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HomeMy WebLinkAbout20170785 Ver 2_2019-03-29_Cross Charlotte Trail - EC-20 Briar CreekTemp Crossing_11x17_20190409CONSTRUC�ON SEO�ENCE 5' MAX. STREAM CHANNEL t. coNsrRucr �MaoRARr oivERSioN oR sEr-uP ,I BANK HEIGHT PUMP AROUND PER THE �ETAIL ON. IRI � IVI� �I Itrl'iIi / �I 2. EXCAVATE APPROACH SEC�ONS. IV� 3. BEGIN E%CAVATION OF THE CHANNEL TO __ —, � � i6 �. , � �I��Y I " � ,.I, SURFACE FLOW � _` ` � � / IV4II�II i, ��y DIVERSION INSiALL THE FILTER FABFIG AND STONE BASE. ��_� \ � /� �li�i �" � 4. REPLACE ANV STABILIZING MATERIAL THAT IS �° � '�' � �, yI WASHED OUT DURING STORM FLOWS. y II�Y � � ` O � � � � _ _ _ � 1 _ IV��I � iul� o op � . o . - - _ — - 3� �� �Ird�.'�� � �f����J��� -.:"_� - o � � i!I �� i�i — a � y,y STONE APPROACH SECTION � Ilil 5:1 MAX. SLOPE ON ROAD STONE OVER - FILTER FABRIC i i� � < m N � fr E N � � V w F a� � -s �z z. � "s z � 0 a � w 8 M o g I � W b o � � x o g V = 5 O f o � w ,$ I y M p / N `g 2 p � S a� ` % � a 5 a � UI E 9a � $ a ` N a J � U x � �0E 2 � .c o $ U Y � oB SURFACE FLO DNERSI ON ORIGINAL STREAMBANK�` '-\\ // � GRADATION OF 2"-6" RIP ��� RAP WITH 1" OF //57 STONE ` - - - _ _ _ - - - - - - -��TYPE 1 (4oz) FILTER FABRIC AS TOP LAYER TO FILL VOIDS iN Ria Rna SECTION TEMPORARY STREAM CROSSING/FORD NOT TO SC/i.0 STREAM CHANNEL BRIDGE MAT N��i ii��� �i � ili��i� � � � V�li -_ I j � ' 1, �, "� / �� SURFACE FLOW --_ ,- - _ -1��� '' � 'ri�l,�l6h �J�i, oivERsioN �� � ��, IV�i '- l � 1 IVi�I I�{ �11� li�� ' _ � �-- v�' � II�� j �(� I� I I\ _ _` � _ V � ��I ,�� � � _ � \ �' � r'r — � f II �y uuli � � � I�i .. . .O . . O. . NOTES: 1. CONSTRUCT STREAM CROSSING WHEN FLOW IS AT NORMAL BASEFLOW. 2. MINIMIZE CLEARING AN� EXCAVATION OF STREAMBANKS. 00 NOT EXCAVATE CHANNEL BOTTOM. 3. INSTALL STREAM CROSSING PERPENDICULAR TO THE FLOW. 4. MAINTAIN CROSSING 50 THAT RUNOFF IN THE CONSlRl1CTI0N ROAD DOES NOT ENTER EXISTING CHANNEL. 5. STABILIZE AN ACCE55 RAMP OF CLA55 B STONE TO THE EDGE OF THE MUD MAT. 6. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP ANGLE ACCORDING TO THE EQUIPMENT UTILIZED. TEMPORARY STREAM CROSSING - MUD MAT ON SIDE CHANNELS NOT TO SCA�E � m e o � 0 � � NOTES: �8 a� � 1. CONSIRUCT STREAM CROSSING WHEN FLOW IS AT NORMAL BASEFLOW. U� 2. MINIMIZE CLEARING AND EXCAVAPON OF STREAMBANKS. DO NOT E%CAVATE CHANNEL BOTTOM. �.`�� 3. INSTALL STREAM CROSSING PERPEN�ICULAR TO THE FLOW. Y 4. MAINTAIN CROSSING SO THAT RUNOFF IN hIE CONSTRUCTION � ROAD DOES NOT ENTER EXISTING CHANNEL. E�, 5. STABILIZE AN ACCESS RAMP OF CLASS B STONE TO THE EDGE OF THE MUD MAT. 6. CONTRACTOR SHALL DETERMINE AN APPROPRIATE RAMP � E ANGLE ACCORDING TO THE EQUIPMENT UTILIZED. °$ TEMPORARY DEEP STREAM CROSSING - MUD MAT ON LITTLE SUGAR � € NOT TO SCALF SOIL STABILIZATION TIMEFRAMES SITE