Huawei NetCol8000-C070 User Manual page 25

NetCol8000-C(070, 130, 190) In-room Chilled Water
Smart Cooling Product
User Manual
Drilling Holes
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Welding
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Issue 09 (2022-12-15)
Obtain consent from the customer and contractor before drilling holes.
Wear protective equipment such as safety goggles and protective gloves when
drilling holes.
To avoid short circuits or other risks, do not drill holes into buried pipes or
cables.
When drilling holes, protect the equipment from shavings. After drilling, clean
up any shavings.
A welder must have a work permit. Obtain consent from the customer before
welding.
Ensure that at least two persons are present onsite for welding and that fire
extinguishers, wet cloth, and water containers are available.
Ensure that the welding site is free from inflammables.
Do not weld or cut on pressurized containers or pipes. Electric devices must be
powered off before welding.
A burning welding torch must not be placed on a component or on the floor,
and must not be placed in a metal container with acetylene and oxygen.
Otherwise, the gas may leak and cause a fire.
High-temperature pipes after welding must be promptly cooled.
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