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If there are benzene pipelines on the pipe rack, can’t welding be carried out on the pipe rack?

2021-09-25View Original

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I got upset today because of an issue that arose: my workshop’s wastewater pipelines required the installation of heat tracing, and on the pipe rack located about a hundred meters away from where these pipelines would be installed, there were benzene pipelines. Other workshops that use benzene stopped us from proceeding, saying that due to the presence of those benzene pipelines, it was not safe to carry out any work, as static electricity could potentially trigger an explosion in the benzene tanks. Personally, I think this is nonsense. First of all, pipe racks are equipped with anti-static grounding, and then what danger does benzene pose? Are the pipe racks and workshops involving benzene lines not being set on fire? Although I encountered benzene for the first time this year after the change of plant manager, I had worked in gasoline and liquefied gas facilities for over a decade, always performing welding work directly on the pipe racks. Is there really any danger? Which is more sensitive to static electricity, liquefied gas or benzene? What do you all think?
Reply #22021-09-25
Don’t you have any special work management system for this?
Reply #32021-09-26
No leakage; it’s impossible to burn without high temperatures. The three elements of combustion.
Reply #42021-10-08
It should be carried out according to the classification of special operations; it’s not like you’re performing hot work with benzene-containing materials
Reply #52021-10-08
Personally, I think there is a bypass in the pipeline; The pipe rack is grounded ; The tank has double-grounding flat bars. As long as a specific safety construction plan is prepared and approved, it can be put into implementation!
Reply #62021-10-09
An operation plan can be formulated and submitted to the Safety and Environment Department for approval before implementation.
Reply #72021-10-25
There are relevant management regulations for hot work in utility tunnels

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