20200520 Ver 1_000-MFH-P1-PLAN SET_20200416

© 2019 Microsoft Corporation © 2019 HERE FISH RIFFLEMADISON FISH HABITAT RESTORATION PROJECT - PHASE 1VICINITY MAPSCHEMATICSHEETC1E1S1S2S3S4S5X1D1TITLECOVERNOTESSETUPENTRANCESITE 1SITE 2SITE 3CHANNEL SECTIONSDETAILSPROJECT SITEROCKINGHAM COUNTY, NCFISH RIFFLESTOCKPILE AREAFISH RIFFLENEW ACCESSROAD
LEGENDCONTOURSEROSION CONTROL NOTES:1.PROVIDE TEMPORARY OR PERMANENT GROUNDCOVER WITH RIPARIAN SEED MIX ON ALL EXPOSED AREAS WITHIN 7CALENDAR DAYS FOLLOWING COMPLETION OF ANY PHASE OF GRADING. PROVIDE A PERMANENT GROUNDCOVER FOR ALLDISTURBED AREAS WITHIN 14 WORKING DAYS OR WITHIN 90 CALENDAR DAYS (WHICHEVER IS SHORTER) FOLLOWINGCOMPLETION OF CONSTRUCTION OR DEVELOPMENT.2.THE CONTRACTOR MUST TAKE NECESSARY ACTION TO MINIMIZE THE TRACKING OF MUD OFF SITE AREAS. THECONTRACTOR SHALL DAILY REMOVE MUD/SOIL FROM PAVEMENT, AS MAY BE REQUIRED.3.THE CONTRACTOR SHALL ACCOMPLISH ALL STREAMBANK EXCAVATION FROM OUTSIDE THE ACTIVE CHANNEL WHENEVERPOSSIBLE. ALL DISTURBED STREAMBANK MUST BE STABILIZED WITH SEEDING, MULCH AND EROSION CONTROL MATTING BYTHE END OF EACH WORKDAY.PROJECT NARRATIVETHIS PROJECT INVOLVES THE CONSTRUCTION OF 3 RIFFLES 30'x175' or 2,250-SF IN SIZE ON THE DAN RIVER IN MADISON,NORTH CAROLINA. THIS PROJECT IS LOCATED ADJACENT TO PROPERTY OWNED BY PINE HALL BRICK. THIS PROJECTINVOLVES ACCESSING THE RIVER BANK AND BUILDING OF IN STREAM STRUCTURES. ALL WORK SHALL BE SUBJECT TO THEDIRECTION AND INSPECTION OF THE PROJECT ENGINEER.THIS PROJECT IS LOCATED IN THE ROANOKE WATERSHED AND THERE IS A FEMA REGULATED FLOODPLAIN IN THE PROJECTAREA. THE DAN RIVER HAS A REGULATED FEMA FLOODPLAIN ASSOCIATED WITH IT. THIS PROJECT WILL TAKE PLACE WITHINTHE OPEN WATER IMPOUNDMENT CREATED BY THE LINDSAY BRIDGE DAM ON THE DAN RIVER. CONSTRUCTION FOR THISPROJECT SHOULD LAST FROM 14 TO 28 DAYS.PROJECT NOTES:THE LOCATION AND ALIGNMENT OF ALL IMPROVEMENTS SHOWN ARE APPROXIMATE. THE FINAL LOCATION AND ALIGNMENTSHALL BE DETERMINED DURING CONSTRUCTION USING BEST PROFESSIONAL JUDGMENT AND APPROVED BY THE PROJECTENGINEER.MATERIALS LISTS ARE PROVIDED AS AN APPROXIMATION ONLY. CONTRACTOR SHALL INDEPENDENTLY VERIFY THE NUMBERAND AMOUNT OF STONE, OR OTHER ITEMS NECESSARY TO PROPERLY COMPLETE THE JOB.THE LATEST VERSION OF THE FOLLOWING STANDARDS APPLIES TO THESE SPECIFICATIONS:A.NCDOT “STANDARD SPECIFICATIONS FOR ROADS AND STRUCTURES”, DATED JULY 2006B.NCDOT “EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL" 2006THE CONTRACTOR SHALL CALL THE “CALL BEFORE YOU DIG” TOLL FREE NUMBER TO MAKE SURE THAT ALL UTILITIES ARELOCATED AND MARKED. ANY DAMAGE TO EXISTING UTILITIES IS THE RESPONSIBILITY OF THE CONTRACTOR.ANY DAMAGE RESULTING FROM ACTIONS OF THE CONTRACTOR TO STRUCTURES OR GROUNDS ON SITE WILL BE REPAIREDOR REPLACED AT THE EXPENSE OF THE CONTRACTOR, TO A QUALITY MEETING OR EXCEEDING THEIR PREVIOUSSTANDARDS.THE CONTRACTOR IS