20181125 Ver 1_Paint Fork Plans_20180813

60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
TITLE SHEET 1.1
APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017 PROJECT DIRECTORYLAND OWNER365 PAINT FORK ROADBARNARDSVILLE, NCCOORDINATORMOUNTAIN VALLEYS RC&D, INCJESSICA [e-mail] ENVIRONMENTALGREG JENNINGS, PHD, [e-mail] INDEXTITLE SHEET1.0PROJECT OVERVIEW2.0CROSS-SECTIONS3.0PROPOSED PLAN AND PROFILE4.0PROPOSED PLANTING PLAN5.0PROPOSED DETAILS6.0PAINT FORK STREAM RESTORATION365 PAINT FORK ROAD, BARNARDSVILLE, NC - BUNCOMBE COUNTYGDJ 60% PLANS - PERMITTING AND REVIEWSUBMITTED ON JULY 31, 2017
APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ1 INCH = 20 FEETFeet02040PAINT FORK PROPOSED ALIGNMENTSEE SHEETS 3.1 AND 4.160% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
OVERVIEW 2.1UT PAINT FORK PROPOSED ALIGNMENTSEE SHEETS 3.2 AND 4.2
FLOODPLAINPAINT FORK RIFFLE CROSS-SECTION (TYP.)QBKF = 75 CFSABKF = 14.0 FT2WBKF = 15.0 FTDBKF= 0.9 FTDMAX = 1.2 FTW/D = 16.0DMAX/DBKF = 1.3SWSE = 0.022 FT/FT15.0 FTWIDTH VARIES PER PLANFLOODPLAIN3 : 13 : 12.5 : 12.5

:
12.5

:
16 : 13 : 1FLOODPLAIN2.6'19.5 FTPAINT FORK POOL CROSS-SECTION (TYP.)PROPOSED CENTERLINE ALIGNMENTPOINT BARPROPOSED 700 GRAM COIR EROSIONCONTROL MATTING, SEE DETAIL1.2'PROPOSED BKF WSEPROPOSED BKF WSEWIDTH VARIES PER PLAN3 : 13 : 1PROPOSED CENTERLINE ALIGNMENTAPOOL = 27.0 FT2WPOOL = 19.5 FTDPOOL= 0.9 FTDMPOOL = 2.6 FTAPOOL/ABKF= 1.9WPOOL/WBKF = 1.3DMPOOL/DBKF = 2.8APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
CROSS-SECT.3.1
FLOODPLAINUT PAINT FORK RIFFLE CROSS-SECTION (TYP.)QBKF = 30 CFSABKF = 6.0 FT2WBKF = 9.2 FTDBKF= 0.7 FTDMAX = 0.8 FTW/D = 14.0DMAX/DBKF = 1.2SWSE = 0.025 FT/FT9.2 FTWIDTH VARIES PER PLANFLOODPLAIN3 : 12 : 12
:
15 : 11.8'11.9 FTUT PAINT FORK POOL CROSS-SECTION (TYP.)PROPOSED CENTERLINE ALIGNMENTPOINT BARPROPOSED 700 GRAM COIR EROSIONCONTROL MATTING, SEE DETAIL0.8'PROPOSED BKF WSEPROPOSED BKF WSEWIDTH VARIES PER PLAN3 : 1PROPOSED CENTERLINE ALIGNMENTAPOOL = 12.8 FT2WPOOL = 11.9 FTDPOOL= 1.1 FTDMPOOL = 1.8 FTAPOOL/ABKF= 2.1WPOOL/WBKF = 1.3DMPOOL/DBKF = 2.8FLOODPLAIN2
:
13 : 1FLOODPLAIN3 : 1APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
CROSS-SECT.3.2
0+000+200+400+600+801+001+201+401+601+802+00ELEVATION (FT)ELEVATION (FT)STATION23802385239023952400238023852390239524000+000+200+400+600+801+001+201+401+601+802+002+09STA = 0+04.76ELV = 2393.37STA = 0+62.07ELV = 2391.98
STA = 1+24.98
ELV = 2389.87
STA = 0+93.91
ELV = 2391.58
STA = 0+93.91
