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Home My WebLink About20171159 Ver 1_MC_Plan_Sheets_20170510_20170912�, � 0 � � w � 0 a � 0 � � � c 0 � � 0 � � N Q � � � � � .� L � i � 0 � 0 N 0 O 3 � 0 0 � J Q � � NARRArivE Prn lP,Cf I�P,.sr.rl t� inn The purpose of this pro./ ect Is to moke improvements to tilorrisville Corpenter Road in INoke County, Morrlsville, NC. lmprovements Will Inc/ude roadwoy Widening from two lanes to four lanes dlvided by a plonted medlan and concrete monolithlc islands in varlous locatlons over opproxlmate/y 1.32 miles in /ength. lmprovements will also inc/ude droinoge Improvements, odditiono/ signollzotlon, ond Intersectlon Improvements. Approxlmate/y 8.85 acres will be disturbed during the construction of this pro ject. Also, approximate/y 5.7/ acres Will be vegetotively stabilized With grass and permanent plantings. Morrisville Carpenter Road is located In Wake Count.y, Morrlsville, NC. The pro�ect site begins ot the intersection wlth Dovis Drive (35.819° N, -780845° E), ond proceeds in on eost/northeast directlon untll the NCRR rlght-of -Way �ust west of NC 54 f35,823° N9 -78.826° E�< S1te ne.scrl tn Pnn The slte is generally sloping to moderate/y s/oping and contalns droinage Ways that are bordered by moderate s/opese A// dralnage makes lts way through a serles of dltches ond storm draln systems Into trlbutorles of Lake Crabtree. Portlons of the slte are undeveloped contalning wooded area. The other portlons of the site are llght density commerc7al developments. The ma�or dralnage way for the oreo is an unnomed trlbutory to Crobtree Creek. A�l i ncent Prn� Lond use in the vicinity is mlxed between residentlo/ and commercial. Areos od jocent the proposed roadway conslst of neighborhoods9 commerclal developments and woods. T he mo j or out/et f or run -of f dischorge is an unnamed tributary to Crabtree Creeko Crabtree Creek Is a well establlshed gent/y-f/owing tributary to the Loke Crobtree. Sni/.s The closslfled soils In this region Include the Carbonton-Brickhaven series, the Creedmoor serles, the Chewocla serles, the A/tovista series, and the Augusta serles. BEGIN PROJECT BEGIN CONSTRUCTION SR-3014 (MORRISVILLE CARPENTER RD) -L- Sta. 10+70.00 Fc_2�� C•�� _ cq��RR�s�i Rp�Nr�R �<<F � RD � IMPERVIOUS SURFACES IN MORRISVILLE CARPENTER DISTURBED AREAS PROPOSED IMPERVIOUS SURFACE = 3.14 AC PROPOSED VEGETATED AREA = 5.71 AC T own Contact: Mike Vyrlght 260 Town Hall Drlve Sui te C Morrisville, NC 27560 Office: 9/9-463-7083 Z V � PROJECT DENUDED AREAS FLOW ARROWS � _ _ EC-41EC-13 _,, �, , 0, , �, ' � O , � , � , � � �, , �, , �, � „ „_� - — � � � � . , ,: � > �-� ��_�� - _ �' ti _ � -. � _ � Total Disturbed Area (shaded) = 8.85 acres m � -,I � ` � t ` � � _� . . o pC � END CONSTRUCT/ON TOWN HALL DR -Y12- Sta. 22 +33.00 ___� � � -_ _ � T RIBUT ARY T 0 CRABTREE CREEK � � 0 Z � M 00 0 a Z � ,�y � ��G G'6 �,E � �� R�S� R� . N,�R N.��R .1. PRPE G / BEGIN CONSTRUCTION MORRISVILLE SQUARE DR/VEWAY -Y10- Sta. 13+87.02 2 �4 AC • �\ � O f _�. , � , - �i � , ; , � �; _ � � - = - - _- �= _, , :�.: . ,. =_— _� :� _ -- -_ -----,__,... , � � �� _ . _ _ � _ , , ,�� _ _ _ . _� , . , � Il I I r�� _ ,` ',, , � � , . , _ _ ' ' , ,, �' � � ,' �, � \NCRR CORRIDOR END PROJECT END CONSTRUCTION SR-3014 (MORRISVILLE CARPENTER RD) -L- Sta. 80 + 57.20 END CONSTRUCTION FRANKLIN UPCHURCH ST -Y16- Sta. 15+95.45 BEG/N CONSTRUCTION TOWN HALL DR -Y12- Sta. 16 + 00. 00 �, � _ ��; � -,- �� f �'� I o,' ;;' I �;; � �l � � i� 1 i �� l,r, �,`�i��, PLANS PREPARED BY: Kimley>>> Horn a�� FA�FTT�vu � F sT. sui-F t>a�s i-u��icH.�•d�_ __rr,��i FNoiv�: rqi=�� e �7-�uon rnx, �9i�� 5 ��-�o5!i r,�: ! i�-E��i_E �F-oio� � � �-,,�� oc 0 W o� a � a Z � a 'UMPLFII'E PLA�1Q or u� rWt aiw �cou�rriod -LI�11�II�IA�Y �LA�I� �� a 0 H W � � W � U W Z a � � J M U � �;�= J � � � U � � � � � a � 0 � z U Z O H O 4i W � � l��H�I FFi'OJF��I: 012108007 D<;� E. 5-10-2017 FINAL PLAN EC-1 C � O � V W � O O � O � � � C O 1 � i C O � � i � C Q L C� N � .j � .� L � i � O O N O � O 0 0 � � Q � � N \ O � 0 SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. � NO EROSION CONTROL MEASURES RE UIRED IN THISAREA ��>-�<.��, �� a�NvcsE�=:s35,�,;, M � 0 Z N ,J;,, � TOP ,; i� i;=- i� i='3 �. INV(NV�� 3�2.91' �NV(W) �34.09' � a�� , � �IVV(y�) 323.3�' 9, �NV�E) 332 90' �;�� -�' ��'' �NVISE)=323.II' �Q�.,A �NVCSE)-332.89' iNvct�-324.55' i_5_"_R��= _ ❑ CB Q= CB ;. TOP=314.90' -- � - ��_ � � S�' � - �5.� INV�S)=313.��' � � � C - CONC �� H . � TOP=3 IJ , CB y / � � �.� �''° � -- — --,, e __ _ �' R�Pj� — - — _ —_ _ — 30' C&Sz— � �� — � — 30' C&G�Q �A i ( )=326.9�� _ 15' RCP \\ _ �� 30' C . ' HDP �� l,tf - - -- -- CB — - - — —�� — —��- -- — _ — _8`� _ � P '1(1c - - �, �� — -- - BTOP-324,23' � �7� � _ � ' --�, -;20.�3r— � � � — � -- ��.�i) �' _ �� \ _ _ - - - _ _ _ -L-S_ -3014 (MORR/SV LLE CARPENTER ��6 �- __ \ �� _ _ -_- � — - - - - --- - � � ,� �� _ � N � \ � — \ � �— �� \ �� —' =— CONC �'`,�j s�� ' � c�i ,3 ;� ,5 79, � i,I W�)_3�4•9�, iPa��,�SE�-32 • CDa ,. �� ,� �, �-�>�_ „,��i� � �,�;, � PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT I NSTALLATI ON CONSTRUCTION L/MIT SK/MMER SEDIMENT BAS/N SPEC/AL ST/LL/NG BASIN AND DEWATERING PUMP CONCRETE WASHOUT STRUCTUR TEMPORARY SILT FENCE COIR FIBER WATTLE TEMPORARY GRAVEL CONSTRUCTION ENTRANCE TREE PROTECT/ON FENCE C F E a — TPF — LEGEND L/MITS OF DISTURBANCE (SHADED) TEMPORARY DIVERSION DlTCH GRAVEL/HARDWARE CLOTH TYPE /NLET PROTEG'T/ON COFFER DAM/IMPERV/OUS DIKE TEMPORARY ROCK SILT CHECK, TYPE A SILT FENCE OUTLET CHECK DAM CLEAN WATER DIVERSION —► TD —► :� � � CWD � 30' C&G TOP=335.03' TOP=325.03' � � �VVcE)=3�— �NV��V>=321.03= _ _�� IN�(E)=321.03 �B � 30" C � �� COH— � = � �' RCP — _ _ _ —a�� - —15� RC� -i0P-319�- 30' C&G — -= �.�r• R� = __ �5 I -, � .. �� f ---- ��,��►►►��%� INV(�y>-314.9s coNc i � �i vt�r�r . � � � �';3 �' � GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRA VEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUTIF►LL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROIECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. SELF-INSPECTIONS AND SELF-MONITORING SHALL BE C011tDUCTED IN ACCORDANCE WITH THE CONDITIONS OF THE NPDES PERMIT NO. NCGO10000 AND NORTH CAROLINA GENERAL STATUE 113A-54.1(e) AND ISA NCAC 04B.0131 THESE EROSION AND SEDIMENT CONTROL PLANS COMPLY WITH THE REGULATIONS SET FORTH BY THE NCG-010000 GENERAL CONSTRUCTION PERMIT EFFECTIVE AUGUST 3, 2011 ISSUED BY THE NORTH CAROLINA DEPARTMENT OF ENVIRONMENT AND NATURAL RESOURCES DIVISION OF WATER QUALITY. 11lPDES GE11lERAL STORMWATER PERMIT SOIL STABILIZATI01� TIMEFRAMES S/TE DESCR/PT/ON STAB/L/ZAT/ON T�ME l/MEFRAME EXCEPT/ONS PERIMETER DIKES, Sy�ALES. DITCHES AND SLOPES HIGH QUALITY �yATER (H0�) ZONES SLOPES STEEPER THAN 3;1 SLOPES 3:1 OR FLATTER ALL OTHER AREAS �ITH SLOPES FLATTER THAN 4:1 7 DAYS 7 DAYS 7 DAYS 14 DAYS I4 DAYS NoNE NONE IF SLOPES ARE 10' OR LESS IN LENGTH AND ARE NOT STEEPER THAN 2:1, 14 DAYS ARE ALLO�yED. 7 DAYS FOR SLOPES GREATER THAN 50'IN LENGTH. NoNE, EXCEPT FOR PERIMETERS AND H�y� ZONES. CLEARING AND GRUBBING EROSION CONTROL FOR CONSTRUCTION SHEET 4 PLANS PREPARED BY: Kimley>>> Horn a�� FA�FTT�vu � F sT. sui-F t>a�s �-u��cH.r,i�_ _�r,�,i FHON�: i91=11 6 �7-?u00 �/1X: (9191 617-'050 NC LIi-EG1=E "F-Gli �� '�5W oc 0 W o� a o�uc a z � a 'UMPLFII'E PLA�1Q or u� r� ai w �cou�rriod -LI�11�II�IA�Y �LA�I� �� 2 O H W o� � 0 � Z C � W � U W Z a � � J M U � � � ► J � � O U � � oc o�c � a J � � Z 0 V Z 0 0 W W � � i;i�� F��F��: 012108007 D,4 i E. 5-10-2017 FINAL PLAN EC-2 C O, � O � v W � O O � O � N � � G O � C O � � � C Q L C� � � � .� L � i � 0 � N O � 0 0 O � J Q � GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. , � � � z � � �v Z �:,, � I J' ill.`;�' Vi � � �� i��iv�sV�� og.�s�� j � � G'�'=31�i.;i3 ��.�/tE)=308.66' � � � V(W)=310.13' TOP=312.28' �IVcN>=3��,13' �NV��V�=308.88' ��NV=307.03' � �,it �? : 510.. 3' I�`iV!NE)=308.86' �� GQ 15' RCP ��'e � ` �' � � �g - CB� �y00DS - - � � � \ s '_�" , O ;�� ,r � -- � � SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITfED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION �. ._ _ _ _ � _ - �,:_ �.25• �I �_ L� ;_ I DHARI�ESHKUMAR J roP=3i3.97� & BHAyIKA D PATEL inovcyy�=3os.i?' �NV(E)=308.5y' cL',- - _ __30° RCP ;CB � ��NV=307.64'- -- - - - - - - , N'� j,,��LSA �2' BK: �yALL �� ,. g•pV % �/ c �E � ;i iNv ��o2.aa� I J=302.42' � y�00DS _ � -- -- --- --�-- -- -- `-T0 =311 0 - - -� IN -30�, � , c�v �-=L- S -30 �4 (MORR/SI//tt.f ;��PE Q -� i- _ - - ---- --. � , - ; �ED1AN _ II � �r,lr�� ,y, �'"._��. \_ - -- BARRIER -`"��" ' �:� � � = 313.14' - � � � g --. __ - -- S ) = 310.99' � �� u -- ----- -- - --. � � w� �w_ � = S., � v v J, �a, � J- 5��, ICOULD NOT ACCESS� - � --- --_ � CB � I I LI I K � �n. ro� ___- - ��.� ,3. ��Pfy9� �Pt � � �y � S, lv L S A „ __' _ �/ � �\\\ TOP=311.18' ,( J ` ,� � OP=31I.83' �NV��y�=308.03' � ,US�> �NVcs�y�=3o7.7�� t.-�a. � ,;��rc )=309.45' Q V iNV( �=3II.28' � It,I\/:F)-in9..39' Q � ��/ �� , ,, CONSTRUCTION L/MIT SK/MMER SEDIMENT BAS/N SPEC/AL ST/LL/NG BASIN AND DEWATERING PUMP CONCRETE WASHOUT STRUCTUR TEMPORARY SILT FENCE COIR FIBER WATTLE TEMPORARY GRAVEL CONSTRUCTION ENTRANCE TREE PROTECT/ON FENCE � C F E a � - TPF - ►�OODS; � 1 ti; �� P � � C; ,� ' n �+ LEGEND 41�� - �- � :_ i T �_ �. �� - � LT� ��o•. �� . �\ '� INV=301.94' �OG � �Sq \�, � -301.80' � � i_ TOP-31� '4' i� - : �li �:i ,_�� _, �Q COULD NOT ACC�55��-.. (LOCKE01 '±�� L/MITS OF DISTURBANCE (SHADED) TEMPORARY DIVERSION DlTCH GRAVEL/HARDWARE CLOTH TYPE /NLET PROTEG'T/ON COFFER DAM/IMPERV/OUS DIKE TEMPORARY ROCK SILT CHECK, TYPE A SILT FENCE OUTLET CHECK DAM CLEAN WATER DIVERSION -► TD -► :� � � CWD � �� -,;� ��> �-' � N NO EROSION C4NTROL MEASURES RE UIRED I N THI S AREA ADDISON PARK rop=3eyor� o�MuN�TY AssN �Nc INV��V�=303.6� INV(N)=309a63' ��JV( � _�05 �r_, / ; , r �> f I � ��, n � , n��-�� ,��"�2' BK �yALL , v. �� LSA 24' INV=315.18' INV-316.16' �,,\,pC' "`�� EF N� ; �B- -- �B �, � - - -- - - �i �14.44'�� _ �8' RC��,� ��,�� '-_ i••,I�"�ivW1=309.09 TOP=315.32' TOP=31�5'- - i�� V!U=309.59' INV(�V)=310.42' INV(4N) 312.39' � _".. ------ ��v�M=3i0��7� i��,��,i �� -�i2��.�, � � I`,V(�)=31�,5�'= - "_ - I � TOP=314.53' - -- - --- /' � ��.��. ;�� ef�`�Q_ LLT /%`/�� RCP �B TOP=311.96' �gn--15' RCP �NV(S)=308.31' � INVt�V)=307.89' � TC?�=311�93' �V `��,,;ri�i�-��_-;.i, i � � t�_ vl � K� ►l � f�Y :3 LS TO�yNHOMESTH0�lE0�yNERS DUKE ENERGY PROGRESS INC -� � � �� ; -� ;�� - -� -� ---- � - - _i =�_ �� j- - � - D� __....�,.�, _ ._ �L T �� ^ CLEARING AND GRUBBING EROSION CONTROL FOR CONSTRUCTION SHEET 5 r O N \� 0 � � � n Z � z rn \ �� _-- / ; -� Vl / �� `_'�: - � _ _--_ _ � �� %p � -, � _ � �� i� �5" R � - - - _�� i - - w - CB _. �L�p�-��%P=312,,� _ ��,- " N �_ ==�1 /�NV��_�g c�n' - + _ _�-�� / /_ J I_ NV(G `.,.;o� '" C.� / TOP=316.4�7'/ � � _ --- " , i O � INVtE)-3�.3.,_ "' _ / - - - �- _ �', O '=-- i - _ _� � i ��. - -- � ' � ='� j� � Vl � �- -----�---- �� _ - - -- ^ _ _�_ ----��=�� sr.., _ rn _ '� ,� � ��, '� - � � � ,,, ✓ � , - �r�L� \ , �L c ,� C� _ _ . v_ _�"1,y�'Y't"ct'� � -,`\� I �/ E' I • 1 �-� ,, � � S R � z,' � �;n PLANS PREPARED BY: Kimley>>> Horn a�� FA�FTT�vu � F sT. sui-F t>a�s �-u��cH.r,i�_ _�r,�,i FHON�a t9131 6i7-�ul`l�� rnx: �9i�� 6 ��-�osu r,�. ! i�-E��i_E �F-oio� ' �- �-,_��a oc 0 W OC a o�c a Z � a 'UMPLFII'E PLA�1Q or u� r� ai w �cou�rriod -LI�11�II�IA�Y �LA�I� woT u� ro� �+or, 2 0 = W CC � G C Z ,; =F � �L% �` '�./1��V° ' oocc �C � � ; pA' o ' �� - Z �� `' o � � W � U W Z a � � J M U � � � ► J � � � U � � OC O�C � a i;i�� F��F��: 012108007 D,4 i E. 5-10-2017 FINAL PLAN EC-3 � a � O i c� W � O O � O � N � c 0 � c 0 � � C Q � v � � � � .� L � i � O O N O � 0 0 0 � i J Q � � N \ O � � i . ;' m 3 ' �a ac> N I Zm � � o; o � wN � O � �_� �, - -�� KITTU & I�AI�ATHA RAGHUNATH SRIDHAR � � I C,�r= �G.�iC I l)I'=51L.L� �VWcE)=305.44' INV=306.8 ' INV�S )-307.�c'r; i��IVcNE)=305.20' % TOP=309.84� INVcSE)=307.�6' [1 �NV�S)-305.16' � V=306.76' INV(�V>=305.9_,' `. �NV�E)=306.0�1' 2.5' BK RETAIN�NG y�ALL Q : "-n`w^- - - .. . _ _ �� G . `w . . � � ;. .p, � . - � � �,..-�= �..,� � . : - , � - I i � ,�a � J - . � � � - - � -�- �30' RC I � --� �j �:n c v-r�u �s.� I I I� I /fOP=311.20' �g�p_.-J-a�= ' - - - � ��C•�- -_.�.� - //' " �NV(1�) 307 0� TOP=310 f� �� ' , POSS. � 24' RCP/�TOP=309.9 �T2�'i�C1�6P� ,1�/ ' -��,' _ �� -__ ��v�� qg- /��o JB T((3�=310.84' � INV(�)-34�20' �NV(y�)=3 5. (; -"�" � ��N=305.07' � � _ �� ir=� OG„ � � ��V=3Dr:�r-`'_- --- C��,�(I )_'� -=�� N��S 06.80' �- I � OUT-305.05 � � — -_ � �_ _ ! �--- -- - .-- � _� -- ---- -- - I � � � - - --- -�-. - � �_ __� �,A -- � �� —` �� - - - - - -�uc� -- _ - - -i-- -� 1 � � _ �� ,� -- �� S`z? i i� T\�o = . �V - . , ,-.�- . _ `-�-z-`�-�--r''�., _ `-^-,_� ,,`J �-; r ,-, -s _ �``�r�' �- ihy�5E,�3^v5.3L' TOP-310. ,,�,� � ; � `'�° INV(E)-3(J5.90' �NVcryl=3u7.4„_L� V �� - INV�E)=307.58' NV=305.30;', � � �NV=304.50'� - - �� `_�� i �"�,!� � �i � 125.84' � � � � o� �� y00D�E G & °�� m ,,,� ,�w NETTIE �y ALLEN � � �, '? � a a; N a x� � �/ � � �- I � W J � � Q I a'� �° � aJ, Uz y, N '', CONSTRUCTION L/MIT SK/MMER SEDIMENT BAS/N SPEC/AL ST/LL/NG BASIN AND DEWATERING PUMP CONCRETE WASHOUT STRUCTUR TEMPORARY SILT FENCE COIR FIBER WATTLE TEMPORARY GRAVEL CONSTRUCTION ENTRANCE TREE PROTECT/ON FENCE C F E a — TPF — LEGEND L/MITS OF DISTURBANCE (SHADED) TEMPORARY DIVERSION DlTCH GRAVEL/HARDWARE CLOTH TYPE /NLET PROTEG'T/ON COFFER DAM/IMPERV/OUS DIKE TEMPORARY ROCK SILT CHECK, TYPE A SILT FENCE OUTLET CHECK DAM CLEAN WATER DIVERSION NO EROSION CONTROL MEASURES RE UIRED IN THISAREA � 65.OG` HARIK & BHARATHI JAYANTHIGOLLA � � � N Q z •� �Q Q Z D n r z TOP=317,7� m �NV(S)=313.98' �, ��i' �� r � PlA �C NO�SE � ' g�=/— �- CIl � � �6 � F ENCE � �� -{ RR X �s> LSA 6' P ASTIC NOISE� ��nnn,,, X =X� �� B � / /_ D I � ,r - I ! I I I �� - }'': B IER FENCE X�j ��X�� — � � �� % _ __ r X X � s.,�-- � � � � � = 317.2 7' / -% \��=�I - - - �— �� .�.�`"� -�` / V(N)=3131�/ ___�� -� TOP=312.47'� TOP�T3.34'- �� _ � ---- - - - - -- --- �/INV�Ei - -;p2,��' -i- �IVV(NV��=308.41' INV��V>=309.17' f -- � '� --� �� p �'��r'-�0��y�� ORRISVILLE CARPENTER_1��D --- _� . -- --- -- - �_ - - - - — --a--- - - - - - - - -- - - -- - --�- SR-.�-01_4_(IVI - - - - - _- - - -- - -__ - - � ----- � - - ` � o _.a_--- -_"- -� -�- -- ' � ` � ! = i " � �. � � -- -- _---- -�' � � �� - - - � --- � - _ __ � ��.