Apendice A
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The foll owing comments should be appl ied to the Tabl es cont ai ned in Appen- dix A. NA = Not applicable. No measurable distance is appropriate. NM = No minimum spacing requirement has been established for rea- sons of fire protection. Use engineering judgment for spacing and provide access for fire fighting and maintenance. S = Spacing is based on security needs and not on fire, explosion, or toxic concerns. CAUTION: 1. Table s A through E include typical spacing values. Explanatory text is included in Chapters 5 and 6. 2. The typical spacing distances cited in T ables A through E are based on potential fire consequences (explosions and toxic concerns may require greater spacing). Variations in spacing may be warranted based on site-specific hazards and risks. Distances may be reduced or increased based on risk analysis or when additional layers of pro- tection are implemente d (such as: fire protect ion or emergency shut- down systems). 3. These tables are not applicable to e nclosed process units. Miscellaneous typical spacing values are included in Table E. NOTES: 1. Distances are measured horiz ontally . 2. Typical horizontal distances between building s, process equipment, and property lines are shown and apply to the cl osest edge to closest edge dimensions. 3. Where unusual conditions require closer spacing, appropriate risk reduction measures should be considered. 139 Appendix A. Typical Spacing Tables
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Transcript of Apendice A
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The following comments should be applied to the Tables contained in Appen-dix A.
NA = Not applicable. No measurable distance is appropriate.
NM = No minimum spacing requirement has been established for rea-sons of fire protection. Use engineering judgment for spacing andprovide access for fire fighting and maintenance.
S = Spacing is based on security needs and not on fire, explosion, ortoxic concerns.
CAUTION:1. Tables A through E include typical spacing values. Explanatory text
is included in Chapters 5 and 6.
2. The typical spacing distances cited in Tables A through E are basedon potential fire consequences (explosions and toxic concerns mayrequire greater spacing). Variations in spacing may be warrantedbased on site-specific hazards and risks. Distances may be reducedor increased based on risk analysis or when additional layers of pro-tection are implemented (such as: fire protection or emergency shut-down systems).
3. These tables are not applicable to enclosed process units.
Miscellaneous typical spacing values are included in Table E.
NOTES:1. Distances are measured horizontally.
2. Typical horizontal distances between buildings, process equipment,and property lines are shown and apply to the closest edge to closestedge dimensions.
3. Where unusual conditions require closer spacing, appropriate riskreduction measures should be considered.
139
Appendix A. Typical Spacing Tables
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Appendix A
. Typical Spacing Tables143
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144G
uidelines for Facility Siting and Layout
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Appendix A. Typical Spacing Tables 145
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146 Guidelines for Facility Siting and Layout
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Front MatterTable of ContentsAppendix A: Typical Spacing TablesAppendix B: Site Selection Data Requirement ListReferencesGlossaryIndex