ELV = 2391.58
STA = 1+66.86
ELV = 2389.87
STA = 1+66.86
ELV = 2389.87
STA = 0+33.56ELV = 2392.97STA = 0+33.56ELV = 2392.97
STA = 0+77.99
ELV = 2390.12
STA = 0+77.99
ELV = 2390.12
STA = 1+45.92
ELV = 2388.41
STA = 0+19.16ELV = 2391.51 3.6%3.5%5.5%3.5%2.2%APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ 1 INCH = 20 FEETFeet02040END PROPOSED ALIGNMENTAT EXISTING 48" CULVERTSTA = 2 + 08.52 FTELV = 2388.41 FTBEGIN PROPOSEDALIGNMENT ATEXISTING RIFFLESTA = 0 + 00 FTELV = 2393.54 FTCONSTRUCTED RIFFLESEE DETAILOFFSET BOULDER STEPSEE DETAILCASCADE FEATUREEND PROPOSED ALIGNMENTSTA = 2 + 08.52 FTELV = 2388.41 FTBEGIN PROPOSED ALIGNMENTSTA = 0 + 00.00 FTELV = 2393.54 FT (APPROX.)60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
PLAN - PROFILE 4.1CASCADE FEATURETRIBUTARY CONFLUENCE AT LOGJ-HOOK WITH BOULDER SILLEXISTING TREE TO REMAINEXISTING TREES TO REMAIN
0+000+200+400+600+800+97ELEVATION (FT)ELEVATION (FT)STATION23802385239023952400238023852390239524000+000+200+400+600+800+972.5%STA = 0+16.79
ELV = 2391.83
STA = 0+58.08
ELV = 2390.81
STA = 0+40.14
ELV = 2391.53
STA = 0+40.14
ELV = 2391.53
STA = 0+80.45
ELV = 2390.51
STA = 0+80.45
ELV = 2390.51
STA = 0+28.46
ELV = 2390.29
STA = 0+69.26
ELV = 2389.27 4.0%4.0%4.0%APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ 1 INCH = 20 FEETFeet02040PLUG AND FILLEXISTING CHANNELAND HILLSLOPE60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
PLAN - PROFILE 4.2BEGIN PROPOSED TRIBUTARYALIGNMENT AT EXISTING RIFFLESTA = 0 + 00 FTELV = 2392.50 FTBOULDER STEPSEE DETAILEND PROPOSED TRIBUTARY ALIGNMENTAT PAINT FORK CONFLUENCE AND LOGJ-HOOK WITH BOULDER SILLSTA = 0 + 96.72 FTELV = 2389.87 FTEXISTING TREE TOREMAINBEGIN PROPOSED ALIGNMENTSTA = 0 + 00 FTELV = 2392.50 FTEND PROPOSED ALIGNMENTAT CONFLUENCESTA = 0 + 96.72 FTELV = 2389.87 FT
APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ PLANTING TECHNIQUESA.PLANTINGS, TEMPORARY AND PERMANENT SEED SHALL EXTEND 25 FT OUTSIDE TOB AS SHOWN ON THE PLAN OR UP TOTHE PROPERTY BOUNDARY, DRIVEWAY OR OTHER STRUCTURE.B.INSURE THAT ROOTS, ONCE REMOVED FROM POT, ARE STRAIGHTENED AND FACE DOWNWARD.C.CREATE PLANTING AREA FOR EACH PLANT AND EXCAVATE PITD.PLACE PLANTS IN PIT INSURING ROOTS ARE FACING COMPLETELY DOWNWARDE.HEEL IN SOIL AROUND PLANT AND PROCEED TO NEXT PLANTING LOCATIONF.NEWLY-PLANTED PLANTS NEED TO BE FASTENED TO THE SUBSTRATE FOR THE ESTABLISHMENT OF NEW ROOTSG.ROOTS SHALL BE SPREAD IN THEIR NORMAL POSITION. ALL BROKEN OR FRAYED ROOTS SHALL BE CUT OFF