DESCRIPTION STABILIZATION TIME TIMEFRAME EXCEP IIONS PERIMLTEI� DIKES, SWALES, DITCHES AND SLOPLS 7 DAYS NONE HIGH QUALITY WATER (HQW) ZONES 7 DAYS NONE SLOPES STEEPER THAN 3:1 7 DAYS IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLOWED. SLOPES 3:1 OR FLATTER 14 DAYS 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH. ALL OTHER AREAS WITH SLOPES FLATTER THAN 4:1 14 DAYS NONE, EXCEPT FOR PERIMETERS AND HQW ZONES- PERMANENT SEEDING - RIPARIAN SEED MIX (USE UNDER COIR MATTING) COMMON NAME BOTANICAL NAME PERCENTAGE RE9TOP PANIC GRASS (NC ECOTYPE) P' 'gidulum 2a CAMPER LITiLE BLUE SiEM S h' hyr' m xoporium ZQ LANCE-LEAVED COREOPSIS (NC ECOTVPE) Goreopsis londceoloto I 10 BLACK-EYED SUSAN (NC ECOTWE) R�dbeckia hirta �� PARTRIDGE PEA Ghamaecr'sta (oxicu/ota I 5 BEAKED PANIGGRA55 (MD EGOiYPE) Panicum onceps I 5 41VER OATS (WV ECO�YPF) Chosmanthium IoHfolum 3 DEER TONGUE Oichanthelium clandestinum I 3 VIRGINIA WILD RYE £lymus hginicus 3 COMMON SNEEZEWEED (VA EGOttPE) Helenium outumnole I 3 SWAMP SUNFLOWER (NC ECOttP€) Helionfhus ongust�folius I 3 WIL� OUININE (VA ECOTYPE) Porthenium integrifol�um 3 APPALACHIAN BEARDTONGUE (SC ECOTWE) Pensteman laevigatus 3 PURPLE TOP ('SUTHER', NC ECOTWE) iidans )lows 3 SPOTTED BEEBALM (SC ECOTIPE) Monordo punctota p IRONWEED ('SUTHER', NC ECOiYPE) �emonia noveboro 2 UPLAND BENTGRASS Agrostis perennans � TICKSEED SUNFLOWER (NC ECOTWE) Bidens oristoso 1 "APPLICATION R4TE 15 LBS/ACRE APPLY SOIL AMENDMENTS ACCORDING 70 iT+E FOLLOWWG TABLE AT 1000 LBS�ACRE� N z ,o P z05 t0 K �0 �o APPLY LIME AT 3000 LB�ACRE. MULCH APPLY 4,000 LB�ACRE STRAW. ANCHOR STRAW BY A MULCH ANCHORING TOOL A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED AS A MULCH ANCHORING TOOL. MAINTENANCE REFERTILIZE IF GROWTH IS NOT FULLY ADEQUATE- RESEED, REFERTILIZE AND MULCH IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE PER SECTION 6.10 OF NCDENR EROSION AND SEDIMENT CONTROL DESIGN MANUAL. GENERALNOTES 1. IN ALL DISTURBED AREAS SHOULD BE RAKED/ROUGHENED (A MINIMUM OF 5"), AMENDED WITH FERTILIZER, SEEDED (PERMANENT AND TEMPORARY), STRAWED, AND THEN COVERED WITH EROSION CONTROL MATTING (IF APPLICABLE) PER THE MANUFACTORERS RECOMMENDATIONS. ONCE THE MATTWG IS DOWN INSTALL THE LIVE STAKES AND TUBELWGS THROUGH THE MATTWG. 2. O.C. = ON-CENTER 3- TEMPORARv SEEDiNG S4ALL BF APPUED IN ALL DIS�URBcD AREAS. WOODY VEGETATION — 6' O.C. COMMON BOTANICAL PERCENTAGE NUMBER ROW TYPE NAME NAME OF ROWS SPACING SILKY D06WOOD Comus am 3a Z 3' LIVE STAKE SILKY WILLOW Solix Sericea 30 2 3' LIVE STAKE ELDERBERRY Sambucus canaaensis 30 2 3' LIVE STAKE TAG ALDER A/nus serrulata �0 3 2' BAR[ ROOT 'RANDOM SPACING TO MIMIC NATURAL CONDITIONS VEGETATION SPECIES FOR BUFFER AREAS (TUBELINGS) COMMOM NAME BOTANICAL NAME TREE/SHRU� SOUTHERN ARROWWOOD VIBURNUM