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EROSION AND SEDIMENT CONTROL DRAWINGS
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PROJECT: SENTER FARM r%r�' 1 _
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ENGINEER: TIMMONS GROUP L I' i-- L_L__`l��e t a -
5410 TRINITY ROAD,SUITE 102 � -T - �"I ��L�� D. Sheet List Table z
RALEIGH,NC 27807 �\ �__ � i;, i=i i � Sheet Number Sheet Title DATE
PHONE:[phone] J ,I ` J v�\ 0?-
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MIKE ZACCARDO,PE IS _ L___3 —� - / \,\,, - C5.1 PHASE 1 EROSION AND SEDIMENT CONTROL STAGE 1-SHEET 1 OF 4 Y DRAWN BY
EMAIL [e-mail] � �_` I = C5.2 PHASE 1 EROSION AND SEDIMENT CONTROL STAGE 1-SHEET 2 OF 4 331
{ �`�';�� I- \\; L� fi-----___ �, C5.3 PHASE 1 EROSION AND SEDIMENT CONTROL STAGE 1-SHEET 3 OF
DEVELOPER: BETHESDA ASSOCIATION LLC /h° \ '[�__ DESIGNED BY
— B I JI C5.4 PHASE 1 EROSION AND SEDIMENT CONTROL STAGE 1-SHEET 4 OF 4
10030 GREEN LEVEL CHURCH ROAD Q!G � � 7 I C 331
CARY,NC 27519 5 vL/ I J� 1 I V _ 1f i C5.41 STAGE 1 DETAILED CULVERT STREAM CROSSING ••
PHONE:[phone] --{{ %/ ( . _ I i -- I __ 7_ C5.4 PHASE 2 EROSION AND SEDIMENT CONTROL STAGE 2-SHEET 1 OF 4 • CHECKED BY
STEVE GEORGE 1r_ I -_ I �1 —C C5.5 PHASE 2 EROSION AND SEDIMENT CONTROL STAGE 2-SHEET 2 OF 4 • MVZ
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� C5.6 PHASE 2 EROSION AND SEDIMENT CONTROL STAGE 2-SHEET 3 OF 4 • •
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PROPERTY LOCATION: US 401 N J , i 1 .� h C5.7 PHASE 2 EROSION AND SEDIMENT CONTROL STAGE 2-SHEET 4 OF 4 • NTS
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'I ,i,\ 11'I� C5.8 EROSION AND SEDIMENT CONTROL NOTES AND DETAILS 1 OF 4 •
PINS: 0654-54-8082,0654-63-8315,0654-64-9335,0654-74-3591, I I I / V C5.9 EROSION AND SEDIMENT CONTROL NOTES AND DETAILS 2 OF 4 •
0654-74-8734,0654-86-6486,0654-86-9430 _ \I C5.10 EROSION AND SEDIMENT CONTROL NOTES AND DETAILS 3 OF 4 0
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I �I / ' II C5.11 EROSION AND SEDIMENT CONTROL NOTES AND DETAILS 4 OF 4
ZONING: PUD PHASE �I l I
TOWNSHIP: HECTORS CREEK `\_,.,,_\_ ,, -- OM
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PROPOSED USE: RESIDENTIAL �'� J� IA�„'- / I1-r��/ i g
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TOTAL TRACT AREA: 207.92 ACRES \ _! /CHALYBE l_ 1-____ / 1 ➢o
TOTAL DISTURBED AREA: 65.5 ACRES � 1�-� ���'� %�� ���� ik' W ''D ce -''3
ii STAGE A: 18.37 ACRES A -' j �_ ��\\-� .
STAGE B: 19.74 ACRES %����� [� ���� i,U j s . N 8 o 0
STAGE C: 27.34 ACRES(OUTSIDE HOW) 1110,`2 VICINITY MAP o a-
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DURHAM,NC 27709 DURHAM,NC 27709 DURHAM,NC 27709 < 1-1-1 Z '-' T o
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/ \ - 1, , 7J S, I \I \ ,HQW'ZONE CONSTRUCTION STAGING j�1 CONSTRUCTION SEQUENCE o
�{C ^ \I' \ ` \ \ 1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.KEEP A COPY OF THE APPROVED PLAN \1 1111 // V
` J ~ / ,ram / e -� _ .L I - \THIS PROJECT IS LOCATED IN AN HOW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT / ' • <' I/ 2'2 ON-SITE AND POST APPROVAL PLACARD. s..\X\\N CARO////
i\ I I r•/- •-_ � I, \ I ` L-. J l/ - /� \./1 ANYTIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A.EACH " ` ° ° \ r I r 2. NOTIFYNCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q�,•ESg/•.�/ /
\ L C - \_ ,, \ \ /y. (.G "� l \ `I CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. I PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER 'pF ON•?i I.7)
SITE ACCESS CONSTRUCTION SEQUENCE o� ~LQD s, _ N-=u CONSTRUCTION. 2? v: _ 0
/o- `• y /• - } T� I•L . /` F 1 I \ \ \ / I I 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONS •C SEALr. o
III - /J �' ° `S'v - \ �\ -- .'I--,�� SITE `L AND OTHER MEASURES AS SHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TO INSTALL AND 049120ce
1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A __- <3. - LOD' //. \ 1 �/ MAINTAIN THESE DEVICES. O
LAND-DISTURBING PERMIT. - ' '1-_ _ -/� yQ LO '� ' L \ 1 I r \/ ( I \" - 'BOUNDARYI 4. BEGIN CLEARING AND GRUBBING.MAINTAIN DEVICES AS NEEDED. �Ii sF
2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY ry `-'\_\ • .L. /''�'� ' ��\�, / ( '•GINT• \\'\ / - / /)J 1a �QD` \_ ��/� _ 5. ROUGH GRADE SITE. \\CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN { / - '�✓�,. \ NCUT ACTIVITIES. °f" / l , ' , I \�\ _ ", (�\ �� ` .1 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT ///;N H•BE D\\\3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER -J !' / `' >, I )_ \_ / ' ,-1./\/`"-' �\.......::,
\ REPAIRS AS NEEDED. ///IIIII I1141 o
AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE ' ) 1...."''''.--
\ �3$O 1 I f _~ _ -_ ' 7. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION, p
4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH ^~ I \ 1 _ `` �t 1 ' ° 1 ' /I \` '- /- y/ • ��/ L� TEMPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED Z
TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. ( . J1 \ ` ,-1-� `\ t //`, / r I- / I' ,,\\ -'o y4,S /- n -, ".,:,!-,:,1';'.
`I i �y' BELOW.
5. INSTALL TEMPORARY PIPE CULVERTS AND BACKFILL PROPERLY. /\ \/ ^ ` J ..- / J( J,-.. _`"5�� r ro 8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED CALL FOR INSPECTION BY NCDEQ.
6. EXTEND SITE ENTRANCE FOR FULL ACCESS TO THE REST OF THE SITE. I \ ``\, f✓ / \ ' \\ - - ~- / •o 1 QM.,\ \ • O 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR REMOVE SEDIMENT BASINS/CONVERT THEM TO
IA
J. CONTRARORSHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. ^ `\ / \. ! /'</1\ 1 \ I ! 'y/ ,I Z PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS. Eo (9
'/ l 1_ /\ -- ` / -- _--_-- _ =- / % 10. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BY NCDEQ INSPECTOR TO Z
//l, I_ - ___ \ I'/!I I .a, -\ L \6I STAGE B - 2r I-- ST, '/ / ---_ - I \\ I / '' OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES. A
\ - -\ III1 / /' �/ 1 \ ` `_ "I .% S I _- \ 1 -_ _ `I S *Fe - �^ \ 1 1 I\ 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED. e E Q
A /Ii�1( I / ,',� / �> i/( Ir II 1I 1 19.74 AC ', C' I"/�9L'Fc.• `'e�l/ _ � � n�l^ A ' � GENERAL NOTES �3 a�
Ill" \ ) - MAINTENANCE PLAN ....
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/ :SITE -34.5_ - - /I/ � ' 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL 3 .�
-340.\, - -'-\I \l // )J/!I ! 1 / _".3 _CZ- ,\,- I I\ \I ' BOUNDARY ~ '\ am_' ��_ \ \I\�,� \\ '-,--,-:::1,--
y`_ STATE AND LOCAL CODES IN OBSERVING EROSION OW-aO
\ (J / D1,_S_ \ / 1 1 _, L _ \ STAGE C _ -_ << ( CONTROL MEASURES BOTH ON AND OFF-SITE. V N
\ I I I 1 I11 ' / // /I \`�.7-1\ / 1 l ~ \\ / �'l _ \ - I •I 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE LL-� Z a
f ' I 1 \'� �=- \'-._ \ ^� ~ 1 (� ---,--\--- \-\ 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY p
1 i I/ 1 I l /C \\ r,. ^ ^ ^ -- 5 27.34 ACEROSION CONTROL DEVICES AFTER EACH RAINFALL RUNOFF-PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE O o F
{ II I I / I// I - 1 \,'/,`„-1 \ ! I -. ''r. r- S, \ 1� EVERY WEEK.ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY =.. a
1 I\ \I, /,'-- I I r 1\ \\ SILT FENCE- 1`\ I 1' �. _ r __ __ ____ -_ -'� ✓_o,l , L / - EVENT OR AS DIRECTED BY LOCAL AUTHORITIES OR Z w p_v+
I / /� I \/ _ _ _ -_ 'X ` \ ,J-,I THE ENGINEER. TO MAINTAIN ALL MEASURES AS DESIGNED. F
1 I TYP.
STAGE B _
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\ /11 / / / �I\\ I _ IIWr T�F pI ,LIMITS OF 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS WHEN a.- al od
/ I __ _ - \ \ \i w 1 l 3. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE
p I//// J,'\ ) 1 I '( ~ �\ r STAGE A I o DISTURBANCE FOR OFFSITE DISPOSAL OF ALL CLEARING AND STORAGE CAPACITY HAS BEEN APPROXIMATELY 50%FILLED. Z
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n/1` // / / / /\1 \ , _ _ \ ` - - ` f'` \' ` 1 -, \ .S TYR v GRADING WASTE MATERIALS GENERATED DURING HIS CLEAN OR REPLACE GRAVEL FILTER WHEN THE SEDIMENT POOL NO c" Z Z
\ \ III '� y/ / / (�f'//1/ 1 1 V r\` `\ `\ \ - _ _�- '- __ /' SILT FENCE . I \ \- �o /( PHASE OF WORK AND FOR OBTAINING ALL LONGER DRAINS PROPERLY. . N
\ - - I ,,- / / !I - \ 11 1\ l\ I ^F/--\\ ` 340 _ ------_- - - `__./ / (NP,) 1�„ 1 _ \\_- �\ \ , / .-.. ` APPLICABLE PERMITS FOR OFF-SITE STOCKPILES ~ F m
�+ ° 1 r / / ^I \ LIMIT$OF_' ".\ \ \\ \ \ - AND/OR WASTE AREAS. 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN DEPTH BD
! / / II\ _ __ -__ __ CHECK DAM(TVP.) w
(�� I / 1 \ - / _ \ /\` -LO[S 1 L REACHES 6-INCHES AT THE FENCE.REPAIR SILT FENCE AS a, W
\--r`^+1 f fI',I I I ,/ (), , 1 DISTURBANCE / -I I - -- `\ \ _ _ --- -- / _ -_ _ / / `I \ _ NECESSARY TO MAINTAIN A BARRIER.
1\ 1\I//I)- �/ (/ I �`20i 1\`I�\11. (TYP.) { \(,I , _ ` „t ' / , - - _--__`/' 1 \\ \_ A\`/ -, - G- l_L� ♦ LOo -,�- 4 CLEE ACN NGT ANVTTORAR CKEDL SOE ILRFROM ALILBADJACENT 3) O
t Y I 1 - \ / _ - , 4. ALL SEEDED AREAS SHALL BE FERTILIZED.RE-SEEDED AS
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\ \ \ \ / '<' \ . .V ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION a
© ' \I ! / / / l I(I l _ I 1 \ \\ '` -SILT FENCE `) /\ I - NECESSARY,AND MULCHED ACCORDING TO PROJECT SPECS TO O
l�\1/ I I I /l/ /` \6/
/ \ \ i . \ ', -ti_ / '� ` l TRAFFIC.
]"� ) II r / I// / / \/\ \,\\(\r i_ /, III .\ .I (I'
`�- OUTLET(TYP.)•\_ ` �1 ,\ - A `_ - - MAINTAIN A VIGOROUS,DENSE VEGETATIVE GROWTH. Z
V / / / (1 )�\' \ `, ---\\S 1 \II ` `\ • - ` __ _- _ - _ - \ 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO
\ \\ I I I 1// 1, 1. \ ' ' / yT\ l - °\' - \ \\ \`\\ _ . 1 �'/ 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT gj 1
'X /, /// , I \� \ - --I I/I ( I . '\ \ / _J ' - ,,' �' \ \/ - /1 MINIMIZE LAND EXPOSURE.LIMIT EXPOSURE TO DURATION OF CONSTRUCTION.\ r�/�/•� I /1 /! / /'I 11l' \ / /e`\\\\\ \.� \ \` I . - I - / / \ \ ` \ \ ) °^.'\ \ �"�• APPROXIMATELY 20 ACRES AT A TIME Op
/ J 1 I /' ,// / / J111 \\\ / / ',\\ - I \ 1 \ --- / /!/ /' / I I(\/ :',\\ ^ DIVERSION DITCH 2A ` \ .\ -'` ' 6. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES WEEKLY AND s Q
335 __ F I /, / / / I L� \ - =I \` \ YI \ `\ �� \Y \ I ^' I , II 1 \ - L ` - ` `� `, ° BASIN REMOVAL SEQUENCE AFTER SIGNIFICANT INCH OR GREATER)RAINFALL EVENTS TO 0 0
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l' ,\
/,/ / / >/ _ \\ \ 1 I y\N.
\ - 1 SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN a, J
- \ \ !,' -/ / / / r 1 I I 1 \\\\ \\ o \ \ ( I / ./I III / \\ `• \ _ 33 ` \ \ \I\�I _ 1. SCHEDULE A SITE MEETING WITH THE PLACE,OR IF STONES HAVE BEEN DISLODGED.IMMEDIATELY MAKE _
I-\ / I /, I ^ ,.,/ > I_ _ \�/� ! `, I \ _ `` 5-` .` --__= \> - p N. ` -- ENVIRONMENTAL ENGINEER/CONSULTANTC TO ALL NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. C'
lS\/ P� t I / 1// / I 1/, / / _ \\/ 1 itF l i ` % 1- F ^-
1 I.° „/ ( / 1 I / \ \ • \ \\ \ \ \ �`' F DETERMINE IF A BASIN CAN BE REMOVED.INSTALL a
\ I/l I / //, 1/ /' - / It \ II I,� I)�I T ` J J `_` ��1� 1' \/ 1 / • I\1 I. \� / -- -- - ' \`\ \ -- \- =I_ 5 I SILT FENCING OR OTHER TEMPORARY EROSION w N
L \ / (/ ' - - /r / r \ \\ ~ '- �"-\ - - \ CONTROL MEASURES AS NEEDED PRIOR TO F
r/ u/ �/// // I 1 I/ v �_ w _ DroERSIONDITCH26, �� REMovALOFrHEBASIN. NCDEQ SELF-INSPECTION PROGRAM o
/-~� `71//( -� /////( /.+''0'./ /l�I //1// /'I I/I 1 .I {/ \ // STAGE A / `\ \ / �� '�� _ \ _ \\\1 \\ -\\` .\ ll `I. 2. REMOVE BASIN(S)AND ASSOCIATED TEMPORARY THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2008 TO Z
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2` / / / I I I _ ///I l r r / /,'
\ �. CHECK DAM(TYP.) /I \` \ _ _ \ \ J _ o
\cl\ , / / / /V t I \ I �)\\ _\ DIVERSION DITCHES.IF CULVERT PIPES NEED TO REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES
\ /,_ / I / /II I ' / /'/ /1 / / _ \ \ 18.37 AC \`\) �\ 1��:, \\\ ,\ \ BE EXTENDED,PERFORM THIS OPERATION AT THIS INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE DATE
0- ��� -) // / / 1°\ I I 1�1\ __-I// l I!/,/ I �'I?. \ __ - ! \ / / \ \ \ \ \ -- - IL TIME.FINE GRADE AREA IN PREPARATION FOR THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS
3 I7 I; / / / !/. //I I/1 I I f \ / \�` i/1 I I� _ / - \ \ \ _\` 3,0 ..I ` SEEDING. BEING FOLLOWED. 09/14/2023
/III /, / / / / - \ { 7jt / SILT FENCE I / r-�-- .\ \\ 3. PERFORM SEEDBED PREPARATION,SEED,MULCH RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK DRAWN BY
/ ,1 / / %II I1 \ 1 1I ` \ I \ \ `-___-=-I/ / 1 • I I \, \ \- /_,1\ h AND ASPHALT TACK ANY RESULTING BARE AREAS EFFECT OCTOBER 1,2010.
I II ` /
/ / I I l/ I 1 I - I // / / ( OUTLET ICHECK DAM(TYP.) N`.v
/ I v,, EXISTING 1 1 TEMPORARY / �, I I • / `,i IMMEDIATELY. 331
r•/ /4 \ , / /) \ 1 / \ 1/ (TYP. \ _ -. - THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY
Bpi v, 'III J./ /(1 r `WETLANDS I it \ STOCKPILE / _ I ) _�/ v v
,) _ / _ \ l _ < I - `) / 15"HDPE SLOPE / 4. INSTALL VELOCITY AND/OR LEVEL SELF-MONITORING PROGRAM OF THE NPDES THE SELF-INSPECTION
PERMIT FOR
'/r _ A I T v ,_- ) 'AREA(MAXIMUM I / // \ ( _ v 3 v DESIGNED By
I6T\- l'- '' I \ \ \ 1 \\ _ // IJ ' DRAIN(TYP.) / - (S II . SPREADERS AS REQUIRED ON THE EROSION CONSTRUCTION ACTIVITIES.THE FOCUS OF SELF-INSPECTION REPORT
-T r11 / -- /), \ • \ \ `' 1 r\ `• \ HEIGHT:35') / I / \ \ / / /' - \\ -\ CONTROL PLAN. IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION
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-- \ III , ^.^U1' _ 1 / ` \\\ 1' \ I 33p \ ▪ \ I .?p / 1 , , '_.....
a `-`�� CONTROL MEASURES ACCORDING TO THE APPROVED PLAN.THE
325. �, h \ ~/ -/'`, i I I/ , I \ \I \ '-•� '\, \ _ _-/ 1` -, I r / n / \ i 5. WHEN SITE IS FULLY STABILIZED,CALL INSPECTIONS SHOULD BE CONDUCTED AFTER EACH PHASE OF THE PROJECT,
•
- \/ ', ' 1 ( , / (I- , \ _ \I ___ \ / •% \ I///� I - \H `i Lri}+ \\ •
'` \ ENVIRONMENTAL ENGINEERICONSULT ANT FOR AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED. • CHECKED BY
lilt j1 - - // 11 / ' \ \\ ' 1 I s\ \ `I / \ h ` I! ' SEDIMENT BASIN#2 ` APPROVAL OF REMOVING REMAINING TEMPORARY
---- .7% 11\ /, ,% �W Is I \ `\,,I I. \ I \ - - I \ I\ / I I Ili F_ ^ , SILT FENCE EROSION CONTROL MEASURES AND ADVICE ON THE SELF-INSPECTION REPORT FORM IS AVAILABLE AS AN EXCEL • MVZ
_-- III I, f. , I/' Jam\�_ I \\ \\_ \ \ 7/ \ \ I _ /' if \I N. , I 1111
y ' /,(SEE TABLE) `/.P0 OUTLET ,- WHEN SITE CAN BE ISSUED A CERTIFICATE OF SPREADSHEET FROM THE LAND QUALITY WEB SITE,
--- \'/1/, / / /I,1 / 1' �- ,EXISTING \\„ --- -'/1 1 I \_ \ ' \t ,/'
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�1tINSTALL PERMANEN STREA D' / ' r\, 1 STREAM \\ , \` --_ / I �' 1 - el_'II •\ - J I',r . \\ • \ 1"=100'
BYPASS PUMP PE"STREA 0/ ,I ,' ��I"15"HDPE SLOPE I \\\/ - _ 15"HDPE SLOPE /, . --IT -/ r _ ) '. \ I , GROUND STABILIZATION •v DIVERSION DITCH 31)v A _- iKK,'1 -- / ) . I I , r , - v V CROSSING CONS RUCTIO //-' y9. 9 DRAIN(TYP.) '\I� �I \325- I L \ ` _�• DRAIN(TYP.) / I \ H y \ - \ \ ISITE AREA STABILIZATION STABILIZATION TIME •
SEQUENCE DURIN G STAGE•./ / SKIMMER�!" ' vvIv' I I v v A vv ` - d( ,/ v\ / /' > / V<`I'� - ( \ �j DESCRIPTION TIME FRAME FRAME EXCEPTIONS
CONSTRUCTION TO BE Pm-FORME F 'v_j. 1 v�. ,I// { _ CHECK DAM(TYP.) ' / v / �/'�' p ;, 1 •, i ab
IN A PERIOD OF DRY EATHE". • / * (SEE TABLE)' / // -v I.1 v - ' v `v V `v ` V I �`•`� / /"✓/, , / 1 1/ `v /A \ v SWALES,DITCHES 7 DAYS NONE 0 1.L
// //� / \ - �1 \ ' _ -'� / ��\;\t / /, / \ ' I L� 1 lI\ AND SLOPES O
I, II ' l l /' .�/ti ,y l/' /// l l v ' �'' \ .`vva , / � �/% n)1 ,It,, 5
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'- I I \`I \ \ ) �/ / \ \ -_ _ ___- "- __� ,� / / EXISTING �'
\ �"r \-�=.. _ • • I r\I/� 'IT ZOANES TER(HOW) 7 DAYS ]DAYS FOR ALL HOW AREAS
/� , r// \ / - -`CONCRETE \ \ i/ - p - ) ) d
1 ' \ \ l,/ )* !( / ( I ( I °♦ / 'AA� - \ ^�-!'�'3?5�_! `- SILT FENCE _ !/ % \ I\ / WETLANDS I SLOPES STEEPER NONEOM
Lib ',I I \ \\1 "fr \I/ I ,/ / f / WASHOUT BASIN, --_--- / //' �" _/_\: o_,- \\ =OUTLE�(TYP.) �r/ I I/). �!/ \I/' - I \ \ \ THAN 3:1 ]DAYS W a'o
/ / I- A I 1 11, / ' ��- V / I \ v v _ • SILT FENCE v v v vEXISTING POND V 1 /, v L.v 1 I vI ( 7 onus
_ ' J/ \ SLOPES NONE LLI
/ , 1 r r r ' ',`k I V :DIVERSION
v�vv v. / (TYP.) v "-"' . ' COIF('
FIBER - (� v v v v FLATTER
5 (I J //I /- /✓ �... 0 - � \ `\TO BE DRAINED \'�� .\ 2 .V
31 / / \ \\ �\ / �� ' 'r\\ DIVERSION DITCH 1B- / /i 1 \ •u / BAFFLES(3) \ 1 \ ANY OTHER AREAS WITH NONE(EXCEPT FOR PERIMETERS a p
.... ,•-.. i�I SILT FENCE i� I __- _ //' / L• \ I AND INFILLED '_ �- `� \\ 7 DAYS
/ I/I ' \ \ ° /. //�' \ / \ `\``�- t 1 \I/ \I/,"\'1//' •\ / SLOPES FLATTER THAN 4:1 AND HQW ZONES o
•
OUTLET ' ///Y / / / /'// �\ \ )
/�I / 15 / I / m.P) �' / / / }�` \ \\ -` _ - - ,/ ^ \ ), . _` - \ - - - ) '"EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING 1
J 3 I i � SEDIMENT BASIN#3 1 ` __ _/i LIMITS OF ( B\� \ RIP-RAP" \ I/ ' ' \ �' `I'c`I' f ) \ I AUTHORITY BASED ON WEATHER OR OTHER SITE-SPECIFIC CONDITIONS
I /1 //' ��} .� \/ /i / • ' _ „ ,J/ SCM 1B FES \ .. _/ / 1 ' \I/� / Y Ti
_ „III // \ \ r(SEE TABLE) / \ -- - -'DISTURBANCE/r�(/ .� `L^ _DISSIPATION PAD \ I \ ( �5 B \ THAT MAKE COMPLIANCE IMPRACTICABLE."(SECTION II.B(2)(B)
\'III 30 / �I I ply - , /\ - - P. / 1 �/' I/ J' `1' • IS.. PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN
/1 DIVER rll / ' \ ___ _-(TM ) 15'L x 8'Wx18"e_ XI •. \ l `
JII Ir '///, ' ( \ _ ^`• THICKNESS 1 �,.a '-RISER 1B , SKIMMER 1 \ ` 15 WORKING DAYS OR NO MORE THAN 60 CALENDAR DAYS(WHICHEVER IS SHORTER). (\)in ,^ o
/ - .I 5N`� �/ , 'DIVERSION/ v v�/� // / �,.11 A _ - _-- v - / V
Iry e__-.e= v - SS ---- v v `I' - t0 Q
I �I/ DITCH 1A \ ��/ /\ \\ /- :_ \ / l OsB-B" \ I \(SEE SHEET •r (SEE TABLE) EROSION CONTROL LEGEND
/I 1 - ✓ 15'HDPE SLOPE/ q6 i �. /i- _ SILT FENCE- - FOR DETAILS J �w \I/ O
r �' < \DRAW(TYP.) ,' �' ) TYPICAL SILT FENCE AND TREE r-
-1 14 1 ,�I .5\7- -/;( / \I/1 I 1 , I� SILT FENCE _ _-._��. -. 9/ OUTLET(TYP.) .i /96'\�w� i -•�- LIMITS OF DISTURBANCE
AI /3p9 ' ( 1 bo / _ j' �� ouTLEr(TYP.) �.a EXISTING PROTECTION FENCE INSTALLATION X SILT FENCE U
'1 3 / 1 - -LINE TO BE DEMOLISHED L v
TEMPORARY STREAM I f - ace, �� •I/n /� , 6- \ ,• -- / -r. - ,---- - ��•, .v,� ; -,w� _", - I DETAIL 99F SUPER SILT FENCE Z
CROSSING DITCH- -/ /1''6 .NV.3o3. I v v / 1 dira __�,. _ .�� v�`.lr fib' ; �_� ,1 O
a • - ',30 30 1 \ \ /��„ / -- _ \ - SILT FENCE �` �+ /v - - -__-_ -'--_ > '"�I _ TREE PROTECTION
-O ( Jr I .,�, . \11• \ /� •\\ _ I /�=OUTLET(TYP.) _� /.11 - -� !`,__ %:. `\b/eb`'�`I' \;I/F \Y\ \I/ I ;T-?S,`,' LOD 1 SILT FENCE Z C/
•
\ I 1 i S '1 I\ L \ \ ' - /- -_ '� 1 1 \\I/ \/ \ e/ /' // --Q o- DIVERSION DITCH 1•�� a
T x��g veIt 1v1v' /� C� �� v _/ ' -/-/'-- / - 4( 11"I ' / ( Ib / / --44^ U
\\ I POROUS BAFFLES
-v I I 05 r�,ti•aE`au o- V V 7" 15"HDPE SLOPE _ / �/ / ' v v_ �v' < 2 Z
r �> 1 v v io,„.„.„. A\ -iT /' .� _EXISTING ice•. Rli '/ // ) p.oI/ jl l-' 1� ���/ `\\ JAI �� / DRAIN(TYP.) - /'�' / // // ,- - -_WETLANDS \� ,�,�`u.` / _/ // vfl 1 �.� HORSESHOE INLETw ~a' O• I''n \ //yy • r. / /' '/ - - / / t/ \ PROTECTIONQo TEMPORARY //// $ ,' .INv 3o la ly �� / /' __------ ' I / _ / 4 U z U", CONSTRUCTION \ 11 �\` � �� / // / / - ,STREAM _- _ i ._v _ -./ / J / (� ,�^1- 0 / ,r TP ® SILT FENCE OUTLET J
`, ENTRANCE 25'x100' ,- E , .. `!\ 11 • SEDIMENT BASIN#// _ ./..f- /i r ..i - BUFFER -/ - ----,_ -\U- - l (/ I / , '� 9? \ -,,/ RIPRAP CHECK DAM w z
v �� V I M 1! vV vI/ `11 '1� .. / _ (SEE TABLE) /- /' , ( / � - EXISTING • .1,1 ✓ Z 6"`8
�I\y ! _ ', l -STREAM / > SKIMMER (in D Wc
1 - S \p ` \ "- _ , '/ ' - _____4 V/, Al _ I / / �� �� ♦ TEMPORARY DITCH LINING J U G-v I / ( \ SILT FENCE / 'I / I 1 ( / / / -'/ `\.` / / I / 1 .®�.� ♦♦ ♦4
o
a / / L `��i7� FIBER OUTLET(TYP)/J/p/ / h , /, /'-. 1 / / / /'/ // - _ _ _ - .5 `V . ' / ///// O -
/ \ \ I II r r Y III\/ 1),,e` r BAFFLES(3) lY` //I ' / -`1 1 " I , - / / / •� \ .y \°-\7 �o J! o / , I/. / /' - X X X X % X % PERMANENT DITCH LINING a
TEMPORARY v ,.o`V/� (\I/ N) !!��/ '/ %� / '�/_ 1 ,n I / -/ _ - �� .v `'' / _ 6/'/,//lL'/,'/%I Q W L LLI o 0
rr, STAGING AREA _� 1 COP'
��� SKIMMER G ,�v 1 /; I CHANNEL AND DIVERSION SCHEDULE U (I) (n
o /' /dr \ I `I UD '•• '' `- 1�:.'�-Q.-- TABLE \VY !/ /, �//1 /'/( • --\, \\ ' Mry (Chapter 8.05 tithe NCDEQ E&SC Planning and Deslgn Manual) STREAM CROSSING SEQUENCE _ _ .°
IIIII Y 11I I 1 1 1 ( Ir Q 3�'
/ /ll lflB,I II , ,1 'I '+/� " / / / , I // s / 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN
i y i,'l ♦�' SILT FENCE /, \ / J . FLOW FLOW BOTTOM SWALE TEMPORARY
LINE SLOPES WIT STRAW ��I% J/ �' - _ / LENGTH DA C Ass Qss SLOPE NVALUE V SHEAR Wp R SIDE SLOPE LAND-DISTURBING PERMIT. Z �
v (pU F!/� OUTLET(TYP.)' r ( (� JLn °/ i '�'� NAME DEPTH AREA WIDTH DEPTH LINING 2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY
V BLANKET MATTING(N GS1SO) \//- 92 r /, ( •- ^ CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN O �,
7-\ IMMEDIATE Y UPON SCM 1A FES/' " '1/ I < ( / I/,I / /'/ ,.✓- (FT) (AC) (I WHR) (CFS) % (FT/S) (PSF) (FT) (FT52) (FT) (FT) (FT) (IN) (H:V) CUT ACTIVITIES. -
{//// 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER Z ..
\ CONSTRUCT!nN(TYP.) 1 ,r f ,,r RIP-RAP ,' //\- /I 1 I , 7 / I /J //y/ �- - DIVERSION DITCH IA 248.3 0.36 0.50 8.42 1.52 2.4% 0.055 1.71 0.82 0.55 0.91 3.48 0.26 0.00 24 3:1 STRAW W/TACK AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. O O
'CA,
\ \ ��t,,n{{{1••• /I . , , . 1 I ,j////"' .-DISSIPATION PAD/r I ) \ I {- / / / / //\., / /( ` DIVERSION DITCH IB 1380 12.76 0.50 8.42 53.72 2.2% 0.020 8.81 2.00 1.45 6.31 9.17 0.89 0.00 24 3,1 NAG C125 4 BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH
\ \ ,/ , 1 RISER IA ® \(/ '3D'LX9'WX36" / 1 / I ' l 1 / // t / // ' I / I \ TO MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA.
C'I ® / , / I , I/r/ / /�" DIVERSION DITCH 2A 830 7.51 D.50 8.42 31.62 1.6% 0.020 6.67 1.26 1.26 4.76 7.97 0.60 0.00 24 3:1 NAG C125 5. INSTALL PERMANENT PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. 11 P
\ - SEE SHEET C8.1 '1T \I/ , THICKNESS EXISTING \ / /
( / / // 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS.
I I 1 I 1 /' / DIVERSION DITCH 2R 445 290 O.SD 842 1221 26% 0021 602 130 062 202 5.79 039 000 24 3'1 NAG C725
<I \ \ I II FOR DETAILS) „I \V \I/ Ds9=14" \p, I WETLANDS < 1 / ,`, // J. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. O 'y
\\ \ 'I _' 'L� ' , ^, SILT FENCE .�% //�,/ 16 / /, ,1 I 1 /- I I JI/I \�// .- DIVERSION DITCH3 1209 9.68 0.50 8.42 40.75 1.9% 0.020 7.65 1.62 1.34 5.39 8.47 0.64 0.00 24 3:1 NAG C125 B. BEFORE DIVERTING ALL DISTURBED AREAS ANDUGH STORMCROSIONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION V E
�\ \ I / - r '•'j'/if' i',OUTLET(TYP.) �� • �0' `I/, `I/r"/ (I ^I "I , \ 1\\ / \ I, I)r a DIVERSION DITCH 4A 610 3.55 0.50 8.42 14.85 1.5% 0.021 5.15 0.90 0.98 2.88 6.20 0.46 0.00 24 3:1 NAG C725 9, UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY G.
X LLI =
�s / _J.I/\\r / S `I II 4 , DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.63 1.9% O.OB5 1.11 0.52 0.44 0.58 2.76 0.21 0.00 24 3:1 STRAW W/TACK BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED.
\ \ ,_'I
- f / / 10 '.. ! 1 \ \ { \\\ \` ) , II 1j \ - 10. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. TI
/ 1 ,` -1-VI / �'<`E `,y 1 ` / DIVERSION DITCH 5A 1680 6.22 0.50 6.42 26.19 2.7% 0.020 7.70 1.77 1.07 3.44 6.77 0.51 0.00 24 3,1 NAG C725(� rI /. / I ?I'-/ /,•-_-_ 1 , i l.- I ' i vv < vt,V ' / - - SCALE 1"=100' LLI `1 // , ,---„,_24,-_, -'J'/d'' / v is( / / v / / I r DIVERSION DffCH 5B 637 0.70 0.50 8.42 2.95 3.7% 0.055 2.38 1.51 0.85 1.27 4.11 0.31 0.00 24 3:1 STRAW W/TACK
r +/ i▪/EXISTNG --__,--• - r , / , • '
0 • / SEDIMENT TRAPS AND BARRIERS
X u) ,;,'
o• I 'I �� � ' I I // / ,50/ STREAM �' %- 1 /I 0 100' 200' Q o
"7,-;
O° 11' '' /'I` //r 'I I -' ,-Bo- ,"_-\"`__-\"._ -,----/- = ='`I'I / , I i r (Chapter 6-Vll of the NCDEQ EBSC Planning and Design Manual) ALL CONSTRUCTION TO BE IN ACCORDANCE d
1 /' / /1 ///< , l =/- - --','J .,_.`1 I I( DRAINAGE DISTURBED Q25 REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR 025 FLOW SKIMMER DEWATER WITH ALL HARNETT COUNTY AND NCDOT -
i- , N// /4/ /, / /' '/( I , </ / / / - 315 ✓ ✓) - ✓ = - / / BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREA REQ'AREA PROV'D ELEV ELEV LENGTH TOTAL DA DEPTH DEWATER SKIMMER ORIFICE TIME STANDARDS,SPECIFICATIONS,AND DETAILS.
o I✓ , r ' / I 1 I \ \ /c' / ._ _- '--- --- ID TYPE (AC) (AC) i(25) C (CFS) (CF) (CF) (FT) (FT) (FT) (SF) (SF) (FT) (FT) (FT) (CFS) (FT) DEVICE SIZE(IN) DIA(IN) (DAYS) JOB NO.
r / - // -___
L' / I
I ' I 1 I / -
✓" I / BASIN 1 SEDIMENT BASIN 13.99 13.75 8.46 0.50 58.16 24 750 69 100 270 110 3.0 25 301 29700 310.00 313.00 55 59.18 Q50 SKIMMER 4.0 2.25 3.67
:i.L ,, 1 ,' - UUf'ill QI''.4 / / / ' ' ( / ; / \ \\/,II / I`<� ‘,,,-\
- „0�0_ - '� l - BASIN2 SKIMMER BASIN 11.59 10.28 8.46 0.50 43.48 18,504 117,450 290 135 3.0 14,132 39150 328.00 331.00 50 49.03 0.47 SKIMMER 4.0 2 3.47 if,/
45458
E ',. I \ \ ` \. / I r J\ _ --7:-...--,"'- BASIN 3 SKIMMER BASIN 8.57 7.76 8.46 0.50 32.82 13,968 33,000 200 55 3.0 10,668 11000 318.00 321.00 10 36.25 1.14 SKIMMER 4.0 1.75 3.42 y P'-'-
>= I 1 \ , \ l ); 1 ( I l I L\> \\% tOral �- • SHEET NO
i 1��� ), ,. � \ // I 1 1 \ 1 \ ) I \ l ' 1 I 1 t ? 1 BASIN 4 SEDIMENT BASIN 6.27 3.75 8.46 0.50 15.86 6,750 200,140 280 140 5.0 6,900 40028 327.00 332.00 30 26.52 0.44 SKIMMER - 2.0 1.5 3.18 Marx , - C5.1 .
I I / I + I l / ♦ r I ) 1 \ 1 .I I I I J' , 1 . I ( r /N BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 • 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02
L

n, \ \ /\' 1 ' / - -,nl \ o, , \ I Ill CONSTRUCTION SEQUENCE z
315 \\ \ `I11\ II1 1\\\\ !/// II < i I I/ 1 / / / / - _ \ \\ `! -�� 1 \\ \ , \\ll 1,1j
\ 11,11114 \\ I111I\t I ! ' / 1 I/A� 1 \ I I / I /� \ \\\ DIVERSION DITCH 5A 'L \�`�\ CC 1\\�\\i \\\lllll//J// U
I\\�\\ IIII \ 1 1,\ I I \ P I'- _ \ 1 1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.KEEP A COPY OF THE APPROVED PLAN \\ // V
II' ( ,I\11\\\,\\ \ \\ \ J,,(1 1\\I'III( I I �( / ♦ / •/ / // / f/,� \\ I --_` s\`� \\\,\/f`{\ I
ON-SITE AND 2. NOTIFY NCDEQ SLAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT T APPROVAL PLACARD. \Q`�NE Sj0. H
\ l\ \ 1 I / �l 1 I / / ~ ` , \ \ \�-`, .. 31 \ 111 /
\ \� 1\ \\\ 1 1\ 11 (, 1 ( ` ( , ' / I , - \ \� - \ \ l \\�//1 PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER �'F O y i
ZO I \\\\\I\ \\\\ \\ ,_\�",\{ 'DIVERSION DITCH 5A ! 1 11 1 1 / i \ \)\` - \�' 1 �,�.� \ \ \I \\ t 11-- �2:•O �Y'•y2 z
SITE ACCESS CONSTRUCTION SEQUENCE 3 (\\\\\ I",111 I, 1l1\_i y 1 1\\ \\ \1 1 ++� / )! / II f I'1 / 1 �) �o� \\ 1\\\l I //11\II I- N.
3. WSTALCONSTRGRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONS 'Q SEAL 9�: o
\,1 1 I I11 ,- __ \\ \, \\ I!`/I 1 /, 1 / / / _ \�, '� \"-\ \ \ ! 11II, AND OTHER MEASURES AS SHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TO INSTALL AND 043120
1. SCLAND-DIE A STURBING
PERM(PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A l 11 I I I,I I,II 111 I I/4.......„ //�^_- ,I,,,, ,\ \\\\\I,\ , \\ , 1 ,7 l / I , / I/ J I _' / \ _..,_ 1 /I�\`,\ \` \., , ,, I,I\I I I \i,I�//1/I'1I • - 4 MAINTAIN THESE ANDICEMAINTAIN DEVICES ASNEEDED. ' ` OLL
LAND-DISTURBING PERMIT. \
2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY I, II � %/ 5' \\ \ 1 I 1 ! 1 1 1 / > - \' 1 \\ \I 1 1 BEGINCLEARINGGRUBBING. C S / •'•,lC(/GI �,`.'\`�
36 � \ \ , LIMITS OF ! II) I' \ 5. ROUGH GRADE SITE. Q\
V
CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN I ,(�l �,llllll��,/7J�! ~ \��\\ \ 1 4 \ l I '\ / 1// / _�`,DISTURBANCE.y \ \I I/` II (\\`•�'' 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT //7lv E,` \\ O
CUT ACTIVITIES. ` 1 /// ',/ --_,---_-_-'1,-__-.. \ ,\1 1 I I t I 1 I A , /',-, \\ 1 l l 1,\1 1 \• �� /// H.B \\
3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER /II/11111 11\ _ ,/ I / 1 \\` TYP. l \` III\ REPAIRS AS NEEDED. /JJ11111\\\ ~
MATCHLINE 5.3 /I 1 I 1 \///I T/// �- --__- w \I, /\1 \ 1 / , ( ) \ I' 1 \1 1 // ' _ 7. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION,PAVING, ) Z
AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. I� I �11 �310 --- r., I , , 1 / \ I I // ��� UI I\ I \
4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH • T r,��r�Ti_��asM�. -ikT 1 ,K• EE i T K•m..I./.I�*• .*Ef \K•1!w1 �YrT Ij iiA�Li .!'*r TEMPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED
TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. MATCHLINE 5.2 CI t I / /{ ///// J -^__ ,V`I 1\\1 I l ) 1 \ ,-, \ , \ \\II\ �^ _ _ BELOW. 0
5. INSTALL TEMPORARY PIPE CULVERTS AND BACKFILL PROPERLY. ( / I I\\1 Il �/ ____ \ 1 ( I Il ,l I I , I 1 I I / 1 / /� \ to \ \ \ 1II 1,I \, \ `.1 ro 8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED;CALL FOR INSPECTION BY NCDEQ 0
6. EXTEND SITE ENTRANCE FOR FULL ACCESS TO THE REST OF THE SITE. { ?C
I III ' '''' // I, SILT FENCE i 1 1 I \ \ .• \ t // I \`^j_,\\ \\ \\\, \I\ \1 \\y •c‘--::/ - Q 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR;REMOVE SEDIMENT BASINS/CONVERT THEM TO N
7. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. I 1 I\ / // C \\f \ \ I 1 ( \ 1 \ I - \ \ / - Z PERMANENT RCM'S,FINE GRADE AND STABILIZE AREAS. Eo (9
I 'I l 1, \ J l I/ / , l/ OUTLET - • \w,/I/ I / . \ 1 1'\ 1 l , 1 , \I 1 )\ 1f \\ / \_ ' \\\I`\,\\\1 \ \`\ \ -- -/ _ 10. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BY NCDEQ INSPECTOR TO Z
--- ap 1 /I/ IIl I' (TYP.) 'V vI v v• 1 1 v) v 1 1 - v , v vv ,; "
3.J _..• I / _ • I \ I \ / / �` w / -1 \ -' 1\ \ _ OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES. g
(/ -_ l 1 / I I l I 1• / r/ I I \ \ \ 1 / ,/\ \\ \\� `\\ \\ \ o`'.- 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED.
l,', / l I , l ; /\ I \ \I ( `,v,;� _ GENERAL NOTES "E o
, '-- // • /! / MAINTENANCE PLAN
_ • v I EXISTING v I l 1 I 1/ )/ I I I I /,/ I ( /�_ C %'I, \ v A ,v v ,"V i;_ -L - '' z,R E)
�'( I WETLANDS -,\ \ / 1�11 1 Y' l / / I l ( I 7 I� / 1-�'l_I / \ LA�,, 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL ' W
.\' ` -_ , \ \�\_ I l r / I / / I O I I - / - \ \ -•- - STATE AND LOCAL CODES IN OBSERVING EROSION 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE 4 ,T 3
\ �/ 11 I ZU / \ ll ( / I M / , /O 1 \ \ --t , _ _ CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY L0
' t \ - l/ 3 \ \ \,IW \ 1 1,l (Al I I , ,' I \\ -.� CONTROL MEASURES BOTH ON AND OFF-SITE. p W-R
// / / \ \\ 1 / I O 1 \ \ \ ` RUNOFF-PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE U Cam. O
/ _ ,\ i 1 1 \_ �.
I /,/ / ( ,\\,` \I/ 1.. - \�,C \)/ ( / 1 ' 1 I r I el I k"` \ 1 , 1 \ - 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL EVERY WEEK.ANV NEEDED REPAIRS SHALL BE MADE IMMEDIATELY LL-o Z
--/` \l f` �•\ // / I ///// \ ,TI/ \ \ l r I I 1 I 1 /�ll I \ \ \ 1\ ) `t ,- EROSION CONTROL DEVICES AFTER EACH RAINFALL TO MAINTAIN ALL MEASURES AS DESIGNED. p o- O
/ / J/ -,\\ \ \\\ , "(, I I ' 1 �� , 1 I I 1 ) \- EVENT OR AS DIRECTED BY LOCAL AUTHORITIES OR n 2"m I
'---1 \\\ / // I ///'// , , \ \`�, _,,, \\SILL
I \ I I11I I l I / ) / \ .. / \ \ THE ENGINEER. 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS WHEN ZE y Qi/ / / / \ \\ I STORAGE CAPACITY HAS BEEN APPROXIMATELY 50%FILLED./ / __ ,\ , 1i 1 CLEAN OR REPLACE GRAVEL FILTER WHEN THE SEDIMENT POOL NO x Un\ \ \ ` I \ I \ 1 T \ 1 3. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE %J w
• / //�, 9. \\ \� 1 l I 1 1 \ I - / 1 o LONGER DRAINS PROPERLY. a
\ / 3 -..- \,\ yi. ) f t \ 1 / I \ I / IF FOR OFFSITE DISPOSAL OF ALL CLEARING AND cLL 0 V
\I- \\ \/ / // / \ \,\1\ 1 I I \ \ I _ 'J I M \ \ \ , , , 1 GRADING WASTE MATERIALS GENERATED DURING HIS p c-+ VJ
330 , , - _ ,�C'� 1 t�I , t 1 1 A / 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN DEPTH {n Z
\ \\ 1\ _ _ // //_ - ��\_ \ , \ / • 1 I \ \1 1 / I PHASE OF WORK AND FOR OBTAINING ALL �,-W O Z
1 /\ 11` / I REACHES 6-INCHES AT THE FENCE.REPAIR SILT FENCE AS a
/ /- - - ,l \ -- -- \" \ I l\ , \ I I _ / / APPLICABLE PERMITS FOR OFF-SITE STOCKPILES N
\ \ , 1 1 1 , / I I NECESSARY TO MAINTAINABARRIER. I- '- In Q
35 \\\�I\ it / /__/ „ \ `� ,fir\I \\ , , 1 t \ ' t I{,� / / / I� / - I / AND/OR WASTE AREAS. ~m m
STAGE C 3 \ \ \\\ - /- /// ,� 30. , \ _ F`\`\ T\\\,2 '!,\ 1 I. 1 0 \ I I `J�• ' ( r 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR 4. ALL SEEDED AREAS SHALL BE FERTILIZED,RE-SEEDED AS W
27.34 AC ,\\\\\/I,I \ I/////• / 1 - M1 -3 _ ~\�\ _ \\ ` I I rl I M ` / / / / CLEANING ANY TRACKED SOIL FROM ALL ADJACENT NECESSARY,AND MULCHED ACCORDING TO PROJECT SPECS TO J H
J / \\ ,\ 1, m Y \ \' l I / / J11/ ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION MAINTAIN A VIGOROUS,DENSE VEGETATIVE GROWTH. ¢O
1;
\,,C\\\ \, / I/ / / f -_ _ SILT FENCE �\\O, 1/r :,\ ),,,,...\_:Il'irI
l','
I / , / ,/ ,� /1 TRAFFIC. N~ a
\\,\\ I• /• // // _-t _ 1 1 l 1 / / / !r 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT O
340 L',._ 1, / / / / _ _ OUTLET , L�C. \ \l \ \ - - /./Jr l DURATION OF CONSTRUCTION.
SITE A,\\\ \'" `, -^ \ / C / / ( 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO Z
PROPERTY BOUNDARY - / _• - RYP)- \ ,/ ) // - MINIMIZE LAND EXPOSURE.LIMIT EXPOSURE TO A) O
EXISTING BOUNDARY \\``_` _ i\ / \ I \ 1/ C APPROXIMATELY 20 ACRES AT A TIME 6. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES WEEKLY AND K E
O O WETLANDS \ \\\ \\ TO REMOVED 33S /` \`` \\\\\, \t•I \ I\, I \ \I _ J `\ ' / ! 1\ ` `\\ AFTER SIGNIFICANT(1/2 INCH OR GREATER)RAINFALL EVENTS TO O 0
��'��- \, \SILT FENCE] '/ _ _ � 1 .. %, I/`1 I v \ _ `---I `.BASIN REMOVAL SEQUENCE SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN 0 0
z z �� OUTLET // �'/ / '/ \ \ {/ •/• I o \ 1 _ •/\ \ PLACE,OR IF STONES HAVE BEEN DISLODGED.IMMEDIATELY MAKE = Q
-_ ti _ -,- _ LUU \ a \ `- - ALL NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. 0 0
T. (TYP.) 1/l '_ \ �,e / 1 • l/ 1. SCHEDULEASITE MEETING WITH THE O O
,\ , ( \ _ /\ wW \ o / -/ -I / y \ \ \ ,\ �� ENVIRONMENTAL ENGINEER/CONSULTANT TO NCDEQ SELF-INSPECTION PROGRAM J
-�^ , \\\\;\\ \ ��- � a, lL/ , \ • , DETERMINE IF A BASIN CAN BE REMOVED.INSTALL
`V " \ -' -_ i \`\"" SILT FENCING OR OTHER TEMPORARY EROSION 0 M
ii
ro • \�\,\ • I / '� \ \ _- ,` _ _ " • - _ I 1 ^I F.\ J CONTROL MEASURES AS NEEDED PRIOR TO THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO
SILT FENCE `� /•(1// �v -, z-_ >� ' _-r1 �. ,vvl w c
' 34S - NC GRID COORDINATES` "/l\/ /,/ /, i 1 �,- \ / REMOVAL OF THE BASIN. REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES F N
OUTLET a(watt) -/// ^/ o ( ' ( .,,,,---.7_"---- \^_o K< - C/ "/< \ r. I I INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE t Q
(TYP.)• SILT FENCE - - ',/ // le l / /• , 1 `1 - j / -l -'- t `I 2. REMOVE BASIN(S)AND ASSOCIATED TEMPORARY THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS Q 0
•F (TYP.) , E�z��ss.ss Fr - // / �A,, I / , / (SILT FENCE '�, / DIVERSION DITCHES.IF CULVERT PIPES NEED TO BEING FOLLOWED. z G
SILT FENCE \ ` i' \I ���/ �/1 / LC
.SILT FENCE I �/ I /OUTLET I� .H BE EXTENDED,PERFORM THIS OPERATION ATTHIS O
\ SILT FENCE / • • _f 'F _ TIME.FINE GRADE AREA IN PREPARATION FOR RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK DATE
-��. OUTLET \ _ 1 / \ OUTLET - Typ. -- _
_ / 1 _ �_( ) \ _ --_ SEEDING. EFFECT OCTOBER 1,2010. >
(TYP.) \ OUTLET-i 1 (o g9/�/ ,531 ,�(T1'P') ./ / ,__ --\ _ \ ce 09/14/2023
3g45- _-.-.� •• -- (TYP.) `"n M 3 q „� 5 3. PERFORM SEEDBED PREPARATION,SEED,MULCH THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY O
- •. 4.• • 33 AND ASPHALT TACK ANY RESULTING BARE AREAS SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR 10 DRAWN BY
334 IMMEDIATELY. CONSTRUCTION ACTIVITIES.THE FOCUS OF THE SELF-INSPECTION REPORT
3R5 !B 333 EXISTING IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION 331
.. ��` ,39ti 1 WETLANDS 4. INSTALL VELOCITY DISSIPATORS AND/OR LEVEL CONTROL MEASURES ACCORDING TO THE APPROVED PLAN.THE
35r5`Sp"'� . 325 SPREADERS AS REQUIRED ON THE EROSION INSPECTIONS SHOULD BE CONDUCTED AFTER EACH PHASE OF THE PROJECT,
'y5` y '"'""`'''��� CONTROL PLAN. AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED. • DESIGNED BY
LIMITS OF ,Ir ,I/ ,I/ •I/ Cl-
* Cl/ Az Az Az \l/ \l/ \l/,•\l/ 5. WHEN SITE IS FULLY STABILIZED,CALL THE SELF-INSPECTION REPORT FORM IS AVAILABLE AS AN EXCEL • 331
DISTURBANCE � ENVIRONMENTAL ENGINEER/CONSULTANT FOR SPREADSHEET FROM THE LAND QUALITY WEB SITE,
' APPROVAL OF REMOVING REMAINING TEMPORARY
(TYP.) \ N/ �/ �/ 320 HTTP://PORTAL.NCDENR.ORGANEB/LR/EROSION • CHECKED BY
/ . \/ \/ \/ \/ \/ \/ \/ \/ \/ \I/ \I/ I
EROSION CONTROL MEASURES AND ADVICE ON
I/ WHEN SITE CAN BE ISSUED A CERTIFICATE OF • •
• MVZ
\,r N/ N/ 4/ 4/ 4/ 4/ 4/ 4/ 4/ 4/ 4/ COMPLETION.
315 SCALE
SILT FENCE GROUND STABILIZATION
• 1„=100'
' •• ,I/ ,I/ ,I/ \/ \/ OUTLET 310 SITE AREA STABILIZATION STABILIZATION TIME
(\I �,� V/ J/ J/ (TYP) DESCRIPTION TIME FRAME FRAME EXCEPTIONS •
'~` __.44 WSJ 7� •� 4. `, 4/ 4/ / LINE SLOPES WITH STRAW .w O 305 PERIMETER DIKES,
• ��m'm '�- IV}HQ,/`( 345 S w w, \ • BLANKET MATTING(NAG S150) Co AND SLOPES SWALES, CHES 7 DAYS NONE
WS� / �O �` 'DIVERSION DITCH 4A \- 1 IMMEDIATELY UPON HIGH QUALITY
WATER CONSTRUCTION(TYP.) WATER(HOW) 7 DAYS 7 DAYS FOR ALL HOW AREAS
5 ZONES
// ` SILTO FENCE UTLET SOD `"' "' 33 Ir. I SEDIMENT BASIN#4 SLOPES STEEPER 7 DAYS NONE N
• \'�` SEE TABLE THAN 3:1OM I-J'15 (TYP.) Y'" 1 I ( ) SLOPES 3:1 OR 7 DAYS NONE LLI o 0
/ 15"HDPE SLOPE 1l1\ 11`,11 FLATTER w ,0
DRAIN(TYP.) 1 `. ANY OTHER AREAS WITH NONE(EXCEPT FOR PERIMETERS
1 "; SLOPES FLATTER THAN 4,1 7 DAYS AND HOW ZONES) '_^ °'N
/ , 00 Q/� �1 RISER 4A '"EXTENSION30F TIME MAY BE APPROVED BY THE PERMITTING v' o�
Ali W � FENCE
\AI:
AUTHORITY BASED ON WEATHER OR OTHER SITE-SPECIFIC CONDITIONS 1
k ) 9 0, M SILT FENCE ��\\`1,11 I THAT MAKE COMPLIANCE IMPRACTICABLE."(SECTION II.B(2)(B) N
. / OUTLET • • 7 PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN
/ (TYP.) 11111�I 15 WORKING DAYS OR NO MORE THAN 60 CALENDAR DAYS(WHICHEVER IS SHORTER).
LLI `o
EXISTING / SKIMMER
34! N
WETLANDS • (SEE TABLE) EROSION CONTROL LEGEND 0 1,,\ (� o
TYPICAL SILT FENCE AND TREEko
/ , DIVERSION DITCH 4B \\ \ -L.- LIMITS OF DISTURBANCE I- a
3 e�
COIR FIBER PROTECTION FENCE INSTALLATION X X SILT FENCE li I-
�� _ 4/ 4/ / I BAFFLES(3) - SUPER SILT FENCE U v,
s 11 vcE N DETAIL z J -
TREE PROTECTION
\�� -LOU SILT FENCE O Z O O
3 ,I/ ,I/ ` \ --� - DIVERSION DITCH z
i \ / ; 0 POROUS BAFFLES LL.I U
I \ 4/ W�/ , -' 1 ••� HORSESHOE INLET _
,I/' •?,3 ,I/ \ . . PROTECTION z 0
LLJ
I N/ 335335 ,V �' TP SILT FENCE OUTLET U Z I- _
RIPRAP CHECK DAM -Iy
uT
MW Z T8,I/ \/ \/ ,/ ' 1 1, Jy�yX)<eXJ��' SKIMMER Q Z -,
I V/ V/ V/ V/ ' 1 x7 W 7(J TEMPORARY DITCH LINING Z H 6 Luz E
h / x X x x x x x PERMANENT DITCH LINING J O a ti
r vI I w `
ZSTREAM CROSSING SEQUENCE Q
/ / \
CHANNEL AND DIVERSION SCHEDULE U (n a 0 E.,
• 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A =
or (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) LAND-DISTURBING PERMIT.
2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY = 0 3P
i / FLOW FLOW BOTTOM SWALE TEMPORARY -
.; ' r LENGTH DA C 1,, Q,R SLOPE N VALUE V SHEAR Wp R SIDE SLOPE CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY z
NAME DEPTH AREA WIDTH DEPTH LINING CUT ACTIVITIES. CC .23
ry ' r - - 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER O
% / (FT) (AC) (IWHR) (CFS) % (MS) (PSF) (FT) (FTA2) (FT) (FT) (FT) (IN) (HIV) AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. z Z .._
3 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH 0
DIVERSION DITCH 1A 248.3 0.36 0.50 8.42 1.52 2.4% 0.055 1.71 0.82 0.55 0.91 3.48 0.26 0.00 24 3:1 STRAW W/TACK TO MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA.
/ ' I - 5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY.
`V , DIVERSION DITCH IB 1380 12.76 0.50 8.42 53.72 2.2% 0.020 8.81 2.00 1.45 6.31 9.17 0.89 0.00 24 3:1 NAG C125 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. 11
C'I DIVERSION DITCH 2A 830 7.51 0.50 8.42 31.62 1.6% 0.020 6.67 1.26 1.26 4.76 7.97 0.60 0.00 24 3:1 NAG C125 T. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. v/ '-
/ DIVERSION DITCH 2R 445 2.90 O.SD 842 1221 2-6% 0021 602 130 062 202 5-19 039 000 24 Si' NAG C125 - 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION 0
a1 - BEFORE DIVERTING WATER THROUGH STORM CROSSING. ,.
DIVERSION DITCH 3 1209 9.68 0.50 8.42 40.75 1.9% 0.020 7.65 1.62 1.34 5.39 8.47 0.64 0.00 24 3:1 NAG C125 B. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY w/ _
y I BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. LL V E
DIVERSION DITCH 4A 610 3.55 0.50 8.42 14.95 1.5% 0.021 5.15 0.90 0.98 2.88 6.20 0.46 0.00 24 3:1 NAG C125 10. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK.
I,J,J
/� DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.63 1.9% 0.065 1.11 0.52 0.44 0.58 2.78 0.21 0.00 24 3:1 STRAW W/TACK 1-1
DIVERSION DITCH 5A 1660 6.22 0.50 8.42 26.19 2.7% 0.020 7.70 1.77 1.07 3.44 6.77 0.51 0.00 24 3:1 NAG C125 SCALE 1"=100' o
DIVERSION DITCH 56 637 0.70 0.50 8.42 2.95 3.7% 0.055 2.38 1.51 0.65 1.27 4.11 0.31 0.00 24 3:1 STRAW WI TACK w `m n'
Fri SEDIMENT TRAPS AND BARRIERS M• - I 0 100' 200' = 9=
$ / (Chapter 6-Vll o/fhe NCDEQ E&SC Planning and Design Manual) - ALL CONSTRUCTION TO BE IN ACCORDANCE CL o _
DRAINAGE DISTURBED Q25 REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR 025 FLOW SKIMMER DEWATER WITH ALL HARNETT COUNTY AND NCDOT -
BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREA REQ'AREA PROV'D ELEV ELEV LENGTH TOTAL DA DEPTH DEWATER SKIMMER ORIFICE TIME STANDARDS,SPECIFICATIONS,AND DETAILS.
E HQW ZONE CONSTRUCTION STAGING ID TYPE (AC) (AC) i(25) C (CFS) (CF) (CF) (FT) (FT) (FT) (SF) (SF) (FT) (F7) (FT) (CFS) (FT) DEVICE SIZE(IN) DIA(IN) (DAYS) JOB NO.
THIS PROJECT IS LOCATED IN AN HOW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT BASIN1 SEDIMENT BASIN 13.99 13.75 8.46 0.50 58.16 24,750 69,100 270 110 3.0 25,301 29700 310.00 313.00 55 59.18 0.50 SKIMMER 4.0 2.25 3.67 ��' W� 45458
ANYTIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A,EACH BASIN SKIMMER BASIN 11.59 10.28 8.46 0.50 43.48 18,504 117,450 290 135 3.0 14,132 39150 328.00 331.00 50 49.03 0.47 SKIMMER 4.0 2 3.47 Y 8'■
CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. BASIN 3 SKIMMER BASIN 8.57 776 8.46 0.50 32.82 13,968 33,000 200 55 3.0 10,668 11000 318.00 321.00 10 36.25 1.14 SKIMMER 4.0 1.75 3.42 ,J !'_■- I"f IS SHEET NO.
E •
BASIN 4 SEDIMENT BASIN 6.27 3.75 8.46 0.50 15.86 6,750 200,140 280 140 5.0 6,900 40028 327.00 332.00 30 26.52 0.44 SKIMMER _ 2.0 1.5 3.18
i _• BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02 Nw-` C5.2
L

CONSTRUCTION SEQUENCE o
1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.KEEP A COPY OF THE APPROVED PLAN \\\IIIII///// V
I- '�/! III/ Il/'I'l- ///ii'-4 / , / -- \ -L 1 \\ \'\\ LP./\-11111111/I11L\'\\1\\ \\\\ \\\\ sX Cf �-_�__� r-( L PLACARD. \\\ CAI ///
I I 111 ;(IIII/111/ l\ ,/ // l 1 - l� _ \\` \\ \ \1\1\ III//I IIII 11 ,\\\\\\\\`��\`\\\\\\\•\:����` --- _ ,�----- ---- 2. NOTIFY NCDEQ ON-SITE AND SLAND QUAT LITY ECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q`�N•B$•O�/%i
///IJI/I/I // /11, ///III\I�. /i/,�'/,' / )/ /'� f _-- \\\ '\\I \-, II III\\\\\1\\` `I 1 \\X /5/\\\\\�\\\���z.. �;_� �^�-_�,--,,1\ ,\\\\\dam PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER �40 /O•K9%. S z
'f , / /jl/II(/I ' ',%�l%�/2 /'" \` \\ \\ 1 \ `/f5\ \\II `\ \\ l\ ` \\,,\�:: - -,1 \ . �2:
/ e 1 4' ' I - r fV~ \ I I 1 Il '\ \ I \\ _ _ _ -� \, CONSTRUCTION.GRAON. 9•9 z
SITE ACCESS CONSTRUCTION SEQUENCE // / /IIII,/I/11 (/rii '// ` \\ \\1, IIII 1\ I\ I \l\'\ l l\ I \\\\\ L\�\\%\% \�` ___-_, \ N'/Y`U 3. INSDOTH GRAVEL SRESASSHONNONDRAWI TEMPORARY LYASNECE,SARYTOIFIAALL DIVERSIONS Z "Q 0431203 �. 8
1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A // /'/ / /('/ \��//�/�''' / //I�/'// _-- ^\\ 1\ r1 1\\II \ \ [\ \�\ \\\\ \\\ \\ \\\ ��_���� _� �� \\�\� AND OTHER MEASURESASSHOWNONDRAWINGS.CLEARONLYASNECESSARYTONSTALLAND
/ '///%f/ II /////,///-f^// / __L^__�- ,1\t\\,\Ij 1\\\\\\\\1 \1\\\ \\ `\1 \I\\\�l\\\\\\ \ \�__ \ ���\ _�- _�,� \ �`�\\\\ \\\_ MAINTAIN THESE DEVICES. 2
2. PRIOR TO STARTSF PERMIT.
K,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY ,// ///l/�Iti-_"/�'�'_'4 /•� - e \\\I I\,1 \ \\t\ \ \\ 1\ \`\\ \ \\\ \ \ \ \\.. __ ��\'..- �� �"\�`\�� \ �\�I`\�\ 4. BEGIN CLEARING AND GRUBBING.MAINTAIN DEVICES AS NEEDED. •••l� .•
CROSSINGS WITH CASINGS,THECARRIERPIPESHALLBE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN I / I .. -// '''^ '• J' _ � \ \1I I 1 \\\\ `\\\ \ \\ \\\\\\\; \\� �� ^�� �__�\� \ \�\1 5. ROUGH GRADE SITE. GINS••'\��� 01
CUT ACTIVITIES. 6l /r'' 2 1I 1\I i 1,I ,\ 1\ \\\�\�' 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT �// W.gE \
3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER / f,/(� \ `--''��J����JI // /��// -. j\ 11111\\''II I "`'\(1\\ ` I1`�\�'`1\\N-\\\ \�\\��`�--\ 1\\\ \\1 , -, \�\\\\ REPAIRS AS NEEDED. //M111117\\\\ ~
AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. %/ !-\/ -/1 1' 111 \ \\ \�\ \ \-SITE "'I \ I_\ `� \\\\; 7. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION, I O
//..'_ _ - \\ 1 '\/ III1111 II /' 1 \\\ 11 \\ \\\ \ \� "�\`�_ \\�,\ p Z
4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH C ----/j/ _- \ I I ,1 ',,/,I',1\11 \ I II/)/ I\\ _, 1/ III(11 I \ , 1 ,1\\\\\\ -\ _ ` \‘'
BOUNDARY\\'I 1\/\ \\,\\\\\\\\III\\\I BBELOPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED
TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. - - ' / l / 1 O
5. INSTALL TEMPORARY PIPE CULVERTS AND BACKFILL PROPERLY. __-� -_ _ -'C.,_.-2-
, _ '1 , > 11 1 RI 11 f/I I( / / ( ,/ / II ,\ 1 \ I \ ,f) • \ \ \ -\ / / i ( I 1 IIp
_ 1 / // / I ( \ / / \1 1 I 1 /// l // 1 1 I IIII, 8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED CALL FOR INSPECTION BY NCDEQ.
76.. EXTEND SITE CONTRACTOR SHALNRESTORE CHANNEL AND TO THSTABILIZE ANY HDISTURBANCE WITHIN 24-HOURS OF START OF WORK. .' /'.,- - - _-// /--'/I 'C V.>I \% C. > // 1I/II(IIIII I 1111 II I1111 /��/,/J/\I/ r I`I1 \ I/,-// r _" I / /,/lf//, // a'11 I,II(/I/' 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR;REMOVE SEDIMENT BASINS/CONVERT THEM TO 10
1 '' I I 1 I I! 11 , / 1/ // - _-- '; /-2--__ / /^ I///l Ill Z PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS. EE L9
`-`--;-.--_,/_ / .,-----",:--',--„/'-' \-) y /I I/ IIIII// I / I I 1/,,,,,-,/,', /i/ , •,-,/////'/
i, --_- - -i j_j_ /1L' // /% //l//1//,/, 10. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FORA FINAL INSPECTION BY NCDEQ INSPECTOR TO Z
'/ --;1-1__-- r _ f•/�' /////1 //I if I I I I(III/11 /// _ '�i/, F / //////,- /�!i 'j - ,....7-2-_,_-7._./��/ // /y; OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES.
_ _ / / ;, \\ > 1/%-�//%//A/' //t///J/%I l////I// //- -- '/./,/�/ ':- .- /i% /% Tj_-__E___ _%/////X, 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED. E Q
/ _ -.�j / �/; / ///////'/ /////, / /'/ .-.,!'- ,//,:'�- =� /;- ,___ _ -_'' '/ 11 GENERAL NOTES MAINTENANCE PLAN zE p
I / ( , \ I '\ _-------- - ul ,% _,/,---,
/'/'///- / //'1, / 1 // //// -/ // _ -i ` �_ - _i/T S p
/� Y /, /// / IIII l / // /,/ //%- y - 1 = r / a n
\ I I LL _ _-- - _ - r r ` P / / / l 11/ l j--_,-,,-2 ///i// '_ ' _ - ___- '- / ',,1 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL t w
_ 1- \ I z / ,/ /"'./'-/ I ,I// _ ' /// r/ _ ' f/-r STATE AND LOCAL CODES IN OBSERVING EROSION 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL BE Q v
0.4`5'OFF -` 1 _-- ----` - -I \A I „ % ///�,r/2 //'///////I I//1 i z'/ i" /z / /<- i/ �/ CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY aCD
_ _ {I�' CONTROL MEASURES BOTH ON AND OFF-SITE. p W- 0
/ / `" /I /J \,// / f // // ,/- //// / /- // _ RUNOFF-PRODUCING RAINFALL BUT IN NO CASE LESS THAN ONCE V C H O
> 2_- _ L .., .-- \ //,/ \ /-IIII%//'/// / ' _ _ :% - i
// ,� a
THE PROPERTY LINE- - ,,I / 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL EVERY WEEK.ANY NEEDED REPAIRS SHALL BE MADE IMMEDIATELY 4 LL-� Z
^/' _ / _ _ _.,_� y./-' \ , / , 1- , ///IJ//II -III , �/ //� // IIII -/is �'iii/�%��i/ "/� `�,-. / ,i/! TO MAINTAIN ALL MEASURES AS DESIGNED. a O
f Ij
_ :'/ EROSION CONTROL DEVICES AFTER EACH RAINFALL O o m
`^�_ Y ^_, I \�' - ue 1 ✓ l /�'� , / 4 \ / / ,'`.'I / // // ,>'/1\�1-(%/ /� // c%!// i/ ' \ THE ENGINEER.DIRECTED BY LOCAL AUTHORITIES OR n2"
/I/`' -1 ^ ;\ 7" « 1 I.„A_\J / / / /! ,/�;',/,
1// / I /IIII �j/�i' _'�'1, %/ ' r ��\� 'r/ 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS WHEN Lq 4> d
l/ \'L/ \ /l l / (/ !I I ! i ''i,,%/ _ � , / THE ENGINEER. Z w!-'H'
\ \ / 1 I/ / 1 //%,i - !'-� \, \1 r` ; � STORAGE CAPACITY HAS BEEN APPROXIMATELY 50%FILLED. _
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•f `�/^-/�,// / �/ !/�� / / /(I, I(Ir, / (SEE TABLE) ��/��,/ T.J/ ,s1 \" •\ _ ^ 1i I I , REMOVAL OF THE BASIN. REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES y F '-7,!-
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t -_- - _ / /,// / 11/l II 2. REMOVE BASINS AND ASSOCIATED TEMPORARY
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f f /__ _ ^ / / / - _- - ,� 300 -I / // ( / BEING FOLLOWED. Z
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/ -_ I I!lII \ - - -\I //IIII If P/ TIME.FINE GRADE AREA IN PREPARATION FOR RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK DATE
iJ '- _ - `-_ - -- _ / / - '/11 __ _ -- / /,i �;/ - - .IIII II \ (I.r -% /,I\=r _ i // l' _ // (,,* ///� -__ - I I 1 \ - ,I/l/�e ti%i/2.. l//' SEEDING.
/\ _ _ _ _ _ _ _ O� //- l-� /� '�\_ /'/ice,/j, I ,// ,/ - _-'-- / EFFECT OCTOBER 1.2010 >
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3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER 0
% (FT) (AC) (IWHR) (CFS) % (FT/S) (PSF) (FT) (FTU2) (FT) (FT) (FT) (IN) (H:V) AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. O Z -
3 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH Z ..
DIVERSION DITCH IA 248.3 0.36 0.50 8.42 1.52 2.4% 0.055 1.71 0.82 0.55 0.91 3.48 0.26 0.00 24 3:1 STRAW W/TACK TO MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. 0
// 5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY.
DIVERSION DITCH IB 1380 12.76 0.50 8.42 53.72 2.2% 0.020 8.61 2.00 1.45 6.31 9.17 0.69 0.00 24 3:1 NAG C125 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. I1
UI DIVERSION DITCH 2A 830 7.51 0.50 8.42 31.62 1.6% 0.020 6.67 1.26 1.26 4.76 7.97 0.60 0.00 24 31 NAG C125 I. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. � '-
DIVERSION DITCH 2R 445 2.90 0.50 842 1221 2-6% 0021 602 130 082 202 5-19 039 000 24 3:1 NAG C125 - 8. BEFOILIZE VELTING WATERRBED THROUGH STORM CSSING ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION 0- BEFORE DIVERTING WATER THROUGH STORM CROSSING.al DIVERSION.DITCH3 1209 9.68 0.50 8.42 40.75 1.9% 0.020 7.65 1.62 1.34 5.39 8.47 0.64 0.00 24 3:1 NAG C125 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY w/ m
BE CONTRACTOR
REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED.
LL -E
DIVERSION DITCH 4A 610 3.55 0.50 8.42 14.85 1.5% 0.021 5.15 0.90 0.98 2.88 6.20 0.46 0.00 24 3:1 NAG C125 10. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. W =
DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.63 1.9% 0.065 1.11 0.52 0.44 0.58 2.78 0.21 0.00 24 3:1 STRAW W/TACK 1-1
N DIVERSION DITCH 5A 1680 6.22 0.50 8.42 26.19 2.7% 0,020 7.70 1.77 1.07 3.44 6.77 0.51 0.00 24 3:1 NAG C125 SCALE 1"=100'
Ii, DIVERSION DITCH 5B 637 0.70 0.50 8.42 2.95 3.7% 0.055 2.38 1.51 0.85 1.27 4.11 0.31 0.00 24 3:1 STRAW WI TACK `m n'
1� W SEDIMENT TRAPS AND BARRIERS r •
0 100' zoo' W Q 9
8
(Chapter 6-Vll of the NCDEQ E&SC Planning and Design Manual) - ALL CONSTRUCTION TO BE IN ACCORDANCE d _
T/ _
DRAINAGE DISTURBED Q25 REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR Q25 FLOW SKIMMER DEWATER WITH ALL HARNETT COUNTY AND -
BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREA REQ'AREA PROV'D ELEV ELEV LENGTH TOTAL DA DEPTH DEWATER SKIMMER ORIFICE TIME STANDARDS,SPECIFICATIONS,AND DETAILS.
E HQW ZONE CONSTRUCTION STAGING ID TYPE (AC) (AC) 1(25) C (CFS) (CF) (CF) (FT) (FT) (FT) (SF) (SF) (FT) (FT) (FT) (CFS) (FT) DEVICE SIZE(IN) DIA(IN) (DAYS) JOB NO.
BASIN 1 SEDIMENT BASIN 13.99 13.75 8.46 0.50 58.16 24,750 69,100 270 110 3.0 25,301 29700 310.00 313.00 55 59.18 0.50 SKIMMER 4.0 2.25 3.67
THIS PROJECT IS LOCATED IN AN HOW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT 45458
x,LANYTIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A,EACH BASIN 2 SKIMMER BASIN 11.59 10.28 8.46 0.50 43.48 18,504 117,450 290 135 3.0 14,132 39150 328.00 331.00 50 49.03 0.47 SKIMMER 4.0 2 3.47 _ W �'■
E CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. BASIN 3 SKIMMER BASIN 8.57 7.76 8.46 0.50 32.82 13,968 33,000 200 55 3.0 10,668 11000 318.00 321.00 10 36.25 1.14 SKIMMER 4.0 1.75 3.42 _Air
, �' VV,f IS SHEET NO.