CLEANLY.H.THE DIAMETER OF THE PLANTING HOLES (PITS) FOR EACH PLANT SHOULD BE AT LEAST THREE TIMES THE DIAMETER OFTHE ROOT MASS. SCARIFY THE PLANTING PIT PRIOR TO EACH PLANT INSTALLATION.I.SET PLANTS UPRIGHT IN THE CENTER OF THE PIT. THE BOTTOM OF THE ROOT MASS SHOULD BE RESTING ONUNDISTURBED SOIL.J.PLACE BACKFILL AROUND BASE AND SIDES OF ROOT MASS, AND WORK EACH LAYER TO SETTLE BACKFILL AND TOELIMINATE VOIDS AND AIR POCKETS. WHEN PIT IS APPROXIMATELY 23 FULL, WATER THOROUGHLY BEFORE PLACINGREMAINDER OF THE BACKFILL. WATER AGAIN AFTER PLACING FINAL LAYER OF BACKFILL.CONTAINER STOCK, LIVE STAKES AND BARE ROOT STOCKA.STOCK SHALL HAVE BEEN GROWN IN A CONTAINER LONG ENOUGH FOR THE ROOT SYSTEM TO HAVE DEVELOPEDSUFFICIENTLY TO HOLD ITS SOIL TOGETHER ONCE REMOVED FROM THE CONTAINER.B.CONTAINER PLANTS WILL NEED TO BE WATERED REGULARLY AND PLACED IN SHADY CONDITIONS UNTIL PLANTINGOCCURS.C.CUTTINGS SHOULD BE INSTALLED THE SAME DAY THEY ARE CUT. THE STAKE SHOULD BE ORIENTED WITH THE BUDSPOINTED UP, AND THE BOTTOM SHOULD BE CUT AT AN ANGLE FOR EASY INSERTION INTO THE GROUND.D.ABOUT FOUR-FIFTHS OF THE LENGTH OF THE STAKE SHOULD BE BELOW GROUND AND ANGLED DOWNSTREAM. AN IRONBAR CAN BE USED TO MAKE A PILOT HOLE TO PREVENT BARK FROM BEING DAMAGED DURING INSTALLATION.PLANT LOCATIONSA.NEW PLANTINGS SHALL BE LOCATED WHERE SHOWN ON PLAN EXCEPT WHERE CHANGES HAVE BEEN MADE BY THEPROJECT ENGINEER ONSITE.B.NECESSARY ADJUSTMENTS SHALL BE MADE ONLY AFTER APPROVED BY THE OWNER OR PROJECT ENGINEER.STREAMBANK AND BUFFER PLANTING SPECIFICATIONSLIVE STAKES, BARE ROOT STOCK AND / OR CONTAINERIZED PLANTS - 16,724 FT2 (0.38 AC)SCIENTIFIC NAMECOMMON NAMESIZE (CAL)SPACINGQTYLiriodendron tulipiferaTULIP POPLAR0.25" - 1.0"3 FT - 5 FT O.C.200Lindera benzoinSPICEBUSH0.50" - 1.0"3 FT - 5 FT O.C.250Platanus occidentalisSYCAMORE0.25" - 1.0"3 FT - 5 FT O.C.200Betula nigraRIVER BIRCH0.25" - 1.0"3 FT - 5 FT O.C.200Comus amomumSILKY DOGWOOD0.25" - 1.0"3 FT - 5 FT O.C.200PERMANENT SEEDING - 16,724 FT2 (0.38 AC)SCIENTIFIC NAMECOMMON NAMETYPEAPP. RATEQTY------RIPARIAN SEED MIXSEED4 LBS / 1000 SF70 LBSElymus virginicusVIRGINIA WILD RYESEED20 %.