STT113 TOWER CRANE OPERATION AND SERVICE MANUAL
2B
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3
3. Personnel selecting and their qualifications
（
1
）
The tower crane musts be operated by qualified person;
（
2
）
The crane operator must be trained. There must be a specific regulation about
the ability of driver, erector, maintenance and service person;
（
3
）
Crane operators should clarify their responsibility, and make them know that
they should refuse all the order which act against the safety
；
（
4
）
The experienced personnel must supervise at jib site when the tower crane is
operated by trainees or learners.
（
5
）
The installing, debug and maintenance of electric equipment must be operated
by competent electrician.
（
6
）
The debug and maintenance for each mechanism must be operated by
professional;
（
7
）
The installing, debug and maintenance of hydraulic device must be operated by
experienced professional.
4. The safety rules during working stage
（
1
）
Every time before starting up:
a). Give audience to the order of job site supervisor;
b). Switch on
；
c). Remove cushion block, loosen the rail clamping device and other fixing
device (wind speed ≤ 13m/s);
d). Check that is there any obstacle on the track;
e). Cancel the jib weather vane condition
；
f). Check that are all the protective device and safety device in normal
condition.