BASIN 4 SEDIMENT BASIN 6.27 3.75 8.46 0.50 • 15.86 6,750 200,140 280 140 5.0 6,900 40028 327.00 332.00 30 26.52 0.44 SKIMMER _ 2.0 1.5 3.18 •'"- 1111Ylw r C5.3
/ BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02
L

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'�Is,.. ,,„,J\__'//./iii% %-�:�1-� i� � - 1,\\'\\\VI -!ll/ ///1 li/,5r//11,11l,lll/11'll ll///'//'// // ' "// / / 7 \\\ \ '\ \, NIIII�'-p ll'^Illlillll111'.11l!ll„,,,,/ /,�'//ii%,,,- o
�:-\���'�-/5%/i %'/ " =%=`;\\III 1111ti i/�-'', ',///,/,,„,,/i,,//ll,lllu///0/,,///",' 7I,,//,l,ll / / / / \ bill \ plilll,l,l.11ll6r/./,/,i. CONSTRUCTION SEQUENCE o
: '�\`'-"--,---'1,''' '''--
'/2. ;"--_ !;��\\I 1111 I I I\- /'/l//11/1/11///II (////1/ll II„ /'i//' '///,/I I I I I ' / HQW_ ZONE CONSTRUCTION STAGING '/'/,/' 1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.KEEPACOPV OF THE APPROVED PLAN \\\\\\IIII//t//// U
\`\ 'i%/i,' // % IIII 1 _ /"// / / I III /, /'' !/ 1 I I I I! % ON-SITE AND POST APPROVAL PLACARD. \ CAR /
` \\ \`i�i ,% J„ /' \I 11II II\\ \\ �- /'/// 1,//////1//,"/,'(/// I/Ill I///(l\\( I//// //� / / // 2. NOTIFY NCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q`�N'SS/O�/%
\ ' / / THIS PROJECT IS LOCATED IN AN HQW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT /
\ '/��%�''!_��--; '//,/^^ �\ IIII 11 I\ --_ /'� // I/////�//////////// II III11111\I I'I /'/ 1/ I l ' / / -ANY TIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A,EACH 1 \ I ' PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER O:OFF OH-y 1 VI
''�' - '-,,,,;;;_,,:_-_-_--,,,,,,,,,,,,,I,,,,,l �29p�/J// "I'/////////'//////ll//'//II1,1 III IIII 1 ' ' / I I ' 1 I/ I CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. \ II I CONSTRUCTION. 2: y 9 i z
SITE ACCESS CONSTRUCTION SEQUENCE ' % I III 1\ _;_ �''///l/'/////////l//lI ///I ' I I\\\ 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONS = •a. SEAL -. _ o
'/'__ =�, /'/ =-` 1j11111 \1l\�' ' / l lI 1'� / //lI'I //I/ /I 11 , f/ 1 I / l q,r,.lae U\ \ \ \ AND _ _-
1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAINS / ,i_---„Z ,i//�' -_\\\\111111 � �2g /'IIII,'/IIIIIII"/// / „III,l'/' /'IIIIII / , , I ' I ' / ' I l 111,ill,'1 i�l*q W% 0� \�� MAINTAINETHESE DEVICES.SHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TO INSTALL AND 043120 .. ce
LAND-DISTURBING PERMIT. /::- `\-�'//i j:�_ \\\\\\\\\\\\\ ---:1-
s /I,l///////IIII�'l 11 l III '' I l l I 1 1 I'// ',//'/ / / /' / 1 I I I 1 '\
I IIII 1111n11�11,111'\�� \\�S' �'�`�\\ 4. BEGIN CLEARING AND GRUBBING.MAINTAIN DEVICES AS NEEDED. l�I' �F9. a
2. PRIORI°START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY ��-, _-_,/,ii \\\\\,,\\\\,- ---, \` /l/, I11! /l IIIII ///1),/ ///I////// // / /
I 1 \ 11 \1\\III III II'('% \\11�1\/ jI17i \`�\ 5. ROUGH GRADE SITE. ••'•,'GINET• \\�`
CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN =_-„,�� -'/%///"i ^"„\\\\,,,V�_• -7_�7\ _`///I///II II//////l/////l/„ /////i,/ //// //,// / / /' / / 1 1 1 I \ // \` \1111111111111111�/////,%j/„'%//j� '/i=�/ IIII \� 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT ''// \\\` N
CUT ACTIVITIES. /:- �_" ``�Z�' ''/ ///� `\\ \\ `-- -\ / //llll/1111/I/I////i,////// //////,' 1 l / / I 1 \ \ \ \\ 11111111 /IIII / ���" // EEC\ I-
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'` \
/ \
\\ \ '/ / / \ \ 11 11 I ,i/ / REPAIRS AS NEEDED. /
3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER //-=- \�\ �'�////„__����\\\�`�\= �\\\ - ,/„// //',///,//,,/'�/ ,/// //// / I / , I I \\ \ \ \\\\11111111I IIIII III"Illy lrl/ %/�� /' //tl l)I I7\\\ ~
AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. - //�//-� ` - -, .\' 'O // l/ /// / ,X///// // / '/I/ / I \ 11111111111 // ,/I,I 11/,1,lll,l l„� /,i 7. STABILIZE SITE AS AREAS ARE BROUGHT TO FINISHED GRADE WITH VEGETATION, 0
4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH /= ����__���/'/��.,�\\\�������-� \ `�tCO�'/'i,�/'/�'�'j///'�////'j /////'//,''/ / / / / / / / IBELOW. 0
\ / ,\, 1 \ 111111111IIll'Illli'IIPH,II i'l11/ll'''11111111\\I III' / '/ TEMPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED Z
TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. ///,-\�-- --',/.'/;\\\�\‘\\N �\\\\\\__,^,/V//,�// /////'///////�/ ///1/// / / / /' / / / / A I I ' 1 II IIII1�11111111111�IIIII 11111111'll',I 111 IIII\\I\I\\I I I' ro WHENCONSTRUCTIONMPLETE AND ALL AREASARE STABILIZED; ALLF RINSPECTIONBVN DE O
5. INSTALL TEMPORARY PIPE CULVERTS AND BACKFILL PROPERLY. \ , \���_- \\� \\\ \ _- /O//// ,// / / / / / / / / / I \ 1 1111111111111 \\ \111\\�\\\\\\\\\ \'11'' ''''',
I 1 8 ISCO C OC Q
6. EXTEND SITE ENTRANCE FOR FULL ACCESS TO THE REST OF THE SITE. "11 , --_-_>�'/_'/ `��, `��\\\\\\\ \\�` -'�'',9,4/////////////////'/ / / / // / / / I / J 1 1 \ 111111111j111111111\\\111 j11 i/��'i/�//1\\\�\I IIII 1 1 O 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR;REMOVE SEDIMENT BASINS/CONVERT THEM TO N
7. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. /,/IIIII -_ -'^/' ,4 i\,,,\,\\ \,\�`\\`- '/',!,,,COO// "/'i /// // / / / / / ' / / / \ I ' I/I II I�II'll�,lll I✓ ,////, III 11 ¢ PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS.
�___/� _ _ _��i%/"/ ,(D// / l I IIII I \ 1 / %I \ Z E" l9
JI/I/I,1,I -_- _ -j\A,,v,� \�\\\\\\��____,/ % ,,;'' r1,h/p,,,/",,,,/// /,// I I 1 I l l / / >/ I 1 I(111111111111,1�//„/�/ {'lI•,1%�,//%�,/,//I1111\!,',\ \\ 10. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BY NCDEQ INSPECTOR TO Z
Q C 1 _ __- _ _-.\\ ���-�-- %'/ '/////' \\\\\\\ \ \\\\‘ 'i ,,,3,5, •,/// / / I 1 , I I l / / ! 1 111111j1'1\�I,I I,II�I/pll �l jl('1/11/IIII 1 I I 1 OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES.
J \ ` ` ^1\\�`\"�`� ,i/// 1-.
' _ / \\\ \\ \\�\ \ - /""' / Gy////// / '/ / / ' I I 1 / 1 I 1 0,,j,1,1,11III ,IIII IIII 11 1 I 1 I \\,\ 1 \\ 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED. Q
��: � \\.,� // \I\ =; i i/ -'T /";-'9.‘ '
\ \ \ ,,-'_- _ / - / / I 1 ,1 9111\1\\ 11 1\1\\ 1 \ \\ �E a'
y , ''�" ;\�\ G' L/ p / / / / \ \\ IIIIli1i11111 \ GENERAL NOTES E o/ / _-\-1 --=i ���.� - i �%/ 'G I 1 \ \IIIIII
f �, - ems,- ,% _ ,,, j " ;s L/' ' / // `� q,IIIIuIn1\11\ \\\ MAINTENANCE PLAN ��
n /- ` \ _, �1 \`� /,i %,ice%ii �' / / / 1 I \ \ I IIIIII�11d\\\\\111 Il \\ `1 \\\ ` 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL t 3
-_ �� _ /` t` \\ i'i%/i,i - - �\\\\����-__ //' / / /23 / I1 / , , I I \ I ,\\`�\ 1\,\\\\\\ STATE AND LOCAL CODES IN OBSERVING EROSION 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL RE F
-_� y ''�_`_ ' J - 7 �_ _ --i„-- ///,' / 1 \ \111\I�\\\�\tl\�\\\\\`,, \ \ \ CONTROL MEASURES BOTH ON AND OFF-SITE. a 3 l7
- ��. 1 �l ( ^ \ //�'� T ___ �\ /' // / / I I I I I� \\ I\\\\\�\\\�\\\�,.�\ CHECKED FOR STABILITY AND OPERATION FOLLOWING EVERY W.1
v
\ _,,\-"_-ti,��\\\�\`4" >�! .,%r '' I - • �\_ _7 S i,////'/'//'''/ / ' / ' I I I ( I I ` 1\I\\\\\\\�\\\��\\�\\\�4''1 \ \ \ \ EVERY WEEK.ANY NEEDRUNOFF-PRODUCING ED REPAIRS SHALL BENFALL BUT IN NO E MADE IMMEDIATELY PO LESS THAN ONCE 0
/,....-;-... _\ _ \`\Z'/' ' \�- / l l i 1// T - \-�/- \ \` \ �' _ , /%//,/ / 1 �\1\ II\\\\\�V\\��\\\�: \ \ 2. -EI=D IG CONTRACTORSHALLMAIN1=11FLLi LL ro Z d
\ I // I __^^ "' -- / / / , 1 I , 1 I 1 1\ \\ \ \\\' \ \ EROSION CONTROL DEVICES AFTER EACH RAINFALL TO MAINTAIN ALL MEASURES AS DESIGNED. o rm O
• \ \ / \_ % \ I ` // / I / \ \\\ 1 11 \ \ EVENT OR AS DIRECTED BY LOCAL AUTHORITIES OR n=^' f
\ ` _ ` r L /� �\\ / - ,',/' 'J / / \\\�\11 1 1, \ \ N 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS WHEN d
``\• \`�\___`-__ \� \`\ :\\11�;- '/"- - ' \.( \- \3�\\\ % , o/ \ 1 / 1 \,_.
\\\1\1111111111�11111\\\,' \ \ N. THE ENGINEER. STORAGE CAPACITY HAS BEEN APPROXIMATELY50%FILLED. iuYo
`\ • \\1\ - \ - __\ /\ \ \\\\____ ^' _ / �23 I / 1\I\)IIII,\\I\`\;\\ 3. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE CLEAN OR REPLACE GRAVEL FILTER WHEN THE SEDIMENT POOL NO % x O i0
- ',..;.,.`4`� \ 1 --''/--- /-�r�- \ - - - ,- I / l \\\IIIIII \\(,�, N a !n
\�--`-_ '- _ \\I \ - \ ,`- - _ ''�'_ i- � _ I I \11 1 l \ \\ LONGER DRAINS PROPERLY. p• 'Li v3
ti _ \\--1\ ` \\�� `--V' ^\ -;\ \ \�\\ \ / / J J - - • / ) ,\\III 111\\\\\\\\\ FOROFFSITEs,71 SgL OF ALL CLEARING AND a
\ - i \ \\ `\-\ /' /'�' \ \ ��-- _ 11 IIII\,�\\\\.'\ \ \ - GRADING WASTE MATERIALS GENERATED DURING HIS C1
�� .. \� \\1 \`\i\-\ \\\\` ,'� N \ /'/' %'^� .. \` \ / '/// ( J r I \1111\\I\\\ \ \ - 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN DEPTH �'� Z BS
8\' I \ \\ -,�\�-1 I\ /,/, /.� ^ \ / / r , / \\ \\\�'. \ PHASE OF WORK AND FOR OBTAINING ALL .". i.I^ O Z
\\ \ \ c _ 1\ I/ \\ \I l \ IIIII \\\\\ \ REACHES 6-INCHES AT THE FENCE.REPAIR SILT FENCE AS a
\ \ -.\ \`~ !SITE \ I \\ 1\\ \ II�`\\\ \s` \ '�" \ \ ^-� �- 1 I /\ _-,\,\ \\\\\\\\\�\�''\\ \ APPLICABLE PERMITS FOR OFF-SITE STOCKPILES F - N N
` \\ \\\\ \11 \\ _'� I_ \ I \ \\\\\``\\ AND/OR WASTE AREAS. NECESSARY TO MAINTAIN A BARRIER. Q
BOUNDARY\\ , \ 1 \\ \\II I\ 1N�"3,,,,,_,,,' ' ems`\\\\\ B SI ._' / I / __ 11 \ \ \\\ \ \ \ ~m °DJ ` ` 1 / / I,/11111 11/I ,?s7s,,,,,,\.�.�,. I 1 . / l 1 1\\\\\\� \ \ wI1 /! rI - / / I/ 1 ,I II' 1, 4J S \ / 1 r '/// \\1\\\ \ 4. THECONTRACTORSHALL BRESPONSIBLEFOR 4. ALL SEEDED AREAS SHALL BE FERTILIZED,RE-SEEDED AS o' 0/ ,, I , I,I/I/I/, _ fir/ 5 50 rLF1/j255 ^\ 1 / / / // II \1 \ \ NECESSARY,AND MULCHED ACCORDING TO PROJECT SPECS TO H�// , /., I /, /li 4j �. \ / \ ( ' \ I \I \ CLEANING ANVTRACKEDOFROM ALADJAENT'� JI // l////.f/ 1/// ti. ; V I COIR WATTLE TYP..WATTLES \ / \,\\ \ \� \ \ 1` \ ''' MAINTAINAVIGOROUS,DENSE VEGETATIVE GROVJEH./,' / / / ��\� \ (TYP.). \ I \ \\ 1 11 ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION m 0
;�! %;% � i / ���'/ '�� ///' Il. /i. _�_255n sj. -_� ���\\N��\ `\- �,� SHALL BE INSTALLED TO AT LEAST \\ 1 1 / ...... /,,,._„, I‘,', ,!,,,
J/1/111,\ \� \\\\1j1 ,,,,.\ \..\.Iil1 TRAFFIC. mF a
/_= :-.1-2- _ �_/i,�/ : _-_ /- 'i ��\ �\ _ �� 'MATCH WATER DEPTH(ONE ROW \ I / \ / /// , \I11 \ ,1 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT O
_/ _ __E:_- i ��\� \� �N ��' \ I , \ I ' ( ! 1\, \ \ \\ \` 1 1 III ll II 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO DURATION OF CONSTRUCTION.
S �; -" •;'- _ ' l'%'i // ,� + i/ ,C\\�`\\\\\.,,�':N 4-*�N;� 2, MINIMUM IF NO WATER PRESENT) 1\\ \ \ - I r r' \ \ \\ \ \\ 1 Z
\\\\\\\\\\ \� T \ 1 \ - 1 1 1\\ 1 \ \\\ \\\11\1 MINIMIZE LAND EXPOSURE.LIMIT EXPOSURE TO--/- �; - 1
�^����: �_ -"�-=_7'' / I ,. � i��'-- \ \ \ \ ayo \. �_ A,�/i ., I ` - 1 \ / 1 I \1 \ \\ 1\111111 Vi 0
-. '� i_-__� �_%f , ,;j - \ \\\\\\\\\\\\ -\ �'Z N 44 ( ' -\ \ \ \ I __- 11 I 1 I II I!\II \ \\\�\\\ 1 11j APPROXIMATELY 20 ACRES ATATIME B. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES WEEKLY AND u•
_� /( -���ii�/%�i%���j��__ \\\\\\\\\\\\\ '� I_� \ -1 \ \ \ \ \\ \ \ \\ \\I 11 AFTER SIGNIFICANT(1/2 INCH OR GREATER)RAINFALL EVENTS TO 0 0
- __ '.i "` ',j' \\\\\\\\\_� 242 \ - \\ L\\ \ \ -- / \\\\ \\\".\ \\\\ \\\\\"1'Il/BASIN REMOVAL SEQUENCE SEE IF ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN 0 0
1_- ,R;`- �-- '_ i/ �_ � j�_aim - \\\\\q\\`/ 4S, __ _�-_ jX 1 \\ \ /1 1 -\ \ ( \\\\1\\\?\\\ `\ \`\\11111111�II PLACE,OR IF STONES HAVE BEEN DISLODGED.IMMEDIATELY MAKE
// ` -Y ` ( „ / - ./�/ i l�/��7�i-4,- ^i - \� �P\ +�\ \_ �� -245.- �\\%\ ` "L\ �N- . \, __ , \ , \ \ \�\\` \\\ \1111 ALL NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. 7 O
4
I _ _ / ' -`_ 1� -- - 2<; \ _ \ \\_\\ \ \\\\\\\ 1. SCHEDULEASITEMEETINGWITH;Z
/i/�\``�\ ' J //___
///',/%'%//// %i. '�--= S���r�, \`\ ,\ A-" 42a5%,\\--- , '-� �' '^ �! > / EXISTING \\\\\_����\\��\\�\\\�\\ ENVIRONMENTAL ENGINEERICONSULTANTTO =• O
i.4,., .----,-
� -" _ `� / ',,,/'/ ,�//'�,,/ '/ ^ =���� �- _\ \\C\\ \- ?451\�� \ •v--•I/ V/\I( / SANITARY\ - \ \\\\\ Oy^ DETERMINE IFA BASIN CAN BE REMOVED.INSTALL NCDEQ SELF-INSPECTION PROGRAM
`�� --
4/ .'/ '' '�'"�% -, rz-_-_\ �_ \ ,�"-\\ \ \\\ V'/ J/\1/,\ SEWER \- \\���\�� SILT FENCING OR OTHER TEMPORARY EROSION 0
_\\
�_ _ 1 , _ 1,/,/,l// /, �/",'L„ '_ \ \ \\_ _ vp \\N `\ I_ \ / 1 _\\ ��\ CONTROL MEASURES AS NEEDED PRIOR TO
/ �lT- i ,/l l l ll // , --/ / - -i�/ /__ \_\;\ \ \ \ \' �/�- \b,,1/�\ \I, \ \ THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN ACTIVITIES • w O
I \ \ %7 ,�I',/'/,// /,'// //// 9'' \ `\ \ STREAM \\' r���\\\',\ �) / I ) ,\�� \�„, � REMOVAL OF THE BASIN. REQUIRE THAT PERSONS RESPONSIBLE FORLAN0.DISTURBING = Q C
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__ I \�I,o ij/
li II I(l////,/'//,//sry/,'�%'i'i -_``,\ \ \ \ \ � \ \\\� _ y\'W\\J/ J/ I / \ \ INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE U 0 77
_ .• i _`'soC&,,, _._. I J/,// I /I, 1/!/ ,/ // , _ ,_-_-` \ \ \ BUFFER \ \, `2 \J/ • R'4 * \I, -J/ /I/ - - I I / \\ \ `: 2. REMOVE BASIN(S)AND ASSOCIATED TEMPORARY THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS Q
' 1 ,/, / / �_ - y \ V \\\�\ DIVERSION DITCHES.IF CULVERT PIPES NEED TO
TT" \ I �. /// I,I1 /1 I I / \ \ \ \ \ \ .- _ \ \"5' '\'., . 1 \ ` l \\ ,,A.,- BEING FOLLOWED. Z
I, II11 I I I I / / / / - `--:,\ \ \ \ V/ p J/\`b' `I/ \/ Ih' BE EXTENDED,PERFORM THIS OPERATION AT THIS 0
i2% ' `I\ \�, N '! ' /�4--‘),\
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1 !t I / /I rr BASIN 3 SKIMMER BASIN 8.57 7.76 8.46 0.50 32.82 13,968 33,000 200 55 3.0 10,668 11000 318.00 321.00 10 36 25 1.14 SKIMMER 4.0 1.75 3.42
1 / /
/ r ' Jr' - BASIN4 SEDIMENT BASIN 6.27 3.75 8.46 0-50 15.86 8,750 200,140 280 140 5.0 6,900 40028 327.00 332.00 30 _26.52 0.44 SKIMMER 20 1.5 - 3-18 rollna� SHEET NO. -
/ , / ( `/ - ,'� \' BASIN5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02tt� C5.4
L

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::‘. / I v = z 4'\ \ rn3wCOARSE AGGREGATE Ixo a��w ON BEDROCK sr °nE_ ^ zs°uaxE ))P / -,, I I iII \ < 'y1/0 DIAMETER OF PIPE EARTH FILL COVERED BY I l \ p W-v l76 DEEP LARGE ANGULAR ROCK ROCK sLT SCREEN ,� 1 G Ii ( \ Vc� OOR 12"WHICHEVER IS \ 7/ I / I ` / a/: /
GREATER 27. �7 Af 1'tip r' 1 - 4:�1 Yra /� .I� ,� I \ I I , I PH
FILTER FABRIC g 1 )� 1 l 411 :- -t1 / I /,Wil°1011WIlkir wIII II / Z v
I DITCH 1A I Ik.
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- S" ) /) - / 3pgl / �I o �V t I I / ILOD ~ `a N ¢
CAPACITY OF PIPE CULVERTS III Rcr\ I}I I / , I \ om 5 m
gSEEMa I I 111
TOGETHER=BANK FULL FLOW III r FLOW HOSE
( I l II I i LOD \I \ P a p
ELEVATION 1 - - - _ _ _ _ _ - 308 /' ¢
// EARTH FILL COVERED BY SPECIAL MILLING BASIN eng nUw / I- , �. z FUTURE �1I I I I N H 0.
LARGE ANGULAR ROCK ' J
ROAD(FOR �Y. II
COARSE AGGREGATE: WTI ROCK v00 �c • �� REFERENCE) I I �' Z
ROADSIDE OUTLETS' z �.3W.9� y1 O
�s �o�6bo 0 �a� Oc7�O O +"7WxaR AREA TO BE STABILIZED AT,HE END OF EAw WORN TO BE WASHED 506 / ' �I gj
°oo d'o� o d' m8 ° o o°Oo 000'oo 000 Fi°-Oo°o ° ° STONE AND RIP RAP / i
C ^ _ � ° 0
00o qo°o o Goo Goo 00 0°o.o0 0°00 n. °oo. o 0 0000°o CHECK DAMS ' \ -' 0 o
z.°Roc`.SILT SCREENS REWIRED FOR
TO 'OPERATIONS ARE CONSIDERED
0o Q oo ,. o o° o000 o a� o- o 0 00 0 �, ® � i:-•`� I 'V o O
0 0.o °q a O o 000 °o 0 0 0'o p o o° o o Or,NE UrsONCR PRIOR TO PUMPING ""`BE APPROVED TEMPORARY STREAM AV/ _ �� I v , - i 2,
00 0 0 00.000.00 00 000 00 0 Goo o°o 0 0..o o.°o 00.0 0 o-O CROSSING DITCH °u11147 �� g -! -'(6\ I
°o op- oo° -oo o°- �/ 0�
NO OF
Ooo o °G o 0 0 °oho o°O o o° o o °o o°o, - \
°° °LLD ` ') �, �c . 4
° °Q°°o ,.0°0 0-, o o° o o'O om °p 00 000°0°�. �' V- �._ RUN SILT FENCE UP,ir \ \ F N
° 0 900 0 o mo 00 000 00 0.°o o E o 0 0 0 o o CONSTRUCTION SEQUENCE �j,��1 _ - p�O� �� ( \ / i 0
r ZiI �S ALONG ACCESS
0
° o 0 0 0 0 0 0 o c° °o �Lx�l�7IF �. ,��i' w I u p
��i� �„��y i ��°OOp o' STEP 1(PERIMETER CONTROLS) STEP2 STEP3 '� �-����� , /�/�4'�. DRIVE �,. z c
6 , ° 1. PRIOR TO CLEARING TREES,GRUBBING,OR DISTURBING 1, APPROACH STREAM AND 1. GRADE STREAM CHANNEL SUCH THAT - -- 4.` �I • Wile G S►
�♦ • THE SITE,CLEAR A 15'WIDE STRIP OF TREES AND INSTALL REPLACE CULVERT BEDDING STREAM WATER IS DIVERTED INTO PIPE 1 II 0/W_-'v �h��, ` • 'r�Ty� �'�♦� DATE
DOUBLE ROW OF SILT FENCE AND A REINFORCED SILT SOILS WITH STRUCTURAL FILL �-���r "I �� v® ,��e l= _ K 09 14
FENCE OUTLET ALONG THE TOP OF NORTHERN STREAM AND COMPACT SOIL TO 95%. 2. KEEP PORTION OF COFFER DAM IN PLACE -' �1� - /2023
05' - ))) 05' COORDINATE WITH OWNER'S FOR ADDITIONAL SUPPORT OF PIPE 1 IF _�•�, 4...._ 1®�.b I; R \ \ O
STREAM CHANNEL BANK.DO NOT CROSS OR IMPACT THE STREAM. ®_� �
L TESTING NEEDED.
TOPMIOFMUM BANKy PLAN MINIMUM 2. GEOTECHNI ENTER
DOUOUTLETLEOW OF SILT
SOUTHERNCEAM 2. INSTA�CULVERTP PEIIN THE3 REPLACE CULFER AND COMPACT SOI SOIL O '���p•I��� • / I \ \ Y DRAWN BY
TOP OF BANK �� ��ILT
E
t
INSTALL DOUBLE ROW OF SILT FENCE AND A REINFORCEDli I l \ L \ 331
DRY.D TEMPORARY• 42"RCP !V
BANK,DO NOT CROSS OR IMPACT THE STREAM. (DURING INSTALLATION 95%COORDINATE WITH OWNERS \ T 1\
OF THE CULVERT,EXPOSED GEOTECHNICAL TESTING AGENCY, I .I \I-_\ CULVERT,SEE I elf • DESIGNED BY
3. CONTACT THE CIVIL ENGINEER FOR AN INSPECTION OF THE AREAS NOT BEING WORKED I DETAILS THIS SHEET "If •
INSTALLED SILT FENCE AND WHEN APPROVED,INSTALL SHOULD BE STABILIZED.) 4. INSTALL PIPE 2IN THE DRY.(DURING I / '1 ��A • 331
STANDARD TEMPORARY STREAM CROSSING THE REMAINING EROSION CONTROL MEASURES SHOWN IN INSTALLATION OF THE CULVERT,EXPOSE[ Y I I - r 14. )I fP!
CONSTRUCTION SEQUENCE STEP 2 AND 3. 3. FILL OVER PIPE 1 TO ELEVATION AREAS NOT BEING WORKED SHOULD BE TEMPORARY '� ' \ j A+ \ 41p\ \ �tli�II • CHECKED BY
273 AND INSTALL RIPRAP.KEEP STABILIZED.) i 4�/ \ 1'� \ Q 1, \
4. STABILIZE DISTURBED GROUND WITH TEMPORARY STREAM FLOWING. CONSTRUCTION I \ "fi 0 I ��;,p\��►➢� \ • MVZ
,'ry1,
SEEDING AND TEMPORARY SLOPE LININGS DAILY, 5. DO NOT DISTURB BEYOND 5LF OF THE ENTRANCE 25'X100' I TEMPORARY ,.s \ ' $" 0�
4. SURVEY THE EXISTING NORMAL RIPRAP PADS STREAM BED IMPACTS 1 • 'I�,0
( ..np........ CULVERT ROCK,' ��'�T�C�� 1�, SCALE
5, COORDINATE WITH CIVIL ENGINEER ONCE CENTERLINE OF STREAMBED ELEVATIONS AT SHALL ONLY BE WITHIN THE LIMITS �� \)I'' \1•/�40,,I j}
STREAM AND ALIGNMENT OF CULVERTS ARE CONFIRMED THE UPSTREAM AND AUTHORIZED BY THE NATIONWIDE I BEDDING SE \S'AI1•�
VELOCI ►/ $o$.s- • 1"=30'
PRIOR TO INSTALLATION, DOWNSTREAM ENDS OF THE PERMIT). j1 , DETAIL THIS T - R - DISSIPATO' PAD �,• T 'R•
PERMANENT CULVERT PIPE. -- �♦ i ` �•/,'�'� •
6. INSTALL COFFER DAM AND PUMP WATER AROUND THE RECORD THESE ELEVATIONS 6. INSTALL ROAD AND REMAINING ' ♦ /T.O _ \ 2 ►,�►/"1.
WORK AREA. FOR FUTURE REFERENCE. INFRASTRUCTURE. I ♦♦♦ O / Imo\ ��ry4Y►.'I! •
7. COORDINATE WITH NCDEQ TO INSPECT PUMP 5. WITH E DISTURBED GROUND 7. INSTALL ADDITIONAL EROSION CONTROL ♦ \a L ® ' 1
PASS-AROUND DEVICES. WITH TEMPORARY SEEDING DEVICES AS REQUIRED DURING o ♦• I 1 '! -I 4• $<5,1
AND TEMPORARY SLOPE CONSTRUCTION. il il I •-\ , OVT*8VV�
LININGS DAILY. :. / \ i 1 ` \r '�A� ® ,1
8. STABILIZE DISTURBED GROUND WITH I - : I 10 �',��/00 `1
TEMPORARY SEEDING AND TEMPORARY I� -/ / • I l0 �• 1OM
SLOPE LININGS DAILY. :I / \ ` \ `;/�►'��F. A
TEMPORARY / A ,v �.04*�*0 a o
TEMPORARY PUMP PASS AROUND DETAIL STAGING AREA / \ 'f' -- �I�0'0'�,�0� D U /N
7 �'` `NOT TO SCALE �I / �� ,i /,/ \) 1 I ,�` , �o
`���y'�
STREAM CROSSING CONSTRUCTION SEQUENCE �, �11 �E �*� p
1. (AEDULEAPRE-CONST3300)PIOR CONFERENCE WITH NSTR REGIONAL AIOFFICE INSETA OIL U
FAHEDISTUR I(910 433-3300 PRIOR TO BEGINNING CONSTRUCTION.OBTAIN A
LAND-DISTURBING PERMIT.
n 2. INSTALL TEMPORARY 6-FOOT WIDE TRAPEZOIDAL STREAM BYPASS CHANNEL WITH 2:1SIDE SCALE:1"=30' '7l 5 -
SLOPES,INCLUDING WATTLES/CHECK DAMS,SILT FENCE,TREE PROTECTION FENCE OR SCALE 1"=30' re U ¢ Q
o OTHER MEASURES AS SHOWN ON THE APPROVED PLAN.CLEAR ONLY AS NECESSARY TO Z W
a INSTALL THESE DEVICES.SEED TEMPORARY DIVERSIONS AND BERMS IMMEDIATELY AFTER L,/
'.-Z' CONSTRUCTION. 0 30' 60' 0 O LLL
v 3. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS z Q
AND BED,AND APPROACH TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH LLI V'
= GRADEQROSSI"°ARE". EROSION CONTROL LEGEND 0 w < u
o 4. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY.
0 5. INSTALLDISSIPATORPADSATPIPEOUTLETS LOD LIMITS OF DISTURBANCE U z > o-
6. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION x x x SILT FENCE < 1 1 1 _I °
AND IMPROVE VISUAL QUALITY,BUT NOT INTERFERE WITH DRIVE LINE OF SIGHT FROM THEL.LI o
"I ROADWAY. Z
DD#1A DD#1B Z 8 u E,
a7. STABILIZE ALL DISTURBED AREAS BEFORE DIVERTING WATER THROUGH STORM CROSSING. -# . DIVERSION DITCH J I7- _
j8. WHEN STORM CROSSING CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED Q RIPRAP CHECK DAM 0 Z r 0°
COMPLETELY,CALL NCDEQ REGIONAL OFFICE(FAYETTEVILLE,[phone])FOR AN Z EI w W o o
01 INSPECTION BY THE ENVIRONMENTAL ENGINEER. Q Z I--1 A v
STND.HARDWARE CLOTH INLET U
s 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY STORM BYPASS PROTECTION;UTILIZE GRAVEL BAG = x
CHANNEL MAY BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. _ 6
EXISTING LEGEND PROTECTION ONCE STABILIZED ' Q o
. 10. ENSURE THAT PERMANENT MEASURES NEEDED TO CONTROL EROSION FROM ROAD WATER -
01 RUNOFF(SUCH AS RIPRAP AND PAVED CHANNELS,PAVED FLUMES,OR RIPRAP OUTLET SITE BOUNDARY SEDIMENT/ 0O j PROTECTION)MEET ALL CONSTRUCTION REQUIREMENTS FOR THOSE PRACTICES. ---
EXISTING PROPERTY LINE SKIMEMER BASIN Z TH
u -- -- EXISTING ROAD CENTER 0 0 0 0 ° POROUS BAFFLES LLJ a
oI ---- EXISTING CONTOUR Q
STREAM CENTERLINE : 1!' SILT FENCE OUTLET °
j m
STREAM TOP OF BANK
E-- SKIMMER s.E
`o - - POND BOUNDARY
N NOTE - - - STREAM BUFFER �� VELOCITY DISSIPATOR PAD
a 1. CONTRACTOR TO RE-ESTABLISH ALL °.8
34- DIVERSION DITCHES TO PROPER DESIGN w WETLANDS ••`'
FORM AT THE END OF EACH WORKDAY. ��'�'���`�`� K X X XX.Xa GEOTEXTILE EROSIONX .0\\\\\\\I NEUSE RIPARIAN BUFFER V�NVV' CONTROL MATTING
2. SEE SHEETS C5.1-05.6 FOR CALCULATIONS -
i REGARDING SEDIMENT BASINS,TRAPS, - -
TEMPORARY DIVERSION DITCHES,AND
i EROSION CONTROL NOTES.
o JOB NO,
EWOE'Kai QII• I 45458
E V
�0,l�- .,: SHEET NO.
j Mom
C5.41
L

^ ' ` INLET > g CONSTRUCTION SEQUENCE o
TYPICAL SILT FENCE AND TREE I. r 2 t /' ,' _\ PROTECTION HQW ZONE CONSTRUCTION STAGING 1anl/„
_ I \ ~ '_/ I ', '•-/''. -- (TYP.) THIS PROJECT IS LOCATED IN AN HOW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT N ONiSITE AND POST APPROVAL AIN PLAN APPROVAL AND OPLACARDTHER PLICABLE PERMITS.KEEP A COPY OF THE APPROVED PLAN \\\��N CARS///�
PROTECTION FENCE INSTALLATION ;\ 1 � � ` S ANY TIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A,EACH m m 2. NOTIFY NCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q',•'ESS%'•'(/ / 1-
\ r-, !•L•I_ \_ I (.G CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. ,, PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER �.F O.t.•1.i z
DETAIL - - __ S CONSTRUCTION. ,z,...4.0
v'?
/ = :a SEAL :„..:: - o/ I�' I - -�1- -�GL , 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONSVLOD ' If> / - AND OTHER MEASURES AS SHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TO INSTALLAND oiv043i20t ro I I- �'r`�IS�n _ MAINTAIN THESE DEVICES. ` O
I I `y4. BEGIN CLEARING AND GRUBBING.MAINTAIN DEVICES AS NEEDED.
\ � L.:. 10 YI I' I1 / , O _ 5. ROUGH GRADE SITE. '�✓�' �C\♦ N
1 \ 1 \`�� me I!'M1,"-IF f }-j/ k-f I- I(I 7 - - I '� ; �, - 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT //�71v EO`\\\
REPAIRS AS NEEDED. // 11 1I \`\ O� `o k l \_;, //Iona
' s9 - -I r
- '+•- \ I • I ^`III "•,"` I s$ 57 56-I I I - r r 1 r -7-_-._,_.• ,'III �'.( ]. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION,PAVING, Z
���''' TEMPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED O
TP _ /-/_340( I L I I S , -' ro1�55 I 54 I 53 I 52 I I I I r • .N o BELow. o
vI I ,I 8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED;CALL FOR INSPECTION BY NCDEQ.
L' v�
51 I a5� I 3 -
J x
v L So � � Iv � s I_'- _ � 49 , p �' r
J � I L � 48 I I v r a I I z
-- s� ca, 1 I I I I: r- 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR;REMOVE SEDIMENT BASINS/CONVERT THEM TO
:" • a cl MSS M'R ,''ID:Ill nc I L Y 1 40'ACCESS I I I I PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS. 88 0
1 =1- \ / I ( >ro = III „, 1 ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BY NCDEQ INSPECTOR TO Z
w, q� j I �� � I II I EASEMENT 28'I e I I o.
1 n 'I! � TN�Y I -' _.-._-- I I I 11- .ss I `�, I'�T6s - OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES.
--.--0 1 ry __ ��.•, " I ar I,. I I i/9 a �'
- �/I �'. - �1 I 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED.
x x x x x x x - I ./ 5 // (� -.•-� � �� 11�"s,.,_"••� � I 11 I I , III', 1 1 ^I.
as
" 3 11( I 1 \_'; b, I= 1�2 „ � _ � �. a �11- '--_ � 3s�1 I I GENERAL NOTES a v�
®� II 122 f _ . _ f _ 12 - 4'I- BASIN REMOVAL SEQUENCE _
,
�y'� 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL < 3
\_^\',I __. I -foil
- Q \ --- 1 a_asq STATE AND LOCAL CODES IN OBSERVING EROSION W R
c �` \ I\ // R i0°'� I I" f"4 R ____ , 2O ' �� _ 1. SCHEDULE A SITE MEETING WITH THE ENVIRONMENTAL V C H O
��\� l / "" I ' ♦' -•--- _ ' - CONTROL MEASURES BOTH ON AND OFF-SITE. ENGINEER/CONSULTANT TO DETERMINE IF A BASIN CAN BE "" a
- • °g rr 21 �, '/,' , �. '• I �� DAVID 5, REMOVED.INSTALL SILT FENCING OR OTHER TEMPORARY au Z
\\ - / \\ C 1 T • IIII: III I _ ~ 342 �I I1 o-47- II `� �6¢5 � --."v�' T• 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS NEEDED PRIOR TO REMOVAL O
' 1 M''/ I/ ` • J = �II = (_ ,I r jj1•` .8 EROSION CONTROL DEVICES AFTER EACH RAINFALL 2"
i I OF THE BASIN. 1 a
I�,a/ ,yl -_,J1\ f- °°` _I �I I 'ICI !II J` - I \ I I1 1 I-- L(.\ -�., ' EVENTORAS DIRECTED BY LOCAL AUTHORITIES OR z„O'„.+_�+
\/< // IJ. _1 '� L -eIre _ IM�I _„__ I) 1 1 n;�]�I THE ENGINEER. u1"' V i21
II 7L2J' I d I/r 2. REMOVE BASIN(S)AND ASSOCIATED TEMPORARY DIVERSION 3� x
III ! \�� ! \ - - V I L^,-� IL Oil
\ \O 1�r M " I I I II°12II.'I I DITCHES.IF CULVERT PIPES NEED TO BE EXTENDED,PERFORM a'Li w °S
- � V J 6 ,„;19+. IW ( pV 3. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE THIS OPERATION AT THIS TIME.FINE GRADE AREA IN • 0 a
4O Q\ I I / I /'l / 1'I/I1J/, �II j 1 ^�`�_ \ II.B �' 1�3�g :II, III, o, LIMITS OFI,y I FOR OFF-SITE DISPOSAL OF ALL CLEARING AND
3 „ .. I ° i9° I �'AL _ -I ( �. �_DISTURBANCE I 2'� .SILTFENCE I PREPARATION FOR SEEDING. z g
n
/ DITCH#4 GRADING WASTE MATERIALS GENERATED RING HIS/I 4 ' DU � " o z
pp�� 1 I-
y A t//,'','
II ! / i 111 1/`�I\(-r `\ I� � I I 10 - . I - - -II / '•1 (SEE TABLE \ +" (TYP.) I M1��\ " ' I °F�'(TYP.) +� CI PHASE O LEWORK PERMITS
FOR OFF-SITE S ALL
TOCKPILES
c V Q
-tI' 1/i / / I , \ , /\-� - ° 011ie-�I - __ 'I [ , / -- 3. PERFORM SEEDBED PREPARATION,SEED,MULCH AND ASPHALT F N
/ r \^ II� MIMI" �•�'� 1 THIS( SHEET) -�1\\�' • qhINLET I APPLICABLE PERMITS FOR OFF-SITE STOCKPILES TACK ANY RESULTING BARE AREAS IMMEDIATELY. 1`-m j I I
! J I 1 ti M1 ' ,.�! �II,. - �p IF _ __II 340J°`_I d _ TIO AND/OR WASTE AREAS. W
---III)
-'I 1 /I I / III,` I I ' / ® IlzM IfIIII/* - ', l �.' - _' �� \. '' I a L.p I Iml�� PROTEC N II o d s L,9
- I. 4. INSTALL VELOCITY DEIS P,ATORS AND/OR LEVEL SPREADERS AS N P
1 /I - / / / I I/1 \\ I `9, -. 14 1 I II f �t �� _ I` -/ \\ / - I I(TYP.) _ 4 THE CONTRACTOR SHALL BE RESPONSIBLE FOR
__^I\ l 1 T // !/ 1 I I\/1 ` R 'I4 • I I I I J . ya ( CLEANING ANV TRACKED SOIL FROM ALL ADJACENT REQUIRED ON THE EROSION CONTROL PLAN.C o LP _
I,I ! / / / / \� _// / _ ��� '' , ` v _^ I-f, _�,/ - ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION ~ Se
7
\ / l I l ` I I ©aE I \ - 5. WHEN SITE IS FULLY STABILIZED CALL ENVIRONMENTAL
/ 11 /// /` \, \ ) \ I 0 'L _�� l TRAFFIC.
l`\ I I ,- I // / \ ! \ \ _ / I/1 ®\II E I'� .'SN \�` s i �� ENGINEER/CONSULTANT FOR ION O CONTROL REMOVING
/ 1 ,i // (/I\1�\ I\ ,\r -_< \S I \I` I• �FY ,L- CI O I ' \t _ •\� �� � I -I1./ �Ir r REMAINING TEMPORARYEROSIONCONTROLMEASURES ANDZ: ,
,,_,/, I1 II / \ J '� l9.I t - ♦ -_ \ - I I 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO Vi O
---'•-
'\ / .\ 1 `W 1 I I 1 fY I I\ ' \' �' ADVICE ON WHEN SITE CAN BE ISSUEDACERTIFICATE OF a.