- - —. _ _ _ — _ - - � � �� - --J ,;c�,> S - -- _ — = = __ - - - �— �s- ��—� ; J rn - - - - � - - - ._ - �� % �� - � - - -� - ,_-___- ! / TOP=312.68' - - �31 �T �� ; ��-- _ �-� --1 TO,P-312.33' �5" �CP ��.p��! ��-3i2,'7' �NV(N)=310.52' INV(�')-309.13, �� - ' INV�E)=309,��' _ iNVcs�=3o5 {� �� .�y -- ' CARPE TER PARK ° SINGLE FA ILY HOMEO� � � HARSHAD D & ASM�TABEN GOLAKIA. SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION CLEARING AND GRUBBING EROSION CONTROL FOR CONSTRUCTION SHEET 6 GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRA/NS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED 50 THAT EACH DAY'S WORK /S COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. PLANS PREPARED BY: Kimley>>> Horn a�iFA�FTT�vii.i F sT. sui-F t>ao GALEII;H.G,Ii= -srr�,nl FHON�: i91=11 b f7-?U00 ��x: (91�1 677-"t05u NC LIi-EG1=E "F-Gli �� '�5W oc 0 W o� a o�uc a z � a U ; O a 4i � � 'UMPLFII'E PLA�1Q or u� r� ai w �cou�rriod -LI�11�II�IA�Y �LA�I� woT u� ro� �+or, 2 O ► W o� � G C z � W � U W Z a � � J M U � v; � = J � � o = � OOCC � � J � � z U Z 0 0 W i;i�� F��F��: 012108007 D<;� E. 5-10-2017 FINAL PLAN EC-4 � N , 0 � SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING WSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITfED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION � � I n . �r`�rT ��-,� �-�,.��' �' ; r ;�: �"r _. � �.�• �' ��'�, ��' �Q, � �.�' �¢ �' �.��. �'�. �' �i�li . � � � . . , . 6 . . � � ? J v Q � O/ CONSTRUCTION L/MIT SK/MMER SEDIMENT BAS/N SPEC/AL ST/LL/NG BASIN AND DEWATERING PUMP CONCRETE WASHOUT STRUCTUR TEMPORARY SILT FENCE COIR FIBER WATTLE TEMPORARY GRAVEL CONSTRUCTION ENTRANCE TREE PROTECT/ON FENCE TOP=315.66' �Ivc�SE�-- i,3.�76T � �.o�'C 30" �;�� , C'J7V� ��I ,�� < ; LEGEND C F � — TPF — �� , �= iP�u��'�i��= ,�� ;� - I��t �h��..'_ �I .: L/MITS OF DISTURBANCE (SHADED) TEMPORARY DIVERSION DlTCH GRAVEL/HARDWARE CLOTH TYPE /NLET PROTEG'T/ON COFFER DAM/IMPERV/OUS DIKE TEMPORARY ROCK SILT CHECK, TYPE A SILT FENCE OUTLET CHECK DAM CLEAN WATER DIVERSION � � TOP=315.2�' ��lV(S)=307.28'� C�� NV�NE1�305.95' INV�E)=305.95' - WV�$>=305.60' INV�W�=306.50' 6' PLASTIC NOISE X X BARRIER� FENCE X �—� � � � � � �' �' —�. _ _ ��-�� — �� C`� � - � - —�� 'fOP=312.69' /��' �� , � �NVcM=307�9� / , IhJ\/!r)_`yrl., n,�, / / U HOMEO�NERS AssN �Nc I� 2 HUD�E E & ANDREA C CLINKSCALES � � INSTALL TEMPORARY CLEAN WATER D/VERSION DITCH � W/ GEOTEXTILE FOR SO/1 SHERMAN T STABILIZATION ii �� DILIP K& KEN�MER JR SEE SHEET EG21 PARUL D SHAH (TYPICAL) �� iO��I ` i � ��I II I I�I� I`'I I �' ,1� I� � I � � 25FD I�v o� i� (/� � � �. ' N N 60"14'33" ; TOP=313.6T II I � I � I'�\ ,°1 3.00 � �� INV�W�=309.67' i ` � �\\ il .;� � 7 I � I I(., •: `f.,P � .�... � i � I� � ` .: _ � n i TOP=31I.03' � U,�,! � TOP=313.J Z II cS )-306.23' �G 1 � '�I (' . � �,, G U : G INVBOTTOti1 , _ - �'' I� NV �V - , / �1 � FULL OF DES��IS � � I��NVtN)=306.23' TOP-310.86' 4.5' BK � � � I �� ' '�' � � `�' � iNvc��=3o7.7r - ` � _ ____ _ �X I�/( )=307.7 'FENCE � � � � \ �-�hAETFr,� � �. _ ' �"-r-" X�r�j _ - x�� ' ^ ,_ �� " - -- - — �_ _ _ �o - '�` A � x X; - �-► Le �� —`�� _ ► Y. � \ � c':�, S� _ - �i' c .� ,� r�i.:�E�A�RIER�N..E, �D � � � • _ ,�;° � p -o \� �c� f�`��r Z'�' �-- �� I� - - - � 30' C&G �' - - - , � — � I �� \ �� - - 3�� r$.� - - —� �'�- r � I ��j 15' RCP TOP- 2.16' �— I' �� ' I �\� (n � / / - � _ �� - � �- � — — �' - - - -� = � � � _-. - -6- - � _ .� -� - - - - - �I — � — � � _ � � �. (� r� 1— � _ — � _ — _ _ _ i _ . . � � dhP� —_. ' — _ � � \ � � B,QiI�F�!- l� r— -- _ �. _ . . . — �..i1 • I v � � � � -- - � _ _ _. -- . - — - ---- - - - - � — i6�311.01' - �= - - -e��. ---- - - - � _ = r= r Fo = _ _ - _ _ _ = - T - = -c-- � T J P= 310.04' T�b"- —� -- � 1- - r F o � ; �- �'. O -C� ,.�� TtE�IIb�� 000ao �, - - - - - �' _ �NV(V�)=307.43' o )=304.79' � � - - - Fo- � - - o00000 - - -r Fo- - - - a 000_I--- - . _a $ >>= oT�m - - - - _ � _ _ ��-�- - -� _ T� , , _ _ o 0 � - - - �� --- - — _ / : �� I� � �� - o''r'-n - - - - - - - �� - �-�— - _ M A R K E D�� 30' C & G- - - o ❑'o '�-r' °—_ - -! °o � o O '� '" I - __ --_ � - � _ _ - � � C000000 �g C� — -= • - y� � , - $o 000 000000 �I ` � '_- , � � —� _ \ I I I I I I � ; I ! I ' — �.- ` - �j �� , - �P� - - -T �F = v� � 1"OP=312.60' DI� - - � � / � � �1C`� 5E C _ E � ,� � I�OP^ 309 87 �, , METEP�\ � t' � r � � ' - \-� _ .� .. - %. n1 . • � ` �� BARRIER CE , , , � � ��,� _ . � � ` , �, _ , (S�) 310.12' � . �i ��, �.., C s��•.�V.� �� _ � � r � / ` - �' n. � - , �� . O � ' n'1 O � �- � I , � _� `_t� ��` �NC - - G l ,' y � I ., y � _ �f �Q ,� 70 I �d 0 '� -� � � �; J�� `� � � r _ nl`��` OI O{ I '� L�,Y I �' /� I v� � U / i � '! � -�� RADLEY & CAROLYN � �� ' � � •I i ��I '�:��/ � D G:OODy�iN o> Z ��, I� �-, �, 1 �� ^ � ;s- ", ._.F r- BATOR LII� & CAROL11� GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 1. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER D/STURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, D/RT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. O/ �i� i �_, i. _,- I i� �, I� �;j . HOMEO�NERS AssN �Nc INSTALL TEMPORARY HARDWARE CLOTH & GRAVEL INLET PROTECTION NCDENR PRACTICE 6.51.1 (TYP/CAL) TREE PROTECT/ON FENCE SEE SHEET EG 19 THE GROVES AT I�ORRISV�LLE INC ��.49S 'fi�: : 9 < �- CLEARING AND GRUBBING EROSION CONTROL FOR CONSTRUCTION SHEET 7 PLANS PREPARED BY: Kimley>>> Horn a�i FA�FTT�vu � F sT. Sui-F t>ao i-u��icH.rd�_ -_rr,�,i PNON�a rgi 3I 6�7—�u�n ��x: t9191 677-'05!5 r,�. � i�-E��i_E �F-oio� `� �-,_��a oc O W �. a o�uc a Z � a U � 0 a W � � 'UMPLFII'E PLA�1Q or u� r� ai w �cou�rriod -LI�11�II�IA�Y �LA�I� woT u� ro� �+or, 2 0 ► W o� � G C Z � W � U W Z a � � J M U � �;�= J � � O =� OOCC � � J O � 0 U Z 0 0 W i;i�� F��F��: 012108007 D,4 i E. 5-10-2017 FINAL PLAN EC-5 C O, � � I V W � 0 O � 0 � � � c 0 � c O � � � Q v � � � � .� L � i � 0 0 N O 0 0 0 � � Q � GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITfED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION L7 • /NSTALL TEMPORARY ROCK S/LT �'HECK TYPE A 3' WE/R HEI GHT NCDOT STD. 1633.01 /NSTALL TEMPORARY CHECK DAM � NCDENR PRACTICE 6.83.9 � � : 20' SPAC/NG � INSTALL TEMPORARY ROCK S/LT CHECK TYPE A l� 3' WE/R HEIGHT � � NCDOT STD. 1633.01 � D � � ~CC�V� � E �, E O -� � C � `J `` J�,,�� .. . � G �O �� `�-"'' ��"` �.,:.n . ��, � � =' _�� 7� �\ �__ `-� � '%�c_�. � \ � �� Q �— �--- �. � - �-_ �- l� - __ '-- _ _-'�� ^'�� J_ ,p � (r� -- _ ; ` - _ - — _ I ,S: — r Fo ' ' �a - =- _ ��=` �r;-_ �l . ' ' �CP ` �� ~ _ -� -�� `' � `:, � _ !:� M ��= _ " � 4 � E � _ - - - ..��KF� �� _ 1 �_- � ` =�-�,`�. � QR � - _ _ _- _ -_ E CARPENTER ROAD LLC - INSTALL TEMPORARY CHECK DAM NCDENR PRACTICE 6.83.1 80' SPACING CONCRETE WASHOUT STRUCTURE INSTALL TEMPORARY CLEAN WATER DIVERSION D/TCH W/ GEOTEXTILE FOR SO/L STABILIZAT/ON SEE SHEET EG21 (TYPICAL) INSTALL TEMPORARY GRAVEL CONSTRUCT/ON ENTRANCE A&J �yHITE LLC ADAMS. 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THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION. 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'�� a � � 1 , �1 1 1 ,1 IMPERV/OUS D/KE � `.� �; , � _� �� , �' O � I 1 �� ,\ ` l I 1, '`,1 % O, I r` I �, �� o �� ',� �' � ''; /M�PERVIOUS DIKE ��, � � '�'� � � ��'�� CULVERT CONSTRUCTION SEQUENCE - STAGE 4 � N � � � �� i', � �.�i� , � L ��' C��\ p �'� �� o�'��, �,, ' ,� � �' ��= t-� � �� ' ,� 1. UTILIZE SPECIAL STILLING BASIN(S) DURING CULVERT CONSTRUCTION AS `' 3 , 1 � \ i i;�i nin� ��i � J Z o � �� ,, J � � -.-, 'il� ,i J � � NEEDED. � ,� o o"' '', I � '� CULVERT CONSTRUCTION SEQUENCE - STAGE 3 �a� I„ � W � �� o � _�__- --- - �� o, � 1 ___ �,_ � Q , � � , � � �__ 1 -�,- 2. RE-DIRECT EXISTING STREAM THROUGH THE COMPLETED CULVERT SECTION � � ��', � �� 1 _ - -�� - � � 1 � `; 1. UTILIZE SPECIAL STILLING BASIN(S) DURING CULVERT CONSTRUCTION AS �� _�—� _ - -{- - '','�_ ON NORTH SIDE OF CULVERT UTILIZING IMPERVIOUS DIKES. ~ � I ', NEEDED. ' � 1 ,,�, , , � _ ., r ; . _ 1 � � �{ � �, ,, , ;-�_,_��_ �'� � �' � �� =, 3. REMOVE EXISTING 72" RCP ON SOUTH SIDE OF EXISTING CULVERT. 012108007 _ ,, ! ' n :: (g�,��i � ;;_� J , � �. MAINTAIN EXISTING STREAM THROUGH EXISTING 72 RCP AND THE �, J , � ��,�� , � � � COMPLETED SECTION OF PROPOSED CULVERT ON SOUTH SIDE OF �,, _ � � 4. CONSTRUCT FINAL SECTION OF PROPOSED CULVERT AS SHOWN, DIRECT 5-70-2017 ��1 �� _�� , � CULVERT UTILIZING IMPERVIOUS DIKES. '�m, � �� —��' '� FLOW TO NEWLY CONSTRUCTED CULVERT, AND ADJUST EROSION CONTROL , � � � �� _��- ` ,� � � �� :__ -- - = MEASURES AS NECESSARY. '," ; _ � � �� _ - - - - - - 3. REMOVE EXISTING 72" RCP ON NORTH SIDE OF EXISTING CULVERT. � ` � � �� -� _ :, ---=� ; � � � �;� �� - N\,`;� � � �,� � 5. ALLOW FLOW THROUGH BOTH 48 RCP OVERFLOW PIPES. ,,._. , 4. CONSTRUCT THIRD SECTION OF PROPOSED CULVERT AS SHOWN AND � �.. \� f-� � :....,- �rr .;. , \� _.�, EC 10 _ _ �_ � ADJUST EROSION CONTROL MEASURES AS NECESSARY. �-- Y��,�- ,, -. �;< 6. REMOVE ANY SPECIAL STILLING BASIN(S) AND STABILIZE AREA AS NECESSARY. � � '� �� ' ��,�� I� �� - �`�� '� C O� � � I V W I � O O � O N O � � � a� �' tn c 0 1 � � C O � i L � � C N Q L O C� a� � � � � .� L � � 0 � � � N O � 0 3 � 0 0 � i J Q � � � O N \ O \ � C � N � w � O O � O � N � G O � C � � � C Q L C� � � � .� L � i � 0 � N O � 0 0 O � J Q � GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUT/FILL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. � � � � � Z �i � �-� z �;I, v i � ;ii.>;� V1 � � y � �� i��iv�sV�� og.�s� j � � ��.�/tE)=308.66' � � G'� ' = 3!'i .;i 3 � V(W)=310.13' TOP=312.28' �IVcN>=3��,13' �NV��V�=308.88' ��NV=307.03' � �,it �? : 510.. 3' I�`iV!NE)=308.86' �� GQ 15' RCP ��'e � ` �- -- -- - .� � � f CB CB� � �y00DS oJ _ .��'� �- s� " O -- � — — ---- -- — --- — — — — � �, -=L- S -30 �4 (MORR/SI//t! � � �-- i— - - --- - ; , ;✓rD1AN�--- � P=313.14, -- ��r��;iER ` >>= I 99' � i � _ -_ -S� � S�'�.�., r�0�.! 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COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION �. ,--- , _ _ � _ - �,:_ �.25• iNv ��o2.aa� I J=302.42' � yVoo�s _ T 0 = 31 I ��r� �N 30�� " � �, � I -,;� ;= ;=> L�i ;_I �� DHARI�ESHKUMAR J roP=3i3.97� & BHAyIKA D PATEL inovcyy�=3os.i?' - �NV(E)=308.5y' cL',- - _ __30' RCP ;CB � ��NV=307.64-- -- - - -- - _ N ' � �) 0''I f~� �Q . . „�,� 2' BK: �yALL �� , g•�V / // f� -� `:�) - � S��° �- � j � N ADDISON PARK rop=3eyor� o�MuN�TY AssN �Nc INV��V�=303.6� iNv�N�=3o� 6�� iNv�. �_._�.��:�. �� / ; ; r �; f � n d� � �� i' '34< �, ��. 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WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRA VEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUTIF►LL SLOPES INCLUDING BASINS AS NECESSARY FOR STABILIZATION 5. DO NOT ALLOW CONCRETE DUST/WASTE/WASTEWATER INTO STORM DRAIN OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF OF ROADS, DRIVEWAYS, OR PARKING LOTS. 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH OF TIME THAT DISTURBED AREAS ARE EXPOSED. 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END OF EACH WORK DAY. 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROIECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT I NSTALLATION � � � N Q z •� �Q Q Z FINAL EROSION CONTROL FOR CONSTRUCTION SHEET 6 PLANS PREPARED BY: Kimley>>> Horn a�iFA�FTT�vii.i F sT. sui-F t>ao GALEII;H.G,Ii= -srr�,nl FHON�: i91=11 b f7-?U00 ��x: (91�1 677-"t05u NC LIi-EG1=E "F-Gli �� '�5W � 0 W o� a o�uc a z � a U ; O a 4i � � 'UMPLFII'E PLA�1Q or u� r� ai w �cou�rriod -LI�11�II�IA�Y �LA�I� woT u� ro� �+or, � a 0 H � W CC � 0 O Z � � W � U W Z a � � J M U � v; � = J � � O �� OOCC � � J � � 0 U Z 0 0 W i;i�� F��F��: 012108007 D<;� E. 5-10-2017 FINAL PLAN EC-13 c o, � � i v W i � O O � O N O � � � a� �' tn c 0 1 � � C O � i L � � C N Q L O C� a� � � � � .� L � � 0 � � � N O � 0 3 � 0 0 � i J Q � � � O N \ O \ � /NSTALL TEMPORARY CHECK DAM � I- NCDENR PRACTICE 6.83.1 IE U FV 70' SPACING O INSTALL CLASS 'B' R/P RAP DITCH L/NER INSTALL TEMPORARY ROCK SILT CHECK TYPE A 3.5' WEIR HEIGHT NCDOT STD. 1633.01 CARPENTER ROAD LLC INSTALL TEMPORARY ROCK SILT CHECK TYPE A 3.25' WE1R HEIGHT � NCDOT STD, 1633.01 � INSTALL STRA W W/ NET � TEMPORARY DITCH LINER � /NSTALL TEMPORARY � CHECK DAM NCDENR PRACTICE 6.83.7 � C � 55' SPACING �__ �� C F E INSTALL TEMPORARY O - \ \� �� C E F HARDWARE CLOTH & GRAVEL O �_ � %� 3ad _ INLET PROTECT/ON — � , — � ,_ � � � ' �� ` z� -- - _ _� __ NCDENR PRACTICE 6.51.1 _.� _ $ � � -- _ - - - �Bo° �- ` TYP/CAL) X � - . o ��,, � ; INSTALL STRAW W/ NET ,�, �- � ; � � � - - �� _ � ��Od TEMPORARY DITCH L/NER � � � � , � � ,.�� ,; =� ", , E ,- _ _ - _"' - � - � � � C � _ � _ � _ - , _ _ � _- =_ \ r 3Qd E _ � � - - � _- _� , _ l ' ' _ ` - _ - _ oo � _ -�� _ C , ,, - —.. � __ � _� _ � I r1 ` _ ` _ , , - >= _ _, , � - - °pOpoo° \ ��d E E �_ _ - , CB - � -- -- � I -_ � _ - - C \ _ -_ =_ ,_, - ^w_ •�► �� --� � �� ll `` ,;;` \ ', . E � � �� ' � s �� , �� -�__ � V_, `� �' � - _ / E�� - E �� $q� - � � __ `� � � , ',� f . � — � � �,� �' �i� �- , O �� — _ -�' , ; F � -- ; �� Q � � THE GROVES AT /�i � � I�ORRISV�LLE INC � � � CONSTRUCTION L/MIT SK/MMER SEDIMENT BAS/N SPEC/AL ST/LL/NG BASIN AND DEWATERING PUMP CONCRETE WASHOUT STRUCTUR TEMPORARY SILT FENCE COIR FIBER WATTLE � TEMPORARY GRAVEL N CONSTRUCTION ENTRANCE , 0 � TREE PROTECT/ON FENCE \ � � f i�\i�L, Of"`UL�RI �. 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PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN. 3 DAYS OF DRY WEATHER DURING INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE SUBMITfED FOR APPROVAL PRIOR TO CONSTRUCTION. COFFER DAM IS INCIDENTAL TO CULVERT INSTALLATION - E E \`��\��` � = I;_ \\ � F \\ ^� \_ �— __ — � / � � \ i � �� \ �� - ��, \ m �� \ � \'�� `� �� `�� \� � , ��V� �\� . i�r�tV��, A\\V �';� �I m � m E �E - - -C - - -- E A&J �yHITE C �E ��y, =, I �,i —i = —_ GENERAL NOTES (TYPICAL ALL SHEETS): 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW POINTS ARE ENCOUNTERED ALONG SILT FENCE RUNS. 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN DEEMED APPROPRIATE BY THE FIELD ENGINEER. 4. 