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HomeMy WebLinkAboutTurbidity Monitoring Report 20240813 - Page C2-03_ 2026-04-26-NCDEQ Cashiers Dredge ApprovedUP PROPERTY LINE DA M M A I N T E N A N C E E S M T CASHIERS LAKE R O A D VALLEY R O A D EXIST. SANITARY SEWER EXISTING WELL EXISTING WETLAND TO REMAINVILLAGE GREEN OF CASHIERS EXISTING NATURAL DRAINAGE PATTERN TEMPORARY DIVERSION CAUSEWAY 1 ELEVATION: 3475' F R A N K A L L E N R D TARGET BOTTOM 3468' LITTORAL SHELF #1 ELEVATION: 3470.5' BOTTOM: 3468' BOTTOM: 3472' FOREBAY SECTION #1 BOTTOM: 3468' LITTORAL SHELF #2 ELEVATION: 3470.5' FG 3475' FG 3476' EXIST. 20' CONSTRUCTION ACCESS ROAD (TYP) EXIST. CONSTRUCTION ENTRANCE EXIST. CONSTRUCTION ENTRANCE 347 0 347 0 3 4 7 4 34703468 3 4 6 8 EXISTING OVERFLOW STRUCTURE CONSTRUCTION STAGING AREA EXISTING OVERFLOW STRUCTURE PREVIOUS FULL POND ELEVATION 3471' PROPERTY LINE VALLEY R O A D EXIST. SANITARY SEWER EXISTING WELL EXISTING WETLAND TO REMAIN TURBIDITY CURTAIN AND FENCING EXISTING NATURAL DRAINAGE PATTERN EXISTING DREDGING SPOILS CASHIERS LAKE DUAL 81"x59" CMP DRAINAGE PIPES EXISTING DREDGING SPOILS EXISTING DREDGING SPOILS RIP RAP AND SILT FENCE RIP RAP AND SILT FENCE WELL 9 ou t 1 ou t 2 346 4 ' 346 6 ' 346 8 ' 347 0 ' 347 4 ' 3 4 7 4 ' SF SF SF SF S F S F S F S F S F S F S F S F SF SF SF SF SF SF SF SF SFSF SF SF SF S F SF SF SF S F SF S F SF S F SF SF SF SF SF SF S F S F S F S F S F DREDGE SPOIL AREA PROPOSED SILT FENCE / WADDLES TO BE INSTALLED AS NECESSARY PERMANENT MAINTENANCE CAUSEWAY AND LEVEL SPREADER ELEVATION: 3476' 3 4 7 6 3 4 7 6 3 4 7 2 TEMPORARY DIVERSION CAUSEWAY 3 ELEVATION: 3476' SWITCH FLOW DIRECTION FG 3476' L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D LD LD LD LD LD LD LD LD LD LD LD LD LDLDLDLD LD LD LD LD LD LD LD L D L D L D L D L D LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD L D L D L D L D L D L D L D LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LD LDLDLDLDLDLDLDLDLDLDLD LD LDLDLDLD LD LD L D L D L D LD LD LD L D L D L D L D L D L D L D L D LD LD LD LD LD LD LDLD LD LD LD LDLD LD LD LD LD LD LD LD LD LD LD L D L D LD L D LD LDLD LD L D LD LD L D L D L D L D L D LD L D L D L D L D L D L D LD LD LD LD LD LD LD LD LD LD LD L D L D LD LD L D L D L D L D L D LD LD LD LD LD LD L D L D LD LD LD LD LD LD LD LD LD LD L D L D L D LD LD L D L D LD LD L D L D L D L D LD LD LD LD LD LD LD LD LD LD L D LD LD LD LD LD LD LD LD LDLDLDLDLDLDLDLDLD LD LD LD LD LD L D L D L D L D L D L D L D LD LD LD LD LD LDLDLDLDLDLD L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D L D LD LD LD LD LD LD LD LD LD LD L D L D L D LD L D LD LD LD LD LD LD L D L D L D LD LD LD LD LD LD LD LD LD L D L D L D LD LD LD LD L D L D L D LDLDLDLDLDLD LD LD L D L D LD LD LD LD LD LD LD LD L D EXISTING BOULDER WALLS 206' PROPOSED GABION WALL WITH STONE TOP TOP OF WALL ±3479' 190' PROPOSED BOULDER WALL TOP OF WALL: ±3474' BOTTOM OF WALL: 3470' TEMPORARY SEDIMENT BASIN #1 TOTAL DA - 5.65 DENUDED DA - 5.17 AC CONTRACTOR SHALL PUMP TO EXISTING SKIMMER BASIN "G" AS NEEDED. TSB #1 DRAINAGE AREA BOUNDARY 9.39 AC PROP. CONSTRUCTION ENTRANCE PROP. 15' CONSTRUCTION ACCESS ROAD (TYP) EXIST. 