///// 'I f I '''''\
�'S/` 'I\I R - �,,, [ 1 1 / ^O y,+�,• n�b'�,�J �`.� �:„ / E �I LL 'r`' I I� APPMINIROXIMATELV 20MIZE LAND 0ACRES AT^A TIMEIT OSURE TO O Q
' /(/ '/!/ / I \ ,r \,� ( INLET l i"',l,III�C�J l �`�•. nf'` \ '•: �I ��I 'II -I 7 �I3��I_ COMPLETION.
/ // // / r/ JIIII Lv v _ / / �I PROTECTION�� u� a '�_' �`�s \\ �,;. v ."'� ,/,,, I� dill I��_ 1
v ,,, •DI JnA�.I l /' ' -, ., _, '® (TYP) �® �r�y e` �ti, �! �� I� I _ �„el°„ MAINTENANCE PLAN o 0
R�;�� ��� NCDEQ SELF-INSPECTION PROGRAM
/ >/ \�' 1; ,1rLs�1© �_- ,i °ll �: s� I' �I,�_ ��.•..^: '�` ���,,, . � / u.� o
/ 1
PROVIDE NAG C125 1` // _/ / / I / I' I I N , \\ \ �; __ '1 ('•• '� / .��, - _ L it ��\1�.. I
'131Q III 1. ALL EROSION AND SEDIMENT CONTROL OPERATIONMEASURES FOLLOWING
SHALL THE SEDIMENTATIONTHATTATION POLLUTION RESPONSIBLE FOR
LAND-DISTURBING WAS AMENDED IN ACTIVITIES TO J
,^ I / ( \ q - •I b�.• 9 1 ` BE CHECKED FOR STABILITY AND FOLLOWING REQUIRE PERSONS FOR
TEMPORARY CHANNEL - // / 11 / I///,- '/ '.��_� II °'.0 I -�� -M ,,,,../( p .f1 i \ 27 e'`' •� '33 �, ==.:� � '•& 1{ o n
LINER IMMEDIATELY / ` _ y / // . � _ ,,,,, I ,/....:
\ \♦l•,, ^Yf''J r,`.;• , --_1_."� _ • -,�+' 4,t_S-J_ EVERY RUNOFF-PRODUCING RAINFALL BUT IN NO CASE INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE, 1 \ I � ,� �� � ill ;�
l `I III - -../ )/ I•
I I -_I ) .; y= / I +,� \ �p� _ LESS THANBEN ONCE EVERY WEEK.ANY NEEDED ALL REPAIRS THAT THE LOPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS y�j w O
UPON CONSTRUCTION ",' // / / ' ` III -�� -/ �!/I,�', r I II �:��.� �EIN-_� - 1 �.9 I` '\ � p\ ` ��H � •-.vttp"A�AN � � � SHALL BE MADE IMMEDIATELY TO MAINTAIN i Q a�ii� ".>D'\ DP` � BEING FOLLOWED.
v
I �I O lI � I �' II � .• , {,, I 8- n` r7..... �_�_ �` )�1e�( MEASURES AS DESIGNED. U\ /,/I / I///I `''r//I//J1 `^` //'/ '/ // 1 /III/ 'pol l;p 11 • II.III . SILTFENCE ` `CN _ �� '( 1_� RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONSTOOK O' / / / IIII _ l�/Ilrt( l/ '/' �1 j ,:,,■M�-f"'
,,�p000 \`OUTLET _!�`, I _ ,��` . _ 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS EFFECT OCTOBER 1 2010. O
/I '.1 _ /J_„,-/ 11// / ,//11 I/'� / //// /1/ (0 ��fl � �-4" ' O _ L , \ )(� WHEN STORAGEAPACITY HASBEENAPPROXIMATELYy_ DATE
• / �, �� �: \ �`- /\ ^YI `N II, p 50%FILLED.CLEANORREPLACE GRAVEL FILTER WHENTHE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY
330 -I // 1 / I�� I I 1�1 _ /I// I!/1 ! �� I: �a � I / �n`M\ xa N.al. THE SEDIMENT POOL NO LONGER DRAINS PROPERLY./ - / / `.^,-„�$��� r W „\ � '.I SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR XI
;II
l / / r,�'/// \,1 I 1 1 I 1 \ / , _._.. I A .- ._ ,0, I,_D t. I wlw_, / �. :.q �, \ 30 M - ail �) I I 09/14/2023
@{ / CONSTRUCTION ACTIVITIES.THE FOCUS OF THE SELF-INSPECTION REPORT
II / J// / III I S I > E�Ii 1 ���� ,.ROAD C' MIS w¢ Q Q 1 \ �. -,.. �4 ` 31 ,M 32 I II IIIiII'p■!■I I. 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION
i ,MIN JI s�a„_E_-_ HelliM• S2 / Da`'�. $ � - 35 ;�.!�..', „I DEPTH REACHES 6-INCHES AT THE FENCE.REPAIR SILTCONTROL MEASURESACCORDINGTOTHEAPPROVEDPLAN.THEDRAWN BY
. , 111 `/ I / / \ /WETLANDS- ` \ i' ® ��i ,�'-'r ••'�'- •" \ I / ,1U a al ( INLET ( `0,� �� ,�_ FENCE AS NECESSARY TO MAINTAIN ABARRIER. INSPECTIONS SHOULDBECONDUCTEDAFTEREACH PHASEOF THE PROJECT,/ -\ SILT FENCE ,!'� -�F�,,� ` 1 / PROTECTION ,.•, ♦y -
�P') \ 11� f ��r `cA I \ �• ,�f +I I AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED. 331
f r \ \ 1 • `�1® ppLp $� 1� ,s` (TYP.I. I �/\,•,��n A >y� 4. ALL SEEDED AREAS SHALL BE FERTILIZED,RE-SEEDED AS
/ I I,\/ 1 , ,.... .-„,,,___,/,,,,(,,,,..,,,-, ,,,,,,,,
_ - _(\ / 0 1 1 \ \ 1 I\ t`\ 1II����••i a 1�1', III // I / / m qq//�" �K NECESSARY,AND MULCHED ACCORDING TO PROJECT THE SELF-INSPECTION REPORT FORM IS AVAILABLE AS AN EXCEL DESIGNED BY
II I \ \ \ ' '\ /l/(y�I,II l /S 1 _ ® , SPECS TO MAINTAIN A VIGOROUS,DENSE VEGETATIVE SPREADSHEET FROM THE LAND QUALITY WEB SITE,
_ \11 �I �(�71o. � � LIMITS OF 1 ` � �IIII� 1{ 11 `n����� I• �� �'0�/ M�I•• • / / \ \ „1� \ 3 / � HTTP:/IPORTALNCDENR.ORGNJEBILRIEROSION�y 74' , ��I �� I / /_ 1 /- GROWTH
4.
C a- -� \. • 331
5 ��f % I DISTURBANCES v A ;��� ��� � �� // �// 33 _ o •
\ I �1 p / \ 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT
32 ,aJ�Iy �' / / V�It` TYP. I 1' ��M®� / N >� ` s3a
Iw II I�BR'�j I I I ( )1 I a'I1I®�I1 ,y^4 �.� /miiim `�Oii� I / / �- ,SILTFENCE s\ DURATION OF CONSTRUCTION GROUND STABILIZATION • CHECKED BY
v R Ip, /j 1 / v /♦♦ V �- 328- _ / OUTLET P.
Q�IIy� ��I I '� \\\ `1 '\ IIIII■lf�R�':�II ,I /, /'' / I III 3251�I /,� I-J - ) \ 6. INSPECT RIPRAPOUTLETPROTTIONSTRUCTURESSITE AREA STABILIZATION STABILIZATION TIME • MVZ
\g I-I�I� 7 �. /DITCH#5 1 \ I l\\\ ! 11 �1i �I.1 ' �/W /// '`f SILT FENCE RIP-RAP DISSIPATION PAD I ,� /'//, I // - \ l WEEKLY AND AFTER SIGNIFICANT(1/2INCH OR GREATER) DESCRIPTION TIME FRAME FRAME EXCEPTIONS
13 POI
�i' ll! ,I,1•(SEE TABLE --Ily I t.;• \\ \`� • D111,�®��1G j�p([j1�I /11� �� w• +� / (TYP.) I (IIII M I I'\-� \ RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR • •
\ I�.,.I !o - EXISTING \ ;I)IIII�N::+-*B.nS ga=`:. _~ n !' / OUTLET TYP. 24'L x 9'W x 26"THICKNESS •I I IIII„_ •IIII I II LINE SLOPES WITH STRAW BELOW THE RIPRAP HAS TAKEN PLACE,OR IF STONES SWALES.DR DIKES,HES 7 DAYS NONE SCALE
O \II 'l'N•�I cN ' THIS SHEET),I. I' \ _ //� �!� / / Dsp=,O I M_..• I HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL NEEDED 1"=100'
II:.I. i��AIM o/ ,r .,'0 1&.STREAM '/ \ 1 \9I►1[f�®9+K ,�`'5* 14U /e I' / - IIIIlh-- I BLANKET MATTING(NAG S150) 1AND SLOPES
\ t \� �� �e�® \��M//�// �, \ I _ /� N REPAIRS TO PREVENT FURTHER DAMAGE. •
�L �11111� I'� ` 1 �, IMMEDIATELY UPON - HIGH QUALITY
20 v_ AA�•I I ll ' �"` �'' / \\\ \`\�\.� 1 �ViSer....Vte
SKIMMER BASIN2 ./ / �J tD ''CONSTRUCTION(TYP.) \ �' F WATER(HQW) 7Dnvs 7DAVS FOR ALL HQW AREAS
3 RIII I 1 SKIMMER BASIN3 .,/^ • I i\ I 1 �,+ , l ._/ \\ �l ..IIIM' \ �' �S \ ` ZONESjam, `I I "' SEE TABLE ON SHEET C5.1 `� ,I/// j \. ' /°S�� � p (SEE TABLE ON SHEET C5.1) ///�� lye I; ,�1 -�,y II•\i\ \ `i il/yC'r THAN S • LL.( ) �, 6 �� q /.'�. TEMPORARY 10'WIDE BERM ELEV:331.00 ' i / •N , / l 1 \\ \ Ile-\\ SLOPES STEEPER 7 DAYS NONE
q • 10'WIDE BERM ELEV:318.00 /, /je � N" _ ,STOCKPILE ARFJ1 , / �' I, l \ 1 ',/
I„ I r. ! _ _ - L, y, CONCRETE\ I °J'• ;es.
, /,,>. (MAXIMUM _ r ^\ \ �'\ _I \ ( SLOPES 3:1 OR NONE
•
1„,,,,,,,
,��,f� / SILT FENCE 9 r WASHOUT •:�� �1N�r Ly32' 8 / / / -,���: I .� I v - v `1 I 1 v 7 J ]DAYS
�i. v v OUTLET TYP I 1 / / '..�� ) - m ,�� - D''` , HEIGHT 35') �`a= t - /' I''''' I v y FLATTER
.I A (TYP.) /' , �,,,,. ,a u`' a _•-'_ ,=a -_ - 330='�-_ ���� r� 1 ! I EXISTING -�' :II ` ri
_ _ _ _ ANY OTHER AREAS WITH NONE EXCEPT FOR PERIMETERS
III / / / • '\� I 1 3� -_ I r WETLANDS SLOPES FLATTER THAN 4 1 ]DAYS AND HQW ZONES)
pll_ LINE SLOPES / r, I •I / •,a � PI114��' '�°'i-�, / /' ,-- OI - I v yi 1I o 1 y-N%/ 1 OM
�l I��IyI I I ADJACENT TO STREAM I 1 / , / / �\, �•``,� _// IhN Tp. / ..4 zp I--"� -325 �. `,� 3,30 ( I/)• y' - I I \ \ \ -I I' '"EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING LL( o
YI 1 ADJACEWITH NT
TO STRKETEAM
1 1 / / 0 ^ \ '• .•� 4j � '' •• • ' l`\'\ 11 \ `\ \ _ / / •\ \ \ \ /' AUTHORITY BASED ON WEATHER OR OTHER SITE-SPECIFIC CONDITIONS
I Y 1` l / \E ` '•-, _ �:•' '\l1 \ -- 1 ___ N I I 1 l THAT MAKE COMPLIANCE IMPRACTICABLE."SECTION ILB 2 B
__ 1,• � I, MATTING(NAG 5150) II, :v l ( ���' / s �'�i�'• �tl // ,-../
/ �``_ v '� ��' I` 1 I v y" - v �w v y
15 Ol`� IMMEDIATELY UPON 11\\ \ -„ \ j A \\� ��. ," '/• -,„,,'',/ ^ 1 ,I/,` \ \ - �... ` ,3,30-' • / vf! I ) I y y \ \ \\ O ,•_--' 1, /� , , PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN ao
3 CONSTRUCTION TYP. I/I I \ \ �',,,, 5 3r / ;\• , %\ / - _ SILT FENCE h ^ ^\ /F 15 WORKING DAYS OR NO MORE THAN 60 CALENDAR DAYS(WHICHEVER IS SHORTER). V/ o 2
fli; �� /�P <' 320� , r I y y� v Y /,
jii
r I I- / I � ./ / \ �, OUTLET(TYP.) _ �/" �' ‘.1/ y y 1� _\ �t / I' 'i�r
5/6 L# 1 p 44 I '// ///IFy,(y�.l lr// .91,,�/I v32� ii',.3 �� 00 \.,
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ff ��14�� I r Ii IL. ‘0;� x iP' --- //' w`- ��� RIP-RAP' �: RISER IB J l L,. LLJ
9; P' (l PVMT,'/'i/ J% / �\ .l 116,\ ` sR. V (SEE SHEET C8.2 / 1A y 1 A
R 'R 313.oD'�.el ,/. v v �,. ,.. v7',. A :6 `v DISSIPATIONPAD J y ) �„� 1 Lh �/v v v v �; r vA -315 - s•.. FOR DETAILS) / - �,372 �� ; --- �"1 � z '%' ��i'_ 15 Lxa'w ESS-_ ,vI * v :,, •,: STREAM CROSSING CONSTRUCTION SEQUENCEQmore
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rit
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13127, 311 .OD'EXGND' • �, - 3 ,.�� ,, n •� v /,�v _ _ y SILT FENCE v y y i+ ��4 / '^illPVMT 304.12' II'ILD _. �^2f Y_:;.\♦� •`\ � ,/ � SILT FENCE �� J'' .-4' -� ' /" /�/" _ -OUTLET(TYP.) - WI d/ `I/ 1 \ `,- i�. 1. SCHEDULE R PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN AUQVlI; O ta ! ■/ \ �•`\\,f ' \ 31 `, '/ __ f l IAND-DO STARTOPERMIT.2jO I '' „as",/ �,.- "a ,-:.��, M,.. .��s's�"r _ - \\�� ,�I _ :OUTLET(TYP.) `� Y� �; ,III _. �' ���;.e w;\I'�^�L_� � _ _ �I%_w%,�, .,�r -_�/%,' z Ja O( I , _ 1 y. v � � . ,._^��� ,� - \� )1 / / - ��/ - 2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON SITE.FOR UTILITY� IVPVMT ��� Z� . �\:%'�� ""`:•�+R� � -�- � � � J� - � �- - -��' ��`L� 'LW� \I� \I/ y� / ,UN � :71
_ CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN
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n �� �'\a 36 .>= .ems:. � 1- ,�:. ..�� - / ,/ 'i_ �' '-\b;y'�y ‘;I. kia
_ -330�'/ / CUTAC IVITIES.
3PVMT \ • - ,� ., . �40� .^ � . • / I i _ -` - �•e• '\ \ % F /\`/(\ =�'' _ 3. INSTALLATEMPORARV COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER L•L-
309.98' I, PVMT I,�/ ( \� .t -^ -� ! - e ` \ '//'/ AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. W Q
a--PVMT -- _I • __ ' <' I' s's • 4. BEGIN CLEARING AND GRUBBING KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND a U
• �' o� �� - N CONTROL EN x Z
In 310.46' _ - ''� - - - / _EXISTING P",- APPROACH TO A MINIMUM.MAINTAIN DEVICES L NEEDED AND ROUGH GRADE CROSSING AREA.
_ _ ,�- %/ � / _, / ' '-_- �. EROSION CO OL LEGEND z r
- - / ]I / / /_ / / , __ _WETLANDS 5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. r p• O
w PVMT X -'N''\ \/� �,.�J J� ��/_ ^,.�' . �'. J / - -___- -�- ~ /'r 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. U..I Q
o' 309.85' I _ �•,iii� \\(� ! r 7 h x r/ -RIP-RAP __---------- --�-x'' i -^c- LIMITS OF DISTURBANCE ]. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. U �/ Z
'""�\` ' \. 11,�11 / DISSIPATION PAD-''/ -'- - _ _ - / f / LL
F PVMT +: -� �01'.•4; 1 • /////��/ ;mil 'i LINE SLOPES WITH STRAW /STREAM - y �1 x x SILTFENCE 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION J
TEMPORARY ✓ I \'+\ y -- BLANKET MATTING NAG S150) ',^ BUFFER ' ' 6 ___ _ - 1 \\� - _- ssr BEFORE DIVERTING WATER THROUGH STORM CROSSING. I-
iio
309.56' I ; 1t�: ,111111 •
% v� � ( / 9,L x5.wx 18" - . /3'L _ - `XI SUPER SILT FENCE
`EXISTING 1 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS < W Z '•
CONSTRUCTION I I II I ., XGND 1'{t�i�t I . 6. :;�/'J� � IMMEDIATELY UPON - THICKNESS / / - ___-- --STREAM ``L/ �/ / / / - TREE PROTECTION MAY BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. z ? w Eo
ENTRANCE 25'x100' O6 01, �'1111 1 - CONSTRUCTION(TYP.) p 8^ / , / _-- / \� / / SILT 10.CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF (ino ,�. / , .ozDa' I n It i I fio= / � _ O
1 ' � Ijs
a p I.I,ITf1'plr,', \V ( ,n 1 �/ �. ' / l _ _ - _ - `\��� �, - / 1 - WORK.
in _ /' ' Till I 3 \ J1`c��1\.• J S _ / /- / 1 ' / /// CkCL()WAV LP.NE . _ -_ _ __ _- ��_ ,� I- _ - _ DIVERSION DITCH ICI a
'9 1 \\ S DSION PAD /, I / / / / / ,'/ ��, y ' O
PVMT-� - XGND ' l"J' , I \\ ~ !i // J �V !� _ 1 1 / / I / / 33 \ �\ I POROUS BAFFLES
aoa.00'_ ti/� I � •- �. 4PP:RIP-SRAIPAPT
25'Lx8'Wx36" /I-v _ 1 / 1 '/ / - ``, , W
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.4 I C RISER 1A %���:. \Ir 'THICKNESS 1 r/ ' / // ' ^� � I HORSESHOE INLET Q Z W �,
°' '302.53' 1� _ / \ I / -_ _' /' f a PROTECTION
h 1A116r1 a. . I ,' (SEE SHEETC8.1 P' D,0=14 /''� , ( \ \ / / _ _ �� ^ - STREAM CROSSING SEQUENCE U a ()
o RIP-RAP DISSIPATION PAD I.•11 _FOR DETAILS) \It / `/ , ,- / \ - \ I I I / ! // / // / - , ^ / -/ -� ® SILT FENCE OUTLET _ o
0� 21 I ' / 1h / \ I Ir I 1 I 1 I _ - ` / / ti 1. SCHEDULEAPRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAINA = Q �'
12'L z 5'W z 26"THICKNESS'� ' -✓ p , - C �, //, y SKIMMER BASIN 1 1 9 - / / _-- .SITE BOUNDARY- 'Az/ r LAND-DISTURBING PERMIT.
I COIR WATTLE \ !1` - _ ,�/ f / J / I / r 1 l \ / / -- -_ \ f C RIPRAP CHECK DAM J
D�=10" \ iF-. (SEE TABLE ON SHEET C5.1) ' _ 1 1 / \ 2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY L
13JH1 I(JINN IM I11�1 I \ / /� (TYP) 1!b SILT FENCE 10'WIDE BERM ELEV:315.00 L n n' / .--‘24-:',
_� I I I ` / / J / / /' �� 'y 1 p� SKIMMER CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN
INSTALL PERMANENT STREAM - - 1 y/ / < `� OUTLET(TYP.) / . < I /_ 1 // _ �- ^ \ / r I I I 1 I - ___- \•1 ` CUT ACTIVITIES. O Q -
BYPASSPUMPPERSTREAM I/J'C ���/ / / / / II / 1 / \ / \\% I/\ r -�'`-"_��1 I I I I 1 1 i / / ` - \I„' i- ,/ ;��W���� TEMPORARY DITCH LINING 3. INSTALLATEMPORARY COFFERDAM ON THE UPSTREAM SIDEOFTHEPROPOSEDCROSSINGAND PUMP WATER z
o- CROSSING CONSTRUCTION m� �*1' r / I I 'I , /� /, _. I' I ,/ 335 _ ` _ AROUNDBEGINCLEARING
TO THE DOWNSTREAM SIDE. O 0 a�,(9I// I I I ( / -- 4. CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH
SEQUENCE DURING PHASE A. N' ® - �J') `V xl/( / I \ \ I {' / / / / //\ �O'/ /(! \ \ I I I I I I I / // / ., ,.�l PERMANENT DITCH LINING TOA MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA.
/ 1
G ( 5. INSTALL PIPE CULVERTS HEADWALL AND BACKFILL PROPERLY.
CONSTRUCTION TO BE PERFORMED '/ `'� RIP-RAP / I 1 / ! `_ / / // '' \__ l / I 1 I / ( _, .� ` V / -
OI (1 I 1 / l / 1 I ,. ,',/
/ /,,'' t / I I / I / -_ �_ \ \ 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS.
IN A PERIOD OF DRY WEATHER. 'DISSIPATION PAD ,/ 11 EXISTING / / / \ 1 I I / - ,._ _
f I ( I 1 /r I / ry�. \ I / / I /�/ -_ - It'
J. I NSTALL PROTECTIVE G ROU N DCOVERS TO PROVIDE PERMANENT EROSION PROTECTION.
I �/ 30' 'WX36' "� WETLANDS \ / / / '3 h I II / / - Il / 8. STABILIZE ALL DISTURBED AREAS AND CALL STORM ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION O 'y
al O 3 I ., I / /l , 1 / ) \ I I 1 I V !/ /'/a h ry" ^` \ / / I 1 I I I I _ --_ - 1\ `- BEFORE DIVERTING WATER THROUGH STORM CROSSING. Ce N,°_'
i1 I M/°p, � ,- .1, 1 1l THICKNESS yuI I1111 /� 1v11 / M ___ v / ,'�_ ..
°1 O / � / / / `/ �' `- // I I I / / 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY `.E
,9 , H.,I 7_ /D 14" _ \V -\Vr.7l I I IJ I \ `1 / \ I ` 11 t' \ I ( ALL CONSTRUCTION TO BE IN ACCORDANCE Ow
-
( I 50- / o \ / -c--•,„\ / I I I / / -__ _ 'I I \/ _ BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. -
1 I DITCH#8 -_ I-n WITH ALL HARNETT COUNTY AND NCDOT In. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24HOURS OF START OF WORK.
o
Zgg (SEE TABLE /� ., '.;�' PERMANENT CHANNEL SCHEDULE
ro STANDARDS,SPECIFICATIONS,AND DETAILS. N
Zg8 THIS SHEET) (/ /, %,- - (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) SCALE 1"=100' LU 2.
0 - VELOCITY DISSIPATION PAD(VDP)DESIGN U) 5
'g1 / , 0 /, EXISTING ACCUM. FLOW FLOW SWALE SIDE PIPE PIPE DIMENSIONS STONE SIZING
o ,PROVIDE NAG C125 I�/ ///<D STREAM LENGTH DAIDA
hs Oss SLOPE V SHEAR DEPTH AREA WP R DEPTH SLOPE PERMANENT OUTLET 025 V25 0 100' 200'
1 TEMPORARY CHANNEL/./ �/��'/ ,/ A NAME C _N VALUE LINING pA SLOPE ZONE LENGTH WIDTH DEPTH D50 DmaX CLASS
o LINER IMMEDIATELY / / // , /I . _/,/ (FT) (AC) (AC) (IN/HR) (CFS) (FT/FT) (FTIS) (PSF) (FT) (FT^2)(FT)(FT) (IN) (H:V) NAME 5B) (8/E) (cfs) (fps) (ft) (ft) (in) (in) (in) (NCDOT) CL o_ -
�I '\i UPON CONSTRUCTION 1/ /I /1//I 1310 I /' DITCH#1 875 0.58 0.58 0.50 8.42 2.44 1.5% 0.037 2.17 0.58 0.62 1.15 3.92 0.29 24 3.1 GRASS FES 200 30 0.0372• 52.23• 17.19 5 25 8 36 14 23 2
11 A'' / ! I ' / I ' I I </' I ' ' DITCH#2 1145 0.53 0.53 0.50 8.42 2.23 0.9% 0.037 1.76 0.37 0.66 1.31 4.17 0.31 24 3:1 GRASS FES 300 36 0.0112 68.18 11.36 3 24 9 26 10 17 1
f / 1 / / I I 1\ \ I I /' DITCH#3 1205 0.60 0.60 0.50 8.42 2.53 1.0% 0.037 2.26 0.42 0.68 1.82 4.30 0.42 24 3:1 GRASS SCM 1A FES 36 0.0278 111.4 17.96 5 30 9 36 14 23 2 y 45458
r ( I / I / \ \ 1 / DITCH#4 165 0.07 0.07 0.50 8.42 0.29 1.4% 0.037 1.23 0.24 0.28 0.24 1.77 0.13 24 3:1 GRASS SCM 2B FES 30 0.008 36.7 8.53 2 15 8 18 8 12 B o i
E SILT FENCE I / \ ` I. `/ f 1 1 1 \ \ 1 I i DITCH#5 550 0.81 0.81 0.50 8.42 3.40 2.7% 0.037 2.97 1.07 0.63 1.19 3.98 0.30 24 3:1 GRASS FES 900 18 0.0767 25.39 18.52 3 12 5 26 10 17 1 -
E OUTLET(TYP.) \ / \ r /\ 1 t l I E--:-iroIIna� / SHEET NO.
i ,y (,�' /\^ I I , \ 1 \ ` I \ / f I DITCH#6 525 0.77 0.77 0.50 842 3.22 2.1% 0.037 2.62 0.84 0.64 1.23 4.05 0.30 24 31 GRASS FES 950 18 0.0294 18.01 11.64 2 9 5 18 8 12 B *p,Ery•��� C5.4
Igo ,.I/N,/` ✓ 'II ll1/ lr1 \ 1 \ 1 / Il II / HO
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' `\II t 1 5\ 1// / J (z - -- - 1\\'�'1)ly\\`L\\ \`'\ 1 NAG C125 TEMPORARY r J / IV \\\\�\' \ _ \'' `' :,`\ ''\/! II z
` I\\\ `' ///// / "--=-=,--iy 1\ I \\"1\\ \ 1 / I . / flCONSTRUCTIONSEQUENCETYPICAL SILT FENCE AND TREE ,, 1 ` y( ,/ ,' \ 11ra=RE RED NERSWALE• I 1\\ ,SILT FENCE \ 1 I' I)111\ 1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.KEEP A COPY OF THE APPROVED PLAN \\\111111Irr/// LI
PROTECTION FENCE INSTALLATION \\\ \(I,\I II\d/'' / I ' / 1 , `,1 \\,1 I I, ' - QU W r I I ` OUTLET \ ;l 1 \,11 /,111 ON-SITE AND POST APPROVAL PLACARD. ; 4N Rp(
\I III II },/ /////' / / • / i I �\ II /� /��,� IMMEDIATELY UPON y �'-�I / 1 , \ \ 1� P \ \\ \ I\ I I „ l/11/I 2. NOTIFY NCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q-.•-ESS%'•-� H
\ '\ \1 ' //, _• ",) I I III CONSTRUCTION I \\'/ \ 1� „1� �. ▪'� .ITY ) \\ \I I / //� PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANV OTHER �•OF O,(,.y Z
DETAIL i\I\1 / :i 91 � �% DITCH#1 1 I\ / 1 ' CONSTRUCTION. SEAL9rt o
\ f� l //// /r rr--' \ ) I ( 1 �`_ �� LIMIT$OF _ \\ \I I, 11 /�l\\ 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONSO/ �� flA /�/� - *\ (SEETABLE) � \ vv LOD '1I I , 1I ( DISTURBANCE \\ l )1\1(III \- MA NTTAINETHESE DEVICES.SHOWNON DRAWINGS.CLEARONLYASNECESSARYTOINSTALLAND '7 1 �43�2� ` O11 / / THIS$HEFT) , TYP. I q. BEGIN CLEARING AND GRUBBING.MAINTAIN DEVICES AS NEEDED.
III ( ) / n, 1 ) \ MATCHLINE 56 I!I ' f I \��ti,ti��Y•rT•*✓•I YI WI�r�L i� 5. ROUGH GRADE SITE. •
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_ _ �'- �h` 1' '�'1 F7 I•f+ll,. J�-1\ // / WETLANDS -`\\`�j !\< \ ) I \I I , If
, '\\ 1\-\ \ \1 \ 1 \\\\ \ \ = T TEMPORARY DITCHAND SLOPE LINING,ETC.SEE(SLOPE AND SURFACE STABILIZATION NOTESLISTED Z
TP _ -ti_ �`= 1 C I-'-/1 I !1 ham -!l-lT/. -,:-L':,7: / / v / I I II I I ) )�.: V I_ _ A V A v\VA A BELOW. 0
/ '\ _ --�_-'>\r�-- C` ) I \ ., I1. //'/<I / \ /1f 1 / 1� / '� �/7 \ ', \\\ Z 8. WHEN CONSTRUCTION ID COMPLETE QAND ALL AREAS ARE STABILIZED;EDIMENTCALL UIN/FOR INSPECTION TO NCDEQ
\ _ - _ \ _ 1 1 1 \\1 , _ / I I ( I , I \ _ 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR;REMOVE SEDIMENT BASINS/CONVERT THEM TO N
' \ �'-..--"'",/'-'.--"---s--- '\�`\ 1 1 ' I I l 1, 1 - \ ' I 1 I r / - \ \\ \ 1 p,. /i, I / I SILT FENCE▪ ` \1 ( \�\\_ PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS. Eo (9
1 // / \ / / .n\\ -_ I.7/ I` /\I\ \I 1\ t `_ \ ,,,! 'I III/ ' I- - \, l I 1 ' / / - I I '1 { - I I ,` OUTLET `\ '\ 1\\ \1--'1II�� L 10. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BY NCDEQ INSPECTOR TO Z_
\ / _ 1 I 1 1 /I I \ // \ I , ! \ I / / , I �-\ J OL_"-- OBTAIN A CERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES.
/ �\1 _=_ ,-- I I\ \\ �'^\` __ I 1 /(/// , r / -\ \ I 1 i{,4 /, / 1° 1 ! r,\''�' (NP) ,_I l \ l 1 \ 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED. c Q�
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\ s\V / )JII I'p`- : ;vIV��`1\IIVAA1\\V __-`,>////�/'/I /'/ 'VAw\`,A� VI VFW�;c �i', - ,'/I ' ��o `� !I l A\ .
.1\. V `� _ ,_ GENERAL NOTES BASIN REMOVAL SEQUENCE .. E
\, ( ,I II , \\\ \\ \\ /N. ----,I----:_'-'-'-
`( ' o\\ 1 / I- -• \ _ \ \ ) r SILT FENCE I \ 1,\1 -, 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL t U W
\ ' r1 \ \\ 1 \ _ l `-_ ' ' J SILT FENCE \ \�I NP \ I , \\\ `\- STATE AND LOCAL CODES IN OBSERVING EROSION 1. SCHEDULE A SITE MEETING WITH THE ENVIRONMENTAL Q .5 3 y
\/ 'I ,,N,,,,,„:, , I ( ) I \) ENGINEER/CONSULTANT TO DETERMINE IF A BASIN CAN BE l7
/ / \ \\ ` 1I, ,,,,,',1-,,„-,-,__ OUTLET I \ I 2' I I \ CONTROL MEASURES BOTH ON AND OFF-SITE. W-v
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1 ,. 1I REMOVED.INSTALL SILT FENCING OR OTHER TEMPORARY V C 0
\ \'\ e I.` \ / (TOP.) ,)`II I I h 1 ( / \1 ( , \ I I ` , \ I 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS NEEDED PRIOR TO REMOVAL ¢�u ro Z ce
\- �-,,,,,.„-C-_---__-_:-...., // / J/ • , \ 1 " \\\ 'I I '/ \ 3'-w. \MI I 1 M I \ \ I \ \ I . 1 EROSION CONTROL DEVICES AFTER EACH RAINFALL OF THE BASIN. O o m O_
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J� / \ \\ \ \t�� \\l_ 111 I / j\ \\1 1 I ' I ) ` \ J \ THE ENGINEER. 2. REMOVE BASIN(S)AND ASSOCIATED TEMPORARY DIVERSION V.W?;ai d
'" / -_-_-2-:-_-,-_,_ _ ^\ \ \'\"\\ \ / / , /_J -..,..8,\ \_ \� \1 1 I \ ,� "�2S I \ ' \ 1 f V DITCHES.IF CULVERT PIPES NEED TO BE EXTENDED,PERFORM z_
r/P~ T z„
---'7'/_ J \ \1 \ I XI II 3. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE THIS OPERATION AT THIS TIME.FINE GRADE AREA IN 3 a a LL y
I, -� �L \\ 1 , J¢ / \ �.. \\� 1 \ 1 1 / , I' / FOR OFF-SITE DISPOSAL OF ALL CLEARING AND PREPARATION FOR SEEDING. 0 V
\ \ ` !, ! 1 1 / / J, -- \\ \\ \\\1 '.!^(rr,./' �-- _ \\ 1 \ `1 , I / GRADING WASTE MATERIALS GENERATED DURING HIS ❑_� \ /; // , )I-'.,,,',
11 I , / �-'/ - Y_ _ _?~ N. \ \ \ \ \ \\1 ,�_ % �¢�\\ _ _ _ `\� vp�\1 1 r� 1 I r'1 o D J / / /r ,' J ( I/ PHASE OF WORK AND FOR OBTAINING ALL 3. PERFORM SEEDBED PREPARATION,SEED,MULCH AND ASPHALT ' Z
3' 3 / /II r,I a\/ f , J _ _ N .\\\\\ \ I / / / _ T.„
ti -, \ , y i \' c'S• -1 1 / I ' r I APPLICABLE PERMITS FOR OFF-SITE STOCKPILES TACK ANY RESULTING BARE AREAS IMMEDIATELY. T d Ul N
l I�L/,, , / /J J'' J, ' / '- l-- Jr/! _ i__ _ ,\ , \\\\\ I I „I I / //- / / _ �_-- \" SILTFENCE'_ ' AND/OR WASTE AREAS. Fm
i ,i /r \\.., _ - , 1,' f t -,ill ' / 4. INSTALL VELOCITY DISSIPATORS AND/OR LEVEL SPREADERS AS
(I / I ) 1, / HOW ZONE CONSTRUCTION STAGING \\\\ \ \ /. ;I' r / \_ ourLEr ';/ I 11 1 ' / UL ❑
r y , , \\ \\\\ 1 / /' 4. THE CONTRACTOR SHALL BE RESPONSIBLE FOR REQUIRED ON THE EROSION CONTROL PLAN. C W
/ ( Z1 m/ / < / I/ THIS PROJECT IS LOCATED IN AN HOW ZONE;ONLY 20 ACRES CAN BE DISTURBED AT _ \ -.,\�\\\t,,�_�-..'\ II/ J /r/, , ---� _ \-\ (TOP.) `` ' !, I� C ! I / '/ r CLEANING ANY TRACKED SOIL FROM ALL ADJACENT Q
I\ u I p - I // 1 ANYTIME.SEE STAGES DELINEATED ON PLAN BELOW:STARTING WITH STAGE A,EACH\ - .,\ \\\ \\\ `-. 1 I /'/ // / - \/ _- _\` \\ \21'x 1"t2j { \,;,, / 1 ' 1' Z. - ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION 5. WHEN SITE IS FULLY STABILIZED,CALL ENVIRONMENTAL ❑
/ CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE ~ \` ,\
\ �\�\_ �l h- ^ /\ {IIII ( 1 /` • '� ENGINEER/CONSULTANT FOR APPROVAL OF REMOVING N a
>I a/o / //r _ `� ��\ > / // `, n \ _ \ `Y\\I> `I I < E1 / 1/ _ TRAFFIC
I'I m T } y \\ \ 1 r/I , / \\\ 1 1 I J 1 I / ``\` REMAINING TEMPORARY EROSION CONTROL MEASURES AND O
_ ; / !'1 p 1/ / / _ r \ _ \ \,\\ _ SILT FENCE it, I r / - -\ _ -' \ . 32 •" 30 J \ ` \ 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO• ADVICE ON WHEN SITE CAN BE ISSUED A CERTIFICATE OF z
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\ JI 3 I /' /%'n ��. - ,.�i� �� 81 ..j • 1 _ - COMPLETION.
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L94 \ _ SEE TABLE / / / ` �j - _ _ I •t
1 THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 2006 TO O O
I �I�I ° I� I°_' - -` I SILT FENCE �' ( CONSTRUCTION�'�-L>Ttiv` �' ,1 !1 ���� 335T .• • ,./
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i BE CHECKED FOR STABILITY AND OPERATION FOLLOWING 0
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e 1-I I ' SILT FENCE \ii yI �I I l Ift. / . �/ SILT FENCE / EVERY RUNOFF-PRODUCING RAINFALL BUT IN NO CASE
/ \ / 1� ,1�/ ,y �, BEING FOLLOWED.
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�L `��._- , - ` I r I/ (TOP.) SILT FENCE \ ` '•\ ` / / /1�eIj IA s OUTLET j / -- OUTLET .� , -_ / LESS THAN ONCE EVERY WEEK.ANY NEEDED REPAIRS E F rl.
• .. �� 1 I / I I \ I i s /// M '.�' t/i P. \_f-�\I ._ SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL
S�+v ^ / I ,A I OUTLET .�\ + SILT FENCE'�/ / I /� „'�\ (TOP.) C ) _ �, MEASURES AS DESIGNED RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK Q Q❑
-� - �, �_� I ¢ / I ( ) "�I OUTLET> W j / / J / - / \ _ / ___ __ „ EFFECT OCTOBER 1,2010.
