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Home My WebLink AboutC4.0 GRADING AND EROSION CONTROL PLANPROPOSED ADDITION ±10,440 SF891890 8 9 0 891891ME 890.21 ME 890.25 ME 890.41 ME 890.43 ME 890.61 ME 890.63 ME 890.69 ME 890.17 ME 890.69 ME 890.61 ME 890.84 ME 890.59 ME 890.47 ME 890.65 ME 890.24 ME 890.36 ME 890.22 ME 890.05 ME 890.50 ME 890.81 ME 890.68 ME 890.68 ME 890.65 ME 890.64 ME 890.66 ME 890.64 STR. 01 - 48" MANHOLE RIM = 890.20 INV. E (12" HDPE): 887.85 INV. N (EX. 12" RCP): 887.75 INV. S (EX. 12" RCP): 887.75 STR. 02 - 18" NYLOPLAST BASIN RIM = 890.64 INV. N (12" HDPE): 888.11 INV. W (12" HDPE): 888.01 STR. 03 - 18" NYLOPLAST BASIN RIM = 890.63 INV. E (12" HDPE): 888.40 INV. S (12" HDPE): 888.30 STR. 04 - 15" NYLOPLAST BASIN RIM = 890.78 INV. W (12" HDPE): 888.45 17'-12" DURASLOT HDPE @ 0.32% 890.38 50'-12" DURASLOT HDPE @ 0.32% 890.19 ME 890.22 890.59 ME 890.64 59'-12" DURASLOT HDPE @ 0.32% ME 890.65 ME 890.71 890.63 ME 890.67 ME 890.78 MATCHLINE - SEE SHEET C4.1 MATCHLINE - SEE SHEET C4.0 DOWNSPOUT DOWNSPOUT DOWNSPOUT DOWNSPOUT DOWNSPOUT DOWNSPOUT PROPOSED ADDITION ±10,440 SF ME 890.21 ME 890.25 ME 890.41 ME 890.43 ME 890.61 ME 890.63 ME 890.69 ME 890.17 ME 890.69 ME 890.61 ME 890.84 ME 890.59 ME 890.47 ME 890.65 ME 890.24 ME 890.36 ME 890.22 ME 890.05 ME 890.50 IP P CW IP ME 890.81 ME 890.68 ME 890.68 ME 890.65 ME 890.64 ME 890.66 ME 890.64 PROVIDE SILT SOCK PROTECTION AROUND TRENCH DRAIN 890.38890.19 ME 890.22 890.59 ME 890.64 ME 890.65 ME 890.71 890.63 ME 890.67 ME 890.78 IP IP IP PROVIDE SILT SOCK PROTECTION AROUND TRENCH DRAIN GRADING, DRAINAGE, AND EROSION CONTROL PLANC4.0 N R SCALE 1" = 20' 200 40 3850 Priority Way South Drive, Suite 110Indianapolis, IN 46240Phone: (317) 779-2194NO.DATEREMARKSFILENAME: DATE: JOB NO. SHEET 07/13/2022 12119 D&R RACING ADDITION4501 W. 99TH STREETCARMEL, IN 46032FILENAME: 12119.C4.0_GR_EC_UT103/17/2023REVISIONS PER TAC COMMENTS205/08/2023REVISIONS PER TAC COMMENTSGRADING AND DRAINAGE PLAN EROSION CONTROL PLAN GRADING PLAN NOTES 1.ALL ELEVATIONS AT CONSTRUCTION LIMITS SHALL MATCH EXISTING GRADE. 2.TOPSOIL SHALL BE PLACED IN ALL LANDSCAPE AND YARD AREAS WITH A MINIMUM DEPTH OF 6". 3.MAINTAIN SITE DRAINAGE AT ALL TIMES DURING EARTHWORK OPERATIONS. THE CONTRACTOR SHALL BE RESPONSIBLE FOR PROVIDING TEMPORARY DRAINAGE FACILITIES IF NECESSARY THROUGHOUT CONSTRUCTION. 4.CONTOURS SHOW GRADING INTENT. THE CONTRACTOR MUST USE PROPOSED SPOT GRADE ELEVATIONS AND PROFILES TO BUILD SITE. CONTACT ENGINEER IF ADDITIONAL SPOT GRADES ARE NEEDED FOR CONSTRUCTION. 5.PAVEMENT AREAS SHALL BE CONSTRUCTED OF SUITABLE FILL MATERIAL AND COMPACTED PER SPECIFICATIONS. FILL AREAS FOR PAVEMENTS ARE TO BE STRIPPED OF ALL TOPSOIL PRIOR TO PLACEMENT OF FILL. 6.ANY DISCREPANCIES OR CONFLICTS WHICH BECOME APPARENT BEFORE OR DURING CONSTRUCTION SHALL BE BROUGHT TO THE ATTENTION OF THE DESIGN ENGINEER PRIOR TO CONSTRUCTION SO THAT CLARIFICATION OR REDESIGN MAY OCCUR. 7.CONTRACTOR SHALL BE RESPONSIBLE FOR CHECKING THAT STAKED GRADES MATCH DESIGN ELEVATIONS AND POSITIVE DRAINAGE TO STORMWATER MANAGEMENT SYSTEM IS ACHIEVED. CONTACT ENGINEER IF DESIGN ELEVATIONS DO NOT PROVIDE POSITIVE DRAINAGE. 8.THE CONTRACTOR SHALL BE RESPONSIBLE FOR DETERMINING EARTHWORK QUANTITIES AND INCLUDE ANY NECESSARY EXPORT OR IMPORT OF MATERIAL. IMPORT MATERIAL SHALL BE PRE-APPROVED BY THE ENGINEER/ARCHITECT. IT IS THE CONTRACTOR'S RESPONSIBILITY TO REVIEW THE EXISTING CONDITIONS AND INCLUDE IN THEIR BID ALL EARTHWORK COSTS INCLUDING IMPORTS AND/OR EXORTS NECESSARY TO MAKE THE SITE BALANCE. 