local em fundo de saco

07:21 Jun 27, 2019
This question was closed without grading. Reason: Answer found elsewhere

Portuguese to English translations [PRO]
Tech/Engineering - Construction / Civil Engineering / Mining Safety
Portuguese term or phrase: local em fundo de saco
Nunca trabalhe em locais em fundo de saco com mais de 30m sem ventilação.

Dead end? Cul-de-sac?
Mark Robertson
Local time: 07:22


Summary of answers provided
4dead end location
Gilmar Fernandes
4enclosed work spaces
Nick Taylor
Summary of reference entries provided
see
liz askew

  

Answers


6 hrs   confidence: Answerer confidence 4/5Answerer confidence 4/5
dead end location


Explanation:
https://iate.europa.eu/entry/result/1197267/pt-en-la-mul

Gilmar Fernandes
United States
Local time: 03:22
Works in field
Native speaker of: Native in PortuguesePortuguese, Native in EnglishEnglish
PRO pts in category: 331
Notes to answerer
Asker: Vi que numa mina seria: blind header. Quê acha?

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4 days   confidence: Answerer confidence 4/5Answerer confidence 4/5
enclosed work spaces


Explanation:
enclosed work spaces

Nick Taylor
Local time: 07:22
Specializes in field
Native speaker of: Native in EnglishEnglish
PRO pts in category: 405
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Reference comments


5 mins peer agreement (net): +1
Reference: see

Reference information:
https://books.google.co.uk/books?isbn=1439855196
Lev S. Ruzer, ‎Naomi H. Harley - 2012 - ‎Technology & Engineering
Blind (cul-de-sac) mine shafts were ventilated by ventilators (types VAM-450, BM-200). ... turn off ventilation during the shift and mine working takes place without air ... In addition, a cross section of such sites is usually less than 5 m2, making it ...


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Note added at 7 mins (2019-06-27 07:28:49 GMT)
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https://web.mst.edu/~tien/218/218-VentHistory.pdf
by MJ McPherson - ‎Cited by 2 - ‎Related articles
served each major section of the mine and there is evidence that divided shafts were ... ventilation and providing illumination without the accompanying danger of igniting methane gas. .... pass air through ducts to ventilate blind headings.
[PDF]Engineering Factors in the Ventilation of Metal Mines - CDC
https://www.cdc.gov/niosh/mining/UserFiles/works/pdfs/bul385...
approximate method of traversing air-measurement sections of mine airways; B, diagram ..... to present the material in as nontechnical a form as is possible without sacrificing ...... termed "blind" or "dead -end" openings, although in practice the.

liz askew
United Kingdom
Native speaker of: Native in EnglishEnglish
PRO pts in category: 42

Peer comments on this reference comment (and responses from the reference poster)
agree  Francisco Chagas
3 hrs
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