Piping Fabrication and Installation Plan 1

[joeure]

Hello AhliMekanik,
On Sept. 14, 2008 you wrote,

AhliMekanik (Mechanical) 14 Sep 08 11:22
Hi pennpiper,

We are an EPC company that want to make a tie-in standard specification for our company. Maybe the title of this spefication will be divided, such as :
1) Design Specification for Cold Tie-in
2) Fabrication and Installation for Cold Tie-in.

Until now we do not have yet a project that having tie-in work, but we would prepare this procedure for our next project proposal.

I already sent you, Piping Fabrication and Installation Procedure. The outline of this procedure is :
- Scope
- Reference
- General
- Storing and Protection from Demage
- Preparation and Fabrication
- Welding
- Heat Treatment
- Assembly and Installation of Piping
- Examination
- Pressure Test
- Flushing
- Tables and Figures
- Appendices.

Thank you with your kind attention.

Best Regards,
Ahli Mekanik


Could you send me a copy of this procedure. I have a general work plan for piping fabrication and installation A/G and U/G, but am looking for something with more detail and content.

Thank you for you time,
Joe

 

[pennpiper]

This is the link to the original posting.

http://www.eng-tips.com/viewthread.cfm?qid=226184&page=51

 

[pennpiper]

I must confess that since your first posting (September 2008) I have not given this much thought. I just assumed you had gotten the information you needed and had moved on. My error.

Now, I must ask you:
Do you currently have a "Design Specification" for normal new project work?

And

Do you currently have a "Piping Fabrication and Installation Specification/Procedure" for normal new project work?

If so then I feel that these documents will also cover the issues related to "Cold Tie-Ins" when supplemented with the Planning guidelines I gave you in September 08 (see below).

Tie-In Planning (Activity - Responsibility)
1. Identify each Tie-In(s) schematic location on P&ID - Process Engineer
2. Review with Piping - Process & Piping Design
3. Create a Tie-In Index (or List) with key information about each Tie-In - Piping Design & Process Engineer
4. Review with Client - Process Engineer
5. Go to the Field to locate physical point of Tie-In - Piping Design/Process
6. Meet with plant personnel and review Tie-In requirements - Piping Design, Process, Plant Operations, Safety
7. Discuss different types and configurations of Tie-Ins - Piping Design, Process and Plant personnel
8. Establish physical Tie-In location point and type - Piping Design & Plant Personnel
9. Define if the line can be shut –down, when, how long, draining, depressurizing, steam-out and other safety issues - All personnel
10. Visually inspect the existing pipe. Are more extensive tests needed to determine condition and suitability for the Tie-In - Piping Design and Plant personnel
11. Mark or tag the selected Tie-In point - Piping Design & Plant Personnel
12. Photograph the Tie-In point - Piping Design
13. Draw sketch and take all required measurements - Piping Design
14. Determine locations of all existing block valves, vents and drains - Piping Design
15. Determine the location of all existing anchors and guides - Piping Design
16. Based on selected Tie-In location and type determine if additional vents or drains will now be required - Piping Design, Plant Operations
17. Include new vents or drains (if any) on sketch - Piping Design
18. Insure that this process is followed for all Tie-Ins - All participants
19. Get plant personnel to sign off on all data collected in the field - Piping Design & Process Engineering
20. In the office modify the P&ID as required - Process Engineer
21. Convert all field sketches into appropriate production drawings (Isometrics) - Piping Design
22. Prepare a Plot Plan style "Tie-In Location Key Plan"
23. Update the Tie-In List as required - Piping Design
24. Review all Tie-Ins with Pipe Stress for effect on existing system piping and new system piping - Piping Design
25. Finalize (check, correct and approve) all Tie-In isometric drawings - Piping Design


Again, now every one who reads this and has been involved with Tie-Ins can add other steps based on there own experiences. I encourage them to do just that. It will only help.