APPENDIX B
B-8 Terex South Dakota, Inc. Appendix B
APPENDIX - B
(7) Check electrical systems related to the digger derrick for malfunctions, signs of excessive
deterioration, dirt and moisture accumulation.
(8) Check winch lines for any area of gross damage or deterioration that would result in appreciable
loss of original strength.
(9) Perform functional test to include, but not limited to, the following:
(a.) Set-up the digger derrick for operation, including outriggers.
(b.) 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.
(c.) Check functionality of emergency controls.
Any suspected items shall be carefully examined or tested and a determination made by a qualified
person as to whether they constitute a safety hazard. All unsafe items shall be replaced or repaired
before use.
10.9 Work site. Before the digger derrick is used, the worksite shall be surveyed for hazards:
(1) Insufficient supporting surfaces such as soft ground or untamped earth fill.
(2) Ditches.
(3) Excessive slopes, drop-offs, curbs and obstructions.
(4) Debris.
(5) Overhead obstructions and electrical conductors.
(6) Weather conditions.
(7) Presence of unauthorized persons.
(8) Road or worksite traffic.
(9) Subsurface chambers such as underground utility components or septic systems. If digging is
required, identify and mark location of all utilities. Contact the appropriate utility organizations to
obtain such information and assistance.
10.10 Precautions. Before and during each use the operator shall:
(1) Check for overhead obstructions and electrical conductors.
(2) Ensure that the load on the platform and/or load lifting devices are in accordance with the
manufacturer's platform capacity and/or rated load capacity.
(3) Ensure that outriggers and stabilizers are used if the manufacturer's instructions require their
use.
(4) Use outrigger pads when necessary to provide firm footing.
(5) On units equipped with steel type platforms, ensure that guard rails are properly installed and
the gates are closed.
(6) When using a platform, ensure proper use of fall protection equipment.
10.11 Training, Retraining and Familiarization of Operators.
10.11.1 General Training. Only personnel who have received general instructions regarding the
inspection, application and operation of digger derricks, including recognition and avoidance of hazards
associated with their operation, shall operate a digger derrick. Such items covered shall include, but not
necessarily be limited to, the following issues and requirements:
(1) The purpose and use of manuals.
(2) That operating manuals are an integral part of the digger derrick and must be properly stored on
the vehicle when not in use.
(3) A pre-start inspection.
(4) Responsibilities associated with problems or malfunctions affecting the operation of the digger
derrick.
(5) Factors affecting stability.
(6) The purpose of placards and decals.
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