NCC232813_Site Plan or Location Map_20230918

PIN: 0860-64-39-6981 •
PID: 194191 '
■
■
<EROSION CONTROL> •
SOLANA II ••
■
Climil":11111111:1\
•
•
1051 OLIVE BRANCH ROAD ;•
Qunity
DURHAM, NORTH CAROLINA :• I ENGINEERING I ARCHITECTURE
<35.957972N, 78.776208E> ■ 16 CONSULTANT PLACE,SUITE 201
■ DURHAM,NORTH PLACE,CAROLINA 27707
■ P 919.490.4290
www.qunity.com
■
• NORTH CAROLINA BOARD OF
EXAMINERS FOR ENGINEERS AND
INDEX OF DRAWINGS: • SURVEYORS LICENSE NO.:C-0676
■
C000 COVER SHEET ■
C500-0501 EROSION CONTROL PLAN-INITIAL •
C502-0503 EROSION CONTROL PLAN-FINAL ■
\p KF C504-0505 EROSION CONTROL DETAILS ■
yii MPRD NC-1 NCGO1 REQUIREMENTS ■
a -----.., NC-2 NCGO1 REQUIREMENTS '
/00
O SRE ■
•
Durham County Erosion Control : SOLANA II
o Approved 8/15/2023 • 1051 OLIVE BRANCH ROAD
m [e-mail] • DURHAM COUNTY
OWNER VICINITY MAP 1(1 a •
DURHAM,NORTH CAROLINA
NO SCALE •
NICHOLS FAMILY HOLDINGS, LLC t ■
1010 N SANDERLING DRIVE •
LELAND, NC 28451-7692 •
•
CEN DURHAM LAND, LLC •
3217 NORTHAMPTON STREET ••
RALEIGH, NC 27609 :COVER
•SHEET
•
DEVELOPER ■
PULTE HOMES •
•ROB RUDLOFF
1225 CRESENT GREEN DRIVE,SUITE 250 ■
CARY,NC 27518 ■
P: [phone] ■
[e-mail] ■
•
ENGINEER/LAND PLANNER ■
QUNITY, PA •
TIM SIVERS
16 CONSULTANT PLACE,SUITE 201 •
■
•
DURHAM,N.C. 27707 ■ RtN,G4Roi'�q•.,
P: [phone] • ` `� �Di HLtly NTpned by Nadia
F: [phone] • ' ?' sEAp nbi' '
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05 4 Ijabiggunity.com,
E-MAIL [e-mail] ■Naa`•,411a I O=OunHy,aU=PA,
■ , I EEETR{RNadi Aljebi• N
SURVEYOR • PER COUNTY COMMENTS
, 1 IFOR APPROVAL I NA
MSS LAND CONSULTANTS •
8,2,2028
MATT HAYES • I I
6118 SAINT GILES ST.SUITE E •
RALEIGH,NC 27612 • I I
P: (919)-510-4464 '
F: (919)-510-9102 •
[e-mail] ■
CITY OF DURHAM
• PUBLIC WORKS DEPARTMENT
■ APPROVED
ENGN
ERING. DATE
■ s oaMEw. DATE
■ raAN:.DR,.TIOD DATE
• 811-CALL BEFORE YOU DIG
• DRAWN BY: CHECKED BY:
▪ NNA TS
■ DATE
JANUARY 12,2023
CASE #D2300013 •▪ PROJECT NO.
■ SHEET NO.
CASE #D2100308 : C000
CASE#Z2000028 APPROVED:9/07/2021 •
• CONSTRUCTION DRAWINGS
©COPYR GI IT 2023 THIS DOCUMENT AND DIE DESIGN ARE TIT PROPERTY Or OUNITY,P.O.ANY REPRODUCTION WITHOUT TOUT PRIOR WRITTEN CONTENT IS PROHIBITED

PIN: 0860-64-39-6981 ■
PID: 194191 ■
■
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7 I i ___ ` \ `` \ ` ``�\` \ - \ 1 `` �\ \ ` \```` ````• /_// 1.PER NCGOI SECTION E,STABILIZE AREA DESCRIPTION A
\ ` ` I \, \`I I \ \ \ \ \♦ ____ __ ` \ - THROUGH D WITH S75BN MATTING OR APPROVED EQUAL.
\ H'1 1 ill``•`` \ ` I- _ - ```•`\ \`•
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\\\ t III i ' i\`` `\\ `( 1\ \\ __L \\\ `\�\�• 1 `� \\`\ t \\``\ `�:.a ` _. \\ ^ i`\t STEEP SLOPES REGIONS THAT ARE 3:1 SLOPES OR FLATTER ■
•
�yf/ - \ \ CAUTION! `1 ' -- \\ �. NI•- ' ` �_______-%-' / `\ \\%f
IIDY / w8nAND CROSSING-�"� - `\1 !' \ A. r ` SLOPES GREATER THAN31WITHIN7DAYS.STABILIZE ALL aa�X \\ 1 % ` `. �. ty
.1>t• 1 �``� I ENCROACHMENTS 1 a _- `\ \/ I ` I - W DEP AY - -J % \\ � '�, `• ` -DOCIBLESILT, ` ` .�_. 7D ` BEGIN ■
W 1 INTO WETLAND 1 I \•.� '-''FENCE OUTLE'[ITYP1, 'ILIZE WITHIN DA\'y \`` \
I \1 �•j / UNTIL PERMIT IS OBTAINED: ``E 3l i. _ - \ I DIVERSION DIIICH k7C
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/ H^1\ ). I y y y , / __ ST ILIZE 3:I SLOPES ABOVE = N •"`)\ '-li ' I `4w SEE 110PE<Il IS SHEET.`\ \ CIVIL LANDSCAPE
/ I�l 1\'/\I I1' I 1 I W / / / :/ ' CAUTION! �__�"' `I 1 `\3 h ` -.L ; 2'WIDE%1.5'DEEP
' o'I\'\'1 1 \ I ^ W I AND TEMPOR Y PHASE 1 TPF / l' •• BOTTOM SEDIMENTATIONELEV. O1 DB#7 DO STREAM BUFFER! \ I\ `` ..`k'j Try `I /v \WITH 2:1 sID�'SLOPES ■ ENGINEERING ARCHITECTURE E
I r 1 ` //� I I I/ / 1-- s\ \, 100 �� ,,. ! ` I 1 I LINE W1.1 S75BN ■
�' , ELEVATION 12 FOR SEDIMENT BASIN 9 I/
_ 1 1 \ w / I ••RR NOT CONSTRUCT \ a 3:1 SLOPE / / I /
��' 1 \\ Vie: 1 "f` / • \• ENCROACHMENTS INTO �����`.��` \ `�7 / / j I ■
i. m I , / % PHASE DOUBLE SILT FENCE / _ `` \ \ `•\`\_- T - - / i I • 16 CONSULTANT PLACE SUITE201
66 'r ,I 1_t 1{\ 1 �� \�� 11 1 �\ \ Pam_, INNER 50'STREAM BUFFER \ U, �� / / r I DURHAM,NORTH CAROLINA 27707
r'1 11 ``I rr I` M\-� �(\ IS i1 / / \1.�\ t`� UNTIL PERMIT IS OBTAINED . `- ,/ ■
1' n j i I \`1 1 w•I. I`. _ `SILT FEN4E(TYP) i+/ ••\_ k' ��` �;< `\`\ } 1��� i ' � ' �&' _' i 1`I ■ P 9I9.490.4990
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' 1 1 \\ K - I :! `. 44,_ / TEMPORARY PHASE 1 T O \ `\ \ \ \ ' / . i/ / ■ NORTH CAROLINA BOARD OF
,I \\ j ; �•C�. ���,HASE 1 DOUBLE SILT FENCE,A r�OJ ��j \/ / ' i i/ 1' EXAMINERS FOR ENGINEERS AND
1 y I /I / W C1 T , ✓' \ �' 'HA/CE I DOUBLE SILT FENCE OUTL+'��O 7'- •*�,y` �C,i/ \ / I/ I 'WATTLE IN DITCH LINE / •
1 ,��$� �e S i�u� ` % SURVEYORS LICENSE NO.:C-0676
11 '1 I I `// +' se1�\I' _____� —�_ �=I�-� _ -�70 .`�� ./ TC POLVACRVLAMIDE APPLICATION NOTE:
11 aY \` SE LINE••WNHILUSLOPHOF ,,,, - 1g"gaM �\\\i - . / , �i>`J ��� �1 Yt' \I / j' EVERYl30'(TYPI ■
.4 ENT: IN ASTER THE DAM, \/'Ir �� \ \ �;I / A ''� ✓- , �A 1 / CONTRACTOR SHALL PROVIDE SOIL SAMPLE TO COMPANY LISTED IN
'r • ^ 1( ` . ` / •iT I , 1 I \ TABLE BELOW.OBTAIN RECOMMENDED PRODUCT AND APPLICATION ■
Y. VJ/IT,,S75B OR APPROVED EQ AL ii / 1 \ I 1
Y h \ \ \5\I I\`/"B I , O ,) I RATE BASED ON SITE SOIL CONDITIONS.PROVIDE RECOMMENDATIONS ■// oN THES3:1sloPE. 3.1/ClbPE � Q;� / ,r, I r�J \ \1 io / \ \_ WW< i /� \ '•`"'1"111 IP IdK,`M - - __ `'S #�\ \ \\ 1 STABILIZE WIT HIM SHEET. I TO ENGINEER OF APPROVAL.CONTRACTOR RESPONSIBLE FOR EROSION
1 \ IM J \ 1 \ I \ SEE NOTE kl THIS SHEET.'• ' CONTROL RESPONSE SHALL BE IN CHARGE OF MONITORING
.�j'I \ +\ :R� I ✓ ✓ ✓ \� O R�AFfLE iTYP.Jd/• // / /� /� I .\ I I -1 ' i `\ \ \ J `` FLOCCULANT DOSING SYSTEMS.CONTRACTOR SHALL APPLY PAM TO •
.,,, \\, \..'\ TJ%I wi W L Li/FN.-/12 PO/ / ♦ `�\ \ 444 `
I,1`; �P,o ; ., \W W W w 1 / �� ,,11 I 1,/ �^'\`\ ` �' \.�� S ` WATTLES DURING CONSTRUCTION ACTIVITIES AND AFTER EVERY •
=t II .i j I /// /// 7.4y y0U$LE SRT FENCITYP/j// ��a�jTYJj,/� \ __ RAINFALL EVENT THAT EXCEEDS 0.50 IN.PAM LOGS SHALL BE INSTALLED
`I, n w 371!4"PVC SLOPE DRAINWIT '� 1 / �� 1 i/ oo Riparian Buff', DOUBLE SILT FE 1 ITV i;T u%� ., .i2°'L4;VE SLI I DRAlYERigF ' P(°T1 , \ �i+` / \\ AS SOON AS STORM STRUCTURE IS CONSTRUCTED.CONTRACTOR SHALL ■
I e=�\\ \ `\w; � CI�4SS'IY'kWP-RAP(?NGEOTENi / I ., 1 /- � j,; / %/ -- �`� ",// .\j _ _ MONITOR LOGS IN STRUCTURE AND REPLACE WHEN FULLY DISSOLVED.
r'/'` \ ,' T W;�'// \ <'w. 1 �r 1`( ;_"�I � 1 1/ I % j/ , {{E+' ',+ ` SEE C502 FOR INSTALLATION LOCATION.
