FEMA 453 Design Guidance for Shelters and Safe Rooms

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3.7 CoMMiSSioninG a CLaSS 1 CBR SaFe RooM Commissioning applies to the Class 1 Safe Room. It involves testing, checking the configuration, and performing functional checks to ensure the safe room has been installed properly, protects as intended, and can be operated and maintained by its owner. Commissioning addresses not only the safe room and its components, but also the operations and maintenance instructions. CBR ThReaT pRoTeCTion Figure 3- a canister-type filter unit is often used for Class Safe Rooms to maximize storage life of the filters. SoURCe: BaTTelle 3-3
For a Class 1 Safe Room, the principal performance indicator is the pressure developed in the safe room by the flow of filtered air. Commissioning requires measuring the internal pressure, the supply air flow rate, and leakage at the seals of the filters. If an air conditioning and/or heating system and dampers are part of the system, it also requires verifying their proper function. The following should be addressed in commissioning a Class 1 Safe Room: 3.7.1 Measurements m Measure the flow rate of filtered air and compare with design flow rate. Airflow rate measurements are usually made by certified test-and-balance contractors. A filter unit with integral motor-blower and fixed supply-duct length may not require airflow measurements after installation. m Conduct in-place leakage testing to determine if filters are sealed properly to their mounting frames to prevent air bypassing the filters. This is necessary if the filter unit has replaceable filters. If a canister type filter unit is employed, these critical seals are factory tested, and in-place testing for bypass is not necessary. m Measure the pressure in the safe room with a calibrated gauge independent of the installed pressure gauge. m Measure the temperature of the supply air and compare it with design values for both heating and cooling modes. 3.7.2 Configuration m Visually inspect the seals applied to wall penetrations (pipes, cables, conduit) and to doors (weather-stripping and wipe seals). m For filter units with replaceable filters, determine that the filter unit has been installed with adequate clearance for changing the filters. m Verify that the pressure-sensing tubes for the pressure gauge have been installed properly, reference pressure sensors 3-3 CBR ThReaT pRoTeCTion
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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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deformed, and transfer them to the
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pressures, such that they overcome
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façade materials intact and attach
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2.4 neW cOnStructiOn The design of
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Blast-resistant detailing requires
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the slab, the slab reinforcement mu
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spacing of 16 inches that extends i
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In order for the glazing to realize
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precast panels, the spacing of the
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to a column or a vehicle-borne expl
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without any means of attachment or
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polycarbonate glazing can be mixed
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Rigid catch bar systems were design
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stainless steel cables connected wi
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Alternatively, an unreinforced maso
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Figure 2- 9 Metal stud blast wall I
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2.5.3 checklist for retrofitting is
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Shearwalls consist of straight or d
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Light wood frame structures do not
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eam column joints, all member stres
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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
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Page 152 and 153: damage in response to 500 pounds of
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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
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Page 172 and 173: Many models of these indoor air pur
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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 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
Page 196 and 197: Pre-heat Coil Module. This module c
Page 198: address system or the single-switch
Page 201 and 202: the Homeland security digital Libra
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Page 209 and 210: m Weapons of Mass Destruction-Civil
Page 211 and 212: dHs/FEma and the office for domesti
Page 213 and 214: The 48 seconds do not include the t
Page 215 and 216: Figure 4-5 High-rise buildings and
Page 217 and 218: m In the initial phase (hours and d
Page 219 and 220: designated. The following is a list
Page 221 and 222: m Coordinating shelter evacuation p
Page 223 and 224: 4.5.5 notification manager The Noti
Page 225 and 226: Table 4-1: Shelter Equipment and Su
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Page 229 and 230: 4.5.8.7 Emergency Equipment Credenz
Page 231 and 232: FEma’s United states Fire adminis
Page 233 and 234: 4.7.3 event safety procedures The f
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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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