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Home My WebLink About20201975 Ver 1_Pre-Filing Meeting Request_20201217ID#* 20201975 Version* 1 Regional Office* Raleigh Regional Office - (919) 791-4200 Reviewer List* Stephanie Goss Pre -Filing Meeting Request submitted 12/17/2020 Contact Name * Contact Email Address* Project Name* Project Owner* Project County* Owner Address: Connor Brown cbrown@kbeng.org 132 New Castle Dr. Stream Improvements James Sanders Durham Street Address 132 New Castle Dr. Address Line 2 aty Chapel Hill Rbstal / Zip Code 27517 Is this a transportation project?* r Yes r No Type(s) of approval sought from the DWR: W 401 Water Quality Certification - F 401 Water Quality Certification - Regular Express r- Individual Permit r- Modification r- Shoreline Stabilization Does this project have an existing project ID#?* r Yes r No State / Frovince / Region NC Country United States Do you know the name of the staff member you would like to request a meeting with? Please give a brief project description below. * THE STREAM ON THE PROPERTY OF 132 NEW CASTLE DR. IS EXPERIENCING CHANNELIZATION, INCISION, AND BANK EROSION. THIS POSES A FUTURE THREAT TO A NEIGHBORING PROPERTY, AND THE HOMEOWNERS DESIRE A HEALTHIER AND MORE FUNCTIONAL STREAM. THE HOMEOWNERS ATTEMPTED TO REMEDY THIS WITH THE USE OF THEIR LANDSCAPE CONTRACTOR, HOWEVER DID NOT REALIZE THE PERMITS REQUIRED TO PERFORM WORK IN WATERS OF THE U.S.. THE SCOPE OF THIS PROJECT INCLUDES RESTORATION OF THE STREAM REACH- REALIGNMENT OF THE MAIN CHANNEL TO ADDRESS HAIRPIN TURNS, AND STREAM BANK STABILIZATION THROUGH GRADING AND RIPARIAN PLANTINGS. Please give a couple of dates you are available for a meeting. 12/28/2020 12/29/2020 12/30/2020 12/31 /2020 1 /4/2021 Please attach the documentation you would like to have the meeting about. NEWCASTLE_KBE_121720_B&W.pdf 3.27MB pdf only By digitally signing below, I certify that I have read and understood that per the Federal Clean Water Act Section 401 Certification Rule the following statements: • This form completes the requirement of the Pre -Filing Meeting Request in the Clean Water Act Section 401 Certification Rule. • I understand by signing this form that I cannot submit my application until 30 calendar days after this pre -filing meeting request. • I also understand that DWR is not required to respond or grant the meeting request. Your project's thirty -day clock started upon receipt of this application. You will receive notification regarding meeting location and time if a meeting is necessary. You will receive notification when the thirty -day clock has expired, and you can submit an application. Signature 6W-a-t fflteAW Submittal Date 12/17/2020 LO D