Appendix L - Federal Emergency Management Agency

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Appendix LL.8.47 Table: L_Profil_Bkwtr_El [October 2011]The L_ Profil_Backwtr_El table is required when the stream profile in the FIS text includes backwaterelevation, if and when the data can be exported from RASPLOT in Appendix L format. This table storesthe backwater elevations for each flood frequency by stream.The L_ Profil_Bkwtr_El table contains the following elements.DFIRM_ID R Flood Risk Project Identifier. For a single-jurisdiction flood risk project,the value is composed of the two-digit State FIPS code and the four-digitFEMA CID code (e.g., 480001). For a countywide flood risk project, thevalue is composed of the two-digit State FIPS code, the three-digit countyFIPS code, and the letter “C” (e.g., 48107C). Within each FIRM Database,the DFIRM_ID value will be identical.VERSION_ID R Version Identifier. Identifies the product version and relates the feature tostandards according to how it was created.PROF_BW_ID R Primary key for table lookup. Assigned by table creator.WTR_NM R Surface Water Feature Name. This is the name of the stream or waterbody.EVENT_TYP R Flood Event. Identifies the annual percent chance of exceedance for aflooding event such as 0.2-, 1-, 2-, 4-, and 10-percent. Acceptable valuesfor this field are listed in the D_Event table.BKWTR_WSEL R Backwater Water-Surface Elevation. This is the backwater water-surfaceelevation for the flood event specified in the EVENT field. This value isused in the FDTs and profiles.LEN_UNIT R Width and Elevation Units. This unit indicates the measurement systemused for the water-surface elevation. Normally, this would be feet.Acceptable values for this field are listed in the D_Length_Units table.V_DATUM R Vertical Datum. The vertical datum indicates the reference surface fromwhich the flood elevations are measured. Normally, this would beNAVD88. Acceptable values for this field are listed in the D_V_Datumtable.Table: L_Profil_Bkwtr_ElField R/A/O TypeLength/PrecisionScale(SHPOnly)Joined Spatial /Lookup Tables orDomainsDFIRM_ID R Text 6 N/AVERSION_ID R Text 11 N/APROF_BW_ID R Text 25 N/AWTR_NM R Text 100 N/AEVENT_TYP R Text 25 D_EVENTBKWTR_WSEL A Double Default N/ALEN_UNIT R Text 11 D_LENGTH_UNITSV_DATUM R Text 17 D_V_DATUMGuidelines and Standards forFlood Risk Analysis and Mapping Page L-130 Section L.8 Requirements for FIRM Databases
Appendix LL.8.48 Table: L_Profil_Label [October 2011]The L_ Profil_Label table is required when the stream profile in the FIS text includes user-definedlandmark labels that are not associated with specific cross sections or structures, if and when the data canbe exported from RASPLOT in Appendix L format. This table stores the labels needed for FIS profiles bystream.The L_ Profil_Label table contains the following elements.DFIRM_ID R Flood Risk Project Identifier. For a single-jurisdiction flood risk project,the value is composed of the two-digit State FIPS code and the four-digitFEMA CID code (e.g., 480001). For a countywide flood risk project, thevalue is composed of the two-digit State FIPS code, the three-digit countyFIPS code, and the letter “C” (e.g., 48107C). Within each FIRM Database,the DFIRM_ID value will be identical.VERSION_ID R Version Identifier. Identifies the product version and relates the feature tostandards according to how it was created.PROFLBL_ID R Primary key for table lookup. Assigned by table creator.WTR_NM R Surface Water Feature Name. This is the name of the stream or waterbody.STREAM_STN R Stream Station. This is the measurement along the profile baseline to thecross section location. This value is used in the FDTs and profiles.ELEV R Elevation. This is the elevation at which the text will be labeled on theprofile.DESCR R Description. This is the user-defined description of the landmark that is tobe placed in the FIS profile at this location.ORIENT R Orientation of Text. This is the orientation of the text. Acceptable valuesfor this field are listed in the D_Prof_Lbl_Orient table.ADJUSTED R Adjustment of Text. This provides additional information about theplacement of the text. Acceptable values are LEFT, RIGHT, or CENTERfor vertical text and TOP, MIDDLE, or BOTTOM for horizontal text.Acceptable values for this field are listed in the D_Prof_Lbl_Adjust table.UNDERLINE R Is Text Underlined? Acceptable values for this field can be found in theD_TrueFalse domain table.LEN_UNIT R Width and Elevation Units. This unit indicates the measurement systemused for the stream stationing and water-surface elevation. Normally, thiswould be feet. Acceptable values for this field are listed in theD_Length_Units table.V_DATUM R Vertical Datum. The vertical datum indicates the reference surface fromwhich the elevations are measured. Normally, this would be NAVD88.Acceptable values for this field are listed in the D_V_Datum table.Guidelines and Standards forFlood Risk Analysis and Mapping Page L-131 Section L.8 Requirements for FIRM Databases
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Guidelines and Standards for FloodR
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Appendix LDate Affected Section(s)
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Appendix LTable of ContentsL.1. Flo
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Appendix LL.8.17 Table: S_Levee [Oc
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Appendix LAppendix LDigital Data an
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Appendix LFIRM Table NameTableTypeT
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Appendix LTable L-2. Mapping Partne
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Appendix LFIR M Table NameAcquireB
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Appendix LAppendix are identified i
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Appendix Lfiles for lookup tables.
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Appendix LWhen possible, tables req
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Appendix L• Area spatial features
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Appendix LTopologyFilename(*_TOPOLO
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Appendix LIn the FIRM Database, flo
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Appendix Lfield length indicates th
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Appendix LL.4.8 Deliverables [Octob
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Appendix LL.5. Database Table Struc
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Appendix LL.7. Metadata Example for
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Appendix LFAN_VEL_MX A Alluvial Fan
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Appendix LTable: S_Base_Index [Octo
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Appendix Lboundary. Each BFE is rep
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Appendix LTable: S_CBRS [October 20
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Appendix LTIME_UNIT A Recording Int
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Appendix LL.8.6 Table: S_Cst_Tsct_L
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Appendix LCON_PD A Controlling Wave
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Appendix LTable: S_Cst_Tsct_Ln [Oct
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Appendix LL.8.7 Table: S_Datum_Conv
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Appendix LL.8.8 Table: S_FIRM_Pan [
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Appendix LL.8.9 Table: S_Fld_Haz_Ar
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Appendix LTable: S_Fld_Haz_Ar [Octo
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Appendix LL.8.11 Table: S_Gage [Oct
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Appendix LL.8.12 Table: S_Gen_Struc
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Appendix LL.8.13 Table: S_HWM [Octo
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Appendix LL.8.14 Table: S_Hydro_Rea
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Appendix LL.8.16 Table: S_Label_Pt
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Appendix LL.8.17 Table: S_Levee [Oc
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Appendix LTable: S_Levee [October 2
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Appendix LL.8.19 Table: S_LOMR [Oct
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Appendix LL.8.20 Table: S_Nodes [Oc
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Appendix LL.8.21 Table: S_PFD_Ln [O
Page 95 and 96: Appendix LTable: S_PLSS_Ar [October
Page 97 and 98: Appendix LST_FIPS R State FIPS. Thi
Page 99 and 100: Appendix LL.8.24 Table: S_Profil_Ba
Page 101 and 102: Appendix LFLD_PROB3 A Description o
Page 103 and 104: Appendix LL.8.26 Table: S_Stn_Start
Page 105 and 106: Appendix LL.8.27 Table: S_Subbasins
Page 107 and 108: Appendix LL.8.28 Table: S_Submittal
Page 109 and 110: Appendix LField R/A TypeTable: S_Su
Page 111 and 112: Appendix LTable: S_Trnsport_Ln [Oct
Page 113 and 114: Appendix LField R/A TypeTable: S_Ts
Page 115 and 116: Appendix LTable: S_Wtr_Ar [October
Page 117 and 118: Appendix LTable: S_Wtr_Ln [October
Page 119 and 120: Appendix LXS_LTR A Cross Section Le
Page 121 and 122: Appendix LL.8.34 Table: S_Zone_AR [
Page 123 and 124: Appendix LH_DATUM R Horizontal Datu
Page 125 and 126: Appendix LField R/A TypeTable: Stud
Page 127 and 128: Appendix LIN_ID_DAT R Initial Ident
Page 129 and 130: Appendix LL.8.37 Table: L_Comm_Revi
Page 131 and 132: Appendix LSTRM_PRM A Storm Paramete
Page 133 and 134: Appendix LTable: L_Cst_Model [Octob
Page 135 and 136: Appendix LField R/A TypeTable: L_Cs
Page 137 and 138: Appendix LL.8.41 Table: L_ManningsN
Page 139 and 140: Appendix LL.8.43 Table: L_MT2_LOMR
Page 141 and 142: Appendix LL.8.44 Table: L_Mtg_POC [
Page 143 and 144: Appendix LL.8.45 Table: L_Pan_Revis
Page 145: Appendix LL.8.46 Table: L_Pol_FHBM
Page 149 and 150: Appendix LL.8.49 Table: L_Source_Ci
Page 151 and 152: Appendix LL.8.50 Table: L_Summary_D
Page 153 and 154: Appendix LL.8.51 Table: L_Summary_E
Page 155 and 156: Appendix LL.8.52 Table: L_XS_Elev [
Page 157 and 158: Appendix LWSEL_FLDWY A Base Flood W
Page 159 and 160: Appendix LField R/A TypeTable: L_XS
Page 161 and 162: Appendix LV_DATUM R Vertical Datum.
Page 163: Appendix LL.10. Domain Tables [Octo
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Appendix L - Federal Emergency Management Agency

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