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HomeMy WebLinkAboutC202-Flood Routing PlansD Y H U. P . U. P . U. P . RW RW U. P . U. P . 838 825 826 827 828 829 830 824 825 825 826 826 827 827 828 828 829 829 830 830 8 3 1 829829 C.A. #1 VAR. D.U.&B.M.P.E.&L.M.A.E. 10 ' D . & U . E . 10 ' D . & U . E . 10 ' D . & U . E . 10 ' D . & U . E . 10 ' D . & U . E . 25' D.&U.E. 75 ' R a d . 68.90' 1 2 R/W 68.90' 1 2 R/W 50 ' SSD OUTLET INV. 827.50 (SEE DETAIL) 10' T.P.E. 102 L F S W A L E 1. 0 0 % 25' B.L. LOT 1 MFF:837.3 MAX. LOT COVERAGE: 10,000 sq.ft. LOT 2 MFF:840.3 MAX. LOT COVERAGE: 11,000 sq. ft. 2.23% 8' SPILLWAY @ 828.04' DRY BASIN 2-yr EL. 825.87 10-yr EL. 826.76 100-yr EL. 828.04 13 6 L F 1 2 " 2 . 2 1 % 38 LF 18" 0.57% 71 LF 12" 0.31%140 LF 15" 3.40%160 LF 12" 1.94% 2' RIBBON CURB 2' RIBBON CURB 401 400 405 404403 402 407 1+50 830.63 2+00 831.16 2+50 832.18 2+75 832.74 3+00 833.30 3+25 833.86 3+50 834.42 3+75 834.97 4+00 835.51 4+25 836.02 4+50 836.52 4+75 837.01 5+00 837.50 5+25 837.99 5+75 839.02 0+30.57 GB 832.08 1+01.13 PVI 830.54 0+38.58 GB 831.92 2+00 PVI 831.16 0+63.63 BVC 831.23 1+20.42 LP 830.45 4+00 PVI 835.51 1+72.50 BVC 830.83 1+38.63 EVC 830.53 2+27.50 EVC 831.68 4+37.50 EVC 836.27 3+62.50 BVC 834.70 5+55.07 BVC 838.58 60 ' I . E . E . & D . E . & U . E . 18 ' 18 ' BUFFER EASEMENT 50' FROM TOP OF BANK OF CARMEL CREEK VAR. WATER QUALITY PRESERVATION EASEMENT 15' Electrical & Telecomm. Easement Instr. No. 2019025955 & Instr. No. 2019031338 Approx. Limit of W.R. Fertig Open Regulated Drain (75' from Top of Bank) Approx. Top of Bank W.R. Fertig Open Regulated Drain Var. Width Drainage Access & Maintenance Easement Instr. No. 200300127290 20' Sewer Easement Instr. No. 8702420 15' Electrical & Telecomm. Easement Instr. No. 2019025955 & Instr. No. 2019031338 South R/W 116th Street per INDOT Proj. No. STP-B886 (007) 4' BERM @ 830' 4' BERM @ 830' 16 LF SWALE 1.02%58 LF SWALE 1.00% 408 MLAG:836.8 MFPG:836.8 MLAG:826.0 MFPG:826.0 MLAG:826.0 MFPG:826.0 MLAG:839.8 MFPG:839.8 0.88%-2.75% 1.97% 34 LF SWALE 2.92% 16 LF SWALE 3.18% DONNYBROOK ADDITION Plat Book 2, Pages 233-234 Roland W. Slagle, III et al Inst. No. 2020079971 Lot 3Lot 2Lot 1 MONON FARMS CONDOMINIUMS Plat Cabinet 3, Slide 651 Inst. No. 200500039345 Monon Farms Lane E. 1 1 6 t h S t r e e t - 1 . 0 0 % - 1 . 0 0 % - 1 . 0 0 % TBM #2 TBM #1 20' R 20'R 94 LF SWALE 4.04% 99 LF SWALE 2.83% 10 LF SWALE 1.00%25 LF SWALE 1.20%99 LF SWALE 828.7 829.2 HP 829.3 HP 829.2 GB 833.5832.9 832.0 832.4 831.5 831.9 830.9 831.3 830.6 831.0 830.4 830.8 830.3 830.7 830.2 830.6 830.3 830.7 831.0 831.4 834.0 834.6 834.9 835.2 835.7 836.2 836.4 836.7 837.2 837.7 838.2 838.8 839.2 8 2 4 . 1 M E 823.0 ME 823. 0 ME 8 2 3 . 9 M E 8 2 3 . 2 8 2 3 . 2 826 . 0 825 . 0 GB 824 . 