LODLODLODLODLODLOD LODLODLODLODLODL O D L O D L O D L O D L O D L O D LODLOD LODLODLODLODLODLODLODLODLODLODL O D L O D L O D LO D L O D LO D LODLODLODLOD Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 1 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS COVER CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERE 132 NEW CASTLE DR. STREAMIMPROVEMENTS SHEET INDEX:1.COVER2.NOTES3.EXISTING CONDITIONS & DEMOLITION4.SCHEMATIC5.IMPACT MAP6.GRADING PLAN7.SECTIONS8.PLANTING PLAN9.CONSTRUCTION DETAILS10.CONSTRUCTION DETAILS (2) Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 2 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS NOTES CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERE PROJECT NARRATIVE:THE STREAM ON THE PROPERTY OF 132 NEW CASTLE DR. ISEXPERIENCING CHANNELIZATION, INCISION, AND BANK EROSION.THIS POSES A FUTURE THREAT TO A NEIGHBORING PROPERTY, ANDTHE HOMEOWNERS DESIRE A HEALTHIER AND MORE FUNCTIONALSTREAM. THE HOMEOWNERS ATTEMPTED TO REMEDY THIS WITH THEUSE OF THEIR LANDSCAPE CONTRACTOR, HOWEVER DID NOTREALIZE THE PERMITS REQUIRED TO PERFORM WORK IN WATERS OFTHE U.S.. THE SCOPE OF THIS PROJECT INCLUDES RESTORATION OFTHE STREAM REACH- REALIGNMENT OF THE MAIN CHANNEL TOADDRESS HAIRPIN TURNS, AND STREAM BANK STABILIZATIONTHROUGH GRADING AND RIPARIAN PLANTINGS. ALL WORK SHALL BESUBJECT TO THE DIRECTION AND INSPECTION OF THE PROJECTENGINEER, WITH ANY DEVIATIONS FROM THE DESIGN PLANS BEINGCLEARED WITH THE ENGINEER ON SITE PRIOR TO EXECUTION.CONSTRUCTION FOR THIS PROJECT SHOULD LAST FROM 5 TO 10DAYS WITH ALL WORK BEING COMPLETED IN DRY WEATHERCONDITIONS.ENGINEER'S NOTES:1. FIELD ADJUSTMENTS MAY BE NECESSARY DURING CONSTRUCTION,AND SHALL BE PERMITTED WITH APPROVAL FROM THE PROJECTENGINEER.2. MATERIALS LISTS ARE PROVIDED AS AN APPROXIMATION ONLY. CONTRACTOR SHALL INDEPENDENTLY VERIFY THE NUMBER AND AMOUNT OF STONE, BACKFILL, OR OTHER ITEMS NECESSARY TO PROPERLY COMPLETE THE JOB.3. THE CONTRACTOR SHALL CALL THE “CALL BEFORE YOU DIG” TOLLFREE NUMBER TO MAKE SURE THAT ALL UTILITIES ARE LOCATEDAND MARKED. ANY DAMAGE TO EXISTING UTILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR.4. ANY DAMAGE RESULTING FROM ACTIONS OF THE CONTRACTORTO STRUCTURES OR GROUNDS ON SITE WILL BE REPAIRED ORREPLACED AT THE EXPENSE OF THE CONTRACTOR, TO A QUALITY MEETING OR EXCEEDING THEIR PREVIOUS STANDARDS.5. THE CONTRACTOR IS TO ENSURE PUBLIC SAFETY DURING ALL PHASES OF CONSTRUCTION.6. THE CONTRACTOR IS RESPONSIBLE FOR CLEARING AND DISPOSING OF ANY MAN-MADE MATERIALS OR OTHER DEBRISTHAT LIE WITHIN THE CONSTRUCTION LIMITS, AS REQUESTED AND APPROVED BY THE PROJECT ENGINEER.EROSION CONTROL NOTES:1. ALL SLOPES SHALL BE SEEDED AND STABILIZED WITH A DENSE COVERAGE OF GRASS. ANY