you can use multiple plates also. They could be seal welded and make sure, it is leak proof..
sridhar.
From: Jorge Mejía Lema <jmejialema@gmail.com>
To: materials-welding@googlegroups.com
Sent: Thursday, 5 July 2012 8:25 PM
Subject: Re: [MW:14772] Permissible value in decreasing of liquid level in hydrostatic test for aboveground storage tanks
Excuse me, which the tank diameter? The size of the steel plate is commercialy 6 feet x 40 feet.
Regards,
jorge Mejia
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Regards,
jorge Mejia
2012/7/4 muthuvel <muthuvel_a2000@yahoo.co.in>
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Dear sir,Can you anybody tell me, for constructing the Tank of Bottom Plate , shall we use single Plate for bottom instead of wleding to join the plate .Rgs,
From: eccospi <eccospi@gmail.com>
Subject: RE: [MW:14755] Permissible value in decreasing of liquid level in hydrostatic test for aboveground storage tanks
To: materials-welding@googlegroups.com
Date: Tuesday, 3 July, 2012, 9:48 PM
Dear Mr. OZDEMIRTo answer your query there is some further data required:1. The tank top: Open top or Fixed Roof or Floating Roof.2. Roof Venting System.3. The Atmospheric Temp in this specific area.4. Any Settlement measure being carried over while Hydrostatic testing for the Bottom??? [ by measure or visually]5. Shell Condition with regard to Peaking and Banding from outside [ any changes occurred] [ by measure or visually]6. Shell Plumpness. [ by measure or visually]Any way as the difference in these two measures is 23 mm= 0.2% for the duration 5 days and if you are in Hot weather condition @ Ambient reach +29C or higher with open top tanks or good venting system with fixed roofs you can reach such evaporation in the contained water is considered from my point of view reasonable as You need to calculate the evaporation rates to get the actual amount of loss.N.B.: The level of water in Hydrostatic testing results in consideration the following:1. Any detected leak.[ reference duration to be done in 1 to 3 Hours]2. Any Deformations to the Shell or Roof.[ days as for base settlement ]3. Measure the Foundation Settlement while actual full loading case.I hope this will be of any help to your question.Best rgrdsD.eng.A.Aziz Gendiaecco-spi President & CEOMob.: +2012 21 33 956Fax: +202 2477 8411e-mail: ecco-spi@gmail.comFrom: materials-welding@googlegroups.com [mailto:materials-welding@googlegroups.com] On Behalf Of ESMAT S
Sent: Tuesday, July 03, 2012 12:49 PM
To: materials-welding@googlegroups.com
Cc: materials-welding@googlegroups.com
Subject: Re: [MW:14748] Permissible value in decreasing of liquid level in hydrostatic test for aboveground storage tanksIs tank exposed to the sun?!!
Sent from my iPhone
On Jul 3, 2012, at 11:51 AM, "tugrulhan özdemir" <tugrulhan9@gmail.com> wrote:Hi everyoneIs there anyone have an idea about Permissible value in decreasing of liquid level in hydrostatic test for aboveground storage tanks.For example just after filling the tank liquid level was 10610 mm at 29degre celciousafter 5 days the tank liquid level was 10597 mm at 29degre celciousotther infos: New tank , first time for hydrostatic test, A36 materialThank youTugrulhan OZDEMIR--
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The views expressed/exchnaged in this group are members personel views and meant for educational purposes only, Users must take their own decisions w.r.t. applicable code/standard/contract documents.
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