0 832.7 837.3 833.6 830.1 832.2 832.5 833.4 833.1 831.8 835.1 837.3 837.3 836.6 833.3HP 834.0 834.3 836.7 836.2 835.7 834.5 837.3 836.8 836.3 835.8 834.8 830.5 829.5 830.5 832.2 834.0 834.7 835.3 835.9 835.6 838.2 840.3 834.8 840.3 839.2 836.3 836.6 83 4 . 1 HP 840.3 839.6 836.9 837.2 836.8HP 840.3 839.7 839.2 838.6 837.4 840.3 839.8 839.3 838.8 837.8 840.3 839.7 837.7 838.0 837.5 HP 838.8 838.6 837.2 837.7 838.4 835.9 837.3 835.8 835.7 838 839 840 836 837 838 839 840 838 835 836 83 7 8 3 8 831 832 833 834 835 836 832 833 834 835 836 837 830831832833834835836837 832833834835836837838839840 20' B.M.P.E. 5. 1 6 % 5. 2 9 % FLOODPLAIN COMPENSATORY STORAGE AREA (Private) DRIVE DRIVE837.8834.8 830.5 830.6 828.03 DA T E MA R K RE V I S I O N S BY S & A JOB NO. SHEET NO. DRAWN BY:CHECKED BY: TH I S D R A W I N G I S N O T I N T E N D E D T O B E RE P R E S E N T E D A S A R E T R A C E M E N T O R OR I G I N A L B O U N D A R Y S U R V E Y , A R O U T E S U R V E Y O R A S U R V E Y O R LO C A T I O N R E P O R T . CE R T I F I E D : S T O E P P E L W E R T H A L W A Y S O N 79 6 5 E a s t 1 0 6 t h S t r e e t , F i s h e r s , I N 4 6 0 3 8 - 2 5 0 5 ph o n e : 3 1 7 . 8 4 9 . 5 9 3 5 f a x : 3 1 7 . 8 4 9 . 5 9 4 2 EM E R G E N C Y F L O O D R O U T E P L A N S C202 111895GBC PDR BKR CL A Y T O W N S H I P HA M I L T O N C O U N T Y , I N D I A N A Fi l e N a m e : S: \ 1 1 1 8 9 5 G B C \ D W G \ C 2 0 2 - F l o o d R o u t i n g P l a n s . d w g - C2 0 2 Mo d i f i e d / B y : Ju n e 2 6 , 2 0 2 5 9 : 2 1 : 2 6 A M / pr i c h a r d s Pl o t t e d / B y : Ju n e 2 6 , 2 0 2 5 1 1 : 2 2 : 5 2 A M / Pa u l R i c h a r d s 06 / 2 6 / 2 5 SW I N L E Y F O R E S T 12 2 5 E A S T 1 1 6 t h S T R E E T MA T C H L I N E " A " - S E E S H E E T C 2 0 3 MA T C H L I N E " A " - S E E S H E E T C 2 0 3 GRAPHIC SCALE 0' ( IN FEET ) 30'15'30' 1" = 30' BENCHMARK DATA ORIGINATING BENCHMARK: BENCHMARK ELEVATIONS FOR THIS PROJECT WERE DERIVED USING THE NATIONAL GEODETIC SURVEY ONLINE POSITIONING USER SERVICE (O.P.U.S) AND ARE REFERENCED TO THE NAVD '88 DATUM. SITE TBMs: TBM #1: A CUT SQUARE ON TOP OF THE CONCRETE CURB ON THE SOUTH SIDE OF 116th STREET, IMMEDIATELY EAST OF THE ENTRANCE TO THE GRAVEL DRIVE ON THE WEST SIDE OF THE SITE. EL: 832.38 (NAVD 88) TBM #2: A CUT "X" ON TOP OF THE CONCRETE TOP OF THE BRICK HEADWALL OVER CARMEL CREEK, AT THE NORTHWEST CORNER OF THE WALL. EL: 830.09 (NAVD 88) NOTES MINIMUM FLOOD PROTECTION GRADES FROM SECTIONS 104.02, 302.06 AND 303.07 OF THE CITY OF CARMEL STORM WATER TECHNICAL STANDARDS MANUAL 1.DEFINITIONS A.MINIMUM FLOOD PROTECTION GRADE OF ALL STRUCTURES FRONTING A POND OR OPEN DITCH SHALL BE NO LESS THAN 2 FEET ABOVE ANY ADJACENT 100-YEAR LOCAL OR REGIONAL FLOOD ELEVATIONS, WHICHEVER IS GREATER, FOR ALL WINDOWS, DOORS, PIPE ENTRANCES, WINDOW