EXPOSED OR BARE SLOPES SHALLBE RE-SEEDED OR PROTECTED WITH EROSION CONTROL MATTING. EROSION CONTROL MATTING SHALL BE COIR MATTING WITH OPENINGS OF NO MORE THAN 0.5 INCHES.2. ALL BACKFILL SHALL BE SUITABLE FOR PLANT GROWTH AND GENERALLY FREE OF DEBRIS OR OTHER MATERIAL GREATER THAN 2 INCHES IN SIZE.3. ALL ELEVATIONS AND CHANNEL DIMENSIONS SHALL BE MET WITHINA TOLERANCE OF 0.1'4. STABILIZATION MEASURES SHALL BE IMPLEMENTED AS SOON AS POSSIBLE FOLLOWING COMPLETED AREAS OF CONSTRUCTION.SPECIFIC SEEDING REQUIREMENTS ARE PROVIDED IN THE PLANTING PLAN.5. PROVIDE TEMPORARY OR PERMANENT GROUNDCOVER ON ALLEXPOSED AREAS WITHIN 7 CALENDAR DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PROVIDE A PERMANENT GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN 14 WORKING DAYS FOLLOWING COMPLETION OF CONSTRUCTION OR DEVELOPMENT.6. THE CONTRACTOR MUST TAKE NECESSARY ACTION TO MINIMIZETHE TRACKING OF MUD TO OFF SITE AREAS. THE CONTRACTORSHALL DAILY REMOVE MUD/SOIL FROM PAVEMENT, AS MAY BEREQUIRED.7. THE CONTRACTOR SHALL ACCOMPLISH ALL STREAMBANK EXCAVATION FROM OUTSIDE THE ACTIVE CHANNEL WHENEVER POSSIBLE. ALL DISTURBED STREAMBANK MUST BE STABILIZED WITH SEEDING, MULCH AND EROSION CONTROL MATTING BY THE END OF EACH WORKDAY.MATERIALS ESTIMATES:TOTAL DISTURBED AREA: 0.175 ACEARTHWORK:CUT- 140 CYFILL- 65 CYNET- 75 CY CUTBOULDERS: 2 TN SMALL BOULDERSCLASS A STONE: 17 TNCLASS B STONE: 17 TNCLASS 1 STONE: 19 TN#57 STONE: 10 TNCOIR MATTING: 300 SYLIVE STAKES: 400GENERAL CONSTRUCTION SEQUENCE:1. PERFORM CLEARING, GRUBBING, AND DEBRIS REMOVAL AS SHOWN ONTHE PLANS FOR CONSTRUCTION ACCESS TO THE STREAM.2. INSTALL STREAM PUMP AROUND TO PROTECT WORK AREA ALONG BANK.3. REMOVE AND STOCKPILE ALL STONE WITHIN THE EXISTING CHANNEL.4. CUT PROPOSED CHANNEL AND MOVE. DO NOT OPEN PROPOSED CHANNEL FOR WATER TO FLOW THROUGH.5. BUILD INSTREAM STRUCTURES WITHIN NEWLY CONSTRUCTED CHANNEL. FILL CHANNEL BOTTOM WITH STONE.6. COVER DISTURBED SIDE SLOPES WITH COIR MATTING.7. OPEN NEW CHANNEL FOR WATER TO FLOW THROUGH. FILL IN THE EXISTING CHANNEL.8. PLANT THE CHANNEL ACCORDING TO THE PLANTING PLAN.9. SEED ALL DISTURBED NON-PAVED AREAS. SEEDING AND MULCHING PERTHE APPROVED PLANS AND SPECIFICATIONS.10. REQUEST A FINAL INSPECTION BY THE PROJECT ENGINEER.GENERAL NOTES:1. TREES, SHRUBS, AND HEDGES: THE CONTRACTOR SHALL PROTECT ALL TREESAND SHRUBS OUTSIDE OF THE LIMITS OF DISTURBANCE. THE CONTRACTORIS ALSO REQUESTED TO SAVE ALL OTHER EXISTING TREES AND SHRUBSWHERE POSSIBLE INSIDE OF THE LOD. TREE ROOTS EXPOSED AND/OR DAMAGED DURING CONSTRUCTION SHALL BE PRUNED USING EQUIPMENTSPECIFICALLY DESIGNED FOR PRUNING.2. GRASSED SURFACE RESTORATION: ALL EXISTING GRASSED AREASDISTURBED DURING CONSTRUCTION ARE TO BE SEEDED AND