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' �I % \ � � 0 00 0�l � INV=294.40' GENERAL NOTES (TYPICAL ALL SHEETS): LEGEND 1. WHERE SILT FENCES ARE LOCATED BELOW STORM DRAIN OUTLETS, THEIR LOCATIONS MUST BE MODIFIED AS THE STORM DRAINS ARE INSTALLED SO CONSTRUCT/ON L/MIT LIMITS OF D/STURBANCE THAT THE FENCES WILL PASS OVERTHE PIPE OUTLETS. C F (SHADED) 2. SILT FENCE OUTLET MUST BE ADDED IN THE FIELD WHENEVER LOW PO►NTS TEMPORARY D/VERS/ON -► TD ARE ENCOUNTERED ALONG SILT FENCE RUNS. � 3. INLET TUBES "SILT SOCK" AND FILTER SACK INLET PROTECTION MAY BE USED SK/MMER SEDIMENT BASIN DITCH IN PLACE OF HARDWARE CLOTH AND GRAVEL INLET PROTECTION WHEN GRAVEL/HARDWARE CLOTH TYPE � DEEMED APPROPRIATE BY THE FIELD ENGINEER. INLET PROTECTION 4. USE ROLLED EROSION CONTROL PRODUCTS ON ALL CUTIFILL SLOPES SPECIAL STILLING BASIN �_ INCLUDING BASINS AS NECESSARY FOR STABILIZATION AND DEWATERING PUMP COFFER DAM/IMPERVIOUS DIKE � 5. DO NOT ALLOW CONCRETE DUSTIWASTE/WASTEWATER INTO STORM DRAIN CONCRETE WASHOUT STRUCTURE a OR OFF-SITE. ALL SEDIMENT MUST BE CLEANED OFF THE ROADWAY BY DRY SWEEPING TEMPORARY ROCK SILT � METHODS ONLY. WATER MUST NOT BE USED TO WASH SEDIMENT OFF CHECK, TYPE A OF ROADS, DRIVEWAYS, OR PARKING LOTS. TEMPORARY SILT FENCE 6. MINIMIZE BUFFER DISTURBANCE AS MUCH AS POSSIBLE. WORK WITHIN � BUFFER ZONE SHOULD BE SEQUENCED TO MINIMIZE THE LENGTH � SILT FENCE OUTLET OF TIME THAT DISTURBED AREAS ARE EXPOSED. CO/R F/BER WATTLE 7. STREAM BANK STABILIZATION SHOULD BE PHASED SO THAT EACH CHECK DAM � DAY'S WORK IS COMPLETED AND ADEQUATELY STABILIZED AT THE END TEMPORARY GRAVEL OF EACH WORK DAY. CONSTRUCTION ENTRANCE CLEAN WATER DIVERS/ON -' CWD -� 8. CONTRACTOR TO ENSURE THAT ALL ROADWAYS AND CURB LINES ADJACENT TO THIS PROJECT ARE FREE OF DEBRIS, DIRT, AND EQUIPMENT TREE PROTECTION FENCE - T PF - DURING THE PROJECT DURATION UNLESS DIRECTED BY THE TOWN ENGINEER. SLOPE STABILIZATION ALL DITCH SLOPES, CLEAN WATER DIVERSIONS, CUT SLOPES, AND FILL SLOPES ARE STEEPER THAN 3:1 FOR THE LENGTH OF THE PROJECT. THEY WILL REQUIRE 7 DAY STABILIZATION PER NPDES GENERAL � STORMWATER PERMIT SOIL STABILIZATION TIMEFRAMES PER THE TABLE SHOWN. PIPES SHALL BE INSTALLED IN THE DRY (WITH A MIN 3 DAYS OF DRY WEATHER DURING � FINAL PLANS PREPARED BY: EROSION CONTROL FOR CONSTRUCTION SHEET 9 Kimley>>> Horn , � F��F � � � �� sT. �u�-F �>t,� � uLLILH M rrnl FN��N iMl +1 e r r �u�i0 ��X �9�� F �, �5�� i� � i� t��i�t �r ii� �� J-��a I�T�PLFII'E PLA�1Q �o or u9a r� ai w �cou�rriod ��war�� oY�a�� O�� Y �� \ � _(�' ' ' O C O i�, � : � � � c'` � U INSTALLATION) OR PROVIDE COFFER DAM AND PUMP AROUND. COFFER DAM DETAIL MUST BE `r` � V- \ pp � � I _ SUBMITTED FOR APPROVAL PRIOR TO CONSTRUCTION. COPFER DAM IS INCIDENTAL TO CULVERT � � - � '� INSTALLATION %' � � � \ / �' �i � S � 1 i N - ` CA ,I` ;. � � __ � ', II � � j 1 I I � I i _ _,�'✓ 11 I'' " TO�N OF MORRISVILLE i� � � g• PV�,, I � � � � ss- o 0o (� ;I �- o e > $ ' - -- --- -- 1`S�P 2� � iIUV iK� ?92,02' �� o 0 i�,��°" � � � °o 00 �-, � FIRST BAPTIST CHURCH ' PDE - o� I � � ; ��NV=299.30' 0 o � i- ,. �` TOP=296.18' I qj i�)P=295.�. TOP=296.58' INV W=292.88' I 1 ,� � � O° o - �NV IN=293.23' �NV OUT=292.40' � /; i� �;� �N=292�- � i� 4 1, g �r�v ouT=293.�2• GERALD �AYNE � ��, 'i°��=�� .� 34d I� �' � o TOP=295.72� PERRY AND BARBARA r� ' o 00 °O ,° Wv IN=292.97' � - 1 I ^ �Nv ouT=292.6z� HANSLEY PERRY I� �: -_- -- �= r � n i � r � i 1 r� v, � ��'� � ^lN.,�_._ 0 LC�. T� ._h� Vi , --_„ � I I i � � i � " 2O i oa ''- INSTALL TEMPORARY V � � 0 A H T K R A J ES UC E D i�/ I o M N � 0 0 , HARDWARE CLOTH & GRAVEL THO�IAS 0 TUCKER j BARBARA F STEPHENS �,' o \ oo , �� - INLET PROTECTION � ''� - , � �i;;. 1 I , ,I � NCDENR PRACTICE 6.51.1 � � � o �„�� (TYPICAL�, � � � r��N,`� � I � �I �� ; � � _ ii rP _ I V;, � '` � K ��v�.vVi=z95:2�' TO�IN OF �ORRISVILLE c_� ; � -- ,� � �o SB INVWE)-294.99 _ - _ __ �i TOj�IN OF MORRISVILLE Q -- x-�- � o �, MOFj R�ISV�LLE ;, 0�-: 99.93' - � I � � � � o �;,_ TOYVN HAL �N 5��=296.18' � � � � �� Q � �� N E>-296.03' X � � � � TOP=296.43' TOP-3C �g' ' � r�� IN T-293.53' �r� _ ISFp ,,�, I �� I i � i� cr, -�. ae, � TOP-298.38' r l� � � ` N�-�� .69• � _ - PUBLIC i '� 1 �o � � �NvcsE�=?93.77• . � ,� � " � �; . �� . j � ' ' � � �� ' �' � �,.5 � � -- - - _ -�,� � J z � � � • � � � � � � '�� , , � �� 3 • - - ' ' - -� � � , � - CO OF�CE� ,, ; � ��._ ��.'� `� _' 4'� � � \`� , '�� _ � ' �Q �F �9.6�� 3o.u� � _,;r /` i�v i tSE�-2y�.,?�' N L � - METER � '� � I � � _ � '-�- I ii �>. � , i _`- � -' ��-, INVW�)=294.93' � � TOP 97.98 � W U �� ' �� / - �, `� �,�, � �_ � \ �1 INV{S y)=293.53' i � MORKI$ � I >�E � � I � �v, INV(N )=294.81, INV=301A2' � � �I � �'� I � V -� � �� "� � WV�SE)-293.53' � i i i 1�� ;� � 'i' �-� IIVV=297.5� � � r,� 1',�, �', � �i�j �; � �,y � � �� fi,�_?��.�2` , � �.�y � TOP-301.00' 'v ��.z �� pc - - � E _s' E _ ��„��.,r o � , � - � iYM�T� - SO/�� Y (S )-Z95,0�' � I tS)=296.45' � o ,' -e_ e ,Q � -�.�. � . i` / _` I � _ 000000� .� I� � � � N V � �� ; 4r °3,�g�' NV I� 9°� -� O '`�� ,, , - , '� ; `� � � �' � � . - / �.��-- - �-� ' - ,;` � - ° o � oo� o00 `,, ' ;�4c, .�.; INV�N )=296.480000 �c'' ' _ � + '�c, � ��`;,, �.,� �:�..� � � �_ - e, �l _ - I --� , _ . ,. _, _ _ _,�- o 00000 � � ! � I , �Nvcyy� z95a��; o ,..,_ � �4 ' � �,�; �NV-300.99' , Ic� j� TO OF ORRIS ILLE . TOP=298.i0' p =` r,�,. oc , , � - �',-_ _ -. , ��;,�, _ � � . y. _� . � - � o 0 o°F 3 � � � T o = � � V TOP=298.42' IN�(5)=294. ,�` �,� ct oc , � , F oao ❑ o N M P W � �, � - - - - [ -2�3 . a - _ -- _ ❑ � _ F ° ° _ o � �'� 1� `�' cS) 294.96' INVWEl=28 � .i8, _ O _ - - O ' � - Q _ , � -- - -- - , -_I`_ - _ - ` --- ,_- - ;,ti` ' ��.,.;.�;�is iNycN� 94.73' � a , � � (� ,- __ � _ - - - - �_-;-_ -- , - - r - �� _. °oo \\o �°o � ,24' RCP � � <� � �"p^ 0 3 3 - _iz i - � �.r-�, , -_ - '_ _ � ;- � : �$ TOP=300.4 oWc � � ' � ; � � � -�e- - - • - -_ -- - --- ' _--- - � � ., � -_ ° a000 DI ' M T I .. j, a ,,: ; ,� :, O � �� 4� ,;u _ � - - � - � °� o o a -,' j ° � � �_ - � - pp �j =298 04 � � - � "� -- 00000a-oaaoQo-�_ � . �� V -� �- - _- � - , - _. � � �� - � '� °ooaoa°o � _ o o �- -� oa �k �U'i ST � � �� , ; �'y I�V( ) . � l � � � - ooaoao ,�� a °poo _ _ �_ V= - � / / Z ? � �r �J - J �� , _- ; -- - -- . - , - � -� , . I 99,ya � r�. , _ n_� � ,,�� oa000 _ , � � _ � ' -- - --- I �_ I � ° �i�C ' � . , u,J� � / � c� O __ D . � , ,, '' � � i g -� �j, �J, O � o - - • _ ¢ _; _._ - - : -- �- oaooao 000000 - -- - ' o -" : v, i 24• RCP _ ►� / ,, + �;� o0 ooa o a� _ - , � ;: o � � - ' -JP w � �� ` / � a � - � � - �_ : s�- -� � � :� i' ' "- ; �' � C � � o0 000000 - -- � / _ � o00000 0 00 � ✓ � � , ( , � q Y 15' R C P � ; - - , COtiC DIl � / l l 1 __- o 0 0 0 0 --_ / o o-�. pi� � ,� - - _ _ __oaaaao 000000 � �-, �� - -- - - - _ - _ � 1° i r Q _ -- , -- ---- ` ` � - - - `� N = 7.38 � _ _ , �- ` - 29 i a 0 000 - � � , 000000-oo 00 �� ooa000 --_-� ,\` - _ / \ oc �- _ -- , oa `\ ° ` -, g _ _ � _�. � __ ,_, - - - . _ � � o� I V(� ) 297.2 i J � �\` Q 9_ o 0 0 -,. �� o -`_ , � ao o g '� --- - - � --- - - � V� �_ a � 1 _ ,i � �J - - _ _ _ _ _ �y,� > - �_ : - _ � - - - - -- � _ _ - - - - - __ ._. a ° �� ' Plir � �-- . � � � _. � 711 � '�,� � t �_ , � �� lC� ' , , � - � �- _ , � _ _ _ ------- - - - , � , --- - - - „ � �, ,3 _� z �- . _ � _ _ _ _ ..� --,. , - � _ _ _-_ _ __ -------- - - _ - _ ` ---- - --{ �R � ,� . , - - � - �- � - --- - - --- --- --- A� � �c2- W _ _ � �4 - _-- _ _. _ � /F ' � J- - _ - - - - - - --- - - - _ _� - _ � ----- �� , - _ - - ---- _ - _ _ - � � - -- � -- _ __ E � _ - - - - -- � - - -- - - � �� , ; a � -- _ _ - � � �i � ---� - � ' �_-�' ' `-' , � E i'. � � � � � 1 -- -- - : --- -- - __ E ��i'R -- - - , _ ,� ��. - - - �, � , �. _ �, � , � , � __ -� �Nsra1� srRaw w� �vEr ; ,, - '�_ w ; " , F , , ,, _ _� R If;tt�- � - M W -- -- _ F _ _ � , � � /Q , W �c J -- � � -- - � Fj�i ` �. -/ J z E „ _ I LL _ ,_ . . � ;, � � � , O , i OP=` r" 3 e- �'rT �� ,p� � J ,; � `-- I TOEMPORARYDITCHL/NER J_ � r �--_- -_-` r' ,l ' INV(S . �4 ' INV(NVN�=293.�� ' � / �F�F�'Cw� ''_ � E�;�ii V' � � - ��;�� - 4 E �� {� -- -- -C �-- � .�� " ,;`'�"/ � � �NVtS - o�� i/=�E ��s��v \i, � f�/ � O � � ,, ; . , �. � - � - - = 3� E � - - - - _'~~. , � --- _-,� � � , �,,\\ , 1 /k. � Vr� � =_ E�E METE`(� .�\ - - � � U , o0 0 --- - -_ - - - - �---- -, <� �, �-�_ � =- _ � __ , �_� � / _ r pr / / -_ V oc - I_ 1 � c°o � ° � - - � �- � - � - - ___ - �/ / _~ � � � _ 7 A, F C I _ _ � O _ , , _ , y � � - � \ : , � � � ' -- �� -- - - --- . - � � � � �� 3FP � ,< _ _ . . RAF� � �� / . ' =; / � � , � �j ' - Q ! o --- - - _ -� � _-- ---- _ . - , __ � - -=- / , i / '� �`��t SOUTHERI� RR� � • � _ ooc � -- - �-- __ `'�''�!,� �, o0 00 - -- � , �, " - - -- . ,. --- X_ 2SFD . � � I , , _ _ _ � � � � �.._ , >, d � � r � / // �� - �.-�� _.. ISFBUS a i �'�- % , � a � V ' , � a �� E ' ��, , ' ;�-� = �� - � � � � � - - - _ �� _ � � � „ f' � � / ,1_ 1, �� - - - _ ,, _! d4-296.1� � �/� --_ ,� - � � � �` � --- _ - - � _ � �' ,�� '10 /� . � ' - � �' / � `-' � , _ - - �� _ - - - _ ' � � � ��,�, R �SVi� �� l � �. - _ ��= � � �� V �' �`' i �I _ _ _ __ _ _, � _ �_,,_, �E �� , �� / ��, ►i ; - - - - '` _'. , �� O `' � � 1 �I - - - _ E E E -�- � �'�__, � ' -_./ /1 �-� � �' i �,�� _ � �` - - - - � - - - - INSTALL TEMPORARY � � -_ �_ --� _ � - �"� Q '� Z � � - _ _ = - � `�, _ � ► / - --- E � � �- Z i�; � 1 I � E ' E ROCK SILT CHECK TYPE A� . `� T��IN_ QF �r=� � c�.+ � - '� I �' ' E E �: 3.25' WE/R HE/GHT � ,� ,�� OR IS�ILLE�, ___ 1 Z INSTALL OUTLET STAB/LIZAT/ON ; NCDOT STD. 1633.01 - d �� H i' ``� - - � E STRUCTURE � (TYPICAL) � 'f ISFD h � NCDENR PRACTICE 6.41.1 �ii �u �� W1 = 3J5' INSTALL CLASS 'B' �� • R/P RAP DITCH LINER � '� �. LA = 8 � ! 'I � _ � VI/2 - 9,25' INSTALL OUTLET _ N INSTALL JUTE NET STABILIZATION STRUCURE � ��'��`' ��`�"-�� INSTALL SILT �� TEMPORARY DITCH LINER NCDENR PRACTICE 6.41.1 �`� _ 1� O11 �OHOO7 FENCE OUTLET � y /NSTALL TEMPORARY W1 = 7.5' INSTALL TEMPORAftY ol' ;'�� ► c�aTE� SEE SHEET EC 18 v Q ROCK SILT CHECK TYPE A LA = 16� CHECK DAM � I�� v 5-1O-ZO17 (TYPICAL) = � �r,<�. �,; n ;,� � 2' WEIR HEIGHT W2 = 18-5' NCDENR PRACTICE 6,83.1 I5 � z NCDOT STD. 1633.01 RESEARCH TRIANGLE REGIONAL �NSTALL S/NGLE FIBERGLASS 75' SPAC/NG FINAL PLAN (TYP/CAL) PUBLIC TRANSPORTATION ROVING TEMPORARYDITCH L/NER /NSTALL TEMPORARY INSTALL OUTLET INSTALL TEMPORARY SED/MENT FENCE STABILIZATION STRUCTURE CHECK DAM NCDENR PRACT/CE 6.62.1 NCDENR PRACTICE 6.41.1 NCDENR PRACTICE 6,83.1 (TYPICAL) W1 = 4.5- - EC 16 45 SPAC/NG /NSTALL DOUBLE FIBERGLASS � LA = 9' TRIANGLE SIKH GURUD�yARA INC ROV/NG TEMPORARY D/TCH L/NER ��.� _ ..., �� o, � 0 0 � c� W � � 0 0 , 0 � � � � � c 0 � c 0 � � a c a � v a� , � � .� L � � � 0 � 0 N 0 � 0 � 0 � � J Q � � CONST RUCT lON SCHEDULE CONSTRUCTION SPECIFICATIONS l. P/eose refer to the E�osion ond Sediment Contro/ plons for detoiled constructlon scheduling and sequencing. 2. Obtain plan approvol and other opplicable permits including grading permits for borrow site. Refer to Section 230 "BorroW Excavotion" In the 20/2 NCDOT Standord Specifications. 3. Flag tl� work limits for protection. 4. Hold preconstructlon conference at least one Week prior to starting construction and invite NCDEQ. NCDEQ LQS contoct number i s l9/9179/ -4200. 4a. Noti fy NCDEQ LQS f Joe Dup�ee - 9/9 -79/ -4200� 48 /�urs prior to construction beginning. 5. Prior to any /and disturbing (Inc/uding demolitionJ activities, install clean water diversion ditches, skimmer sediment basin. tempo�ary diversions, fabric/block ond grave/ drop in/et protection, temporary grove/ construction entrance/exits, concrete woshout structures, check doms. temporary rock silt cl�cks, tree protection fence. and silt fence as shoWn on the erosTon control plons. 6. ln accordance with the erosion control plans ond traffic control plons: install in/et protection and erosion control meosures. After in/et protection ond erosion control measu�es are in place. grode roadway, install storm droin system. Until boxes ore built ond yord inlet devices Tnstalled, install and maintoin storm drain under construction at end of doy or onset of roin. P/ace out/et protection as shoWn on plons. Place odditional check doms and stabilized ditches as indicated. Modify silt fence p/ocement around pipe in/ets and outlets os necessory, place silt fence around top of proposed headwalls. 7. Comp/ete fina/ g�oding for roads ond stablllze with g�avel. 8. Finish drainage in/ets, place curb ond gutter and pavement, and build sl�u/ders. 9. Finish grading of s/opes, topsoil critica/ areos ond permanently vegetate, seed and mu/ch. l0. Vegetotion along streom banks shou/d be cut and root mot/stumps left to stabilize bank untll such time as construction activity warronts their removal. ll. All g�aded areas will be seeded, fe�tilized and mu/ched according to NCDOT specifications to maintain o vigorous, dense. vegetative cover Within 2/ co/endar days or sooner of completion of any phase of grading. lf work on the project ceases for more thon the afo�ementloned length of time. all disturbed o�eas shall have temporory vegetative g�ound cover established ond erosion cont�ol devices maintained. l2. After seeding is establisl�d, tl� cont�octo� shall call NCDEQ and arrange for a fina/ site inspection. Upon app�oval, all temporory erosion control measures shall be removed from the pro ject. l3. All erosion and sediment control practices Will be inspected week/y and after roinfall events. Needed repoirs will be mode immediate/y to restore sediment containment. l4. All opplicab/e erosion and sediment contro/ must be maintained until a vigorous stand of permanent ground cover is established and pe�manent vegetatlon is well established. Estimated time before final stab7/ization is l8 months. l5. Site includes approximote/y 5.05 acres of permanent vegetation area. l6. After site is stabilized. skimmer sediment basin, temporary dlversions. const�uction stoging and material areo stockpile a�eas, and oll other erosion control devices shall be removed, restored as existing, and permanent/y vegetoted as descrlbed in the maintenance and vegetative plon. l7. The previous 30 days of self -inspection reco�ds, rain gauge, approval certificate/letter, approved p/an, and NPDES permit Will be kept on site near the maln construction entrance for the entirety of the project. MA/NTENANCE Follow the construction sequence througi�ut proJect development. When changes In construction octivitles ore needed, amend the sequence schedu/e in advance to maintoin management control. Notlficotion of Land Resources Sedlment and Erosion Control Se/f -lnspection Program: The Sedimentotion Pollution Control Act was omended in 2006 to �equire that persons responslb/e for /and -disturbing activities I nspect a pro j ect af ter each phase of the pro j ect to make sure thot the approved erosion and sedimentotion control p/an is being folloWed. Ru/es detailing the documentatlon of these inspectlons took effect Octobe� l. 20/0. The se/f -inspection program is separote from the Week/y se/f -monitoring progrom of the NPDES Stormwater Permit for Constructfon Activities. The focus of the se/f -inspection report Is the Installotion and maintenance of erosion and sedimentation control measures according to the approved plan. The inspections must be conducted after each phase of the proJect, and continue until permanent ground cover is establisl�d in accordance With NCGS ll3A-54.1 ond l5A NCAC 4B.0/3/. The Se/f -lnspection Report form is ovailab/e as a Word Document and PDF from at http://portal.ncdenr.org/Web/lr/erosion. lf you have questions or connot access the form, p/ease contact NCDEQ Lond Quality Sectlon at �9/9J 79/-4200. MA/NT ENANCE PLAN l. The Contractor sholl check all erosion ond sediment control proctices for stability ond operation following every runoff producing roinfoll but In no cose /ess thon once every Week. Any needed repairs will be mode immedlote/y by the Controctor to maintain oll proctices os designed. A/so per Notiono/ Pollutant Discharge Eliminotion System fNPDESJ general stormWater permit, a roin gouge must be Instolled on si te. T he rai n gouge must be kept onsi te and I nspectlons by the contractor must be made ond logged after every half i nch of rai nf oll ond once o Week. 2. The Contractor shall remove sediment from skimmer basin Wl�n storoge copocity hos been opp�oximate/y 50% filled. Grove/ Will be c/eoned or rep/oced when the skimmer basin no longer droins proper/y. 3. The Cont�acto� shall �emove sediment f�om behind silt fence When it becomes 0.5 feet deep at the fence. Silt fence Will be repaired as necessary to mointain o barrier. 