FEMA 453 Design Guidance for Shelters and Safe Rooms

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Precast concrete frames and shearwalls consist of precast concrete planks, tees, or double-tees supported on precast concrete girders and precast columns (see Figure 2-34). Lateral forces are resisted by precast or cast-in-place concrete shear walls. Diaphragms consist of precast elements interconnected with welded inserts, cast-in-place closure strips, or reinforced concrete topping slabs. Structural deSign criteria Figure 2- Pc tilt-up concrete shearwalls 2-
Figure 2- Pc2 precast concrete frames and shearwalls Precast construction benefits from higher quality wall and frame components than cast-in-place structures; however, it lacks the continuity of construction present in these systems. The resistance blast loading depends, to a great extent, on the mechanical connections between the components. Designers must consider the blast loading effects when designing and detailing these connections. A shelter would best be located in a basement where the protection to blast loading would be provided by the surrounding soil. Large explosive detonations in close proximity to the building will not only destroy the superstructure, but the effects of ground shock are likely to fail the foundation walls as well; therefore, protected spaces should be located interior to the 2- Structural deSign criteria
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Risk Management Series Design Guida
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Any opinions, findings, conclusions
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This guidance focuses on safe rooms
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protect occupants until law enforce
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of best practices (based on current
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Project Advisory Panel: Ronald Bark
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1.7.1.1. Tornado.or.Short-term.Shel
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2.6.6. RM1.and.RM2.Reinforced.Mason
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4.5. Community.Shelter.Operations.P
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FIgUREs chapter 1 Figure.1-1.. Terr
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Figure.2-16.. Spray-on.elastomer.co
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chapter 4 Figure.4-1.. Preparedness
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in response to the manmade CBRE thr
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decides not to chance fate and cons
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Although operational security measu
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Table 1-2: Safe Evacuation Distance
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Figure 1-1 terrorism by event 1980
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odorless. Their effects occur mainl
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Figure 1-3 radioactive materials sm
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Table 1-3: Correlation of ISC Level
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Table 1-4: ISC CBR Levels of Protec
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m It is partially shielded by the s
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m Single-use shelters. Single-use s
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structure or a new structure to be
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m Territoriality (promotes a sense
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Figure 1- examples of internal shel
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Figure 1-9 examples of internal she
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loading depending upon the building
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model building codes all have provi
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Figure 1-10 national Weather servic
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operations and maintenance plan. De
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For tornado shelters, the most crit
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Reference Standard 6-1 Photolumines
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every building should have an emerg
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Three methods are followed for the
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partitions for areas of about 12,00
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the 2006 editions of nFPa 101, Life
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Figure 1-13 operations Zones, casua
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Figure 1-1 nrP-cis emergency decont
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Figure 1-1 example of Pentagon stag
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Figure 1-19 site and evidence colle
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2.1 OVerVieW Structural deSign crit
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affect the hazard potential of the
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2.2.1 Blast effects in low-rise Bui
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As an example, panelized constructi
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2.3 hardened cOnStructiOn 2.3.1 Str
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Protective design further requires
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Page 102 and 103: 2.4 neW cOnStructiOn The design of
Page 104 and 105: Blast-resistant detailing requires
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Page 108 and 109: spacing of 16 inches that extends i
Page 110 and 111: In order for the glazing to realize
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Page 114 and 115: to a column or a vehicle-borne expl
Page 116 and 117: without any means of attachment or
Page 118 and 119: polycarbonate glazing can be mixed
Page 120 and 121: Rigid catch bar systems were design
Page 122 and 123: stainless steel cables connected wi
Page 124 and 125: Alternatively, an unreinforced maso
Page 126 and 127: Figure 2- 9 Metal stud blast wall I
Page 128 and 129: 2.5.3 checklist for retrofitting is
Page 130 and 131: Shearwalls consist of straight or d
Page 132 and 133: Light wood frame structures do not
Page 134 and 135: eam column joints, all member stres
Page 136 and 137: Steel moment frame structures provi
Page 138 and 139: Steel frames with infill masonry wa
Page 140 and 141: esponse to 500 pounds of TNT at a s
Page 142 and 143: to provide ductile performance. The
Page 144 and 145: Unless sited in a seismic zone, con
Page 148 and 149: uilding. Locating the shelter in th
Page 150 and 151: Unreinforced load-bearing masonry b
Page 152 and 153: damage in response to 500 pounds of
Page 154 and 155: Floor slabs within an interior stai
Page 156 and 157: 3.1 oVeRVieW This chapter describes
Page 158 and 159: m Class 2. This class also includes
Page 160 and 161: may be necessary for people to occu
Page 162 and 163: 3.3 SaFe RooM CRiTeRia This section
Page 164 and 165: interior room is preferable to a ro
Page 166 and 167: m Penetrations. Measures for reduci
Page 168 and 169: Figure 3- hinged covers facilitate
Page 170 and 171: enclosure subjected to wind and buo
Page 172 and 173: Many models of these indoor air pur
Page 174 and 175: designing and building ultra-high e
Page 176 and 177: Table 3-2: Leakage per Square Foot
Page 178 and 179: 3.5 opeRaTionS anD MainTenanCe For
Page 180 and 181: m Turn on a radio or TV in the safe
Page 182 and 183: Tape, plastic, and carbon dioxide d
Page 184 and 185: m Isolation dampers. Correct damper
Page 186 and 187: 3.7 CoMMiSSioninG a CLaSS 1 CBR SaF
Page 188 and 189: have been appropriately placed to p
Page 190 and 191: m To develop an understanding of th
Page 192 and 193: CBR ThReaT pRoTeCTion Figure 3- Tas
Page 194 and 195: Task 4. Determine How Much Filtered
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Pre-heat Coil Module. This module c
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address system or the single-switch
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the Homeland security digital Libra
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the national Fire Protection associ
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From established reporting mechanis
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An Emergency Operations Center (EOC
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m Weapons of Mass Destruction-Civil
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dHs/FEma and the office for domesti
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The 48 seconds do not include the t
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Figure 4-5 High-rise buildings and
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m In the initial phase (hours and d
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designated. The following is a list
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m Coordinating shelter evacuation p
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4.5.5 notification manager The Noti
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Table 4-1: Shelter Equipment and Su
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Toilets would be needed by the occu
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4.5.8.7 Emergency Equipment Credenz
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FEma’s United states Fire adminis
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4.7.3 event safety procedures The f
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4.9 training and inFormation Employ
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Bureau of Alcohol, Tobacco, Firearm
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Federal Emergency Management Agency
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Phan, L.T., and Simiu, E. 1998. The
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Army TM 5-853-4, Security Engineeri
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Corps of Engineers Guide Specificat
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Addresses workplace vulnerability t
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State of Florida Shelter Plan, Flor
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Management (2003) http://floridadis
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UL 586, High-Efficiency, Particulat
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C CA California C&C components and
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F FBI Federal Bureau of Investigati
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J JFO Joint Field Office K kb kilob
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O O.C. on center OG outer garments
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U UBC Building Code UCRL University
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FEMA 453 Design Guidance for Shelters and Safe Rooms

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