`� __ ARCHED`3TONE FILTER ■
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r',,._.i,`'\\:- $Jvi_ e' W - - - .1 ',+I► � 1 1 1 i \�•`' _— T \ 1\._,,,i ' /' // _^__ 'Po-.�\ � `� j_ _ ,I \ Air North Caroline RListo AMS/Flaxulants
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%:/ •,I, W W WA• 41 1 \ 1 IN \ \ I / `` _✓✓✓ . `` ` \ Product Maximum Recommended Concentration ••
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VELOCI DISS TOIZ' ,C' 1 1 Applied Pdyrluer ystem APS 712 3g.3 ppm
W\ "' ,,�3o•I.- \DIVERSION DITCH97A ` '1 ^`9/ _ IC I , I • \` ._ • _ ' 4; ` 1 Applied Polymer System AP5730 5.8 ppm
.L./ T'-P" 1 3' IDE X 2'D�EP \ I� _ I / ``i.8: 'I I `I 1 Applied Poi S AP3740 5.2
1 `.'{' 1 1 - 1 1 / 1 1` • 1051 OLIVE BRANCH ROAD
W W y. `J4'1/ \WITH 2:151DE SL0!s 1 1 /�J 1 I I yl., i ` - ` ` ♦ �•I , Applied ym AP5703d r
r; \ DAPS Hsclsorsly. ,\� END , ) r IS \` - i . I App!ed�,�ystem Ap570�� rn
DURHAMTH CAR
DIVERSI N DITCH b7D _- 1 I % ; `\\\ ^ \ ` % ' ed S APS 708b m •
/ \ DATSLOPE DRAINS\ \ -' I I - / �1 ' y�em DURHAM,NORTH CAROLINA
\ \ EN ,A• 2'WIDE X2'DEEP 1 / .�` ` \ - . ra718"PV,- �ry ` Aped=Islam APS705 27.7 rym •
\ 1 \ ` \ \ \ WITH 2I�SIDE SLOPES / / . j Aguamaa" A0100 Land surface appl ahl at3gJ ppm
�. , 1 \DIVERSION ITCH 7i7B\\ \ 11 LINE WITHSCI508N \ _ j - `\`\ j' i/ - \ rk lne A0109 land slWacea batlon at 0.1
] 2'WIDEN
2'DEEP �`��.�` \\ 1 1_`-`.\` '-_ / /_- ; nNEL ■
9 1� \ `' \ _ • , / - ' C ndHscWes WaterTech Ashland ZCMhmopMe Pee 55 10
\ . ` , {vITH 2:I SIDES}OPEs \\` \` _ `. \ / 4) _ \ \--',"---.
/ - - / j' '•SILT FENCE�I�PJ\ > Ashland Hemub WaboTech Ashland zalta MC 9500 10mgIL-
\`� •\ I \NNE WITHSCIy0BN \` \` `\ I i/' 1 ` _3. `\` ," - �. , / /'' /!` Cape Fear Consuling PAXCFC38A 5ppm ■
\` w w . 1 \AA'''''' _ `_ ` `♦ ` \ i / \ ` ``� 1 / '' Cape Fear Consulting CFC4330 4.5 •ppppmm
\b \ DOUBLE SILT FEN\,EUYP) / `\ \ ! 1 / / ; - - -- `- `� ` I / __ "', I Can9lro Hydrologks HYDROLOC PAM Lend surface ap=onfyat&Oman
\ ` - 1 t, WATfLEiNDIZCH LINE \ \\�\ I__-` ( \ / f-'' _ _ - ya `` N�'' `i ^s/ Certllro YA abgllccas Floc Rol/Line/Flat 50 mgrL
_ \"a`y ` EVERY 355 TYP.I ; 1 `) _. `\ 1 / 1 - ```'..\,` %DI`I RSIrJN�TCH•7t -_ _ + Chemical Solutions.Inc. CS-1234 and/or CS-1234D 500 mg/L per 18%so lds'1=ee below)' ■
\` `+/I DOaBf.l:'$ILT \ _ t- I - \ I I I ``\ -- \\\1`` / i ' Chemical Solutions.Inc MK7154DP 10
\ "9 \ _ / ' I ( ��• / I \ ` I \`\/ 12 yIIDE 1.5'D'P myL ■
\ ` EE4r0}TfLETrfKR{__ _ / - / I / \ .. `. IINITHh'I SI//1E SLO'Es / -- Green Techniques Soil Defends land%face applkallm only at 0.008%
\ \ a •`�\ / ♦ / �' / / % i' it 1 `i-__` - -`1_,..., / LINE WITH 57 RN ' % HabSounx,Inc. GoiFbe 2.58 m�L ■
\\` ""• " _ `/ `I / // / 1 •.�` ` \ \ , \ \ 1 1 i�' / Hanes Geo.Inc. LBP-2101 500 rng+L
\ \ -��'i,, %' ' __"' ��' `�/ % 1 / \ I .� \ \. \s. \`\•\` _/ I I / / - Hanes Geo Components TenesPoos nuhr PAM 3.25ngBL ■
'•/'" ' _ 1 I I ``` - \ / j j/ Innovative Turf Sol1Ums EnvlloP 200 mg4
\ `TEMRORA-RY PHASE I TPF\I \"� I --.� X •\' / % i'/ ^�' `+ I ' i , t j Tyl\ERSIONTKiCH k)B, `X.,,...„/
' ; j I / - - _ - Innovative Turf Solutions Erosion Guard Powder.Erosion ZOO mg/i. •
CAUTION! 1 I --''' ` ` _+ ' - '' /.........)
1 / 1 1 `F IDE%"d' EEP` -` / 1 I / Guard Logs/Erosion Guard Flats
\ \ ' 1 1 '� P \ \`\\ \ / / \
100'STREAM BUFFER! / ` ` d\ \\ // 1 , I '\/ //! /' 1 1 \\ \\ \`\, WITH 2:1.50E SLOP \\ \ `. .+ '/' / ,■, Hnoyethe Turf SOMions FLOC
650 uuuglL • EROSION
DO NOT CONSTRUCT �- / ••A I / I� I� 1 \ LINE WITH VI \ ^ , r Leaner Meaner Greener.Inc LM,G.Dust Magnet 281 Solution 0.05%
\`100'Rip an ffer \ .____ •��/ ( i�/ / \ - 1 _-.,`. V \ \ i I / -
ENCROACHMENTS INTO ; \ 1 \ B \ - / i 1 I 1 - 'Leaner Meaner Greener.Inc LM.G.DIMMagnel163 poatler 0.5 mglL • CONTROL
/, I. `` ` 11 I/ // ,,, I' �s.i�. \ -• -`\ `\ I-l'\,`\y/' 1 Leaner Means Greener.Inc DBP-2100 28.125mg,2
UNTIL PERMOINNER 50' RISAM BUFFER OBTAINED_ ' - \ `11 I / 1 I� I % �%' / ; aOJ._ ` I \`\```� ` '\ ^`` % ,i_' - ��� ; �r Nalco Nalco 8187 100 ppm ■
I �i,,.� \\\ \\; \``,, ��� 1 I I 1 1 1 - / I ``\ ``\ 1 \ 1-____ 1 I , NTU •Geo5uub 10,19,20,29,94 tom
q �( \\`� _ 111 r,SS ` 1 u MU GeoScrabBubb ,m PLAN INITIAL
1 \ '\ I ^�l I 1 Iv - - --`-----_-'�i>' �\` `\ \ 1 .\`I--__�_--- ` - �. + I IA I II Parallel Associates Saks PFR P251 zs oolll ■
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_ - .-\\` I 1 I 1- TE P_O_R_A$Y2HAE1 TPF 4 \ \\\
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/ / I 1 /' \ 1- �j(j I. \' • " + / I \ \- -_____ - ____ � \ \\ `I 1 i'/��_\\fir.-.. •
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1\ `\ ()�� \ ) 1` ' CAUTION!/ \ % I / / �'+' /1 / r
I 1 /1 1% '(j� ` �,\ \` `` `^ \ ' ' /' ' STREAM CROSSING 1 \, \``\` ``\\ / \ j � 1\ / % I/},// /% f./ %`(� 'TEMPORARY PHASE 1 SILT FENCE TO REMAIN UNTIL PERMIT ■
j 1 \ , ` VVV \\; / , f��� '' I/ i/ DO NOT CONSTRUCT, ` 1 \ - 1\ / f \1 / I 1 - I // I/ /V / F'• /\„ /\� ALLOWING STREAM BUFFER IMPACTS IS OBTAINED
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\, l • /' I UNTIL PERMIT IS OBTAINED t,` \ •//' '..-• 4- ■
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1 1 ldJ ll II: / 1 1 1 / `\ ` -.'-�.,- % _ \ 1 I % \, I Y' \ ( < < ''-,..... ...
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II 1, ` 1` t' I I \ 1 t� ``ra,,f ..``` \ \ 1 1 \ \ , \ 1 \ y �l %\Xr %` DESCRIPTION SYMBOL DETAIL ■ S'l•,.•.•.•.,G/
1 \ I 1 \` 1 i - _ O' `- \ \ \ \ \ \ \ \ 1 p:'�f�Oecss/Oy..
N\ / \ I \ \� \ % \ I % \ - IVERStON.DITCHkyD-.:` \ 1 \ \ ; , \ v ,,,x,
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MP TP, >PF P ■NaC a\1tOLl a I I.ry unity.
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```\_ I 1 O vo `\ ,OIit\', J`` `_. '-\``` _f`\ , 30�, I / / / ,` 1 /V A '/.\ ' TEMPORARY Px I -SE-SF- ■ �cINE 2.08.02
T., "\\ 1 ,/, ^y g! 0, �i \ \ �1 .' _ P `�- I 1 / / I ,^v. ` \ I'. ` ` ' ® •,o,yq Di....
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1 \• _ 1 �I OUBLh SILT dt•p�. , `` `. `` 1 / , / I 1 / LTI 1 ``\`\\ `\ `\ ; SILT FENCE sF sF ■ rA.AL
11 `-`I \ I' /".—\ j \\\ '�1. . \ i' i -\ .-` `.�\`\ "...�%' _�' / ' %'/ 1 / 1 ( \_ 2'WIDE 82'DEEP \ I \\ \ \ , nPICA,ALL PHASES _ _ _ ••• /...
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! 1 �+ ``�` \ -- ``�--'3S T- mot_ \ ` ( / f / I 1 Nin_2:1 SIDE,.�PES \\ I \\ �, \\\\ \ • PER COUNTY COMMENTS
-\ .. . , �'7 ..1 LI N `` \ • - \`` ,\ dZ is \` I (� , ,' i i i i DPJE WITH sclsdBN �`•I \ ``\1\ `� \`\ \, \`h '/.`(->n\ LDLn ■
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PROJECT NO.
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EROSION CONTROL PLAN — INITIAL '° 80 60 tkl ■ SHEET NO.
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• CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

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EXAMINERS FOR ENGINEERS AND
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I 1 \ ,`1 / / / ' 1 ''/_' ♦ I \ /345 n \_- ` ,1 1 1 j \ > `\ III 11 I i I �I TO ENGINEER OF APPROVAL.CONTRACTOR RESPONSIBLE FOR EROSION
l I 1 1 I 1 / / I %• / �_ �\ I' CAUTION,'��, ,1 1 )^' '`-- ---__= -' %♦ 1 / 1 1 \, '- 11I 1 I L I ii a' CONTROL RESPONSE SHALL BE IN CHARGE OF MONITORING ■
\ ♦ 1 I ) i ' i / j "• STREAM CROSSING ��¢ ` j 1 / I \ 333«-- al- FLOCCULANT DOSING SYSTEMS.CONTRACTOR SHALL APPLY PAM TO
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©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

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■
PROJECT NO.
■ 1886A
EROSION CONTROL PLAN - FINAL D '° a° 160 aNO.
