| Document ID (ISN) | 34458 |
| CIS number |
80-1922 |
| ISSN - Serial title |
Tiefbau-Berufsgenossenschaft |
| Year |
1980 |
| Convention or series no. |
|
| Author(s) |
Roth H., Asmuss M. |
| Title |
Safety in sewers |
| Original title |
Sicherheit in Abwasserkanälen [in German] |
| Bibliographic information |
Jan. 1980, Vol.92, No.1, p.28-32. Illus. |
| Abstract |
Report on an investigation of a serious accident due to a sudden emission of hydrogen sulfide (4 dead, 5 badly poisoned). Preventive measures (ventilation before entering sewers, air monitoring) prescribed by West German regulations were found to be inadequate in the case reported, where large quantities (350-400ppm) of H2S contained in organic sediment were suddenly released. Description of preventive measures, and mechanisms of H2S emission. A safety system, developed in the light of this recent experience, supplements the existing regulations. This system involves the use of a powerful fan (air flow 15,000m3/h) at all times during work in sewers, as well as continuous air monitoring. A specific rescue system has also been set up. Legal aspects of the accident in question. |
| Descriptors (primary) |
acute poisoning; work in sewers; hydrogen sulfide |
| Descriptors (secondary) |
analysis of accident causes; Germany (Federal Republic of); legislation; mechanical ventilation; respirators; accident descriptions |
| Document type |
D - Periodical articles |
| Subject(s) |
Toxic and dangerous substances
|
| Broad subject area(s) |
|
| Browse category(ies) |
Confined spaces
Inorganic sulfur compounds
Inorganic substances
|