4. The Contractor shall fertilize, reseed as necessary, and mulch all seeded oreas occo�ding to specificotions in the vegetotive p/on to maintain a vigorous, dense vegetative cover. 5. The angle for graded slopes and fills shall be no greater thon the ang/e thot con be retained by vegetative cover or other adequate erosion-control devices or structures. ln any event, slopes left exposed Will,Within 7 or /4 colendar days of comp/etion of any phase of grading, be planted or otherWise provided with temporory ground cover, devices or structures sufficient to restrain erosion. Permonent groundcover Will be provided for all disturbed oreos Within /5 Working days o� no more than 90 ca/endar days (Whichever is shorterl following completlon of construction. 6. The Town of Morrisville contact is Mike INrlght f9/9� 463-7083 LAND GRAD/NG (6002� CONST RUCT lON SPECIFICAT IONS R/P RAP (60/5) CONST RUCT lON SPECIFICAT IONS Subgrode Preparation - Prepare th�e subgrode for riprap ond filter to th�e required lines and grades shoWn on the plons. Compact any fill required in the subgrade to a density opproximating that of the surrounding undisturbed material or overfill depressions With riprop. Remove brush, trees, stumps ond othe� ob J'ectional materiol. Cut tl� subgrade sufficlently deep thot the flnished grade of tl� riprap will be ot th�e elevotion of the surrounding oreo. Chonnels sl�uld be excavoted sufficiently to olloW plocement of the riprop in o manner such that the finished inside dimensions and grode of the riprop meet design specifications. Sand ond gravel filter blanket - Place the filter blanket immediately ofter the ground foundation is prepared. For rovel, spread filter stone in a uniform loyer to the specifled depth. Wl�re more �hon one loyer of f1/ter moterlal is used, spread the layers With minimal mixing. Synthetic filter fobric - Ploce the cloth filter directly on the prepored foundation. Overlap the edges by at least l2 incl�s, and space onchnr pins every 3 ft olong the overlap. Bury the upstream end of tl� cloth a minimum of l2 inches below ground and Whe�e necessory, bury tl� loWer end of the cloth or overlap With the next section as required. Toke core not to damage the cloth when plocing riprop. lf damage occurs remove the riprap and repair the sheet by odding onother layer of filter materiol With o minimum overlop of l2 inches oround the damaged oreo. lf extensive domage is suspected, remove ond reploce the entire sheet. Wh�ere lorge stones ore used or machlne plocement Is dlfficult, a 4-inch layer of fine gravel or sond moy be needed to protect the fllte� cloth. Stone Placement - Placement of �iprap sl�uld folloW immediately after plocement of the filter. Place riprap so that if forms a dense, well- raded mass of stone with a minimum of voids. Tl� desired disbribution of stones �hroughout the mass may be obtained by selective loading ot the quarry and controlled dumping during final placement. Place riprap to its full thickness in one operation. Do not ploce riprap by dumping through chutes or other metl�ds that cause segregotion of stone sizes. Take care not to dislodge the underlying base or filte� wl�n placing the stones. The finisl�d slope should be free of pockets of smoll stone or clusters of large stones. Hond plocing moy be necessary to ochieve the proper distribution of stone sizes to produce a relatively smooth, uniform surfoce. The finished grade of the riprap should blend With the surrounding areo. No overfoll or protrusion of riprop should be apporent. MAINTENANCE lnspect chonnels ot.regulor intervols as WeII as ofter mo�or roins, and moke repoirs promptly. Give speciol ottention to the outlet ond inlet sections ond other points Where concentrated floW enters. Corefully cl�ck stability at r� qad crossings and look for indi tions of piping, scour holes, or bonk failures. Make repairs immediotely. �intain all vegetotion ad jacent to the clx�nnel in o healthy, xi vigorous condition to protect the orea from erosion and scour during out-of -bank floW. Control of Weed ond brush groWth may be needed in some locations. l. Construct and mointain all eroslon and sedimentation control practices and measures in accordance with the opproved sedimentation control plan and construction scl�dule. 2. Remove good topsoil, as determined by a Geotechnica/ Engineer from oreas to be ,groded and filled, and preserve it for use in finishing the grading of all cr�ticol areas. 3. Scarify areas to be topsoiled to a minimum depth of 2 inches before placing topsoil. 4. C/ear and grub areos to be filled to remove trees, vegetation, roots, or oti�r obJectlonab/e moterio/ that would affect the p/onned stobility of the f1/l. 5. Ensure that fill material Ts free of brush, rubbish, rocks, logs, stumps, building deb�is, and other materials inappropriate for constructing stab/e fills. 6. Place oll fill In layers not to exceed 9 incl�s in thickness, and compact tl� layers as required to reduce eroslon, slippage, settlement, or otl�r re/ated problems. 7. Do not incorporote frozen material or soft or high/y compressible materials into fill slopes. 8. Do not place f1/l on o frozen foundotfon, due to possible subsTdence and slippoge. 9. Keep diversions ond other Woter conveyonce meosures free of sediment during oll phases of development. l0. Handle seeps or springs encounte�ed during construction in accordonce With approved methods. ll. Permonently stabilize all graded oreos immediote/y ofter final groding is comp/eted on each oreo in the groding plon. Apply temporory stobilizotion meosures on oll groded areas When work is to be interrupted or delayed for l5 Working doys or longer. l2. ShoW topsoil stockpiles, borroW areas, and spoil areas on the Plans, and make su�e they are adequate% protected from erosion. lnclude final stabllization of these areas in the plon. MA/NTENANCE Perlodically cl�ck all groded areas and the supporting eroslon and sedimentat�on contro/ practices, especially after heavy rainfalls. Prompt/y remove all sediment from diversion and other Water-disposa/ proctices. lf Washouts or breaks occur, repolr them immedfately. Prompt maintenance of small eroded areos before they become significant gullies is an essential port of an effective erosion and sedimentation control plan. IMPERV IOUS D/KE CONST RUCT lON SPECIF/CAT IONS l. lmpervious dike shall not permit seepoge of vyater into the const�uction sit or contribute to siltation of the stream. The impervious dike shall be constructed of an occeptoble moterial in the locotions noted on the plons or as directed. 2. Acceptab/e material shall inc/ude but not be limited to sheet pI/es, sandbogs, and/or the p/acement of an acceptab/e size stone lined Wlth po/ypropy/ene or othe� impervious geotextile. 3. Eorth material sholl not be used to construct an impervious dike when it is in dlrect contoct with the streom un/ess vegetotion can be established before contact with the stream takes place. Moi ntenonce During construction, the impervious dike should be inspected regular/y to ensure no seepoge is occuring. lf seepage is encountered, measures shou/d be taken to immediotely repoir tl� dike. GRASS -L/NED CHANNELS (6030) coNsrRucrioN sPEciF�carioNs l. Remove all trees, brush, stumps, and other obJectionob/e material from the foundotion areo and dispose of properly. 2. Excavate the chonnel and shape it to neat lines and dlmensions shoWn on the plans plus a 0.2-ft overcut oround the channel pe�imeter to alloW for bu/king during seedbed preparotions and sod buIldup. 3. Remove and proper/y dispose of oll excess soil so that surface water may enter tl� channel free/y. 4. The procedure used to estoblish grass in the channe/ Wi�� depend upon the severity of the conditions and selection of species. Protect the channe/ wlth mu/ch or a temporary /Iner sufflclent to withstand anticipated ve/ocities during the estoblishment period. Ma�NrENaNcE During the estoblishment pe�iod,check grass-lined channe/s after every roinfoll. After grass is establisl�d, periodically check the channel; check it after every heavy rainfall event. lmmediate/y moke repoirs. lt is particularly important to check tl� channel outlet and all road crossinqs for bank stability ond evidence of plping or scour holes. Remove all significant sediment accumulations to maintain the designed corrying capocity. Keep the grass in a heolthy, vigorous condition at all tlmes, since it is the prlmary eroslon protectlon for the channel. V EGET AT /V E PLAN �6a1 /� SEEDING SCHEDULE Sl�ulders. Side Ditches. Slopes f3:lJ Dote Type Planting Rate Aug. l5 -Nov. l Toll Fescue 250 /bs./acre Nov. l-�ar. l Tall Fescue 250 /bs./acre & Abruzzi Rye 25 /bs./acre Mar. l-Apr. l5 Tall Fescue 250 /bs./ocre Apr. l5 -Jun. l5 Hulled Common Bermudograss l2 /bs./ocre Jun. l5 -Aug. l5 T olI Fescue 60 /bs./acre & BroWntop Mi llet =_= 35 /bs./ocre or Sorghum-Sudon Hybrids Xx� 30 /bs./ocre Slopes f3;1 to 2:11 Nlor. l-Jun. l Sericeo Lespedezo �scorifiedl 50 /bs./acre ond f ar. l-Apr. l51 Add Tall Fescue 60 /bs./acre f ar. l-Jun. 301 or Add W eepi ng Lovegrass 5/bs./acre ( a�. l-Jun. 30J or Add Hulled Common Bermudagross 8/bs./ocre Jun. l-Sep. l Toll Fescue xrx 60 /bs./acre & Browntop Millet =Xx 35 /bs./ocre or Sorghum-Sudon Hybrids �x� 30 /bs./ocre Sep. l-Mo�. l Sericea Lespedezo (unhulled -unscarifiedJ 70 /bs./ocre & ToII Fescue 50 /bs./ac�e (Nov. l-Mar. 11 Add Abruzzi Rye 25 /bs./acre Consult Conservation Engineer or Soil Conservation Service for additional information concerning other olternatives fo� vegetotion of denuded oreos. Th�e obove vegetotion rotes ore those which do Well under local conditions: other seeding rate combinations ore possible. Graded slopes ond fills shall be protected with a rolled erosion control product if completed outside optimum germination seasons. When unfavorob/e Weather condltions prevent estoblishment of vegatative ground cover MXr Temporary - Reseed occording to optimum seoson for desired pe�monent vegetation. Do not alloW temporary cover to grow ove� l2 inches in height before moWing, otherWise, fescue may be shaded out. NOTE: For Rlparian Buffer and Wet/and areas, see Sheet EC -l6 f or seedi ng plons. SEEDING SPECIFICATIONS /) After rough groding is completed. till soil in areas to be seeded and plonted to o depth of six Jncl�s. 2J Apply agrlculturol lime, fertillzer, and superphosphate to disturbed areas to be vegetated. A minimum of 2 tons limestone/acre With 3 tons limestone /acre i n cl ay soi ls or per soi ls test 35 /bs. l0-10-10 fertillzer/1000 sq. ft. 11500 Ibs/acreJ 40 /bs. 50% superphosphate/1000 sq. ft. (1750 /bs/acreJ 3) Disk nutrients lnto soi/ to a depth of six inches unti/ surface Is unlform and free of large di�t clods. 4) Seeding permonent gross. 3.0 /bs. KY-3/ tall fescue/l000 sq. ft. (l30 /bs./acreJ during February /5 through May l5 or August l5 through November /5. -OR - 3.0 /bs. KY-3l tall fescue and 2.0 /bs. annual ryegrass/1000 sq. ft. during November /5 through February /5. 5J Mu/ch seeded oreo With small grain stroW ot 90 /bs/1000 sq. ft. (2 tons/ocreJ. Spread unlform/y. Approxlmotely/2 of ground su�face should be vislble to avoid blocking sunlight to seedlings. On oreas whe�e the ground surfoce equols or exceeds o 3:l slope, and in the inve�ts of all drainage sWales, tack mulch W1th osphalt emulsion ot a rote of 400 gollons emulsion per oc�e of straw. 6J Mu/ch around shubbery ond trees with pine strow to depth of 3 i nches. 7J Temporory cover l.0 /bs. broWn top millet/1000 sq. ft. May th�ough August 25. -OR - l.0 /bs. annual ryegrass/1000 sq. ft. August 25 through April. 8� Nurse Crop Wlnter �ye grain at 40 Ibs/acre in the Winter months -OR - Germon millet ot l0 /bs/ocre in the summer months Nurse crop to be in addition to permanent seeding 9J Maintenonce: Refertilize if qrowth is not fully adequate. Reseed, refertilize and mu/ch immediote/y folloWing e�osion or othe� damoge. O� � � 0 O i v W � 0 0 � O � � � c 0 � 'c 0 � � c a. i v � � � � .