1 I TOP. _
1� �1 -=- „� a I (TOP,) /� el
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{P C �� � - '♦ <�/ // RIP RAP / _ WHEN STORAGE CAPACITY HAS BEEN APPROXIMATELY SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR m DATE
' ,• J,-\,, - - - - ..2 \ m ---- 11 1' •/' DISCI PATOR /- / _ _ _ _ _ -__ 50%FILLED.CLEAN OR REPLACE GRAVEL FILTER WHEN
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�_ - = - e E / F ,'f - _ - - _ - // -- THE SEDIMENT POOL NO LONGER DRAINS PROPERLY.
, ---,- � -349r� i _ - �J��-".I. w�, •PAD 24'L x 9 -_ `�- / _ --__ IS THE INSTALLATION AND OF AND 09�14�2023
-- �f`-� �98 "'�$/\1v'=_�� --- I // ,,,,,:,':4' - W X 26" - ,^,r \\ _ CONTROL MEASURES ACCORDING TO THE APPROVED PLAN.THE 0
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- - ass / /TEMPORARY/ _ - - 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN O
1 I py `\ I J��► -� �'., = 6'__-S 'v�o' -- ��__ �ILN / THICKNESS \-� 1 INSPECTIONS SHOULD BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, Y
\I \y l= / 7� - = J-/ \__ (�-_ _ �)^� DEPTH REACHES 6-INCHES AT THE FENCE.REPAIR SILT DRAWN BY
J I _,( _ = P v - _ ;q_.�"-. .I�� W DIVERSION DITCH 4A/ 9 g' I'_- AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED.
NCE I M\I 1 I LIMITS OF � ' 'P ' _ �_ ---4-
�i,'9 \ \ �..1`I' s�D6010" .� \.y.-,..s_-.�_ .. I� _ _�_y - / I(',� FENCERS NECESSARY TO MAINTAINABARRIER. 331
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- i, 10'I "�- ,; _ �� f t 4" N7 . fL ' - - B IL` \\\ . f\ W 4. ALL SEEDED AREAS SHALL BEA FERTILIZED,RE-SEEDED AS THE SELF-INSPECTION REPORT FORM IS AVAILABLE AN EXCEL J{�R]'.I DISTURBANCE T -,°_� J "Z.I Iy) I �� - \ I \ �u .N/ �/ t\I/ \I/' �I/ \/ \,I/�/,Qo�\IJ_ _,�• \' _ R SPREADSHEET FROM THE LAND QUALITY WEB SITE,
INLET i '�;Y 1 V g'r 345 -� _ \ ,_\ \\\ ` \ l 1 1 / \11In\I NECESSARY,AND MULCHEDACCORDING TO PROJECT HTTP:/IPORTALNCDENR.ORGIWEB/LRIEROSION DESIGNED BY
(TOP.) s` J ` NAG C125 TEMPORARY,,- I m `���� Y I \. \ \ •��\ ) ,I/\ /�\ / I SPECS TO MAINTAIN A VIGOROUS,DENSE VEGETATIVE
PROTECTION , v I -��: _ �� ��-. n< �( 1v v // .' vy11 ,
(TOP.) if I_ I I I / � CHANNEL LINING- �_/L- _ I `' I •. ) I/- \ -.v vv GROWTH. e
I _, � v v . _v v N. VV< ( `J/ SILT FENCE �. ‘I.,, / -I--�� _ v11 IIAIII 331
;A°�'. REQUIRED FOR SWALE-` I iir_ DITCH#3- - �I'I11 (I_ v„ .-„ = V,.•. '.',,I N OUTLET /b•' ..1r, �y`_ -- -���J v- /6 Po, GROUND STABILIZATION
/ t J �\ \'0 -�\ I All - \ \\ / / r> II /,1/ II 4 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT
JL IMMEDIATELY UPON �. SEE TABLE' ��ro, �v`v v v / L�'?i CHECKED BY
( ` _ \ �� .(TOP.) f/ .I/\"" , 1,1/\ -N.; _ DURATION OF CONSTRUCTION. SITE AREA STABILIZATION STABILIZATION TIME •�� CONSTRUCTION __ _ I- THISSHEET) ,v - ,,,,,y\,, �� v 11, y/v ,,L,A�- v6% EXISTING @ rL_� DESCRIPTION TIMEFRAME FRAME EXCEPTIONS MVZ
f _ t«mF / / __ _ I • ' /I I \ -L ( \ \t \ \\�`� .,,�\\ \ l rJ `�- 6. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES
1 '� \ / 1\ L �/I, \ _\I-I r- �= IIIII \ _ \ • \ \ 11/.,\I_ y<� .�I/ / WETLANDS _/ ` WEEKLY AND AFTER SIGNIFICANT 1/21NCH OR GREATER) PERIMETER DIKES,
`A I f1 F�°\ /y J r�� --,....L._....._ 1 1 L. \ \\� 1 i \ 1 Y ( AND SLOPES
,DITCHES 7 DAYS NONE
/ / _ 1_ \v // k/�,,/ ^� .\NS'-1V ( \ �`� MI ( ` \ \\ w-��JCS, �' \/, 9 \ /�,�i�'� - - _ RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR 010 • SCALE
I � 7E �^ J AND SLOPES
I I I \\ > f \�\ �} -\ \/-r IIIII i = \ \y\V� �\ /' ' I 1 1/ // \,= BELOW THE RIPRAP HAS TAKEN PLACE,OR IF STONES •
- D� / 1I \\ LO \ a� '`.+ it \ 5 ry \\ \ �s\\-( �-Ns;,,,,,,,
1 - j ,11 HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL NEEDED HIGH QUALITY 1"-100'
=jr I",, lip_, of kI �A`"� -I ^"*/, A/ WS`")V-1-ic0I '� _-_ \ -j- \ ^I ; \ \ /�-� /� t \<t <,// - _ REPAIRS TO PREVENT FURTHER DAMAGE. WATER(HOW) 7 DAYS 7 DAYS FOR ALL HOW AREAS
„�I7`1 r 1 � /`� 71� _ _ _ I� \ �`<L,'?'. `. Q\ ,�3a ,/\ \ �� - �' \ ,i ,,, ^, _ r ZONES
one I t ` -'\N°^" - \ \ 11 Cn ID , 6 / ,=° RIP-RAP DISSIPATION PAD`_ \\\ `1 SLOPES STEEPER NONE
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\I I __F \/ 1 II \� / `/ 'O�,,_ 19/,`_ ,.._ ' / - \ -� �\ c-�- _- �J<\LC\ \ !r (�/%1 30'L z 9'W z 36 THICKNESS _ - \\ I( THAN 3:1 7 DAYS •
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/ •�_�r \J - / _ \\\ L I 1 \ ` t •• �n /(C \\ I 7q4�� II'r� 1\ Dso-14• I -_ _ _ 1�\\\\ SLOPES 3:1 OR 7 DAYS NONE � LL
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•-' �." / _ \ 1\� '\ \ \c� �,� SEDIMENT BASIN#4 _ �/_--- `\\.'�. �` \
- \ / \ \ \\I\ �\ \\ I� \ 1\\\� ANV OTHER AREAS WITH 7DAVSNONE(EXCEPT FOR PERIMETERSO�� // \ , `�'�'"/ ' __� - � \ \I I \ aqy \ (SEE TABLE) I' 1 1 4I\\ _ - /,l ,\`11J�irl SLOPES FLATTER THAN 4:1 AND HOW ZONES) N
' �� /' % / °' > \I/ �/��/` _ \ \ i 1I\ 1 I1 l �,.� \ 1 �� - .� / \ \( ///) '"EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING
I, s s -a>-- 53: i \ / _.i/ �- - / / - \ \ \In 1 `` ``M I P _ 11 / I , t /1�1\)i (AUTHORITY BASED ON WEATHER OR OTHER SITE-SPECIFIC CONDITIONSI- a
1 r-i ' i 1 �' ��I(, * .*,-` // r/� w �� 1� RISER 4AO 'o
��. ' f -^'�\'�w � f ��� _ m\ I I \ _ Q 1", \ SEE SHEET Ca.2 / / / ) 'III/// THAT MAKE COMPLIANCE IMPRACTICABLE."(SECTION II.B(2)(B) LU -0
- _ -_ t- 1 * vv° S l , ` V �/ ,A 1 / I v , M ' v, �� ��)41 p ( \r ' ( I/ 1 /I)/ir W m
IIh , 1 \ )' FOR.DETAILS) 1 II PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ALL DISTURBED AREAS WITHIN ��
`I I�I� _ Ir I �� \/ / / / /j� \ \< l�' \ ) l \ • 1 •I 1`1` ,, \ ) \ I , `/1/ I ,/,/,p,I/ 15 WORKING DAYS OR NO MORE THAN 80 CALENDAR DAYS(WHICHEVER IS SHORTER). I o In
_� ��� _� _�� - ��� "� /ih vI' ; I/"/moo 11 /�I .v /, I t\ / , � . � , I / ; "' , /,1IW%/ ago
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., D 75,,-
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/ I ) - \ \ III ) (\ ,), /,.,I, /, STREAM CROSSING CONSTRUCTION SEQUENCE \o Q
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`V A l 1 I /' / / U V II1 1 1/ I'/I -/ '/ - y I
1 \ �\ 1 - _`// I /I-`I/ ,I/ I - `\yl? \ ( , / \ _ Ni \ / �/ ��_ \ r ' /„ / pi,/ 'II /I<"/J / I/ "\ 1 1 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A U V l
o \ \ 7l,=' - 1 e \ \ \ \\ Z I/ / /' \ - i 1) // < / // 1 /i- ' I ) \ LAND-DISTURBING PERMIT. a _
03
\ " \ 1 1 / \ / _//- / //I // (// / \ ( I I 2. PRIOR IN START C WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT PIPE
PRIOR
FOR UTILITY J
v I v '1' ----�v /T-� �, O /.O J vC 'v v 1 / A N�� J r/I//J/,�' i_ �- :.. //,/ I 1/�' - / /` I I
a 1 \ ti \ / \ \._ ''/, /� -C•" _ I i// / / -�// / , CROSSINGS WITH ASINGS,THECARRIERPIPESHALLBEINSTALLEDWITHINTHEC451NGPIPEPRIORTOANVOPEN O O
v A A ' / J/_ ,V �(/ ,,, V, A I I I I I/ /- / A /��/// I /.�' :���- �/ , / �,�/ �,/ I v =ram.i� / / I I CUT ACTIVITIES. O �/
\ \ 1\)/ /'� ,I/ /1 / \ I \ \ \ I \ �1,' 1,// , � ��N 1f// - lJ / / , 11 II' � N/N i ,�\\ \ , I I 3. INSTALLATEMPORARV COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING ANDPUMPWATER Q I•L
i \ \ \ I I �, \ C / �,'�,i\1r` r\�/'� r /, / \ \ 1 I I I I I i / �l1J(/ • fI r,/r// i' ///I/ - „' -//i/ J,' ', \\\'�///' l (/Ili- , / ,. - , 1 I I / , I AROUNDTHEOPEN CUTAREATOTHE DOWNSTREAM SIDE. LU / U
-' 4. BEGINCLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND (�) C\I
I `V `V `V ' // I APPROACH TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. (12z O m
EROSION CONTROL LEGEND 5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. u
\I/ \I/ \V ,V • I 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. O
o / - _,m_ LIMITS OF DISTURBANCE 7. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. U Z U a-
'� EXISTING �' ! x x SILT FENCE 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION J i_ N
‘/ �/ ,I/ �� PERMANENT CHANNEL SCHEDULE SUPER SILT FENCE BEFORE DIVERTING WATER THROUGH STORM CROSSING. I}� r
WETLANDS N N / ssr 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS < LLJ Z Z '•o
M (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) TREE PROTECTION MAY BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. L LI E
'=-'' SILT FENCE 10.CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF z
\� , �•; ACCUM. FLOW FLOW SWALE SIDE z O N
LENGTH DA Iu Cu SLOPE V SHEAR Wp RWORK. 7U.� \I/ NAME DA C NVALUE_ DEPTN AREA DEPTH SLOPE PERMANENT -I -�-- DIVERSION DITCH Q L a o
<'O LINING - POROUS BAFFLES u
✓'` (FT) (AC) (AC) (INIHR) (CFS) (FT/FT) (FTIS) (PSF) (FT) (FT"2)(FT)(FT) (IN) (H:V) W w IN`
• iz - �S� HORSESHOE INLET Q Z LLI cl\
DITCH#1 875 0.58 0.58 0.50 8.42 2.44 1,5% 0.037 2.17 0.58 0.82 1.15 3,92 0.29 24 3:1 GRASS I . PROTECTION STREAM CROSSING SEQUENCE U U) a (I) "
DITCH#2 1145 0.53 0.53 0.50 6.42 2.23 0.9% 0.037 1.76 0.37 0.86 1.31 4,17 0.31 24 3:1 GRASS = 0
• �l ® SILT FENCE OUTLET 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A = 3 o
0
DITCH#3 1205 0.60 0.60 0.50 8.42 2.53 1.0% 0.037 2.26 0.42 0.68 1.82 4.30 0.42 24 3:1 GRASS LAND-DISTURBING PERMIT. 0
RIPRAP CHECK DAM
2. PRIOR CASINGS,
y• Y DRCH#4 165 0.07 0.07 0.50 8.42 0.29 1.4% 0.037 1.23 0.24 0.28 0.24 1,77 0.13 24 3:1 GRASSI� D[ Z a
t \I/ / ` �= SKIMMER CROSSINGS WITHCASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN o
Ill DRCH#5 550 0.81 0.81 0.50 8.42 3.40 2.7% 0.037 2.97 1.07 0.83 1.19 3,98 0.30 24 3:1 GRASS CUT ACTIVITIES. O Q T
�� -ci •^--->a- -- \ 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER V o
/ 3 DITCH#6 525 077 077 0.50 9.42 322 21% 0.037 282 084 084 123 405 0.30 24 37 GRASS \ :U•Wi6i�0i1i10104 TEMPORARY DITCH LINING 0
Z -
o • /gg2SAROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. Z n
��cl/ xr '\ PERMANENT DITCH LINING 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH
TEMPORARY DIVERSION SCHEDULE \ �'�/'�'//�/�/� TOGMINIMUM.MAINTAINDEVICESASNEEDEDANDROUGHGRADECROSSINGAREA. 0 a
5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. �I1
"I (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) 11 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. ( ) '-
7. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION.
0 530 FLOW FLOW BOTTOM SWALE TEMPORARY ALL CONSTRUCTION TO BE IN ACCORDANCE 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION 0 'o
1 LENGTH DA C la Q]6 SLOPE N VALUE V SHEAR Wp R SIDE SLOPE I WITH ALL HARNETT COUNTY AND NCDOT BEFORE DIVERTING WATER THROUGH STORM CROSSING. °'
DEPTH AREA WIDTH DEPTH LINING I °i
v NAME 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY LL `.E
c STANDARDS'SPECIFICATIONS,AND DETAILS' BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED.
` (FT) (AC) (IWHR) (CFS) % (FTIS) (PSF) (FT) (FT"2) (FT) (FT) (FT) (IN) (HIV) 10. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK.
ro DIVERSION DITCH 4A 810 4.68 0.50 8.42 19.70 1.5% 0.020 5.73 0.98 1.07 3.44 6.77 0.51 0.00 24 3:1 NAG C125 VELOCITY DISSIPATION PAID(VDP)DESIGN N `o
DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.83 1.9% 0.065 1.11 0.52 0.44 0.58 2.78 0.21 0.00 24 3:1 NAG C125 PIPE PIPE PAD DIMENSIONS STONE SIZING SCALE 1,100' LL
DIVERSION DITCH 5A 90 2.52 0.50 8.42 10.61 4.2% 0.021 7.05 1.88 0.71 1.51 4.49 0.34 0.00 24 3:1 NAG C125 OUTLET 026 V25 (/) =n
DIA. SLOPE ZONE LENGTH WIDTH DEPTH D50 Dmax CLASS
DIVERSION DITCH 5B 244 0.51 0.50 8.42 2.15 5.3% 0.055 2.51 1.79 0.54 0.88 3.42 0.26 0.00 24 3:1 NAG C125 NAME (in) (ft/ft) (cfs) (fps) (ft) (ft) (in) (in) (in) (NCDOT) 0 100' 200' _ -
SEDIMENT TRAPS AND BARRIERS-PHASE 2 -11EMMIllip
FES 200 30 0.0372 52.23' 17.19 5 25 8 36 14 23 2 d T
FES 300 38 0.0112 66.16 11.36 3 24 •
9 26 10 17 1 -
.. (Chapter 6"Vll of the NCDEQ E&SC Planning and Design Manuel) SCM 1 A FES 36 0.0278 111.4 17.96 5 30 9 38 14 23 2
o DRAINAGE DISTURBED Q25 REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR Q25 FLOW SKIMMER DEWATER SCM 2B FES 30 0.008 36.7 8.53 2 15 8 18 8 12 B JOB NO.
Li BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREA REQ'AREA PROV'D ELEV ELEV LENGTH TOTALDA DEPTH DEWATER SKIMMER ORIFICE TIME SCM 3C FES 36 0.0239 103.3 16.65 5 30 9 36 14 23 2 tilOr a.a•1,1145458ID TYPE (AC) (AC) i(25) C (CFS) (CF) (CF) (FT) (FT) (FT) (SF) (SF) (FT) (FT) (FT) (CFS) (FT) DEVICE SIZE(IN) DIA(IN) (DAYS) SCM 4D FES 36 0.0197 93.8 15.12 3 24 926 10 17 1 �O'�1�0 _E BASIN 4 SEDIMENT BASIN 6.27 5.10 8.46 0.50 21.57 9,180 200,140 280 140 5.0 9,384 40028 327.00 332.00 30 26.52 0.44 _ SKIMMER 2.0 _ 1.5 4.32 FES 900 18 0.0767 25.39 18.52 3 12 5 26 10 17 1 ■■ n� SHEET N0.
BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02 FES 950 18 0.0294 18.01 11.84 2 9 5 18 8 12 B C5.5
L

''', _ 1/),/, /// 1(il<r�illl1,ll'// ,„,,_ /;/ \j /,:;,�_ �-' .'�_-=;i;' f CONSTRUCTION SEQUENCE o
TYPICAL SILT FENCE AND TREE / _ -_- i / - _r ,,'r//;;'f"1','j /1•/"\l'/ •'//- _ �; !c=E= ,, /// lwlurr V
_ _\' �1 ' 1, / / / ,, /l //�,vr /, '','I/!/ / _ �/ i _� " /,, / 1. OBTAIN PLAN APPROVAL AND PLACARD.
PERMITS.KEEP ACOPY OF THE APPROVED PLAN \\\ r// V
PROTECTION FENCE INSTALLATION sue' --__ _ ' /'"'� "'� /;'" =% '% == J=" -%'!''I ON-SITE AND POST APPROVALPACARD. \\\ NARp'',
L _ _ ^/� // r/',- //'/// / 'A/ ,/"/ ' __ _/r. / 2. NOTIFY NCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT Q'� SS•
DETAIL L r -r L. \ ' /' '// //- _/////1"'�l//11,///'•--_'//�// ///� /' ____',%' /',1 PRE-CONSTRUCTION QUALITY SECTION,
LEAST ONE WEEK PRIOR TO PRESENTATIVE AND
CONDUCT HER `p/•F� 'O• t
/S^ I� lI / // ,,,,�/ / J( / l/ '/_i_� _�_- F CONSTRUCTION. �2:� T•. i
-I'-'f/ - �a/ 1 ~ \ r�F 'I 1/ ///J ,l/ //'/� i' ji/i/ j r ��- -3--;---------' 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONS 'Q SEAL r : _ V
7-I/ O s ` , ( f /// 1 Ir,J/!//i,,,,r,,,,,,“, / - i%/ /� - �h �' AND OTHER MEASURESASSHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TOINSTALLAND 043120
LOD - / ti ---\
°�/" \ ' / /1 ) I///'J1, ,III//IJ'l l�lil /�'��/'i //l///i/l/ -.�-/iii/i i'/. / /��-�,.� � MAINTAIN THESE DEVICES.
_ / ! // /_ - /'% \' 4. BEGIN CLEARING ANDGRUBBING.MAINTAIN DEVICES A NEEDED.
y i• f (� '/ f��� / /\\I / // \G /// , , CG C G C S S
/ / I / l// , / / /'' ////_ -',/---- -- - 5. ROUGH GRADE SITE. Q\
1' r / \ to ' •
I,�,,J\J ///i// Ir/ // .Ir II Ir n'' i, // iii �\ � �/✓� \\ m
r' / , / / l 1 /'(� !! 1 / - '' ^/,cam 0 a �`r..� 6. INSPECT ALL MEASURES AND DEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT /,7/y•• E \\ O
• ^ \�1/ C / A -•\� ' /%/ "///'/r )I lI I l l) (�41 � _ / '%i// � �.lZ. ;, i /-. .��'\ I. / H.8 \
-_\„ '\ t 0 1 W-' /�// /i l / / J�I III I I I l r\C,J //�/1/..' // -,' _� - \\�\\ -_ V-, REPAIRS AS NEEDED. // \\ O
' \ \ ♦ 1 / - - ' ' ' /�'� /�// II//�// II/'III/� --' �/ ' �'/i /�^ / -\`\♦ /_: N�1pi1 7. STABILIZE SITE AS AREAS ARE BROUGHT UP TO FINISHED GRADE WITH VEGETATION,PAVING,
rlll)I11\
�)7r 1, I//, �/' l // „ / 11 1 11 1 II - / /� I `'411.11�'\, Z
/ ' �%/ I l/I III\/ _ / -_ n _+��� 6'O TEMPORARY DITCH AND SLOPE LINING,ETC.SEE SLOPE AND SURFACE STABILIZATION NOTES LISTED
TP ' i ' \. ,r/ // r - - -/,/-,,,,,0, // I/' //'///l.l„Gr/ II - -!'/-j-/I'/ /,;".'..___3v_• a \ \lo , . O -,:.sA_ .2 BELOW. O
"\; - /ls L I ''-' -_ /J/, /J 1l°i/ ) / T / // '�//'11'l1'�/l% "'J '/ i/ //,^j/ /��� �N TN /' -.�fI Q 8. WHEN CONSTRUCTION IS COMPLETE AND ALL AREAS ARE STABILIZED;CALL FOR INSPECTION BY NCDEQ O
/ �I -\I� -1 I '\' pl,r" -_i%'' J/'I'/''//�.( G I III /�'/'//I'// ,/1//1/%\� i/ .. ., - �: , ��' • ''' Z
S F �� \ / 9. WHEN SITE IS APPROVED BY NCDEQ INSPECTOR REMOVE SEDIMENTCALL THEM TO N
1' ') G i 1' l ` -I\ // I __ i �_ ''�''/r ,/// / / / ,// ,�/ _ f / \ \� PERMANENT SCM'S,FINE GRADE AND STABILIZE AREAS. Eo L7
/'/ / ///!/�, /// , //' _ - \ 9. ONCE REMAINING VEGETATION IS ESTABLISHED,CALL FOR A FINAL INSPECTION BASINS/CONVERT NCDEQ INSPECTOR TO ti
\_ _ ,,\ I^' Ifs'/ _I �l// % /,1/\e_ ,�_ ,/J/r`_• 'V/�,//, '/„ /%/%2i_,�,,/i;, i �/,.//, „� _ .0,- I \\ \111111 - �,/'--_- \ I' OBTAINACERTIFICATE OF COMPLETION AND REMOVE REMAINING PERIMETER MEASURES. ?r
\ -I _ ' ,- ��',',,,--/,;,,-_-,I /''// - ��' ,'/�J,j^ /�' /%'''"�. '�'' 285j� `\I1' /".,,`7., 11. THE PREVIOUS STAGE MUST BE STABILIZED BEFORE THE NEXT STAGE OF THE PROJECT IS DISTURBED.
x x x x x x x I �'r," , /,/), ,_ r - >//'r�,il,, -I,. (..i/ =E -- `��� L - \�$,� ^E qa
/ /_, ! �,-/� , / �� _ /`��,�_'j,_,�..�. ', / ''/ 1,�I1`;.I„�// 241Lx9Wx26ITHICKNESS � '/ ;;!-\ \ 1- _ ���.� GENERAL NOTES �E o
r 1 I i// //,;'%/�/ 1„" /�/,- 1 \\\\\�tiw BASIN REMOVAL SEQUENCE n
n r. , L ' / // ,/ /,,,)< _ ','/TF ,- , , , I/ 1//�_/ DsB 10" - �� In II //�� \�- -3 `Li
'/ /',•\ _ / / f- / / / /,,/// _,/_/ // , / 2gp 1 SILT FENCE -������ 1. THE GRADING CONTRACTOR SHALL COMPLY WITH ALL 1 SCHEDULE MEETING WITH THE ENVIRONMENTAL L 3 W
tI / / /l i� /!^/ / /'///,// // I� /I I / ' - � � I '\\\ STATE AND LOCAL CODES IN OBSERVING EROSION ¢ .�3
- _ __`- _ I /, 1, /' l Imo_ -„/ / /� /'//r l I� f i'.1,/�i/1,I/1'� /'/�.�%N III'4- \OUTLET 'z \\' ENGINEER/CONSULTANT TO DETERMINE IF BASIN CAN BE 0
I _ _ / �{ '' 1 /// / / II \ \\\ CONTROL MEASURES BOTH ON AND OFF-SITE. -
'/ , �� �/ -,J'1 '///' /'/'//I�11 ' / RISER 5A-/ /' + ��\I TYP _\\ \\ REMOVEDINSTALL SILTFENCING OR OTHERTEMPORARY VCd O
- __ - '),-, If1/J/rj✓ _V .//i..ir-I3--^`� '/ /r 111111" -,' / l /f�/,,, • ' fiI IZ♦ \ti\, ( ) r ,r/�. \\, \\\ err ce
_ _ _ _' 1 , -r/ ,I. \` '',/ // (SEE SHEET C8.2 ifI _^ _ \ \\ 2. THE GRADING CONTRACTOR SHALL MAINTAIN ALL EROSION CONTROL MEASURES AS NEEDED PRIOR TO REMOVAL ¢R- Z
-,,,-,--:1 1 \ . . I _(_ '` ,, +I--r l(`,>,-_J ''/t'I/\1/-\\O-// '/'i'/ I,,,11'11 1 I ! FOR DETAILS)` i//// ®yam/f ' IIIIII .2�' �I I\ •1 '/,----`\♦\\�\ EROSION CONTROL DEVICES AFTER EACH RAINFALL OF THE BASIN. 1 O o m O
/_ - may_.-✓ \` //I/ /- -- -,' / J/k 7, --/ ////'////,///�/. // ) /, r _ > (L�,,I II ' "'/ 's \ I / / /\,,'I II EVENT OR AS DIRECTED BY LOCAL AUTHORITIES OR n2"�
_- -_\/- -/' /-- 1'
1 /1\c ''� /irr�,,r IC/1I-�,,'''' s //// 41/ /,' ' </'%�/1///'/'''/� "/'. - / iI - • \�\\� C1C �,'I/\\\\ 1111 THE ENGINEER. 2.
DITCHES.IF CIULVERT PIPSOCIATED NEED TO BEEOXTENDERY IVPERORM ERSION zul�m
'_'' /�/'�'"J, //In\ / r // 2o.,\/ ,, lr'�.:'�i//�/,',/; '/' ,"'/- ' '//,///. ,0/, I \\\\ D ♦ \\I II In V in
I _ __'// ' �' / I /r // ! / / / 1 \ 1 / 3 THE GRADING CONTRACTOR SHALL BE RESPONSIBLE THIS OPERATION AT THIS TIME.FINE GRADE AREA IN 3 a� X¢ 0 in
\\ - _ _- - / /\\\ _ - ` _ _- /(1 S -2„ //-''\ f 1 1 '/1/ // /�j'/. I//'1 / //, "/,,, e/ -�I \\�`, - i 1 0 ` f 1I11,0 FOR OFFSITE DISPOSAL OF ALL CLEARING AND PREPARATION FOR SEEDING. Q C 0 d
��)) I. \ \��'' --_ - -.� _��i /--'/ / /J _ \ / �( �/ ///- //!�///// �/� . ZJ\\ \ ,� ( I I GRADING WASTE MATERIALS GENERATED DURING HIS y
�_.�_-_��"r \�-./. / / r/- _ )T` 'r / i\^f (//I /r (/ /// r ' / / I \\��\�\m m ^ 111 )j I l II 3. PERFORM SEEDBED PREPARATION,SEED,MULCH AND ASPHALT �•�
,\ / \- J _ __�_\-- - \� _ - „ , - , - _'J//i l / \ / / ,////,/ i / �/ • ( I _ '\ \\` \ m rn•/ f II I I APPLICABLE PERMITS FOR OFF-SITEI STOCKPILES F 41
/, ' \ ^ /! ' /' 1 �Jr -_ i / / ^ / " / ,\ I I f /I ITACK ANY RESULTING BARE AREAS IMMEDIATELY. E d
/ //_/ - -- J ' - - ` I • - /�'/I` f -__ _-_ l 1 • 1, ' //„'/ ,- / _ .,ul� - COIR FIBER \°' /'/ //�// AND/OR WASTE AREAS. ~m m
//\/, ,~ __ _ _ NQW ZONE CONSTRUCTION STAGING - /'--I\ l-- / D--� '1 '' /I.i' 'I ' l,i /' '' \ BAFFLES 3 "/',"/// 4. INSTALL VELOCITY DISSIPATORS AND/OR LEVEL SPREADERS AS W 0
// \' - - ,'' '% I / / �� - '�" /� 'i �' - _ All II' ,i,\
\ \ l� ` 1 %// ,i//,� ~
/r/' _ _ THIS PROJECT IS LOCATED INEA EDHOWON
ONLY 20 ACRES CAN BE DISTURBED AT - -'/_ ,III-,_ i f 3 ) 1 / / CLEANING ANY TRACKED SOIL FROM ALL ADJACENT Q
/` -' __ - ANY TIME.SEE STAGES DELINEATED ON PLAN BELOW;STARTING WITH STAGE A,EACH _',-' l- , / �\- - '%/i' (SEE TABLE) ' �% - ��_ I 4� \ \\ / , ''i'� //,,,, ROADWAYS THAT ARE IMPACTED BY CONSTRUCTION 5. WHEN SITE IS FULLY STABILIZED,CALL ENVIRONMENTAL 0
'/' /I /I/ .----/\-\D/, CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE ---- - /j//,r-%/..., '// ".i,' / ,�, r ��%, � j / _-_ - _ I I - \^ _ \-\ 11,/f,`\'\
\/1' /,�� TRAFFIC. ENGINEER/CONSULTANT FOR APPROVAL OF REMOVING N F j
_ I - I \ y� REMAINING TEMPORARY EROSION CONTROL MEASURES AND
i/ I/ ',I1I1 , - " I'.�,i/,/'/ f _-- _ , I-; 1 \� \ >,/�/ // .1`\\\\II\/111 ADVICE ON WHEN SITE CAN BE ISSUED OF
I ` `L ` Y _ - - - ^_ = --- (O 130 1f ' ^'\ I J, \\ \\ 5. LAND DISTURBANCE SHOULD BE CONDUCTED TO Z
r//s„ Imo- -_ �// _- ' „/\ - \ o- 1' I Ii
J - -- - �rhO•• S SILT FENCE /11� ''\)1 \\\ / MINIMIZE LAND EXPOSURE.LIMIT EXPOSURE TO COMPLETION. UjOl/ 1 _. /" _ .._ __. _ -___ /4- SILTFENCE. r I �__ `� -• - -OUTLET 1//1� \II '\ \1_, APPROXIMATELY 20 ACRES AT A TIME'%\,,7 _ I _ -_ %I(I�, � _-��V /, ! // '/' _ /�; OUTLET 4, I/ � �� I A AA�AII�IIUAcr, po,_ _ IC '� // - �O° A� (TYP.), _ -�� !' (TYP.> _i_ NCDEQ SELF INSPECTION PROGRAM
_ L
hs,.C_�, z_/e`' (cr-P __,/-,r-- `-`-�L�` E. _ - ,�y'try,�pL:'I ,-, 310 _,:.i ;\ '11 ? ;u` MAINTENANCE PLAN o 0.-.7(,,,.... 1 _ _ _ • - _ 1�II ! � \ 1 `I 1 - - THE SEDIMENTATION POLLUTION CONTROL ACT WAS AMENDED IN 200fi TO
I n/ l/ ^1\ f - \„;,....-
,'�\, _ _ �\ .� ''/ __ _ = -_ ^iI I III, / i �_� Or\ \ \ \I 1\`--1--,,` REQUIRE THAT PERSONS RESPONSIBLE FOR LAND-DISTURBING ACTIVITIES u' J
// �. 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL 2-I,-;1\\ \�/ _ _ 11" /`-- 2�'„-_ _ -- \\\s I�I JII, ( ,/%/ F" - y\ I \I( \\\ \ 1 \\\ INSPECT A PROJECT AFTER EACH PHASE OF THE PROJECT TO MAKE SURE
\�\ \ _ , I - \ I I N/// ..gy�pp l _ BE CHECKED FOR STABILITY AND OPERATION FOLLOWING
Y \ _\ \� - ��• �,,. '' - /- _\\ 1 '/' Vl /�� ,'/ -' --_ \,' 1 I 1 \ :2_
__�� '1 THAT THE APPROVED EROSION AND SEDIMENTATION CONTROL PLAN IS p
^\\ 1 - -_ `\ - ' ` C\�,l! /'�I - \ EVERY RUNOFF-PRODUCING RAINFALL BUT IN NO CASE
-�l\ \ ` - ;�^-- _- _--'' - / ,� ,' ''/ iy i / /� -' 315' '�' ,1'- \‘‘,\ IA - LESS THAN ONCE EVERY WEEK.ANY NEEDED REPAIRS BEING FOLLOWED. W O
L= _�_ \-- m r _ TEMPORARY �� /„ i _ - \ \ / \\� �i F a
___ _'•1' -- I,1 / DIVERSION DITCH 5=�%1 , -'�'-//'-''/ - _-- f\ \•� \ I\- SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL
_ ` / _ / _ - ' ,/ / -___ < \ \I \ ^1 \ RULES DETAILING THE DOCUMENTATION OF THESE INSPECTIONS TOOK 2 ¢ '-
�t -1 l\ \ r , - _ _ _--„12--___`\~~_� �� - 14 r /,' \I °'\ I / /--,\'1`,� -__ /,'// ' •/'/ __ -_ i\' ,.�I 1 `_^ r - 1\i\\\ MEASURES AS DESIGNED. EFFECT OCTOBER 1,2010. Q O O
/ ' _-j ' _ _ __- 1 \,\ - �„ \ \\\' 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS Z
\"' - - _- I - \ \\ THE SELF-INSPECTION PROGRAM IS SEPARATE FROM THE WEEKLY O
` _,,,„/
�32 r- -/ 1"." �\ ,\ / - �� • I , l/� / � / `\\ h I`\\ � 1 Y WHEN STORAGE CAPACITY HAS BEEN APPROXIMATELY
- - `\ \ I/ ,11 I, / '' - /l /, _� - _ � `\1� \ SELF-MONITORING PROGRAM OF THE NPDES STORMWATER PERMIT FOR UJ DATE
'\ \ 1 I '♦' //,/\�- r '' \\,\\\'l ` \1\) \', _ \\\\�\' I /1 I RIP-RAP DISSIPATION PAD -- -\l\. 14, \\\ ` , `\ 50%FILLED.CLEAN OR REPLACE GRAVEL FILTER WHEN
1 ^^ - _ / -' _ \\ I I I / / '/ �'/ \ \ t �/� _ CONSTRUCTION ACTIVITIES.THE FOCUS OF THE SELF-INSPECTION REPORT j
` _ ,/,/ _^'/'r _ \ \ I 1 / / // - \\\ \\\ / I \ I , 24'L z 9'W x 26"THICKNESS J - _ H,1 \ si' THE SEDIMENT POOL NO LONGER DRAINS PROPERLY. IS THE INSTALLATION AND MAINTENANCE OF EROSION AND SEDIMENTATION K
v ' v ''- �/ -- _ 09/14/2023
__ , ,-_ v v 1 // V v VI I l 1 / _ _ _ _ > TEMPORARY 1
'
\ \ 7 C \„„._- / / '- -1 \` '/ \\ 1 I I 1 1 '%„ - \ \\1\\\\i l(11 I I/ I / / •- - - ^ - -�� li ,, CONTROL MEASURES ACCORDING TO THE APPROVED PLAN.THE
'II \ '// / ' ' / (-"� -- 1 ® ^DIVERSION DITCH 4B 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN O
/ r \/\ \\ I %i/ \ , \ \\ I I 1 1 1 I/, r\-, - j - , ' -, ® ll \ 7 INSPECTIONS SHOULD BE CONDUCTED AFTER EACH PHASE OF THE PROJECT, Y
/ 1 /' , \\ ' I\ _ __- \ \\11 1 1 , 1 I ) I ' 1 '/ I1 'ti-- 1 I - \\K^\ DEPTH REACHESSARY O ATTHEFENCE.REPAIR SILT DRAWN BY
P I I r f\ I I ,1 1 1 I1 I 1 )' / - - \ _�,I_- \I\ AND CONTINUED UNTIL PERMANENT GROUND COVER IS ESTABLISHED.
\ \ /^ / - 1 OI 1 _- _ _" '- _ ` III 1 1\1 I ) , I I I '' /- ' - ���LnL 1)��I \\\ FENCE AS NECESSARY TO MAINTAIN A BARRIER.
