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    Mos Under Ground Pipe Installation

    Uploaded by

    magdi badran
    This document provides the method statement for installing underground sewer pipes at the Al Qasr Development Project in Riyadh, Saudi Arabia. It specifies using NEPRO or PIPES and NAMAT-PVC fittings. The installation process includes excavating trenches, compacting bedding in layers below the pipes, and properly sloping and securing the pipes. Backfilling must be done carefully and warning tape placed below the top sand layer, following manufacturer recommendations.

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

    Mos Under Ground Pipe Installation

    Uploaded by

    magdi badran
    345 views2 pages
    This document provides the method statement for installing underground sewer pipes at the Al Qasr Development Project in Riyadh, Saudi Arabia. It specifies using NEPRO or PIPES and NAMAT-PVC fittings. The installation process includes excavating trenches, compacting bedding in layers below the pipes, and properly sloping and securing the pipes. Backfilling must be done carefully and warning tape placed below the top sand layer, following manufacturer recommendations.

    Original Description:

    MOS UNDER GROUND PIPE INSTALLATION

    Original Title

    MOS UNDER GROUND PIPE INSTALLATION

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    This document provides the method statement for installing underground sewer pipes at the Al Qasr Development Project in Riyadh, Saudi Arabia. It specifies using NEPRO or PIPES and NAMAT-PVC fittings. The installation process includes excavating trenches, compacting bedding in layers below the pipes, and properly sloping and securing the pipes. Backfilling must be done carefully and warning tape placed below the top sand layer, following manufacturer recommendations.

    Copyright:

    © All Rights Reserved
    Download as DOC, PDF, TXT or read online from Scribd
    Download as doc, pdf, or txt
    345 views2 pages

    Mos Under Ground Pipe Installation

    Uploaded by

    magdi badran
    This document provides the method statement for installing underground sewer pipes at the Al Qasr Development Project in Riyadh, Saudi Arabia. It specifies using NEPRO or PIPES and NAMAT-PVC fittings. The installation process includes excavating trenches, compacting bedding in layers below the pipes, and properly sloping and securing the pipes. Backfilling must be done carefully and warning tape placed below the top sand layer, following manufacturer recommendations.

    Copyright:

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

    AL QASR DEVELOPMENT PROJECT

    RIYADH SAUDI ARABIA

    METHOD OF STATEMENT
    OF
    UNDERGROUND PIPE INSTALLATION

    METHOD OF STATEMENT OF
    UNDERGROUND PIPE INSTALLATION
    Material to be used:
    1. NEPRO / PIPES: Approved (Trans # M-088)
    2. NAMAT-PVC FITTINGS: Approved (Trans # M-076)

    Summary: This Method of Statement includes all the underground sewer


    pipe installation.
    1. Procedure
    1. Excavate trenches to provide a clearance 300mm on each of the
    pipe.
    2. Bedding to be compacted in layers not exceeding 150mm to give
    uniform bed.
    3. Lay the pipe directly on the bedding.
    4. The pipes must be installed as indicated on the approved shop
    drawing with the required invert level and proper slope using the
    approved materials and fittings.
    5. Trench is not to be open too far in advance of pipe laying and then
    backfilled as soon as possible (24 hours max.)
    6. Use fine sand and compact fill firmly between the side of the pipe
    and the trench.
    7. Brick or hard materials under the pipe are not allowed to be used.
    8. Provide a warning tape along the pipe and below the upper layer of
    the sand.
    9. Until the crown of the pipe is covered by at least two feet of a
    tamped sand, considerable care shall be exercised in the back
    filling of trenches.
    10.The underground pipe must comply with the manufacturer
    recommendations for laying the underground pipes.

    END

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