� L � � 0 0 N O 0 � 0 � � Q � � N \ O \ � CONSTRUCTION SPECIFICATIONS -,��- p✓�A��iMi �M RIPARIAN BUFFER SEEDING PLAN� l. Use o synthetic filter fabric of ot /eost 95% by WeigM of polyolefins or � V A F' I A i � I_ r _�D I:� E�� E C' � 1 T'� �{ i_� f_ I�l �_ I ��: � F F' � polyester,Which is certifi by the monufocturer or supplier os conforming to the requi�ements in AST�D 646/.which Is shoWn in port In Toble 6.62b. A RIPARIA N SEED MIX AT THE RATE OF % LB PER 1,000 SQ FT OR 10 LBS �� I S y n t h e t i c f 1/ t e r f o b r i c s h o u l d c o n t o l n u l t r o v i o/ e t r o y i n h l b/ t o r s o n d s t o b i l i z e r s P ER A CR E SHA L L B E U S E D F OR S E E DI N G. TH E F O L L O V VI N G TA B L E LI ST S , to provide o minimum of 6 months of expected usab/e constructlon Ilfe at o HERBACEOUS, PERMANENT SEED MIXTURE LABELED "RIPARIAN SEED MIX" j� temperature ronge of 0 to l20' F. I I � 2. Ensure thot posts for sediment fences o�e 1.25 /b/linear ft minimum � �� I� I F E f��l �� E� A� R I C SCIENTIFIC NAME COMMON NAME PER CENT COMPOSITION i _ - � � _ - stee/ Wlth o minTmum length of 5 feet. �oke sure ti�t steel posts hove M I N I M J M 1 U (_� A � I(� [� � I N�� T A L L � C� TU S E C� ��I D � proJections to facllitate fastening the fobrlc. � �� - A rostis alba Red To 10 �I�JE WIRE� �, -- ,,� MIf��IMJM 1-' ��, C��i��;E 9 p ._ \ _ W I R E � R �) M T 0 P � x � = 3. For reinfo�cement of stondord strength ?lter fob�lc, use Wlre fence With o E I ym u s v i r g i n i c u s V i r g i n i a �/�l i I d R ye 15 /� I fJ T� R M E D I A T� WI P E S minimum l4 gouge and o maximum mesh spacing of 6 inc/aes. Panicum virgatum SVvitchgrass 15 � � CONSTRUCTION \'� l. Construct the sedlment bo�rle� of stondo�d strength or extro st�ength T r i p s i c u m d a c t yl o i d e s G a m m a G r o s s 5 \ ,-,�A�,L synthetic filter fabrics. Polygonum pennsylvanicum Pennsylvonia SmartWeed 5 � I-1 I I� �� I I I-1 I I-1 I I-1 I I-1 I I-1_I I-1 I I-1 I I-1 I I-1 I I-1 I I-1 I L=1 I I-1 I I-1 I I-1 I I-1 I LI I IJ I LI I L=1 I I-1 I I-1 I I-1 I I-1 I_I-1_I I-1 I I-1 I_I I I I-1 I I i I_I I�;, I I 1= 2. Ensure that tlae laeight of th�e sedi ment fence does not exceed 24 inches S c h i z a c h r i u m s c o o r i u m L i t t I e B I u e s t e m 5 -I I I-1 I I I I I-I I I.-1 I I-1 I I-1 I 1.-1 I 1=1 I I-1 I 1-1 I 1-1 I 1-1 I I-1 I I-1 I LI I 1-1 I 1=1 I 1-1 I 1-1 I I-1 I I-1 I I-1 I I-1 I I.-1 I I-1 I 1=1 I I-I I I-1 I I_I i p � n � • • • • � � • • -� �_ obove tlae round surfoce.�Hf her fences m Tm nd volumes of Wote� Y I 1=1 I 1=1 '_I I I I I I- '� 9 �9 oY P� =111� II� I�II I-� sufficient to couse foTlure o tiae structureJ Juncus effusus Soft Rush 5 �II -11 3. Const�uct ti� filter fobrlc from o continuous roll cut to th� length of the Bidens aristosa Tickseed 10 I I� I _ I II I I barrier to avoid joints. y�hen joints are necessary, secure/y fosten the filter - cloth only ot o support post With 4 feet minimum over/op to tl� next post. Coreopsis lanceolata Lance-leaved coreopsis 10 III II�� FR ON T VI E W �II I�� 4. Support stondord strength filter fob�ic by wire mesh fostened secure/y to Panicim clandestinum Deer Tongue 10 -I I1= I I I I upslope side of the posts. Extend the yyi�e mesh suppo�t to the bottom of �II _�III th�e trench.Fosten th�e Wire �einforcement.then fabric on tlae upslope side of Andropogon gerardii Big Bluestem 5 III - Ili� -iII-III- tlae fence post.Wi�e or p/astic zTp t7es slxwld hove minlmum 50 pound tensile i 1=1 I I_ - - strength. Sorgastrum nutons indiangrass 5 ;-`�,iE� � �= � i'� i 5. When a Wlre mesh support fence Ts used,space posts o maximum of 8 feet 1: A SiMILAR MixTURE CAN BE USED �ITH APPROVAL BY ENGINEER, � W U V F_ I 1 W I B E � A E R I C 2�r'n S,u�pport pOsts sia�uld be driVen secure/y into the ground o minimum of _ � � I�T FE i'-1 t� E� n B R I C 6. Extro strength filfer fob�ic With 6 feet post spocing does not require Wire mesh suploort fence.Secure/y fosten the filter fobrlc dlrectly to posts.►�Ire or p/ostic zip ties sixwld hove minimum 50 pound tensile strength. W ET LA N D S E E D M I X� z � � = k f � I-; (-� � 1-� A I I� 0 F '� I� f f I N�_- � I- A I� l' I�: ��_� 7. Excovote o trench approximotely 4 inches Wide ond 8 inches deep olong _ � � I� L L_��, _ th�e p�oposed llne ofposts ond upslope from th� bor�ie� (Figure 6.62aJ. �� j� USE SI�T FEf�IC-E UU I��T DETAII_ SPECI�SNAM� COMMONNAME MIXP�RCENTAGE� "-' 8. Place /2 Inches ofth� fobric olong the bottom and side ofthe trench. � � �, ,` � ��=k� ANCH��I�� =�'��.IRT �O�LOWIf�IG �I��IB I I �E�i;�H ` RE�UIREM�EI`JT��, PER I J� DEI`,�P �RUSIUIJ AI'�1C� 9• Backfi//the trench With soil placed over tl� fi/ter fobric and compoct. Par�icum ri idul��m Redto Panic Grass 60 ,, ._,.,•.t,;:, •; Thorough compoction ofthe bockfill is critical to silt fence performance. �� P , �;':�,.;�;��_��`.�'� �,EC�IMEI'�1T ('�)I'�ITRU� F�Af�ININC AI�ID C�r=�I��N '�� F' A, D �. l0. Do not ottach filter fobric to existing trees. Care.x h�� tilina Ho Sed e 10 ��-trt-�r� � - MANUA� FI� I�RE �:_��2A (�-�-' - ��) 1 p g '=1 I 1=1 I I '-i i I "-111-I 11-�,�� I� II� (," MINIMUM COVEP MAIA/TENQNCE Juncie.ref�'usus Soft Rush 10 -I I I I I I'.-111�-1 �'' -1 II-L'-�'� �:�VER '�I�IRT � NOIE: - I II I I� ' U S E � I � T F E f'� C E �? I` I�'r W H E I�,! D R A I I�I A�; L A i E A lnspect sedlment fen s ond fence out/ets ot leost once o Week and �-��JCHOP SI:IR,T AS ofter eoch roinfoll.�oke ony requlred �epolrs immedlote/y. Ca��eriz��•idu Lurid (shalloW� Sedge 7 =1I� DOES NOT �XC:EED 1/4 A�RE AND PJE�ER II�.I !_ � I R ��_ T= C� �� " E f'� I I'�I E� I� �=�= Siaould th�e fobric of o sediment fence collopse, tear, decompose �III �III %��EA�� )� CONCEf�ITRATED FLOW_ or become lneffectiye.replace it prompt/y. Reploce burlap every Sri��us cy�er-irrus I�laol Grass 5 - - 60 doys. :III I- `III-111111 Remove sediment deposits os necessory to provide odequote Sac�r-�n-us cer�nua+s Lizord's Toil 4 �� S I D E V � E V V storoge volume for tiae next roin ond to reduce p�essure on tlae fence. Toke core to ovo7d unde�mining th�e fence during cleonout. Ccn-ex squarrosa Squorrose Sedge 4 STANDARD TEMPORARY SILT FENCE (6.62.1) brei�the,a�eo to graderond sfobilzetl�ofte� � cont�butin°nd 9 9 1. SIMILAR SEED MIX CAN BE USED y�ITH ENGINEER'S APPROVAL. dralnoge o�eo hns been properly stobillZed. 2. APPLICATION RATE OF 20 LBS/AC '- VARIOUS MULCH AND NET CONSTRUCTION SPECIFICATIONS �ii T� �,= i �r��-H �iH��T�r ( �,�, �. o J o o ao 0 oo�Q �o � �)'� 8 8 0 WA�H�U �I�_IJ� - ° ° �°o�o�� o �t - � � _,\o��po 0 0° ° ° ° ° �� -i�° o� o�p o o U%O � / -i �° o � O � ( � o po ° o ° I � ° �� O � � � �� ,,�,,tl�'�y � c � � � �� ° �`�' ��TEE� �F��.�( � ��(_�_� I -� jJ(� �� O�p `�� '� p�pp � OoQo 0 �1I �T ��I � �. E I '��-j'� � � �� .� U�I-' I ��. � 6 O � °p0 ° Q°Q6p V(J� o Q � p � �`JIl'.0 I�Cf�I�C � HAR��W� �'F � I��I H F�Y I' II'1 H�� o° � o � o Ooo°�°oo°pa o�o �� poo o ° o� � O O � Q p ° ° � �oOO o 0 00 0 00�° o� o�� I�,�RI �WAPE C:�OTH �� _ � oQ � I��b oao Vo Q 0.7 o o0 W ° o � o � �ILT ' �_>; �I INCH DIAMETE�' � � +� �� , WA�,HE[�i -T��I�JE � �, ,,- ,�, _� , , ,- -I I�F�L�V�,-F I I�.� Il�k �� c�1�Ei I�1�.1�,=�� I-'�� f� � P /8 ��Lf �LI�I� I��hI�I�I;� r�i I WIF�E rEI.I _E oVerla ON W�RE F Ef�1CC ��0 W G I�� i I�;� I��I �$� _- P L,� j� �/� E W Join strips by onchnring ,_�- _ ,,_, ---� o � ond overlopping. 0 0 ° �;_; F,a �; E � i E E �� I �= E F�� _, i�, � i ln cl�nnels, roll out strips of netting porallel to the -;,_= =__= ===_.,;,_i iTi-i -�� direction of floW and over the protective mulch. --� � �_� � �_� � �-� � �_� � �_� �.r� � H A R C� WA �' E�� _C� T H � IV� 4 x I M�� M 2�L �T A P A R T , VV �, E F E f�i C E ll�/ST ALLAT lON OF A/ET T ll�lG AND /I�AT T ll�lG -��_ i I Iq I�=11f ' _ , III��I_II�,.II�-�' I' ;,' �'� � / CONST RUCT lON SPECIFICAT /ONS �� I �' I Products designed to contro/ erosion shou/d be instolled in I I � % SYNTHETIC ROV/NG occordance With monufacturer's instructions. Any mot o� S I D E V� E W �� blonket-type product used os a protective mulch should Use North Americon Green PS 300 permonent erosion provide cover of ot leost 30% of th�e surface where it is U ` I c I_ c i� control motting or equivolent p�oduct opproved by engineer. opplied. lnstallotion is illustroted beloW. F� E r� I'� - Synth�etic �oving is Wound into a cylindrical package so that '�E L��' ''�� it can be continuously WithdraWn from th� center using a i ��., compressed oir e jector. Roving expands into a mat or g/ass �• A p p� y �� m e, f e r t i l i z e r a n d s e e d b e f o r e l o y i n g t h e n e t o r �`�� ' fibers as it contacts the soil su�face. lt is often used over a mat. lf open-weave netting is used.lime may be incorporated __ straW mulch, but must still be tacked With aspha/t, b e f o r e i n s t a l l i ng t h e n e t a n d f e r t i l i z e r a n d s e e d sp r ay e d o n - � � � ofter ord. I� W _FA._,_ -111-III-III=III=I Spread rovin uniforml o P�l �� 1 E: ��-� i �=i j � g y ver the areo at a rate of 0.25 to 2. Stort loying th� net f rom the top of the chonnel or slope i�_1�E SILT FEI�IC'E �l_1T�ET� C�N�Y� WhEl��l = 0.35 /b/sq yd. Anchor With ospholt immediate/y ofte� ond unroll it doWn the grade. AlloW netting to lay /oose/y on i� ! B A I N A�; E A R E A D 0 E S P�d �� T E X C E F D 1�� --- �_ ---- � i -- -----------�� --- appli cation, ot a rate of 450 gallons per ac�e. �,-,_ „ the soil but Without Wrink/es-do not stretch. _I I 1=1 I 1= I I 1=1 I 1=1 I_I=1 I 1=1 I 1=1 I �-i � �_,_ �I I 1=1 I I- I I 1=� ��-1 I 1=1 I_I=1 I 1=� ��_� I 1=1 I 1=1 I 1=1 I 1=1 I 1= I 1=1 I 1=1 I 1= '- A�=' B E A. N D TH E R E I S A L 0 W A B E A. U� E -1 I I-I I I_ a I=1 I L-I I I-1 I I-1 I I-1I 1=1 I 1=1I I-i � I �'_' ��=1I j e�- - -' � �-� �'- '' -1I 1=1 I 1=1 e�I I 1=1I 1=1' '-I I I-� �I I I-I I I-111=111=111=111=111=111= i` � '�� i "-I I I-I I I, �=111=1T'� As a channel lining, and at other sites of concentrated floW. 3. To secure th�e net, bur the u s/o e end in o slot or trench A S A R E� A I R C! F��, I L T� E i�� E� A I� U I�� E'�. I I-1 I I- I I-1 I I-1 I I-1 I I-1 I I-1 ��_�"_, � i-1 I, '� '��' , � I-1 I I-1, I I 1=1 I I the rovi n mat must be f urther onch�red to reVent Y P P -I I I-� °�I I I-I I I-I i�-� � i-i �° �°� �� -I I I-I I 1= ° I=I I1=I_ 9 '° no /ess thon 6 inches deep, cover With soil, ond tam firml I1=I11� II1=111=i�'� U U '1=1I1=1 �II1=1II- undermining. lt may be secured With stokes placed ot p y _III-tr�lll=11 - f�J Ci I E: -111-111�11=111-' intervals no reater thon l0 ft olon the draino eWa , and Stap/e tf� net eVery l2 inches ocross th� top end and every �-i i i-i i i-i i i- -� � i-1I I_�TI-� 9 9 9 Y � U f� ' �! W I R E � E N C E, I I!�, B D W A I� ��: L�-� T I-I , 3 ft oround the edges ond bottom. W here 2 stri ps of net ore rondom/y throughout its Width, but not more than l0 ft apart. F R 0 N T �/� E W �� f�J D� I� T�E N�= E� A E F I! ��'`i H E'�� I f � I�_! As on option to staking, the �ov��g con be buried to a depth �oid side by side, the ad jacent edges should be overlapped 3 I H E I R E f l C' � of 5 inch�es at the upgrode end and ot inte�vols of 50 ft ��ches ond stop/ed togeth�e�. Eoch strip of netting should also along th�e length of th� cl�nnel. be stop/ed doWn the center, every 3 ft. Do not st�etch the net STANDARD SILT FENCE OUTLET When app/ying stap/es. CONSTRUCTION SPECIF/CATIONS NETS AIyD MATS 4. To join two strips.cut a t�ench to ancl�r the end of the �ATER/ALS 3. Construct th� filter fobric from o continuous roll cut to the length of the borrier ��. Fasten support Wire fence to upslope side of posts.extending 6 inches into tlae trench. Nets alone generally proVide little moisture conser�ation �eW �et.Overlop the end of the previous roll l8 %�ChES, �S to ovoid jolnts. When joints ore necessary,secure/y fasten th�e fllter cloth only ot a ShOWn belOW,ond stop/e every l2 i�Ches just belOW th�e onchor support post yyith oyerlop to tiae next post, i2. Attoch continuous length of fobric to upslope side of fence posts.Avoiid joints; benefits ond On/y limited erOsiOn prOteCtiOn. TherefOre, slot. l. Use o synthetic fi/ter fob�ic or o peryfous sheet of polypropylene.nylon,polyester, porticulorly ot loW po/nts in tl� fence line.When Joints ore necessory,fosten fobric they ore usuolly used in conjunction With an orgonic mu/ch or polyethylene yorn, yyhich is certified by th� manufocturer or supplier as conforming 4. Support stondard strength filter fobric by W�re mesh fastened secure/y to tiae upslope securely suppo�t posts ond overlop to th� next post. SUCh OS StrOW. to th�e requfrements shoWn In tlae table beloW. side of th�e posts usinq h�avy duty Wire staples at /eost l inch /ong.o� th�e yyires. MA/NTENANCE Extend the Wire mesh suppo�t to the bottom of the trench. l3. Attach Wornln� slgn �see Tree Protect7on DetollJ to fence W�re fence ls locoted Synth�etic filter fobric shou/d contoin ultroyio/et roy inhibitors and stobilizers to proyide a odjocent to and in buffe� areos. Warning sign is incidento/ to silt fence. Except When Wood fiber slurry is used.netting ShOUId minlmum of 6 months of expected usob/e const�uctlon llfe ot o temperoture ronge of 0 5. When o Wi�e mesh suppo�t fence /s used.spoce posts o moxlmum of 8 ft opo�t. olWoyS be i/1Stolled over the mu/ch. Wood fiber may be InSpeCt oll mUlCh2S, nEtS, ond mats ot least week/y and ofter eoCh to l20 deg�ees F. Suppo�t posts should be driven secu�e/y into the ground to a minimum of i8 inches on the M�NTENANCE sprayed on top of an instolled net. significant (l/2 inch or greaterl roin foll event repoir doWnslope s�de of tl� trencl� immediotel g 2. Ensure thntqqsts for sediment fences ore /33 /b/llneor ft steel wlth o minimum inspect sediment fences ond fence outlets at /eost once a Week ond ofter eoch roinfoll. y. GOOd CO�tOCt y�lth tlle round must be mointained, length of 4 ff. Make sure thot steel posfs hnve projections to focilitate fastening the fobric. 