■
■ SHEE
C502 SCALE:1"=80' SCALE:I"=8o'
▪ C502
▪ CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

PIN: 0860-64-39-6981 •
PID: 194191 •
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``\\ �_I l\' \\\� \`\\\\\ ELEV.=335.00 \ ��� ; / ' , `4j s _ l'/ 11 I I I ; , 1 1 1 i „M_— ' 1 P SLOPES REGIONS INDICATED ON PLANS THAT ARE 3:1 SLOPES
y\`� � / �\ \� ��� uNE DOWNHILLSL PE OFV \i'•• / i i' { Yr ,' `G'' i _ I I 1_^ I. 1 1 1 - I I -'� - OR FLATTER FOR GREATER THAN 50'IN LENGTH WITHIN7 •
\ I / \ \\\�\�.T1'��-\\p -EDIVENT BASIN, FTER THE Erb. �`�� \� + ,� , ®I I 'I , 1 .J I ' -- ® DAYS.STABILIZE SLOPES GREATER THAN 3:1 WITH IN 7 DAYS. CIVIL LANDSCAPE
STABILIZE 3:1 SLOPES ABOVE �� © _© p / I ` IIII 1 1 NN 1 •
ELEVATION 312 FOR SEDIMENT BASIN `r- 1' /`/J,;,',/ ®�� OR A•ROVED EQUAL-`:•\ yI�//O r\ i e „! i� f �� I Ipl 1 I I I - STABILIZE ALL •
OTHER REGIONS ON SITE WITHIN 14 DAYS. I ENGINEERING I ARCHITECTURE
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/ / • AS 2�.UBLE SILT FENCE OUTL€ \_ \1` t I� I
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PAM LOGS SHOULD LIE III\STRUCPURE'NVERT. I 1 I+PF / ; / .vvp-,�� � o`\ �`\\ \� _ I I 1 7- J I t 1 \. `\ III III jlllrl _-_-I I Y ' 1_ •
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Ip ® \ � ' D• BL�SLT�iEN4(T 1 `` I® \ \1 P I T 1 V I 1 I V • I I I II I'1 E I I ■ DURHAM COUNTY
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•ADDRESS.12020UVE BRANCH ROAD `\ Iln[1 `\ I1 \ s\.�11 ` /O ,' 1 ,\1 \\\ I l I I 1 I1� I •
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1 �1 SI FENCE TYP I�\� \ N � � `I♦ � - _ �)I -- �- • I I 11 I ARCHED STONE FIL ER'� ■4j I I �;_ �� . . �� t11 II�1I ICONTROL
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'®: STABILIZE WITHIN 7 DAYS. 1`` "'�- � �"\± � .\! I�\ '� �� '�\' \ ' 1 \� `1 ®CONSTRUCTION',!i E),l�+\ SEE NOTE IT THIS SHEET. \ //I` �•`N/1��� �� 6- \ ��- / \� M�•�' • 1•ENTRANCE // •
�� .1. \ C. ' ee0' % r,^3. `i `\`O �`1 �XCRETE WASHOUTS% i/i�\ \ +' •
•q\ :�\\` �♦'Ys \ 1�1 ✓/ ���I/ �./J///T', � �� `i+,\\ (.T30 Irr A \ ✓ y,'4` 1��;b�'� V `` nLEGEND NOTES' •
.®• \ \`\ \ / .rjL I i¢l� \ \ I % •'\\�,' x 'PHASE 2 SILT FENCE AND TPF TO BE INSTALLED ONLY ONCE PERMIT
\\_,,\\ ��`\ •, `: 1 I * ♦8)I �'� • - `W`4 '41 \ ) \ - \ / \ SLtD ' I .l l ` \ ALLOWINGSTREAM BUFFER IMPACTS IS OBTAINED�\\ w.\\�i�,.\O �\ \\ ' \ \\ ` * \\N� +ia �� \,, � \\\\ \�..rAs I\\' 1� I, /�. � e��`�' \ 3 5' /.l�j�\�\ ■
+ ` 1 ' I ' `�A s. / AEROSION CONTROL LEGEND�*a. �,� �� A`Vr ` i�*" V vv , �`i I 1 1 A /�i�l_:��� 'e•`�•. �' ' A ■
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\� �, �.�i\\ \ , F 1 � �\' 1 I , / / -� Sk DESCRIPTION SYMBOL DETAIL ■
\\\ \\ \\`\ �� •!-\\ I`I\\ \\\ \`I\ \ i TT.b \ '- � ��� \\! I 1 ` "�� 1 / _ �4Y.\�``�`7��(I \\ {1 1 1 1-� ® ■
\ \/ •}`y t� / CONSTRUCTION ENTRANCE
iii\ \ \ 1 \�q\` 40% I Vy, - STABILIZE WI`IN Z DAYS. U" \ % GG� `' ' PH�E -�F �F ■ ',"���..n....,
\ � •�• \\\\ ��� , SEE NOTE THIS SHE \ �__ (:, TYPICAL ALL PHASES TPF-TPF- . CA RO
�\ . \�h'/, •1 � \ ��/' / TREE PROTECTION � ■ SH
\ \ \•:``� _�S '!.\\\\` •\ \''':
\ \I �� - 1 \-m ,- -• ,.. lb' • :‘1;:v:
/ FENCE rHnsez ■ �•' e\`�\• 4'alatBTp Y.,q� .7 1 ` / Ir�.1 / sF-sF- I,ab S' / \ . ,� , \ \ \. \���V" \\'- i� �„^, ,,l F'...�`1ASILT FENCE\\�4e: \\�\ \\ I \` �� �� \ \.��°��(l -% ,`/ \INLETJfR6�ECTlO ` /'I ,�;:P�� �:; .. \ a`\ � :a ' • 05 4fDca S�Dl,rycom,
+� .\��\\\\ h � � ! ,� '.,+ / , `:-. ,( •Nadta\,AIja 10=GDnIryU=PA,
\ \ w.\\ \\\\\\ I` 1\�\\\_: ��� �`� ��\. f��. ` ' '� J. ,\ �1:\\'\ / LIMITS OF DISTURBANCE -to-Lo- ■ .•'.,NCINEpaM1lad,t Allabl
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N. \• / '\ L I' \� / SILT FENCE OUTLET "•.....\ / \\\1`\\\\\ \�%\I �m \� \y�F� '�iO\\�� �� � �� �I\J �...:�/,. � ..` �•• • PER COUNTY COMMENTS
/ / \` \ Y% ` h / '� 1 FORAPPROVAL NA
\n 1 � �� �v
' , INLET PROTECTION ■
\`\\ ;�k\\\\\ \ -o- \1\\\�\.: .\''S i I .i" �/' .\\\\ ♦O�ca7,,,....‘i II' %II 11'4\ N • y\ / DIVERSION BERM - •
-# ` i � �� \\\\ \ \ \ \ DIVERSION DITCH I
\.\ `\` I' \‘ 4 �`�\\ \-- � ' ,.ter'-- //,h '': \\\ \\\3\ \ \ \.. \, ■'•. 1 \ It�✓ �� � • -� �® 1 ;�~' `��� i j :-`\ I I (`C;\ \\1:,:s:::.
` \\14\/..rt`` Jj _�-_ I ,1..� `. CHECK DAM _ � ■
V7 \ \\\ \ i, \ '`\\�\�� I/ IP, /•'� , \\ \\ \\` \\�♦ \\\\ 3\,�.\ ` . `, VELOCITY DISSIPATOR I I`� bo ■eh
\`\\' . 11\ dJ�, �� �� ..A,✓'tom ' l�i \ \ \ \ \\\\\ IF ♦ ITYOFDURHAM� \�1 �o = � 5, � \•` \ ` \ \ \ ` '+ %�` ■ PUBLIC WORKS DEPARTMENT11 ( P A oB� p� s' I \� VIvA `vvv \ V I'o 1 :1 �� \ / SKIMMER BASINI APPROVED�1 sJJ \� \ \ •\ y t.•MI ENTRANCE _ �'! '' y ���� \ �` \ \\� `\ \ \\ ` •4iiiii
r 1 .rvc+rveea rveonre�,\ ` � F`- j\ "i1 !\FI , \\\ \\\\\` \\ \\ \1 ../'- {� / ��y ITC, SKIMMERonh1 J �\ / �`:\ ,� 3` C �'I\y\ `\\\\\\ \ \\ I \\I { 1i :� ,dam;- ��- OCONCRETE WASHOUT o\\ ` 1 I : ' I / / _ , ��'\, \\ \ `\ \ 1I �� ■ 811-CALL BEFORE VOU DIG
_ \ ��j ��i� tI\ \\ \\ / 1 .�a � -� COIR BAFFLE IV� \�\ /! \// /: �'��`l� �l.. `'`I \�\\\`\\\\\\\\00000
,'f/ i Bra%.'£� Py'Q!,/' ■ DRAWN BY: CHECKED BY:
�, 1 \\•�L\ t� \ `\ '' .•� ,• ,,¢f31'�,• s" ARCHED STONE FILTER pI.1_ NNA T$
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\ \ ` �� `-1�� !--• \ \\\ ▪ DATE
JANUARY 12,2023
■
PROJECT NO.
■ 1886A
EROSION CONTROL PLAN - FINAL ° 40 80 160 A ■ SHEET NO.
C503 SCALE:1"=80' SCALE:1"=8o'
••
O
C 503
• CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,N.H.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

PIN: 0860-64-39-6981 ■
NOTE: DURHAM COUNTY DETAILS ARE FOR REFERENCE ONLY. CONTRACTOR TO REFERENCE AND CONFIRM CURRENT DETAILS WITH DURHAM COUNTY AT TIME OF CONSTRUCTION. PID: 194191 •
■
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NOTES: DLE AT ALL POINTS OF f VANDAL.s Ny e,TIE UN.Am 1 •
NOTES: - '''INGRESS -
& EGRESS UNTIL SITE IS - I I i/'�"'wAl - I ■
D. RAILROAD BALLAST OR SURGE STONE SHALL STABILIZED, FREQUENT CHECKS OF TREE PROTECTION AREA , I ■
BE USED, PAD TO BE 50'1 X 20'W X 8' THE DEVICE AND TIMELY •• ,•;•;•:;❖; —
MAINTENANCE MUST BE PROVIDED. rm.io GA 00 NOT ENTER •
D AT A MINIMUM. uT eres g1 �•�•�� �s ere 1 1 1 1 11/7 FLOW of WATER
r r W 11 1 1 1 AIN'o 2,1.NEEDED ■
b.TURNING RADIUS SUFFICIENT TO - --_, cum
S I / NET,PosTs Era CHANNELS ON ■ Qunit‘,/
ACCOMMODATE LARGE TRUCKS IS TO BE 0:•:':• ::::U....__ __..1:!:!:!:!:_:!i!:!y!:!:!:!:!�!:
PROVIDED. TD■4 11HUEI•••IrIFUN LFgNA1J tlNIFT•-11 1141J=l1 P _,1=r '^ } \ ■
NAND sAN
3I RIMSTANT
c. ENTRANCE(S) SHOULD BE LOCATED TO DM-MOLE MENG.Po_N Duna.F.Wrc aTruu N i f 40•"`E.uv�o�s` ` , E' BF 00 EQUIVALENT gc0000 mDm� •
PROVIDE FOR MAXIMUM UTILITY BY ALL - ii
we"rri cLEs aR voR.AT a-DET •
III' CIVIL LANDSCAPE
CONSTRUCTION VEHICLES. TO INCREASE SJET THE SILT
AND
z PROLONG THE LIFE OF THE SILT FENCE.R ■ ENGINEERING ARCHITECTURE 1
d. MUST BE MAIMNNED IN A CONDITION y _ Tr S GENERALLY ADVISABLE TO DIG A ■
0 =-TIE "=-' = FRONT VIEW I q SEDIMENT PR IN FRONT OF THE SILT
WHICH WILL PREVENT TRACKING OR �� - T FENCE WHENEVER POSSIBLE / NNL sFnNDN STORAGE LEVEL REMOVE • 16 CONSULTANT PLACE,SUITE 201
H= TREE NMTECTDX AREA / SEEMENT WHEN MS LEVEL IS REACHED OR
DIRECT FLOW OF MUD ONTO STREETS. ♦ �//L ,S DIRECTED • DURHAM,NORTH CAROLINA 27707
PERIODIC TOPDRESSING WITH STONE A�'r. -IIII��I. e` 00 NOT ENTER + ./�;
SILL BE NECESSARY; KEEP SOME HANDY. 0,j��.�11* 4o, — !°/ ■ P919.a9oA990
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ii �;!■.�; k.ta , * WARNING SIGN DETAIL / ■
e.ANY MATERIAL WHICH STILL MAKES IT •■■�4.■!.■ -■•_■■�■ SIDE VIEW• NUM
ONTO THE ROAD MUST BE CLEANED UP •_• •■•±•• • ■■■■■•■' a•".-..rr«1PROOFw,wu. 1V ■ NORTH CAROLINA BOARD OF
IMMEDIATELY. ee�e''L1■$0,0 ■ ■•�■�� ®AS RETAFa n _ • EXAMINERS FOR ENGINEERS AND
LEITERS TO BE TIM S.,StiALL BE PLACED AT SVIA001.1 INTEIVALS TRENCH,COVEN W/SOIL a TAN,mom, • SURVEYORS LICENSE NO.:C-0676
0.` E.MIN ••::V74•■■• '�•%/ FEACE A S.AT EADF Do Of I.B.R TA.PROTECT,.Anal SR.MITER INER.FTEIL FOR TREE PROTECTOR AREAS LESS TUN 200.11. .PROMS NO LESS MAN de BON PER PROTECTION wNA =-tt SHEEP OWN.(ONLY? •
f '��•• ■ _ _ __.___ NATURAL OWE ■
"vi �:i��•e'• AO...S.5 VA,'BE RFC..Duca oN ALTO.FIELD COMITIPS.
