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Home My WebLink About20151027 Ver 2_Sediment Management_20200522S OCONEECHEE AVE EIGHTH STTOMAHAWK AVES CHEROKEE AVEHICKORY STAZALEA AVE LAUREL AVELAUREL CIRCLE DRTOMAHAWK BRANCHLAKETOMAHAWK Lake Tomahawk Sediment ManagementBlack Mountain, NCTomahawk Branch - Tributary to Upper Swannanoa RiverforTown of Black Mountain0.10.20.31.01-1.022.01-2.04 (Reserved)4.00-4.02Title SheetGeneral Notes and SymbolsProject Overview Forebay Rehabilitation PlanAbutment Repair (Civil Plan)Abutment Repair StructuralErosion & Sediment Control and Planting Plan Details 5.00-5.02BEFORE YOU DIG!IT'S THE LAW!CALL 1-800-632-4949N.C. ONE-CALL CENTEROwner:Town of Black MountainJosh Harrold, Town ManagerSheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T IONPERMITTING PLANSISSUED 5/22/20NX:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Title.dwg May 22, 2020 005-20258 CAW JH JPM 0.1 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina TitleEngineering:Wildlands Engineering, IncLicense No. F-0831167-B Haywood RdAsheville, NC 28806828-774-5547Jake McLean, PE, Project EngineerSurvey Control:Turner Land SurveyingP.O. Box 148Swannanoa, NC 28778919-827-0745David S. Turner, PLSSITESheet IndexProject DirectoryVicinity MapNot to Scale EXISTING BACK BENCHEXISTING THALWEGEXISTING STORM PIPE100EXISTING TREEExisting FeaturesEXISTING MINOR CONTOUREXISTING ASPHALTEXISTING WALKING PATHEXISTING WATEREXISTING CONCRETE PATHEXISTING TREELINEEXISTING TOP OF BANKTBProposed FeaturesErosion Control FeaturesEXISTING MAJOR CONTOUREXISTING SANITARY SEWERSSSSSSEXISTING SANITARY SEWER MANHOLEPROPOSED ROCK CROSS VANELODLODSAFSAF[X][X]LIMITS OF DISTURBANCESAFETY FENCESILT FENCECONSTRUCTION ENTRANCET HAUL ROADTEMPORARY CROSSINGPUMP AROUNDSILT FENCE OUTLETSTOCKPILE/STAGING AREACOFFER DAMEXISTING SANITARY SEWER EASEMENTEEEXISTING CONTROL POINTEXISTING UNDERGROUND ELECTRIC LINE ELECELECSheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-General Notes and Symbols.dwg May 22, 2020 005-20258 CAW JH JPM 0.2 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina General Notes and Symbols General NotesConstruction Sequence1.CONTACT NORTH CAROLINA "ONE CALL" CENTER (1-800-632-4949) PRIOR TO COMMENCEMENT OFWORK. ALL DAMAGE TO UTILITIES BY CONTRACTOR SHALL BE REPAIRED AT CONTRACTOR'S EXPENSE.2.CONTRACTOR TO REPAIR DISTURBED AREAS TO PRE-PROJECT CONDITIONS AND IS ADVISED TOPHOTOGRAPH OR VIDEO PROJECT SITES PRIOR TO COMMENCING CONSTRUCTION.3.CONTRACTOR SHALL DISPOSE OF EXCESS SOIL, CLEARED AND GRUBBED MATERIALS, INVASIVESPECIES, AND OTHER DEBRIS IN PROPER DISPOSAL AREAS APPROVED BY ENGINEER.4."SHRUBS" FOR THE PURPOSE OF PROPOSED PLANTING ARE CONSIDERED TO BE A MIX OF VARIOUSSIZE SHRUBS AND / OR SMALL TREES.EROSION CONTROL NOTES AND SEQUENCING:1.CONTRACTOR SHALL INSTALL AND MAINTAIN EROSION AND SEDIMENT CONTROL DEVICES INACCORDANCE WITH LOCAL, STATE AND FEDERAL REQUIREMENTS. ADDITIONAL EROSION ANDSEDIMENT CONTROL BASED ON WEATHER CONDITIONS OR ADDITIONAL DISTURBANCE SHALL BE ATCONTRACTOR'S EXPENSE.2.INSTALL CONSTRUCTION ENTRANCE WHERE APPLICABLE AT COMMENCEMENT OF ACTIVITIES.INSTALL SILT FENCE FOR STAGING AREAS TO BE USED AT ONSET OF CONSTRUCTION.3.LOCATE EQUIPMENT AND MATERIALS IN DESIGNATED STAGING AREAS. CONSULT WITH ENGINEERBEFORE UTILIZING ANY STAGING AREAS NOT DEPICTED ON PLANS.4.FLOW DIVERSION SHALL BE IN PLACE PRIOR TO BEGINNING ANY IN-STREAM WORK. FLOW DIVERSIONSAND PUMP-AROUND SYSTEMS SHALL NOT BE LEFT UNATTENDED WHILE SYSTEM ISIN-PLACE/OPERATING.5.INSTALL SILT FENCE ON STREAM SIDE OF ALL SOIL STOCKPILE AREAS OR STAGING AREAS THAT CREATEBARE GROUND CONDITIONS.6.INSTALL APPROPRIATE EROSION AND SEDIMENT CONTROL DEVICES PRIOR TO COMMENCINGEARTHWORK AND IN-CHANNEL WORK. THIS INCLUDES ALL SILT FENCE, TEMPORARY STREAMCROSSINGS THAT MAY BE USED DURING THE WORK DAY, AND THE PUMP AROUND SYSTEM.7.EQUIPMENT BROUGHT TO PROJECT SITE SHALL BE CLEAN AND FREE OF LEAKS.8.CONTRACTOR SHALL PERFORM FUELING AND MAINTENANCE ACTIVITIES AT LEAST 100 FEET AWAYFROM STREAM AND SHALL MANAGE ALL FLUIDS TO PREVENT LEAKING ONTO GROUND OR TO ALLOWFOR IMMEDIATE CLEAN-UP.9.STREAM WORK SHALL BE LIMITED TO AN AREA THAT CAN BE STABILIZED WITH SEED, STRAW ANDMATTING BY THE END OF EACH WORK DAY. ALL DISTURBED STREAMBANKS SHALL BE SEEDED,STRAWED AND MATTED.10.HAUL ROADS, SOIL DISPOSAL AREAS, STAGING AREAS AND OTHER UPLAND AREAS DISTURBED DURINGCONSTRUCTION SHALL BE PREPARED FOR PLANTING AND STABILIZED WITH SEED AND MULCH UPONCOMPLETION OF GRADING ACTIVITIES PER SPECIFICATIONS.11.INTERIM MEASURES MUST BE INSTALLED BY THE CONTRACTOR WHERE SEQUENCING RESULTS IN ANYRISK OF EROSION AND SEDIMENTATION INTO UNDISTURBED AREAS OR STREAM OR RUNOFFCONVEYANCES.12.ALL TEMPORARY ESC PRACTICES, INCLUDING