TO ENSURE PUBLIC SAFETY DURING ALL PHASES OF CONSTRUCTION.THE CONTRACTOR IS RESPONSIBLE FOR CLEARING AND DISPOSING OF ANY MAN-MADE MATERIALS OR OTHER DEBRIS THATLIE WITHIN THE CONSTRUCTION LIMITS, AS REQUESTED AND APPROVED BY THE PROJECT ENGINEER.THE CONTRACTOR IS RESPONSIBLE FOR ENSURING THAT THE STREETS IN FRONT OF THE CONSTRUCTION SITE WILL BEKEPT CLEAN AT ALL TIMES. IF NEEDED TO ACCOMPLISH THIS TASK A WASH STATION MAY BE REQUIRED.EXISTING ACCESSROADNEW ACCESS ROADTEMPORARY RAMPEXISTING STOCKPILEAREAPROPOSED FISH RIFFLEMATERIALS ESTIMATESDisturbed Area = 1.0 ACClass A, B & 1 Stone (Equal Parts) = 930 TNCoir Mating = 27 10'x130' rollsWooden Stakes, 2' = 3,000Riparian Seed Mix = 12 LBSRIPARIAN SEED MIXCOMMON NAME (SCIENTIFIC)PERCENTJOE-PYE-WEED (EUPATORIUM FISTULOSUM10RICE CUT GRASS (LEERSIEA ORYZOIDES)10SWITCHGRASS ( PANCIUM VIRGATUM)10FOX SEDGE (CAREX VULPINOIDEA)10DEER TONGUE (PANICUM CLANDESTINUM)10SOFT RUSH (JUNCUS EFFUSUS)10HOP SEDGE (CAREX LUPULINA)10VIRGINIA WILDRYE (ELYMUS VIRGINICUS)10BLACK EYED SUSAN (RUDBEKIA HIRTA)10WEEPING LOVE GRASS (ERAGROSTIS CURVULA)10QUANTITY ESTIMATEAPPLY 20 LBS/ACSEEDING NOTES:
DAN RIVERFISH RIFFLEAREA 0.12 ACFISH RIFFLEAREA 0.12 ACEXISTINGSTOCKPILE AREAEXISTING ACCESSROADNEW ACCESSPATHTEMPORARY RAMP100-YR FLOODPLAINBOUNDARY100-YR FLOODPLAINBOUNDARYNC RAILROAD
PINE HALL BRICKPIN# 790500347242PINE HALL BRICKSHEET S2SHEET S4SHEET S5TEMPORARY RAMPCONSTRUCTIONENTRANCEFISH RIFFLEAREA 0.12 ACNEW ACCESSPATHSHEET S3TEMPORARY RAMPCHANNELCROSS-SECTIONCHANNELCROSS-SECTIONCHANNELCROSS-SECTIONNATIONAL WETLANDINVENTORY WETLAND EXTENTS
EXISTINGSTOCKPILE AREAENTRANCE AND EXISTING STOCKPILE SETUPCONSTRUCTION ENTRANCESEE DETAIL 2, SHEET D1EXISTING ACCESSROAD100-YR FLOODPLAINBOUNDARYNATIONAL WETLANDINVENTORYWETLAND EXTENTS
0+00.001+00.002+00.003+00.004+00.005+00.005+77.84BP: 0+00.00
EP: 5+77
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8
4 0+50.001+50.002+50.003+50.004+50.005+50.00D
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R FISH RIFFLE30' X 175'SEE DETAIL 3, SHEET D1TEMPORARY RAMP0.08 ACNC RAILROAD SITE 1 FISH RIFFLENEW ACCESSPATH3,495 LF0.67 ACSITE 1CHANNEL SECTIONSEE SHEET X1BANK STABILIZATIONSEE DETAIL 1, SHEET D1NATIONAL WETLANDINVENTORYWETLAND EXTENTS
0+00.001+00.002+00.003+00.004+00.004+60.43BP:
0+00
.00EP:
4+60
.430+50.001+50.002+50.003+50.004+50.00DAN R
IVER
FISH RIFFLE30' X 175'SEE DETAIL 3, SHEET D1TEMPORARY RAMP0.04 ACNEW ACCESS PATH450 LF0.05 ACSITE 2 FISH RIFFLEEXISTING ACCESSROADSITE 2CHANNEL SECTIONSEE SHEET X1BANK STABILIZATIONSEE DETAIL 1, SHEET D1NATIONAL WETLANDINVENTORYWETLAND EXTENTSTEMPORARYWETLAND IMPACT 0.04 AC
0+00.001+00.002+00.003+00.004+00.005+00.005+19.83BP:
0+00
.00EP:
5+19
.830+50.001+50.002+50.003+50.004+50.00DAN R
IVER
FISH RIFFLE30' X 175'SEE DETAIL 3, SHEET D1TEMPORARY RAMP0.06 AcNC RAILROAD SITE 3 FISH RIFFLE & TOE WOODEXISTING ACCESSROADSITE 3CHANNEL SECTIONSEE SHEET X1BANK STABILIZATIONSEE DETAIL 1, SHEET D1NATIONAL WETLANDINVENTORYWETLAND EXTENTS
