off

English translation: three-off means three of the same kind

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
English term or phrase:3 off
Selected answer:three-off means three of the same kind
Entered by: Jack Doughty

09:45 Apr 14, 2015
English language (monolingual) [PRO]
Tech/Engineering - Petroleum Eng/Sci / General
English term or phrase: off
In the sentence:

"Offshore supervision during the installation and completion of 3 off horizontal subsea trees"

what does "off" mean?

Thank you in advance.

Kind regards,
Pedro
Pedro Coral Costa
Local time: 16:03
three-off means three of the same kind
Explanation:
One-off, two-off, three-off etc. is a way of referring to the numbers of items in lists, e.g. inventories.
Selected response from:

Jack Doughty
United Kingdom
Local time: 16:03
Grading comment
Thank you very much for your help, it was extremely useful.
4 KudoZ points were awarded for this answer



SUMMARY OF ALL EXPLANATIONS PROVIDED
4 +1three-off means three of the same kind
Jack Doughty
3not
Jean-Claude Gouin


Discussion entries: 1





  

Answers


39 mins   confidence: Answerer confidence 3/5Answerer confidence 3/5
not


Explanation:
not on the shore, but offshore ...

Jean-Claude Gouin
Canada
Local time: 11:03
Native speaker of: Native in FrenchFrench

Peer comments on this answer (and responses from the answerer)
neutral  Victoria Britten: I suspect Asker is wondering about "off horizontal". (My technical knowledge doesn't stretch to understanding what that might mean in the case of a subsea tree...)
3 mins
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1 hr   confidence: Answerer confidence 4/5Answerer confidence 4/5 peer agreement (net): +1
three-off means three of the same kind


Explanation:
One-off, two-off, three-off etc. is a way of referring to the numbers of items in lists, e.g. inventories.

Jack Doughty
United Kingdom
Local time: 16:03
Works in field
Native speaker of: English
PRO pts in category: 16
Grading comment
Thank you very much for your help, it was extremely useful.
Notes to answerer
Asker: Thank you very much for your extremely helpful input. This makes perfect sense. It seems that the term "off" is often used to indicate the quantity of items, even if the quantity is 1. I will wait for the feedback from the client before selecting the most helpful answer.

Asker: Feedback from the client: Off in the context below is the number of items in question. Thank you very much, Jack.


Peer comments on this answer (and responses from the answerer)
neutral  Victoria Britten: Could be... though the "off" would in that case be unnecessary
1 hr
  -> It seems unnecessary to me too, but I have seen it regularly used in this way.

agree  Simon Mac
3 hrs
  -> Тhank you.
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