SILT FENCE, CONSTRUCTION ENTRANCES, TEMPORARYSTONE, AND OTHER TEMPORARY MEASURES, SHALL BE REMOVED PRIOR TO DEMOBILIZATION.THE CONSTRUCTION SEQUENCE IS OUTLINED BELOW BUT MAY BE ADJUSTED BASED ON SITE CONDITIONS ENCOUNTERED DURING CONSTRUCTIONWITH ENGINEER'S APPROVAL.1.PRIOR TO OR UPON MOBILIZING TO SITE, COMPLETE CHEMICAL TREATMENT OF INVASIVE SPECIES A MINIMUM OF 3 WEEKS PRIOR TO PHYSICALEXCAVATION.2.ALL EROSION AND SEDIMENT CONTROL BEST MANAGEMENT PRACTICES SHALL COMPLY WITH THE NORTH CAROLINA EROSION AND SEDIMENTCONTROL DESIGN MANUAL. EROSION AND SEDIMENT CONTROL PRACTICES MUST BE INSTALLED PRIOR TO ANY EARTHWORK OPERATIONSCOMMENCING.3.THE CONTRACTOR SHALL DISTURB ONLY AS MUCH CHANNEL AS CAN BE STABILIZED WITH SEEDING, MULCH AND EROSION CONTROL MATTING BYTHE END OF EACH WORK DAY.4.LOCATIONS FOR STAGING AREAS AND TEMPORARY STREAM CROSSINGS HAVE BEEN PROVIDED ON THE PLANS. ADDITIONAL OR ALTERNATIVESTAGING AREAS AND TEMPORARY CROSSINGS MAY BE USED BY THE CONTRACTOR DEPENDING ON SITE AND ACCESS CONDITIONS AT THE TIMEOF CONSTRUCTION AND BY APPROVAL OF ENGINEER.5.THE CONTRACTOR SHALL USE CARE TO AVOID DAMAGING OR REMOVING EXISTING TREES THAT ARE BEYOND THE LIMITS OF DISTURBANCE.PHASE 1: MOBILIZATION AND GENERAL SITE PREPARATION1.MOBILIZE EQUIPMENT AND MATERIALS TO THE SITE. LOCATE LIMITS OF DISTURBANCE. WHERE ACCESS TO THE SITE IS, CROSSINGS MUST BEPROTECTED PRIOR TO USE AS INDICATED ON THE PLANS. ESTABLISH STAGING AREAS, HAUL ROADS, SILT FENCES AND OTHER BMPS.2.ALL HAUL ROADS SHALL BE MONITORED FOR SEDIMENT LOSS ON A DAILY BASIS. IN THE EVENT OF SEDIMENT LOSS, SILT FENCE OR OTHERAPPROPRIATE SEDIMENT AND EROSION CONTROL PRACTICES SHALL BE INSTALLED. STABILIZED SILT FENCE OUTLETS SHALL BE LOCATED ATPOINTS OF LOW ELEVATION OR A MINIMUM SPACING OF 150 LINEAR FEET.3.ANY STOCKPILED MATERIALS NOT USED FOR BACKFILL WITHIN 7 DAYS OF EXCAVATION SHALL BE STABILIZED WITH TEMPORARY SEED ANDSTRAW MULCH. PHASE 2: BRIDGE REPAIR AND DREDGING1.BEGIN DE-WATERING EXISTING POND TO FACILITATE BRIDGE REPAIRS.2.IMPLEMENT A PUMP AROUND WHEN DOING IN STREAM WORK.3.REMOVE FAILED OUTLET STRUCTURE FROM STREAM.4.REPAIR ABUTMENTS ON EXISTING BRIDGE. IF CONCRETE IS USED DIRECT CONTACT BETWEEN UNCURED OR CURING CONCRETE AND WATERS OFTHE STATE SHOULD BE PREVENTED. WATER THAT INADVERTENTLY CONTACTS UNCURED CONCRETE SHALL NOT BE DISCHARGED TO WATERS OFTHE STATE.5.DREDGE AND HAUL DREDGE MATERIAL OFFSITE.6.CONSTRUCT IN STREAM STRUCTURES TO PROTECT EXISTING BRIDGE AND STORE EXCESSIVE SEDIMENT COMING FROM TOMAHAWK BRANCH.PHASE 3: DEMOBILIZATION1.UPON COMPLETION OF STREAM AND FLOODPLAIN GRADING OPERATIONS, THE CONSTRUCTION HAUL ROUTES AND STAGING AREAS SHALL BEGRADED, RAKED, SEEDED AND MULCHED AS NEEDED TO STABILIZE THESE AREAS. ONCE THE SITE IS STABILIZED, SILT FENCES SHALL BE REMOVED.2.THE CONTRACTOR SHALL ENSURE THAT THE SITE IS FREE FROM TRASH AND EXCESS CONSTRUCTION MATERIALS PRIOR TO DEMOBILIZATION OFEQUIPMENT FROM THE SITE.NOTE: CONTROL POINTS SET BY TURNER LANDSURVEYING WITH REBAR AND CAPCONTROL POINT #1 CONTROL POINT #2N=697294.47'N=697535.52'E=1010658.26'E=1010646.32'Z=2346.549'Z=2352.499'Control Points: SS SS SS SS SS >TBTBTBTBTBTBTBTBTBTBTBTBTBTBTBELECELECELECELECELECELECELECELECELECTBTBTBTBTBTBSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS SSSSSS SSSSSSSSS S SSSSSSSSSSSSSSSS SS SS SS SS SS SS SS SSSSSSSS SS SS SS13+0014+0015+0016+0017+0018+0018+64SSSSSSSSSSSSSSSSSSSSEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEECORCORAN JON E061907873000000CHESANEK FRANK A;CHESANEK LUCY061907853600000MITCHELL J HUNTER061907421800000WARREN MARGARET H061907412300000POMEROY VIRGINIE CLOUTIER;POMEROY JOHN STEWART061907408300000BARBER KIMBERLY A061907348100000POMEROY VIRGINIE CLOUTIER;POMEROY JOHN STEWART061907307400000TOWN OF BLACK MOUNTAIN061906884100000GARAZARELLI RICHARD;GARZARELLI K ELIZABETH061906489800000GARZARELLI RICHARD;GARZARELLI ELIZABETH061906398200000GARZARELLI RICHARD;GARZARELLI ELIZABETH061906388500000OwnerParcel_NoLAKE OAK DRTOMAHAWK AVEHICKORY ST LAUREL AVELAUREL CIRCLE DR13+0014+0015+0016+0017+0018+0018+64EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEPICNICPAVILIONMUSICSTAGEA S P H A L T P A R K I N G A R E A WALKING PATHWALKING PATH30" SYC8"SYC12-14"SGUMTREE3xTREECHYSYC6-8"MAPPUMPHOUSEWALKING PATHLAKE TOMAHAWKPEDESTRIANBRIDGELODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD LOD LODLODLODLODLOD LOD LOD LOD LO D LOD LOD LOD LODLODLODLOD LOD LODLOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODSheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 312 W. Millbrook Rd, Suite 225 Raleigh, NC 27609 Tel: 919.851.9986 License No. F-0831 D R A F T X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Tomahawk Branch.dwg May 22, 2020 005-20258 CAW ### JM 