PLACE.su.r EA.DO OF LICAR TN[PwTEcnw MO S0 w rprzn TI.EAFmc q TC M171I=Tf T_ WNr MPROX12-OF FARM INTO TRENCH.
JFrIt1M
=11It1 T 11-11-
RAILROAD BALLAST OR SURGE STONE =- ode ANA,SOII, • I�, 1 1' �J�I 1�1 I GAMY O.OF NINE INTO TRENCH. •
rr GAMY •
r` ProYIbNe Ebb �,11.111-
+ METH POSTS AT itlD.G YNL.
•
NOT TO SCALE WARNING SIGN DETAIL NOT TO SCALE •
•
EROSION CONTROL DETAIL si` •
-� y"a,• EROSION CONTROL DETAIL 7° EROSION CONTROL DETAIL
DURHAMGDEPA COUNTY,NC CONSTRUCTION ENTRANCE %�:
DATE m DURHAM COLIMA',NC ENGINEERING
COUNTY,NC •
c ENGINEERING DEPARTMENT TREE PROTECTION DETAIL TEMPORARY SILT FENCE
p�- .- ENGINEERING DEPARTMENT 'L ENGINEERING DEPARTMENT o�a9 -
"1'� REV: I D2/B9 CE_1 �2 DATE D, TS,aPTr se r ■ S O LA N A II
OM, TPT
/ GENERAL NOTES Steel Fence Poe
■ 1051 OLIVE BRANCH ROAD
-- e..w.- YATe Fence • DURHAM NORTH CAROLINARY
1. RIPRAP SIZE TO BE DESIGNED BY ENGINEER. I DURHAM,
I Filter Fabric ■
� = 'LI. 2. CHECK DAMS MAY BE USED IN SLOPING DITCHES Hardware Cloth I on Ground ■
EME
II__ Im G OR CHANNELS TO SLOW VELOCITY OR TO CREATE •
.I •
_?.r��li� SEDIMENT TRAPS. ,-e.rL Flter or 1.Oameter ;.I ■
W -C�i6 111111 111 1 a� 3. ENSURE THAT MAXIMUM SPACING BETWEEN DAMS PLACES THE I /B rAvm STONE Washed scone I •
4. __ -_ __ TOE OF THE UPSTREAM DAM AT THE SAME ELEVATION AS THE .W^`� �-
^l DOWNSTREAM DAM (SEE DIAGRAM BELOW). : I ■
W1. �.7 Il
Bury Wlro fence 9ntl HaMWaro Cloth II •
i ttiti �g.W"i II SECTION •
Ows a RP ' A� rr �pm. N.._. .r COFFER
"FT"- /y_ A MAXIMUM SPACING ►B \%014. i:: j "�i 4:--.-. �NBigoO goo goo 800goo sac,Boo og ■
Roo a��eBa� EROSION
A5 WASHED STONE (1/4•TO 1/2•GMT OPENING) dl�l TI- ` e 683 `�a ■
er, , =IJ_Tlgp�T = _IRIS 6 TI_IT_ "a' g 8g$p Base ■ CONTROL
■RE MESH BMOC
A AND B ARE AT EQUAL ELEVATIONS $$ $8 So •
': e
` CROSS SECTION voo� o o ■ DETAILS
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2 WITH GRATE T -� •r ^{:q.E1. V o �.-113H- ...
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a.a ��f+a •i ,��y+K�OSA �•�-Y- mTER aDN PLAN ■
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-yI � 4'Min.
SPECIFIC APPLICATION: I I I I I N ■
THIS METHOD OF INLET PROTECTION IS APPLICABLE WHERE HEAVY ■1 Ri it■1 I■ L■ 10I •
FLOWS ARE TOPELTED AND WHERE OVERFLOW CAPACITY IS ®Iliiiimiilfliiiiii'lliiiiiilYiiiiimlViiiiiiml ilk
NECESSARY PREVENT EXCESSIVE PONDING AROUND THE STRUCTURE. PLAN col,Imiiimmifllmiimmmlllmmimiil■mmmiimllimmiimilIP ■
• mlliimimmm mmmimmilr
NOT TO SCALE NOT TO SCALE Ti'aiimmmim mmimmmm;ll ■
1i7iimiiim miiimiil6i
lllmiiimmm mmmmmmi76N •
�"+: EROSION CONTROL DETAIL BLOCK AND GRAVEL s EROSION CONTROL DETAII. ilmmiimmi mimmiiillT
DURHAM COUNTY,NC �\ DUAL-TAM COUNTY,NC TEMPORARY ROCK CHECK DAM ®iI®®mii®® iiooila. ■
tt1 �ENGINEERINGDEPARTMENT STONE INLET PROTECTION _ 99 -m RENGINLLRINGDEPARTMENT D.N9 I La slmiimmii muminl■s •
DATE a
o: D1.J 1
■
_.........
I I Top or SHE Fence Must FRONT MEW •
I Be at Leaet 1'Above
ARM ASSEMBLY lh,T9P of the Washed ■
PLAN VIEWNDESIGN CRITERIA III I: Stone / FllterYFobtlesnae, •
�— erre• eI°Ine.Peal.a s,Erna�nan..o� I�F I� � Steal Fence Poet Set Max.2'Apart/ andClot Hardware
In Trench ■
((I(IKO' ENCLOSURE •
INFLOW
^ ^`
STRUCTURE N�
III III — — WATER ENTRY UNR pa,,yTrr-ro%A •
CT—
PERSPECTIVE VIEW a11 ERTOSIDROAMOCNOTLRYDLECAIL ■ PER COUNTY COMMENTS
■ SILT FENCE OUTLET 1 I FOR APPROVAL I NA
11W11' , _ '1A 11� ENGINEERING DEPARTMENT e/2/2023
{ 4Miw
,IR-�� PVC VENT SCHEDULE 40 DATC ID •PVC ELBOW PIPE PVC p1pE
PVC END CAP 02/09 SF-2 ■SMMMERDEWATERING •
DEVICE WATER SURFACE I I
EMERGENCY /�iml IN■ice\ /�imiemiim�lSPILLWAY '�i■'l=9■ice/ ���m�/ 4'(MAXI INSTALL T-POST TO •
,ongrmireIE7!_TII PVC END CAP 4/�•U DRAPE BAFFLE MATERIAL OVER WIRE ANCHOR BAFFLE TO
AWOT Ac. �� ,rwmuon loPL d re �,�`' STRAND AND SECURE WITH PLASTIC SIDE OF ■
H - 1 SCHEDULE 40 ` TIES AT POSES AND ON WIRE EVERY 12' EC RE BASIN
VERTICAL ■
PVC PIPE PVC PIPE T. POST
ER SURFACE
PVC TEE UNDERSIDES 1N ORIFICE •
CITY OF DURHAM
TIE v PRNCPNI SPILLWAY TINx BAFFLES PVC TEE PV.TE � —III VARIABLE ■ PUBLIC WORK$DEPARTMENT
=11, DEPTH APPROVED
9 GAUGE MIN HIGH III—' ■
f1IXIBLE TENSION WIRE STRAND �I � srvdrveralrve DAD
EMBANLMENT HOSE SHALL BE SECURED - — — — — — — — — - - ■ sI aMwaee DAD
INFLOW I•FREEBOARD b =1 b =1 b I I b I=I =11 1 11 1 rI D
STRUCTURE BAFFLE B TO POST TOSUPPORT • TFAusuvuDou onre
/ _ 111111\\Q\,` NOTES: BAFFLE MATERIAL
` _ _, I ■ 811-CALL BEFORE YOU DIG
1 BAFFLE MATERIAL BAFFLE MATERIAL
6'YK InvE ELEVATNOx OF 1. INSTALL THREE(3)COIR FIBER BAFFLES IN SILT BASINS SECURE BOTTOM OF BAFFLE ■ DRAWN BY: CHECKED BY:
DE WATERING EMEGENCYS%LLWAY EMERGENCY END VIEW FRONT VIEW AND SEDIMENT DAMS AT DRAINAGE OUTLETS WITH A TO GROUND WITH 12"STAPLES
SPILLWAYSPACING AS NOTED IN NOTE 2. AT 12"MAXIMUM SPACING ■ BY TS
FILTER FABRIC I 2. INLET ZONE-35%OF SURFACE AREA;SECOND • DATE
J CHAMBER-25%OF SURFACE AREA;THIRD CHAMBER 11 GAUGE BAFFLE MATERIAL SHALL BE SECURED JANUARY 12,2023
_
LANDSCAPE TO THE BOTTOM AND SIDES OF BASIN
- OF SURFACE AREA;OUTLET ZONE-15%OF ■
SEDIMENT
ZONE SCHEYADC OF SKIMMER TAKEN FROMPENNMVNiN EROSION AND SEDIMENT POLLUTION CONTROL MANUAL,MARCH 2000. STAPLE USING 17 LANDSCAPE STAPLES PROJECT NO.
STORAGE
SURFACE AREA. ■ 1886A
CROSS-SECTION VIEW
NOT TO SCALE NOT TO SCALE 3, TOP HEIGHT OF COIR FIBER BAFFLES SHALL NOT BE
BELOW THE BASE OF EMERGENCY SPILLWAY. ■ SHEET NO.
