When crossing an existing pipeline, best practice demands that the new pipeline should be crossed below the existing to avoid upheaval buckling of the new pipeline since the top soil is already tampered. In that case a minimum safe distance should be maintained.
On Sat, Apr 18, 2020 at 12:32 PM QA/QC <adnanziad49@gmail.com> wrote:
Hello everyone--durring welding of new pipeline 12'' we found that we are cross a pipeline in service what is the correct procedure to do- we will cross our pipeline from the top or we should make it down the existing pipeline in service
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