0.3 5.22.20 0'30'60'90'(HORIZONTAL)N Lake Tomahawk Sediment Phase 1 Project County, North Carolina Project Overview SHEET 1.01TOMAHAWK BRANCH 233523402345235023552335234023452350235513+5014+0014+5015+0015+5016+0016+5017+0017+5018+0018+50EXISTING GROUNDEXISTINGGRAVEL BARWATER SURFACE PRIOR TOEXISTING STRUCTURE FAILUREEXISTING WSF,COULD RAISESOME WITHROCK VANESTRUCTUREFAILED OUTLET STRUCTURE,REMOVE AND DISPOSEPROPOSEDMAX DREDGEPROFILELAUREL CIRCLE DR>>TBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBTBELECELECELECELECELECELECELECELECELECELECELECELECELECELECSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS SS SS 15+0016+0017+0018+0018+64SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE15+0016+0017+0018+0018+640+001+001+40EEEEEEEEEEEEEE EEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEEE0+00 0+75 24'TOMAHAWK BRANCH235023 5 023452345 234523502350235523552344± (WSF)WORK PAD=2345.75WORK PAD=2345.75RED LINES ARE 12' REACHBACKHOE12'12'PICNICPAVILIONMUSICSTAGEWALKING PATH30" SYC8"SYC12-14"SGUMTREE3xTREECHYSYC6-8"MAPPUMPHOUSEWALKING PATHPEDESTRIAN BRIDGE LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLO D LO D LO D LODLODLODLODLODLO D LO D LO D LO D LO D LO D LO D LOD LOD LOD LOD LODLODLODLODLODLODLODLODLODLOD LOD LOD LODLOD APPLY ON-SITE BOULDERS TOARMOR ABUTMENTS, SHAPE TOBUILD FLOODPLAIN ON BOTH BANKSPROTECT EXISTING TREESACCESS TOSAND BARREMOVE AND DISPOSEOF EXISTING RISERDREDGEAREA,WSF=2344-2344.5PROPOSED TREESAND SHRUBS (TYP)REPAIR EASTABUTMENTTOWN TO HARDENACCESS AS WARRANTEDEXISTING ACCESS TOTOMAHAWK AVECENTERLINEBOULDERCROSS VANEDUMP TRUCK ACCESSFOR HAULING (TYP)CONTROL POINT #1CONTROL POINT #2PROTECT EXISTING WATERPIPE AND OUTLET COMINGFROM PUMP HOUSE.Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 312 W. Millbrook Rd, Suite 225 Raleigh, NC 27609 Tel: 919.851.9986 License No. F-0831 D R A F T0'20'40'60'(HORIZONTAL)N X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Tomahawk Branch.dwg May 22, 2020 005-20258 CAW JH JPM 1.01 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Forebay Plan-Profile Forebay RehabilitationPROFILE VIEWPLAN VIEWUnits are in feet unless noted 2335234023452350235523602335234023452350235523600+000+501+001+404:115:1±6'12'9'10:1±℄8:1MAXIMUM DREDGE DEPTH PER VOLVO BL70 SPECSWORK PAD (TYP),MATERIAL TBDOPTION 1: CLASS 1 RIPRAPOPTION 2 BOULDER WALLSTA 0EQUIPMENT REACHSEE CHART BELOW4 CY / LF±1: 1ARM REACH12'12'Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION0'20'40'60'(HORIZONTAL)N X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Tomahawk Branch 5.14.20.dwg May 22, 2020 005-20258 CAW JH JPM 1.02 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Tomahawk Branch Forebay SectionUnits are in feet unless notedSECTION VIEW Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Abutment Repair.dwg May 22, 2020 005-20258 CAW JH JPM 2.01 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Abutment Repair Original Design Site Plan REPAIR EASTABUTMENT,UNDERMINED FROMSTORM DAMAGENOTE: TOWN PROVIDED AS ONLY AVAILABLEDATA FROM ORIGINAL DESIGN Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Abutment Repair.dwg May 22, 2020 005-20258 CAW JH JPM 2.02 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Abutment Repair Original Design Bridge PlansNOTE: TOWN PROVIDED PLANS INCLUDING THIS SHEETAS ONLY AVAILABLE DATA FROM ORIGINAL DESIGN Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Abutment Repair.dwg May 22, 2020 005-20258 CAW JH JPM 2.03 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Abutment Repair Existing Conditions PhotosLOOKING UPSTREAMLOOKING AT DOWNSTREAM CORNERLOOKING DOWNSTREAMLOOKING UPSTREAM REMOVE AND DISPOSE ----------------- OF EXISTING RISER PUMP HOUSE ---------- REPAIR EASTABJTMENTIN DRY, REFER TO ST RU CTU RAL AN D ESC P LANS - P E RM ITTI ING PLANS NOTE: STRUCTURAL REPAIR DESIGN DETAILS ARE IN PROCESS AND NOT INCLUDED IN PERMITTING PLANS --PEDESTRIAN I' MUSIC STAGE T JR BRII E ........... APPROX. LOCATION OF WATER INTAKE LINE Music STAGE BORINGS APRIL 2020, By GEOTECHNICAL REPORT BY KESSEL ENGINEERING AVAILABLE FOR REVIEW 'o REMOVE19 OF MATERIAL UNDER BRIDGE, REPLACE WITH 12 LAYER OF SOIL MIXED WITH CLASS I STONE, SEEDAND MAT CONSTRUCT NEW BANK FROM f PROPOSED FILL: COMPACT, REPLACE TOP CFBANK i i WITH 12" LAYER OF SOIL t MIXED WITH CLASS I STO N E, SEED AMD MAT PROPOSED ABUTMENT REPAIR u 10, 20' 30 (n ZO 0 1-4 Cz J z U 0 U SSSSSSSST B T B T B T B T B T B T B T B TB TBTBTBTBTBTBTBTBTBTBTBTBTBTBELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC ELEC TB T B TB B TB T B SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSSS SS SSSSSSSSSSSSSSSSSS SS SS SS SS SS SS SS SS SS SS SS SS SS SS SS E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E E CHESANEK FRANK