------Agrostis perennansAUTUMN BENT GRASSSEED15 %------Pancicum virgatumSWITCHGRASSSEED15 %------Redbeckia hirtaBLACK-EYED SUSANSEED10 %------Coreopsis lanceolataLANCELEAF COREOPSISSEED10 %------Andropogon gerardiiBIG BLUESTEMSEED10 %------Juncus effususSOFT RUSHSEED10 %------Schizachyrium scopariumLITTLE BLUESTEMSEED5 %------Sorghastrum nutansINDIAN GRASSSEED5 %------TEMPORARY SEEDING, MULCHING AND SOIL PREP - 16,724 FT2 (0.38 AC)SCIENTIFIC NAMECOMMON NAMETYPEAPP. RATEQUANTITYSecale CerealeRYE GRAINSEED5 LBS / 1000 SF85 LBS------GROUND AG. LIMESTONEPELLET45 LBS / 1000 SF750 LBS------10-10-10 FERTILIZERPELLET17 LBS / 1000 SF285 LBS------WHEAT STRAW MULCHSTRAW90 LBS / 1000 SF1,450 LBSRE-ESTABLISHMENT OF RIPARIAN VEGETATION - 16,724 FT2 (0.38 AC)60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
PLANTING PLAN 5.0Feet040801 INCH = 40 FEET
ELEVATION POINT DESCRIPTIONPOINT POINT DESCRIPTIONP.C.POINT OF CURVATURE, TAIL OF RIFFLEM.P.MAXIMUM POOL DEPTHP.T.POINT OF TANGENCY, HEAD OF RIFFLE1.THE CONSTRUCTED RIFFLE IS A RIVER RESTORATION DESIGN FEATURE THATINCORPORATES COARSE MATERIAL IN THE CHANNEL BOTTOM THAT WILL NOT BEMOBILIZED UNDER BANKFULL FLOW CONDITIONS. REPLACING (OR ADDING TO) THENATIVE CHANNEL BED MATERIAL WITH LARGER DIAMETER ROCK CREATES A RIFFLETHAT FUNCTIONS AS A RIGID GRADE CONTROL. LARGER ROCK MATERIALENHANCES FLOW DIVERSITY AND TURBULENCE UNDER BASE FLOW CONDITIONS,WHICH PROMOTES AQUATIC HABITAT AND RE-AERATION OF STREAM FLOWBENEFITING WATER QUALITY. THE D50, D85, D90 OR D100 PARTICLES OF THECONSTRUCTED MAY BE DESIGNED TO RESIST BKF WHILING ALLOWING SMALLERSUBSTRATE PARTICLES TO BE MOBILIZED AND REPLACED BY UPSTREAM SEDIMENTSEDIMENT SUPPLY.2.ALL CONSTRUCTED RIFFLE MATERIAL SHALL BE QUARRIED STONE UNLESS NATIVEMATERIAL OF SIMILAR SIZE IS AVAILABLE ONSITE AND MEETS THE CONSTRUCTEDRIFFLE SIZE SPECIFICATIONS. THE ENGINEER MUST APPROVE THE USE OF ALLONSITE NATIVE MATERIAL.3.CONSTRUCTED RIFFLE MATERIAL SHALL CONSIST OF 40% NC DOT CLASS A ROCK,40% NC DOT CLASS B ROCK AND 20% ASTM #57 OR CRUSH AND RUN. THE ROCKSIZES SHALL BE BLENDED TOGETHER ONSITE WITH ADDITIONAL EARTH UNTIL WELLGRADED. THE ENGINEER MUST APPROVE THE GRADATION AND BLEND OF ALLCONSTRUCTED RIFFLE MATERIAL.4.CONSTRUCTED RIFFLES SHALL BE INSTALLED WITH A MINIMUM COARSE MATERIALDEPTH OF 1.0 FT.5.FOR INSTALLATION, THE CONTRACTOR SHALL OVER EXCAVATE THE RIFFLE AMINIMUM OF 1.0 FT, INSTALL 700 GRAM COIR FIBER EROSION CONTROL MATTING,KEY MATTING INTO THE RIFFLE TRENCH AND BACKFILL WITH THE SPECIFIEDCOARSE RIFFLE MATERIAL TO THE ELEVATIONS SHOWN ON THE PROPOSEDPROFILE.6.CONSTRUCTED RIFFLE MATERIAL SHALL EXTEND A MINIMUM OF 3.0 FT U/S OF THEP.T. INTO THE GLIDE AND D/S TO THE P.C.7.P.T., P.C. AND M.P. ELEVATIONS ARE INCLUDED IN THE PROPOSED PLAN ANDPROFILE SHEETS.CONSTRUCTED RIFFLEDETAILED PROFILE - SECTION A - A'NOT TO SCALECONSTRUCTED