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    Tie in Mos

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    AAISAT
    The document outlines the scope, purpose, and procedure for a tie-in project involving the fabrication, installation, inspection, and painting of a pipe spool with valve in existing 10-inch cooling water supply and return lines. The purpose is to supply water to new 3-inch cooling water lines for a cooler lubrication system. The procedure involves prefabrication, welding and inspection at the shop, transport to the site, isolation of the lines, scaffolding, cutting and welding a weldolet fitting, fitting and welding the prefabricated spool, installing isolation valves, testing welds via radiography, painting, and demobilization.

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    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd

    Tie in Mos

    Uploaded by

    AAISAT
    47 views2 pages
    The document outlines the scope, purpose, and procedure for a tie-in project involving the fabrication, installation, inspection, and painting of a pipe spool with valve in existing 10-inch cooling water supply and return lines. The purpose is to supply water to new 3-inch cooling water lines for a cooler lubrication system. The procedure involves prefabrication, welding and inspection at the shop, transport to the site, isolation of the lines, scaffolding, cutting and welding a weldolet fitting, fitting and welding the prefabricated spool, installing isolation valves, testing welds via radiography, painting, and demobilization.

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    TIE IN MOS.docx

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    The document outlines the scope, purpose, and procedure for a tie-in project involving the fabrication, installation, inspection, and painting of a pipe spool with valve in existing 10-inch cooling water supply and return lines. The purpose is to supply water to new 3-inch cooling water lines for a cooler lubrication system. The procedure involves prefabrication, welding and inspection at the shop, transport to the site, isolation of the lines, scaffolding, cutting and welding a weldolet fitting, fitting and welding the prefabricated spool, installing isolation valves, testing welds via radiography, painting, and demobilization.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    47 views2 pages

    Tie in Mos

    Uploaded by

    AAISAT
    The document outlines the scope, purpose, and procedure for a tie-in project involving the fabrication, installation, inspection, and painting of a pipe spool with valve in existing 10-inch cooling water supply and return lines. The purpose is to supply water to new 3-inch cooling water lines for a cooler lubrication system. The procedure involves prefabrication, welding and inspection at the shop, transport to the site, isolation of the lines, scaffolding, cutting and welding a weldolet fitting, fitting and welding the prefabricated spool, installing isolation valves, testing welds via radiography, painting, and demobilization.

    Copyright:

    © All Rights Reserved
    Download as DOCX, PDF, TXT or read online from Scribd
    Download as docx, pdf, or txt
    of 2

    1.

    SCOPE OF WORK

    The scope of work shall be covered fabrication, installation Inspection and


    Painting of Tie in pipe spool with valve in the existing 10” CWS & CWR lines.

    2. PURPOSE
    Purpose of this Tie-in is to supply water to the new 3" Cooling water Supply
    and Return line for the COOLER IN THE DISCHARGE PRODUCT
    LUBRICATION LINE OF PUMP 141-G-0002 A/B.

    3. PROCEDURE

     As per drawing site measurement’s to be done.


     Pre fabrication to be start at shop as per site verification.
     Fit up and welding joints inspection will be as per approved ITP
     NDT testing, and painting of prefabricated spool will be done at shop as per
    approved IFC drawings.
     Notify the Operations department for Isolation.
     After obtaining necessary work permits field crew will be mobilized for
    performing the site activities.
     Barricading the work area with warning tapes for safe working environment
    to avoid accidents.
     Scaffolding activities will start one week prior to starting of job.
     Prefabricated spool is transported to site after completion of NDT and Final
    inspection.
     Proper isolation and draining to be done before starting of activities
     Prepare cutting and welding activity work permit and get approval
    from concerned department.
     Cutting of hole for 10"x3" weldolet fit-up.
     Fit-up of 10"x3" weldolet and fit-up inspection by Al Amara with Third party
    inspection team.
     Root welding of weldolet and DPT inspection after that Fill up and final
    welding.
     Fit-up of prefabricated flange spool (final inspection and NDT completed) with
    weldolet.
     Fit-up inspection by Al Amara & Third party inspection team.
     Welding of 3" pipe to weldolet joint and final weld visual and DPT inspection
    of two joints.
     100% Radiography for the welding joints to be done.
     Installation of 3" isolation valves, make sure all the flange faces has been
    cleaned and inspect all the gaskets and bolt nuts before installation ,Final bolt
    torqueing to be done as per the SATORP Standards.
     Final paint touch up in welding joints and housekeeping.
     Project completion documents preparation.
     Housekeeping and Demobilization.

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