MULCHED PERTHE SPECIFICATIONS UNLESS OTHERWISE INDICATED ON THE DRAWINGS ORAS DIRECTED BY THE ENGINEER.3. ALL CONSTRUCTION SHALL BE IN STRICT ACCORDANCE WITH THE TOWN OF CHAPEL HILL AND/OR NCDOT STANDARD DETAILS AND SPECIFICATIONS.4. ANY DISTURBANCE WITHIN THE RIGHT-OF-WAY WILL BE REQUIRED TO BEREPLACED TO THE TOWN OF CHAPEL HILL AND/OR NCDOT STANDARDS AND INSPECTED. LODLODLODLODLODLODLO D LO DLOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD LODLODLODLODLODLODLODDrawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 3 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS EXISTING CONDITIONS & DEMOLITION CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERE 10LEGEND:SEWER LINE/EASEMENTPROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTPROPERTY BOUNDARYFeet02040SAVE IF POSSIBLESAVE IF POSSIBLESAVE IF POSSIBLE1 INCH= 10 FEETLODLIMIT OF DISTURBANCETREE TO DEMOEXISTING MAJOR CONTOUREXISTING MINOR CONTOUR LODLODLODLODLODLODLO D LO DLOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD LODLODLODLODLODLODLODDrawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 4 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS SCHEMATIC CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERE 101 INCH= 10 FEETCONSTRUCTEDRIFFLES, TYP (SEEDETAIL 1.9)POOLSSTONE TOE-USE EXISTING STOCKPILEDROCKOLD CHANNEL FILL AREAEPHEMERAL RIP RAPCHANNELSBOULDER TOE (SEE DETAIL 3.9)RIP RAP DISSIPATOR POOL(SEE DETAIL 2.10)RIP RAP APRONSLOPED PLANTING ZONE-PLANT LIVE STAKESPEDESTRIAN BRIDGELOCATIONLEGEND:SEWER LINE/EASEMENTPROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTPROPERTY BOUNDARYOLD CHANNEL FILL AREASLOPED PLANTING ZONEFeet02040STONE/RIP RAPSLOPED GRADING ZONELODLIMIT OF DISTURBANCEEXISTING MAJOR CONTOUREXISTING MINOR CONTOUR Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 5 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS IMPACT MAP CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERELEGEND:SEWER LINE/EASEMENTPROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTPROPERTY BOUNDARYEXISTING BUFFER LINEPROPOSED BUFFER LINEIMPACTS TABLEZONE 1ZONE 2TEMPORARYPERMANENTTOTALEXISTING MAJOR CONTOUREXISTING MINOR CONTOUR201 INCH= 20 FEETFeet04080 0+000+501+001+502+002+46 LODLODLODLODLODLODLOD LO DLOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLOD LODLODLODLODLODLODLOD256257258259260261262263 264 261262263 260259256259 258 257257258255 258260259258259261257258259259 260 2612592 5 9 2 6 0 2612602592582572612592602622612602582592602 6 0ElevationStationMAIN REACH