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Recent content by Ossareh1352

  1. Ossareh1352

    ASTM A203, Grade B for Propane Tanks

    Thank you. For your information our Design Code is API 620 and our Propane Tank is not a pressure vessel. With this information could you let me your new recommendation? Thanks
  2. Ossareh1352

    ASTM A203, Grade B for Propane Tanks

    Dear Sir/Madam, For your kind information in our Project (BID Boland II-Iran) , we have two Propane Storage Tanks (50,000 m3,each , Temp.-50c). The material for these Tanks in our Contract is ASTM A203 Grade B , but in our normal practice we have used ASTM A 573.I will be highly appreciated , If...
  3. Ossareh1352

    HAZOP meeting and 30% Model Review

    Thank you engineering , but I still can not understand why the 3D model is the precedence of HAZOP study. I know that HAZOP shall perform after reaching P&ID to the proper quality but what is the relation between HAZOP and 3D modeling. Our client insist to perform 30% model review before...
  4. Ossareh1352

    HAZOP meeting and 30% Model Review

    Dear Engineers Please kindly be informed that our project is Gas treating and sweetening Plant. In our Contract with client , 30% 3D model review (in PDMS) is the precedence of "HAZOP" study meeting but I can not understand any relation between HAZOP and 30% of 3D Model review meeting...
  5. Ossareh1352

    LPG pipeline required space

    dear dcasto is it ok for underground pipeline or above ground. our pipeline is underground about 2 m. according to your experiance 15' is enough ? 25' is from the edge of foundation up to pipeline?
  6. Ossareh1352

    LPG (liquid) pipeline

    dear dcasto 1 feet , 3 feet and 7 feet are the spacing between pipeline to pipeline but my question is the clearance between underground R.O.W. for liquid pipeline and other non-industrial area and building which people can live safely.
  7. Ossareh1352

    LPG (liquid) pipeline

    Dear Engineers For your kind information in our project we have the Liquid LPG pipelines which are going underground through a city to jetty. I have searched many standards for required safety space around these pipes but I could not find any things about liquid pipeline such as LPG and all of...
  8. Ossareh1352

    LPG pipeline required space

    Dear engineers For your kind information , in our project 2 LPG pipe lines (C3 and C4) will be going through a city to Jetty. I need a standard to know the required space around these LPG lines which we do not have the athority to build any building as safety point of view. If you know any...
  9. Ossareh1352

    Double wall storage Tanks

    Dear Friends for your information we have two storage tanks in our plant as follows: 1- Double wall tank for C3(Propane)with volume of 50,000 m3 for each tank . the operation temp. is -42c. 2-Double wall tank for C4(Butane)with volume of 22,000 m3 for each tank . the operation temp. is -8c...
  10. Ossareh1352

    Double Wall Storage Tanks

    Dear Friends for your information we have two storage tanks in our plant as follows: 1- Double wall tank for C3(Propane)with volume of 50,000 m3 for each tank . the operation temp. is -42c. 2-Double wall tank for C4(Butane)with volume of 22,000 m3 for each tank . the operation temp. is -8c...
  11. Ossareh1352

    Double wall tanks making (Steel+Steel) or (Steel + Concrete)

    Dear Friends for your information we have two storage tanks in our plant as follows: 1- Double wall tank for C3(Propane)with volume of 50,000 m3 for each tank . the operation temp. is -42c. 2-Double wall tank for C4(Butane)with volume of 22,000 m3 for each tank . the operation temp. is -8c...
  12. Ossareh1352

    What is RVP ?

    Dear Friend one of our plant's product is C5+ with the specific RVP =11. I don't know : 1-what is the RVP ? 2-How we can determine it? 3-Why Owner select this amoun of RVP , is there any relation between RVP and Climate or plant location? Thanksfor your kind information.
  13. Ossareh1352

    Turbo Expander and Slug Catcher

    Dear Friends, I am working on the Gas Treating Plant. The feed of our plant comes from two NGL sources and in the inlet of our plant we have considered one Slug Catcher. Nowadays we informed that Turboexpander in two NGL will be in the services so the voulme of our slug catcher will be...
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