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JULIAN STREET S: \55960PUL -S1 \DWG \C202 - Emergency Flood Route Plan.dwg, 9/5/2012 10:07:44 AM, KGilson, EXISTING VILLAGE OF WEST CLAY, SECTION 6001 870 LEGEND EXISTING CONTOUR - -- - EXISTING SANITARY SEWER 184801 87 f 25 744.7 MFF =752.6 EXISTING STORM SEWER PROPOSED GRADE PROPOSED CONTOUR PROPOSED SANITARY SEWER PROPOSED STORM SEWER PROPOSED WATER LINE PROPOSED SWALE PROPOSED 5' SIDEWALK (BY HOME BUILDER) (DEVELOPER SHALL INSTALL SIDEWALKS ALONG ALL COMMON AREAS) LOT NUMBER PAD ELEVATION 4" SSD LATERAL STUB TO LOTS WITHOUT REAR YARD UNDERDRAINS (LOTS 4-6) PROPOSED 6" DUAL WALL HANCOR HI -Q TYPE 4 UNDERDRAINS MIN. FINISH FLOOR ELEV. IS BASED OFF OF THE BELOW CRITERIA, WHICHEVER IS HIGHER: I. (I) FOOT ABOVE THE NEAREST UPSTREAM OR DOWNSTREAM SANITARY MANHOLE WHICH EVER IS LOWEST. 2. 15" (1.25') ABOVE THE ROAD ELEVATION 3. 6" (0.5') ABOVE THE M.L.A.G MFPG =753.0 MINIMUM FLOOD PROTECTION GRADE MLAG =753.0 MINIMUM LOWEST ADJACENT GRADE 4" SSD TO LOT RISER TC 6" DUAL WALL HANCOR HI -Q TYPE 4 SSD EMERGENCY FLOOD ROUTING EMERGENCY OVERFLOW PONDING EXISTING VILLAGE OF WEST CLAY, SECTION 6001 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 o Minimum Flood Protection Grade of all structures fronting o pond or open ditch shall be no less than 2 feet above any adjacent 100 -year local or regional flood elevations, wh ichever is greater, for all windows, doors, pipe entrances, window wells, and any other structure member where floodwaters can enter a building. 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. Standard: Lowest Adjacent Grade 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. 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. 11. 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 /p nding 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. 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 far 1 structure. In this case, there should be o 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 bu ilding 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_ IUPPS DIg ;Safely. Indiana Underground Plant Protection Service Know what's below. Cal I before you dig. REVISED PER TAC COMMENTS ct m 0 ...s. STOENtF , • .% 'G STE....612F, QQ,c/- • fl Q, No. y 19358 y t''., STATE OF ' k G�� rr 6'8/ON-AI o W J ^W i W 0 ✓ f ALWAYS ON coo' cn 00 00 .- Er in 0' G m 0 0 in a EMERGENCY FLOOD HAMILTON COUNTY, INDIANA CLAY TOWNSHIP DRAWN BY: <PG CHECKED BY. BAH SHEE NO. C202 5 & A JOB NO. 55960PUL