Painted Anchor chair

Question

Painted Anchor chair

zhamal (Mechanical)

(OP)

23 Oct 20 05:48

Hi all,

water storage Tank . During blasting and painting of the tank, blasting and painting team not knowing blasted and painted all anchor chairs with its thread in full. To close NCR issued by Owner no idead whatr to write down on it . Pls smb tell corrective action some good technical words . Owner agreed to close NCR , actually it will not affect to future settlement of the tank, because bolts can be screwed still.

https://files.engineering.com/getfile.aspx?folder=8975cfec-a6eb-47ed-84ce-1

IFRs (Petroleum) · Answer 1 · 2020-10-23 09:24:16

Anchor chairs are typically there to resist uplift from wind and/or seismic events and perhaps from flooding of the impoundment area. Normally the nuts are snug tight. Anchored tanks should be shimmed and grouted to the concrete foundation and they will settle with the foundation. Assuming they are properly tightened and not loose with gaps, painting them should not affect their ability to serve this function. I think you can safely ignore the painting and move on.

Dhurjati Sen (Materials) · Answer 2 · 2020-10-23 14:14:08

Just one line for the correective action - "removed the excess paint manually using emery paper".

Now, the client should happily close the NCR.

By the way, is the client somewhere in the middle east? Then I might know the guy who could have raised such an NCR.

DHURJATI SEN

IFRs (Petroleum) · Answer 3 · 2020-10-23 18:24:13

I don't understand why it is necessary to remove paint from anchor chairs.

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