DENTATUM SHRUB HAZEL ALDER ALNUS SERRULATA TREE RIVER BIRCH BETULA NIGRA TREE EASTERN REDBUD CERCIS CANADENSIS TREE/SHRUB SILKY DOGWOOD CORNUS AMOMUM SHRUB INKBERRY lLEX CLABRA SHRUB YELLOW POPLAR LIRIODENDRON TUI,IPIFERA TREE WILLOW OAK QUERCUS PHELLOS I TREE BUTTON BUSH CEPHALANTHUS OCCIDENTALIS SHRUB RED CHOKEBERRY PHOTINIA PYRIFOGIA � SI-IRUB CHOSEN SPEGES SHALL BE COMPR6ED OF 70% TREES AND 30% SHRUBS OR iREE�SHRUB SPECIES AND PLANTED AT 200 STEMS�ACRE. SENSITIVE DO NOT DUPLICATE � , o Know whaYs below. 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' _ -_ � l _—_ �� � / ��_ ��' ;%���i% � �j� � � � � �� � � '� �i ��j � � _ _ � � � � _ � � � i� �� r � j �� ���� �%��� ��� �-- �i� � " J -- i � � � �� G i,, _' _ ♦ , i � ,, i r% Q- � � � - � � i ���/ P � , PROPOSED EROSION CONTROL INFO ' �Q` � �--_, � � , — �� � �%� i - � i iii � � � ''- � � �� � � � ,i - > > TEMPORARY DIVERSION DITCH ���� � ii% � � �/�i/� � /J l� �/ � � � �\ � � � � � � � � DISTURBED AREA �� ������ �� / �� ;�'� � � �i�� � LAYDOWNAREA#6 � CONSTRUCTION OF THE TRAIL, WALLS, BOARDWALKS, AND STREAM � / 644 PROPOSED CONTOURS RcSTORA710N ITEMS MAY REQUIRE THAT THE CONTRACTOR Tp � ---� ' ���, �, EXISTING CONTOURS PF TREE PROTECTION FENCE —�� �� SILT FENCE � SPECIAL SEDIMENT CONTROL FENCE CONSTRUCTION ENTRANCE ` t r-. ; �:I RIP RAP APRON FILTER BAG WLET PROTECTION CLDSM 30.�5 cZOCK INLET SEDIMENT TRAP —>-� >�� — ROCK CHECK DAM, TYPE A > �>� ROCK CHECK DAM, TYPE B - COIR FIBER MATTING STRAW MATTMG SEE SHEEic EC-04 THRU EC-04 FOR NOTES AND DETAILS TEMPORARILY WORK IN THE WET- THIS WORK MAY CAUSE A TEMPORARY INCREASE IN TURBIDITY�, HOWEVER THE CONTRACTOR WILL MAKE ATTEMPTS TO LIMIT THE DISTURBANCE AS MUCH AS PRACTICAL. BECAUSE OF THE URBAN NATURE OF THE CORRIDOR AND BACKWATER EFFECT OF ROCK SILT CHECKS, NONE IS PROPOSED FOR IN STREAM DURING ANY OF THE CONSTRUCTION ACTIVITIES. TEMPORARY LOW WATER FORD CROSSINGS PER DETAIL 6JOA OF THE NCDNR MANUAL MAY BE IMPLEMENTED FOR THESE CROSSINGS. CONiRACTOR TO INSTALL iMPERVi0U5 DIKES ALONG THE STREAM AS NEEDED AND UTILIZE SPECIAL STILLWG BASWS FOR DEWATERING. STABILIZE ALL SLOPES 3-1 AND GREATER WITH MULCH AND SEED AS NOTED IN PROPOSED CONTOURS SHOWN AS EROSION CONTROL DEIAILS APPROXIMATE ONLY TO ILWSTRATE STABILIZE AS SHOWN (UNLESS OTHERWISE G�NERAL FLOW PATHS. SEE CROSS SECTIONS FOR ACTUAL ELEVATIONS NOTED) ON THIS PLAN WITHIN 14 DAYS OF COMPLETION PER EROSION CONTROL NOTES DO NOT INSTALL FILTER BAG INLET PROJECTION UNTIL GRADING [3CGINS ACREAGE SUMMARY THAT WILL REQUIRE TNE PROJECT DISTURBED AREA PROTECTION ±14.39 ACRES :�o�S� ESSRp�'� � " �¢e S j _ ..t rti; ' �9'� t�a• :�EeP,+�•�` ..� QC�'+f,EF CLA�N��.�`��. t �� o � z a � � � � w M . � � � MECKLENBURG COUNTY ' � i � �i � PIN# 171-18139 . 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