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HomeMy WebLinkAbout08 BSF Floodplain DataSD SD SD SDWWWWWWWW WWWWWWWWSSSSSSSSSSSSSSSSSW WSBTBTBTOHPOHPWBTBTBTBTBTBTBT BT BTBT BT BT BT BT BTBPBPBPBPBPW W W W W S S S S 4736.4 4733.6 F 4734.00 4735.00 4736.00 4734.50 4735.50 47334734 473247384738 4738 4735 4740 473 5 47364735473747364737 4738 473547364737 4739 4734 4735473647374738473447394738 VERIFY SCALE! THESE PRINTS MAY BE REDUCED. LINE BELOW MEASURES ONE INCH ON ORIGINAL DRAWING. MODIFY SCALE ACCORDINGLY! 2025COPYRIGHT © MORRISON-MAIERLE, SHEET NUMBER PROJECT NUMBER DRAWING NUMBER DATEDESCRIPTIONNO.BY N:\10594\002\ACAD\EXHIBITS\10594.002-FLOODPLAIN EXHIBITS.DWGREVISIONS DRAWN BY: DSGN. BY: APPR. BY: DATE: Q.C. REVIEW DATE: BY: 2880 Technology Blvd West Bozeman, MT 59718 406.587.0721 www.m-m.net engineers surveyors planners scientists MorrisonMaierle PLOTTED BY:MASON TUTTLE ON Jun/24/2025 BSF HEADQUARTERS BOZEMAN MONTANA FLOODPLAIN EXHIBIT 10594.002 FP-1 MET 1 C.O.B. COMMENTS 6/24/25MET 20 4010200 SCALE IN FEET   EXISTING PROPERTY BOUNDARY (TYP) BSF HEADQUARTERS BRIDGER SKI FOUNDATION 1606 GOLD AVENUE BOZEMAN, MONTANA NOTES: 1.ELEVATION DATUM IS NAVD88. 2.THE 100-YEAR BASE FLOOD ELEVATION CROSS SECTIONS ARE FROM THE MOST RECENT FEMA MAPPING FOR BOZEMAN CREEK AND ARE GEOREFERENCED FOR USE IN THIS AUTOCAD CIVIL3D SURFACE MODEL. 3.100-YEAR FLOODPLAIN CONTOURS SHOWN ARE INTERPOLATED USING AUTOCAD CIVIL3D SURFACE MODELING. EXISTING GRADE CONTOURS (TYP) DELINEATED 100-YEAR BASE FLOOD EXTENTS INTERSECTING WITH NATURAL GROUND (TYP) 4820 LEGEND EXISTING MAJOR CONTOUR EXISTING MINOR CONTOUR 2023 FLOODPLAIN MAJOR CONTOUR 2023 FLOODPLAIN MINOR CONTOUR 4081.00 4081.50 100-YEAR FLOODPLAIN SURFACE CONTOUR (TYP) SE C T I O N   F 47 3 3 . 6 ' INT E R M E D I A T E   S E C T I O N   ( F - G ) 473 6 . 4 ' EXISTING BUILDING FF ELEV = 4738.95 4821GOLD AVENUEBOZEMAN CREEKGEOREFERENCED BOUNDARY OF THE FEMA REGULATED FLOOD HAZARD AREA AND FLOODWAY (TYP) National Flood Hazard Layer FIRMette 0 500 1,000 1,500 2,000250 Feet Ü SEE FIS REPORT FOR DETAILED LEGEND AND INDEX MAP FOR FIRM PANEL LAYOUT SPECIAL FLOODHAZARD AREAS Without Base Flood Elevation (BFE)Zone A, V, A99With BFE or Depth Zone AE, AO, AH, VE, AR Regulatory Floodway 0.2% Annual Chance Flood Hazard, Areasof 1% annual chance flood with averagedepth less than one foot or with drainageareas of less than one square mile Zone X Future Conditions 1% Annual Chance Flood Hazard Zone X Area with Reduced Flood Risk due to Levee. See Notes.Zone X Area with Flood Risk due to LeveeZone D NO SCREEN Area of Minimal Flood Hazard Zone X Area of Undetermined Flood Hazard Zone D Channel, Culvert, or Storm Sewer Levee, Dike, or Floodwall Cross Sections with 