A;CHESANEK LUCY 061907853600000 MITCHELL J HUNTER WARREN MARGARET H 061907412300000 Owner Parcel_No TOMAHAWK A V ELAUREL CIRCLE DRLAKE TOMAHAWK PUMP HOUSE PICNIC PAVILION MUSIC STAGEASPHALTPARKING AREAWALKIN G P A T H WALKING PATHWAL K ING PA TH TOMA H A W K B R A N C H PEDESTRIANBRIDGE[X ] [X] [X] [X] [X] [X] [X] [X] [X ][X][X][X][X] T [X][X][X][X][X][X][X][X]LODLODLODLODLODLODLODLODLODLODLODLOD LOD LOD LOD LOD LOD L O D LODLODLODLODLOD LODLODLODLOD LOD LOD LOD LOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLO D LO D LO D LO D LOD LOD LOD LOD LOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODSAFSAF SAF SAF SAF SAF SAF SAF SAFSAFSAFSAFSAFSAF SAF SAF SAF SAF SAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAFSAF[X][X]DRAWDOWN LAKE WHEN CONDUCTING ABUTMENT REPAIR TO CONDUCT REPAIR IN THE DRY COMBINATION OF PUMP AROUND AND COFFER DAM SHALL ENSURE THAT WATER DOES NOT COME INTO CONTACT WITH CONCRETE POURED FOR ABUTMENT REPAIR SAFSAFSAFSAFSA F SheetChecked By:Job Number:Drawn By:Project Engineer:Date:Revisions:167-B Haywood RdAsheville, NC 28806Tel: 828.774.5547License No. F-0831PRELIMINARYDO NOTUSE FORCONSTR UCTI O N X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-E&S.dwgMay 22, 2020005-20258CAWJHJPM4.005.22.200'20'40'60' (HORIZONTAL)NLake Tomahawk Sediment Phase 1Buncombe County, North CarolinaOverviewErosion & Sediment Control and Planting PlanTemporary Seeding Pure Live Seed Approved Date Species Name Common Name Stratum Density (lbs/acre) Aug 15 - May 1 Secale cereale Rye Grain Herb 140 May 1 - Aug 15 Setaria italica German Millet Herb 50 Erosion Control Measures shall be inspected once per 7 calendar days and within 24 hours of a rainfall event greater than ≥1.0" per 24 hour period. Corrective actions shall be performed as soon as possible before the next storm event. Records must be kept on-site and available for review during construction and must be maintained for 3 years and available upon request. A rain gauge must be installed at the site. Ground Stabilization Requirements per NCG01 Site Area Description Perimeter dikes, swales, ditches, and slopes High Quality Water (HQW) Zones Slopes Steeper than 3:1 Slopes Flatter than 3:1 All other areas with slopes <4:1 Stabilization Time Frame 7 days 7 days 7 days 14 days 14 days Stabilization Time Frame Exceptions None None If slopes are 10:1 or less in length and are not steeper to 2:1, 14 days are allowed 7 days for slopes > than 50' in length None (except for perimeters and HQW) Extensions of time may be approved by the permitting authority based on weather or site-specific conditions that make compliance practicable. LOD = ACRES NOTE: PROPOSED HAUL ROADS, ENTRANCES AND CROSSINGS ARE POTENTIAL AND WILL NOT BE CONSTRUCTED IF NOT NEEDED. 0.95 SheetChecked By:Job Number:Drawn By:Project Engineer:Date:Revisions:167-B Haywood RdAsheville, NC 28806Tel: 828.774.5547License No. F-0831PRELIMINARYDO NOTUSE FORCONSTR UCTI O N X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-E&S.dwgMay 22, 2020005-20258CAWJHJPM4.015.22.20Lake Tomahawk Sediment Phase 1Buncombe County, North CarolinaGeneral NotesErosion & Sediment Control and Planting PlanNCG01 GROUND STABILIZATION AND MATERIALS HANDLING EFFECTIVE: 04/01/19 GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH THE NCG01 CONSTRUCTION GENERAL PERMIT Implementing the details and specifications on this plan sheet will result in the construction activity being considered compliant with the Ground Stabilization and Materials Handling sections of the NCG01 Construction General Permit (Sections E and F, respectively). The permittee shall comply with the Erosion and Sediment Control plan approved by the delegated authority having jurisdiction. All details and specifications shown on this sheet may not apply depending on site conditions and the delegated authority having jurisdiction. GROUND STABILIZATION SPECIFICATION Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the techniques in the table below: POLYACRYLAMIDES (PAMS) AND FLOCCULANTS 1.Select flocculants that are appropriate for the soils being exposed during construction, selecting from the NC DWR List of Approved PAMS/Flocculants. 2.Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. 3.Apply flocculants at the concentrations specified in the NC DWR List of Approved PAMS/Flocculants and in accordance with the manufacturer's instructions. 4.Provide ponding area for containment of treated Stormwater before discharging offsite. 5.Store flocculants in leak-proof containers that are kept under storm-resistant cover or surrounded by secondary containment structures. HAZARDOUS AND TOXIC WASTE 1.Create designated hazardous waste collection areas on-site. 2.Place hazardous waste containers under cover or in secondary containment. 