RISK ASSESSMENT
QPP147
Section 2
Rev. March 07
H.
HAZARDS - SPECIAL TYPES
OF CRANE OPERATIONS
RISK CONTROLS & GENERAL PRECAUTIONS
H1.
Collision or dropping of the load
when working with two cranes
(Tandem Lifting)
H1.
When tandem lifting:
a. Work with two cranes of the same type.
b. Select cranes with ample capacity for the job.
c. Appoint one signaler for the entire operation.
d. As a rule, control the cranes by single lever operations and avoid compound lever operations.
e
Avoid slewing operations.
f.
Do not exceed 75% of the SWL on either of the cranes.
H2.
Collision, entanglement and falling
crane/load when operating on sites
with underground areas.
H2.
When operating a crane on sites with underground areas:
a.
Choose a number of parts of line with ample capacity for the job.
b.
Be particularly thorough in all aspects of signaling.
c.
Proceed with extra caution in all crane operations.
d.
If the number of parts of line on a wire rope is unsuitable for the boom length, the hook will not
reach ground level and the wire rope will wind backwards onto the drum and get damaged,
Summary of Contents for Franna AT-15
Page 1: ...QPP147 1 RISK ASSESSMENT...
Page 2: ...QPP147 Inside Cover Revised Mar07 RISK ASSESSMENT...
Page 6: ...RISK ASSESSMENT QPP147 Section 1 Rev March 07 1 GENERAL POTENTIAL HAZARDS RISK CONTROLS...
Page 15: ...RISK ASSESSMENT QPP147 Section 2 Rev March 07 2 OPERATIONAL POTENTIAL HAZARDS RISK CONTROLS...
Page 34: ...RISK ASSESSMENT QPP147 Appendix 1 Rev March 07 APPENDIX 1 WORKING ENVIRONMENT SITE CHECKLIST...