PROFILE250251252253254255256257258259260261262263264265250251252253254255256257258259260261262263264265-0+30-0+20-0+100+000+100+200+300+400+500+600+700+800+901+001+101+201+301+401+501+601+701+801+902+002+102+202+302+402+502+602+702+80-0+30-0+20-0+100+000+100+200+300+400+500+600+700+800+901+001+101+201+301+401+501+601+701+801+902+002+102+202+302+402+502+602+702+80-100.00%0.00%70.50%0.00%-0.90%-5.41%4.32%-0.83%-2.69%2.38%-2.50%-5.04%STA:0+00.00ELEV:258.64STA:0+01.75ELEV:256.89STA:0+09.75ELEV:256.89STA:0+11.75ELEV:258.30STA:0+16.75ELEV:258.30STA:0+61.00ELEV:257.90STA:0+79.50ELEV:256.89STA:0+98.00ELEV:257.70STA:1+34.00ELEV:257.40STA:2+04.40ELEV:254.97STA:2+46.47ELEV:255.97STA:1+60.00ELEV:256.70STA:1+80.00ELEV:256.20Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 6 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS GRADING PLAN CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERE Feet02040101 INCH= 10 FEETRIP RAPDISSIPATIONPOOLEXISTING THALWEGPOOL(2ND EPHEMERAL CHANNELTIES IN HERE)POOL WITHSTONE TOECONSTRUCTED RIFFLERIP RAP APRONPROPOSED THALWEGLEGEND:PROPOSED CONTOUREXISTING MAJOR CONTOUREXISTING MINOR CONTOURSEWER LINE/EASEMENTPROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTPROPERTY BOUNDARYPROPOSED CONTOUREXISTING CONTOURLODLIMIT OF DISTURBANCE ElevationOffset0+54.40AS VIEWED LOOKING DOWNSTREAM(BRIDGE RIFFLE CROSSING)2502552602652702502552602652700510150-5-10-152.2:11.1:13.653.003.71ElevationOffset0+79.84AS VIEWED LOOKING DOWNSTREAM(1ST POOL)2502552602652702502552602652700510150-5-10-152.1 :10.7:11.973.008.45ElevationOffset1+11.68AS VIEWED LOOKING DOWNSTREAM(RIFFLE)2502552602652702502552602652700510150-5-10-152.0 :11.9:14.493.006.60ElevationOffset2+04.63AS VIEWED LOOKING DOWNSTREAM(POOL)2502552602652702502552602652700510150-5-10-151.0:11.7:17.443.009.42Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 7 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS SECTIONS CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHEREEXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEEXISTING GRADEPROPOSEDGRADEFOR ALL SECTIONS:Feet0102051 INCH= 5 FEETVERTICAL EXAGGERATION: 1V:1H LODLODLODLODLODLODLO D LODLOD LODLODLODLODLODLODLODLODLODL O D L O DLODLOD LODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODLODDrawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 8 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS PLANTING PLAN CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERELEGEND:SEWER LINE/EASEMENTPROPERTY BOUNDARYOLD CHANNEL FILL AREA- LIVESTAKES, PERMANENT GRASS SEEDSLOPED PLANTING ZONE- LIVE STAKES,PERMANENT GRASS SEEDSTONE/RIP RAPSLOPED GRADING ZONE- LIVE STAKES,COIR MATTING, PERMANENT GRASSSEED5.PERMANENT SEEDING SHALL NOT CONTAIN ANY FESCUEGRASSES. PLACE SEEDING AS SPECIFIED IN THE PLAN(UNDER THE COIR MATTING).6.SPREAD SEED UNIFORMLY UNDER COIR FIBER MATTINGALONG CHANNEL BANKS.7.STABILIZE ALL EXPOSED AREAS AT STREAM