N
.YMBp°• EROSION CONTROL DETAIL "-`O-,� EROSION CONTROL DETAIL _ I—III II I I—I I I-1 •
DURHAM COUNTY,NC SKINEMER SEDIDIENT BASIN t ,. DURHAM COUNTY,NC SKIMMER ' DATE ID 9 COIR FIBER BAFFLE C504
a ENGINEERING DEPARTMENT eATc m ENGINEERING DEPARTMENT
'O,,, C. ,,, I um ew 1 ':: AEV I 02/09 SB-1 STEEL POST-2'0"DEPTH
C504 SCALE:N.T.S. ■
• CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF C/UNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

PIN: 0860-64-39-6981 ■
PEMANENT G SCHEDULE
FOR HOULDERS,SIDDEDIITC ES&SOPES(MAX2:1) SEDIMENTATION AND EROSION CONTROL(S&E)ENFORCEMENT AND CONSTRUCTION PID: 194191 ■
DATE TYPE PLANTING RATE ■
SEQUENCE
AUG 1-MAR I CREEPING RED FESCUE 300#AC
Q
/ IF AN OFFSITE SOIL SPOIL OR BORROW SITE IS ■
NOV 1-MAR I CREEPING RED FESCUE 300#/AC
AND RED I EVE 25#/AC ENFORCEMENT NOTE I.FAILURE TO EXPLICITLY FOLLOW THIS CONSTRUCTION SEQUENCE MAY RESULT IN DURHAM COUNTY SEE ENFORMENT ACTIONS, UTILIZED, THEN THE DISTURBED AREA FOR THE
"0.1.0%)
MAR I-APR IS CREEPING RED FESCUE 3W#/AC INCLUDING BUT NOT LIMITED TO CIVIL PENALTIES,INJUNCTIVE RELIEF,CRIMINAL PENALTIES,AND PERMIT REVOCATION.ADDITIONALLY,TTO E ■
APR IS-JUN 30 HULLED COMMON SEDIMENTATION MAY RESULT IN RESTORATION REQUIREMENTS.BEYOND THESE REMEDIES,VIOLATION OF PLAN REQUIREMENTS IS SUBJECT TO ENFORCEMENT SPOIL/BORROW SITE MUST B E INCLUDED I N
BERMUDA GRASS 22#/AC BY NCDENR AND USEPA. ■
JUL 15-AUG IS A RED M-SU 3512 H/A C
AND M-SUDOPMILLET 35#/AC ENFORCEMENT NOTE 2.IF THE DURHAM COUNTY SEE STAFF DETERMINE EXCESSIVE SEDIMENT MAY BE LEAVING THE SITE BASED UPON EITHER OFF-SITE THE LAND-DISTURBANCE PLAN AND ■
ammem\
OR SORGHUM-SUDAN HYBRIDS 30#/AC SEDIMENTATION,I ASSOCIATED
TED REQUIREMENTS
IN ME TS FOR OR ANY POTENTIAL MEASURES.
RISK FACTORS,A REVISED SEDIMENTATION AND EROSION CONTROL PLAN MAY ■
BE REQUIRED,WITH ASSOCIATED REQUIREMENiS FOR ADDITIONAL SEE MEASURES.
FOR SLOPES(3:1 TO 2.1) PERMIT UNLESS THE SPOIL/BORROW SITE HSG 'D' SOILS ■
NCGOI SELF-INSPECTION NOTE.PROJECT IS SUBJECT TO NCGO1 SELF INSPECTION REQUIREMENTS AS OUTLINED IN GENERAL PERMIT NO.NCG070000.FOR
MAR(-JUNI CREEPING RED FESCUE 50#/AC FULL DESCRIPTION OF SELF-INSPECTION REQUIREMENTS REFER TO FORMS FOUND AT: ■
(APR 15-MAY 30)OR ADD LITTLE BLUESTEM 10/12#/AC HTTPS://DEQ,NC.GOV/ABOUT/DIVISIONS/ENERGY-MINERAL-LAND-RESOURCES/ENERGY-MINERAL-LAND-PERMITS/STORMWATER-PERMITS/CONSTRUCTION-SW ALREADY HAS A LAND-DISTURBANCE PERMIT.
(MAR 1-JUNE 30) OR ADD HULLED COMMON BERMUDA ■GRASS 25#/AC INITIAL MEASURES,CLEARING,GRUBBING AND GRADING. LIMITS O F DISTURBANCE _ 49. ■00 Qunity
JUN 1-SEPT 1 ***CREEPING RED FESCUE AND 120#/AC
"""BROWNTOP MILLET 35#/AC 1.OBTAIN AN APPROVED EROSION CONTROL PLAN FROM DURHAM COUNTY.THIS PLAN MUST BE STAMPED ON COVER SHEET WITH AN APPROVAL DATE. ■
"""OR SORGHUM-SUDAN HYBRIDS 30#/AC 2.OBTAIN ALL OTHER REQUIRED FEDERAL STATE,AND LOCAL APPROVALS AND PERMITS,INCLUDING DURHAM CITY INFRASTRUCTURE CONSTRUCTION I' STABILIZATION TIMEFRAMES A C (2,134,440 S F
SEPT 1-MAR 1 CREEPING RED FESCUE 120#/AC DRAWING APPROVALS PRIOR TO INFRASTRUCTURE INSTALLATION. ) ■
3.INSTALL TREE PROTECTION FENCING IN ACCORDANCE WITH THE APPROVED EROSION CONTROL PLAN AND APPROVED SITE PLAN. (Effective Aug.3,2011)
(NOV I-MAR 71 ADD ABRUZZI RVE 25#/AC
4.INSPECT TREE FENCE AND SUBMIT A'7REE PROTECTION FENCING CERTIFICATION"FORM TO DURHAM COUNTY S&E OFFICE,FAX:[phone].THE FORM
CAN BE FOUND AT: ■ ENCIVILGINEERING LANDSCAARCHITECPT EURE E
CONSULT CONSERVATION ENGINEER OR SCS FOR ADDITIONAL INFORMATION CONCERNINGOTHER ALTERNATIVES FOR VEGETATION OF DENUDED AREAS,ABOVE VEGETATION RATES ARE hnp://www.dUrhamcountync.gov/deppnments/cen0/Dowmenh/PDF/TInn_Protection_Form.pdf SITE AREA DESCRIPTION STABILIZATION TIMEFRAME EXCEPTIONS AREA STABILIZED BY ■
THOSE WHICH DO WELL UNDER LOCAL CONDITIONS:OTHER SEEDING RATE COMBINATIONS 5.CALL DURHAM COUNTY SEE OFFICE FOR INSPECTION OF TREE FENCE INSTALLATION,[phone].IF A RE-INSPECTION IS NECESSARY DUE TO INCORRECT
ARE POSSIBLE. INSTALLATION,A RE-INSPECTION FEE WILL BE ASSESSED. ■ 16 CONSULTANT PLACE,SUITE 201
ADTEMPORARV.RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED PERMANENT 6.SCHEDULE AND HOLD A PRE-CONSTRUCTION CONFERENCE PRIOR TO BEGINNING ANY LAND-DISTURBING ACTIVITIES.THIS CONFERENCE SHALL BE _ DURHAM,NORTH CAROLINA 27707
VEGETATION.DO NOT ALLOW TEMPORARY COVER TO MOWING,
OVER I IN HEIGHT BEFORE ATTENDED BY A REPRESENTATIVE OF THE FINANCIALLY RESPONSIBLE PARTY,THE GENERAL CONTRACTOR,GRADING SUB-CONTRACTOR,EROSION ILOPerimeter dikes,swales,ditches,slopes 7 days None VEGETATION 28.53 A C ■
MowG,OTHERWISE FESCUE MAYBE SHADED OUT CONTROL SUB-CONTRACTOR,AND DURHAM COUNTY.CONTACT DURHAM COUNTY AT(919)560-0739 TO ENSURE REPRESENTATION BY THE TECHNICIAN
FOR THAT PROJECT.
P 919.490.4990
7.INSTALL SEE INSPECTION BOX.PLACE APPROVED SEE PLAN,NPDES NCG010000 PERMIT,AND INSPECTION NOTEBOOK IN THE BOO.INSTALL THE RAIN www.qunity.com
TEMPORARY SEEDING SCHEDULE GAUGE ON THE BACK OF THE POST HOLDING THE SEE INSPECTION BOX.SEE INSPECTIONS ARE REQUIRED AT LEAST WEEKLY AND AFTER EACH'/"RAINFALL. 4.ev144 High Quality Water(HQW)Zones 7 days None (1 242 740 SF) ■
FOR SHOULDERS,SIDE DITCHES&SLOPES(MAX 2:1) (IF DISCHARGE IS WITHIN NEW HOPE CREEK WATERSHED,INSPECTIONS ARE REQUIRED AT LEAST TWICE PER WEEK AND AFTER EACH'/"RAINFALL.)THE SEE / ■ NORTH CAROLINA BOARD OF
DATE TYPE PLANTING RATE INSPECTIONS SHALL BE RECORDED AND MAINTAINED IN THE INSPECTION NOTEBOOK.IF A SEDIMENTATION AND EROSION CONTROL MEASURE HAS FAILED, EXAMINERS FOR ENGINEERS AND
AUG 15-NOVI TALL FESCUE 300#/AC REPAIR IMMEDIATELY AND CONTACT THE DURHAM COUNTY SEE OFFICE BY PHONE WITHIN 24 HOURS,AND IN WRITING WITHIN 5 DAYS.RECORDS OF
NOV I-MAR 1 TALL FESCUE 300#/AC THESE NOTIFICATIONS MUST BE MADE AND MAINTAINED IN THE INSPECTION NOTEBOOK.IT IS STRONGLY RECOMMENDED THAT THE SEE MEASURES BE If slopes are 10'or less in length and are RIVER BASIN N E U S E ■ SURVEYORS LICENSE NO.:C-0676
AND ABRUZZI RYE 25#/AC INSPECTED EVERY WORKDAY. •
MAR 1-APR 15 TALL FESCUE 300#/AC 8.OBTAIN LAND-DISTURBING PERMIT,AND POST THE PERMIT IN THE SEE INSPECTION BOX. N Slopes steeper than 3:1 7 days not steeper than 2:1,14 days are allowed.
APR 15-JUN 30 HULLED COMMON BERMUDA GRASS 25#/AC 9.INSTALL CONSTRUCTION ENTRANCE. ■
JUL 15-AUG 15 TALL FESCUE 300#/AC 10.FOR ALL DRAINAGE AREAS INSTALL DIVERSION DITCHES,SILT FENCES,CHECK DAMS,SLOPE DRAIN,AND OTHER INITIAL EROSION CONTROL MEASURES AS
AND BROWNTOP MILLET 35#/AC SPECIFIED ON THE PLAN.REMOVE ONLY TREES AND GROUND COVER NECESSARY TO INSTALL THESE DEVICES. - ■
OR SORGHUM-SUDAN HYBRIDS 30#/AC 11.INSTALL ALL SEDIMENT BASINS PRIOR TO ADDITIONAL WORK IN THESE DRAINAGE AREAS. ■
12.IF A PERMANENT STOCKPILE OR SPOIL AREA IS NECESSARY DUE TO EXCAVATION OF THE SEDIMENT TRAP/BASIN OR SITE GRADING,PLACE A DOUBLE ROW Slopes 3:1 or flatter 14 days 7 days for slopes greater than 50'In length.
FOR SLOPES(3:1 TO 2:1) OF SILT FENCE 10 FEET APART AT THE LIMITS OF THE STOCKPILE AREA SHOWN ON THIS PLAN.TREES AND GROUNDCOVER MAY BE REMOVED ONLY AS ■
NECESSARY FOR THIS STOCKPILE.