RIFFLENOTESBASE FLOW WSECONSTRUCTED RIFFLEDETAILED XS - SECTION B - B'A B'BCONSTRUCTED RIFFLEDETAILED PLANFLOWP.C.EXTEND RIFFLE MATERIALINTO GLIDE MIN. 3.0 FTEXISTING EARTHOR FILL MATERIALRIFFLE SLOPEVARIES PER PROFILEEXTEND RIFFLE MATERIAL INTO GLIDE MIN. 3.0'POOLRIFFLEGLIDEKEY MATTING INTOCOARSE MATERIALA'P.T.P.C.P.T.CENTERLINETOE OF SLOPEBANKFULLGLIDE PROTECTIONOF NEXT RIFFLEPOOLPROPOSED BANKFULL WSEM.P.M.P.P.C.M.P.P.T.P.C.M.P.P.T.POOLRIFFLEPOOLNOT TO SCALECONSTRUCTED RIFFLE FROM P.T. TO P.C.RIFFLE MATERIALMINIMUM DEPTH = 1.0'SELECT RIFFLE MATERIAL40% NC DOT CLASS A40% NC DOT CLASS B20% ASTM #57EROSION CONTROL MATTINGCOIR 700 GRAMAPPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
CONSTR. RIFFLE 6.1
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ
FLOWA'AFLOW1.THE OFFSET BOULDER STEP IS A DESIGN FEATURE USED TO CONTROL GRADE IN HIGH IN GRADIENT REACHES ORAT CRITICAL JUNCTURES OF THE PROPOSED CHANNEL. THE OFFSET BOULDER STEP IS ALSO USED TO PROVIDEENERGY DISSIPATION, REDUCE NEAR BANK STRESS (NBS), AND CREATE A DIVERSITY OF AQUATIC HABITATTHROUGH SCOUR OF THE STREAM BED. THE BOULDER STEP IS COMPOSED OF A BOULDER SILL, WHICH IS A ROWOF BOULDERS SET AT AN ELEVATION PROVIDED IN THE PROPOSED PROFILE THAT SPANS PERPENDICULAR TO ANDSLIGHTLY ARCED ACROSS THE CHANNEL. THE BOULDER SILL EXTENDS APPROXIMATELY 1/3 OF THE CHANNELWIDTH IN THE CENTER OF THE CHANNEL. FROM THE EXTENTS OF THE SILL BOULDERS, TWO VANE ARMS EXTENDUP AND TOWARDS THE STREAM BANK, EVENTUALLY KEYING INTO THE BANK AT AN ELEVATION HIGHER THAN THESILL BOULDERS.2.ALL BOULDERS USED FOR THE OFFSET BOULDER STEP SHALL BE STRUCTURAL STONE, CUBICAL OR RECTANGULARIN SHAPE.3.DIMENSIONS AND SLOPES OF STRUCTURES DESCRIBED IN THE DETAIL MAY BE ADJUSTED BY DESIGN ENGINEER TOFIT CONDITIONS ONSITE.4.CONTRACTOR WILL BE REQUIRED TO FIT BOULDERS TOGETHER TIGHTLY.5.GAPS BETWEEN BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGING WITH NC DOTCLASS A AND SELECT MATERIAL OR CHINKING STONE APPROVED BY DESIGN ENGINEER, AND LINING WITH FILTERFABRIC.6.THERE SHALL BE NO DROP GREATER THAN 0.5 FT OVER A SINGLE STEP. BOULDERS SHALL BE 2 FT X 3.5 FT X 1.5 FT+/- 0.5 FT.7.NON-WOVEN GEOTEXTILE SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO PREVENT WASHOUTOF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTERBOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE.13 BKF13 BKF13 BKFWBKFSCOURPOOLOFFSET BOULDER STEPDETAILED PLANNOT TO SCALEOFFSET BOULDER STEPSECTION A - A'NOT TO SCALESCOUR POOLBELOW STEPNON-WOVENGEOTEXTILEHEADERBOULDERFOOTERBOULDEROFFSET BOULDER STEPCROSS-SECTIONNOT TO SCALEPROPOSED BANKFULL WSEKEY BOULDERS INTOSTREAM BANK @ 12 BKF STAGEKEY BOULDERS INTOSTREAM BANK MINIMUM 5.0 FT.ARM SLOPE = 2 - 4%PROPOSED BANKFULL WSEOFFSET BOULDER STEPNOTESSELECT BACKFILLBEHIND STRUCTUREHIGH DENSITYLIVE STAKINGKEY STRUCTUREINTO STREAM BANKMIN. 