-I I '/\,\'/'//f //^ =\,, -I/)<�I ) • S /z'i� ----
^^\; _----- '' \ II'I(IIIIII\111Il/Il(,I/1////'//' "��/'j- �-' ' - '''' I-- f. III,- .\ aF �'Al ' _\\l �Wlll THE SELF-INSPECTION REPORT FORM IS AVAILABLE AS AN EXCEL 331
I I 1/'/- -__ 111 \I I, / /'y / _ \. 4. ALL SEEDED AREAS SHALL BE FERTILIZED,RE-SEEDED AS
. -\mot' \,, /r ',' '_ \ C \ ,\\ ' -__ 1 11I I r/ I / > _ _ '♦ , \ SPREADSHEET FROM THE LAND QUALITY WEB SITE,
\ "' ' - ^ i / '�/'�/� r _` -- - \ \ I I I \I t I /1 I / 1 ) Y / - �� � <r' \\ 1 NECESSARY,AND MULCHED ACCORDING TO PROJECT
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I \ 1 ' , \ /- A / ' \\^Z\ L \ SPECS TO MAINTAIN A VIGOROUS,DENSE VEGETATIVE
\\ 1,\/ ///// --�- � -� (III/((III 1, ,I\ 111, 11I , I/ l �1-;,,3A /'// I ,� �N �� \\\ I1.\ _\ -375 Is �\ \ GROWTH
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\ \ \ ) 1 , / ,/-' \ \ I 1 1 \ \ I I I I ( I I l 1 \ I \ -`- \ \ \ 5. MAINTAIN SILT/TREE PROTECTION FENCING THROUGHOUT
\^ / //� 1 _ I\1 / 111 \ ° / I I 1pyak� / / / ' �\ - I I \ \\ _N - \ \ \\ ♦\ DURATION OF CONSTRUCTION. SITE AREA STABILIZATION STABILIZATION TIME • CHECKED BY
\-�,A_ i - ' / - I \ VS^1 'j:\ I /,//111//I - _ `- ` --7- \\ 1 1 1 11 11111\\1,\ )1 1 I I I T / I I I ' f Nit' / 1I /�, , EII _ \\ \i \\ -" _-\\\\\\\ DESCRIPTION TIME FRAME FRAME EXCEPTIONS
r I ° / _ \\ f \\\\ 1 \ \ / I 1 \ 1\1 \ \ j1 c`1 , I , ..1/ l / \ / \\ 1 \\ \ 6. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES • MVZ
/ \\ \1'1I../ 1II ,, `�^\\ \\1`1 \I.l 1�.� 1 \ \\,N\\ ---� l\ PERIMETER DIKES,f - \\ �\ \ , ,lI\y , , i / / r/^ - )� ) l\\ \ \\ 1 I 1 1 I ,i \ c� _ \ \1 WEEKLY AND AFTER SIGNIFICANT(1/21NCH OR GREATER) •
\_1• \\I I \ \ \ I / , -�.-�r�_ • \1 1 \ \\1\ \\\�1 NAG C125 TEMPORARY ' / 1 I I \ \ ` \ SWALESDITCHES7 DAYS NONE
//,� \� \\ 1 \` \ '/// / \ / ( Ll 1 L 1•\ II �/ I a°T \ \�, \ /�' \\\� RAINFALL EVENTS TO SEE IFANV EROSION AROUND OR • SCALE
1 -' /'/-/f \ \1 1\Nlifqr//,,, --/ Z� -1�( _- CHANNEL LINING, I , 1 Q' I 1 r l� j )\\ ,SILT FENCE BELOW THE RIPRAP HAS TAKEN PLACE,OR IF STONES AND SLOPES
\ I �v I A vv� Y \ ,4' / v v t v n l I v REQUIRED FOR SWALE v - �� v
-.1\- ' / /',, \ n\ 1 //, , , I / __ 1 l \ , 1 - Q `� I / \ �\ \\. HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL NEEDED HIGH QUALITY 1"=100'
- �, .�, _ r/ V A . v I 1 I A I. '/ / / r_ 1 I I I 1 1 I 1 1 1 � /, I, I I v v v 11 OUTLET _
_ _ .\ '/_ v,- \^\ \ \ ,/ ti I /- - IMMEDIATELY UPON 1 1 1 , / I \ 1 \ \ 1 REPAIRS TO PREVENT FURTHER DAMAGE. WATER(HOW) 7 DAYS 7 DAYS FOR ALL HQW AREAS
\,_` - D D.\I ,I ' _ - \-\ ) r\\II\I I \I\'1///,// / ' /,_ _ _ I I \ 11\\III IIIIIIII/U - //�- \ II\'1 I \ I „\_ N (. - 1 .(TYP.) -\\1 1 ' / / ZONES I.
'- }a r '- ,.' - v 1 1 1 1 I 1 11 CONSTRUCTION `. v / ) _ M v , _ v A'1 v I '/�1 -_-7 j,.
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A - ' - A A P A A V //, /'/ /' -1 v v I > 1 1 I 1 14 1 /-'i - ' I v v v v I
1_ / /-� / \ / / r 1 p'> \\\ \ \1 I f!I I/ I 1\`- _ _--- THAN 3SISTEEPER NONE •
/ qI DITCH#1 / { vLIMITS OF Iv I // 1 ♦v �� 7DAYS
`3-�� y / t���11II4�II\(�h;/(4�� �,� '� I )I I �f11�1I IIclI�V�/�///=_�__ �'-"I> (SEE TABLES I ��� �� ..� I�) v.l DISTURBANCE \ vvv, 1 1 0AII111 v� _
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_ ' T - __ __ I ti' I _ f-- .. ANY OTHER AREAS WITH NONE(EXCEPT FOR PERIMETERS
T \F v//-_-_- \l\ \\ \\\t\ r11)\\\ 1t< /. -L/•/ /// ' n 1 ,'1 I , MATCHLINE 5.5 1/,/lI\\'f 'Il 1 EXISTING_ -- - \ '\\1 I , 'III I I I 1 , I I `?jw. 1 \^ \� `\ l\ \ \ 1 I 1 \\\I I`,\\� _ _'-/� SLOPES FLATTER THAN 4:1 7DAYS AND HQW ZONES) (r)
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'"EXTENSIONS OF TIME MAY BE APPROVED BY THE PERMITTING
\ 1 ' ' /� - -1 /I ', l I(` '�-1/t-/. / .. / I \ 1 W UP \ \_ I \ \\ \` / AUTHORITY BASED ON WEATHER OR OTHER SITE-SPECIFIC CONDITIONS a
� _ I _���� _-'a = 1 C T-'- 1 / r-L / / / vV� 1 1I 1 v 1 1 ( / 1 Vv♦ vv v�� �" -
_, 1 V \,\:__``[.= _, \ 1' \--7-7:::,y�l l�>I - - \ \L \ I 1 I , ,I.,:r \ _, \\\\\ THAT MAKE COMPLIANCEIMPRACTICABLE."(SECTION II.B(2)(B) LL a p
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' - ,1'_ r) \ \ , ,/, > ^ -7.--,:"..,,^�- -\\1 ,1 \ II 1\1 I\- �/ I /%' _--, \\ 4 // / I \I , ) I ` \ ` \ \\\ ` _ - 15 WORKING DAYS OR NO MORE THAN 60 CALENDAR DAYS(WHICHEVER IS SHORTER). _ o
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1 <<-, v v v, I. I // / , /1/, v I v v v v, ��v , 1/ /'1/ 1 ' (TYP.) ^I �v \ i Lfl `o
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' /' \ L ` ' j1 \ 1 /,I _- _ _,` -'-" ' 1\ \\ ' \\ \ //� -',^ 1, I\\l N1 \ I ;I r t / \ 1 I I\ \I ^,I -
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' 1\ \ I / Ir 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A U Q V 1//1 1 \ ' j1j /' i ,i/,' -\^ _ �j.-/ \ t �,1\\,�� r V /r'/ \• _ �' \11 1\1 I. I -, II ) 1 / \ ILAND-DISTURBING PERMIT.13 , / ' \\a\^< rr I I I,,- / ,,,/, _ , __ _ -\\\ \ \\ \ ' \ \ /\ _ /// _ .\ \\\\\_ \JV \\\ I \ 32 \ ! \ V/ II 2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY Z J
// \I c\ I \l 1 '/I \ / \ / �''1 -' t' - ---_--" IIIIII\ \ .\l _-'y"%G-I / /-i- ---,j\ a? -__ 2� - . 11 \ s \ nr ) / 1 i
a \/ 1 / r I / / l / r/o'er _ _--_- - - �� / /J 'J \`r ` M \\� \ I I 1 I. I I l `/ I / CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN O O
0 `/\ I I I 1 ( I / I I ' / - _- \` \ \ _ \ ' /\ ,-/ / J\ ,)11 1 I 1 / / / "1 _'' CUT ACTIVITIES. z 0 a/ ._
J Ce\ \ cI 1 3. INSTALLATEMPORARV COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER
f ''--; / // `,,,1 ' )\. \I,I,t)\ '/`//-' _-'_/// -_-- --_ "_ ` \ \\\\,\ \:.1\\\\ \\1\---/'''VI,,. ./.,,,,,,. - / "23\-`\-- __\\:.�\, 1 I,,\ I,I..., I.. \I , a -a'// / ,r / , _ ' _ / ' . _--- 5 U A
a ( 1/ '/ AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. (12W
- - 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND a =
I
EROSION CONTROL LEGEND APPROACH TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA.
5. INSTALL PIPIPE CULVERTS/HEADWALL AND BACKFILLPROPERLY. z 0 O m
6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. U..I
, PERMANENT CHANNEL SCHEDULE -,m- LIMITS OF DISTURBANCE 7. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. U Z
x x SILTFENCE 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION
8 (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) BEFORE DIVERTING WATER THROUGH STORM CROSSING. J r
j SUPER SILT FENCE U. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS '
ACCUM. FLOW FLOW SWALE SIDE TREE PROTECTION MAY BE REMOVED,BACKFILLED AS NECESSARY, AND STABILIZED. < Z o
LENGTH DA 12s Q. SLOPE V SHEAR WP R PERMANENT -.-.-
NAME Z O W E
roI NAME DA C NVALUE DEPTH AREA DEPTH SLOPE SILT FENCE 30.MAYCONTRACTORREMOVED,BACKTORECHANNELA SEEDEDILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF
FT (AC) (AC) (IWHR CFS (FT/FT) LINING WORK.
a ( ) J (CFS) ( ) (FTIS) (PSF) (FT) (FT"2)(FT)(FT) (IN) (H:V) --�-- DIVERSION DITCH O 7 V a o
5' DITCH#1 875 0.58 0.58 0.50 8.42 2.44 1.5% 0.037 2.17 0.58 0.62 1.15 3.92 0.29 24 3:1 GRASS - - - POROUS BAFFLES fY iz O 7•`
a, DITCH#2 1145 0.53 0.53 0.50 8.42 2.23 0.9% 0.037 1.78 0.37 0.66 1.31 4.17 0.31 24 3:1 GRASS •"• HORSESHOE INLET Q Z LL I r,\
'^ I a PROTECTION (/�
LLI
° DITCH#3 1205 0.60 0.60 0.50 8.42 2.53 1.0% 0.037 2.26 0.42 0.68 1.82 4.30 0.42 24 I 3:1 GRASS STREAM CROSSING SEQUENCE U ( / a v) `n
627
® SILT FENCE OUTLET = Q s o
DITCH#4 165 0.07 0.07 0.50 8.42 0.29 1.4% 0,037 1.23 0.24 0.28 0.24 1.77 0.13 24 3:1 GRASS 1. SCHEDULE A PRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAIN A = �'
DITCH#5 550 0.81 0.81 0.50 8.42 3.40 2.7% 0,037 2.97 1.07 0.83 1.19 3.98 0.30 24 3:1 GRASS LAND-DISTURBING PERMIT. Z F
-tit ® RIPRAP CHECK DAM 2. PRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY 17
DITCH#6 525 0-77 0.77 050 B42 3-22 2.1% 0.037 2-62 0-84 0.64 1.23 4.05 0-30 24 31 GRASS SKIMMER CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN (Y <
z CUT ACTIVITIES. O
/ 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER -
TEMPORARY DITCH LINING 0Z
3 AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. Z n
TEMPORARY DIVERSION SCHEDULE 7 I PERMANENT DITCH LINING 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH
I,I�/,�'/,����1 TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. O
C'1 6. INSTALL DISSIPATER PADS AT PIPE OUTLETS. (^5 (Chapter 8.05 of the NCDEQ E&SC Planning and Design Manual) 5. INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. �'1I
)
FLOW FLOW BOTTOM SWALE TEMPORARY 7. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION.
a, LENGTH DA C I. Q. SLOPE N VALUE V SHEAR Wp R SIDE SLOPE ALL CONSTRUCTION TO BE IN ACCORDANCE 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION 0 Tiv
NAME DEPTH AREA WIDTH DEPTH LINING WITH ALL HARNETT COUNTY AND NCDOT BEFORE DIVERTING WATER THROUGH STORMCROSSING. Ce .,
STANDARDS,SPECIFICATIONS,AND DETAILS. 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS MAY :F.E
(FT) (AC) (INIHR) (CFS) % (FTIS) (PSF) (FT) (FT"2) (FT) (FT) (FT) (IN) (H:V) BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED. LIJ
0020 5.73 0.98 1.07 3.44 6.77 0.51 0.00 24 3:1 NAG C125 30. CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANY DISTURBANCE WITHIN 24-HOURS OF START OF WORK. N `
DIVERSION DITCH 4A 610 4.68 0.50 8.42 19.70 1.5% o
DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.63 1.9% 0.065 1.11 0.52 0.44 0.58 2.76 0.21 0.00 24 3:1 NAG C125 VELOCITY DISSIPATION PAD(VDP)DESIGN .".
a PIPE PIPE PAD DIMENSIONS STONE SIZING SCALE 1"=100' LIJ
DIVERSION DITCH 5A 90 2.52 0.50 8.42 10.61 4.2% 0.021 7.05 1.88 0.71 1.51 4.49 0.34 0.00 24 3:1 NAG C125• OUTLET 025 V25 n
DIVERSION DITCH SB 244 051 0-50 6.42 215 53% 0-055 251 1.79 054 O68 342 026 ODO 24 3:1 NAG C125DIA. SLOPE ZONE LENGTH WIDTH DEPTH D50 Dmax CLASS o°
i NAME (in) (Sift) (cfs) (fps) (ft) (ft) (in) (in) (In) (NCDOT) 0 100' 200' _ -
FES 200 30 0.0372 52.23 Y 17.19 •
5 25 •
8 •
36 14 •
23 2 d '6' -
SEDIMENT TRAPS AND BARRIERS-PHASE a FES 300 36 0.0112 66.16 11.38 3 24 9 26 10 17 1 I- -
i (Chapter 6-VII of the NCDEQ E&SC Planning and Design Manual) SCM 1A FES 36 0.0278 111.4 17.96 5 30 9 36 14 23 2
$ DRAINAGE DISTURBED Q25 REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR 025 FLOW SKIMMER DEWATER SCM 2B FES 30 0.008 36.7 8.53 2 15 8 18 8 12 B JOB No.
Li BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREAREO'AREAPROV'D ELEV ELEV LENGTH TOTALDADEPTH DEWATER SKIMMER ORIFICE TIME SCM 3CFES 36 0.0239 103.3 16.65 5 30 9 36 14 23 2 pl, Kai ft 45458
E ID TYPE (AC) (AC) 1(25) C (CFS) (CF) (CF) (FT) (FT) (FT) (SF) (SF) (FT) (FT) (FT) (CFS) (FT) DEVICE SIZE(IN) DIA(IN) (DAYS) SCM 4D FES 36 0.0197 93.8 15.12 3 24 9 26 10 17 1 �O'��� _
BASIN 4 SEDIMENT BASIN 6.27 5.10 8.46 0.50 21.57 9,180 200,140 280 140 5.0 9,384 40028 327.00 332.00 30 26.52 0.44 SKIMMER 2.0 1.5 a 2 FES 900 18 0.0767 25.39 18.52 3 12 5 •
26 10 17 1 / SHEET N0.
% - 1LMY /
/ BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46' 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 ' 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.C2 FES 950 18 0.0294 18.01 11.64 2 9 5 18 8 12 B C5.6
L

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EROSION CONTROL LEGEND HQW ZONE CONSTRUCTION STAGING /' '' //
TYPICAL SILT FENCE AND TREE '//' //, % ON-SITE BTAINAND PLAN APPROVAL ANDAPPROVALOTHERAPPLICABLEPERMITS.KEEPACOPYOFTHEAPPROVEDPLAN \,0N 1ARo/, G
PROTECTION FENCE INSTALLATION -'_ LIMITS OF DISTURBANCE I / I
x x SILT FENCE / / I ANY TIME.'THIS SEE STAGEECT IS S DELINEATED ON PED IN AN HOW NLAN BELOW STARTING WITH STAGE A,EACHE;ONLY 20 ACRES CAN BE DISTURBED AT /I \ I / 2. NOTIFY NCDEQ-LAND QUALITY SECTION,NCDOT,AND OWNER REPRESENTATIVE AND CONDUCT OQ-,�ES grO.s/y17)
/ \ I PRE-CONSTRUCTION CONFERENCE AT LEAST ONE WEEK PRIOR TO STARTING CLEARING OR ANY OTHER
DETAIL uF SUPER SILT FENCE I I. I CURRENT STAGE MUST BE STABILIZED BEFORE DISTURBING THE FOLLOWING STAGE. \1\\\ I I I CONSTRUCTION. 2•QQ T'9 Z
TREE PROTECTION I1 I / II . �I \ \\ �•,I1\..\\ 3. INSTALL GRAVEL CONSTRUCTION ENTRANCES,TEMPORARY SILT FENCES,SEDIMENT BASINS,DIVERSIONS - 'Q• SEAL r•: _ o
LOD 10 0 SILT FENCE / / i I I I lI I / IIIII \\ \\ \ \'�\ AND OTHER MEASURES AS SHOWN ON DRAWINGS.CLEAR ONLY AS NECESSARY TO INSTALL AND % 043120
_ I l /_ I I I I I 1 1 1 1 9 1 1 \11 \ 1\ •\ \ \ MAINTAIN THESE DEVICES.4. BEGIN CLEARING AND OLL
1 DIVERSION DITCH / I II III I \' \ 1 \\\\\ 1 II�� \� \/> 1\1\ 5, ROUGH
GRADE ALL EITURESRANDIDEVICES WEEKLY AND AFTER ALL RAINFALL EVENTS.MAKE PROMPT NG.MAINTAIN DEVICES AS NEEDED. ' / GI G, \\``' w
POROUS BAFFLES / / 1 I t I r 1 \\ \\11111111�111I//, / j \\ N
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�\ I`� \\ �`\ '\ \ \\\\\\\\\\ / I I/ I / ' 1 1 1 1// // /'// / /' '//'! // // / _ / -\ 11 111�1 111 1111j1 il1(I III`,II IILL\��1 1 u \ \ 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER 1Y L•L
c4�\ ./`\'-. \✓ \ ('_\\\\ o'1l \ \ \I\ \\\\\,, 1111111'1liI Ill I/I///,%/// IIII111/il/I"/l/l/ IIII II\\i II.,\. \ // / 4, i�_ - I / / / ////�-.\\\\\I\\�II'�1'III,1II1�11�1111�\\�\\\\\\\1111\l\ o \ /� ^\ \ \ AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. LLJ U 1-
�''\ \\ •- - \\\\ \1\ ,�\ \\\�\\�' IIIII , /11// //II l//lI ///////// //// //1 /l11 l \\I\ I / �__ / l / "�ii \\\\\\11;`III;1111�Illl ll'�1,,\ ` / 1 \\ / J \ \ 4. BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND 0(i) a = o
N \\ \, ,,,,.._,,,_,!„,..„„_ �^ 1 0 \\�\I�\\ \'".., \,„. \\I I 1 1\\IIIII / // /1 /l/1, 11/l/l/I,/,// I 1\ \ \ \ \ / 1'( -/) -- / / I / / 7,
_- \\\\\11\\11\\\\I1I\\I(L\``\a ` _ / , I /•\ APPROACH TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA. z F r
0 \\\\ \ __ _ J, `` \ \ \ \111\ 111,1 I 1111 //// , /1 / // / I /// / //I,\ 1 1 _ - __ \\\\\\\\\\� -.�\ / I / I \\\\ 5, INSTALL PIPE CULVERTS/HEADWALL AND BACKFILL PROPERLY. w 0
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O` --,_ \l1\\ \\L\\\\_ -\ l\ll\\I\II i I I I I I I I II 11I I1111 I I//// I 1 / ///// //// IIII,/1/l/ I lI j 1 1 \ 1 I I 1 / /-_-- ---,_- / - --- / / / / //-- \\��\\\\\�\ \ \\� \p\\\ / _ \' .\JrV \ \ 7. INSTALL P6. INSTALL ROTECTIER PADS VE VEGROUTDIPE COVE OUTLETS.
PROVIDE PERMANENT EROSION PROTECTION. U Z 0 .-
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o V AAA\\ -.`\..
- '-,. AA , v ..A V , Alf Jll,I I III 1I / I / // / / ,/ I ,/ , l i l I _ o - / //__ A A'. @Va A �/
vi, \ \ \\\ �\ �� ,' 1\\\11 1 II IIII I f I // / /// I , / ,/ // , I I -/ -�� `� I / / \\\ \\ ` \ \ 1 I \ 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANTFORANINSPECTION J L.L
u A v _____ ,A V v��, vI vA llei I,/111,IIII II1 / /,/ /,/ I11 1 I / / II / 1 Rio 1 I I 1vvA\..A A = v \O AAAv / \
1 / \ % �� \ / ` BEFORE DIVERTING WATER THROUGH STORM CROSSING.
\ vANly ,v - All - RANI///,1A�� /1111/ ii// I111 , ll/ /// ///// // IVA111 11 /I, 1',,,II,>� /,,. ,- 2;�' �, l / // V A �� �ma J \_1 Q
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\ -'" \\\\ \ \ \I \\\ 1 "-/ ' I I// I / ' l l l l I I \ / I / \\ \ \ 9. UPON OF CROSSING WITH AREA STABILIZED,THE TEMPORARY COFFER DAM AND PUMP BYPASS -,5
n \ \ \ \ \\ 11 \11--, , /I/IIII I 1/ I/// II I IIIII ( I/ /1 ' / / /'�/, / / ��I / / I 1 ///--\\ \ \ \ -�V�\1 1 \ \\` J.--� 10.C10NTRACFORSHAAY BE LL RESTORECHANNELANDSTABILIZE ANY DISTURBANCE WITHIN 24-HOURS OFSTARTOF ACKFILLED AS NECESSARY,SEEDED AND STABILIZED. (in z w E
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v v V -SILT FENCE ` A V I -• /, /III IIII l,l / j1 /l I III / //,' i v-:% J / - _,A A A - AAA11 III II - \ O
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DISTURBANCE -' v v III i:(11 11 /1ivAv'��, -'i -,,, 1//I/ 111 1 lvvv vAv v 1 IIII 1, I / //,.� / ;may __ ��_ _ _ �vA A I,IIIhp�1111 pi' ,,�,v,w� ��
!' V 'I 1 A 1'I I STREAM CROSSING SEQUENCE U O U)
''LIMITS OF
\�A 1 I, vA� �� \V1 I 1 / - A 11 IIIIIAVA 1
=`( ) ,v v A v r I i / /I/111, _ A vvv\ L %i /'','_-_, �w A 1 vl�vv1 1 1i 11 1 MAINTENANCE PLAN i
TMP 1 L� 1 1 \^' ~%� - -'�' //// \ \ \ \\ \\ 1\1/ Il it /'/ \ - / - ` \\\\\IIIIi111111111111111lllll 111�,111111 1. SCHEDULEAPRECONSTRUCTION CONFERENCE WITH THE ENVIRONMENTAL ENGINEER/CONSULTANT.OBTAINA
at , ,, , ��ir 1 i. T�� �rr_' /..--/� -',„,/,,,, \\ \\\\\\1\1\I11111i1 '. I l // l / / / /.i� _ \- ___ -- , /- \� \ . \..\\111111111111IIII IIIIIIINII��1p,I71j II 1'I WIND-DISTURBING PERMIT.
\ ,.,\ \ \ I„ \1�\ �/ �'/ �- = \ \ \\ \\\\ 111 I I �„/ ,./. / _..- / \\ \\" \11111 IIII IIIIIS,1111111111y1 IIIIIINi�llll111 1. ALL EROSION AND SEDIMENT CONTROL MEASURES SHALL 2. pRIOR TO START OF WORK,CONTRACTOR SHALL HAVE ALL MATERIALS AND EQUIPMENT ON-SITE.FOR UTILITY
H
/ \ \ \ �. `. -� - -\ \ \ \ \\ \\ 11 I I I l,l /'-,::::---- .,// / '/i',,/,;-_-:-
'�' �` \ \\ \ 1 III ill',j(IIIII II II,/(/®®®//gj1�1II}111111 it 11 BE CHECKED FOR STABILITY AND OPERATION FOLLOWING CROSSINGS WITH CASINGS,THE CARRIER PIPE SHALL BE INSTALLED WITHIN THE CASING PIPE PRIOR TO ANY OPEN I
\�^>\-\ � \\ \\ \\\` '� /'/ - -\ \\ \ \\ \\\\I I,1111111 jI/ I,,�///v � 'I//// /////� -:\^� ,% \\\\\\III\11111111111111II Illl lli'ylj�lpll�l)IIIII 1 EVERY RUNOFF PRODUCING RAINFALL BUT IN NO CASE CUT ACTIVITIES. 0 Q a T
- AA l„l,/l l,l1,., uo /.'-di= _ /II /,,.,.//. - ,v �� �i 1.l nll��lI,nJ/ur, An
1 ' - - ' LESS THAN ONCE EVERY WEEK.RVNEEDED REPAIRS 3. INSTALL A TEMPORARY COFFER DAM ON THE UPSTREAM SIDE OF THE PROPOSED CROSSING AND PUMP WATER -
Q "" SHALL BE MADE IMMEDIATELY TO MAINTAIN ALL AROUND THE OPEN CUT AREA TO THE DOWNSTREAM SIDE. z Z 0.
SEDIMENT TRAPS AND BARRIERS-PHASE 2 MEASURES AS DESIGNED. 4, BEGIN CLEARING AND GRUBBING.KEEP CLEARING AND EXCAVATION OF THE STREAM BANKS,BED,AND APPROACH 0
O TO A MINIMUM.MAINTAIN DEVICES AS NEEDED AND ROUGH GRADE CROSSING AREA.
5. INSTALL PIPE CULVERTS HEADWALL AND BACKFILL PROPERLY.
�1
'" (Chapter 6-Vll of the NCDEQ E&SC Planning and Design Manual) 2. REMOVE SEDIMENT FROM SEDIMENT SKIMMER BASINS / '•)) ._
�I WHEN STORAGE CAPACITY ORRE HAS APPROXIMATELYER6. INSTALL DISSIPATER ADS GROUND
CO ERS TO.
DRAINAGE DISTURBED Q2$ REQUIRED PROVIDED BASIN BASIN BASIN SURFACE SURFACE BOTTOM WEIR WEIR 025 FLOW SKIMMER DEWATER 50%FILLED.CLEAN REPLACE GRAVEL FILTER WHEN T. INSTALL PROTECTIVE GROUND COVERS TO PROVIDE PERMANENT EROSION PROTECTION. 0 -
e1 BASIN BASIN AREA PRE AREA (DISTURBED) VOLUME VOLUME LENGTH WIDTH DEPTH AREA REQ'AREA PROV'D ELEV ELEV LENGTH TOTAL DA DEPTH DEWATER SKIMMER ORIFICE TIME THE SEDIMENT POOL NO LONGER DRAINS PROPERLY. 8. STABILIZE ALL DISTURBED AREAS AND CALL THE ENVIRONMENTAL ENGINEER/CONSULTANT FOR AN INSPECTION v
BEFORE DIVERTING WATER THROUGH STORM CROSSING.7.
LL i
ID TYPE (AC) (AC) i(25) C (CFS) (CF) (CF) (FT) (FT) (FT) ($F) (SF) (FT) (FT) (Fn (CFS) (FT) DEVICE S12E QN) DIA(IN) (DAY$) 3. REMOVE SEDIMENT FROM BEHIND SILT FENCE WHEN 9. UPON COMPLETION OF CROSSING WITH AREA STABILIZED,THE TEMPOMRY COFFER DAM AND PUMP BYPASS MAV XWE= BASIN 4 SEDIMENT BASIN 6.27 5.10 8.46 0.50 21.57 9,180 200,140 280 140 5.0 9,384 40028 327.00_332.00 30 26.52 0.44 SKIMMER 2.0 1.5 4.32 DEPTH REACHES 6-INCHES AT THE FENCE.REPAIR SILT BE REMOVED,BACKFILLED AS NECESSARY,SEEDED AND STABILIZED.
FENCE AS NECESSARY TO MAINTAIN ABARRIER. 10, CONTRACTOR SHALL RESTORE CHANNEL AND STABILIZE ANV DISTURBANCE WITHIN 24-HOURS OF START OF WORK,
BASIN 5 SEDIMENT BASIN 9.40 9.40 8.46 0.50 39.76 16,920 307,960 350 175 5.0 17,296 61592 288.00 293.00 35 39.76 0.52 SKIMMER 2.5 2 4.02 N
4. ALL SEEDED AREAS SHALL BE FERTILIZED,RE-SEEDED ASLI..I
TEMPORARY DIVERSION SCHEDULE VELOCITY DISSIPATION PAD(VDP)DESIGN NECESSARY,AND MULCHED ACCORDING TO PROJECT SCALE 1,100'
PIPE PIPE PAD DIMENSIONS STONE SIZING SPECS TO MAINTAIN A VIGOROUS,DENSE VEGETATIVE o°_
(Chapter 8.05 ofthe NCDEQ E&SC Planning and Design Manual) OUTLET DIA. SLOPE Q25 V25 ZONE LENGTH WIDTH DEPTH D50 Dmax CLASS GROWTH. 0 100' 200' X o
FLOW FLOW BOTTOM $WALE TEMPORARY NAME - 5, MAINTAINSILT/TREE PROTECTION FENCING THROUGHOUT I ,
LENGTH DA C lis Q2R SLOPE N VALUE V SHEAR Wp R SIDE SLOPE QD) MA) ON (fps) (R) (R) (in) (in) (in) (NCDOT) DURATION OF CONSTRUCTION. 11 0 -
NAME DEPTH AREA WIDTH DEPTH LINING 52.23 17.19 5 25 8 36 14 23 2
J (FT) (AC) •
(INIHR) (CPS( % (FTIS) (P8F) (FT) (FT"2) (FT) (FT) (FT) (IN) FES 200 30 0.0372 N) (H:V) FES 300 38 0.0112 66.16 11.36 3 24 9 26 10 17 1 6. INSPECT RIPRAP OUTLET PROTECTION STRUCTURES
WEEKLY AND AFTER SIGNIFICANT(1/2 INCH OR GREATER) JOB NO.
o
DIVERSION DITCH 4A 610 4.68 0.50 8.42 19.70 1.5% 0.020 5,73 0.98 1,07 3.44 6.77 0.51 0.00 24 3:1 NAG C125 SCM 1A FES 36 0.0278 111.4 17.96 5 30 9 36 14 23 2 RAINFALL EVENTS TO SEE IF ANY EROSION AROUND OR
DIVERSION DITCH 4B 39 0.15 0.50 8.42 0.63 1.9% 0.065 1,11 0.52 0,44 0.58 2.78 0.21 0.00 24 3:1 NAG C125 SCM 2B FES 30 0.008 36.7 8.53 2 15 8 18 8 12 B BELOW THE RIPRAP HAS TAKEN PLACE,OR IF STONES ellO 8� 45458
DIVERSION DITCH 5A 90 2.52 0.50 8.42 10.61 4.2% 0.021 7.05 1.88 0,71 1.51 4.49 0.34 0.00 24 3:1 NAG C125 HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL NEEDED
E FES 900 18 0.0767 25.39 18.52 3 12 5 26 10 17 1 REPAIRS TO PREVENT FURTHER DAMAGE. r01 p il a
E DIVERSION DITCH 58 244 0.51 0.50 8.42 2.15 5.3% 0.055 2,51 1.79 0,54 0,88 3.42 0.28 0.00 24 3:1 NAG C125 FES 950 18 0.0294 18.01 11.64 2 9 5 18 8 12 B al 11.E l \ , SHEET NO.
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Page: \KN.),CA O z
Date: A A CONSTRUCTION SPECIFICATIONS Q' ESSI••54 1-
PART a SECTION G,REM(4) I' �:QF O y'
l
2:
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DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT • -
�'�I•�•�%•4' 1. ENSURE THAT THE SUBGRADE FOR THE FILTER AND RIPRAP FOLLOWS THE REQUIRED - :C SEAL 9r:
Sediment basins and traps that receive runoff from dae)ton areas done sae or more shall use eotherWcbrestfret withdraw water from the surface when these devices need to be drawn down for maintenance or closeout unless this is infeasible.The cirmmstancesin whichitisM I�x� ' • = 043120
feasible to withdraw water from the surface shall be are(forexample,times with extended cold weather)_Non-surface wrthtlmwals from sediment basins shall be allowed only when all of the following criteria have been net /iC•.��! � LINES AND GRADES SHOWN IN THE PLAN.COMPACT ANY FILL REQUIRED IN THE 2cd
(a) The E&SC plan authority has been provided with documentation of the non-surface withdrawal and the specific time periods or conditions in which S will occur.The non-surface withdrawal shall not commence until the E&SC plan authority has approved these items, IiiiiiiMi'lli 49._. SUBGRADE TO THE DENSITY OF THE SURROUNDING UNDISTURBED MATERIAL.LOW
(b) The non-surface withdrawal has been reported as an anticipated bypass in aanrdancewith Part III,Section C,Item(2)(c)and(d)of this permit, 4 I_� AREAS IN THE SUBGRADE ON UNDISTURBED SOIL MAY ALSO BE FILLED BY INCREASING •rg�, (+IFIE Qp. N
(c) Deoateringd'acharges are treated wNlmmrolstominim¢e discharges of pollutants from stormwater that isrenoved from the sediment basin.Exemplesaappropnate controls include properly sited,designed and maintained dewatenng tanks,weir tanks,and filrationsystems '3� Id0 f THE RIPRAP THICKNESS. '''I ryW.gESK n' 0
(d) Vegetated,upland areas of the sites or a properly designed stone pad a used to the extent feasible at the outlet of the dewatering treatment devices described in Item(c)above, L1/m® n' + PIPE OUTLET TO FLAT 2. THE RIPRAP AND GRAVEL FILTER MUST CONFORM TO THE SPECIFIED GRADING LIMITS 7yy/11111 I-
(e) Velocity dissipation devices such as deck dams,sediment traps,and riprap are provided at the discharge points of all dewatering devices,and ` � '. �•' � AREA WITH NO DEFINED SHOWN ON THE PLANS. z
(f) Sediment removed from the dewatering treatment devices described in Item(c)above a disposed of in a manner that does not muse deposition of sediment into waters of the United States. •�'�R•!.4o%�CHANNEL 3. FILTER CLOTH,WHEN USED,MUST MEET DESIGN REQUIREMENTS AND BE PROPERLY 0
I 'evil
PART III PART III - PART III •'� �l=v j�2 PROTECTED FROM PUNCHING OR TEARING DURING INSTALLATION.REPAIR ANY DAMAGE 0
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING PLAN VIEW BY REMOVING THE RIPRAP AND PLACING ANOTHER PIECE OF FILTER CLOTH OVER THE by
SELF-IINSPECTION,RECORDKEEPING AND REPORTING a l7
SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING SECTION C:REPORTING DAMAGED AREA.ALL CONNECTING JOINTS SHOULD OVERLAP SO THE TOP LAYER IS z
Self-inspections are required during normal business hours in accordance with the table 1.E&SC Plan Documentation 1.OCCaRereeS that Must be Reported ABOVE THE DOWNSTREAM LAYER A MINIMUM OF 1 FOOT.IF THE DAMAGE IS EXTENSIVE, 3
below.When adverse weather or site conditions would muse the safety of the inspection Penmittees shall report the following occurrences, REPLACE THE ENTIRE FILTER CLOTH. e` QQ
personnel b be in jeopardy,the inspection may be delayed until the net business day on The approved E&SC plan as well as any approved deviation shall be kept on the site.The - on E K
wnimaismfebpenfomh he-nspeplloe_maaaaloe wbenasrom,evoldegealbor approved E&SC plan must be kept up-to-date throughout the overage under the permit.The (a) Visible sediment deposition in a stream or wetland. 4. RIPRAP MAY BE PLACED BY EQUIPMENT,BUT TAKE CARE TO AVOID DAMAGING THE ^'E 0
greater than 1.0 inch morn outside a normal busmesa hors,the self-inspection shall be following items pertaining to the E&SC plan shall be kept on site and available for inspection at (b) Oil Spills"IF FILTER. Z Z at U)
performed upon the mmmencementef the next business day.Any time when inspedens all times during normal business hours. • They are 25 gallons or more, LC 5. THE MINIMUM THICKNESS OF THE RIPRAP SHOULD BE 1.5 TIMES THE MAXIMUM STONE F .c w
were delayed shall be noted in the Inspection Record. • They are less then 25 gallons but cannot be cleaned up within 24 hours, DIAMETER. 3 'v
Inspect Frequency Imepectim records mad include: They muse sheen surface waters(regardless of 6. RIPRAP MAY BE FIELD STONE OR ROUGH QUARRY STONE.IT SHOULD BE HARD, OCWiz� 0
Item to Document Document Requirements Oq� d r NN a.(during normal • They are v4thnloD reetasurtace waters(regardless of volume). _ ANGULAR,HIGHLY WEATHER-RESISTANT AND WELL GRADED. �LL m z
business hours) Initial and date each MSC measure on a copy of 7. CONSTRUCT THE APRON ON ZERO GRADE WITH NO OVERFILL AT THE END.MAKE THE wOo°'
(1)Rain gauge Daly Daily rainfall amounts. the approved E&SC plan or complete,date and
(c) Releases of hazardous substances in excess of reportable quantities under Section 311 °_o
maintained in If no daily din gauge observations are made during weekend (e)Eech E85C rcewure has been installetl end of the Clean Water Act(Ref 40 CFR 110.3and 40 CFR 117.3)or Section 102 of CERCLA TOP OF THE RIPRAP AT THE DOWNSTREAM END LEVEL WITH THE RECEIVING AREA OR a
y rainfall information is aces of:significantly sign an inspection report that lists each E&SC KEY I N 6"-9'; z W
good working o holiday periods,and re individual-day gnificantly deviate from the locations, sure shwvno Bra approvnd E85C On. (Ref:40 CFR 302.4)or G.S.143-215.85. FILTER CLOTH SLIGHTLY BELOW IT. nd
order available,remrdibe ell determine
el cumulative ram measurement for those dimensions one relative elevations snownmhe RECOMMENDED FOR fun x 0 in
documentation is required upon the initial (d) Anticipated bypasses end unanticipated bypasses. 8. ENSURE THAT THE APRON IS PROPERLY ALIGNED WITH THE RECEIVING STREAM AND 3 x N
unattended days(this*II determine if a site inspection S approved E&SC plan. ENTIRE PERIMETER "),3 LIE °C
Installation of the E&SC measures are modified
needed).Days on which o rainfall occurred shall be recorded (e) Noncompliance with the conditions of this permit that may endanger health or the PREFERABLY STRAIGHT THROUGHOUT ITS LENGTH.IF A CURVE IS NEEDED TO FIT SITE
after initial installation. z .)
as'Zero.'The pemittee may use another rain-monitoring environment. SECTION A-A CONDITIONS,PLACE IT IN THE UPPER SECTION OF THE APRON. m �'" z rn
device approved by the Division. (b)A phase of grading has been completed. Initial and date a copy of the approved E&SC pan 2.Reporting Tmetrame:and Other Requirements NOTE: 9. IMMEDIATELY AFTER CONSTRUCTION,STABILIZE ALL DISTURBED AREAS WITH ^' �v O vz-i
(2)E&SC At least once per 7 1.Identification a the measures inspected complete,date and sign a^inspection report to
F ._ +A
Measures calendar days one 2.Date and Time of the inspection or
completion of the construction phase. After a°ermiltee becomes aware a an mmnence that must be reported,he shall contact the 1. La IS THE LENGTH OF THE RIPRAP APRON. VEGETATION.(TEMPORARY SEEDING AND PERMANENT SEEDING). Fro
appropriate Division regional office within thetimehames and in accordance with the other 2. d = 1.5 TIMES THE MAXIMUM STONE DIAMETER, BUT NOT LESS THAN 6 INCHES. w m
within 24 hours of 3.Name of the person performing the inspection 0
a rain event.1.0 4.Indication of whether the measures were operating property (c)Grountl cover is located and installed Initial andtl date and
approved E&SC plan requirements Department's Environmental
OccurrencesEmergency
normal business hours may also reported 3. A FILTER BLANKET OR FILTER FABRIC SHOULD BE INSTALLED BETWEEN THE lr w
inch in 24 hours. S.Oescriptioamaintenence neatly for the measure accordance with the approved E&SC plan. orcomplete,dale and sign an inspection report to tithe Department's Environmental Emergency Center personnel at(800)858-0368. MAINTENANCE J
indicate compliance with approved ground cove RIPRAP AND SOIL FOUNDATION.
s.Description, and date of corrective actions taken occurrence Reponting-Timeframe(After Discovery)and Other Requirements INSPECT MATTING ONCE A WEEK AND AFTER EACH RAINFALL. IF WASHOUT,BREAKAGE OR u,F 0
O.