MARI-JUNI TALL FESCUE 120#/AC 13.INSTALL ALL EROSION CONTROL MEASURES PRIOR TO THE REMOVAL OF ANY ADDITIONAL TREES OR GROUND COVER.STABILIZE THE INLETS TO THE ■
(MAR I-JUNE 30) OR ADD WEEPING LOVEGRASS 10#/AC SKIMMER BASINS AS SPECIFIED ON THE PLANS.
(MAR I-JUNE 30) OR ADD HULLED COMMON BERMUDA GRASS 25#/AC 14.PROVIDE TEMPORARY GROUNDCOVER IN THE DIVERSION DITCHES,AND SEDIMENT TRAPS/BASINS WITHIN 3 DAYS OF COMPLETING EXCAVATION. II_ All other areas with slopes flatter than 4:1 14 days None,except for perimeters and HOW Zones, ■
JUN 1-SEPT 1 "•'TALL FESCUE AND 120#/AC 15.CALL DURHAM COUNTY SEE FOR INSPECTION OF EROSION CONTROL MEASURES.IF A RE-INSPECTION IS NECESSARY DUE TO INCORRECT INSTALLATION,
"""BROWNTOP MILLET 35#/AC THE PROJECT IS SUBJECT TO RE-INSPECTION FEES AND ENFORCEMENT ACTION. ■
"NOR SORGHUM-SUDAN HYBRIDS 30#/AC 16.AFTER INSPECTION,POST THE CERTIFICATE OF SEE INSTALLATION IN THE SEE INSPECTION BOX.
SEPT I-MAR 1 TALL FESCUE 120#/AC I7.BEGIN CLEARING,GRUBBING AND GRADING OF SITE IN ACCORDANCE WITH THE APPROVED SEE PLAN. ■
AR 1) ADD ABRUZZI RYE 25#/AC
VIDE ALL
ER ACCORDING TO THE SCHEDULE BELOW:
CONSULT CONSERVATION ENGINEER OR SCS FOR ADDITIONAL INFORMATION CONCERNING OTHER 18 THE SEEDING,DISTURBED
SEEDBED PREP R TION,MULCH ANDVROLLED EROSION CONTROL PRODUCT INSTALLATION MUST BE IN ACCORDANCE WITH THE SEEDING
SLOPES>3:1-7 DAYS: SLOPES<3:1-14 DAYS: ALL OTHER AREAS-14 DAYS. •
SOLANA II
ALTERNATIVES FOR VEGETATION OF DENUDED AREAS.ABOVE VEGETATION RATES ARE THOSE WHICH DO SCHEDULE PROVIDED IN THIS SEE PLAN.SEED TAGS FROM ALL SEEDING OPERATIONS MUST BE RETAINED AND PLACED IN THE INSPECTION BOX.
WELL UNDER LOCAL CONDITIONS:OTHER SEEDING RATE COMBINATIONS ARE POSSIBLE. 19.FOR THE USE OF FLOCCULANTS SUBMIT A SOIL SAMPLE(FROM THE SUBSOIL IN THE AREA TO BE GRADED)TO APS,519 INDUSTRIAL DRIVE,WOODSTOCK,GA ■ 1051 OLIVE BRANCH ROAD
30189 IN ACCORDANCE WITH THEIR PROCEDURES AS DESCRIBED ON THEIR WEBSITE,W W W.SILTSTOP.COM.PLACE A COPY OF THEIR RECOMMENDATION
"""TEMPORARY-RESEED ACCORDING TO OPTIMUM SEASON FOR DESIRED PERMANENT VEGETATION.DO IN THE INSPECTION NOTEBOOK.THE ONLY FLOCCULANTS THAT MAY BE USED ARE LISTED ON THE FOLLOWING WEBSITE: ■ DURHAM COUNTY
NOT ALLOW TEMPORARY COVER TO GROW OVER 12"IN HEIGHT BEFORE MOWING,OTHERWISE FESCUE HTTP://H2O.ENR.STATE.NC.US/WS/PAMS_LIST.HTM.FLOCCULANTS MAY ONLY BE USED AS PRESCRIBED ON THE WEBSITE,AND MAY NOT BE USED UNLESS DURHAM,NORTH CAROLINA
MAY BE SHADED OTT. INSTALLED BEFORE A SEDIMENT TRAP OR BASIN.IMPROPER USE OF FLOCCULANTS MAY RESULT IN ENFORCEMENT ACTIONS AND RESTORATION ■
REQUIREMENTS BY EITHER THE LOCAL STATE OR FEDERAL AUTHORITIES.FLOCCULANT LOG LABELS MUST BE RETAINED AND STORED IN THE SEE INSPECTION
BOX. ■
SEED BED PREPARATION INFRASTRUCTURE INSTALLATION ■
20.INSTALL STORMWATER PIPING AND OTHER UNDERGROUND UTILITIES.ENSURE ALL STORMWATER INLETS ARE PROTECTED PRIOR TO RAIN EVENTS AND AT THE Al CHISEL COMPACTED AREA AND SPREAD TOPSOIL 3"DEEP OVER ADVERSE SOIL CONDITIONS. END OF EACH WORK DAY. ■
B)RIP THE ENTIRE AREA TO A 4"DEPTH. 21.ENSURE ALL STORMWATER PIPING VELOCITY DISSIPATER PADS ARE INSTALLED IMMEDIATELY FOLLOWING INSTALLATION OF A DISCHARGING SECTION OF ■
CI REMOVE ALL LOOSE ROCK,ROOTS,AND OTHER OBSTRUCTIONS LEAVING SURFACE REASONABLY SMOOTH AND UNIFORM. PIPE.
DI APPLY AGRICULTURAL LIME,FERTILIZER,AND SUPERPHOSPHATE UNIFORMLY AND MIX WITH SOIL(SEE"BELOW) 22.AT THE CONCLUSION OF THIS INSTALLATION,PERMANENT GROUNDCOVER IN ACCORDANCE WITH THE SEEDING SCHEDULE IN THE S&E PLAN MUST BE ■
El CONTINUE TILLAGE UNTIL A WELL PULVERIZED,FIRM,REASONABLY UNIFORM SEED BED IS PREPARED 5"TO 6"DEEP. PROVIDED.ALL SEED TAGS MUST BE RETAINED IN THE SEE INSPECTION BOO.
Fl SEED ON A FRESHLY PREPARED SEED BED AND COVER SEED LIGHTLY WITH SEEDING EQUIPMENT OR CULTIPACK AFTER SEEDING. 23.AFTER PERMANENT COVER IS ESTABLISHED,CONTACT DURHAM COUNTY SEE FOR FINAL COMPLIANCE INSPECTION. ■
G)MULCH IMMEDIATELY AFTER SEEDING AND ANCHOR MULCH. 24.AFTER DURHAM COUNTY APPROVES THE PERMANENT STABILIZATION,REMOVE ALL SEDIMENTATION EROSION CONTROL MEASURES AND INSTALL CLASS I RIP RAP
HI INSPECT ALL SEEDED AREAS AND MAKE NECESSARY REPAIRS OR RESEEDING WITHIN THE PLANTING SEASON,IF POSSIBLE.IF STAND VEGETATIVE COVER IN THESE AREAS IMMEDIATELY.IF A RE-INSPECTION IS NECESSARY DUE TO INCOMPLETE OR INCORRECT PERMANENT MEASURES,THE ,., * \ - " ' ■
SHOULD BE OVER 60%DAMAGED,REESTABLISH FOLLOWING ORIGINAL LIME,FERTILIZER AND SEEDING RATES. PROJECT IS SUBJECT TO RE-INSPECTION FEES AND ENFORCEMENT ACTION
I)CONSULT CONSERVATION INSPECTOR ON MAINTENANCE TREATMENT AND FERTILIZATION AFTER PERMANENT COVER IS ESTABLISHED. 111111111111.111V
/ ■
"APPLY: } "' PIPE INVERT ■ EROSION
AGRICULTURAL LIMESTONE:2T/AC(3 TON IN CLAY) J/ . v - 41p1�"" � � � �_ '
FERTILIZER: PHATE AT SOON/AC OF 20AC �•'�S FLOV`'�, ■ CONTROL
SUPERPHOSPHATE:500#/AC OF 20%ANALYSIS SUPERPHOSPATE + ••� - - � __ / RIP RAP HEADWALL ■
MULCH:2 TON(80 BALES)SM.GRAIN STRAW/ACRE FLOW /� C ANCHOR:LIQUID ASPHALT 400 GAL/AC EMULSIFIED ASPHALT 300 GAL/AC * DETAILS
a.MACHINE COMPACTION OF ALL FILL IS REQUIRED.DIVERSIONS '/ #57 WASHED STONE I'THICK X 3' ■
,omn PvsncuxixD serrOana III
ER� omuPusnc LINING El RAW10 RNA BINDER
LINING NDERw SUFFICIENT TO DIRECT ALL SEDIMENT-LADEN STORMWATER - } I HIGH(MIN) ■
z�^T 1x PFn eae'1 INTO A SEDIMENT CONTROL DEVICE MUST BE INSTALLED PRIOR TO FNOf / I L.I / L t
3 Y ��IIpII�yy�OII��II 'War' CLEARING AND GRUBBING OF THE AREA(OR IN CONJUNCTION } ■
IIIIIILIII' �� VV BrBBLvnRs� 1 ARE INSTALLED IS WITH THIS OEACH CRmcaL POINT 5 REACHED).N IF SEDIMENT CONTROLS AND SgNS �/ �/ ■
SECTION AA VRV SEDIMENT STORAGE AREA
NOT SO BONA ,iTO" ' SECTION B-B STAPLE
SECTION B-B b,DIVERSIONS SHOULD BE LOCATED TO MINIMIZE DAMAGES BY PERSPECTIVE VIEW ■
HONIED SCALE SOT TO SOME
FLOOD STORAGE RIP RAP HEADWALL
F wrxrwosrnxs3 CONSTRUCTION OPERATIONS. AREAS TOBE ■
a sores DISTURBED(CUT, ZONE EXISTING GRADE
to MINIMUM "p was°rEls n I' 2' EXISTING
E.DIVERSIONS SHOULD BE SEEDED AND MULCHED IF THEY ARE TO REAM FILLED) •-I PIPE ■
:gammagm m=� seHoano . N.MINIMUM wooOFRAxe ®�®E IN PLACED OVER 30 DAYS. ■
a B I�I B B®-®B it.CHECK DEVICE AFTER EACH RAIN,BUT ONCE A WEEK REGARDLESS. ■
III
REPAR AS NECESSARY. °'
A .1ILSILSYIOI FL\� FLOW NOTES: ■
vAnlPs a ,m VARIES VA ES -I 7 12•MIN - 11 DIMENSIONS ARE MIN.ACCEPTABLE ■
Ala ,1LY CLASS I RIP RAP UNLESS OTHERWISE NOTED.
Ifni
SLOPE 2:1 Rv' #57 WASHED STONE ■
SEDIMENT STORAGE ZONE 21 USE STONE FILTER TO EXISTING PIPE INVERTS
Q MA% o s / MAX SEDIMENT DEPTH THAT DRAIN 10 ACRES OR LESS ■
NATURAL GROUND (CLAN OUT POINiI
iV/WMi 'E'" - - ®MIMI®® OR FILL OR CUT IP-1 ARCHED STONE FILTER ■
SLOPES C505 SCALE:N.T.S. ■
© © © © © ..,,PLASTIC Uxlrva OW To muPUBrIc LINING COMPACTED FILLD mu PLASTIC LINING NOT TOWN,
1
TYPE"BELOW GRADE" TYPE"ABOVEGROUND.NOT TO SCµENAM ALE wLE BERM ■ ....NA
WITH WOOD PLANKS TYPE"ABOVE GRADE' • e�'\N O[ "
WITH STRAW BALES
NOTES, 18"MIN F' :��:poFEss soN' ,.�•
�� ■ �Z a Digitiiily signed by Nadia
1.ACTUAL LAYOUT TO BE DETERMINED IN THE FIELD. • SEA jab
2.MATERIALS USED TO CONSTRUCT TEMPORARY CONCRETE CONCRETE 0524 :CaUs?