5.0 FTNON-WOVENGEOTEXTILEELV. PT. 1ELV. PT. 2ELV. PT. 3BANKFULLPLACE BOULDERS INTOSTREAMBED A MINIMUM OF THEBOULDER DIAMETERAPPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
BOULDER STEP 6.2
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ
FLOWA'A1.THE LOG J-HOOK WITH BOULDERS IS A DESIGN FEATURE USED TO PROVIDE ENERGY DISSIPATION, FLOWDIRECTION CONTROL AND TO REDUCE NEAR BANK STRESS. THIS STRUCTURE WILL ALSO ENCOURAGE POOLMAINTENANCE AND CREATE A DIVERSITY OF AQUATIC HABITAT THROUGH SCOUR OF THE STREAM BED. THE LOGJ-HOOK WITH BOULDERS IS COMPOSED OF A BOULDER SILL, WHICH IS A ROW OF BOULDERS SET AT AN ELEVATIONPROVIDED IN THE PROPOSED PROFILE THAT SPANS PERPENDICULAR TO AND SLIGHTLY ARCED ACROSS THECHANNEL. THE BOULDER SILL EXTENDS EXTENDS FROM A LOG VANE ARM INTO THE OPPOSITE STREAMBANK. THELOG VANE ARM EXTENDS UP AND TOWARDS THE OUTSIDE STREAM BANK, EVENTUALLY KEYING INTO THE BANK ATAN ELEVATION HIGHER THAN THE SILL BOULDERS.2.ALL BOULDERS USED FOR THE BOULDER SILL SHALL BE STRUCTURAL STONE, CUBICAL OR RECTANGULAR INSHAPE.3.DIMENSIONS AND SLOPES OF STRUCTURES DESCRIBED IN THE DETAIL MAY BE ADJUSTED BY DESIGN ENGINEER TOFIT CONDITIONS ONSITE.4.CONTRACTOR WILL BE REQUIRED TO FIT LOGS AND BOULDERS TOGETHER TIGHTLY. ALL LOGS AND BOULDERSSHALL BE INSTALLED WITH FOOTERS.5.GAPS BETWEEN LOGS AND BOULDERS SHALL BE MINIMIZED BY FITTING BOULDERS TOGETHER AND PLUGGINGWITH NC DOT CLASS A, WOODY DEBRIS AND SELECT MATERIAL OR CHINKING STONE APPROVED BY DESIGNENGINEER, AND LINING WITH FILTER FABRIC.6.THE LOG VANE SHALL EXTEND INTO THE OUTSIDE STREAMBANK AND STREAMBED A MINIMUM OF 6.0 FT ON EACHEND.7.THE BOULDER SILL SHALL EXTEND A MINIMUM OF 5.0 FT INTO THE INSIDE STREAM BANK.8.BOULDERS SHALL BE 2 FT X 3.5 FT X 1.5 FT +/- 0.5 FT. MINIMUM LOG DIAMETER IS 1.0 FT.9.NON-WOVEN GEOTEXTILE SHALL BE PLACED ON THE UPSTREAM SIDE OF THE STRUCTURE TO PREVENT WASHOUTOF SEDIMENT THROUGH BOULDER GAPS. FILTER FABRIC SHALL EXTEND FROM THE BOTTOM OF THE FOOTERBOULDER TO THE FINISHED GRADE ELEVATION AND SHALL BE PLACED THE ENTIRE LENGTH OF THE STRUCTURE.13 BKF13 BKF13 BKFWBKFSCOURPOOLLOG J-HOOK WITH