[MW:710] Re: 708] re radiography bunker

thank you,

our basic job is to carry out radiography of castings maximum of 60
mm thk but regularly to use 20mm thick ,we wii go for concrete wall .

is there any approvals required if so from whom and what is the process.

regards,
surya prakash gajjalla

ASSOCIATED ENGINEERING SERVICES

On 4/8/08, Bathula Raghuram (Mumbai - PIPING) <R.Bathula@ticb.com> wrote:
>
> It depends on various factors, what type of bunker you want built. (i.e
> with concrete, sand bags, or steel etc.),
>
> TVT value for each of the above are different, hence thickness of wall
> may vary dpend on the max Ci of source you use,
>
> Dimensions of the bunker you can slelect depend on the max dimensions of
> the item you want to radiograph.
> Assuming Safe radiation for human being@ 0.0075 mSv / hr, for Ir192
> 100Ci source you may need 50cm thk wall of concrete (RCC) aprx..
>
>
> -----Original Message-----
> From: materials-welding@googlegroups.com
> [mailto:materials-welding@googlegroups.com] On Behalf Of gajjalla surya
> prakash
> Sent: Tuesday, April 08, 2008 12:14 PM
> To: materials-welding@googlegroups.com
> Subject: [MW:708] re radiography
>
>
> dear all,
>
> can any one give the details of radiography buncker room dimensions
> for carrying out radiography using ir 192.
>
> surya prakash gajjalla,
> ASSOCIATED ENGINEERING SERVICES.
>
>
>
> >
>

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