WASHOUT FACILITIES SHALL BE REMOVED FROM THE SITE WASHOUT rvAea ■ E=naljabi(�qunity.com,
OF THE WORK AND DISPOSED OF OR RECYCLED. �---, EoNU0eIESix1
Nacft•a%QLljabi O=QyeliTYRDU=PA,
3.HOLES,DEPRESSIONS OR OTHER GROUND DISTURBANCE _ ■ • FAG I NeCXNert•Ajebi
CAUSED BY THE REMOVAL OF THE TEMPORARY CONCRETE •�'•..'Y,q"•••"••"�1�.....2D23.08.02
WASHOUT FACILITIES SHALL BE BACKFILLED,REPAIRED,ANN I DITCH ■ ''.. /'A^`fp16•:01-04'00'
STABILIZED TO PREVENT EROSION. CW-1 CONCRETE WASHOUT FLOW ■ PER COUNTY COMMENTS.
18•MIN APRON LENGTH Bra _ APRON WIDTH _
COOS JI.ALc:N.I.J. 12"MIN 'I r- �/ , HEADWALL _ _ ■ 1 IFOR APPROVAL NA
A 9 1 A
8/2/2023
L ��i 1 _A_!�Ilk •■ I I
ISLAND OVER INLET PIPE ILO^ry/y\/, 1 Z t_��_��IZ 1�_��■
DIVERSION DIKE /// V
HOLD-DOWN STAKES BERM/DITCH ; S> _S> As> dir , 18"THICK LAYER
A` OF CLASS'B'RIPRAP ■
p 11 11 1-1 1-1 INLET ■
-11 III III III- NOTES' HEADWALL PLAN INSTALL LAYER OF FILTER
IlFIl-IIF 111F 111F 1 I1=11�11' NOT TO EXCEED 5S.11E B FABRIC BENEATH RIPRAP ■
III-11-III- POSITIVE GRADE MUST BE PROVIDED TO ASSURE DRAINAGE. CITY OF DURHAM
.4/ A 1-11111E 11_ IF SLOPE EXCEEDS 2%,SEED MID MULCH DIVERSION.TRY APRON LENGTH SECTION B-B ■ PUBLIC WORKS DEPARTMENT
AllHI-_llr TOP OF RIPRAP SHALL BE ■ APPROVED
III-III MAX.DRAINAGE AREA=5 ACRES WITHOUT SUPPORTING CALLS.. PIPE DATE
PLASTIC CORRUGATED PIPE _ IPES MUST EMPTY INTO AN TOP
FLUSH WITH EXISTING GROUND ■
�-
1 TRANSPORTATION DATE
IIIII /DITCH IS MOST COMMONLY USED.
AIE
Al 11 NOT TOD DIE ■ 811-CALL BEFORE YOU DIG
III INSTALL LAYER OF FILTER ■ DRAWN BY: CHECKED BY:
STABILIZE OUTLETi4 -1 r TOP OF DIVERSION TOP OF HAND COMPACTED 18"THICK LAYER
DIVERSION DITCH DETAIL OF CLASS'B'RIPRAP ■ TUNA TS
., III FILL(ISLAND) '\"+a EROSION CONTROL DETAIL FABRIC BENEATH RIPRAP_ I' NATURAL a'MIN �z ,: } DURHAM COUNTY,NC DATE 11' 1 GROUND ��
� I� r '''',.......:_„4:"-'
ENGINEERING DEPARTMENT
1111HI�111I1111 HIIII�^ - � �� 3:1 '�:'.:"m nTT. Da OE un_
l-..- I�•�' DATE D r A SECTION A-A ■ JANUARY 12,2023
INLET INLET ■ PROJECT NO.
DIVERSION ■ 1886A
LEVEL MIN.
CTION CHANNEL CROSS SECTION RIPRAP VELOCITY DISSIPATOR ■ SHEET NO,
C505 SCALE N.T.S. ■
SD-1 TEMPORARY SLOPE DRAIN • C505
C505 SCALE:N.T.S. ■
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■ CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF OUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

PIN: 0860-64-39-6981 ■
PID: 194191 •
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GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH •▪ Q Li ii I ty
THE NCGO1 CONSTRUCTION GENERAL PERMIT EQUIPMENT AND VEHICLE MAINTENANCE CONCRETE WASHOUTS ■
Implementing the details and specifications on thisplan sheet will result in the ■ I CIVIL I LANDSCAPE
p g P l. Maintain vehicles and equipment to prevent discharge of fluids. 1. Do not discharge concrete or cement slurry from the site. ENG,NEERING ARCHITECTURE E
construction activity being considered compliant with the Ground Stabilization and ■
2. Provide drip pans under any stored equipment. 2. Dispose of,or recycle settled,hardened concrete residue in accordance with
Materials Handling sections of the NCGO1 Construction General Permit(Sections E and 3. Identify leaks and repair as soon as feasible,or remove leaking equipment from local and state solid waste regulations and at an approved facility. ■ 16 CONSULTANT
OON NORNTTH PLACE,
oL SUITE
F,respectively). The permittee shall comply with the Erosion and Sediment Control plan ■
the project. 3. Manage washout from mortar mixers in accordance with the above item and in
approved by the delegated authority having jurisdiction.All details and specifications additionplace the mixer and associated materials on impervious barrier and • P91949ww 0Y9Dm
shown on this sheet may not apply depending on site conditions and the delegated 4. Collect all spent fluids,store in separate containers and properly dispose as p ■
hazardous waste(recycle when possible). within lot perimeter silt fence.
authority having jurisdiction. • NORTH CAROLINA BOARD OF
- 5. Remove leaking vehicles and construction equipment from service until the 4. Install temporary concrete washouts per local requirements,where applicable. EXAMINERS FOR ENGINEERS AND
"I ID ▪ SURVEYORS LICENSE NO.:C-0676
SECTION E:GROUND STABILIZATION problem has been corrected. If an alternate method or product is to be used,contact your approval authority •
6. Bring used fuels,lubricants,coolants,hydraulic fluids and other petroleum for review and approval. If local standard details are not available,use one of ■
Required Ground Stabilization Timeframes products to a recycling or disposal center that handles these materials. the two types of temporary concrete washouts provided on this detail. ■
Stabilize within this 5. Do not use concrete washouts for dewatering or storing defective curb or ■
Site Area Description many calendar Timeframe variations sidewalk sections. Stormwater accumulated within the washout may not be •
days after ceasing LITTER,BUILDING MATERIAL AND LAND CLEARING WASTE pumped into or discharged to the storm drain system or receiving surface ■
land disturbance 1. Never bury or burn waste. Place litter and debris in approved waste containers. waters. Liquid waste must be pumped out and removed from project. ■
(a) Perimeter dikes, 2. Provide a sufficient number and size of waste containers(e.g dumpster,trash 6. Locate washouts at least 50 feet from storm drain inlets and surface waters •
swales,ditches,and 7 None receptacle)on site to contain construction and domestic wastes. unless it can be shown that no other alternatives are reasonably available. At a '
perimeter slopes 3. Locate waste containers at least 50 feet away from storm drain inlets and surface minimum,install protection of storm drain inlet(s)closest to the washout which ▪ SOLANA II
waters unless no other alternatives are reasonably available. could receive spills or overflow. '
(b) High Quality Water None 7. Locate washouts in an easilyaccessible area,on levelground and install a stone • 1051 OLIVE BRANCH ROAD
(HQW)Zones 7 4. Locate waste containers on areas that do not receive substantial amounts of runoff ■ DURHAM COUNTY
- from upland areas and does not drain directly to a storm drain,stream or wetland. entrance pad in front of the washout. Additional controls may be required by • DURHAM,NORTH CAROLINA
(c) Slopes steeper If slopes are 10'or less in length and are 5. Cover waste containers at the end of each workday and before storm events or the approving authority. ■
than 3:1 7 not steeper than 2:1, 14 days are provide secondary containment. Repair or replace damaged waste containers. 8. Install at least one sign directing concrete trucks to the washout within the ■
allowed 6. Anchor all lightweight items in waste containers during times of high winds. project limits. Post signage on the washout itself to identify this location. ■
-7 days for slopes greater than 50'in 7. Empty waste containers as needed to prevent overflow. Clean up immediately if 9. Remove leavings from the washout when at approximately 75%capacity to limit ■
length and with slopes steeper than 4:1 containers overflow. overflow events. Replace the tarp,sand bags or other temporary structural ■
-7 days for perimeter dikes,swales, 8. Dispose waste off-site at an approved disposal facility. components when no longer functional. When utilizing alternative or proprietary ■
(d) Slopes 3:1 to 4:1 14 ditches,perimeter slopes and HQW 9. On business days,clean up and dispose of waste in designated waste containers. products,follow manufacturer's instructions. •
Zones 10. At the completion of the concrete work,remove remaining leavings and ■ NCGO1
-10 days for Falls Lake Watershed dispose of in an approved disposal facility. Fill pit,if applicable,and stabilize •
-7 days for perimeter dikes,swales,ditches, PAINT AND OTHER LIQUID WASTE any disturbance caused by removal of washout. REQUIREMENTS
(e) Areas with slopes perimeter slopes and HQW Zones 1. Do not dump paint and other liquid waste into storm drains,streams or wetlands. •
flatter than 4:1 14 -10 days for Falls Lake Watershed unless 2. Locate paint washouts at least 50 feet away from storm drain inlets and surface ■
there is zero slope waters unless no other alternatives are reasonably available. ■
3. Contain liquid wastes in a controlled area. HERBICIDES,PESTICIDES AND RODENTICIDES ■
Note:After the permanent cessation of construction activities,any areas with temporary 1. Store and apply herbicides,pesticides and rodenticides in accordance with ■
ground stabilization shall be converted to permanent ground stabilization as soon as 4. Containment must be labeled,sized and placed appropriately for the needs of site. label restrictions. ■
practicable but in no case longer than 90 calendar days after the last land disturbing activity. 5. Prevent the discharge of soaps,solvents,detergents and other liquid wastes from 2. Store herbicides,pesticides and rodenticides in their original containers with the ■
Temporary ground stabilization shall be maintained in a manner to render the surface stable construction sites.
label,which lists directions for use,ingredients and first aid steps in case of ■
against accelerated erosion until permanent ground stabilization is achieved.
accidental poisoning. •
PORTABLE TOILETS ■
GROUND STABILIZATION SPECIFICATION 3. Do not store herbicides,pesticides and rodenticides in areas where flooding is
1. Install portable toilets on level ground,at least 50 feet away from storm drains, or where theymay or leak into wells,stormwater drains,ground '
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the possiblespill
streams or wetlands unless there is no alternative reasonably available. If 50 foot ■
techniques in the table below: water or surface water. If a spill occurs,clean area immediately.
q offset is not attainable,provide relocation of portable toilet behind silt fence or 4. Do not stockpile these materials onsite. •
Temporary Stabilization Permanent Stabilization place on a gravel pad and surround with sand bags. p ■
•Temporary grass seed covered with straw or •Permanent grass seed covered with straw or 2. Provide staking or anchoring of portable toilets during periods of high winds or in '
other mulches and tackifiers other mulches and tackifiers •
•Hydroseeding •Geotextile fabrics such as permanent soil high foot traffic areas.