6. Extra strength filter fabric W�th 6-ft post spacing does not require Wire mesh �lake ony required repoirs immediotely. I�OtS, including "eXCe/Sl0/'" fWood fiberl blankets, are ond erosion must not occur beneoth the nets and mats. Any support fence. Staple or Wire th� filter fobrTc dlrect/y to posts. considered protective mu/ches and ma be used alone, on ores of the nets and mats thot ore domaged or not in close 3. For reinforcement of stondord strength filter fobric.use Wire fence W�th a minimum 5/buld the fabric of a sediment fence collopse.teo�,decompose or become ineffectiye, Y l4 gouge ond o moxlmum mesh spocing of 6 Inci�s. 7. ExcaVate o trench opproxlmote/y 4 inch�es Wide ond 8 inclaes deep olong the proposed rep/oce It prompt/y. Rep/oce burlop every 60 days. erodible soils, ond during oll times of the yeor. Ploce th� contoct With the g�ound sholl be �epoi�ed O�d stopled. lf e�OSlO/1 line of posts ond upslope from the borrier. matting in firm contact With the soil and stople securely. occurs due to poor/y controlled d�ainoge, the problem sholl be CoNSTRUCriON Remoye sediment deposifs os necessory to proyide odequote sto�oge volume for the next fixed ond eroded o�eo protected.Whe�e erosion is obser�ed, 8. Ad just spocing to p/oce posts at loW points olong th� fence line. �oin ond to �educe pressu�e on the fence. Toke co�e to avoTd undermining the fence l. Construct the sediment bor�ier of standor'd strength or extro strength synthetic filter fobrics. du�ing cleonout. opp/y oddlti0nol mU/Ch. lf WoShOUt OCCU/'S, repair th� clope grade. 9. Bockfill tlae trench yyith compocted soil or g�oye/ p/oced ove� tiae filter fob�ic. reseed ond �einstoll mulch Monitor ond repoir mats ond liners 2. Ensure t/xrt th� height of the sediment fence does not exceed /8 inches obove th�e Remoye ol! fencing moterio/s ond unstob/e sediment deposits ond bring the o�eo to grade as necessar U�til round cover is established. ground su�foce. fHlgher fences moy impound Volumes of yyote� sufficient to couse follure /0. Do not ottoch filter fobrlc to exlsting trees. ond stoblllze It ofter the contributing drolnoge a�ea la�s been properly stobillzed. y 9 of the structu�eJ. C O� � � � 0 � a� O � � W � O � 0 N � i � N � c/i C O � i C O � � / � c N Q i V � � � � .� L � � � O O � 0 N O O 3 � 0 � � J Q � i Y � 0 N \ O \ � HARDWARE CLOTH AND GRAVEL INLET PROTECTION DETAIL (6.51) CONSTRUCT/ON SPECIF/CAT/OIyS l. As synthetic fobric,use o p�evTous sheetof nylon.polyester,or ethylene yorn - extro st�ength f50 !b/l inch minimuml - thot contoins u/troviolet roy inhibitors ond stobilizers. Fobric should be sufficiently porous to proyide odequote droinoge of the temporory sedlment pool. Burlop moy be used for sho�t-term opp/Icot/ons. lt must be reploced every 60 doys. 2. Cut fob�Tc from o cont)nuous �o// to ellminote jolnts. 3. For stokes.use 5-foot steel posts. 4. Spoce stokes eVen/y oround the pe�imeter of the inlet o moximum of 4 ft o,00rt.ond secure/y drlye th�em Into the ground.opproxlmote/y 24 Inches deep. 5. P/oce o 2 foot f/op of W)�e mesh under the g�ove/fo� oncl��ing. 6. Fosten fobrTc secu�e/y to the stokes ond frome. JoJnts must be oveNopped to tl� next stoke. 7. The top of tl� frame and fabric must be Well beloW the ground e/eVotion doWnslope from the drop inlet to keep �unoff f�om bypossing the /n/et. lt moy be neces ory to build o tempo�ory dike on the doWn slope side of the structure to preyent byposs f/ow. �aterlol from yyithin the STAIyDARDIZED iUETAL sediment pool moy be used for d/king. POSTS 2'-0" lA/ GROUND �AIIyTENANCE lnspecttlae fobric borr7er after eoch roin ond make repoirs as needed. Remove sediment from the pooloreo os necessory to proyide odequate storoge Vo/ume for the next ro1n. Take core not to domoge o� undercut the fobric du�Ing sed/ment removol. MET AL POST HARDyyARE 2, 3- W /RE ;57 STONE 2 � � l6° �� 2' 2' MiN. io ca. L/NE WIRES �a o.c. MAx�Mu�U VAR�ABLE AS D/RECTED BY THE ENG/NEER GALVAN/ZED HARDyyARE W/RE EXTEN�S TO TOP OF BOX —� 'S7 y�ASHED STONE PLA�D T 0 A HEIGHT OF l2' -l8" �N• ABOVE TOP OF BOX 40" rrcvry i yiGYY 3" 4' �' TREE PROTECTION AREA 4" � DO NOT ENTER 4° INARNiNG SIGN DETAIL /8" � a 3 I�' SIDE VIEy� STEEL POST - y�OVEN WIRE FABRIC —ORAly6E,W RESISTAIyT. H/GH-TENSILE STRENGTH, POLY BARR/CADE FABR/C (TYP/CAU — W,�N�Nc s�cN ADE OTES y�ARN�NG 5/GNS TO BE MADE OF DURABLE,WEATHERPROOF MATER/AL. LETTERS TO BE 3° HIGH M/N�MUM.CLEARLY LEG/BLE AND SPACED AS DETA/LED. S/GNS SHALL BE PLACED AT 50' MAX/MU� INTERVALS. PLACE A S/GN AT EACH EHD OF L/NEAR TREE PROTECTION AND 50'ON CENTER THEREAFTER. FOR TREE PROTECTION �REAS LESS THAN 20Q' lN PERItilETER,PROV�DE NO LESS TH,�W ONE SIGN PER PROTECTION QREA ATTACH S/GNS SECURELY TO FENCE POSTS AND FABRIC. MaNTAIN TREE PROTECTION FENCE THROUGHOUT DURATIOA/ OF PROJECT. ADD1TlONAL SIGNS MQ1' BE REQUIRED BY NCDENR. BASED ON AC'TUAL FIELD CONDITIONS. SIGNS SHALL BE /NC/DENTAL TO THE FENCE. MAINTENANCE: lnspect tree protection fences ot least once o Week ond ofte� eoch rolnfoll. Moke ony �equi�ed repoirs immediote/y. Should tl� fobric of a tree protection fence collopse.teo�,decompose or become ineffectiye. reploce it promptly. TREE PROTECTION DETAIL FILTER SACK INLET PROTECTION ;- INLET GRATE SECURE LIFTING LOOPS TO LOOPS SIZED FOR �\ i LOOPS SIZED FOR OR UNDER SURROUNDING 1 REBAR, UFT �`� �, 1" REBAR, USE �SURFACE. FILTER BAG FROM iV �� REBAR FOR A HANDLE i�� INLET USING REBAR� � �� TO EMPTY FILTER %� FOR HANDLES. / SACK AT A ; OVERFLO� HOLES � SEDIMENT (OPTIONAL) � �_ COLLECTION \� � � ,� LOCATION.�T1a \�TTfa GEOTEXTILE BAG 1/4" BRIGHTLY COLORED NYLON ROPE EXPANSION RESTRAINT Dr. ' 2"� RUI BL( `_�.�MET=;Ic� `�IE��i�,� oRivn i � i )RED NYLON EXPANSION RESTRAINT � MP � Y I�IL I ER SACI: WHEN 131��IC�H11_�� COLUI�E[�� EXF'AN�I�N RES IKAII�IT CAN NC1 I O�JGER BE "EEN. GEC�TEXTI�� WI�� B� A WUVE'��l �U�YPROPY�I ENE F�E��IC THAT MEET`� 0'=' LXCE�DS RE��UII��MI_N,��; IP�I l�-IE �,P�CIFICAT��NS TAB�E. /�� AI_)S��P�u�NT �'A� � ��' ��I I l_)� � �,/��•�� `�� I�IBCHA�ED WHE�J OIL �f-'ILLS ARE A �Of�CERN, f��SPECT PEB REGULATORY RE�UIREMEf��I-��; 1HE WIL�TH, "W", (�F THE FILTEP SACk WI�L M�ATCH THE INSIDE WIDTH OF THE GRATFD II�I�ET BQX. �THE DEPTH, "D�', 01 THE �I�TER SACh WII � E3E QETWE�N 18 INCh-IE'�� AND 36 INCI-IE�. THE �ENGTH „�„ 0� ��HE FILTER SAC��: WII_� MATCH il �� IIJ�Ii-�� I i i��(;Tl i,-il= TI��I� � F�,A-�D I��`�I �-T �i� li;.. EXCELSIOR WATTLE MATTING 2' ( MAX . ) MATTING 2 IN. MATTING ELEVATIOf��I VIEW PRO�ILE �IEW OF If'�l �T��ED FI� I ER �� _; I�; LOy� TO I�ODERATE FLOy� GEOTEXTILE FABRIC SPECIFICATION TABLE PROPER7IES TEST ETHOD UNITS GRAB TENSILE STRENGTH ASTM D-4632 300 LBS GRAB TENSILE ELONGATION ASTI� D-4632 20 9� PUNCTURE AST1� D-4833 120 LBS �IULLEN BURST ASTI� D-3786 800 P51 TRAPEZOID TEAR ASTI� D-4533 120 LBS UV RESISTANCE ASTM D-4355 80 9� APPARENT OPEN�NG SIZE ASTI� D-4751 40 US SIEVE FLO RATE ASTI� D-4491 40 GAL/�IIN/SQ FT PER�ITTIyITY ASTI� D-4491 0.55 SEC -1 I�ODERATE TO HIGH FLOy� GEOTEXTILE FABRIC SPECIFICATION TABLE PROPERTIES TEST METHOD UN�TS GRAB TENSILE STRENGTH ASTM D-4632 265 LBS GRAB TENSILE ELONGATION ASTM D-4632 20 � PUNCTURE AST1� D-4833 135 LBS �IULLEN BURST ASTI� D-3786 420 PSI TRAPEZOID TEAR ASTM D-4533 45 LBS UV RESISTANCE ASTI� D-4355 90 % APPARENT OPENING SIZE ASTI� D-4751 20 US SIEVE FLO�y RATE ASTM 0-4491 200 GAL/I�IN/SQ FT PERMITTIyITY ASTM D-4491 1.5 SEC -1 WATTLE DETAIL � P Pv�� See Inset A i O�,`�OQ!` , � . 5 BACK � SLOPE � ISOMETRIC VIEW 2' UPSLOPE STAKE CROSS SECTION VEE DITCH EDGE OF PAVEMENT ATURAL GROUND 2' DOWNSLOPE STAKE 2' UPSLOPE CTAIlC CROSS SECTION TRAPEZOIDAL DITCH NATURAL GROUND 2' DOWNSLOPE STAKE FLOW INLET TUBES "SILT SOCK" �� - � r � �; �� - , � � - l��"� co �_ � �� Lt >� 1�� ,��rVt ti �i� i-�,JL� , r r��::, I � ��Ji�l �NI F� �N�; ll�" � I _� ! i`�l�'l�; ' 'V � T,zl �_ '),Ne -,,;��,,,� Ti,FC _� rC°v�: [�iF_;'-�; � ,�� H�.,� �� PROT ECT lON >Et G�T;"„! 1 'EIGHI ED �;EL�IMENT TU�� liil-;i Iiil,�_ !'vlaterials I�I3r IIIIri t�al�e`; II1tJ r�;IiiC�t tllr -i=�Ili�WilL) �ll�� Y�I!J�: Produced by a Manufac'tur�r Expei�iPncecJ in sediment tubr i��,an� if< < r��i�lna. �:oml�>osed �f c��ri�cicte��i geotextiles, curled exc�lsic�r wood, notural cncon�at til�ers or ��iarr�wuod mulr,h or a r��ix of these rr��iateri��ls enclose�J by � flexlble r��ttii<<� r��terial. Do nr�t use s�ruw, �tr��-iw fiber, straw I�ales, pine neeJles or leat mulch ��inder thls specifle��tion. Utiliz� an �_�uTer r��tting that cons�st� of �eamles�, hig��—d�ns�ty polyethylene ��hotn�legra�i�ble n��it�rl��l treate�l witVi ulii�uvi��let staf,�iliz�rs or �a �ear�l�s�, hi�ah—�_leri�ily F��ly�thyl�� = fl� I ��'�JI Irl(�JIF l��Ot�'I I�� S. Installation: Instcili inlet tul�es lyin�_a flut u�� tr�e ��round, wit-� i�� i;,; _,etwe�ii tl�e ianderlyir�q 5�.arfri,�r niid 'tl�r I��lei t��1��. Ic��ction rind Maintenan��: Inle�t tul�es may be t�mporarily move��l d�_aring c��nst�uc'tlon as ne��le�_I. 11eF�lace inlet fu��es clarn��c�rd durinc� instc�llation as direere�l by th� I'<I�� t��l ��f M�IlllaT'=:C�t�airi�� r�i�N��' -1t��VF' �If �I1? �:�11fr[1? �)I S �v�icl�5�. NOTES: USE MINIMUM 18 IN. DIAMETER EXCELSIOR WATTLE. USE 2 FT. WOODEN STAKES WITH A 2 IN. BY 2 IN. NOMINAL CROSS SECTION. ONLY INSTALL WATTLE(S) TO A HEIGHT IN DITCH SO FLOW WILL NOT WASH AROUND WATTLE AND SCOUR DITCH SLOPES AND AS DIRECTED. INSTALL A MINIMUM OF 2 UPSLOPE STAKES AND 4 DOWNSLOPE STAKES AT AN ANGLE TO WEDGE WATTLE TO BOTTOM OF DITCH. PROVIDE STAPLES MADE OF 0.125 IN. DIAMETER STEEL WIRE FORMED INTO A U SHAPE NOT LESS THAN 18" IN LENGTH. INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON BOTH SIDES OF WATTLE AND AT EACH END TO SECURE IT TO THE SOIL. INSTALL MATTING IN ACCORDANCE WITH SECTION 1631 OF THE STANDARD SPECIFICATIONS. MAINTENANCE CONTRACTOR SHALL MAINTAIN THE WATTLES UNTIL THE PROJECT IS ACCEPTED OR UNTIL THE WATTLES ARE REMOVED. CONTRACTOR SHALL REMOVE AND DISPOSE OF SILT ACCUMULATIONS AT THE WATTLES TO MAINTAIN EFFECTIVENESS. USE ALL EXCAVATED MATERIALS IN THE CONSTRUCTION OF ROADWAY/ GREENWAY EMBANKMENTS EXCEPT WHERE OTHERWISE DIRECTED. DISPOSE OF MATERIALS, WHICH ARE NOT USED IN THE CONSTRUCTION OF ROADWAY EMBANKMENTS IN WASTE AREAS. INSET A INSET B TOP VIEW c o, � � 0 � O � c� W � O O � O N 0 � � N � tn c 0 � i � 0 � � C a. i 0 v a� � .j � .� L � I � O O N O 0 3 � 0 � � J Q � � � 0 N \ O \ � STONE FILTER INLET PROTECTION FOR STORM DRAIN UNDER CONSTRUCTION Stee' �� o��+ W oSheC - - - - Across Pipe lnlet Upstreom End of �-�... .. ..� n ..Ol n — `a a �° �' �°' ' ' - ,, d ' ' . - a , a • . ' a • e . , . � ° ' � ' a • v . a �'a 'a . � � . . . a . ' • e , a . ' a •'v . , . v � . . ' - .. � . .. �° ��. �rdware Cloth Overflow l/3 Plpe Di ameter STONE FILTER INLET PROTECTION VVILL BE CONSIDERED INCIDENTAL TO THE CONTRACT UN�T PRICE PER LINEAR FOOT OF P/PE CULVERT INSTALLAT/ON. PLYWOOD INLET PROTECTION FOR STORM DRAIN UNDER CONSTRUCTION T .-.,.,.,�, "��m ��' �{ Storm Droin � — — — — — r tt m f Pl � Bu y Bo 0 o ywood ' a .. , ., . a � a .. . . � �,' . _ ' • • ' , a . • � d � p . . a • a • . �. � a � � � ` ' . , , . , . . a . a . . a . a • , . a ' a ' � . � . .. . � . � � ,� ,.. a � � � a p . . a � v ' . . • . a � � � • � - .. � . • . � . • . .. . .: .° �. 3/4" Exterlor Plywood PLYWOOD /NLET PROTECT/ON W/LL BE CONS/DERED /NC/DENTAL TO THE CONlRACT UN�T PR/CE PER L/NEAR FOOT OF P/PE CULVERT INSTALLATION. TEMPORARY CHECK DAM DETAIL (6.83) STONE FOR EROSION STONE FOR EROSION l.5' CONTROL.CLASS 8 CONTROL.*57 STONE r'—'1 Filter � 51.�P� o ��s� 24' max Fobric 2� Q�F ot center 4' to 6' _ I r� Section A-A � L= The dlstonce such thnt polnts A ond B o�e of equol elevotlon L : ,..r.�� ''i; ��: ! •\ ,_.� �i.'�:�:`•,f,�!,•Z2/ �� >',�►• . i l/3 Pipe Di ometer NOTE: Check doms to be lnstolled os 1ndlcoted on plon or If grode ls steeper per p/on defoil. CONSTRUCTION SPECIFICATIONS l. Place stone to the llnes ond d7menslons shoWn In th�e plon on o fllter fobric foundation. 2. Keep the center stone sectlon otleast 9 inches be/ory naturolg�ound level Where the dom obuts the c�nne/ bonks. 3. Exlend stone at leost l.5 ft beyond the ditch bonks to keep overf/oW Wate� from cutting oround the ends of tlae ch�eck dom. 4. Set spocing betWeen dams to ossure thnt the e%yat7on ot the top of the lo�yer dom is tl� some os the toe e/evotion of the upper dom. 5. Protect the chonnel doWnstreom from the loWest check dom,conslde�ing thr�t 'ayoter will floyy oyer ond oraund the dom. 6. �foke sure thot tiae cix�nnel reach aboVe the most upstreom dom is stob/e. 7. Ensure thot chonne/ appu�tenonces, such os culve�t ent�onces belo�y ch�ck doms.ore not subject to domoge or b/ockoge from disploced stones. �AINTENANCE lnspect ch�eck dams and channe/s for domoge afte� eoch runoff eyent. Anticlpote submergence ond deposltlon obove the check dom ond eroslon f�om high f/oyys oround the edges of the dam. Co�rect oll domoge immediote/y. lf significant erosion occurs bett.yeen dams.lnstoll o protectiye riprap liner in thot portion of the ch�onnel. Remove sediment occumu/oted behind the doms os ne�ded to preyent domoge to ciaonnel vegetation,ollovy th�e cl�nne/ to droin through the stone check dom,and preventlorge florys from corrying sedTment over th� dom. Add stones to doms as needed to molntoln deslgn height ond cross sectlon. J O � f-- z � U z 0 N 0 � w � O � m W N Z t� oQ I-- J cn U � W _ N a �w Z � O �� tt� J a > w �w �� W O �� - w w _ � w w v� N = � ~ W J �Q �� w N � ~ X '� a -� �n � w � U Q � � � � U 0 0 � \ �• �� z � N J 0 � � z � U zz �� N � 0 Q � = W � —� 0 x�m mw� ZN xoQ I— J �lnU w � U � w � O � m � J Q � � Z / � � U 7 � � Z O � U � � � U NOTE: SKIMMER IS T SURFACE DEVI DEVICE SUCH BY "FAIRCLOT OR EQUIVALEI FLEX (RAD OUTLET END: CONNECTION TO OUTLET PIPE OR RISER � z w � �w J � J � J w li N � W � > O o� =z N � 0 � a 0 m w w � � SKIMMER SEDIMENT BASIN (6.64) X Q w� �w N� _o N (n / J ao � Z � � �o a� Z C� w � 0 J � w 0 N X :a _� NorEs !. Eorth berm sholl be stobilized With seeding according to stondord specifications section 1660. Earth berm and seeding Will be considered incidento/ Work, poid for ot the controct unit prices of th�e various erosion control items included in th�e controct.. 2.Use c/eon compactor fill materia/ for earth berm. CONSTRUCTlOIy SPECIFICATIONS l. C/ear, grub and strip the orea under the embonkment of al! vegetotion and root mot. Remove oll surfoce soil containing high omounts of orgonic motter ond stockpile or dispose of it proper/y. Hou/ oll ob jectionoble moteriol to ti� designoted disposa/ area. 2. Ensure that fill material for the embonkment is free of roots,Woody vegetation, orgonic motter. ond other ob jectionoble moterial. Ploce th�e fill in lifts not to exceed 9 inches ond mochine compact it. Over fill the embonkment 6 inc/aes to alloW for settlement. 