(3)barge erA+m least once pert 1.Identification of the discharge outland inspected specifications. (a)Visible •wthin24 hours,an oral or electronic notification. EROSION OCCURS,REPAIR SURFACE,RESEED,REMULCH AND INSTALL NEW NETTING AND D
disaarge tender days and 2.Date and Time of the inspection (e)The maintenance and repair requirements for Complete,date and sign an inspection report. sadimlie •Within 7 Calendar Days,a report that contains a description othe
outialls(SDOs)within 24 hours of 3.Name of person peon performing the inspection deposition ina sediment and actions taken to address the cause of the deposition. ANCHORS AS REQUIRED. CONTINUE INSPECTIONS UNTIL VEGETATION IS FIRMLY ESTABLISHED. Z
all E&SC measures have been performed. Postplea
n event al0 4.Evidence of indicators of.tone-ter pollution such as oil abeam or wetland Division staff may waive the requirement for a written report on a case- m O
inch in 24 hours. sheen,floating or suspended solids or discoloration by-case basis_ j
5.IMirati°n of visible sediment leaving the site •If the dream is names on the NC 303(tl)nit as impaired for sediment- O 0
8.Deschption,Evidence,and date corrective actions taken (e)Co,rectiveactiorshaw•bmn taken toEaBC en and date a ands:gheapprovedE&SCplan related caused,the°ermSlee may be required b perform tstaff nal RIP RAP OUTLET PROTECTION Q
(4)Perimeter At least once per 7 B visible Sedimentation is found outside site limits,then record rmacurea or complete,date and sign an inspection repxtb monitoring,inspedons or apply more stringent practices if staff j 0
of Site calendar days and of the following shall he made: indicate Be completion of the corrective action. detemrine that additional requirements are needed to assure NOT TO SCALE O O
within 24 hours of 1)Actions taken to clean up or stabilize sediment that has left compliance with the federal or state impaired-waters conditions.a rain K J
evert z 1.0 the site limits 2.Additional Documentation to be Kepton Slte (b)Oil spills and •Wthin 24 Hours,an oral or electronic notification.The notification shall
inch n 24 hours. 2)Description,on Evidence and actdations
acon controle actions takenrelease of include information about the date,time,nature,volume and location 0
3)An explanation as b the actions taken to future siInte
eaddition ato the E88C plan documents above,thefollowingmauieitems shall. kept the the hazardous of the spill or release. 0
releases site and available for inspectors at all times during normal business hors,unless substances spr Ti
(5)Streams or At least once per 7 If Be abeam or wetland has increased visible sedimentation or Division provides a site-specific exemption based on unique site conditions that make W O
wetlands alendar days and has visible increased turbidity ban the consbuctio activity,Ben this requirement not practical: item 1(b)-(c)above U Cr a-
onaile or within 24 hors of a record of the following shall be made: (c)Anticipated •AThereport cap least fen days before the dale oof f the
bypass,+fjxuliib/e. COARSE AGGREGATE
offsite(where aran vent at° 1)Deceription and date of corrective actions taken (a) This General Permit as well as the Certificate of Coverage,after it-received. bypasses[40 CFR The repot shell include an evaluat'oathe anticipated quality and 1/2 DIAMETER OF PIPE EARTH FILL COVERED BY Z G
122.41(m)(3)] effect of the6 DEEP
accessible) nth in 24 hours. 2)Rerords°f requr.reports b the appropriate Dvioionbypass. OR 12"WHICHEVER IS LARGE ANGULAR ROCK O
Regional Office per Part III,Section C,Item(2Xa)of this permit (b) Records of inspections made during the previous twelve months The permifee shall (d)Unanticipated •Wthln 24 Hours,an oral or electronic notification GREATER t + : m Por 5 DATE
(6)Ground 1 The phase of gating Installation of perimeter E&SC record the required observations on the Inspection Reord Form provided by the Division bypasses[40 CFR •Within 7 calendar days,a report that includes an evaluation of the t s + ti...
A greats hose4+ t.�- !.
suoi miom ° res.Gears and grubbing,installation of storm 122 41(m)(3)] quality and effect of the bypass 1 i�yE. .K14 V J J :'p u 09/14/2023
of gadkg measures n,an gm g or inspection formrdat includes the Use - FILTER FABRIC _,+� �(� • 1.)m m`f- .��11�Ba=-. ¢ ka O
Measures drainage facilities,completion of all land-disturbing activity (e)Nommpl once •Wih'n 24 Hours,an oaloreledroncnotfimhon -.�- ..� 1 aL s K +'�k55\\I:r� _ -_ O
hown tpr.idelectronically-available records and u a the the red paper copr s will be allowed if -13, .{-•w +t0\=�Nfi 1✓-
mnsbuentaorthatthermenepgrmamntgrountlrover). shown to provdeequalaorassand uhltyas[be hard-copy records. withtheondthons •Wih'n7calendardays,arepotthatmetadsf noncomodike . j oA•�R �I(r�1�• `�'���' �1 11 - III • Y DRAWN BY
2 memmen have
that the required ground stabilizationietim the d ng that exact
xaompl shoe,and its d if the n period a noncompliance bed including
_ ` V r 1 r�1 _
es have been provided within the required timehame 3.Documentation to be Retained for Three Years may ends • - li r V
measures provi rsooi ^ear corrected,
et dales and+impa,and if noncompliance S has of been
- � - 331
or assurance that h II be provided as soon as tole. All data used completeojethe pleb and all inspection records shall be t[40 CFR fora 1] health or the steps
e s the anticipatednntime nonom noncompliance la expected
theyrootp pe Minns;
of three years after project completion and made available upon request[40 CFR 122.41] environment[40 and sie taken a planned to reduce,eliminate andprevent - (-
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. e re p once '� ) DESIGNED BY
CFR 122.41(IJ(7)] reoccurrence Be noncompliance.140 CFRwritten
p _ ^I 'v I. •
-Division staff ebamay waive the requirement fora wriden report onause- i I I
331
CAPACITY OF PIPE CULVERTS by-case beaus. III-III •
TOGETHER=BANK FULL FLOW ., FLOW • CHECKED BY
ELEVATION I EARTH FILL COVERED BY • MVZ
(1)V.,R i l EyLR6CFM-A-K LARGE ANGULAR ROCK
Enrirertfnefq•tQual0 NCG-01 SELF INSPECTION 1 ^
EFFECTIVE DATE:11/12/2020 COARSE AGGREGATE CCRrtdditia se�dJ • • SCALE
qg �:i.i'��i!desC7 o O O N/A
pole 0 duo °O°B Jro$ 7I,0o°Oo 2O•o°•p.oO J O°Olt O oOpp 1 •
o O0O0o0 . o0.0.00, O O :.°0,1
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Date: GROUND STABILIZATION AND MATERIALS HANDUNG PRACTICES FOR COMPLIANCE ONSITE CONCRETE WASHOUT p e: 0�,C"0°0 o0°0 OG 0 OO o�0 0�0 0O O O o O °00 O •EOUIPYENT AND VEHICLE MAINTENANCE p
WIMH THE NCGO1 CONSTRUCTION GENERILL PFJiMR 1 Mam+en vehrtlea and equipment b preven+dscharge a fluids. STRUCTURE WITH LINER po 0� o O-o' °o O:OO O 0 O oO�00.0 0°oo ° 0 • .+Implement nor tbe debits and speofca0os ee this Plan sheet roll result m the onAttao on 2. Provide drip pans antler arty sbruid equrpmenl. rC owreN mreRSV® O°o Oo o °C 0 O onoO p °O O-p° po O ° OO ono°OVactivity bang considered compliant with the Ground Stabilization and Materials Handling I1 - t:u O p o0 0 00 0O o3. Identity leaks and repair as sou^as feasible,or remove leak ng equpment from the r su MIAGS rn, 00 00 °0 - O op o° Op O' °OOa LL
ceWos ofh NCG01 Construction General Pe it(Sections E antl F r ved by t ly).The ct M11 a PII. (r�P���\ [[ sr Oo° o - 000 0 Operm tee sh II ply with the Erosion and Sed' t Co hit plan approved by the delegated �� , 11 Nf T-\\�4 m o 0 0 o O o 0 O °O O o O ° OO.�OO O o0 p o°OaW fray risdx:tion.All deb Is and s fi t shown o the sheet ma d 4. Collect all spent fluos,store-n separate onta ners and properly dispose as hazardous :11''A y O 0 0°�0pp0°O°0p o O o pO 00p oo^+y s91 pe y^ apPy IrC^ OO °0. O°depends g on ite conditions and the delegated authority having jurisdiction. waste(recyde when pessiae) 1 IH THE sorsucruREs cores Tr. a 0 j° sw 8�O ° i I a
5 Remove leaking vehicles and construction equipment from service until the problem s-t -Y1 sou DEIAGS r.) - o
has been corrected A OR STA AMC..NEEDS TOM GLEAM PLES '^
SECTION E:GROUND STABILIZATION 6 Bring used fuels,lubricants,ceelants,hydraulic fluids and other petroleum products to SECTION A-A savetuAOE TSTRUCTURE DEVICE amnue NOTING V/ 6m
recycling or disposal center thathantllea these materials. wAsllou STREAM CHANNEL I-I< nO
Requited Ground Stabilization Timehames arr Ida l f 25. 25' Q o3
Stabd¢e within MINIMUM MINIMUM H
Site Area Description this many calendar Timefame vacations LITTER.BUILDING MATERIAL AND LAND CLEARING WASTE ea TON I I FIELDIN LOCATION^Ere^mNm TOP OF BANK ' TOP OF BANK
days after ceasing 1 Never bury or bum waste Place liter and debris in approved waste containers. u�jla ' m LL(
land disturbance 2. Provide a sufficient number and size of waste containers(e g dsnpsler,bash I�1 oo c PLAN Q
(a) Perimeter dikes receptacle)o site to contain construction and domestic wades_ 'n,v V%B> ( ,.� -•r-
wales,ditches,and 7 None 3. Locate waste containers a+least 50 reef away goo storm Grain inlets and surface waters By By r• mom„ _ CAPACITYPROVIDE REACHES MS OF SPE STRUCMISES N Q
perimeter slopes unless no other alternatives are reasonably available. - ley dOy INADEQUATE
MINIMS O Ln
b High Qua Water 4. Locate waste containers on areas that do not receive substantial amounts of ninon from z
Hove zoemes 7 Noce upland arena and does not drab directly to a storm drain,stream or wetland. loV��VlI'�u aw ore tSCONCRESE"INa,EaoE FREEBOARD.
won STANDARD TEMPORAR 1-1 Y STREAM CROSSING Q .0 rE
Ti 5. Cover waste containers et the end of each workday and before storm events or provide v ` oeAmfrrPu NEEDS TO e.E CAMAY SAWED eoa,em NO,.DeVICE.
(c) Slopes steepen I dopes are 10 feet or less in length and secondary containment.Repel or replace damaged waste containers. SECTION B-B OR amorist re U. ¢ 'Pv
-1
7 are not steeper than 2:1,14 days are 8. Anchor all lightweight items in waste containers duri timesof high winds. v'
E than 3:1n9 9 MOVE STRUCTURE Z
o allowed 7. Empty waste contains as needed to prevent overflow.Clean up immediately if AAoN..n O Z O I�
-7 days for slopes greater than 50-in containers overflow.containers r
3 length and with dopes steeper than 4:1 8. Dispose waste off-see at an approved disposal facility. CONCRETE WASHOUTS SLOPE Z �. O
-7 Gays for perimeter ones.swalea, 9. On business days,dean u 1. Do of discharge connate or cement slurry from the site_
of () pee ditches, ter slopes and HQW ys, p and dispose of waste in designated waste containers. de settled,hardened concrete residue in accordance wflh local and 12"30cm Z
tl 510 3:1b4:1 14 perimeter opeaa 2. Dispose a,army ( ) INSTALLATION U
Zones state solid waste regulations and at an approved facility. DETAIL itif9Z F J
tt -10 days for Falls Lake Watershed PAINT AND OTHER UOUID WASTE 3. Manage washout from mortar rakers in accordance with the above item and in addition `.z, -
-7 days for perimeter dikes,wales,tlimhea 1 Be not dump point and other liquid waste into shoo drams,streams or wetlands. place the mixer and associated matecals on impervious barrier and within Id perimeter 1. .&,....•: : b.,-1_a----- - 1 (I_ q.,. L LJ O 0
oI + slopes and HOW Zones 2. Locate paint washouts at least 50 feel away from storm dram Inlets and surface waters silt fence - ' 2„- c } i�ie��xT11 6" 1.Prepare sell before Installing rolled U Z
e Areas with slopes perimeter opera ] �k � 5" tne11 _
() pee unless o other acematives are reasonably available. 4. Install temporary concrete washouts per local requirements,where appliceble.If an :.':... S127 -(r?11F„1�-.t^u0., (l5cm) °msmn cowl 4....(REOPa), LL
flatter than 4:1 14 -10 days for Falls Lake Watershed unless .... •`u!... 1:.,11- "3 II- irvdudng aw necessoy J
m there s zero slope 3 Contain liquid wastes-n a controlled area alternate method or product's to be used,contact your approval authority for review S 1I_ ^-.n'1 1' - application of lime,fenif r,and
1 4 Containment must be labeled,sized and placed appropriately for the needs of sole. and approval.If local slandam detatis are not available,use one of the two types of I� ',1 �I0I L.M0 sand. '•N
Nate:After the permanent cessation of construction activities,any areas with temporary 5 Prevent the discharge a sops,solvents,detergents and other IIqukt wastes from temporary concrete washouts provided on this detail. - II_II•-r' Q Z Z o
ground stab I¢abon snail be converted to M d stabMlzabo as son as I[_+ © 2.spin at the top d he clops e Z D E
I permanent ground construction sites. 5. D°not use concrete washouts for dewafering or storing defective curb or sidewalk 1 It-It I I I I P anchoring he RECPe In _ O
practicable but in no case longer than 90 calendar days after the lad land disturbing surface
activity. sections.Stamwater accumulated within the washout may not be pumped Into or 'Irti--N i1 I 6' 661115cn)deep X 6115cm)was W J Z U (,
Li', Temporary ground stabe¢ztio shall be maintained in manner to render the surface stable discharged b the storm drain system a receiving surface waters.Liquid waste must be ® EC - (15cm) nA with appr or ea +2' o
against accelerated erosion until permanent ground stabilization's achieved. PORTABLE TOILETS pumped out and removed from project. ® (3ricm)M RECPs extended... Q o
j Be 0oslaoe paroon a Be bench. W =O
GROUND STABILIZATION SPECIFICATION 1_ Install portable toilets o level ground,at least 50 feet away from storm drains,streams 6. Locate washouts at least 50 fed from storm drain inlets and surface waters unless it Anchor de RECPc with a row of
techniqizeues
the ground sufficiently so Mat rain will not dislodge Be soil.Use one of he r wetlands unless there is no alternative reasonably available.If 50 foot offset a not can be shown that no other I)I de vI are reasonably available.At a minimum,install stapes/stakes approximately 12-
U Z LU cp
o attainable,provide relocation of portable tel behind silt fence or place on a gravel pad protection of slam drain role+(s)Goest b he washout which could receive spills a 13Pcm)open In the bottom a tat U LU
+echngpes in the table below: trench. Backlit and cramped the ¢ m
antl surround with saoh bags. Locateoverflow.
o Temporary Stabilization Pemrenenl5tabif file trench after stapling.APpY sretlb = o
Pemreeenl seed covered wins straw 2. Provide slaking or mending of portable toilets during periods of high winds or in high 7. Locale washouts in an easily accessible area,on level ground and install a shoe the compacted ale l dude lea ire
Temporary grass seed covered with abaw or 9r4ss (Dot traffic areas. entrance din front of the washout Additional controls may be d b the repeal In iT 38011 '':;.1`
dbn ol 11 0 3 w
other mulches and tackifiers. or other mulches and tackifiem pa y require y n g ( H
3. Monitor portable toilets for leaking and dispose ofleaked material.Utilize a approving authority.
RECPs back war me seed and _
Hydrosemirg •Geoteztile fabrics such as permanent soil P ng Propek pose°anyea '�;�,�li,��7I mpaded soil. Secure REOPa -
✓ -Rolled erosion control products with or reinforcement matting licensed sanitary waste hauler to remove leaking portable tollets and replace with 8. Install at least one sign directing concrete trucks b the washout within the project limits. .V`.t;Ct�W ®� •' ••-•• - = ever .soil.cell web a row Q LU
tlroseedin Property operating unit. Post sgnage o the washout itself to identity this location `C t t % .�^1
% winmontemporarygoeseeetl 'HY 9 •\ttt\\ ' I /I jj fl-II-1 m wstepleslstakes spaced Z In
3 Agxopsaletyap°lied snawcr otter mulch 'Shrubs Or other permanent plantings 9. Remove leavings from the washout when at approximately 75%capacity to limit
\tit tt\� / �t il,%/•II II IL- appmamarely nP"12'(30vn) apart
Plastic sheeting covered with mulch oveMow vents.Replace the tarp,sand bags or other empoary structural t\'\tt / 7 1:t _ e
/u -Uniform and evenly distributed ground over EARTHEN STOCKPILE MANAGEMENT components when m longer functional_When utilizing etemative or proprietary
ttryl, Z \,delft t yi I �I c°es he WMh of the RECPa.
t\t`tt\\'�t y , ar �-•6St I' I i m L.M. a.R°II me yECPa s2 drawn the Ire: 0 Q
sumdent b restrain erosion 1. Slew stockpile locations o plans.Locate eaMen-material stockpile arms d least 50 products,follow manufacturers instructions. ,\t\\\\\ t t\t\t\t _ Trf O"taI
-Structural methods such as concrete, (set awe from storm drain inlets,sediment basins,perimeter sediment mnbols and 10.At the completion of the concrete work,remove remaining and dispose a in an ttr5t%tt\tt\t / �t�4\ttt ttiGl{7 -III-II II I site wit unroll wiUl appmpdNe Z _
UI asphalt a retaining walla y P g leavings a^ spose �t ttttt3\`t`:. / $\t6t =J�1 H I-U I-II-II- ore agalnd he Gall aedace. ad
Rolled erosion control products with grass surface waters unless it can be shown no other al+ematives are reasonably available. approved disposal facility.Fill pa,if applicable,and stabilize any disturbance causer)by 111111.11111N5
t ttt``�\tt tt\tt, / ,�t`t`t`t = -III- �I RECPs must be sewrery fmtaned Q
<1 seed 2. Protect stockpile with silt fence installed along toe a slope with a minimum offset of five removal ofwachout. Atts}ttttttt\� )\t t t III-III_ _ soil sane"
feel from the toed stockpile. \t\t t\tRA , t\S��` LL J1 atapleslsskes w beppmgiw8 Xz �,
cs\t`t ® / :�^`` `w>71-IJ1=IIf- II 1 ncadena a+smash in d e maps :2...
3.
3. Provide stable stone access pant when feasible. tttttt� ///////��/l/ I -I 1=1 1=1 =1 LI-I 1- pm am guise
POLYACRYIAMIDES(PANS)AND FLOCCIAANIS /. Stabilize stockpile within the timefiames provided o this sheet and in accordance with HERBICIDES,PESTICIDES AND RODENTCIDES ,�tttttl�V / t0� - 4.The°ages of parelld RECPe mot 11
the approved plan and any additional t t\t\t\ e / \ -_� II D� ba espied vdh epproximesly Y '^
1. selectng from nla that are appropriate for the s°Ms being exposed during construction, vegetative,physical or chemical coverage re
quirements.
Ms.Soil i wbilre do iaac defined 1. Stare and apply bemiddes,pesticides and roeendeaes in accordance with label ; tt�t,"`tt tt t t s•- tt\ttttt - s V I
selecting from the NC DNR Lief of Approved PAMSrFbcculots. 9e coverage m ngces restrictions. �t tttt\t \t\t\\t`tt\tt\t\Ntt\f\ • \ - - �'(s1]son)overlap eapenaing O
2. Apply fl°mulante at or before the inlets b Erosion and Sediment Cobol Measures. erosion on disturbed soils for temporary or permanent control needs. 2. Sore herbicides,pesticides and mdenticides in their original containers with the label, Ott`I`1111111�1111t�t\�tt�!r / .•�t`tt`tt`ttt�` - - 5.Consecutive R the RECP's E pa spliced down o
% 3. Apply flocoulante at the concentrations specified in the NC DWR List of Approved which lists directions for use,ingredients and first am steps In case of accidental ,tt tt�tt`\<i``t`\t`\t6`tt`tt\`NNt�t t l; t -I)-' the slope must Pe ere over end n
PAMStFbcmlanis and ia accordance with the manufacturers-nshuctons. poisoning. tttttttt�\V�`�tt)tttt�tat�tetii�s 't 1 I-U'- (Smogs data)wnh an approximate
HAZARDOUS AND TOXIC WASTE \thatch%1 t%Cvtt t\� - % tt`tt Y -J11- 3-(7.scm)eyed..Stap a through LU
4. Prontle ndin for onto amen+of[reatetl starmvater before d soha Ifsite. 3. Do not store herbicides,pesticides and rodentictlea m areas where flooding is pros tole
o po garea discharging - overapped area meetly
1_ Create designatetl hazadouc waste collection areas onstle. or where they may spill Or leak into wells,sbmmwater drains,ground water or surface - 1T 30cm
5. Store tided by
in leak prod containers that are kept under don reactant corer a ( ) apart xrws °
j surrounded by secondary containment structures. 2. Place hazardous waste mntaipers under cover secondary containment. water.Ka sell ocwrs,Geanareaimmedately. +=IL-II�III?II.�IIrr RECPe waN.
3_ Do net store hazardous chemicals,drums or bagged materials directly on he ground. 4. Do not stockpile these materials onsite. L57 '9IIF.II=11W 11 -
'� Omen°Ms To aunt +
NOTE:
NORTH Disclaimer: Iona conditions,me used 108 Na
N6RTH tARLAHCA--__ 1,1 NORT CAN The information presented herein agal.are a«'Ie information only.For medr°.pplo-rim. step am Iarquu greater men
Envtm+mentatQuallty NCG-01 GROUND COVER&MATERIALS HANDLING GREEN consult anI.ependentprofessionalforhlrherdesignguidance. 6-(15m) y ha necessary b 'or> h Rs' 45458
EFFECTIVE DATE II/122020 sun se waned-Cynhia.Rd. PH:6W-77LgOW property secure the RECP+
E P°reyrBIF IN 4]6.0 www.oegreeo.cpm I Drawn en.a+t7 u aII a 'h
•E *Yy
SHEET NO.
C5.8
L

z
O
o Dare. / fir.
� Pam' NOTES: CONSTRUCTION NOTES: ``hy111 CA�IO/y///
a5 �6 / ,=` 1. TEMPORARY DIVERSION DITCH TO BE USED TO INTERCEPT FLOW AND/OR DIVERT TO A SEDIMENT CONTROL MEASURE OR BMP. HEIGHT&EXISTING WIDTH
TOPO DETER AINED ND BY
TOP ELEVATION OF STORMWATER ��-FESS/O•`,'li. V7i
g O •-�• 2. SILT SHALL BE REMOVED WHEN DITCH IS ONE-HALF FULL. SEDIMENT STORAGE REQUIRED. ,I` 2:Q. y•9 1..
z
sl,:>��u #5 WASHED 1 MAX _ :6 SEAL r•• o
p \' / YTY` �� 3. BITCH SHALL BE RECONSTRUCTED WHEN DAMAGED BY EQUIPMENT OR COVERED BV FILL. KEV RIP RAP INTO THE DAM I _. STONE Ti A - 043120 _
cY`1t FOR STABILIZATION. p
J I'"1 I .'"i -
0 4. STABILIZE DIVERSION DITCH BERM WITH TEMPORARY SEEDING,MULCH WITH TAC AND/OR EROSION CONTROL NETTING.
3 ` / =Y $0. EXISTING SLOPE .�•` - t N iGINE ill \\\�
- - \ VI
I-y.I'.y04,jr.ri I•I'Y•• 00/ 5. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK AND AFTER EVERY RAINFALL.IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW AREA AND -A '/// a \\\ O
o �= =•�m�•= '. �Frof REPAIR THE DIVERSION RIDGE.CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED.WHEN THE AREA PROTECTED IS EXISTING SLOPES Si RIP-RAP iy///H.l BE``�\ o
-�`�•1•�•��•.4010�.i't•, OF PERMANENTLY STABILIZED,REMOVE THE RIDGE AND THE CHANNEL TO BLEND WITH THE NATURAL GROUND LEVEL AND APPROPRIATELY VARIES
>J:ZJ��-•��Cy�..•�• �y�`� �LI L NO/ISg STABILIZE IT. Z
o
►•�•we•.•4•�•�•►•► Y•�•a•►, = SIDE VIEW
fi . . . . .... . . . . . . . ... - VARIES i i el,. N
• • • • • • 1'+ • • • • • • • • I •
r.F1. Y C-�f� 2'MIN - -
•,_a cook_ � -ci7o ••7•.•�•�ii.- IT, if
s1 WASTE MATERIAL-COMPACTST SMin. I � �'"�'�' NGGROU� � f . � . � hA
O. ��--- --�� STEP SEQUENCE o
• a
Construction: Maintenance: •
I- 12 NOTES: I%1°i �n
1.Clear the entrance and exit area of all vegetation,roots, 1.Per NCG-01 inspect at least once a week and after each 1 -III- -III-III- N J a w ,5
Iand other objectionable material and properly grade it. inch or greater rainfall;make any required repairs1 III IIIIIII INSPECT CHECK DAMS AND CHANNELS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT(1/2INCH OR GREATER)RAINFALL EVENT AND REPAIR IMMEDIATELY. S 0 V
2.Place the gravel to the specific grade and dimensions Immediately. CLEAN OUT SEDIMENT,STRAW,LIMBS,OR OTHER DEBRIS THAT COULD CLOG THE CHANNEL WHEN NEEDED. m Z Z
shown on the plans,and smooth it. 2.Maintain the gravel pad in a condition to prevent mud Sr .. f a N
3.Provide drainage to carry water to a sediment trap or sediment from leaving the construction site.This may 2. ANTICIPATE SUBMERGENCE AND DEPOSITION ABOVE THE CHECK DAM AND EROSION FROM HIGH FLOWS AROUND THE EDGES OF THE DAM.CORRECT ALL F F- U) Q
DAMAGE IMMEDIATELY.IF SIGNIFICANT EROSION OCCURS BETWEEN DAMS,ADDITIONAL MEASURES CAN BE TAKEN SUCH AS,INSTALLING A PROTECTIVE RIPRAP S m 5 m
$ other suitable outlet. require periodic topdressing with 2 inch Slone. LINER IN THAT PORTION OF THE CHANNEL(PRACTICE 6.31,RIPRAP-LINE AND PAVED CHANNELS).
a CROSS SECTIONAL VIEW °l s w
4.Use geotextile fabrics in order to improve stability of the 3.Immediately remove all objectionable materials spilled, °, (-
foundation in locations subject to seepage or high water washed or tracked onto public roadways. 3. REMOVE SEDIMENT ACCUMULATED BEHIND THE DAMS AS NEEDED TO PREVENT DAMAGE TO CHANNEL VEGETATION,ALLOW THE CHANNEL TO DRAIN THROUGH t ¢O
table. THE STONE CHECK DAM,AND PREVENT LARGE FLOWS FROM CARRYING SEDIMENT OVER THE DAM.ADD STONES TO DAMS AS NEEDED TO MAINTAIN DESIGN F O.
HEIGHT AND CROSS SECTION. 0
8hkdacgnio=i'Q 0/0 CONSTRUCTION ENTRANCE/EXIT vi o
EFFECTNE DATE"'12,20
STANDARD TEMPORARY DIVERSION DITCH STANDARD CHECK DAM o 0
x G
L,
0 o
0 0
3 / CLASS 1 RIP RAP(SEE NOTES: < Date: Steel Post Pia' a Date: Page: = J
\- �I // / SECTION THRU BASIN g 0 gi
\N \ \ r //BELOW 1. INSPECT ROCK PIPE INLET PROTECTION AT i 8'Max.Standard Strength fabric with wire fence [ 4•MN SLT FENCE
/ 7 LEAST WEEKLY AND AFTER EACH SIGNIFICANT 8'Max.Extra Strength fabric without wire fence H E F i
/ ('/a INCH OR GREATER)RAINFALL EVENT AND Constructbm Wire Fence $ e e e e 2 Q
•
"/ REPAIR IMMEDIATELY.REMOVE SEDIMENT AND 1. Construct me sediment battler of standard strength or antra strength J g - - - Q
\\ \1I I I // �- //" / RESTORE THE SEDIMENT STORAGE AREA TO Ensure
fabrw , m + Z
ITS ORIGINAL DIMENSIONS WHEN THE 2. Ensure that the height of the sediment fence tlDBs not exceed 24 Plastic or O o
\\\ � -F RIP RAP HEADWALL SEDIMENT HAS ACCUMULATED TO ONE-HALF �' riches above the ground(Higher fences may impound volumes of Wire ties 'I -'E I I I I I I I V' DATE
---,loll*
, THE DESIGN DEPTH OF THE TRAP.PLACE THE 3 water sufficient to cause tel of the structure.) I 3 - 1
_ £ �� - . / / SEDIMENT THAT IS REMOVED IN THE 8 3. Construct the filter fabric horn a continuous roll cut to the length of the I I, 1$-24' �. • 09/14/2023
_ -=- -^-` m barrier to avoid joints.Whenjoints are necessary,securely fasten the
I
DESIGNATED DISPOSAL AREA AND REPLACE
�j '.- #5 WASHED STONE. THE CONTAMINATED PART OF THE GRAVEL a filter Moth only atasupport post with 4 feet mnmum ovanap to the - a - - P DRAWN BY
/////ll���lll/j///jll'%/ I'-0"THICK x 3'-0" FACING. next post. ' , $ TOP OF SILT FENCE a'•!`. -•- .
�st.o,MENT % HIGH MINIMUM o' 4,Support standard strength filter fabric by wire mesh Mstened securely - MUST BE AT cseTt y 331
STORAGE AREA-"0' 7 2. CHECK THE STRUCTURE FOR DAMAGE.ANY to the upsiopo side of the posts.Extend the wire mesh support to the ? ABOVE THE TOP OF
/ ////I I \\\\\' / RIPRAP DISPLACED FROM THE STONE m bosom of the Trench.Fesren the wire reinforcement,then fabric on the "I I� 8"down&4" g THE WASHED STOfE -' ". A_ -
HORSESHOE MUST BE REPLACED upsbpo side of the fence post WIre or plastic zip ties should have a forward along the -' • DESIGNED EU
/ minimum 50 ra tensile afire ih. 24 '� .- .•=:tc,'.:` .J.-'. . . _
/ / IMMEDIATELY. o pou rig trench g
• 5. Wlren a wire mesh support fence is used,space posts a maximum of E. • 331
/v0 I ' 3. AFTER ALL THE SEDIMENT-PRODUCING AREAS i 8 feet apart.Supports should be driven securely into the ground a Filter Fabric $ STEEL FENCE POST
/ minimum of 24 inches. - - ���•'',
PERSPECTIVE VIEW HAVE BEEN PERMANENTLY STABILIZED, Wire Fence $ WRE FENCE • CHECKED BY
/ / NO SCALE REMOVE THE STRUCTURE AND ALL THE 8. ExtrestrengmfxerfabricwiM6fee[poslspocingdoesratrequire Fitter Fabric FRONT VIEW
/ UNSTABLE SEDIMENT.SMOOTH THE AREA TO wire mesh support fence.Securely fasten the filter fabric directly to \ MVZ
BLEND WITH THE ADJOINING AREAS AND • posts.Wire Or plastic zip figs Should have a minimum of 50 pound _ HARDWARE CLOTH \ 8Ut1"°� ce : •
tensile strength. Plastic or \\\ FILTER FABRIC,
PROVIDE PERMANENT GROUND COVER og Wire Backfill trench p AND HARDWARE SCALE
(SURFACE STABILIZATION). 7. Excavate the trench approximately 4 inches wide and 8 Inches deep = FILTER OF I#ST CLOTH N TRENCH
-SEDIMENT STORAGE g along the proposed line of the posts and upslope from the barrier. and Compact
STEEL FENCE POST
< WASHED STONE N/A
AREAS TO BE DISTURBED RIP RAP v 8. Place 12 inches of fabric along the bottom and side Of the trench. thoroughly M y SET MAX 2'APART •
(CUT,FILL,ETC.) FLOOD STORAGE ZONE 9. Becldill the trench wkh soil placed Over me filter Iabnc and cempact. Steel Post - o 0 4 MIN.1B•INTO SOUR
HEADWALL- Q GROUND •
+1+2'
t _u E, Thorough a compaction of the backfill is critical to silt fence _� _ 8� 3'FILTER FABRIC
pppp,, `� ON GROUND NOTES:
F 1 PE
INVERT NATURAL GROUND 10 Do not attach filter fabric to existing trees. . UpSIOpe oG�§,pw 1. Hardware cloth and gravel should overlay the silt fence at least 12 Inches. •
IQW 3• 4' f g O$q�� 2. Stone outlets should be placed on low elevation areas of sift fence and
1.5 Maintenance. Mi[t.. e s
�� FLOW y o D based on field mntlieons.
i \1 5, - _ - _ 1. Inspect sediment(antes at least once a weak and after each 1 inch 8"min. e p pypg'
reiMall.Make any requiretl repairs immetliarely. ` U_
In, �I II III-lit /// \\ MAINTENANCE:
CLASS 1 RIP-RAP � 2. Should the fabric of a sediment fence collapse,tear,decompose,or 24" / 1. Per NCG41,ins
MAXIMUM SEDIMENT DEPTH become ineffective,replace it promptly. i
pactoutlet atlest Ono ra week and aftereach1 inch O a#S WASHED STONE M 3. Remove sediment dBposfe as necessary t0 provide etlBgUatO storage BURY WIRE FENCE BURY C OF UPPER EDGE OF OrgreaterrefrfaleventCompleteanyrequiredrepairsimmedlarely.(CLEAN OUT POINT) Freshen stone when sediment accumulation exceeds 6 inches.KeeO N$ volume for the next rain and reduce pressure On the fence.Take Wre ANO HARDWARE CLOTH FILTER FABRIC IN TRENCH p -2O3 to avoid undermining the fence during cleanout. mesh free of debris to provide adequate flow. ') ?0
SECTION THRU CATCH BASIN. FILTER AND CULVERT PIPE 4.Remove all fencing materials and unstable sediment deposits and 2. Remove sediment when half of stone outlet is covered. J
bring the area to grade and stabilize lt after the contributing drainage SECTION VIEW 3. Replace stone as needed to facilitate de-watering. _ S
NO SCALE area has been properly stabilized. CROSS SECTION VIEW Q c
th`%Enrlronmenalq aiIny 1d_`) RWo ie/t Quollry °
STANDARD HORSESHOE INLET PROTECTION SILT FENCE SILT FENCE OUTLET LU c
Ti EFFECTIVE DATE:11/122020 EFFECTIVE DATE:11/1.020
WOOD STAKE OR Ms -1e MIN NOTES: Oko Z
METALROPE
p=. 100TI // TOP OF I. BAFFLE MATERIAL SHOULD BE SECURED AT THE BOTTOM AND SIDES USING Q
-o 1 TARP PRo L ORCH AND BURY'ARP STAPLES OR BY TRENCHING AS FOR SILT FENCE.
IR EINc EDGE WK.") VENT SCREEN ACCESSIBLE THROUGH DOOR U Q r^ -
rF"�` 2. MOST OF THE SEDIMENT WILL ACCUMULATE IN THE 1ST BAY,WHICH SHOULD S V'
I'1 al BE READILY ACCESSIBLE FOR MAINTENANCE. ROPE FOR MAINTENANCE Q L ZJ- W
a !�
L./
j L
INFLOW SECTION THRU WEIR I SECURED TO WOOD OR r _
F STRUCTURE W , at cell 3. PROVIDE 3 BAFFLES(USE TWO LESS THAN 2°FEET IN LENGTH).PROVIDE 5 METAL STAKE BEYOND z O' O
y\ al BAFFLES FOR DRAINAGE AREAS GREATER THAN 10 ACRES.
_ALgllllt NOTES: I THE EDGE OF THE BASIN iL Q
"'��+1 I SrtoTBeain " I 4. BAFFLE SHALL BE7000LDBERNCHES OWERTET. (n U Z -0
1-"'tip_ £ 1. INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND I -u au area zurface area II (42 =
rP
�Mlaj� AFTER EACH SIGNIFICANT(ONE-HALF INCH OR GREATER) I ZO E 5. TOPS OF BAFFLES SHOULD BE 21NCHES LOWER THAN THE TOP OF THE Z I 1 r J ,.a
RAINFALLEVEMANDREPAIRIMMELIATELY.REMOVESEDIMENT I I BERMS. LLI r� O
AND RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS WHEN Li
oI SKIMMER SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT OF THE I II 6. INSPECT TEMPORARY SEDIMENT BASINS AT LEAST WEEKLY AND AFTER U Z
jl DEWATERING EMERGENCY FIRST BAFFLE.PULL THE SKIMMER TO ONE SIDE SO THAT THE I EACH SIGNIFICANT(1/2 INCH OR GREATER)RAINFALL EVENT AND REPAIR FLOAT ,J UJ
DEVICE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED.EXCAVATE THE I I IMMEDIATELY.REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL FLEXIBLE JOINT } °
SPILLWAY SEDIMENT FROM THE ENTIRE BASIN,NOT JUST AROUND THE I L' DIMENSIONS WHEN IT ACCUMULATES TO ONE-HALF THE DESIGN DEPTH. (RADIATOR HOSE) Q W Z Z ''N
ilt.
SHIMMER OR THE FIRST CELL.MAKE SURE VEGETATION GROWING II li r PLACE REMOVED SEDIMENT IN AN AREA WITH SEDIMENT CONTROLS. ifin L �
-� IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE Z r O
h =�� SKIMMER. -_ T. CHECK THE EMBANKMENT,SPILLWAYS,AND OUTLET FOR EROSION DAMAGE, OUTLET END:CONNECTION Z 0 f \ o
2. REPAIR THE BAFFLES IF THEY ARE DAMAGED.RE-ANCHOR THE AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT.MAKE ALL TO OUTLET PIPE OR RISER • BARREL PIPE LONGER THAN SHOWN. Q LI r a o
% BAFFLES BAFFLES IF WATER IS FLOWING UNDERNEATH OR AROUND THEM. PLAN VIEW NECESSARY REPAIRS IMMEDIATELY.REMOVE ALL TRASH AND OTHER 1 1 1 u
DEBRIS FROM THE RISER AND POOL AREA. ,, W UJ O
B PLAN VIEW 3. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER I�j1WILjJll))jj��I, Q /� Q Z r,\
p IN THE BASIN,USUALLY JERKING ON THE ROPE WILL MAKE THE U /E L < LU ,�
SKIMMER BOB UP AND DOWN AND DISLODGE THE DEBRIS AND V
0 RESTORE FLOW.IF THIS DOES NOT WORK,PULL THE SKIMMER = _ Z c
0 0
OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS.ALSO CROSS SECTION NOTES: II
TOP OF BER CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS -
BAFFLES STD CLOGGED'IF SO REMOVE THE DEBRIS.(STD)
SUPPORT ROPE SUNTRO BOTTOM 1. INSPECT ELY. EMOVESEDIMENT AND RESTORE THE BASIN AFTER ORIGINAL
DIMENSIONSI ONEHENS DIM N GREATER TEST ONE-HALF
THE HEIGHT e INFLOW EMERGENCY ( I 0 Q
TO WIRE TO 24"INTRO IMMEDIATELY.REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL WHEN SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT
STRUCTURE SPILLWAYSTAKE TOLU ifr///�\\ SKIMMER ELEVATION 4. IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED,THE ORIFICE FENCE AND FABRIC PREVENT SAGGING OR SIDE OF THE FIRST BAFFLE.PULL THE SKIMMER TOONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED.EXCAVATE THE SEDIMENT FROM
/ �L CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITHA SUPPORT WIRE ''^^ _
BURIED IN TRENCH THE ENTIRE BASIN,NOT JUST AROUND THE SKIMMER OR THE FIRST CELL.MAKE SURE VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT z v/
S PLUMBER'S SNAKE OR BY FORE REPOSITIONING WITH WATER.BE SURE AND
_STEEL POST Q ..
