A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Testing the Effectiveness of Shelter-in-Place for Alternative Release Scenarios
Presentation ; The recent implementation of Risk Management Plans by many facilities has heightened public awareness of the need for protection from accidental chemical releases. Shelter- in-place is the protective measure of choice for most chemical releases. There are case studies in the literature that anecdotally document successful shelter-in-place experiences. This paper summarizes work done on several projects to perform a quantitative predictive evaluation of shelter-in-place for a specific release scenario and a specific shelter. The data in this paper involves air infiltration measurements to potential shelters. Some of these air infiltration tests were done using the blower-door test, which is a mechanical measure of potential air infiltration. Other tests were done using tracer studies. The usefulness of each type of measurement to shelter-in-place evaluation will be discussed. Dispersion modeling results can be combined with the air infiltration results to predict indoor concentrations as a function of time. This can be done within some air dispersion models, or it can be done in a spreadsheet using the results from any dispersion model. These approaches will be compared in the paper. Detailed data on indoor concentrations vs. time can be used to assign a protection rating to the shelter for that particular release scenario. Ratings are based on the peak indoor concentration (as compared to the ERPG-2) and the duration of concentrations of concern. A scaling evaluation can be done in the spreadsheet tool to get some idea of how much larger (or smaller) a release would earn an adequate protection rating. The paper will draw conclusions about: • The usefulness of such specific shelter-in-place evaluations; • The recommended approach for air infiltration testing; • The preferred approach for indoor air concentration estimates; and • Lessons to be learned about shelter-in-place in general.
Testing the Effectiveness of Shelter-in-Place for Alternative Release Scenarios
Presentation ; The recent implementation of Risk Management Plans by many facilities has heightened public awareness of the need for protection from accidental chemical releases. Shelter- in-place is the protective measure of choice for most chemical releases. There are case studies in the literature that anecdotally document successful shelter-in-place experiences. This paper summarizes work done on several projects to perform a quantitative predictive evaluation of shelter-in-place for a specific release scenario and a specific shelter. The data in this paper involves air infiltration measurements to potential shelters. Some of these air infiltration tests were done using the blower-door test, which is a mechanical measure of potential air infiltration. Other tests were done using tracer studies. The usefulness of each type of measurement to shelter-in-place evaluation will be discussed. Dispersion modeling results can be combined with the air infiltration results to predict indoor concentrations as a function of time. This can be done within some air dispersion models, or it can be done in a spreadsheet using the results from any dispersion model. These approaches will be compared in the paper. Detailed data on indoor concentrations vs. time can be used to assign a protection rating to the shelter for that particular release scenario. Ratings are based on the peak indoor concentration (as compared to the ERPG-2) and the duration of concentrations of concern. A scaling evaluation can be done in the spreadsheet tool to get some idea of how much larger (or smaller) a release would earn an adequate protection rating. The paper will draw conclusions about: • The usefulness of such specific shelter-in-place evaluations; • The recommended approach for air infiltration testing; • The preferred approach for indoor air concentration estimates; and • Lessons to be learned about shelter-in-place in general.
Testing the Effectiveness of Shelter-in-Place for Alternative Release Scenarios
Harris, Graham E. (author) / Scott, D. Ray (author) / URS Radian / Alcoa World Alumnia Atlantic
2000-01-01
Miscellaneous
Electronic Resource
English
DDC:
690
Effectiveness of urban shelter-in-place. III: Commercial districts
| Springer Verlag | 2008
Air treatment technologies for shelter-in-place scenarios in response to WUI fires
| BASE | 2020
The effectiveness of stand alone air cleaners for shelter-in-place
| Online Contents | 2005