WELLS, AND ANY OTHER STRUCTURE MEMBER WHERE FLOODWATERS CAN ENTER A BUILDING. B.LOWEST ADJACENT GRADE IS THE ELEVATION OF THE LOWEST GRADE ADJACENT TO A STRUCTURE, WHERE THE SOIL MEETS THE FOUNDATION AROUND THE OUTSIDE OF THE STRUCTURE (INCLUDING STRUCTURAL MEMBERS SUCH AS BASEMENT WALKOUT, PATIOS, DECKS, PORCHES, SUPPORT POSTS OR PIERS, AND RIM OF THE WINDOW WELL. 2.STANDARD: LOWEST ADJACENT GRADE A.GENERAL I.THE LOWEST ADJACENT GRADE FOR RESIDENTIAL, COMMERCIAL, OR INDUSTRIAL BUILDINGS SHALL HAVE TWO FEET OF FREEBOARD ABOVE THE FLOODING SOURCE'S 100-YEAR FLOOD ELEVATION UNDER PROPOSED CONDITIONS. B.FOR AREAS OUTSIDE A SPECIAL FLOOD HAZARDS AREA (SFHA) OR FEMA OR IDNR DESIGNATED FLOODPLAIN I.THE LOWEST ADJACENT GRADE FOR ALL RESIDENTIAL, COMMERCIAL, OR INDUSTRIAL BUILDINGS ADJACENT TO PONDS SHALL BE SET A MINIMUM OF 2 FEET ABOVE THE 100-YEAR POND ELEVATION OR 2 FEET ABOVE THE EMERGENCY OVERFLOW WEIR ELEVATION, WHICHEVER IS HIGHER. II.THE LOWEST ADJACENT GRADE FOR ALL RESIDENTIAL, COMMERCIAL, OR INDUSTRIAL BUILDINGS SHALL BE SET A MINIMUM OF 2 FEET ABOVE THE HIGHEST NOTED OVERFLOW PATH/PONDING ELEVATION ACROSS THE PROPERTY FRONTAGE. III.IN ADDITION TO THE LOWEST ADJACENT GRADE REQUIREMENTS, ANY BASEMENT FLOOR MUST BE AT LEAST A FOOT ABOVE THE NORMAL WATER LEVEL OF ANY WET-BOTTOM POND. 3.DESIGN NOTES: A.EACH LOT THAT IS ADJACENT TO A POND, OPEN DITCH OR FLOODING SOURCE HAS A FLOOD PROTECTION GRADE. THERE ARE INSTANCES WHERE THERE ARE MULTIPLE DIFFERENT FLOODING SOURCES FOR 1 STRUCTURE. IN THIS CASE, THERE SHOULD BE A FLOOD PROTECTION GRADE LISTED FOR EACH SIDE OF THE STRUCTURE IN THE EVENT THAT PIPING FROM THE STRUCTURE DISCHARGE TO EITHER FLOOD SOURCE. B.FINISHED FLOOR ELEVATION OR THE LOWEST BUILDING ENTRY ELEVATION SHALL BE NO LESS THAN 6 INCHES ABOVE FINISHED GRADE AROUND THE BUILDING. ALSO, THE BUILDING'S LOWEST ENTRY ELEVATION THAT IS ADJACENT TO AND FACING A ROAD SHALL BE A MINIMUM OF 15 INCHES ABOVE THE ROAD ELEVATION. LEGEND EXISTING FEATURES SEWER, SANITARY SEWER, STORM CONTOUR WATER FLOWLINE NORMAL WATER ELEVATION FLOODWAY FRINGE (PRE-PUBLISHED FLOOD LINE) PROPOSED FEATURES SEWER, STORM CONTOUR NORMAL WATER ELEVATION WATER FLOWLINE GRADE ELEVATION MLAG / MFPG - REAR LOT NUMBER MIN. FINISH FLOOR ELEVATION MLAG / MFPG - FRONT MFF:834.0 MIN. FINISH FLOOR ELEVATION IS BASED OFF OF THE FOLLOWING CRITERIA: 1. 12" (1.0') ABOVE THE NEAREST UPSTREAM OR DOWNSTREAM SANITARY MANHOLE (WHICHEVER IS LOWEST) 2. 6" (0.5') ABOVE THE MLAG 3. 15" (1.25') ABOVE THE HIGHEST ROAD ELEVATION ACROSS FRONT OF LOT DENOTES CONSTRUCTION LIMITS EMERGENCY OVERFLOW PONDING (FOR 100-YEAR STORM, ASSUMING ALL INLETS ARE COMPLETELY CLOGGED.) EMERGENCY FLOOD ROUTING LOCATION(S) OF STORMWATER DISCHARGE FROM SITE LOT 1 833.5 833.2 MLAG: MFPG: MFF:834.0 826.0 826.0 MFPG: MLAG: