47.5 MB - The Whole Building Design Guide

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At the hospital shown in Figure 3-55, the EIFS was applied over aconcrete wall. <strong>The</strong> MEPS debonded from the concrete. In general,a concrete substrate prevents wind and water from entering abuilding, but if the EIFS debonds from the concrete, EIFS debriscan break unprotected glazing.Figure 3-53:Typical EIFS assembliesMAKING CRITICAL FACILITIES SAFE FROM High Wind3-65
Figure 3-54:EIFS blow-off at buildingcorner. In places, metalfascia was also blown in.Tornado (Oklahoma, 1999)Figure 3-55:EIFS blown off a cast-inplaceconcrete wall. Notethe damaged rooftopductwork. Hurricane Ivan(Florida, 2004)Wind-borne EIFS debris can be devastating to unprotectedglazing. At the hospital shown in Figure 3-56, the hospital’s originalconcrete wall panels had been furred with metal hat channelsand covered with EIFS. In a large corner area, the EIFS andgypsum board substrate blew off the hat channels and broke alarge number of windows in the multi-story connecting walkway3-66 MAKING CRITICAL FACILITIES SAFE FROM High Wind
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Risk Management SeriesDesign Guidef
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Any opinions, findings, conclusions
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ational during and after a major di
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TARGET AUDIENCEThis manual describe
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Appendix A contains a list of acron
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Forster, FEMA; David Godschalk, Uni
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Chapter 2- Making Critical faciliti
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2.4.6 Utility Installations .......
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4.4.8 Utility Plumbing Systems.....
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avoid them when feasible. In cases
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It then crossed Florida into the Gu
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Figure 1-2: Mississippi coast SLOSH
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isks for the facility at the propos
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m Appoint a building program manage
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-Figure 1-3: Process flow chart for
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hazards, usually refers to a buildi
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occurrence during a specified time
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ut is moderate overall. Some hazard
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words, the acceptable performance o
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prior to the onset of this level of
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1.4 REFERENCESAmerican Society of C
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MAKING CRITICAL FACILITIES SAFE FRO
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m Land subsidence, which increases
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valley or the presence of obstructi
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2.1.1.1 Probability of Occurrence o
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year, a very low probability flood
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m FIRMs and Flood Insurance Studies
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Figure 2-3: Riverine flood hazard z
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have been prepared by the U.S. Army
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ABFEs represent the best estimate o
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The following characteristics that
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Figure 2-7 shows the general relati
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2.1.2.5 Hydrodynamic LoadsWater flo
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stillwater depth) and that waves pr
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Debris velocity: The velocity of th
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The most convincing evidence of the
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2.1.3.2 Summary of the NFIP Minimum
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complished through a State permit,
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Developed through a consensus proce
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2.2 CRITICAL FACILITIES EXPOSED TOF
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listed includes health hazards, los
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overview on performance-based desig
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Figure 2-12:Katrina’s storm surge
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Buoyancy and uplift: If below-grade
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acceptable, depending on the type o
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Metal components: Metal structural
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Emergency power generators: Generat
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Office records and police files: Wh
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2.3 REQUIREMENTS AND BESTPRACTICES
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terior drainage (on the land side);
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Slab-on-grade foundation on structu
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and debris and ice impact loads. Fl
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are capable of withstanding direct
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pressure, hydrodynamic loads, wave
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may significantly reduce the certai
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2.3.2.1 Elevation ConsiderationsThe
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Figure 2-30:Flood hazard zones inco
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path when designing and specifying
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ular attention to underfloor utilit
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2.3.5.4 Storage Tank InstallationsA
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2.4.2 SITE MODIFICATIONSA plan to m
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Mobilized floodwall: This category
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methods used to move other types of
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Even if a facility is unlikely to s
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Wastewater system components become
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Emergency barriers are measures of
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2.5 CHECKLIST FOR BUILDINGVULNERABI
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Table 2-3: Checklist for Building V
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FEMA, Protecting Building Utilities
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MAKING CRITICAL FACILITIES SAFE FRO
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flow is typically 6,000 to 12,000 f
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Tornado: This is a violently rotati
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Figure 3-3: Design wind speeds for
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Exposure: The characteristics of th
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Internal pressure (building pressur
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Figure 3-7:Schematic of internalpre
Page 162 and 163: Figure 3-8: Relative roof uplift pr
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Page 170 and 171: 3.2 CRITICAL FACILITIES EXPOSED TOH
Page 172 and 173: Wall coverings, soffits, and large
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Page 176 and 177: 3.2.2 Evaluating Critical Facilitie
Page 178 and 179: Step 2: Perform a field investigati
Page 180 and 181: 3.3.1.1 SiteWhen selecting land for
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Page 184 and 185: As part of the detailed design effo
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Page 188 and 189: a window submittal should show that
Page 190 and 191: and limited uplift resistance of de
Page 192 and 193: Figure 3-23:View looking down at th
Page 194 and 195: m For buildings that have mechanica
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Page 198 and 199: Figure 3-31:Door sill pan flashing
Page 200 and 201: Adjustable jamb/head weatherstrippi
Page 202 and 203: E 2112 provides guidance on the des
Page 204 and 205: Soffits: Depending on the wind dire
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Page 208 and 209: Figure 3-47:These four ties werenev
Page 210 and 211: m Install ties as the brick is laid
Page 214 and 215: etween the hospital and the medical
Page 216 and 217: metal panels were attached with con
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Page 220 and 221: If the roof system is fully adhered
Page 222 and 223: Figure 3-60:View of the underside o
Page 224 and 225: ities. For FMG-insured facilities,
Page 226 and 227: Figure 3-65:The original modifiedbi
Page 228 and 229: Figure 3-66:If mechanically attache
Page 230 and 231: Loads and Attachment Methods 9Infor
Page 232 and 233: Fan cowling attachment: Fans are fr
Page 234 and 235: Condenser attachment: In lieu of pl
Page 236 and 237: Boiler and exhaust stack attachment
Page 238 and 239: Figure 3-78:Collapsed hospital ligh
Page 240 and 241: Figure 3-80:The antenna tower atthi
Page 242 and 243: Table 3-3: Risk Reduction Design Me
Page 244 and 245: Table 3-3: Risk Reduction Design Me
Page 246 and 247: Chapter 4 for information on the pe
Page 248 and 249: Figure 3-83:Open walkways donot pro
Page 250 and 251: ASTM E 1996 specifies five missile
Page 252 and 253: ASCE 7 refers to ASTM E 1996 for mi
Page 254 and 255: For interior non-load-bearing mason
Page 256 and 257: m For structural metal roofs, it is
Page 258 and 259: Mechanically attached and air-press
Page 260 and 261: Figure 3-92:To avoid walkway padblo
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3.4.4.2 Mechanical PenthousesBy pla
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To enhance the wind performance of
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Mechanically attached single-ply me
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to power generation stations and by
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occupants can have bottled water pr
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Table 3-4: Recommendations for Desi
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Strong and violent tornadoes can ge
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For critical facilities located in
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Retrofitting a shelter space inside
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funds are not available for strengt
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Figure 3-106:The school’s built-u
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3.6.2 Building EnvelopeThe followin
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Shutters are typically a more econo
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semblies with laminated glass assem
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Figure 3-116:The edge nailer on top
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Figure 3-118:The antenna at thishos
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3.7 Checklist for BuildingVulnerabi
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3.8 References and Sources ofAdditi
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American Society for Testing and Ma
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FEMA, Attachment of Brick Veneer in
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accompanied with suggestions on pos
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Hurricane Katrina emphasized the fa
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The water supply was interrupted an
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Hancock Medical Center in Bay St. L
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Figure 4-4:Penthouse at the WestJef
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Figure 4-6:Repair of EIFS wallcover
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The primary cause of window breakag
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West Jefferson Medical Center lost
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4.2.8 Mechanical and ElectricalSyst
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covering the fill cap and all vent
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emergency communications frequently
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mary and West Jefferson Medical Cen
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4.3 EDUCATIONAL FACILITIES4.3.1 Bac
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4.3.2 Effects of FloodingThe most d
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Figure 4-17:Broken windows atD’Ib
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St. Stanislaus High School in Bay S
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4.3.6 Structural SystemsMost of the
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The St. Stanislaus High School camp
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Figure 4-27:Metal roof covering pee
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ment, especially HVAC systems, was
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Figure 4-30:Interior damage at Char
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m Doors should be designed to meet
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different, most of them require and
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4.4.3 Effects of High WindsThe high
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Figure 4-33:Jackson County EOCFigur
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them experienced significant proble
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Figure 4-37:Back Bay Fire Company#3
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Figure 4-39:Gulfport Fire Station #
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Third District Fire Station in New
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Figure 4-44:Roof damage at HancockC
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underground tank for toilets and wa
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Figure 4-47:Generator mounted atgra
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Figure 4-49:Broken communicationsma
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erate without adequate emergency po
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FISFMAFMGFMRHMGPIBCICCICULPSMEPSMOB
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Building, enclosed. A building that
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Floodway. The channel and that port
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OOpenings. Apertures or holes in th
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FEMA Mitigation ProgramscFederal fu
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Table 1: Side-by-Side of FEMA Progr
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todial care facilities (including t
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aged windows with impact-resistant
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tions, and wastewater treatment pla
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