BANKS WITH THEPERMANENT RIPARIAN BUFFER SEED MIX.8.LIVE STAKES PLANTED IN COIR MATTING TO BE SPACED ASSHOWN IN LIVE STAKE DETAIL (SHEET 9).LIVE STAKES QUANTITY:SILKY DOGWOOD- 200SILKY WILLOW- 2009.WATER SEEDED AREAS AND LIVE STAKES THOROUGHLY ATPLANTING AND WEEKLY DURING THE FIRST GROWINGSEASON.10.LIVE STAKES AND SEEDED AREAS SHALL BE WARRANTEDFOR 80% SURVIVAL AT ONE-YEAR AFTER PLANTING. IF ATTHE END OF ONE-YEAR 20% OR MORE ARE DEAD ORDEAD-LIKE CONDITION, RE-PLANTING OF SUFFICIENTSTOCK TO COMPLY WITH AN 80% SURVIVAL RATE SHALLBE PERFORMED.11.SEE TECHNICAL SPECIFICATIONS FOR ADDITIONALINSTRUCTIONS AND REQUIREMENTS.SEEDING AND LIVE STAKING NOTES:1.RE-SEED ALL SLOPES AND DISTURBED AREAS AS DIRECTED. TEMPORARY SEEDING OF: 120 LBS/ACRE RYEGRAIN - OCTOBER THROUGH MARCH 40 LBS/ACRE BROWNTOP MILLET-APRIL THROUGHSEPTEMBER PERMANENT GRASS SEEDING OF: 150 LBS/ACRE HULLED BERMUDAGRASS (WARM SEASON) 150 LBS/ACRE UNHULLED BERMUDAGRASS (COLD SEASON)2.APPLY FERTILIZER (10-20-20) AT A RATE OF 500LBS/AC ANDLIME AT 2000LBS/ACRE.3.SPREAD STRAW MULCH ON ANY DISTURBED AREAS AT ARATE OF 1.5 TONS /ACRE.4.COVER ALL DISTRUBED SLOPES 2(H):1(V) AND GREATERWITH COIR MATTING OVER STRAW AND SECURE WITHWOODEN STAKING (SHEET 10).AREA FOR RESEEDING: 0.175 ACGENERAL PLANTING NOTES:1.ALL INVASIVE SPECIES TO BE REMOVED FROM ALL ZONES BEFORE PROCEEDING WITHPLANTINGS.2.ALL PLANTS SHALL BE INSPECTED AND APPROVED BY THE PROJECT ENGINEER PRIOR TOINSTALLATION. PLANTING LOCATIONS ARE APPROXIMATE AND MUST BE APPROVED BY THEPROJECT ENGINEER PRIOR TO INSTALLATION.3.AREAS TO BE PLANTED ARE SHOWN ON THE PLAN. IF UTILITIES ARE ENCOUNTERED, PLANTSMAY BE REPOSITIONED TO AVOID IMPACT.4.PLANTS AND PLANTING SHALL MEET THE STANDARDS OF ANSI Z60.1 AND ANSI A 300 AND BECOMPLETED ACCORDING TO PROJECT SPECIFICATIONS.5.ALL PLANTS, SPECIES, QUANTITIES, AND PROVIDERS SHALL BE PROVIDED FOR APPROVAL BYTHE PROJECT ENGINEER. ALL TREES SHALL BE MADE AVAILABLE FOR INSPECTION FORHEALTH AND QUALITY PRIOR TO DELIVERY TO THE SITE. ALL PLANTS ARE SUBJECT TO REFUSALBASED ON INSPECTION OF THE PROJECT ENGINEER.6.ALL PLANTING SHALL BE DONE IN A SUITABLE SEASONAL TIMEFRAME FOR EACH SPECIES.7.CONTRACTOR SHALL PROVIDE FOR ONE YEAR VEGETATION MAINTENANCE, WHICH SHALLINCLUDE WATERING, FERTILIZATION, PEST CONTROL, PRUNING, REPLANTING, OR OTHERNEEDS TO ENSURE ESTABLISHMENT AND SURVIVAL IN THE FIRST YEAR.8.SEE TECHNICAL SPECIFICATIONS FOR ADDITIONAL INSTRUCTIONS AND REQUIREMENTS.SOIL PREPARATION REQUIREMENTS:PRIOR TO ALL SEEDING, PLANTING, AND STABILIZATION,THE PLANTING SURFACE SHALL BE ROUGHENEDMECHANICALLY SUCH THAT PLACED SEED AND FERTILIZERWILL NOT WASH DOWNSLOPE. FOLLOWING SOILPREPARATION, PLANT AND STABILIZE SLOPES ACCORDINGTO THE PLANTING PLAN AND