Re: [MW:28186] API 650 Storage Tank water fill test.

Dear Lassaad,

Can we prevent MIC with addition of inhibitor. 

As per clause S.4.10.3 potable water can be kept in Stainless Steel tanks up to 21 days. If potable water can be kept in SS tank for 21 days why we code restricted to keep potable in CS tank for 14 days.

Thanks,

Manoj

On Tue, Aug 7, 2018 at 12:40 PM Global Consulting& Project Services <lass.mok@gmail.com> wrote:

Dear Manoj,

You should use corrosion inhibitor to the water

Thanks

With Best Regards,

Lassaad MOKRANI

Global Consulting& Project Services

Managing Director

Office Phone: 00216 70 037 738

Mobile: 00216 29 778 102

Email: lass.mok@gmail.com

Address: Rue de la Bourse, Immeuble Molka, 1ér étage, appartement A6, Le Berges du Lac II- 1053 Tunis

2018-08-02 16:52 GMT+02:00 Manoj John <manojacgnr@gmail.com>:

Dear Experts,

We are constructing a Carbon Steel storage tank as per API 650 and it is in final stage. The water filling can be done only by water tanker and filling itself will take minimum 3 weeks (21 days) and draining is calculated approximately 10 days.  If we fill with potable water how long the water can be kept in the storage tank.  If the filling and draining time extend more than the specified time (14 days) what precautions we need to take.

Is clause 7.3.6.3 (3) (a) is applicable  

Please advice.

Thanks,

Manoj.

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