Responsibilities ANSI/ASSE A10.31 EEC-0168 V1.0
Responsibilities per
ANSI/ASSE A10.31
II. Controls return to neutral when released and do not stick
III. Control functions and operation clearly marked
c. Check visual and audible safety devices for proper operation.
d. Visually inspect fiberglass and insulating components for visible damage
and contamination.
e. Check for missing or illegible operational and instructional markings.
f. Check hydraulic and pneumatic systems for observable deterioration and
excessive leakage.
g. Check electrical systems related to the digger derrick for malfunctions,
signs of excessive deterioration, dirt, and moisture accumulation.
h. Check winch lines for any areas of gross damage or deterioration that
would result in appreciable loss of original strength.
i. Perform functional test to include, but not limited to, the following:
I. Set up the digger derrick for operation, including outriggers
II. Cycle the digger derrick functions through the complete range of
motion from the lower controls, except where operation through the
complete range of motion would create a hazard
III. Check functionality of emergency controls
Any suspected items shall be carefully examined or tested, and a determination
will be made by a qualified person as to whether they constitute a safety hazard.
All unsafe items shall be replaced or repaired before use.
4. Periodic Inspection and Test: An inspection of the mobile unit shall be
performed at a range of one- to 12-month intervals, depending on its activity,
severity of service, and environment or as specifically indicated below (these
inspections shall include the requirements of ANSI/ASSE A10.31, Frequent
Inspection and Test section on page 9:
a. Structural members for deformation, cracks, or corrosion.
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