TECHNICAL DETAILS.101 INCH= 20 FEETFeet02040PROPOSED STREAM ALIGNMENTEXISTING STREAM ALIGNMENTLODLIMIT OF DISTURBANCE Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 9 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS DETAILS CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERENOTES:FLOWSEQUENCE OF CONSTRUCTION FOR TYPICAL PUMP AROUNDPUMP AROUND PUMP1. EXCAVATION SHALL BE PERFORMED IN ONLY DRY SECTIONS OF CHANNEL.2. THE CONTRACTOR SHALL NOT DISTURB MORE AREA THAN CAN BESTABILIZED IN ONE WORKING DAY.3. THE PUMP AROUND PUMP SHOULD ADEQUATELY CONVEY 1 CFS FOR NEWCASTLE STREAM.4. PROVIDE STABILZED OUTLET TO STREAM BANK.EXISTINGCHANNELTEMPORARYPIPING1. THE CONTRACTOR WILL INSTALL THE PUMP AROUND PUMP AND THE TEMPORARY PIPING THAT WILL CONVEYTHE BASE FLOW FROM UPSTREAM OF THE WORK SITE.2. THE CONTRACTOR WILL PERFORM STREAM RESTORATION WORK IN ACCORDANCE WITH THE PLAN ANDFOLLOWING THE GENERAL CONSTRUCTION SEQUENCE.3. ONCE THE WORKING AREA IS COMPLETED, STABILIZE DISTURBED AREAS WITH SEED AND MULCH.CLASS I RIPRAP SPLASHPADTYPICAL PUMP AROUND OPERATIONAPLAN VIEWFLOWPROFILE A-AHEAD OF RIFFLEELEVATION POINTAHEAD OF RIFFLEELEVATION POINTGLIDERIFFLESECTION B-BBBTOP OF BANK(TYP)TAIL OF RIFFLEHEAD OF POOLELEVATIONPOINTTOP OFBANK (TYP)TOE OF SLOPE(TYP)FORM HORSESHOE OF BEDMATERIAL AT UPSTREAMAND DOWNSTREAM RIFFLEEXTENTSNOTEHORSESHOE NOT REQUIREDWHERE RIFFLE TIES INTO DRAINAGESTRUCTURE OR STREAM GRADECONTROL STRUCTURE (I.E. LOG SILL,J-HOOK, CROSS VANE, ETC.)TOE OF SLOPETAIL OF RIFFLEELEVATION POINTRIFFLE STONETO TIE INTO CHANNELBANKS 0.5'12" DEPTH OFEQUAL PARTS CLASSA, B, AND #57 STONE.CONSTRUCTED RIFFLEMIX IN RECYCLED EXISTINGSUBSTRATE AS POSSIBLE~1.5'EXISTING SOILFRONT FACE OF BOULDERS MAINTAINA SLIGHT SET-BACKPROPOSEDGRADEBOULDER BANK PROTECTION STRUCTURE NOTES:1. BOULDERS MUST BE AT LEAST 2.5'x2.0x1.5'. CLASS 1OR LARGER STONE MAY BE SUBSTITUTED WITH APPROVAL BY THE PROJECT ENGINEER.2.DIG A SHALLOW TRENCH BELOW THE BED FORBOULDERS, AND LINE WITH FABRIC. START AT BANKAND PLACE BOULDERS. CONTINUE WITH WALL,FOLLOWING EXISTING BANK.3.REUSE EXISTING RIVER ROCK TO FILL GAPSBETWEEN BOULDERS AS NEEDED.4.BANK TO BE SLOPED UP TO DESIGN GRADE ABOVEBOULDER.21BOULDER BANK PROTECTIONLIVE STAKELIVE STAKE DETAILPLAN VIEWCROSS-SECTIONTOP OF STREAMBANKNOTES1. STAKES SHALL BE CUT AND INSTALLED ON THE SAME DAY.2. STAKES THAT HAVE BEEN SPLIT SHALL BE REJECTED ANDNOT USED FOR CONSTRUCTION.3. STAKES SHALL BE INSTALLED WITH BUDS POINTINGUPWARD.4. STAKES SHALL BE INSTALLED PERPENDICULAR TO BANK.5. STAKES SHALL BE 0.5" - 2" INCHES IN DIAMETER AND 30" INLENGTH MINIMUM.6. STAKES SHALL BE INSTALLED WITH APPROXIMATELY 3" OFSTAKE REMAINING ABOVE GROUND.7. STAKE SPACING SHALL BE 3' ON CENTER HORIZONTALLYAND