9.CONTRACTOR TO ADJUST ALL EXISTING SURFACE INFRASTRUCTURE (HYDRANTS, VALVES, HANDHOLES, CASTINGS, IRRIGATION SYSTEM, UTILITY PEDESTALS, ETC.) AS REQUIRED TO MEET PROPOSED GRADE AT NO COST TO OWNER. 10.PROVIDE POSITIVE DRAINAGE WITHOUT PONDING IN ALL AREAS. AFTER INSTALLATION, CONTRACTOR TO TEST FOR AND CORRECT, IF ANY, STANDING WATER CONDITIONS AT NO COST TO OWNER. 11.CONTRACTOR TO PERPETUATE ANY SUBSURFACE DRAIN TILES OR PIPES ENCOUNTERED DURING CONSTRUCTION AND PROVIDE POSITIVE OUTLET TO DOWNSTREAM RECEIVING SYSTEM. CONTRACTOR TO NOTIFY THE ENGINEER WITH ANY CIRCUMSTANCES WHERE THIS CANNOT BE ACCOMPLISHED. 1.SEE SHEET C5.0 FOR EROSION CONTROL DETAILS. 2.ALL EROSION CONTROL MEASURES SHALL BE IN PLACE PRIOR TO CONSTRUCTION. 3.ACCESS TO THE SITE SHALL BE RESTRICTED TO THE TO THE LOCATION AS SHOWN. NO OTHER SITE ACCESS IS AVAILABLE UNLESS THE CONTRACTOR OBTAINS APPROVAL FROM ADJACENT PROPERTY OWNER AND APPROVAL FROM THE CITY OF CARMEL MS4 OPERATOR. 4.EROSION CONTROL MAINTENANCE - SITE TO BE INSPECTED ONCE A WEEK AND AFTER EVERY RAINFALL EVENT. MAKE REPAIRS IMMEDIATELY. 5.THE SITE IS NOT LOCATED ON OR ADJACENT TO ANY FLOODWAY/FLOOD PLAIN AREAS. 6.EROSION CONTROL MEASURES SHALL BE MAINTAINED THROUGHOUT THE ENTIRE CONSTRUCTION PROCESS AND UNTIL ALL DISTURBED AREAS ARE STABILIZED. 7.AREAS THAT WILL BE DISTURBED FOR MORE THAN 15 DAYS SHALL BE STABILIZED IMMEDIATELY WITH TEMPORARY SEEDING. ALL DISTURBED YARD/GRASS AREAS MUST BE STABILIZED WITH PERMANENT SEEDING MEASURES. 8.SEE THIS SHEET FOR GENERAL SEEDING AND SURFACE STABILIZATION PROCEDURES. 9.CONTRACTOR SHALL IMPLEMENT AND MAINTAIN ADDITIONAL EROSION CONTROL MEASURES AT REQUEST OF LOCAL AND/OR STATE STORMWATER AND EROSION CONTROL INSPECTORS. 10.SPOILS TO BE REMOVED FROM SITE, CONTRACTOR TO DETERMINE LOCATION AND COORDINATE WITH THE LOCAL EROSION CONTROL AUTHORITY. 11.THIS PLAN SHALL NOT BE CONSIDERED ALL INCLUSIVE AS THE CONTRACTOR SHALL TAKE ALL NECESSARY PRECAUTIONS TO PREVENT SOIL SEDIMENT FROM LEAVING THE SITE. 12.SEDIMENT LADEN WATER SHALL BE DETAINED BY EROSION CONTROL PRACTICES AS NEEDED TO MINIMIZE SEDIMENTATION IN RECEIVING WATER. NO STORMWATER SHALL BE DISCHARGED FROM THE SITE IN A MANNER THAT CAUSES EROSION AT THE POINT OF DISCHARGE. 13.WASTE AND UNUSED BUILDING MATERIALS SHALL NOT BE ALLOWED TO BE CARRIED FROM THE SITE BY STORMWATER RUNOFF. PROPER DISPOSAL OF ALL WASTE AND UNUSED BUILDING MATERIALS IS REQUIRED. 14.PRIOR TO COMPLETION OF THE PROJECT, CONTRACTOR SHALL CLEAN OUT ALL STORM DRAINAGE STRUCTURES AND RESTORE ALL DITCHES AND BASINS TO DESIGNED GRADES. EROSION CONTROL PLAN NOTES GRADING LEGEND: ME 800 799 800 MATCH EXISTING ELEVATION LOCAL DRAINAGE DIRECTION MAJOR CONTOUR MINOR CONTOUR EXISTING CONTOUR TOP OF CURB FINISHED GRADE GRADE BREAK 800.50 800.00 PAVING CONCRETE WASHOUT EROSION CONTROL LEGEND CONSTRUCTION LIMITS P IP INLET PROTECTION CW CITY OF CARMEL NOTES UTILITY RELOCATIONS REQUIRED BY THE PROJECT SHALL BE THE RESPONSIBILITY OF THE DEVELOPER. UTILITY LINE RELOCATIONS REQUIRED FOR ROAD PROJECTS THAT RESULT IN A CONFLICT WITH PROPOSED DEVELOPMENT SHALL BE THE DEVELOPER TO RESOLVE WITH THE UTILITY. EXISTING POLE LINES REQUIRED TO BE RELOCATED TO WITHIN ONE FOOT OF PROPOSED RIGHT-OF-WAY LINE DAMAGE TO THE EXISITNG 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."