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HomeMy WebLinkAboutC3 GRADINGAsphalt Asphalt R W R W R W BM ELEV = 852.27' FDC WIV BM ELEV = 852.27' FDC WIV FFE=853.5 100 YR. WSE IN DETENTION=844.33 EMERGENCY SPILL EL.=847.85 MFPG/MLAG=849.85 LIMITS OF GRADING FILE CABINET STORAGE BUILDING FFE=853.20 MFPG/MLAG=849.85 INITIAL DATE DPOR PM DES DRW Engineering Associates, Inc. CEI PROJECT NO. NO. DATE REVISIONS 10/10/14 10/17/14 DESCRIPTION BZA SUBMITTAL ADLS/ DP SUBMITTAL EXISTING FIRE HYDRANT LOCATED AT THE NE CORNER OF THE SITE ELEVATION = 852.27' SITE BENCHMARK 2/26/15 SUBMITTAL REVISED PER COMMENTS 4/30/15 SUBMITTAL REVISED PER COMMENTS 6/4/15 PERMIT/ BID SET JOB # PROJ#28436.0 DRAWING: 28436 GP.dwg LAST SAVED BY: RNEDKOV LOCATION: C:\CEI-CAD\Vault\28436.0 CLA - 116th St & College Ave - Carmel, IN\Drawings\Design\28436 GP.dwg 0 20' 30' 40' SCALE IN FEET PROPOSED PROPERTY LINE GRADE BREAK CONTOUR ELEVATIONS STORM DRAIN x XX.XX SPOT ELEVATIONS: G = GUTTER XXX TC = TOP OF CURB FS = FINISH SURFACE (PAVEMENT) SW = SIDEWALK GRATE INLET 18D MATCH EXISTING PAVEMENT ELEVATIONS 51B LIMITS OF SAWCUT AND PAVEMENT REMOVAL GRADING NOTES THIS PROJECT IS LOCATED OUTSIDE OF 100 YEAR FLOOD PLANE . PER FEMA MAP# 18057C0209G (HAMILTON COUNTY, INDIANA DATED NOVEMBER 19TH, 2014) GR = GRATE EG = EXISTING GRADE GENERAL GRADING NOTES A. PRIOR TO INSTALLATION OF STORM OR SANITARY SEWER, THE CONTRACTOR SHALL EXCAVATE, VERIFY, AND CALCULATE ALL CROSSINGS AND INFORM THE OWNER AND THE ENGINEER OF ANY CONFLICTS PRIOR TO CONSTRUCTION. THE ENGINEER WILL BE HELD HARMLESS IN THE EVENT THE ENGINEER IS NOT NOTIFIED OF DESIGN CONFLICTS. B. ALL SLOPES AND AREAS DISTURBED BY CONSTRUCTION SHALL BE GRADED SMOOTH AND 4" OF TOPSOIL APPLIED. IF ADEQUATE TOPSOIL IS NOT AVAILABLE ON SITE, THE CONTRACTOR SHALL PROVIDE TOPSOIL, APPROVED BY THE OWNER, AS NEEDED. THE AREA SHALL THEN BE SEEDED, FERTILIZED, MULCHED, WATERED AND MAINTAINED UNTIL HARDY GRASS GROWTH IS ESTABLISHED IN ALL AREAS (SEE LANDSCAPE PLAN FOR SEED MIX AND PROPER APPLICATION RATE). ANY AREAS DISTURBED FOR ANY REASON PRIOR TO FINAL ACCEPTANCE OF THE PROJECT SHALL BE CORRECTED BY THE CONTRACTOR AT NO ADDITIONAL COST TO THE OWNER. C. THE CONTRACTOR IS SPECIFICALLY CAUTIONED THAT THE LOCATION AND/OR ELEVATION OF EXISTING UTILITIES AS SHOWN ON THESE PLANS IS BASED ON RECORDS OF THE VARIOUS UTILITY COMPANIES, AND WHERE POSSIBLE, MEASUREMENTS TAKEN IN THE FIELD. THE INFORMATION IS NOT TO BE RELIED ON AS BEING EXACT OR COMPLETE. THE CONTRACTOR MUST CALL THE APPROPRIATE UTILITY COMPANY AT LEAST 48 HOURS BEFORE ANY EXCAVATION TO REQUEST EXACT FIELD LOCATION OF UTILITIES. D. UNLESS OTHERWISE SHOWN, CALLED OUT OR SPECIFIED HEREON OR WITHIN THE SPECIFICATIONS: ALL STORM DRAIN PIPE BEDDING SHALL BE INSTALLED PER CITY OF CARMEL DETAIL 10-28. ALL STORM DRAIN PIPES ARE MEASURED FROM CENTER OF STRUCTURES AND ENDS OF FLARED END SECTIONS. DAMAGE TO THE EXISTING RIGHT-OF-WAY SHALL BE RESTORED/REPAIRED TO THE SATISFACTION OF THE CITY AT THE COMPLETION OF THE PROJECT. THE CONTRACTOR IS ENCOURAGED TO INSPECT THE RIGHT-OF-WAY WITH THE CITY PRIOR TO THE START OF CONSTRUCTION TO DOCUMENT THE EXISTING CONDITION OF THE RIGHT-OF-WAY. ALL BUILDINGS SHALL HAVE A MINIMUM FLOOD PROTECTION GRADE SHOWN ON THE SECONDARY PLAT. 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. SITE ACREAGE 3.32 ACRES OFFSITE/UPSTREAM ACREAGE 0.00 ACRES ALLOWABLE RELEASE RATE PER WEIHE DRAINAGE STUDY * 10 YEAR = 1.067 CFS * WEIHE DRAINAGE STUDY: 116TH CENTRE APARTMENT HOMES, 2011 BY WEIHE ENGINEERS ** TO MEET HAMILTON COUNTY SURVEYOR RELEASE RATES AN ORIFICE SMALLER THAN THE 6" MINIMUM ALLOWED WOULD BE REQUIRED. *** PER THE 116TH STREET CINERGY DETENTION SYSTEM PROJECT, 2005 BY MELTON-PACKARD AND ASSOCIATES, 1.65 ACRES OF THE SITE IS ACCOMMODATED IN THE EXISTING UNDERGROUND DETENTION FACILITY LOCATED UNDER THE PARKING LOT OF THE DEVELOPMENT IMMEDIATELY EAST OF THE SITE ACROSS WALKABOUT CIRCLE 100 YEAR = 1.542 CFS ALLOWABLE RELEASE RATE PER HAMILTON COUNTY SURVEYOR ** 10 YEAR (0.10 CFS/AC) = 0.33 CFS 100 YEAR (0.25 CFS/AC) = 0.83 CFS POST DEVELOPED 10 YEAR FLOW UNDETAINED 10.31 CFS POST DEVELOPED 100 YEAR FLOW UNDETAINED 17.90 CFS DETENTION VOLUME REQUIRED 10 YEAR = 12,877 CF 100 YEAR = 22,083 CF PER WEIHE STUDY = 35,719 CF DETENTION VOLUME PROVIDED 35,820 CF (UNDERGROUND) DETENTION RELEASE RATES 10 YEAR = 1.089 CFS 100 YEAR = 1.539 CFS DETENTION INVERT ELEVATION 841.85 DETENTION OUTLET ORIFICE 6" (ELEV. 841.66) DETENTION WATER SURFACE ELEV. 10 YEAR = 843.32 100 YEAR = 844.75 DRAINAGE / DETENTION SUMMARY 6/2/15