1% Annual Chance 17.5 Water Surface Elevation Coastal Transect Coastal Transect Baseline Profile Baseline Hydrographic Feature Base Flood Elevation Line (BFE) Effective LOMRs Limit of Study Jurisdiction Boundary Digital Data Available No Digital Data Available Unmapped This map complies with FEMA's standards for the use of digital flood maps if it is not void as described below.The basemap shown complies with FEMA's basemapaccuracy standards The flood hazard information is derived directly from theauthoritative NFHL web services provided by FEMA. This mapwas exported on 5/5/2025 at 10:24 PM and does notreflect changes or amendments subsequent to this date andtime. The NFHL and effective information may change orbecome superseded by new data over time. This map image is void if the one or more of the following map elements do not appear: basemap imagery, flood zone labels, legend, scale bar, map creation date, community identifiers, FIRM panel number, and FIRM effective date. Map images for unmapped and unmodernized areas cannot be used for regulatory purposes. Legend OTHER AREAS OF FLOOD HAZARD OTHER AREAS GENERAL STRUCTURES OTHER FEATURES MAP PANELS 8 B 20.2 The pin displayed on the map is an approximatepoint selected by the user and does not representan authoritative property location. 1:6,000 111°2'W 45°41'57"N 111°1'22"W 45°41'32"N Basemap Imagery Source: USGS National Map 2023 1606 GOLD AVE PROJECT AREA 1606 GOLD AVE SECTION MEAN WIDTH AREA VELOCITY (FEET) (SQUARE (FEET PER FEET) SECOND)A321 129317 34,717.9 4,717.94,718.0 0.1B961 39119 7.94,723.4 4,723.44,723.6 0.2C1,022 69209 4.54,724.6 4,724.64,724.8 0.2D1,253 50126 7.54,726.2 4,726.24,726.2 0.0E1,410 63244 3.94,728.8 4,728.84,728.8 0.0F2,032 54141 6.64,733.6 4,733.64,733.80.2G2,707 89203 4.64,739.3 4,739.34,739.30.0H3,357 124214 4.44,744.8 4,744.84,744.90.1I3,503 48195 4.84,746.3 4,746.34,746.30.0J3,817 44263 3.44,752.1 4,752.14,752.50.4K4,253 44154 5.54,752.6 4,752.64,752.90.3L4,766 35147 5.74,758.6 4,758.64,758.70.1M5,170 39156 5.24,761.3 4,761.34,761.30.0N5,626 45153 5.34,765.8 4,765.84,765.80.0O6,297 32134 64,774.3 4,774.34,774.30.0P6,765 96235 3.44,782.5 4,782.54,782.60.1Q7,189 3388 94,784.1 4,784.14,784.10.0R7,530 79177 4.54,789.4 4,789.44,789.90.5S7,863 2698 8.14,792.0 4,792.04,792.1 0.1T8,225 57142 5.64,796.5 4,796.54,796.50.0U8,627 228309 2.54,800.8 4,800.84,800.8 0.0V9,009 108174 3.14,804.7 4,804.74,804.8 0.1 1 Feet above confluence with East Gallatin RiverINCREASE TABLE 8FLOODWAY DATABOZEMAN CREEKFLOODING SOURCE FLOODWAYBASE FLOOD WATER SURFACE ELEVATION(FEET NAVD 88)CROSS SECTIONDISTANCE1REGULATORY WITHOUT FLOODWAY WITH FLOODWAY FEDERAL EMERGENCY MANAGEMENT AGENCY GALLATIN COUNTY, MT AND INCORPORATED AREAS