3.Do not store hazardous chemicals, drums or bagged materials directly on the ground. EQUIPMENT AND VEHICLE MAINTENANCE 1.Maintain vehicles and equipment to prevent discharge of fluids. 2.Provide drip pans under any stored equipment. 3.Identify leaks and repair as soon as feasible, or remove leaking equipment from the project. 4.Collect all spent fluids, store in separate containers and properly dispose as hazardous waste (recycle when possible). 5.Remove leaking vehicles and construction equipment from service until the problem has been corrected. 6.Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products to a recycling or disposal center that handles these materials. LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE 1.Never bury or burn waste. Place litter and debris in approved waste containers. 2.Provide a sufficient number and size of waste containers (e.g dumpster, trash receptacle) on site to contain construction and domestic wastes. 3.Locate waste containers at least 50 feet away from storm drain inlets and surface waters unless no other alternatives are reasonably available. 4.Locate waste containers on areas that do not receive substantial amounts of runoff from upland areas and does not drain directly to a storm drain, stream or wetland. 5.Cover waste containers at the end of each workday and before storm events or provide secondary containment. Repair or replace damaged waste containers. 6.Anchor all lightweight items in waste containers during times of high winds. 7.Empty waste containers as needed to prevent overflow. Clean up immediately if containers overflow. 8.Dispose waste off-site at an approved disposal facility. 9.On business days, clean up and dispose of waste in designated waste containers. PAINT AND OTHER LIQUID WASTE 1.Do not dump paint and other liquid waste into storm drains, streams or wetlands. 2.Locate paint washouts at least 50 feet away from storm drain inlets and surface waters unless no other alternatives are reasonably available. 3.Contain liquid wastes in a controlled area. 4.Containment must be labeled, sized and placed appropriately for the needs of site. 5.Prevent the discharge of soaps, solvents, detergents and other liquid wastes from construction sites. PORTABLE TOILETS 1.Install portable toilets on level ground, at least 50 feet away from storm drains, streams or wetlands unless there is no alternative reasonably available. If 50 foot offset is not attainable, provide relocation of portable toilet behind silt fence or place on a gravel pad and surround with sand bags. 2.Provide staking or anchoring of portable toilets during periods of high winds or in high foot traffic areas. 3.Monitor portable toilets for leaking and properly dispose of any leaked material. Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace with properly operating unit. HERBICIDES, PESTICIDES AND RODENTICIDES 1.Store and apply herbicides, pesticides and rodenticides in accordance with label restrictions. 2.Store herbicides, pesticides and rodenticides in their original containers with the label, which lists directions for use, ingredients and first aid steps in case of accidental poisoning. 3.Do not store herbicides, pesticides and rodenticides in areas where flooding is possible or where they may spill or leak into wells, stormwater drains, ground water or surface water. If a spill occurs, clean area immediately. 4.Do not stockpile these materials onsite. CONCRETE WASHOUTS 1.Do not discharge concrete or cement slurry from the site. 2.Dispose of, or recycle settled, hardened concrete residue in accordance with local and state solid waste regulations and at an approved facility. 3.Manage washout from mortar mixers in accordance with the above item and in addition place the mixer and associated materials on impervious barrier and within lot perimeter silt fence. 4.Install temporary concrete washouts per local requirements, where applicable. If an alternate method or product is to be used, contact your approval authority for review and approval. If local standard details are not available, use one of the two types of temporary concrete washouts provided on this detail. 5.Do not use concrete washouts for dewatering or storing defective curb or sidewalk sections. Stormwater accumulated within the washout may not be pumped into or discharged to the storm drain system or receiving surface waters. Liquid waste must be pumped out and removed from project. 6.Locate washouts at least 50 feet from storm drain inlets and surface waters unless it can be shown that no other alternatives are reasonably available. At a minimum, install protection of storm drain inlet(s) closest to the washout which could receive spills or overflow. 