REPLACE THE ORIFICE BEFORE THE SKIMMER. HOLD DOWN THE SKIMMER.
/j DEWATERING
ZONE 5. CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY
1'MIN 2. IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN,USUALLY JERKING ON THE ROPE WILL MAKE THE SKIMMER BOB UP AND z
6) ZONE
�-i.- REQUIRED REPAIRS WITH FABRIC THAT SPANS THE FULL WIDTH 8"%8"TRENCH, I DOWN AND DISLODGE THE DEBRIS AND RESTORE FLOW.IF THIS DOES NOT WORK,PULL THE SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVE
FREEBOARD OF THE SPILLWAY.CHECK THE EMBANKMENT,SPILLWAYS,AND BACKFILLED AND I 2 1��I``` THE DEBRIS.ALSO CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE IF IT IS CLOGGED;IF SO REMOVE THE DEBRIS.
-
OUTLET FOR EROSION DAMAGE,AND INSPECT THE EMBANKMENT COMPACTED LI
al _ _-_- FOR PIPING AND SETTLEMENT.MAKE ALL NECESSARY REPAIRS '-`- I I I I I 3. IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION CLEARED WITH A PLUMBERS SNAKE OR BY �f
INLET SHALL BE PROTECTED IMMEDIATELY.REMOVE ALL TRASH AND OTHER DEBRIS FROM THE `
(AS NEEDED)FROM EROSION CROSS SECTION 4"PVC OUTLET PIPE DISSIPATER SKIMMER AND POOL AREAS. SECTION VIEW AT OPENING COIR MESH OR SIMILAR,STAPLED OR FLUSHING WITH WATER.BE SURE AND REPLACE THE ORIFICE BEFORE REPOSITIONING THE SKIMMER. O t E_
° WITH RIPRAP,TARP,MATTING PAD TRENCHED INTO BOTTOM OR SIDEX I--1
RIP RAP S. FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. 4. FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN.SOME SPECIAL PRECAUTIONS SHOULD BE TAKEN IN THE WINTER TO PREVENT THE i
OR EQUIVALENT. SOME SPECIAL PRECAUTIONS SHOULD BE TAKEN IN THE WINTER SKIMMER FROM PLUGGING WITH ICE. V/
LLi TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE. 0
LU
STANDARD SKIMMER BASIN STANDARD BAFFLES DETAIL STANDARD SKIMMER DETAIL X .>
lL
i
i
o JOB NO.
E Worthily 45458
E rO' a° "' SHEET C5.9
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Date: Page:
Single-lap spliced ends or begin new ��```N CARD��i� 0
' roll in an intermittent check slot OQ-OES S/OH�y
wwNE wiTxsrea�E aumPzoNE lul 6•Min to Overate bulking
chorMdnh i ? 9•• ` 0
• Overlap2-a SEAL 9
I allow Dulkl g a V
daring seedbed ` P 114312o
no.emoaoN BEDROCK�"' xPwAx o W '�0" 1 Prepare soil and apply seed before FLOW p
\ RowsLTs<ReeN �,� DeMgn ph installing blankets,mats or other 1 i ✓�, GINE •,,��'
3 temporary channel liner systems
A -*% H.BES+t',`� 0
�///1111111ty�` ~O
m z
INV.NOSE
18.
o
T ®ir, '1 a I P, '°I I t*,, sis a....-,.. �� o
I I `' �� o l7
11 tir _ NOTES: z
• Typical installation with erosion control blankets or turf reinforcement mate V
CHAINLINK 1 1/2"-2 1/2"DIA GALVANIZED /) w n 1. Terminal anchor trenches are required at RECP ends and
CONSTRUCTION Il. 10'O.C.MAX. OR ALUMINUM POSTS .) o / intermittent check slots must be constructed across n E a
FENCE nose \ }}} _ j,(•/Li G -� z E O
TOP RAIL sc \ oLwa mN. C _ IOW
channels at 25 foot intervals.Terminal anchor trenches i z ('n
1 - - - - - - DIVERSION PUMP Q 6���1 should be a minimum of 12 inches in depth and 6 inches Q 3
in width.Intermittent check slots shoukf be 6 inches deep o IM-v LD
4'MIN W1HR ,� Bran 6 \ J and 6 inches wide. a ri z ce
`Intermittent check slot Longitudinal anchor trench Terminal slope and channel anchor trench 2. Design velocities exceeding 2 feet/secend require a c g m 0
Stakes at �` temporary blankets,mats or similar liners to protect seed a u° a
NOTES:I. WORK PREP TO BE STABILIZED PT THE END OF EACH WORK DAVQ ���. 3'S'intervals -� ♦ z ._m
T AROUND OPERATIONS
and soil until vegetation becomes established _
CHANNEL FOR
ON AT iliE END OF
Grass-lined channels with design velocities exceeding 6 3 ;LL n0, o d
z-3 iNE PIPING SO THAT PIE WATER 1,FaNFN wLL6eAFFRo APPROVEDFRoR r �� t��111� _.:-',.....,3. feet/second should include turf reinforcement mats. o o N
Y y` ,� 4. Check slots to be Constructed per manufacturers v+ �,. z
_ _ r Initial channel anchor trench '-�%� specifications. F c d to Q
\�� -� _ 5. Staking or stapling layout per manufacturers specification. o m 'IS
IIIII IIIII SILT FENCE MI IIIII E FASTENERS IIIII IIIII CONSTRUCTION SEQUENCE a \ -1' �;� 6. 11 gauge,at least 6 inch by 1 inch staples or 12 inch W
OVERLAP FABRIC 3-p• minimum length wooden stakes are recommended for o
-I I 6^MIN AT ENDS -I I= (TYP) -I I= STEP 1 PERIMETER CONTROLS) STEP 2 STEP 3 �� g( rt\j Check Slots at 25' N a
IIIIILIIIIII IIIIIUIIIII IIIIILIIIIII anchoring.
1. PRIOR TO CLEARING TREES,GRUBBING,OR DISTURBING 1. APPROACH STREAM AND 1. GRADE STREAM CHANNEL SUCH THAT intervals 7 Do not stretch blankets/matting tight-allow the rolls to a
II III_ =IIIII_ -I I III THE SITE,CLEAR A 15.WIDE STRIP OF TREES AND INSTALL REPLACE CULVERT BEDDING STREAM WATER IS DIVERTED INTO PIPE 1. p Z
DOUBLE ROW OF SILT FENCE AND A REINFORCED SILT SOILS WITH STRUCTURAL FILL `D, MAINTENANCE: conform to any irregularities. L i O
FENCE OUTLET ALONG THE TOP OF NORTHERN STREAM AND COMPACT SOIL TO 95%. 2. KEEP PORTION OF COFFER DAM IN PLACE ce H
BANK.DO NOT CROSS OR IMPACT THE STREAM. COORDINATE WITH OWNER'S FOR ADDITIONAL SUPPORT OF PIPE 1 IF 1, Inspect Rolled Erosion Control Products at least weekly and after each significant(1 inch or greater)rainfall event;repair immediately. 0 5
GEOTECHNICAL TESTING NEEDED. 8 2. Good contact with the ground must be maintained,and erosion must not occur beneath the RECP. s o
2. ENTER THE SITE CLEAR A 15'WIDE STRIP OF TREES AND AGENCY. 3 3. Any areas of the RECP that are damaged or not in close contact with the ground shall be repaired and stapld. 0 o
INSTALL DOUBLE ROW OF SILT FENCE AND A REINFORCED 3. REPLACE CULVERT BEDDING SOILS WITH
TOP RAIL SILT FENCE OUTLET ALONG THE TOP OF SOUTHERN STREAM 2. INSTALL CULVERT PIPE 1 IN THE STRUCTURAL FILL AND COMPACT SOIL TO 4. If erosion occurs due to poorly controlled drainage,the problem shall be fixed and the eroded area protectd.
BANK.DO NOT CROSS OR IMPACT THE STREAM. DRY.(DURING INSTALLATION 95%.COORDINATE WITH OWNER'S 5. Monitor and repair the RECP as necessary until ground cover is established. r
POST OF THE CULVERT,EXPOSED GEOTECHNICAL TESTING AGENCY. 0
FASTENERS gi
3. CONTACT THE CIVIL ENGINEER FOR AN INSPECTION OF THE AREAS NOT BEING WORKED ,
6'BETWEEN INSTALLED SILT FENCE AND WHEN APPROVED,INSTALL SHOULD BE STABILIZED.) 4. INSTALL PIPE 21N THE DRY.(DURING 'y.'•:NORTH CAROLINA .. PS
(TYP) THE REMAINING EROSION CONTROL MEASURES SHOWN IN INSTALLATION OF THE CULVERT,EXPOSED 6.Enu ronmenralQuality ROLLED EROSION CONTROL PRODUCTS(RECP)FOR CHANNELS
CONSTRUCTION SEQUENCE STEP 2 AND 3. 3. FILL OVER PIPE 1 TO ELEVATION AREAS NOT BEING WORKED SHOULD BE U 0
SILT FENCE EXTENDED NOTES: 273 AND INSTALL RIPRAP.KEEP STABILIZED.) Z O
INTO TRENCH 1.MAINTENANCE SHALL OCCUR WHEN NECESSARY.SILT FENCE SHALL 4. STABILIZE DISTURBED GROUND WITH TEMPORARY STREAM FLOWING. O
BE REPLACED EVERY 6 MONTHS AND POSTS SHALL BE INSPECTED SEEDING AND TEMPORARY SLOPE LININGS DAILY. 5. DO NOT DISTURB BEYOND 5LF OF THE N DATE
SILT FENCE TO ENSURE STRUCTURAL INTEGRITY.SILT FENCE SHALL BE INSPECTED 4. SURVEY THE EXISTING NORMAL RIPRAP PADS(STREAM BED IMPACTS j
WEEKLY AND ALL MAINTENANCE ISSUES SHALL BE CORRECTED 5. COORDINATE WITH CIVIL ENGINEER ONCE CENTERLINE OF STREAMBED ELEVATIONS AT SHALL ONLY BE WITHIN THE LIMITS Si 09/14/2023
AT THAT TIME. STREAM AND ALIGNMENT OF CULVERTS ARE CONFIRMED THE UPSTREAM AND AUTHORIZED BY THE NATIONWIDE SHINOW ZLlS SI
DOWNSTREAM ENDS OF THE PERMIT). 301S OW WOJ108BlOT OlaeV3303311 NOIS30 1?-
2.6" PRIOR TO INSTALLATION. 03H0N3H1'3111r SO H53151300
SILT FENCE SHOULD BE A MINIMUM OF 5 FEET FROM THE TOE OF SLOPE. 1VA021ddtl N01103dSNl DRAWN BY
PERMANENT CULVERT PIPE.
- 3119 31 10 aOlad oNV E1V1S 3 a1SN00 NOdn
S"X 4"TRENCH q^ 6. INSTALL COFFER DAM AND PUMP WATER AROUND THE RECORD THESE ELEVATIONS 6. INSTALL ROAD AND REMAINING A131W03WW10321TISVIS 3e 1SnW SNISVB'2 331
EXCAVATED UP WORK AREA. FOR FUTURE REFERENCE. INFRASTRUCTURE. NI £
SLOPE FROM - 51311r1001 SJ3lNl WOa3
POLES,BACKFILL LJ 7. COORDINATE WITH NCDEQ TO INSPECT PUMP 5. STABILIZE DISTURBED GROUND 7. INSTALL ADDITIONAL EROSION CONTROL1\ ) \ DESIGNED BY
AND COMPACT PASS-AROUND DEVICES. WITH TEMPORARY SEEDING DEVICES AS REQUIRED DURING `31IM 1.IOddnS ��`2 maw.1 MOHS 1N3A3Nd 01 WV03H1 WOW
XVW.Y AVMV NISVB 3H101 MO13N11N3W1035 31'3001'L
AND TEMPORARY SLOPE CONSTRUCTION. 01 MOLLS • 331
LININGS DAILY. saw a0 ONIODVS1N3A3Ld :S310N
B. STABILIZE DISTURBED GROUND WITH WOJ108 01N1 AZ 013NIM 01
TEMPORARY SEEDING AND TEMPORARY 1SOd 1NOddnS 330812OddGS • CHECKED BY
SLOPE LININGS DAILY. 1IVIRO 3lddVB • MVZ
TEMPORARY PUMP PASS AROUND DETAIL - ty.yE_I� aolvdISSIO 0 • SCALE
NOT TO SCALE V321V 30V3SAS 30%SC 3NOZ La-LLn0 bs -O ADa3N3 3NO1S • N/A
Jy �
'S/IO301 •i:=c:=
sNNOol MOl3 188VS ONS 0140110.„ _
StlS301SdnS3lddtle0N31X3 �` -•`
ITJM H100WS.ZL
dW0AL 3ZIS'NIW
Date: - Page: v3atl 30V3a0S 30%SZ ,� ��'`
ONSITE CONCRETE WASHOUT CONCRETE WASHOUTS g H38WVH00N003S ��DYL� LL
-A STRUCTURE WITH LINER NOTES. 2. Do pore of,s oargce settled,hardened conncrete or cement slurry creteom the site.residue in accordance ��3aaewvlsi�isas� '��'i�i�iO�llR a3rvwlxs /•--t•�M- 0
LqS 1.ACTUAL LOCATION PrecycleI111��e le\� 05015 t-I
O --- Q 1:1 LINING DETERMINED IN FIELD with local and state solid waste regulations and at an approved facility. - h�NIi N i'OOM o
V V/ OIL SIDE SLO- SANDBAGS(TYR) 2.THE CONCRETE 6\,\liE`1� ellell11�i1\AI INT
•" -`�(]> <O FENCE (rYP. _ OR STAPLES WASHOUT MAITUREESW LN 3ad nge washout addton plaa the mixeandr rs in accordance associaat d materialsith the above item on impervious �%9Z 3NOZ131N /-- I�N5,I 111i,1;1111 11,11�;;1 ,;;111�\'''� OlaBV9�NO15 .0o
�� THE LIQUID AND/OR
barrier and within lot perimeter silt fence. el;„V �1 '`ke6 k�ekk V OpLN. ' 3
�/n n��` fl'. SOLID REACHES TS% 4. Install temporary concrete washouts per local requirements,where ,�;;I�i�i�1� 'A':;1�1ei16 1k�i'i�iliL 1s3a�9 LrQ `-
U O O OJ O SANDBAGS(TYP.) BIC OF THE STRUCTURES
\ �`��,0�1� A�;���0\I� 1��1111 S3lddtl8 Z3SY
_A OR STAPLES wk. CAPACITY, applicable. If an alternate method or product is to be used,contact your •�`�1,,;;t A111,11i11,e, 1i1;1j AWN H10N31 NI ai WU SS3l SNISV8:310N Q c
3.CONCRETE WASHOUT approval authority for review and approval. If local standard details are ;ke p111 t' J�41
SECTION A-A BELOW GRADE WASHOUT STRUCTURE STRUCTURE NEEDS TO
BE LEARLY MARKED not available,use one of the two types of temporary concrete washouts 3dOlS 3H1303SV8 11���1\11110•I0k
A L lOtl1NIX 1N3W1 350NY NOISOtl3 tlN34ON 333
xP P WITH slcrucE NOTING provided on this detail. 3M101 mamma 1���1 i��' in 0
HIGH CONCRETECLEARLV MARKED DEVICE. NOWSNVN13lgV1S �1�eel�
i. COHESIVE d WASHOUT OIGNAGE 5. Do not use concrete washouts for dewatering or storing defective curb or •` O�I' 0 z a
LOW BILTRATION NOTNG DEVICE NOTES: sidewalk sections. Stormwater accumulated within the washout may not 01, MOT of viva AO dol WOW os1UBYaayls[ n 1--I
801E EERRMM (1a•%24'MIN.) Y Q
1.ACTUAL LOCATION I
10'MI I I DETERMINED IN FIELD be pumped into or discharged to the storm drain system or receiving B runner.w05 .Goa m.1.16ave U °o
e ......0,,./ 2.THE CONCRETE surface waters. Liquid waste must be pumped out and removed from 31 no mew a PIN AalYMaO wnw Nw Z irl
ri V�A��AV 10 MIL OR Cusco TAP WASHOUT STRUCTURES q P / aesa 30 wOuoa 0103HOYUY _S .IYSINWOOS ON ryW530re d Z Z w
v 1)]p O I SHALL BE MAINTAINED project. / �Y�R teAil 3l33va
0 v VI;0 7 ,o �tta4 A b" WHEN THE LIQUID 6. Locate washouts at least 50 feet from storm drain inlets and surface do t5' / wrens, I. B mn Wnnww Z O
/ AND/OR SOLID REACHES t��/ Ce
o POI
OI„I O' (rvD.1 E 75%OFTR waters unless it can be shown that no other altematives are reasonably lY��tiP� Yaw OBeamsla ao BSOsa aason oti 3wnwn D.YMVeH SNNv swn IoUM W U 0
liliG MIN STRUCTURES CAPACITY available.At a minimum,install protection of storm drain inlet(s)closest to amaINN SOMON 004 B nrOw Borwoo wnnpom Z
I 'Q/'A_,;0 I TO PROVIDE ADEQUATE MRIA3hLL03dS21Rd aavala33M ..vMnlaHINV5ad =
1I HOLDING CAPACITY
the washout which could receive spills or overflow. NISVB 1N3WI035 Aatl210dW31 AatlWW11S Z J
Lan; 1 WITH A MINIMUM 12 7. Locate washouts in an easilyaccessible area,on levelground and install LLI
Y� INCHES OF FREEBOARD. VRt311M0 NcJIS30 O
of g SANDBAGS(TYP.) 3.CONCRETE WASHOUT a stone entrance pad in front of the washout.Additional controls may be U �/ z
OR STAPLES STRUCTURE NEEDS TOrequired the approvingauthority. J L.L
8 SECTION B-B by b- >
BE CLEARY MARKED
ABOVE GRADE WASHOUT STRUCTURE WITH SIGNAGE NOTING 6. Install at least one sign directing concrete trucks to the washout within the < LLI Z z -,5
; „... DEVICE. project limits. Post signage on the washout itself to identify this location. ._
z O �0
2 PORTABLE TOILETS 9. Remove leavings from the washout when at approximately 75%capacity u o
7 8
a 1. Install portable toilets on level ground,at least 50 feet away from storm drains, to limit overflow events. Replace the tarp,sand bags or other temporary SUPER SILT FENCE DETAIL O ` °
streams or wetlands unless there is no alternative reasonablyavailable. If 50 foot structural components when no longer functional.When utilizing LL "
NOT TO SCALE w W r off
N offset is not attainable,provide relocation of portable toilet behind silt fence or alternative or proprietary products,follow manufacturer's instructions. Q z cn o
° place on a gravel pad and surround with sand bags. 10. At the completion of the concrete work,remove remaining leavings and U ce LLl In o
0 2. Provide staking or anchoring of portable toilets during periods of high winds or in dispose of in an approved disposal facility. Fill pit,if applicable,and = = Z 3
high foot traffic areas. stabilize any disturbance caused by removal of washout. H- CC Q ?`-
3. Monitor portable toilets for leaking and properly dispose of any leaked material. LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE 1„"- RE SOIL BEFORE'INSTALLING'
ROLLED EROSION CONTROL PRODUCTS HRECP�c),�NCWOING ANY NECESSARY Q W
i Utilize a licensed sanitary waste hauler to remove leaking portable toilets and 1. Never bury or bum waste. Place litter and debris in approved waste containers. 1 PPL CATION OF LIME,FERTILIZER,AND SEED.WHENINSTALLING RECP WITH xro ATRICX MULCH,APPLY MULCH PER ;2c-
`§' replace with properly operating unit. s<-,a.I n, I MULCH DIRECTIONS PRIOR TO RECP INSTALLATION. ZU7 2. Provideasufficient number and size of waste containers(e.g dumpster,trash z BEGIN AT F THE SLOPE BY ANCHORING THE REM.IN Ar(15 CM)DEEP X6"(15 CM)WIDE TRENCH WITH
PAINT AND OTHER LIQUID WASTE receptacle)on site to contain construction and domestic wastes. ty '/I v'An l'`�I APPROXIMATELY (30cm)OF RECP'a EXTENDED BEYOND THE UP-SLOPE PORTION OF ERR TRENCH.ANCHOR THE RECP'a Q
'Es FC
',f"P1,.r
��\� ,(30 CM)APART IN THE BOTTOM OF THE TRENCH.BACKFILL AND0 z
A COMPACT TRENCH AFTER STAPLING.APPLY SEED TO COMPACTED SOIL AND FOLD REMAINING 12"SO CM PORTION OF
'" 1. Do not dump paint and other liquid waste into storm drains,streams or wetlands. 3. Locate waste containers at least 50 feet away from storm drain inlets and $ e I 1 _
6I surface waters unless no other altematives are reasonablyavailable. n..I STAPLES/STAKES SPACED APPROXIMATELY IY"(30 CM)APART ACROSS THE WIDTH OF THE REC.,
RE.,BACK OVER SEED AND COMPACTED SOIL.SECURE RECP.OVER COMPACTED SOIL WITH A OF
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface Q -
P•e(A.)DOWN OR(6.1 HORIZONTALLY BE SACROSSECURE THE SLOPE.RECP'IL SURFACE
UNROLL WITH LA APPROPRIATE TAK
_i waters unless no other alternatives are reasonably available. 4. Locate waste containers on areas that do not receive substantial amounts of _ 0 ncnixsiTlRle RECP.
SURFACE.ALL RECP,MUST BE SECURELY FASTENED To soasURFACe BY PLACING sTAPLEsrsTAKEfi
Xv 3. Contain liquid wastes in a controlled area. runoff from upland areas and does not drain directly to a storm drain,stream or r rya' j� % ♦• CORRESPONDINGSTAPLES/STAKES IN APPROPRIATE OCATIONS AS SHOWN IN THE STAPLE PATTERN GUIDE.WHEN USING THE DOT APPROPRIATE 3 E
` 4. Containment must be labeled,sized andplaced appropriately for the needs of site. wetland. / i 4 STAPLE PATTERN O
EDGES OF PARALLEL RECPS MUST BE STAPLED WITH APPROXIMATELY 2"M.sCM 125CM OVERLAP DEPENDING ON HI
5. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from 5. Cover waste containers at the end of each workday and before storm events or / / RECP'.TYPE. ( )
construction sites. provide secondary containment. Repair or replace damaged waste containers. �� r s CONSECUTIVE RECP's SPLICED DOWN THE SLOPETHROUGTOVERLA BE EDENDOVERENDESTYLE0 CM)AN
O
WIT
Ln
UGH
a ® '•"'^� ENTRREREATErDTH.NOVERN L STAPLET CONDITIONS,
THE
OF STAPLE OR
ENGS CM)APART0
�` RECP's WIDTH.NOTE'IN LODGE COIL COND TONS.THE USE OF STAPLE OR STAKE LENGTHS GREATER THAN 6"(16 ma
- 6. Anchor all lightweight items in waste containers during times of high winds. ( / cM)MAYBE NECESSARY TO PROPERLY SECURE THE RECP'.. E
i HAZARDOUS AND TOXIC WASTE la
7. Empty waste containers as neededto prevent overflow. Clean up immediately if / ( LLl 9
n 1. Create designated hazardous waste collection areas on-site. - 3
o Placecontainers overflow. +� / MAINTENANCE
0 2. hazardous waste containers under cover or in secondary containment. I S. Dispose waste off-site at an approved disposal facility. / INSPECT MATTING ONCE A WEEK AND AFTER EACH RAINFALL.IF WASHOUT,BREAKAGE OR EROSION OCCURS, .11
3. Do not store hazardous chemicals,drums or bagged materials directly on the REPAIR SURFACE,RESEED,REMULCH AND INSTALL NEW NETTING AND ANCHORS AS REQUIRED.CONTINUE
9. On business days,dean up and dispose of waste in designated waste INSPECTIONS UNTIL VEGETATION IS FIRMLY ESTABLISHED. >
s ground. containers. o 0
dRTH CAROLINA SLOPE INSTALLATION AND STABILIZATION JOB NO.
• I,' ErtvlronmentotQuaBty NOT TO SCALE ir!to r a ll 45458
NCG-01 MATERIALS HANDLING rolina8�� SHEET NO.
EFFECTIVE DATE:11/12/2020 f lt•MY C5.1O
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Date: Page: a°.� � ,tea. o?OFESS/0•!- v~i
NON-INVASIVE PERMANENT SEEDING WATTLE DETAIL =2a SEAL 11-: 0
RECOMMENDATIONS FOR FALL = 043120 o
NON-INVASIVE PERMANENT SEEDING RECOMMENDATIONS 1::._.✓�,`�cl o.`
FOR LATE WINTER AND EARLY SPRING NON-INVASIVE PERMANENT SEEDING SEEDING MIXTURE et NOTES: -''�-'441;H.)B0���� F
SEEDING MIXTURE RECOMMENDATIONS FOR SUMMER Species Rate 5H�0. ePVEM� USE MINIMUM 12 IN.DIAMETER EXCELSIOR WATTLE. Z
Hard Fescue 15 lbs/acre _ � USE 2 FT.WOODEN STAKES WITH A 2 IN.BY 2 IN.NOMINAL 0
Species Rate SEEDING MIXTURE CROSS SECTION.
Switchgrass 2.5-3.5 lbs/acre*e* ONLY INSTALL WATTLE(S)TO A HEIGHT IN DITCH SO FLOW WILL NOTLO
Centipede 5 lbs/acre Species Rate Indian Grass 5-7 lbs/acre* a.. .,. A WASH AROUND WATTLE AND SCOUR DITCH SLOPES AND AS DIRECTED. o z_
Indian Woodoats 1.5-2.5 lbs/acre* Indian Woodoats 1.5-2.5 lbs/acre*
Big Bluestem 5-7 lbs/acre* O • EDGE OF PAVEMENT INSTALL A MINIMUM OF 2 UPSLOPE STAKES BAND
OT 4 OSF DITCH b fo 3
STAKES AT AN ANGLE TO WEDGE WATTLE TO BOTTOM OF DITCH.
Virginia Wild Rye 4-6 lbs/acre* Virginia Wild Rye 4-6 lbs/acre* c! .v;� E g
Indian Woodoats 1.5-2.5 lbs/acre* EXCELSIOR WATTLE �•❖• -a� PROVIDE STAPLES MADE OF 0.125 IN.DIAMETER STEEL WIRE z E
Virginia Wild Rye 4-6 lbs/acre* of: O1(� FORMED INTO A U SHAPE NOT LESS THAN 12"IN LENGTH. H N
*Depending upon mix with other species.See table 6.11.d *Depending upon mix with other species. 5 INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON a 3 s
MATTING BOTH SIDES OF WATTLE AND AT EACH END TO SECURE IT TO THE SOIL.
from Chapter 6 of the NC Erosion and Sediment Control See table 6.11.d from Chapter 6 of the NC *Depending upon mix with other species.See table 6.11.d from BACUPE INSTALL MATTING IN ACCORDANCE WITH SECTION 1631 OF THE <LI"cO z
Ce
Planning and Design Manual. Erosion and Sediment Control Planning Chapter 6 of the NC Erosion and Sediment Control Planning and BTANpARp SPECIFICATIONS. A.o o M o
and Design Manual.
Design Manual.
Seeding Dates ISOMETRIC VIEW a'o�3vw w'
Coastal or Eastern Piedmont for Centipede-Sept.1 -May 1 Seeding Dates 21 o LL w a5
Seeding Dates AIL o o 2
Coastal and Piedmont for Indian Woodoats and Virginia Mountains-July 15-Aug 15 ,t _ Z Z
Mountains-Hard Fescue- Aug 1-June 1 ler - ..� o -
Wild Rye-Feb 15-April 1 Piedmont-Aug 15-Oct 15 2'(MAX.) 2' UPSLOPE a
Mountains-Switchgrass,Indian Grass,Big Bluestem-Dec 1 -April 15 STAKE NATURAL GROUND P.
> m
Mountains for Indian Woodoats and Virginia Wild Rye- Piedmont and Coastal-Switch Toss,Indian Grass,BigBluestem- 5 lE Lij
March 1 -May 15 Maintenance: g INSET A INSET B
Dec 1 -April 1 IIILJIIIEME o
Indian Woodoats and Virginia Wild Rye Coastal-Indian Woodoats and Virginia Wild Rye-Sept 1 -Nov 1
Maintenance: are both sun and shade tolerant. Z
MATTING 2' DOWNSLOPE (V 0
Significant maintenance may be required to obtain desired STAKE UPSLOPE , DOWNSLOPE F
Maintenance: CROSS SECTION STAKE STAKE o
cover once centipede is planted.Acceptable for sodding. Hard Fescue is not recommended for slopes>5%.Prefers shade. VEE DITCH ,- /-.-.-.-.-.-, a
.�.�.00 ❖•❖••.;••••••4 = a
SEED BED PREPARATION: A-..-.*.4. :...••.••••�••OI 0 0
LIMING-A I lime accordingto soil test recommendations.If the pH(acidity)of the soil is not known,an application of ground agricultural limestone at the rate of 1 to 1 4 tons/acre on coarse-textured 2 IN. 2' UPSLOPE FLOW , Y�"' ����•� ��--����
soils a d 2-3 tons/acre on fine-textured soils is usually suffici nt.Applymestone uniformly and incorpo ate into the top 4-6 n ches of soil.Soils with a pH of 6 or higher need not be limed. STAKE NATURAL GROUND �:�t1.1 �:::�:i:�:�:�:�.� o
NZ
FERTILIZER-Base application rates on soil tests.When these are not possible,apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre.Both fertilizer and lime should be incorporated into the top 4-6 Ff I—fI .... ........4 F
inches of soil.If a hydraulic seeder is used,do not mix seed and fertilizer more than 30 minutes before application. I I I r�I I tJ I I ( /� o
SURFACE ROUGHENING-If recent tillage operations have resulted in a loose surface additional roughening may not be required,except to break up large clods.If rainfall causes the surface to • / �� z o
become sealed or crusted,loosen it just prior to seeding by raking,harrowing,or other suitable methods for fine grading.The finished grade shall be a smooth even soil surface with a loosen MATTING o
• �2' DOWNSLOPE DATE
uniformly fine texture.All ridges and depressions shall be removed and filled to provide the approved surface drainage.Planting is to be done immediately after finished grades are obtained and CROSS SECTION STAKE S
c 09/14/2023
seedbed preparation is completed. TRAPEZOIDAL DITCH o
NOTES: TOP VIEW > DRAWN BY
1. Permanent seeding,sodding or other means of stabilization are required when all construction work is completed according to the NPDES timeframe's table. 331
2. A North Carolina Department of Agriculture soils test(or equal)is highly recommended to be obtained for all areas to be seeded,sprigged,sodded or planted.
3. Use a seeding mix that will produce fast growing nurse crops and includes non-invasive species that will eventually provide a permanent groundcover.Soil blankets may be used in lieu of nurse DESIGNED By
crops.Mat,tack or crimp mulch,as needed to stabilize seeded areas until root establishment.Mulch must be applied uniformly over the soil with a cover density of at least 80%. •• 331
4. Ground cover shall be maintained until permanent vegetation is established and stable against accelerated erosion. •
CHECKED BY
SWPPP'preparer to
SS�y NORTH FiAR6L1/JA specify length of J-hook, .
• MVZ
N•r Env7ronmenta/Quall�p PERMANENT SEEDING RECOMMENDATIONS based on anticipoted - r'. • • SCALE
EFFECTIVE DATE:11/12/2020
sediment load �� W�
, eei F\°W iF roe`F\o'i�` r N/A
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Date: Page: Cr
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TEMPORARY SEEDING RECOMMENDATIONS Place ems#h wtFe
FOR LATE WINTER AND EARLY SPRING and bind pt tpp with w re (n ;N
Seeding Mixture v1ar -IQ o g
Species Rate(lb/acre)
Rye(grain) 120 TEMPORARY SEEDING RECOMMENDATIONS FOR SUMMER TEMPORARY SEEDING RECOMMENDATIONS FOR FALL LU L
Annual lespedeza(Kobe in 50
Piedmont and Coastal Plain, Seeding Mixture Seeding Mixture N CI o
LIT
Korean in Mountains) Species Rate(Ib/acre) Species Rate(lb/acre) 0ID Z a
Omit annual lespedeza when duration of temporary cover is not to German millet 40 Rye(gain) 120 J-HOOK DETAIL ,-1 Q s_
extend beyond June. In the Piedmont and Mountains,a small-stemmed Sudangrass may be U o
substituted at a rate of 50 lb/acre. Seeding Dates z
o Seeding Dates Mountains—Aug.15-Dec.15 Do PIPE DIA O Z O H
Mountains—Above 2500 feet:Feb.15-May 15 SeedingDates L=APRON LENGTH
Y Coastal Plain and Piedmont—Aug.15-Dec.31 W1=APRON WIDTH AT FES(=3 X PIPE 0 MIN) Z Q Q i
Below 2500 feet:Feb.1-May 1 Mountains—May 15-Aug.15 Mulch W2=APRON WIDTH AT END LI.J U Z
Piedmont—Jan.1-May 1 Piedmont—May 1-Aug.15 FOR FLAT AREA:W2=D+L (n
Apply 4,000 lb/acre straw.Anchor straw by tacking with asphalt, FOR CHANNEL:W2=D+0.4 ti2z H J a
0 Coastal Plain—Dec.1-Apr.15 Coastal Plain—Apr.15-Aug.15 L
netting,or a mulch anchoring tool.A disk with blades set nearly H 1 T=APRON DEPTH LLI O Q
d Mulch Mulch straight can be used as a mulch anchoring tool. A — A 1 U z -
Apply 4,000 lb/acre straw.Anchor straw by tacking with asphalt,netting, Apply 4,000 Ib/acre straw.Anchor straw by tacking with asphalt, ° °o ° oo°0 00°o°°o o �rvPE STONE < w z I- o
or a mulch anchoring tool.A disk with blades set nearly straight can be netting,or a mulch anchoring tool.A disk with blades set nearly Maintenance LI °Op o 0 0 0 0°o ~
used as a mulch anchoring tool. straight can be used as a mulch anchoring tool. Repair and refertilize damaged areas immediately.Topdress with 50 0 o O o 0 0°°o o ^ } °°°°o° o°o z Q
2 lb/acre of nitrogen in March.If it is necessary to extend temporary __ _ 3 ° o °o°o° o°0 3 0° o °o O° °° ° 0 U
00 „,,,,0„
'- s 0° O..Opp J 7 U
Maintenance Maintenance cover beyond June 15,overseed with 50 lb/acre Kobe(Piedmont and T - o ° .. <,.. Ll.l ~ °
i Refertilize if growth is not fully adequate.Reseed,refertilize and mulch Refertilize if growth is not fully adequate.Reseed,refertilize and mulch Coastal Plain)or Korean(Mountains)lespedeza in late February or L�oo�o 00 o 00 0_
°R°°o `"\ w
immediately following erosion or other damage. immediately following erosion or other damage. early March. -`" (AMOCO 2006 OR a ^ z LU
o PLAN SECTION A-A EQUIVALENT) Z U (// Q c o
SEED BED PREPARATION: FILTER BLANKET = = G
(OUTLET TO FLAT AREA WITH NO WELL DEFINED CHANNEL) I— I—I o
LIMING-Apply lime according to soil test recommendations.If the pH(acidity)of the soil is not known,an application of ground agricultural limestone at the rate of 1-1 z TYPE STONE Ce 0 L1.1T
tons/acre on coarse-textured soils and 2-3 tons/acre on fine-textured soils is usually sufficient.Apply limestone uniformly and incorporate into the top 4-6 inches of soil. L `, z Lf) .
g Soils with a pH of 6 or higher need not be limed. 4 "pO0''1 0 t�
`,'.3' FERTILIZER-Base application rates on soil tests.When these are not possible,apply a 10-10-10 grade fertilizer at 700-1,000 lb/acre.Both fertilizer and lime should be B o 0 0°o go°° 1 B _ Z
oI incorporated into the top 4-6 inches of soil.If a hydraulic seeder is used,do not mix seed and fertilizer more than 30 minutes before application. o_, °°goo 0°°�°o- r Q 12
J SURFACE ROUGHENING-If recent tillage operations have resulted in a loose surface additional roughening maynot be required,except to break uplarge clods.If rainfall w= ° 0 0 0°0 o� SECTION B-B FILTER BLANKETZ
9 P 9 9 q P 9 �zz� oo a
z< o00 ° o (A EQUIVALENT)OCO 2 s-E
causes the surface to become sealed or crusted,loosen it just prior to seeding by raking,harrowing,or other suitable methods for fine grading.The finished grade shall rx o 0 0 00°o° OR
2 be a smooth even soil surface with a loosen uniformlyfine texture.All ridges and depressions shall be removed and filled toprovide the approved surface drainage. Qu __o °0 0°0 0,, NOTES: -
P PP 9 07 o' ° (n °
Planting is to be done immediately after finished grades are obtained and seedbed preparation is completed. .0 ° ° e'o 0 0 00 1. TOP OF RIP RAP AT DOWNSTREAM END OF APRON SHALL BE
i O' o o°o° 0 ° 0 0 FLUSH WITH NATURAL GRADE OF THE RECEIVING CHANNEL. n
0 0 00 0I 0
„� o o °o °o 2. VEGETATE ALL DISTURBED AREAS WITH VEGETATION LU
f °Op IMMEDIATELY AFTER INSTALLATION.
0 M PLAN 3. SEE EROSION CONTROL PLAN FOR DIMENSIONS. -
1 (OUTLET TO WELL DEFINED CHANNEL) MAINTENANCE I-
I.INSPECT RIPRAP OUTLET STRUCTURES WEEKLY AND AFTER JOB NO.
]dRiH i<.4RSSLII'VA SIGNIFICANT(1/2 INCH OR GREATER)RAINFALL EVENTS TO SEE IF /� '
Li Envrmn0.00#Q'#0 TEMPORARY SEEDING RECOMMENDATIONS OUTLET PROTECTION ANY EROSION AROUND OR BELOW THE RIPRAP HAS TAKEN PLACE, 8 4545E
E EFFECTIVE DATE:11/12/2020 OR IF STONES HAVE BEEN DISLODGED.IMMEDIATELY MAKE ALL
E NOT TO SCALE NEEDED REPAIRS TO PREVENT FURTHER DAMAGE. *� SHEET NO.
i www.ncBtt.orW C5.11
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