Huawei FusionModule1000A20 Maintenance Manual page 21

FusionModule1000A20 Prefabricated All-in-One
Data Center
Maintenance Guide
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Hoisting
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Issue 03 (2022-12-15)
If a single ladder is used, ensure that the wider end of the ladder is at the
bottom, and take protective measures to prevent the ladder from sliding.
If a single ladder is used, do not climb higher than the fourth rung of the
ladder from the top.
If you use a single ladder to climb up to a platform, ensure that the ladder is
at least 1 m higher than the platform.
Only trained and qualified personnel should perform hoisting operations.
Install temporary warning signs or fences to isolate the hoisting area.
Ensure that the foundation where hoisting is performed meets the load-
bearing requirements.
Before hoisting objects, ensure that hoisting tools are firmly secured onto a
fixed object or wall that meets the load-bearing requirements.
During hoisting, do not stand or walk under the crane or the hoisted objects.
Do not drag steel ropes and hoisting tools or bump hoisted objects against
hard objects during hoisting.
Ensure that the angle between two hoisting ropes is no more than 90
degrees, as shown in the following figure.
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