7.Locate washouts in an easily accessible area, on level ground and install a stone entrance pad in front of the washout. Additional controls may be required by the approving authority. 8.Install at least one sign directing concrete trucks to the washout within the project limits. Post signage on the washout itself to identify this location. 9.Remove leavings from the washout when at approximately 75% capacity to limit overflow events. Replace the tarp, sand bags or other temporary structural components when no longer functional. When utilizing alternative or proprietary products, follow manufacturer's instructions. 10.At the completion of the concrete work, remove remaining leavings and dispose of in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance caused by removal of washout. EARTHEN STOCKPILE MANAGEMENT 1.Show stockpile locations on plans. Locate earthen-material stockpile areas at least 50 feet away from storm drain inlets, sediment basins, perimeter sediment controls and surface waters unless it can be shown no other alternatives are reasonably available. 2.Protect stockpile with silt fence installed along toe of slope with a minimum offset of five feet from the toe of stockpile. 3.Provide stable stone access point when feasible. 4.Stabilize stockpile within the timeframes provided on this sheet and in accordance with the approved plan and any additional requirements. Soil stabilization is defined as vegetative, physical or chemical coverage techniques that will restrain accelerated erosion on disturbed soils for temporary or permanent control needs. SECTION E: GROUND STABILIZATION Required Ground Stabilization Timeframes Note: After the permanent cessation of construction activities, any areas with temporary ground stabilization shall be converted to permanent ground stabilization as soon as practicable but in no case longer than 90 calendar days after the last land disturbing activity. Temporary ground stabilization shall be maintained in a manner to render the surface stable against accelerated erosion until permanent ground stabilization is achieved. Site Area Description Timeframe variations -7 days for perimeter dikes, swales, ditches, perimeter slopes and HQW Zones -10 days for Falls Lake Watershed unless there is zero slope Stabilize within this many calendar days after ceasing land disturbance 7 7 7 14 None None (a)Perimeter dikes, swales, ditches, and perimeter slopes (b)High Quality Water (HQW) Zones (c)Slopes steeper than 3:1 If slopes are 10' or less in length and are not steeper than 2:1, 14 days are allowed (d)Slopes 3:1 to 4:1 (e)Areas with slopes flatter than 4:1 14 -7 days for slopes greater than 50' in length and with slopes steeper than 4:1 -7 days for perimeter dikes, swales, ditches, perimeter slopes and HQW Zones -10 days for Falls Lake Watershed SheetChecked By:Job Number:Drawn By:Project Engineer:Date:Revisions:167-B Haywood RdAsheville, NC 28806Tel: 828.774.5547License No. F-0831PRELIMINARYDO NOTUSE FORCONSTR UCTI O N X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-E&S.dwgMay 22, 2020005-20258CAWJHJPM4.025.22.20Lake Tomahawk Sediment Phase 1Buncombe County, North CarolinaGeneral NotesErosion & Sediment Control and Planting PlanNCG01 SELF-INSPECTION, RECORDKEEPING AND REPORTING EFFECTIVE: 04/01/19 PART III SELF-INSPECTION, RECORDKEEPING AND REPORTING SECTION A: SELF-INSPECTION Self-inspections are required during normal business hours in accordance with the table below. When adverse weather or site conditions would cause the safety of the inspection personnel to be in jeopardy, the inspection may be delayed until the next business day on which it is safe to perform the inspection. In addition, when a storm event of equal to or greater than 1.0 inch occurs outside of normal business hours, the self-inspection shall be performed upon the commencement of the next business day. Any time when inspections were delayed shall be noted in the Inspection Record. NOTE: The rain inspection resets the required 7 calendar day inspection requirement. PART III SELF-INSPECTION, RECORDKEEPING AND REPORTING SECTION B: RECORDKEEPING 1.E&SC Plan Documentation The approved E&SC plan as well as any approved deviation shall be kept on the site. The approved E&SC plan must be kept up-to-date throughout the coverage under this permit. The following items pertaining to the E&SC plan shall be kept on site and available for inspection at all times during normal business hours. 