Herse d'ancrage simple (HAS)

English translation: single cross-arm

GLOSSARY ENTRY (DERIVED FROM QUESTION BELOW)
French term or phrase:herse d'ancrage simple (HAS)
English translation:single cross-arm
Entered by: Tony M

03:02 Jul 30, 2017
French to English translations [PRO]
Tech/Engineering - Energy / Power Generation / Construction of MV lines for electricity supply
French term or phrase: Herse d'ancrage simple (HAS)
This appears in a BOQ, with no definition of any sort. The document was generated in Africa.

"Herse d'ancrage simple (HAS) ###, # kV, y compris tous les accessoires de d'assemblage et de fixation"

Right below this item, we find "Herse d'ancrage double (HAD).

ancrage simple and ancrage double can be translated as single and double anchoring. I'm not too sure what the herse can be here. Gantry? Frame?
Nivetha Velupur
Canada
Local time: 05:50
single cross-arm
Explanation:
A quick image search confirms, as I suspected, that this is referring to part of a pylon.
I have found it more difficult to find what these are called in EN, but a couple of sites I found refer to them as crossarm or cross-arm; one of these comes from HydroQuébec, which is usually pretty reliable for terminology. However, they also refer to the centre portion as a 'beam', and only the protruding 'tips' as the actual cross-arms; but the illustration is of a different type of pylon (all metal), whereas these 'herse' seem to be particularly used in relation to wooden pylons of a completely different design, where there is not really any central 'beam' part.

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Note added at 7 heures (2017-07-30 10:21:09 GMT)
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Asker's added context serves to confirm my instinctive hunch, though sadly doesn't help us to confirm the actual term in EN.

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Note added at 12 heures (2017-07-30 15:35:49 GMT)
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Here is a Google image search with very many images of what a 'herse d'ancrage' is:

https://www.google.fr/search?q="herse d'ancrage"&newwindow=1...

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Note added at 12 heures (2017-07-30 15:38:08 GMT)
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Here is one image that refers to it as a 'suspension arm' — but note this is only for one type of pylon, and I think refers only to the 'sticking-out' part on each side in this particular design (this is what HydroQuébec refer to as 'crossarm'):

http://www.epemag.net/images/electricity/pylon-insulators.gi...

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Note added at 12 heures (2017-07-30 15:39:56 GMT)
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This image in NL interestingly refers to them as 'traverse', which is almost certainly taken from the EN name!

http://www.hoogspanningsnet.com/wp-content/uploads/mast-anat...

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Note added at 12 heures (2017-07-30 15:42:52 GMT)
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This is the original hydorQuébec image that led me to 'crossarm':
http://www.hydroquebec.com/learning/transport/images/composi...

I have a great deal of faith in their terminology, which is usually exemplary.

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:45:56 GMT)
--------------------------------------------------

And here is a Google image search showing pictures of 'cross(-)arms', including some diagrams from other sources that seem to corroborate the term.:
https://www.google.fr/search?q="herse d'ancrage"&newwindow=1...
Selected response from:

Tony M
France
Local time: 11:50
Grading comment
Thank you very much!
4 KudoZ points were awarded for this answer



Summary of answers provided
3single cross-arm
Tony M


Discussion entries: 4





  

Answers


4 hrs   confidence: Answerer confidence 3/5Answerer confidence 3/5
herse d'ancrage simple (HAS)
single cross-arm


Explanation:
A quick image search confirms, as I suspected, that this is referring to part of a pylon.
I have found it more difficult to find what these are called in EN, but a couple of sites I found refer to them as crossarm or cross-arm; one of these comes from HydroQuébec, which is usually pretty reliable for terminology. However, they also refer to the centre portion as a 'beam', and only the protruding 'tips' as the actual cross-arms; but the illustration is of a different type of pylon (all metal), whereas these 'herse' seem to be particularly used in relation to wooden pylons of a completely different design, where there is not really any central 'beam' part.

--------------------------------------------------
Note added at 7 heures (2017-07-30 10:21:09 GMT)
--------------------------------------------------

Asker's added context serves to confirm my instinctive hunch, though sadly doesn't help us to confirm the actual term in EN.

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:35:49 GMT)
--------------------------------------------------

Here is a Google image search with very many images of what a 'herse d'ancrage' is:

https://www.google.fr/search?q="herse d'ancrage"&newwindow=1...

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:38:08 GMT)
--------------------------------------------------

Here is one image that refers to it as a 'suspension arm' — but note this is only for one type of pylon, and I think refers only to the 'sticking-out' part on each side in this particular design (this is what HydroQuébec refer to as 'crossarm'):

http://www.epemag.net/images/electricity/pylon-insulators.gi...

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:39:56 GMT)
--------------------------------------------------

This image in NL interestingly refers to them as 'traverse', which is almost certainly taken from the EN name!

http://www.hoogspanningsnet.com/wp-content/uploads/mast-anat...

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:42:52 GMT)
--------------------------------------------------

This is the original hydorQuébec image that led me to 'crossarm':
http://www.hydroquebec.com/learning/transport/images/composi...

I have a great deal of faith in their terminology, which is usually exemplary.

--------------------------------------------------
Note added at 12 heures (2017-07-30 15:45:56 GMT)
--------------------------------------------------

And here is a Google image search showing pictures of 'cross(-)arms', including some diagrams from other sources that seem to corroborate the term.:
https://www.google.fr/search?q="herse d'ancrage"&newwindow=1...

Tony M
France
Local time: 11:50
Works in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 338
Grading comment
Thank you very much!

Peer comments on this answer (and responses from the answerer)
neutral  philgoddard: Could be, but I think you need references. Google Images gives about three pictures of what could be described as cross arms, and "simple" could mean that the arm only sticks out on one side to carry one cable or set of cables, so the pylon is asymmetric.
7 hrs
  -> In FR, my Google images gave masses more; and however the arms are arranged, 'inslge / double' remain applicable. Asymmetric pylons are unusual, for obvious reasons of mechanical forces. I think you are seeking to complicate something that is simple.
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