20' CONSTRUCTION ACCESS ROAD (TYP) EXISTING CONSTRUCTION ENTRANCE EXISTING BOTTOM DRAIN INV. 3468' IMPACT #13 PROP. WETLAND FILL (1951-1998) - 0.36 AC PROPOSED AREA OF DISTURBANCE FOR LAYDOWN YARD, FOREBAY CONSTRUCTION AND MAINTENANCE ACCESS. APPROXIMATELY 150' X 70' SOIL TRANSITION AREA USED FOR DRYING AND TEMPORARY SOIL STORAGE. APPROXIMATELY 750 CY CAPACITY INTENDED FOR ANNUAL MAINTENANCE OF REMOVAL OF EXCESS SEDIMENT FROM FOREBAY. PHASE 1 WETLAND RESTORATION EXIST. GRAVEL DRIVE DENUDED LIMITS AREA - 3.86 AC EXIST. LAKE EDGE EXIST. 20' ACCESS EASEMENT 30' ORW BUFFER (TYP) DENUDED LIMITS AREA - 8.57 AC EXIST. STREAM (TYP) PROJECT BOUNDARY 30' TROUT BUFFER (TYP) EXIST. WETLANDS (TYP) PROJECT BOUNDARY PROJECT BOUNDARY EXISTING SKIMMER BASIN "LD" W/ BAFFLES AND OUTLET PROTECTION.(REFER TO PLANS PREPARED BY WGLA ENGINEERING, PLLC EXISTING SKIMMER BASIN "G" W/ BAFFLES AND OUTLET PROTECTION.(REFER TO PLANS PREPARED BY WGLA ENGINEERING, PLLC LEGEND: PROJECT BOUNDARY DENUDED LIMITS EXIST. PROPERTY LINE / ROW EXIST. EASEMENT EXIST. MAJOR CONTOUR EXIST. MINOR CONTOUR EXIST. TREE LINE EXIST. STREAM EXIST WETLANDS 30' ORW BUFFER TEMP. DIVERSION DITCH PROP. MAJOR CONTOUR PROP. MINOR CONTOUR PROP. SILT FENCE PROP. TURBIDITY CURTAIN PROP. 30' ORW BUFFER TD-> 3471 3470 3471 3470 NOTE: ·17.17 AC. DISTURBED/DENUDED AREA ·0.62 AC. OF ORW BUFFER DISTURBED LD LD SEAL SHEET NUMBER SHEET TITLE LANDDESIGN PROJ.# SCALE PROJECT NORTH NO.DESCRIPTION DATE REVISION / ISSUANCE ORIGINAL SHEET SIZE: 24" X 36" VERT: HORZ: CHECKED BY: DRAWN BY: DESIGNED BY: 100 S. ORANGE AVE., SUITE 700 ORLANDO, FL 32801 407.270.7800 WWW.LANDDESIGN.COM ENG. FIRM LICENSE # C-9520 5 01.14.22NCDEQ 6 03.14.2024NCDEQ SEAL 1 10.01.18NCDENR 2 07.12.19NCDENR 3 08.30.19NCDEQ 4 12.18.19NCDENR 4/26/2024 ALLE N R D S . R . 1 0 7 S.R.1113 FRANK CASHIERS LAKE 6 04.26.2024NCDEQ 0 1"=100' 50'100'200' CASHIERS LAKE DREDGING & EROSION CONTROL PLAN CASHIERS TOWNSHIP JACKSON COUNTY, NC 1020332 PHASE III EROSION CONTROL PLAN N/A XX XX XX C2-03 4/26/2024 2:04 PM CHAD GODDARD P:\CLT\_2020\1020332\CAD\DOCUMENTATION\CD\DREDGING & EROSION CONTROL\1020332-PLN-EROSION-PH3.DWG CALL 1-800-632-4949 N.C. ONE-CALL CENTER BEFORE YOU DIG! IT'S THE LAW! NOTE: CONTRACTOR TO NOTIFY ENGINEER OF ANY DISCREPANCIES IN EXISTING CONDITIONS OR DESIGN (INCLUDING EXISTING TOPO, INVERT ELEVATIONS, DETAILS, ETC.) PRIOR TO COMMENCEMENT OF WORK. INFORMATION WITHIN THIS PLAN SET SHOULD NOT BE ASSUMED ACCURATE UNTIL FIELD VERIFICATION.