Mechanical Safety - Huawei UPS5000-H Series User Manual

UPS5000-H-(400 kVA-600 kVA)
User Manual (100 kVA Power Module)

1.5 Mechanical Safety

Hoisting Devices
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Using Ladders
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Issue 01 (2020-11-30)
Do not walk under hoisted objects.
Only trained and qualified personnel should perform hoisting operations.
Check that hoisting tools are available and in good condition.
Before hoisting objects, ensure that hoisting tools are firmly secured onto a
load-bearing object or wall.
Ensure that the angle formed by two hoisting cables is no more than 90
degrees, as shown in the following figure.
Do not drag steel ropes and hoisting tools or bump hoisted objects against
hard objects during hoisting.
Use wooden or fiberglass ladders when you need to perform live working at
heights.
When a step ladder is used, ensure that the pull ropes are secured and the
ladder is held firm.
Before using a ladder, check that it is intact and confirm its load bearing
capacity. Do not overload it.
Ensure that the ladder is securely positioned. The recommended angle for a
ladder against the floor is 75 degrees, as shown in the following figure. An
angle rule can be used to measure the angle. Ensure that the wider end of the
ladder is at the bottom, or protective measures have been taken at the
bottom to prevent the ladder from sliding.
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