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pre-commission vs. commission

Croatian translation: ZAVRŠNE RADNJE I PUŠTANJE U POGON

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GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:pre-commission vs. commission
Croatian translation:ZAVRŠNE RADNJE I PUŠTANJE U POGON
Entered by: Gordana Podvezanec
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16:03 Nov 11, 2008
English to Croatian translations [PRO]
Tech/Engineering - Construction / Civil Engineering
English term or phrase: pre-commission vs. commission
dakle radi se o start-upu jednoga postrojenja- odnosno stavljanju u pogon tog postrojenja, za koje pise da se sastoji od pre-commissioning i commissioning.
da li netko zna razliku?
mislim da se radi o probnom stavljanju u pogon...
hvala
Maja Engel
Local time: 04:09
ZAVRŠNE RADNJE I PUŠTANJE U POGON
Explanation:
For starting up a process control system I am used to this routine:

1. Install the various subsystems.
2. Perform hook-up of the subsystems.
3. Post-installation testing of the subsystems: this is usually basic things like testing of connections for integrity and continuity, no functional testing.
4. Pre-commission the subsystem: functional checks, particularly against interfaces, but may also include leak and continuity tests.
5. Pre-commission the system: end to end functional check of the system, i.e. very few, if any, forced or simulated inputs.
6. Commission the system: this ends up being very little because all the work was done in pre-commissioning the system. Hence the question. What should be in pre-commissioning and what should be in commissioning? Is pre-commissioning at the subsystem level and commissioning at the system level? Our commissioning would normally also include displacing storage or transportation fluids from process and utility lines, replacing them with the working fluids, but most of this would be outside control system scope.
7. Startup of the process: operations take over here and follow their own procedures for opening valves and controlling the subsequent behavior of the process.

This routine is used for bringing on the control system for a reasonably complex process on a fairly large scale. The control system comprises everything from the HMI through to hydraulic actuating devices, remote PLC based I/O systems, pneumatic control of hydraulic and utility supply systems, interfaces to process shutdown systems.

The general definition seems to be that commissioning is the work required to bring a system to the point where it can be used. This may include leak tests, continuity tests and functional tests.
Selected response from:

Gordana Podvezanec
Croatia
Local time: 04:09
Grading comment
odlicno, hvala!
4 KudoZ points were awarded for this answer

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Summary of answers provided
3 +1ZAVRŠNE RADNJE I PUŠTANJE U POGON
Gordana Podvezanec


  

Answers


5 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5 peer agreement (net): +1
ZAVRŠNE RADNJE I PUŠTANJE U POGON


Explanation:
For starting up a process control system I am used to this routine:

1. Install the various subsystems.
2. Perform hook-up of the subsystems.
3. Post-installation testing of the subsystems: this is usually basic things like testing of connections for integrity and continuity, no functional testing.
4. Pre-commission the subsystem: functional checks, particularly against interfaces, but may also include leak and continuity tests.
5. Pre-commission the system: end to end functional check of the system, i.e. very few, if any, forced or simulated inputs.
6. Commission the system: this ends up being very little because all the work was done in pre-commissioning the system. Hence the question. What should be in pre-commissioning and what should be in commissioning? Is pre-commissioning at the subsystem level and commissioning at the system level? Our commissioning would normally also include displacing storage or transportation fluids from process and utility lines, replacing them with the working fluids, but most of this would be outside control system scope.
7. Startup of the process: operations take over here and follow their own procedures for opening valves and controlling the subsequent behavior of the process.

This routine is used for bringing on the control system for a reasonably complex process on a fairly large scale. The control system comprises everything from the HMI through to hydraulic actuating devices, remote PLC based I/O systems, pneumatic control of hydraulic and utility supply systems, interfaces to process shutdown systems.

The general definition seems to be that commissioning is the work required to bring a system to the point where it can be used. This may include leak tests, continuity tests and functional tests.

Gordana Podvezanec
Croatia
Local time: 04:09
Specializes in field
Native speaker of: Native in CroatianCroatian, Native in SlovenianSlovenian
PRO pts in category: 32
Grading comment
odlicno, hvala!

Peer comments on this answer (and responses from the answerer)
agree  Larisa Djuvelek-Ruggiero
3 days10 hrs
  -> hvala
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Changes made by editors
Nov 13, 2008 - Changes made by Gordana Podvezanec:
Edited KOG entry<a href="/profile/725944">Maja Engel's</a> old entry - "pre-commission vs. commission" » "ZAVRŠNE RADNJE I PUŠTANJE U POGON"


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