3. Construct the out/et section in the embankment. Protect th� connection betWeen the riprop and the soil from piping by using filter fobric o� o keyWoy cutoff t�ench betWeen the riprop structure ond the soil. - P/oce the filter fobric betWeen the rlprop and soil. Extend the fobric ocross th�e spillWoy foundotion ond sides to the top of tiae dam; or - Excavote a keyWay trench olong th�e centerline of th� spillWoy foundotion extending up the sides to the laeight of the dom. The trench should be at leost 2 ft deep and 2 ft Wide W�th l:l side slopes. 4. Cleo� the ,00nd orea beloW the e/evation of th� crest of the spillWoy to facilitote sediment c/eanout. 5. All cut ond fill slopes shou/d be 2:l o� flotte�. 6. The bosin shnu/d be excovoted l.5 feet beloW grode. 7. Ensure thot the stone fdroinogeJ section of th�e embonkment hos o minimum bottom Width of 3 ft ond moximum side slopes of l:l thot extend to th�e bottom of the spillWoy section. 8. Construct the minimum finish�ed stone spillWay bottom Width,os shoWn on the plons,With 2:l side slopes extending to th� top of th�e ove� filled embonkment. Keep the thickness of the sides of the spillWay out/et structure ot o minimum of 2/ inches. Th�e Weir must be /evel ond const�ucted to g�ode to assu�e design copocity. 9. Mote�iol used in the stone section shou/d be o Well-groded mixture of stone With a d50 size of 9 inches fclass B erosion control stone is recommendedJ and a maximum stone size of l4 inch�s. Th�e stone moy be mochine placed ond th�e smolle� stones Wo�ked into the voids of th�e lorger stones. Th�e stone shnuld be hord, ongulor, and high/y Weath�r -resistant. l0. Ensure thot the stone spillway out/et section extends doWnstream past ti� toe of tl� embonkment until stoble conditions are reoched ond out/et velocity is acceptoble for the receiving stream. Keep the edges of the stone out/et section flush With th�e surrounding ground and shope the center to confine th�e outfloW st�eom. � � Il. Direct emergency bypass to noturol, stob/e o�eas. Locote byposs out/ets so �� thot floW Will not domoge the embonkment. J m ,� � l2. Stabilize the embonkment ond alI disturbed oreas obove tlae sediment pool and doW�stream from the basin immediate/y after const�uction. =1 ' l3. SI�W th�e distonce from th�e top of the spillWoy to the sediment cleanout I level fone-laalf tl�e design depthJ on tlae plons and mork it in th�e field. � `�`"�..I MAINTENANCE � J — J lnspect bosins ofter eoch period of significant roinfoll. Remove sediment and �'� �estore th�e bosin to its originol dimensions When the sediment hos occumuloted x to one-holf the design depth of the bosin. Ploce the sediment thot is removed `�' a in the designoted disposoloreo ond reploce the contominoted po�t of the grovel i � focing. Ci�ck th� structure for domoge from erosion or piping. Periodicolly check th�e depth of the spiNWay to ensure it is o minimum of l.5 ft beloW the /oW point of the embankment. lmmediote/y fill ony settlement of the embonkment to slight/y above design grode. Any riprop disploced from th�e spillWay must be reploced immediotely. SKIMMER DETAIL Afte� oll sediment-producing oreos hove been permonent/y stobilized, �emove the structure ond oll unstab/e sediment. Smooth the areo to blend with the ad joining existing ground ond permonently vegetote os described in the mointenonce ond vegetative plon. SIZE ORIFICE ACCESSIBLE SCREEN/DOOR JSHEETS FOR ORIFICE SIZE OAT THAN SHOINN. �iMMER SUPPLIED BY USER. � a � � , 'o � 0 � � w � 0 a N 0 i � N �' � C O � i C O � � C Q L v � � � � .� L � I � O O N � O � 0 � I Q � � � 0 N O \ � POROUS BAFFLES (6.65) Q w �z � iL Q � a �� w � �� _ , , � Q w H 0 z � Z � � � C� � J O N 0 � Z � � N Q W J � a H N O � w U z W � J w w � N w > � � w J m Q H � w U U Q � O Z w � Q N � � 0 � 0 0 0 � N � H Q Z � w � J a W J m Q H d w U U Q � O S � W � � O U N � � (' O O ti W m J � a 2 � � w � � � a m rrl W � � c� O _ O � U � m a � _ U Q H— H a O H H � Q � Q N w J � a � N w N � v � w > w m J J N �U ~ z�Q o�� U � Z � Z O � � U H N E— W Z U = O Q � � � Z w~— Z J O � � U W � aw� m = J Z � U Q Z J ~ �aN �� w �o� > O p J � O �a� � � � aYz � O w�C, � �Z N J O aaoH o z � www U � a�� °- z o N — — � cn � a w�> J �wW � � _ av�� C� Z o� �ci c� o �w �—�w : � w � � `ir ��,J w � � Q �� _ ��_ �-�� Q �_, �;�_ J 1 � i ' Q ~ W � � 5 = v OL��Q i � z w � �' —w�� / O �Y � c� u��;_ z O TEMPORARY DIVERSION DITCH DETAIL (6.20) coMPacrEo so�� - 2� MiNiMuM 6� TYP/CAL � cRoss sEcr�oNA� v�EvV CONST RUCT lON SPEC/F/CAT IONS �, _6„ MiNiMuM ^i FLOW � -ST AB/L/ZE D/V ERSION DlT CH V�lIT H T EMPORARY SEED/NG AND ST RAW W/ NEro ld Remove and prope�/y dlspose of all trees9 brush9 stumps, and other ob�ectlonab/e materla/e 2e Ensure that the mI ni mum constructed cross secti on meets all desi gn requi rementsa 3e Ensure that the top of the dike is not lower at any point than the design elevation p/us the speci f i ed settlemente 4e Provide sufflclent room around diversions to permit machlne regrad/nq and c/eanoute 5, V egetate the ri dge 1 mmed I ate/y af ter constructl on9 un/ess i t wi ll �emai n 1 n place /ess than 30 working dayso 6e Use temporary li ner where noted on p/anso 7o T emporory di versi on di tch constructi on shall be pai d f or at the controct uni t pri ce per cubi c yard "Drainage Ditch Excavationo" MA/NT ENANCE lnspect tempora�y di versi ons once a week and af ter every rai nf alle lmmedi ate/y remove sedi ment f rom the f low area and repoi r the di versi on ri dgee Caref ully check outlets ond make time/y repai�s as neededo When the orea protected is permonent/y stobilized, �emove the ridge and the channel to b/end with the natura/ ground /evel ond approprlate/y stabilize Ito —► —► CWD —► � CWD —� —► CWD —► —► CWD —► CONSTRUCTION SPEC/FICAT/ONS Silt Fence Natural Ground •[ 7►•�Rill DETAIL 1 CLEAN WATER DIVERSION ( Not to Scale) Geotexti l e Type of Liner= Geotextile for Soil Stabilization DETAIL 2 CLEAN WATER DIVERSION ( Not to Scale) Natural Ground Geotextile �� G7►•��Till Compacted Soil � Silt Fence Min. D = 1.5 Ft. Min. d = 0.5 Ft. Compacted Soil � Silt Fence � Fill 6' Min. �� Slope Min. D= 1.0 Ft. 3' Min. Min. d = 0.5 Ft. Type of Liner= Geotextile for Soil Stabilization l. Remove and proper/y dispose of all trees, brush, stumps, and other ob�ectionab/e materlal. 2. Ensure that the minimum constructed cross section meets all design requirements. 3. Ensure that the top of ti� dike is not loWer at any polnt than the design e/evatlon plus the specified sett/ement. 4. Provide suffPclent �oom around dive�sions to permlt machine �egrading and cleanout. 5. Vegetate the ridge immediotely after construction and ensure stabilization Is achleved Withln 7 days. 6. Use temporory llner where noted on plans. MA�NrENANCE lnspect clean Water diversions once o Week and after every roinfall. lmmediate/y remove sediment from the flow orea ond repair tl� diversion �idge. Corefully check out/ets and make time/y repairs as needed. When the area protected is permanent/y stabilized, remove the ridge and the channe/ to blend with the naturo/ ground /eve/ and appropriate/y stabilize it. o, � 0 0 � c� W � � 0 0 � 0 N O � � � a� �' tn c 0 1 � � C O � i L � � C N Q L O C� a� � � � � .� L � I � O O � O N O � 0 3 � 0 0 � i J Q � � � O N \ O \ � TEMPORARY GRAVEL CONSTRUCTION ENTRANCE/EXIT (6.06) EXISTI ROAD' 50' MIN. (SUFFICIENT TO KEEP SEDIMENT ON SITE) 25' OR WIDTH OFPROPOSED STREET, WHICHEVER IS GREATER EXISTING ROADWAY �NE TO BE USED (SURGE STONE OR RAILROAD BALLAST) PLAN VIEW � � 6" M I N . �� , � ., ' ROCKBERM 35' MIN. ABRIC UNDER STONE CROSS SECTION CONSTRUCTION SPECIF/CATIONS l. Clear the entronce ond exit area of oll vegetotion, �oots, ond other objectionob/e materiol ond proper/y grode it. 2. Place the stone to the speclfic grode ond dimensions shoWn on the plans, and smooth it. 3. P�ovide drainage to corry Water to o sediment trop o� other sui toble outlet. 4. Use geotextile fabrics because they Improve stobillty of the f ound ati on i n locati ons sub Ject to seepage or hi gh water table. 5. Use 2-3" coarse aggregate base course or larger. 6. Payment shall be made at the contract unit price per ton "lncidental Stone Base." MAINTENANCE Maintoin the stone pad in a condition to prevent mud or sediment from /eaving the const�uctTon site. This may require periodic topd�essing With 2-inch stone. After each rainfall, inspect any structure used to trap sediment and c/ean it out as necessory. lmmediately remove all ob fectionable moterials spilled, woshed, or trocked onto public roadwoys. r�o� r s: F�UT �llT �EM�� JR Tr�tE Phri, ��;'TI h l �NCF UP TO EN Jh�L C�)N� TRU� Tll''N EN, F 1NCF l;�D. NEW CONSTRUCTION 15' MIN.�I �; ,�,; 12"MIN. � ��: \\� \ � \' /\ _ �i,./i,.��, lnstallation. Avoid curves In public roads ond steep slopes. Remove oll vegetotion ond other obJectionable materiol from the foundatlon areo. Grode ond croWn foundation fo� positive d�oinoge. lf the slope toword the rood exceeds 2%, construct a ridge, 6 to 8 inch�es high with 3:l side slopes, across the foundation approximately l5 feet from the entrance to divert runoff oWay from the public rood. Filter Fabric OUTLET STABILIZATION STRUCTURE DETAIL (6.41) DETAI� A DETAI� B , La Lo J( ) � (�(, ) r��-�� `� ' ��1 �- ��-�'-'� �` �C�C�c� �C�� I \ ��'�� Cl�-�� ° �0� �� ,�o�1v�.�o t�o0c�� -� ; � (J v� �j� C, Cj� � ��.�- � � G �C�� UUO�� O� ' �� `� `' �! �-i `,� �� ^� �i i _ _ ��=)L) o C'� CJC� �� O_ _�o °��C��r "C �r�� W2 = Do -fL0 ;'-i0�(`)C�(�) Ori��r; �i�(" �r in �- ,�/ o��j�nn G',: % i ��J 1 �%J (� Ci ��j `� � i i_„ � - �' ,�j ��C� (1 �'�C� �� - _ _ 1�_�� ; _ ,��,_ � _� r �� P/an - Tailwater � 0.5 Do � ��=�� =�� r��`�. �,�� ; i;�� C�; � � ri ��; % '`I , ' � � Ji �� = i i�� _ll� � = ' i T � )� �< <- ��; i� �� ',��i � � - � � -- Section A-A Plpe Outlet To F/at Area W I th No Def I ned Chonnel Wl = 3Do A � H � :v�--' �, ��(�j `; �J J � �� C� c' � �lv/� r'� � (-� �)�� (, ^i ✓(-_jn (J G Uf i� (�i n ��( 1 r��,�nC�� °�r'�� ;°�� o ' �� C�C� o -�C� � Ci0 � � � n �CJ n � �-�' �Cl n� � /_ �`J r jn0�� o�� )o�c� n��0�0� �.� `-�-� G C�� J�� L' `�J, J � C ', �_�� -) ;� , OC�� O� Oc � � '� � � � �� , ) � �1,-�-� ( 7 � . � �� - ; =�,-? T ai lWoter � 0.5 Do �_; � � �� r ��-�'�� - - �-, SLOPE l%2:l OR FLATTER � �,(� �� , , _ _) � � �;-; _ ', � , � '�r= �� '� =;- ; l � . �� _l ��, , , � � � Section A-A H= RIp Rap to Top of Pipe (Max. H= D+ Tl T= 1.5�Dmax , Unless Otherwise Shown On Plans CONSTRUCTION SPEC/FICATIONS l. Ensure that the subgrade for the filter and riprap folloWs tl� requlred /Ines and grades shoWn in the plan. Compact any fill �equTred in the subgrade to tf� density of ti� surrounding undisturbed materlal. LoW areas in the subgrode on undisturbed soil may also be filled by Increasing ti� riprap thickness. 2. The riprop and grovel f1/ter must conform to the specified grading /imlts shoWn on the plons. 3. Filter cloth, when used, must meet design requirements ond be properly protected from punching or tearing during installotTon. Repalr ony damage by removing the riprap ond placing another plece of fi/ter c/oth over the domoged areo. A// connectin� Joints should overlop o minimum of l foot. lf domage is extensive, replace the entire filter cloth. 4. Riprap moy be p/oced by equipment, but toke core to ovoid domoging the filter. 5. The minimum thickness of the riprop should be l.5 times the moximum stone diameter. P1 pe Out/et to INe// -Def l ned Chonne/ Filter Fabrlc 6. Riprap moy be fie/d stone or �ough quarry stone. lt should be hard, ongular, highly weather-resistant and Well groded. 7. Construct the opron on zero grade with no overfoll at the end. Make the top of the riprap at the doWnstreom end /eve/ With tf� receiving area or slight/y be/ow it. 8. Ensure that the op�on is proper/y aligned With the receiving stream ond preferably stroight throughout its /ength. lf o curve is needed to fit site conditions, p/ace it in tl� upper section of the ap�on. 9. lmmediately ofter construction, stabilize oll disturbed areos with vegetation. MAINTENANCE lnspect riprap outlet structures after heavy rains to see if any erosion around or be/ow the riprap hos taken place or if stones have been dis/odged. lmmediate/y make all needed repairs to prevent further damage. C a � � 0 � O � V W � 0 0 N O � � � � � C 0 � � c O � � � � a � v � � � � .� L � � � 0 0 � 0 N 0 � 0 3 0 0 � � Q � � 0 N \ O \ � W _ 1 2/ w ��T�� I — � i 1 i�,� - —I I — � p �I I I i I I I— i ' I, l I I I I I"�� - ,-� -�y j� '-� �—I I I_ '' ill,;,III ��'��l �� 1� -r�,—r�il III � � ��; � �, STONE SIZE PER DESIGN - �� I I I-I I I- _ I ��- -� _ �' � I i � � � � I-I I I, ! � �- 6 - FILTER FABRIC OR GRAVEL BEDDING PARABOLIC-SHAPED WATERWAY WITH STONE CENTER DRAIN (SHAPED BY BULLDOZER) CONST RUCT lON SPEC/FICAT IONS RIPRAP CHANNELS (6.31) W - IiI iii � _ ��III II � � I I I I I I I I�� D � I I I I I I I I I l "' — '-111, � I I I � � ��V� � � , —,- � � -�'�— , , ; I I I—, � �- '- �- �' �� -� �� I I I �- STONE SIZE PER DESIGN -� � � � ' �� _I - - _�_ -_, III � ��„ I,, i��-i I�I �, FILTER FABRIC OR 6 -� � GRAVEL BEDDING V-SHAPED WATERWAY WITH STONE CENTER DRAIN (SHAPED BY MOTOR GRADER) le Clear the foundatlon area of trees9 stumps9 roots, loose rock9 and other ob�ectlonab/e materla/e 2e Excavate the cross sectlon to the llnes and grades of the foundatlon of the llner as shown on the plansa Br1ng over -excavated areas to grode by increasing the thlckness of the liner or by backfllling wlth moist so1/ compacted to the denslty of the surrounding materlale 3e Rock riprop llningse Practice 6e15, Rlprape 4o Place f i lters9 bed di ngsy O/ /V �OU�IJ Ol I O� d rai ns to li ne and grade I n the manner speci f i edo P/ace f i lter and bedd i ng materi a/s immediate/y after slope preparationo For synthetic filter fabrics9 over/ap the downstream edge by at least /2 inches with the upstream edge which Is burled o minlmum /2 inches in a trencho See figure 6o/4a9 page 6o/4a6o Space anchor pins every 3 feet along the overlapa Spread gronular materio/s In o uniform layere When more thon one gradation Is required9 spread the layers so there i s mi ni mal m1 xi ngo Fi lter materl al shou/d consi st of at least 3 i nches of materi al on all si des of the d roi n pi peo T he droi n pipe conduit shou/d be a minlmum of 4 Inches in diameter. Acceptob/e materla/s Inc/ude perforated, continuous, c/osed -�oint conduits of clay9 conc�ete9 metal9 plastic, or other suitab/e mate�ial (Practice 6e8/, Subsurface Draln)e TEMPORARY STREAM CROSSING (6.70) CONST RUCT lON SPEC/F/CAT IONS t'Ki1�CJ��1i `i.C� Y'fvi�i� [�iivGc��nT 3-4' Y�ipTHS F�� STR�A�1 CROSSING 1 /4� ��lPPt7€t�'E17 � • a B�E.