Re: [MW:30803] two Pipeline crossing

El dom., 19 abr. 2020 a las 10:21, MADHUSOODHANAN NAIR .G (<nairdan2@gmail.com>) escribió:

Dear All
The API 1104 is describing only Welding of pipelines and related facilities and in service welding. One sample drawing I have attached for your reference. If required you can use this drawing after the acceptance from concerned authorities.

Madhusoodhanan Nair.G
Sr. Manager (Operations)
VCS Quality Services Pvt Ltd
Mob- 7977762694,9967901872

On Sun, Apr 19, 2020 at 10:30 AM QA/QC <adnanziad49@gmail.com> wrote:
Tnx

do we have any standard mention that from API

Le samedi 18 avril 2020 14:25:02 UTC+2, emmanuellawrenceu a écrit :
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 <adnan...@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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