BOULDERSDETAILED PLANNOT TO SCALELOG J-HOOK WITH BOULDERSSECTION A - A'NOT TO SCALESCOUR POOLBELOW STEPNON-WOVENGEOTEXTILEHEADERBOULDERFOOTERBOULDERLOG J-HOOK WITH BOULDERSCROSS-SECTIONNOT TO SCALEPROPOSED BANKFULL WSEKEY LOG INTO STREAM BANK @12 BKF STAGEEXTEND LOG INTO STREAMBANKMINIMUM 6.0 FT.LOG SLOPE = 2 - 4%PROPOSED BANKFULL WSELOG J-HOOK WITH BOULDERSNOTESSELECT BACKFILLBEHIND STRUCTUREHIGH DENSITYLIVE STAKINGBURY LOGS INTOSTREAMBANKMIN. 6.0 FTNON-WOVENGEOTEXTILEBANKFULLPLACE BOULDERS INTOSTREAMBED A MINIMUM OF THEBOULDER DIAMETERFLOWEXTEND BOULDER SILL INTOSTREAMBANK MIN 5.0 FTHEADER LOGFOOTER LOGAPPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
LOG J-HOOK 6.3
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ
3'BANKFULL2.5' (TYP)6" MIN. HORIZONTALOVERLAP2.5'(TYP)2.5'(TYP)2'(TYP)2'(TYP)6" MIN. VERTICALOVERLAPAA'700 GRAM COIR FIBER MATTINGFROM TOE OF CHANNEL TO3 FT BEYOND BANKFULLBANKFULLCHANNEL TOE OF SLOPE700 GRAM COIRMATTING2' LONG 2" x 2" WOOD STAKESw/ 3" GALVANIZED ROOFING NAILAT THE TOP TO SECURE MATTING6" MIN. HORIZONTALOVERLAPEROSION CONTROL MATTINGDETAILED STAKING PLANNOT TO SCALEEROSION CONTROL MATTINGDETAILED PLANNOT TO SCALE1.EROSION CONTROL MATTING IS USED TO PROTECT RECENTLYCONSTRUCTED STREAM BANKS FROM EROSION. THE MATTING WILLREMAIN INTACT WHILE THE BANK AND RIPARIAN VEGETATION MATURES,PROVIDING CRITICAL BANK PROTECTION.2.BEFORE INSTALLING COIR FIBER BLANKET, RAKE SOIL LEVEL AND ADDSEED, FERTILIZER, LIME AND MULCH.3.700 GRAM COIR FIBER EROSION CONTROL MATTING SHALL BE PLACEDALONG THE LENGTH OF THE NEW CHANNEL FROM THE TOE OF SLOPEOUT TO A MINIMUM OF 3 FT BEYOND THE BANKFULL ELEVATION.4.SECURE COIR MATTING IN PLACE BY STAKING AND OVERLAPPING ATTHE SEEMS WITH A SHINGLE-TYPE METHOD SUCH THAT THEOVERLAPPING PIECE IS IN THE SAME DIRECTION AND AS THE STREAMFLOW. ADDITIONAL STAKING SHALL BE APPLIED BY THE CONTRACTORAT NO ADDITIONAL COST IF THE MATTING SEPARATES FROM THE SOILMORE THAN ONE INCH UNDER A REASONABLE PULL.700 GRAM COIR FIBER MATTINGSUPPLEMENT WOODEN STAKESWITH 12" ECO-STAKES2' LONG 2" x 2" WOOD STAKESw/ 3" GALVANIZED ROOFING NAILAT THE TOP TO SECURE MATTINGEROSION CONTROL MATTINGDETAILED CROSS-SECTION A - A'NOT TO SCALEEROSION CONTROL MATTINGNOTESKEY INTO EARTHMIN 0.5'APPROVED :
CHECK :
DRAWN :
DESIGN :
PROJECT
NAME :
SCALE :
DATE :
PROJECT #
PHASE #
60% PLANS - PERMITTING
BARNARDSVILLE, NC 28709
365 PAINT FORK ROAD
PAINT FORK RESTORATION
E.C. MATTING 6.4
JLP
JLP, JZ, GDJ PAINT FORK
AS NOTED
JULY 31, 2017
GDJ