Donmiguel
Chemical
- Sep 1, 2015
- 6
Hi everyone.
In our company we are debating what is best practise for creating P&IDs (combined effort of a drafter and an engineer) with the least errors in the fastest time (Basic engineering P&IDs).
There seems to be two schools:
School A:
- Draft the diagrams roughly and assign pipe, valve tags (preferably copy from a similar project but dont keep the data from the previous project)
- Calculate pipe size, select pipe material, schedule, identify service and insulation type (either by an excel sheet or from a software program)
- Print the P&IDs and write by hand the above information on them
- Handover P&IDs to drafter which punchs in information into P&ID software
- Print P&ID for check
Pros: Gives a good graphical overview of the process for the engineer and easy to catch errors (pipes joined with different specs)
Cons: Prone for errors when drafter reads handwriting and transfer of data needs to be checked. Borring for drafter
School B:
- Draft the diagrams roughly and assign pipe, valve tags (preferably copy from a similar project but dont keep the data from the previous project)
- Calculate pipe size, select pipe material, schedule, identify service and insulation type (either by an excel sheet or from a software program)
- Automatic export from excel sheet into P&ID software (mapping which excel row is identical to pipe in P&ID software necessary)
- Print P&ID for check
Pros: Less human errors and need for internal checks
Cons: mapping excel data to P&ID software takes a long time and is error prone for engineer)
There are probably plenty of other "schools" for P&IDs (Engineer doing all the work in the P&ID software?). Please share your ideal workflow regarding making P&IDs.
(and why are all the software solutions for P&IDs so slow to work with (Smartplant P&ID). Anyone that can recommend a fast reliable P&ID program? Must be able to exchange data in lists)
In our company we are debating what is best practise for creating P&IDs (combined effort of a drafter and an engineer) with the least errors in the fastest time (Basic engineering P&IDs).
There seems to be two schools:
School A:
- Draft the diagrams roughly and assign pipe, valve tags (preferably copy from a similar project but dont keep the data from the previous project)
- Calculate pipe size, select pipe material, schedule, identify service and insulation type (either by an excel sheet or from a software program)
- Print the P&IDs and write by hand the above information on them
- Handover P&IDs to drafter which punchs in information into P&ID software
- Print P&ID for check
Pros: Gives a good graphical overview of the process for the engineer and easy to catch errors (pipes joined with different specs)
Cons: Prone for errors when drafter reads handwriting and transfer of data needs to be checked. Borring for drafter
School B:
- Draft the diagrams roughly and assign pipe, valve tags (preferably copy from a similar project but dont keep the data from the previous project)
- Calculate pipe size, select pipe material, schedule, identify service and insulation type (either by an excel sheet or from a software program)
- Automatic export from excel sheet into P&ID software (mapping which excel row is identical to pipe in P&ID software necessary)
- Print P&ID for check
Pros: Less human errors and need for internal checks
Cons: mapping excel data to P&ID software takes a long time and is error prone for engineer)
There are probably plenty of other "schools" for P&IDs (Engineer doing all the work in the P&ID software?). Please share your ideal workflow regarding making P&IDs.
(and why are all the software solutions for P&IDs so slow to work with (Smartplant P&ID). Anyone that can recommend a fast reliable P&ID program? Must be able to exchange data in lists)
