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PostPosted: Mon Oct 15, 2018 5:30 pm 
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JABEZJ wrote:
reigncourts wrote:
JABEZJ wrote:
What's the best alternative for oil pipeline?


Hydrostatic testing oil pipelines should be enough, especially on existing pipelines, followed by NDT tests. X-ray or Ultrasonic tests may be done on repaired sections or suspected weak areas in the pipeline.


OK thanks..
How will you dispose the water used during hydrotesting?


The end where the pressurized water is introduced is provided with a valve to close the water when the test pressure is reached. The same valve should drain the system after the test.

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PostPosted: Mon Oct 15, 2018 5:37 pm 
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JABEZJ wrote:
reigncourts wrote:
JABEZJ wrote:
What's the best alternative for oil pipeline?


Hydrostatic testing oil pipelines should be enough, especially on existing pipelines, followed by NDT tests. X-ray or Ultrasonic tests may be done on repaired sections or suspected weak areas in the pipeline.


OK thanks..
How will you dispose the water used during hydrotesting?
reigncourts wrote:

The end where the pressurized water is introduced is provided with a valve to close the water when the test pressure is reached. The same valve should drain the system after the test.


Since your pipeline is existing and used in operation, the water being used during hydrotesting will be contaminated.

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PostPosted: Mon Oct 15, 2018 5:52 pm 
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JABEZJ wrote:
JABEZJ wrote:
JABEZJ wrote:
What's the best alternative for oil pipeline?

reigncourts wrote:
Hydrostatic testing oil pipelines should be enough, especially on existing pipelines, followed by NDT tests. X-ray or Ultrasonic tests may be done on repaired sections or suspected weak areas in the pipeline.


OK thanks..
How will you dispose the water used during hydrotesting?
reigncourts wrote:

The end where the pressurized water is introduced is provided with a valve to close the water when the test pressure is reached. The same valve should drain the system after the test.


Since your pipeline is existing and used in operation, the water being used during hydrotesting will be contaminated.


I see. In that case another valve (drain valve) should be provided after the test entry valve. the drain valve should be provided with a hose that drain to a pit. Before and after the test, the system should be flushed with clean water and dried before putting back into operation.

_________________
I defend PAC on OSDT and Catchweight Issues; Not his Traditional Politics and Religious Exploits.

"Marcos, Hitler, Diktador, TUTA. Patalsikin ang bangkay ni Marcos sa LNMB". PATALSIKIN!!!
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PostPosted: Tue Oct 16, 2018 8:28 am 
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JABEZJ wrote:
JABEZJ wrote:
JABEZJ wrote:
What's the best alternative for oil pipeline?

reigncourts wrote:
Hydrostatic testing oil pipelines should be enough, especially on existing pipelines, followed by NDT tests. X-ray or Ultrasonic tests may be done on repaired sections or suspected weak areas in the pipeline.


OK thanks..
How will you dispose the water used during hydrotesting?
reigncourts wrote:

The end where the pressurized water is introduced is provided with a valve to close the water when the test pressure is reached. The same valve should drain the system after the test.


Since your pipeline is existing and used in operation, the water being used during hydrotesting will be contaminated.
reigncourts wrote:

I see. In that case another valve (drain valve) should be provided after the test entry valve. the drain valve should be provided with a hose that drain to a pit. Before and after the test, the system should be flushed with clean water and dried before putting back into operation.


Thanks..I already know the principles discussed above...
I am interested more in any alternatives to hydrotesting...
This is to reduce effluent discharge and comply with environmental laws...
To make the system waterless as much as possible...

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PostPosted: Sun Oct 21, 2018 3:32 pm 
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Mukhang wala pang engr na naging senador

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PostPosted: Sun Oct 21, 2018 5:25 pm 
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^^
engr na naging presidente, meron. Fidel Ramos graduated in Civil Engineering from National University and top 8 in board exams in 1953. :D

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I defend PAC on OSDT and Catchweight Issues; Not his Traditional Politics and Religious Exploits.