� t �_ �3R � 9.25p t�lA. � t�1�1TFR nl\1FR�Ei?t�} ---.ti t/4 SUP�fl�27ED a m ��-�:�7_,.. . �XEST�h�G S�'fAC.� �XRsi�NG S�S��R�� ALT�RIVATE TE�iPC�RA►RY S�'R�AP� CRC�SSfh�� R�I�GE��T� 2�OT T� SCaLE TYPICAL RIP RAP CHANNEL - I II � (�� ; �III- -�: � IIIIII� li Q--w� ;�;� I I I I I I ��'�_ �`��=��-1 I I I I I � � I�I I I—I I� I I I—I I I—I I I- FILTER FABRIC OR GRAVEL BEDDING TRAPEZOIDAL TABLE STONE CLASSIFICATION RIP RAP DEPTH A 9" B 18" CLASS 1 24" CLASS 2 24"-36" NorE: /.l0 BE USED WHERE EXCESS/VE STORMWATER VELOC/T/ES PROH/B/T VEGETATIVE LIN�NGS. 2. SIZE OF STONE MUST BE DETERM�NED BY APPROPR/ATE DESIGN PROCEDURE. 3. D/MENSIONS FOR D& W VAR/ES ACCORD/NG TO DESIGN. 4. RlP RAP DEPTH AS PER DES/GN OR REFER TO TABLE. 5o Perform oll channe/ construction to keep erosion and water pollutlon to a minlmumo lmmediate/y upon comp/etlon of the channel9 vegetate all disturbed areas or otherwise protect them against so1/ erosione Where channe/ construction will take /onger than 30 days9 stabilize channe/s by reachese MAINT ENANCE lnspect channels at regular Intervals as we// as ofter mo�or ralns9 and make repalrs promptlyo Glve special attention to the outlet and i nlet secti ons and other poi nts where concentrated f low enterso Caref ully check stabi li ty at road crossi ngs9 and look f or i nd i catl ons of pi pI ng9 scour ho/es, or bank f ai luresa Make repai rs i mmedi ate/ya Mai ntai n all vegetatl on ad � acent to the channel I n a healthy9 vi gorous condi ti on to protect the area f rom erosi on and scour duri ng out -of -bank f/ow� le Kee p c/eori n g ond exco vati on of the streom banks and bed ond o p proach secti ons to a mi ni mume 2o Di vert oll surf ace wate� f �om the const�ucti on si te onto und i sturbed oreas ad � oi ni ng the st�eamo 3a Keep stream crossing at rlght ong/es to the st�eam flow� 4a Ali gn rood approaches wi th the center li ne of the crossi ng f or a mi ni mum di stance of 30 f eete Rai se b�i dge abutments and culvert f i l/s a mi ni mum of l f oot above the ad � oi ni ng approach secti ons to p�event erosi on f rom surf ace runof f and to allow f lood f lows to poss around the structuree 5a Stabillze all disturbed areas sub�ect to flowing water9 inc/uding p/anned overflow areas9 with riprap or other suitable means 1f design velocity exceeds the allowab/e for the in-place soile 6a Ensure that bypass channels necessary to dewater the crossing site are stable before dlvert/ng the stream, Upon completion of the crossinq, fill9 compact9 and stobilize the bypass channel approprlate/y, 7o Remove temporary stream crossings lmmedlate/y when they are no /onger neededo Restore the stream channe/ to its orlgina/ cross-section, ond smooth and appropriate/y stabilize all disturbed areaso 8o Any In-stream control measures must be removed upon stabilizatlon of the areao MA�NTENANcE lnspect temporary stream crossi ngs af ter runof f-produci ng rai ns to check f or blockage I n channel, erosi on of abutments9 channel scourq riprap displacement, or plpinga tilake oll repairs Immediately to prevent fu�ther domoge to the Installotiono 2" DIAMETER OF PIPE OR 12" WHICHEVER IS GREATER FILTER FABRIC CAPACITY OF PIPE CULVERTS= BANK FULL FLOW COARSE AGGREGATE .�n��^��, COARSE AGGREGATE 6" DEEP a o�o�o�o..o?-i�g"�—�n� '� ve0000poAQo \ \ _ o,g,o,o�.� ,�� • r� �� r� �� o;o,°��`,�.��',�.��',�.��',��,• n� �n�. �n�. �n�. �n�. �� _, ,;�, ^ � I�.i ,-�!, ��,I �''��i �- 25' MIN. TOP OF BANK---'� �V EARTH FILL COVERED BY LARGE ANGULAR ROCK �- •�.. •,�.. •,�� ,� •,�. —�;.� aga o a o-z,-_ n n � n � n � � n � n� -4¢°�°o°o°a t. ` �. �� . �� z. �� . �� z. �� z. �� °� �V'��V'��V'�� v'��_'��v�i�v�` � ��\ , �I �I '��zYz� �`�z��`i1= 1I. III III III �i� ��'�—I I I-1 I I—I I I I L= n ��— �� I� —��— � �,� �,,— ,� ELEVATION EARTH FILL COVERED BY ,.�.�.�. ,...,. �.�.�.� LARGE ANGULAR ROCK �I I I I FLOW I I I I'' �I�I�I�I I�I I�I I�I�I�I��I ,'0 1' '^� � �'''� ' � �� .��- �.� .�� .��: � ,;�.-.T� ��-- -�—�� , n�, n�, n�, n�, n� n�, n�, n�, n�, n�, n�, r i �I�I�I�I�I�I;I�I�I�I;I�I� STREAM CHANNEL � �I'I'I'I'I'I'I'I'I'I'I�j d,I�I;I,I,I.I,I�l,l,l,l� PLAN � � •� � 25' MIN. - TOP OF BANK O, � � O a� OO V W � O O � O N O � � � a� �' tn c 0 � � c O � / � � � � Q L V a� � � .� L � I � O O � O N O � 0 � 0 0 � i J Q � � � N \ O \ � '�'N `HJI��d�l SJ�dMHJIH �Q N4ISI�Ia NOIldl�OdSNd�l �0 '1d30 b'NI�O�b'� Hl�ON �0 �1d1S ,� W Z O � � J � � H z O U H Z W � H � W � Ma�NrENaNcE d 3dJ11 �1�3H� 1� IS ��0�1 A�IdbOdW31 �0� JNIMb'�Id d�lb'aN`d1S HSI�JN� z ■ � O W ln H z . � � � aC cn z w J LY m Q � � Cn � L� Q U ■ J � p ■ c� oc z � w c� w � W Cn C/� �-- � _ � _ � z � U Q� w z 0 H � J a � � H U � � � Q J � N T O�O( °o ° O�P( Z �o H � � � T Z H � N �� 2 J W z _ ❑ U H c� � � N lnspect silt checks ond channels for damoge after each runoff event. Anticipate submergence ond deposition above the silt cl�eck and erosion from high flows around the edges of the check. Correct all domoge immediote/y. lf significont erosion occurs, instoll o protective riprop liner in thot portion of the channel. Remove sediment occumulated behind tl� checks os needed to prevent damage to channel vegetation, allow the channel to d�oin through the silt check, ond prevent /orge floWs from corrying sediment over the check. Add stones to checks os needed to maintaln design height ond cross sectlon. STATE 4F '� - � ` N�RTH CAR�LINA DEPT. OF TRANSPORTATION DIVISION OF HIGHWAYS RALEIGH, N.C. �o ( �� o � 0 �� o ( 0 �� o ( 0 �� 0 �°o a0 oa� 00 a0 �0 C� O �� f p �� 0 _ °0 0� �aa Oo � � �o a i z H � T O H �- W Cn ENGLISH STANDARD DRAWING FOR TEMPORARY ROCK SILT CHECK TYPE A f � O o ■ T M W�w = T tn TEMPORARY LINERS (RECP'S) �x�o�.�t�. �h�-�-�1 �o d�_-i�r7 _ � t�cr��p �� rMi��. �e,a,i� anAd crsss�-��i�.n �'' �� ,, ' � =�y: . � 9 r ; • � �.`�^��rc:Ut c:�,nr,r�e,l :t` tv ,, ! � �,� ��c#k�n� �Uf if"w'� 5��+� �I'��I'��tf�SF'. L�e�:ign ��,t�„ �,�+'!� � �. k•. ' f. "" . �i],'ii.�' I'PJ�IG�Q�I 'w.�'`�'-1 � ''` �r�ch�r ;e�n+�h. ,� _ � ��-:,�, ^� .�. �� ,,.., � �.� �.•��aiULzt}3ti5.c ;s�ia ��y=,a � a4 { :� ��1 ` i.• r� .v� �� , � _�.�� . � � �J� �- _ �.. ` ' .�. 1.t7'�c�f� :'Y'li t�. C.�"— a�'�' ��?. _ ��• f ��.i�lc-I�d s�k��:e.� �n4i �ex �e.�i�, �-�w �al i� : c�,. int�.re�rt�e*-,� cla�k Yi-c,t ��i�l i�allati�n a�i�l� ea�r��ian cor�#r�ol ��anket� �r� tur�f r�irr�ar�-nt rn�t� �r��nr�c ��wi �a�-� �pp��a s,�e�� L�to�e. '' �r��llir� �I�r7k��.. �nat� �� €�t�er , � .� tc�a�rcar�ar �h�nriel Lin�r� ��-t� � ��'---�' ;: , � �- ��s: 1. ��i�r� b�.l��:i�ae� ��c�drr7g � ft,�se� �-e�>ia�+e. t�rrtip°r�r�+' Fal�4s€.��. �nat� c�e �irv�rl� I��e:r� tr� �cat�t �� on� �c i � unti:i sa+�.}ati�c�-. �c-cx+ra�e� ��at�l i_-h�d. �. ��-I ir�J �c�r��-aels a��iaku �dcsiqri ��r�.��rt��es e.�c��.�e.a� i� +5 ��t�'s�c she+�1d i�,c l�d�. �ur� �°e:infae�errrex�fi .. rr��s T�C�I�e 6.� �'� P��r�rti�si�i� Sh��r *�tr��, r�, �f'��eit��s F�E�F"'s M�x. �'�rr��s- �Id�a�s' �a'�i�€��• Pr�du�c� T��o� ul�lP aBhe�r ��r�� J� T� tl; [ ��ft� :i G��r�a�'�I�le F�Ec�F'°s ��?r��r��t�t�j h9ek� �nd �1��ch G.� - L�.� �G:1 �� r��, �_� - �.� �:�1 61�nk�t - �ir��'� P�I�t ti. ;� - �.-�r �:1 �i��,�.�� - �.,�� r�a�t �.�� - �.-c+ � :1 �•tonde�ra�.�l�le FtECP'=� Urtveg�t�ted TF#�I"' � -� 1:9 F'�r'�+311'�'�.a;��tat�� Ih�IL� � -'� }�:"� �ul��'°.�egek�at�d ; - 1� }�:� * �t��r �Iope Irre�i�s nr�� p�. :For f��irther inf�a�rri�ti�n, �n�t�c� #�� na�i�f3c#ur�r. ,� ��arf R�ii�`rr�er�7er�t F.4�t. COA/STRUCTION SPEGF/CAT/ONS CONSTRUCT/ON Grode tlae surfoce of Instollotion oreos so thrJt the �round is smooth ond loose. y�/aen seeding p�ior to instollation,folloW the steps fo� seed bed preporotion,soil omendments,and seeding. All gullies.rills.and arn other disturbed oreas must be fine graded prior to instollotion. Spreod seed before RECP Instollotion. flmportont: Remove all large rocks, dirt clods, stumps, roots, grass clumps, trash, and other obstructions from th�e soil surfoce to olloW for direct contoct betWeen th�e soil surfoce ond th� RECP.J Termino/ onchor trenches ore required ot RECP ends ond intermittent trenc/aes must be constructed ocross chonnels ot 25-foot Interyols.Term/no/ onchor trenches should be o minJmum of l2 Inches In depth ond 6 inches in width, yyhile intermittent t�enches need be only 6 inches deep and 6 inches W�de. lnstollatlon for Slopes - Place the RECP 2-3 feet ove� the top of the slope ond lnto an excovated end trench measuring opproximate/y l2 inches deep by 6 inches Wide. Pin the RECP at l foot interyals along the bottom of th� trench, backfill, and compoct. Unroll the RECP doWn for olongJ the slope molntoTning direct contact betWeen th�e soil ond tlae RECP.Oyerlap adjacent rolls o minimum of 3 inclaes.Pin the RECP to tl� ground using stoples or pins in o 3 foot center-to-cente� pattem.Less frequent stopling/pimiing is acceptoble on moderote slopes. lnstollotlon In Chnnnels - Excavate te�mino/trenches fl2 inches deep ond 6 inches WideJ ocross the chonnel ot the upper ond lo�.yer end of th� lined ciaonnel sections. At 25-foot interyols a/ong th�e chonnel,onchor the RE�P across the ch�onne/ either In 6 inch by 6 inch t�enches or by instolling tWo closely spaced ro�ys of onchors. Excovate /ongitudina/ trench�s 6 inches deep and Wide olong chonnel edges (above Wote� linel in Which to bury th�e outs�de RECP edges. P/oce th� fi�st RECP ot the doWnstreom end of the chonnel. P/oce the end of the first RECP In tl� treminol trench ond pin Tt ot l foot interyols o/ong the bottom of the trench. Once pinned and backfilled, the RECP ls deployed by Wrapping oyer the top of th� trerich ond unrolling upstream. lf the chonnel is Wider thr�n the proVided rolls, place ends of ad jacent rolls in the terminal trench, overlopping the odjocent rolls o minimum of 3 Inch�es. Pin ot l foot interVols.bockfill,ond compoct. Unroll the RECP in the upstream dlrection until reoching the flrst intermittent trench. Fold the RECP back oyer itese/f, positioning th�e roll on the doWnstream side fo th�e trench, and olloyying tlae mot to conform to th�e t�ench. Then pJn the RECP �fyyo loyersJ to fhe bottom of the trench.bock?ll.and compact. Continue up the chr�nnel fWropping oyer the top of the lnte�mlttent trenchJ repeotlnq thls step ot oth�er Intermlttent t�enches.until reoching the upper te�minol trencl� At the upper terminal trench, alloW the RECP to confo�m to the trench,secure Wlth pTns or stoples.bock?ll,compoct ond then bring the mot bock over the top of the trench and onto the existing mat (2 to 3 feet oyerlop in the doWnstream di�ection).ond pin ot / foot interyals across the RECP. y�hen storting Instollot7on of o neyy roll, begln In o trench or shfng/e-!op ends of rolls o min/mum of l foot With upstream RECP on top to prevent upllfting. Place the outslde edges of the RECPfsJ In longitudinol trenciaes.pin,back?ll,ond compoct. MaNTENANCE l. lnspect Rolled Erosion Cont�ol Products ot /eost week/y ond ofter eoch signi?cont fl/2 inch or greaterJ roin foll event repoir immediote/y. 2. Good contoct wlth the ground must be molntoined, ond eroslon must not occu� beneoth the RECP. 3. Any areos of th� RECP tl�t o�e damoged o� not in close contoct wlth the ground sh�oll be �epaired ond stopled. 4.1f eroslon occurs due to poor/y controlled droinoge.the prob/em shollbe ?xed ond the eroded oreo protected. 5. �onitor ond repoi� the RECP os necessory until g�ound cover Is estoblished. o, � 0 � 0 c� W � O 0 N � � � N � � G O � i C O � � a� � � � Q � 0 � a� � .j � .� L � � � 0 � O N 0 , 0 � 0 0 � i J Q � � � 0 N \ O \ � i ONSITE CONCRETE WASHOUT STRUCTURE WITH LINER 10'-0" M I N . A O � � O SANDBAGS (TYP.) OR STAPLES Z O O 10 MIL � 1:1 PLASTIC SANDBAGS (TYP.) o O SIDE SLOPE LINING OR STAPLES � o (TYP.) 0 0 M O0 � O = /�. �. �. .. � O z X� `.� �. �. , , � M � 025 � `��/ N �� . �. . � �/,./i A CLEARLY MARKED SIGNAGE SECTION A-A CONCRETE NOTING DEVICE (18"X24" MIN.) WASHOUT NOTES: 1. ACTUAL LOCATION DETERMINED IN FIELD 2. THE CONCRETE WASHOUT STRUCTURES SHALL BE MAINTAINED WHEN THE LIQUID AND/OR SOLID REACHES 75% OF THE STRUCTURES CAPACITY. PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE CLEARY MARKED WITH SIGNAGE NOTING DEVICE. BELOW GRADE WASHOUT STRUCTURE NOT TO SCALE HIGH 10'-0" MIN. COHESIVE & B OR STAPLE�TYP.) LOW FILTRATION HIGH SOIL BERM 10 MIL COHESIVE & O O O O O PLASTIC LINING LOW FILTRATION 1:1 SIDE SLOPE SOIL BERM z O O _ (TYP.) � O O � � �� - ��%�% O M N \��\��\� \� �, Z X � \ \��\��\ \� � _ �.,��,�� // ii��i� /r��i �ii��i� \�i\�i \�i . � c,� � °zs � �� O O i., i�'i�'i�i�i�'i i.� i i i i i i�i i i ii�l��' i i i 1�il � .� .� .� ��\�\/\/�\/�\/\/\. /\/\/\/\/\/\/\/ .�\/\.� .�\.�\.�\.�\.�\.�\.�\/\/\n\.� O� p 2�-Qn O � O i 6�� SECTION B-v 6 SANDBAGS TYP.) NOTES: OR STAPLE 1. ACTUAL LOCATION DETERMINED IN FIELD CLEARLY MARKED SIGNAGE 2. THE CONCRETE WASHOUT STRUCTURES CONCRETE NOTING DEVICE (18"X24" MIN.) SHALL BE MAINTAINED WHEN THE LIQUID WASHOUT AND/OR SOLID REACHES 75% OF THE STRUCTURES CAPACITY TO PROVIDE ADEQUATE HOLDING CAPACITY WITH A MINIMUM 12 INCHES OF FREEBOARD. PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE CLEARY MARKED WITH SIGNAGE NOTING DEVICE. ABOVE GRADE WASHOUT STRUCTURE NOT TO SCALE PRELIMINARY DESIGN NOT FOR CONSTRUCTION '�'N `HJI��`d� SJ�`dMHJIH �0 NOISI�Id NOIl`dl�lOdSN`d�ll �0 ' ld3a b'N I �O�lb'� Hl�ON � 0 � l`d1S �� z m Q � � H Q m z H J H � Q H W � � MAINTENAIyCE: z H Q � w � C� z H F-- � H X w NISd9 JNI��IlS �dI�3dS �10� JNIMb'�Id a�l`daN`d1S HSI�JN3 Z H � � � 0 U � w � W CJ� � 0 O 0 N � 0 � T C3 z O H H Q � J H L.L W O z W � � W H . m �1 Z � Z . ~' Q�zwz w m�zt�-o � Q � H L1J C'3 o w (n I- W H Q J �,��>Q � � L.L W � O O � � _ � I- z � w Q ~ Q O z w H z w o ~ w O � � Q � o � � � W 0 m I` w � '-' Q � w °0 w o z . N � �C OC H � H Q H d. i%� Z J � � W m H O Q I- Q � � � w H Z � ' C1� J w � H W J J � J . Z w Q F--i � J z o 0 0- x cn � CI� � � W F- Cn � J� p O J J � � � � � Q E"� z o � w �U Q O � lnspect in/et pipe and bog for damoge and blockoge. Replace bog When 3/4 full of sediment. Provide a sufficient quantity of bags to contain silt from pumped eff/uent during construction. STATE OF " ' ` NORTH CAROLINA DEPT. OF TRANSPORTATION DIVISION OF HIGHWAYS RALEIGH, N.C. ENGLISH STANDARD DRAWING FOR SPECIAL STILLING BASIN T � ,� O o • T O w�w = T � W � Q U � 0 � O z T � � O o . T O � M w� w = r 0