VERTICALLY, AND 2.1' CENTERS DIAGONALLY.STAKES SHALL BEPLANTED & INSTALLEDFROM TOP OF BANK TOTOE OF SLOPE2.1'1' MAXANGLE CUT TO45 DEGRESSLIVE CUTTING 0.5" - 2" DIABUDS FACING UPWARDSQUARE CUT TOP30" IN LENGTHMINIMUMTOP OFSTREAMBANKTOP OFSTREAMBANKTOE OF SLOPETOE OF SLOPESLOPE BANK PERPLAN SHEETS2'-3' BETWEEN STAKES,DEPENDING ON LOCATION,SEE NOTE 7 BELOW1' MAX3.0'WRAP FILTER FABRIC AROUND STONE Drawing:File No.Description ApprovedDate REVISIONS Checked Drawn DesignedSheet 10 of 10RS 132 NEW CASTLE DR STREAM IMPROVEMENTS DETAILS (2) CB CB NEWCASTLE_KBE.DWGKris Bass Engineering Raleigh, NC Firm# P-1133 919.960.1552 (c) WWW.kbeng.org PROGRESS DRAWING- FOR REVIEW ONLY 132 NEW CASLTE LN, CHAPEL HILL, NC 27517SEALHERECROSS-SECTIONFOLLOWING DIMENSIONS:GREEN ECO-STAKE OR APPROVED EQUAL WITH THETHE WOOD STAKE SHALL BE THE NORTH AMERICAN12.00 IN (30.48 CM)0.40 IN (1.02 CM)0.60 IN (1.52 CM) (TAPERED TO POINT)0.40 IN (1.02 CM)1.25 IN (3.18 CM)11.00 IN (27.94 CM)TOTAL LENGTHLEG THICKNESSLEG WIDTHHEAD WIDTHLEG LENGTHHEAD THICKNESSTYPICAL TRENCH STAKEPLAN VIEWEROSION CONTROL MATTING NOTES1.BANKS SHALL BE SEEDED (PERMANENT & TEMPORARY) PRIOR TO PLACEMENT OFMATTING.2. WOODEN STAKES SHALL BE PLACED IN A DIAMOND SHAPE PATTERN PER THE PLANVIEW.3. TRENCH STAKES AND WOOD STAKES SHALL BE PLACED A MAXIMUM DISTANCE APARTOF 3'.4.EROSION CONTROL MATTING (ECM) SHOULD BE USED TO AID PERMANENT VEGETATEDSTABILIZATION OF SLOPES 3:1 OR AREAS SPECIFIED IN THE PLANS.5.ECM SHOULD BE USED WHEN MULCH CANNOT BE ADEQUATELY TACKED AND WHEREIMMEDIATE GROUND COVER IS REQUIRED TO PREVENT EROSION DAMAGE.6.6” MINIMUM OVERLAP IN THE HORIZONTALEROSION CONTROL MATTING MAINTENANCE NOTES1.INSPECT ECM AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2 INCH OR GREATER)RAINFALL EVENT. REPAIR IMMEDIATELY.2.GOOD CONTACT WITH THE GROUND MUST BE MAINTAINED, AND EROSION MUST NOTOCCUR BENEATH THE ECM.3.ANY AREAS OF THE ECM THAT ARE DAMAGED OR NOT IN CLOSE CONTACT WITH THEGROUND SHALL BE REPAIRED AND STAPLED.4.IF EROSION OCCURS DUE TO POORLY CONTROLLED DRAINAGE, THE PROBLEM SHALLBE FIXED AND THE ERODED AREA PROTECTED.5.MONITOR AND REPAIR THE ECM AS NECESSARY UNTIL GROUND COVER ISESTABLISHED.BOTTOM OF CHANNELEROSION CONTROL MATTING SHALL BEPLACED IN 12 INCH DEEP TRENCH, STAKED,BACKFILLED AND COMPACTEDTOE OF SLOPEWOOD STAKETOP OF STREAMBANKEROSION CONTROL MATTING SHALL BEPLACED IN 12 INCH DEEP TRENCH, STAKED,BACKFILLED AND COMPACTED2' TRENCHSTAKE WITHNAIL2' TRENCHSTAKE WITHNAILTRENCHTOP OF BANKWOOD STAKETRENCHTOP OF BANKTOE OF SLOPEEROSION CONTROLMATTING TO BE EXTENDEDTO TRENCH AT TOE OF SLOPEEROSION CONTROL MATTINGDISSIPATOR POOL10 FEETAPRON4 FEETCHANNEL0.75 FEET1 FOOTCLASS A AND BWELL-GRADED MIXCULVERTRIPRAP BASIN SCOUR POOL