"Marcos, Hitler, Diktador, TUTA. Patalsikin ang bangkay ni Marcos sa LNMB". PATALSIKIN!!!
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PostPosted: Sun Oct 21, 2018 6:18 pm 
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si engr torotoy TOP din yun...Kamote top :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:


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PostPosted: Sun Oct 21, 2018 7:30 pm 
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Gamby Sucaldito wrote:
si engr torotoy TOP din yun...Kamote top :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:


Nyahahahahah! :biglaugh:

:lol: :lol: :lol:

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I defend PAC on OSDT and Catchweight Issues; Not his Traditional Politics and Religious Exploits.

"Marcos, Hitler, Diktador, TUTA. Patalsikin ang bangkay ni Marcos sa LNMB". PATALSIKIN!!!
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PostPosted: Sun Oct 21, 2018 11:31 pm 
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Gamby Sucaldito wrote:
si engr torotoy TOP din yun...Kamote top :lol: :lol: :lol: :lol: :lol: :lol: :lol: :lol:



Love mo lang si engr :lol:

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PostPosted: Sat Nov 10, 2018 10:53 pm 
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nata tawa ako sa discussion nang dalawa isang poser at isang engineer ..without specifying the allowable pressure being use , max and minimum pressure of said pipe..

kailangang simple test at hinde necessary ang extreme test. :lol:


in short para saan ba gagamitin ang pipe na yan... at anong pressure ang maximum possible before going to the extreme na NDT test at xray test.. parang steam power plant yata ang idea na isang poser..

lumalabas lang na nag google ang huklubang poser ... poser na poser talaga :biglaugh: :biglaugh: :biglaugh:

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PostPosted: Sun Nov 11, 2018 3:39 am 
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ayan na sya...yung engr....engr na bobo hahahahahahha :lol: :lol: :lol: :lol: :lol:


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PostPosted: Sun Nov 11, 2018 3:25 pm 
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dan44 wrote:
nata tawa ako sa discussion nang dalawa isang poser at isang engineer ..without specifying the allowable pressure being use , max and minimum pressure of said pipe..

kailangang simple test at hinde necessary ang extreme test. :lol:


in short para saan ba gagamitin ang pipe na yan... at anong pressure ang maximum possible before going to the extreme na NDT test at xray test.. parang steam power plant yata ang idea na isang poser..

lumalabas lang na nag google ang huklubang poser ... poser na poser talaga :biglaugh: :biglaugh: :biglaugh:

:lol: :lol: :lol:

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PostPosted: Mon Nov 12, 2018 10:58 am 
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JABEZJ wrote:
JABEZJ wrote:
Mga engineers, please share your ideas about pipeline hydrotesting...

Salamat... :D


dan44 wrote:
^ expound ?


Hydrostatic testing means you will have to subject your pipeline to a test to ensure it can withstand the desired pressure prior to your operation.

Question: What are the possible alternatives to this practice?

Contactor ka ba?

Hydrostatic or Pneumatic test , if your an ME familiar ka na sa ASME code of pressure testing kung saan category ka papasok ..Power piping,Process Piping ..etc


alam mo na ang standard procedure sa mga contractor you have to obtain from the manufacturer , certification that there product is fully certified and passed the international standard test. ang problema mo na lang ang workmanship to ensure that there is no leak sa mga joint , doon papasok ang hydrostatic or Pneumatic test , of course kailangan susunod ka sa design pressure , alam mo na ang standard...factor of safety..etc .. care to elaborate :lol:

experience lang ang kulang mo.... :biglaugh:


mag hire ka na lang nang mga license certified company sa Hydrostatic test mo, kuripot ka yata :lol: :lol: :lol:

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PostPosted: Mon Nov 12, 2018 2:32 pm 
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Image

mga engineer solve this problem :lol:

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PostPosted: Mon Nov 12, 2018 3:15 pm 
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Hindi na gets ni engr danniboi ang post ko...
I know about hydrotesting...

What I am after is the alternative to reduce/minimize/eliminate effluent...

Sige engr dann, paki explain...

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