an excavator or backhoe while the shovel or backhoe is in operation.
Excavating machinery
shall not be allowed to straddle an open trench.
6.09 Special Requirements for Fork Lifts - ANSWER-4) Special Requirements for Fork
Lifts.
Only a duly licensed operator or apprentice licensee
under the direct supervision of a duly licensed operator shall operate a fork lift. No fork
lift shall
be loaded beyond its capacity rating.
(a) Brakes. Every power operated fork lift shall be equipped with adequate wheel
brakes.
(b) Operation. No fork lift shall be operated at unsafe speeds. No person except a duly
licensed operator or apprentice licensee under the direct supervision of a duly licensed
operator shall be permitted on a fork lift while it is in operation.
6.09 Special Requirements for Pile Drivers - ANSWER-Special Requirements for Pile
Drivers.
(a) Inspection. All pile driving equipment shall be inspected daily before the start of work
by a licensed operator of the equipment and all unsafe conditions and defective parts
shall
be corrected before beginning operations.
(b) Driver Not in Use. When the pile driver is not in use, the hammer shall be chocked or
blocked in the leads or lowered to the ground.
(c) Temporary Interruption. The operator of every pile driver shall remain at his post
when
the driving is interrupted until the hammer has been chocked or blocked in the leads, or
has
been lowered and is resting on a driven pile or on the ground.
(d) Jib Attachment. Pile drivers shall not be used with a jib attached.
(e) Stop Blocks. Stop blocks shall be provided for the leads to prevent the hammer from
being raised against the head block.
A boom angle indicator, clearly visible to the operator, is required on all of the following
equipment EXCEPT: - ANSWER-Cranes with fixed-length and angle booms
Cranes and derricks that have variable angle booms, and cranes with telescoping
booms, should be equipped with a boom angle indicator that is clearly visible to the
operator.