ElevationElevation StationStationSITE 1 CHANNEL SECTION540.00550.00560.00570.00580.00540.00550.00560.00570.00580.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.005+00.005+77.846+00.007+00.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.005+00.005+77.846+00.007+00.00ElevationElevation StationStationSITE 3 CHANNEL SECTION540.00550.00560.00570.00580.00540.00550.00560.00570.00580.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.005+00.005+19.836+00.007+00.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.005+00.005+19.836+00.007+00.00ElevationElevation StationStationSITE 2 CHANNEL SECTION540.00550.00560.00570.00580.00540.00550.00560.00570.00580.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.004+60.435+00.006+00.007+00.00-1+00.000+00.000+00.001+00.002+00.003+00.004+00.004+60.435+00.006+00.007+00.00RIFFLE STONERIFFLE STONERIFFLE STONEAPPROXIMATEWATER LEVELAPPROXIMATEWATER LEVELAPPROXIMATEWATER LEVEL
CROSS-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 STAKE2'2"PLAN 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 2:1 OR AREAS SPECIFIED IN THE PLANS.5.RCM 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 MATTINGPUBLIC STREETEXISTING GROUND50' MIN.18' MIN.
6" MIN.TYPE II FILTER FABRICUNDER 2"-3" COURSE AGGREGATE50' MIN.PUBLIC STREET NOTES:1.A STABILIZED ENTRANCE PAD OF 2"-3" COURSE AGGREGATE SHALL BE LOCATED WHERE TRAFFICWILL ENTER OR LEAVE THE CONSTRUCTION SITE ONTO A PUBLIC STREET OR EXISTINGGRAVEL/PAVED SURFACE.2.FILTER FABRIC OR COMPACTED CRUSHER RUN STONE SHALL BE USED AS A BASE FOR THECONSTRUCTION ENTRANCE.3.THE ENTRANCE SHALL BE MAINTAINED IN A CONDITION WHICH WILL PREVENT TRACKING OR FLOWINGOF SEDIMENT ONTO PUBLIC STREETS OR EXISTING PAVEMENT. THIS MAY REQUIRE PERIODIC TOPDRESSING WITH ADDITIONAL STONE AS CONDITIONS WARRANT AND REPAIR OR CLEANOUT OF ANYMEASURES USED TO TRAP SEDIMENT.4.ANY SEDIMENT SPILLED, DROPPED, WASHED, OR TRACKED ONTO PUBLIC STREETS MUST BEREMOVED IMMEDIATELY.5.WHEN APPROPRIATE, WHEELS MUST BE CLEANED TO REMOVE SEDIMENT PRIOR TO ENTERING APUBLIC STREET. WHEN WASHING IS REQUIRED, IT SHALL BE DONE IN AN AREA STABILIZED WITHCRUSHED STONE WHICH DRAINS INTO AN APPROVED SEDIMENT BASIN SEE STD. NO. 30.11B.6.NCDOT MAY REQUIRE A STANDARD COMMERCIAL DRIVEWAY (STD. 10.24 & 10.25) TO ACCESS THECONSTRUCTION SITE IF THE DRIVEWAY IS ON A THOROUGHFARE.CONSTRUCTION ENTRANCEAPLAN VIEWFLOWPROFILE A-AHEAD OF RIFFLETIE INTO EXISTINGCHANNEL BEDAHEAD OF RIFFLETIE INTO EXISTINGCHANNEL BEDRIFFLESECTION B-BBBTAIL OF RIFFLETIE-IN TO EXISTINGCHANNEL BEDLEFT BANK(TYP)FOLLOW EXISTINGCHANNEL BED SLOPE(TYP)TOE OF SLOPERIFFLE STONETIE INTO EXISTINGCHANNEL BED12" DEPTH OFEQUAL PARTS CLASSA, B, AND 1 STONECONSTRUCTED RIFFLEEXISTING CHANNELBEDEXISTING CHANNELBED (TYP)9'' ABOVECHANNEL BED30'TOE OFLEFT BANK175'DETAILS