Sand Blasted Parts Allowed In A Nuclear Environment
Sand Blasted Parts Allowed In A Nuclear Environment
(OP)
Are sand blasted parts allowed in a nuclear environment?
Any response will be greatly appreciated!
Any response will be greatly appreciated!





RE: Sand Blasted Parts Allowed In A Nuclear Environment
I suspect that 'raw' sandblasted parts would not be allowed on-site until painted. Too much chance for "loose contamination" to stuck on the surfaces if these parts were allowed into the radioactive areas of the plant.
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
Patricia Lougheed
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RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
Uncleaned sandblasted internals - surfaces or parts with the grit or blast residue and crud left inside - are illegal/out-of-spec, but that's because of the crud potential of the dirt - ANY dirt - not just uncleaned sandblast grit. Many tens of thousand "nuclear parts" in a plant are not connected directly to the primary (radioactive) water, but the corrosion problem and contamination problem of uncleaned parts would be applicable to all.
RE: Sand Blasted Parts Allowed In A Nuclear Environment
I wonder if someone wrote a spec prohibiting sandblasting because they were worried about sand getting inside the part of interest. For example sand traveling along shaft seal clearance into a bearing.
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(2B)+(2B)' ?
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
RE: Sand Blasted Parts Allowed In A Nuclear Environment
I came across this today (in researching another issue) and was wondering if this might have prompted your original question: h
I should probably note that the main concern in this case was the potential for internal radioactive contamination of the individuals.
Patricia Lougheed
******
Please see FAQ731-376: Eng-Tips.com Forum Policies: Eng-Tips.com Forum Policies for tips on how to make the best use of the Eng-Tips Forums.
RE: Sand Blasted Parts Allowed In A Nuclear Environment
Assuming that the sand blasting occured outdoors instead of in an enclosed space, the potental for achieving a true white metal blast or near white metal blast is decreased due to the potential for flash rusting or other contamination deposited on the surface from the atmosphere/environment.