2. Additional Documentation to be Kept on Site In addition to the E&SC plan documents above, the following items shall be kept on the site and available for inspectors at all times during normal business hours, unless the Division provides a site-specific exemption based on unique site conditions that make this requirement not practical: (a)This General Permit as well as the Certificate of Coverage, after it is received. (b)Records of inspections made during the previous twelve months. The permittee shall record the required observations on the Inspection Record Form provided by the Division or a similar inspection form that includes all the required elements. Use of electronically-available records in lieu of the required paper copies will be allowed if shown to provide equal access and utility as the hard-copy records. PART III SELF-INSPECTION, RECORDKEEPING AND REPORTING SECTION C: REPORTING 1.Occurrences that Must be Reported Permittees shall report the following occurrences: (a)Visible sediment deposition in a stream or wetland. (b)Oil spills if: ·They are 25 gallons or more, ·They are less than 25 gallons but cannot be cleaned up within 24 hours, ·They cause sheen on surface waters (regardless of volume), or ·They are within 100 feet of surface waters (regardless of volume). (c) Releases of hazardous substances in excess of reportable quantities under Section 311 of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA (Ref: 40 CFR 302.4) or G.S. 143-215.85. (d)Anticipated bypasses and unanticipated bypasses. (e)Noncompliance with the conditions of this permit that may endanger health or the environment. 2.Reporting Timeframes and Other Requirements After a permittee becomes aware of an occurrence that must be reported, he shall contact the appropriate Division regional office within the timeframes and in accordance with the other requirements listed below. Occurrences outside normal business hours may also be reported to the Department's Environmental Emergency Center personnel at (800) 858-0368. 3. Documentation to be Retained for Three Years All data used to complete the e-NOI and all inspection records shall be maintained for a period of three years after project completion and made available upon request. [40 CFR 122.41] PART II, SECTION G, ITEM (4) DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be drawn down for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare (for example, times with extended cold weather). Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: (a)The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which it will occur. The non-surface withdrawal shall not commence until the E&SC plan authority has approved these items, (b)The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III, Section C, Item (2)(c) and (d) of this permit, (c)Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls include properly sited, designed and maintained dewatering tanks, weir tanks, and filtration systems, (d)Vegetated, upland areas of the sites or a properly designed stone pad is used to the extent feasible at the outlet of the dewatering treatment devices described in Item (c) above, (e)Velocity dissipation devices such as check dams, sediment traps, and riprap are provided at the discharge points of all dewatering devices, and (f)Sediment removed from the dewatering treatment devices described in Item (c) above is disposed of in a manner that does not cause deposition of sediment into waters of the United States. Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Details.dwg May 22, 2020 005-20258 CAW JH JPM 5.00 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Details TOE OF SLOPE (TYP)TOP OF BANK (TYP)INVERTWIDTH(W)LENGTH OFVANE ARM(Y)AA'qPlan ViewProfile View B-B'Section A-A'1'1'TOE OF SLOPEEXTEND FILTERFABRIC 5' MIN.UPSTREAMSLOPE (S)HTOE OF SLOPE (TYP)TOP OF BANK (TYP)EXTEND FILTERFABRIC 5' MIN.UPSTREAMStructureDimensionsH (FT)XW (FT)XY (FT)Xq (DEGREE)XS (%)XRock Cross VaneNot to Scale15.00B'BEXCAVATE POOLPER PROFILESTRUCTURE INVERTELEVATION POINTPER PROFILEBACKFILL (ON-SITE ALLUVIUMOR NO. 57 STONE)TYPE 2FILTER FABRICCHANNEL BEDCLASS BSTONECLASS ASTONESTRUCTURE INVERT ELEVATIONPER PROFILEHEADER ROCKFOOTER ROCKCLASS BSTONECLASS ASTONECoffer DamNot to Scale25.00SeedingNot to Scale35.00MEMBRANETYPE 2FILTER FABRICROCK-ALLUVIAL FILLWORK AREAANY DEWATERING OF WORK AREA SHALLBE PUMPED THROUGH DEWATERING BAGPER PUMP AROUND DETAILMATERIALS FOR IMPERVIOUS DIKE (SEE PUMPAROUND DETAIL) MAY BE SUBSTITUTEDTO BE SET FOR 100%DESIGNTemporary SeedingApproved DateTypePlanting Rate(lbs/acre)Feb 1 - May 15Rye Grain (Secale cereale)120Ground Agricultural Limestone2000Soil conditioner (Humic DG)50Straw Mulch4000May 15 - Aug 15German Millet (Setaria italica)40Ladino/Red/Crimson Clover20Ground Agricultural Limestone2000Soil conditioner (Humic DG)50Straw Mulch4000Aug 15 - Dec 15Rye Grain (Secale cereale)120Ladino/Red/Crimson Clover20Ground Agricultural Limestone2000Soil conditioner (Humic DG)100Straw Mulch4000Permanent SeedingPure Live Seeding (42 lbs/acre)Approved DateSpecies NameCommon NameStratumDensity (lbs/acre)All YearDactylis qlomerataOrchard GrassHerb40All YearAndropogon gerardiiBig BluestemHerb40All YearTrifolium repensWhite LadinoCoverHerb15Note: Conduct soil test and adjust soil amendments per test recommendations.Note: Grass species may be varied by Owner. Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Details.dwg May 22, 2020 005-20258 CAW JH JPM 5.01 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Details Section ViewNOTES:1. ALL TREE PROTECTION BARRIERS SHALL BEREMOVED PRIOR TO CONTRACTORDEMOBILIZATION.2. SEE PLANS FOR LOCATION OF ALL TREEPROTECTION BARRIERS.Plan View3 ' M IN .3'3'Tree ProtectionNot to Scale25.01RADIUS OF TREE PROTECTIONBARRIER PER PLANS.6' WOODEN OR METAL "T" POSTSSHALL BE USED AS STANDARDS.SAFETY FENCE SHALL BE ATTACHEDTO STANDARDS TO FORM BARRIER.REMOVE ALL BRUSH ANDDEBRIS FROM INSIDE DRIPLINE.6' MAX. WITH WIRE4' MIN.MATERIAL SPECIFICATIONSPHYSICAL PROPERTYTESTSREQUIREMENTSMATERIALN/APOLYETHYLENERECOMENDED COLORN/A"INTERNATIONAL ORANGE"TENSILE YIELDASTM D638AVE. 2000 LBS. PER 4' WIDEULTIMATE TENSILE STRENGTHASTM D638AVE. 2900 LBS. PER 4' WIDEELONGATION AT BREAK (%)ASTM D638GREATER THAN 1000%CHEMICAL RESISTANCEN/AINERT TO MOST CHEMICALS AND ACIDS18" MIN.Safety FenceNot to Scale35.0170'12'PUBLIC ROAD NOTES:1. PROVIDE TURNING RADIUS SUFFICIENT TOACCOMMODATE LARGE TRUCKS.5. LOCATE CONSTRUCTION ENTRANCE AT ALLPOINTS OF INGRESS AND EGRESS UNTIL SITE ISSTABILIZED. PROVIDE FREQUENT CHECKS OF THEDEVICE AND TIMELY MAINTENANCE.6. MUST BE MAINTAINED IN A CONDITION WHICHWILL PREVENT TRACKING OR DIRECT FLOW OFMUD ONTO STREETS. PERIODIC TOP DRESSINGWITH STONE WILL BE NECESSARY.7. ANY MATERIAL TRACKED ONTO THE ROADWAYMUST BE CLEANED IMMEDIATELY.8. USE CLASS A STONE OR OTHER COARSEAGGREGATE APPROVED BY THE ENGINEER.9. PLACE FILTER FABRIC BENEATH STONE.Construction EntranceNot to Scale15.01CLASS A STONE8" MIN. DEPTHATTACH SAFETY FENCETO METAL POSTS USINGMETAL WIRE TIES"T" OR "U" POSTDRIVEN MINIMUM OF18" INTO GROUNDORANGE SAFTYFENCE TOP AND BOTTOM STRANDSHALL BE 10 GAUGE MIN.Sheet Checked By: Job Number: Drawn By: Project Engineer: Date:Revisions: 167-B Haywood Rd Asheville, NC 28806 Tel: 828.774.5547 License No. F-0831PRELIMINARYDO NOTUSE FORCON S T RU C T ION X:\Shared\Projects\W20258_Lake_Tomahawk_Sediment_Phase_1\Cadd\Plans\20258-Details.dwg May 22, 2020 005-20258 CAW JH JPM 5.02 5.22.20 Lake Tomahawk Sediment Phase 1 Buncombe County, North Carolina Details SUPPORT LOG12" Ø MIN.NOTE:1.CONSTRUCT STREAM CROSSING WHEN FLOW IS AT NORMALBASEFLOW.2.MINIMIZE CLEARING AND EXCAVATION OF STREAMBANKS.DO NOT EXCAVATE CHANNEL BOTTOM.3.INSTALL STREAM CROSSING PERPENDICULAR TO THE FLOW.4.MAINTAIN CROSSING SO THAT RUNOFF IN THECONSTRUCTION ROAD DOES NOT ENTER EXISTING CHANNEL.5.STABILIZE AN ACCESS RAMP OF CLASS B STONE TO THE EDGEOF THE MUD MAT.6.CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMPANGLE ACCORDING TO EQUIPMENT UTILIZED.YX' DIMTemporary Stream Crossing - Mud MatNot to Scale15.02FLOW10' MIN.Inset "C"Stabilized OutletPlan ViewInset "B"Impervious Dike15' to 20'NOTE:1.PROVIDE STABILIZED OUTLETTO STREAMBED.10'15'Inset "A"Dewatering BagACTIVE WORK AREADEWATERINGBAGPump Around SystemNot to Scale45.028"4"Temporary Silt FenceNot to ScaleNOTES:1.USE WIRE A MINIUM OF 32" IN WIDTHAND WITH A MINIMUM OF 6 LINES OFWIRES WITH 12" STAY SPACING.2.USE FILTER FABRIC A MINIMUM OF 36"IN WIDTH AND FASTEN ADEQUATELY TOTHE WIRES AS DIRECTED BY THEENGINEER.3.PROVIDE 5' STEEL POST OF THESELF-FASTENER ANGLE STEEL TYPE.ANGLE STEEL TYPE.8' MAX. WITH WIRE(6' MAX. WITHOUT WIRE)STEEL POST2'-0" DEPTH25.02Containerized PlantingNot to Scale2x CONTAINER WIDTH1.5x CONTAINERDEPTH2' TYPICAL35.02MUD MATSWATER DIVERSIONCHANNELFILTER FABRICCLASS BSTONEWIREMIDDLE AND VERTICALWIRES SHALL BE 12 12GAGE MIN.FILTER FABRICFILTER FABRICCOMPACTED FILLEXISTING GROUNDEXTEND FABRICINTO TRENCHIMPERVIOUS DIKE(SEE INSET "B")INTAKE HOSEPUMPDISCHARGE HOSEBAG PLACED ONAGGREGATED OR STRAW.HIGH STRENGTH DOUBLESTITCHED "J" TYPE SEAMS.SEWN IN SPOUTHIGH STRENGTH STRAPPINGFOR HOLDING HOSEIN PLACE.WATER FLOWFROM PUMPFLEXIBLEDISCHARGE HOSEEXISTING TERRAINDEWATERING BAGSTREAM BED8" of CLASS B RIPRAPFILTER FABRICSAND BAG(24" X 12" X 6")OR STONE.IMPERVIOUS SHEETINGFLEXIBLE DISCHARGE HOSE FROMPUMP AROUND PUMP HELD IN PLACEWITH SAND BAGS AS NEEDED.STABILIZED OUTLET USING CLASS B RIPRAP TRENCHED INTOEXISTING GROUND A MINIMUM OF 6". SIZE AND LOCATIONTO BE DETERMINED IN THE FIELD BY THE ENGINEER.FILTER FABRIC10' X 5' STABILIZED OUTLETUSING CLASS B RIPRAP ANDNCDOT TYPE 2 FILTER FABRIC.(SEE INSET "C")DEWATERING BAG(SEE INSET "A")DISCHARGE HOSEIMPERVIOUS DIKE(SEE INSET "B")DEWATERINGPUMPINTAKE HOSE