•Rolled erosion control products with or reinforcement matting 3. Monitor portable toilets for leaking and properly dispose of any leaked material. HAZARDOUS AND TOXIC WASTE '
without temporary grass seed •Hydroseeding Utilize a licensed sanitary waste hauler to remove leaking portable toilets and 1. Create designated hazardous waste collection areas on-site. •
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•Appropriately applied straw or other mulch •Shrubs or other permanent plantings covered replace with properly operating unit. 2. Place hazardous waste containers under cover or in secondary containment. •
•Plastic sheeting with mulch 3. Do not store hazardous chemicals,drums or bagged materials directly on the ground ■
•Uniform and evenly distributed ground cover
sufficient to restrain erosion •
•Structural methods such as concrete,asphalt or EARTHEN STOCKPILE MANAGEMENT ■ PER COUNTY COMMENTS
retaining walls 1. Show stockpile locations on plans. Locate earthen-material stockpile areas at least • 1 IFOR APPROVAL I NA
8/2/2023
•Rolled erosion control products with grass seed 50 feet away from storm drain inlets,sediment basins,perimeter sediment controls ■
and surface waters unless it can be shown no other alternatives are reasonably • I I
available. ■
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of • I
POLYACRYLAMIDES(PAMS)AND FLOCCULANTS five feet from the toe of stockpile. ■
1. Select flocculants that are appropriate for the soils being exposed during 3. Provide stable stone access point when feasible. • I I
construction,selecting from the NC DWR List of Approved PAMS/Flocculants. 4. Stabilize stockpile within the timeframes provided on this sheet and in accordance • CITY OF DURHAM
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures. with the approved plan and any additional requirements. Soil stabilization is defined • PUBLIC WORKS DEPARTMENT
0 APPROVED
as vegetative,physical or chemical coverage techniques that will restrain ENGINEERING DATE
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved accelerated erosion on disturbed soils for temporary or permanent control needs. ' "°..- -
PAMS/Flocculants and in accordance with the manufacturer's instructions. . ,a.�,P-... DATE
4. Provide ponding area for containment of treated Stormwater before discharging • 811-CALL BEFORE YOU DIG
offsite. • DRAWN BY: CHECKED BY:
5. Store flocculants in leak-proof containers that are kept under storm-resistant cover ■ BY Ts
or surrounded by secondary containment structures. • DATE JANUARY 12,2023
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PROJECT NO.
• 1886A
■ SHEET NO.
: NC-1
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. CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED

PIN: 0860-64-39-6981 ■
PID: 194191 ■
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PART III PART III PART III ■• Q u n I ty
SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING SELF-INSPECTION,RECORDKEEPING AND REPORTING ■
VI
▪ ENCIGINEERINGL ARCHITECTURE t
SECTION A:SELF-INSPECTION SECTION B:RECORDKEEPING SECTION C:REPORTING ■
Self-inspections are required during normal business hours in accordance with the 1.E&SC Plan Documentation 1.Occurrences that Must be Reported ■ 16 CONSULTANT PLACE,SUITE 201
■ DURHAM,NORTH CAROLINA 27707
table below. When adverse weather or site conditions would cause the safety of the The approved E&SC plan as well as any approved deviation shall be kept on the site. Permittees shall report the following occurrences:
inspection personnel to be in jeopardy,the inspection may be delayed until the next The approved E&SC plan must be kept up-to-date throughout the coverage under this (a) Visible sediment deposition in a stream or wetland. • P91.490.4990
unity com
business day on which it is safe to perform the inspection. In addition,when a storm ■
permit. The following items pertaining to the E&SC plan shall be kept on site and
event of equal to or greater than 1.0 inch occurs outside of normal business hours,the available for inspection at all times during normal business hours. • EXAMINERSRORI ENGINEERS self-inspection shall be performed upon the commencement of the next business day. (b) Oil spills if: ■ SURVEYORS LICENSE NO..C-0676
Any time when inspections were delayed shall be noted in the Inspection Record. Item to Document Documentation Requirements • They are 25 gallons or more, •
Frequency (a) Each E&SC measure has been installed Initial and date each E&SC measure on a copy • They are less than 25 gallons but cannot be cleaned up within 24 hours, ■
Inspect (during normal Inspection records must include: and does not significantly deviate from the of the approved E&SC plan or complete,date ■
business hours • They cause sheen on surface waters(regardless of volume),or
locations, •dimensions and relative elevations and sign an inspection report that lists each ■
(1)Rain gauge Daily Daily rainfall amounts. shown on the approved E&SC plan. E&SC measure shown on the approved E&SC • They are within 100 feet of surface waters(regardless of volume). ■
maintained in If no daily rain gauge observations are made during weekend or plan. This documentation is required upon the ■
good working holiday periods, and no individual-day rainfall information is
order available,record the cumulative rain measurement for those un- initial installation of the E&SC measures or if ■
(c) Releases of hazardous substances in excess of reportable quantities under Section
attended days (and this will determine if a site inspection is the E&SC measures are modified after initial ■
needed). Days on which no rainfall occurred shall be recorded as installation. 311 of the Clean Water Act(Ref:40 CFR 110.3 and 40 CFR 117.3)or Section 102 of ■
"zero." The permittee may use another rain-monitoring device CERCLA (Ref:40 CFR 302.4)or G.S. 143-215.85.
approved by the Division. (b) A phase of grading has been completed. Initial and date a copy of the approved E&SC ■ SQ LANA
II
(2) E&SC At least once per 1. Identification of the measures inspected, plan or complete,date and sign an inspection ■
Measures 7 calendar days 2. Date and time of the inspection, report to indicate completion of the (d) Anticipated bypasses and unanticipated bypasses. • 1051 OLIVE BRANCH ROAD
and within 24 3. Name of the person performing the inspection, construction phase. • DURHAM COUNTY
hours of a rain 4. Indication of whether the measures were operating DURHAM,NORTH CAROLINA
(c) Ground cover is located and installed Initial and date a copy of the approved E&SC ■
event>1.0 inch in properly, (e) Noncompliance with the conditions of this permit that may endanger health or the
24 hours 5. Description of maintenance needs for the measure, in accordance with the approved E&SC plan or complete,date and sign an inspection ■
6. Description,evidence,and date of corrective actions taken. plan. report to indicate compliance with approved environment. ■
(3)Stormwater At least once per 1. Identification of the discharge outfalls inspected, ground cover specifications. •
discharge 7 calendar days 2. Date and time of the inspection,
outfalls(SDOs) and within 24 3. Name of the person performing the inspection, (d) The maintenance and repair Complete,date and sign an inspection report. 2.Reporting Timeframes and Other Requirements ■
hours of a rain 4. Evidence of indicators of stormwater pollution such as oil requirements for all E&SC measures After a permittee becomes aware of an occurrence that must be reported,he shall •
event>1.0 inch in sheen,floating or suspended solids or discoloration, have been performed. ■
contact the appropriate Division regional office within the timeframes and in
24 hours 5. Indication of visible sediment leaving the site, ■
6. Description,evidence,and date of corrective actions taken. (e) Corrective actions have been taken Initial and date a copy of the approved E&SC accordance with the other requirements listed below. Occurrences outside normal
to E&SC measures. plan or complete,date and sign an inspection business hours may ■
(4)Perimeter of At least once per If visible sedimentation is found outside site limits,then a record PP also be reported to the Department's Environmental Emergency • NC
GO
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site 7 calendar days of the following shall be made: report to indicate the completion of the Center personnel at(800)858-0368.
and within 24 1. Actions taken to clean up or stabilize the sediment that has left corrective action. ■ REQUIREMENTS
hours of a rain the site limits, _ ■
event>1.0 inch in 2. Description,evidence,and date of corrective actions taken,and Occurrence Reporting Timeframes(After Discovery)and Other Requirements ■
24 hours 3. An explanation as to the actions taken to control future 2.Additional Documentation to be Kept on Site (a)Visible sediment • Within 24 hours,an oral or electronic notification.
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releases. In addition to the E&SC plan documents above,the following items shall be kept on deposition in a • Within 7 calendar days,a report that contains a description of the ■
(5)Streams or At least once per If the stream or wetland has increased visible sedimentation or a the site and available for inspectors at all times during normal business hours,unless stream or wetland sediment and actions taken to address the cause of the deposition.
wetlands onsite 7 calendar days stream has visible increased turbidity from the construction •
Division provides a site-specific exemption based on unique site conditions that make Division staff may waive the requirement for a written report on a
or offsite and within 24 activity,then a record of the following shall be made: ■
(where hours of a rain 1. Description,evidence and date of corrective actions taken,and this requirement not practical: case-by-case basis.
accessible) event>1.0 inch in 2. Records of the required reports to the appropriate Division • If the stream is named on the NC 303(d)list as impaired for sediment-
24 ■
hours Regional Office per Part III,Section C,Item(2)(a)of this permit. (a) This General Permit as well as the Certificate of Coverage,after it is received. related causes,the permittee may be required to perform additional ■
(6)Ground After each phase 1. The phase of grading(installation of perimeter E&SC (b) Records of inspections made during the previous twelve months. The permittee monitoring,inspections or apply more stringent practices if staff ■
stabilization of grading measures,clearing and grubbing,installation of storm shall record the required observations on the Inspection Record Form provided by determine that additional requirements are needed to assure compliance ■
measures drainage facilities,completion of all land-disturbing
activity,construction or redevelopment,permanent the Division or a similar inspection form that includes all the required elements. Use with the federal or state impaired-waters conditions. ■
of electronically-available records in lieu of the required paper copies will be (b)Oil spills and • Within24hours,an oral or electronic notification.The notification •
ground cover). P
2. Documentation that the required ground stabilization allowed if shown to provide equal access and utility as the hard-copy records. release of shall include information about the date,time,nature,volume and •
measures have been provided within the required hazardous location of the spill or release. ■
timeframe or an assurance that they will be provided as 3.Documentation to be Retained for Three Years
All data used to complete the e-NOI and all inspection records shall be maintained for a substances per Item ■
soon as possible. p p 1(b)-(c)above
period of three years after project completion and made available upon request. [40 CFR (c)Anticipated • Areportatleasttendaysbeforethedateofthebypassifpossible. ■
NOTE:The rain inspection resets the required 7 calendar day inspection requirement. 122.41] ■
bypasses[40 CFR The report shall include an evaluation of the anticipated quality and ■
122.41(m)(3)] effect of the bypass. •
(d)Unanticipated • Within 24 hours,an oral or electronic notification. •
bypasses[40 CFR • Within 7 calendar days,a report that includes an evaluation of the
PART II,SECTION G,ITEM(4) 122.41(m)(3)] quality and effect of the bypass. •
DRAW DOWN OF SEDIMENT BASINS FOR MAINTENANCE OR CLOSE OUT (e)Noncompliance • Within 24 hours,an oral or electronic notification. _ ■
•
with the conditions • Within 7 calendar days,a report that contains a description of the
Sediment basins and traps that receive runoff from drainage areas of one acre or more shall use outlet structures that withdraw water from the surface when these devices need to be of this permit that noncompliance,and its causes;the period of noncompliance, ■ PER COUNTY COMMENTS
p 9 ▪ 1 I FOR APPROVAL I NA
drawn down for maintenance or close out unless this is infeasible. The circumstances in which it is not feasible to withdraw water from the surface shall be rare(for example,times with may endanger including exact dates and times,and if the noncompliance has not 8/2/2023
extended cold weather). Non-surface withdrawals from sediment basins shall be allowed only when all of the following criteria have been met: health or the been corrected,the anticipated time noncompliance is expected to ■
environment[40 continue;and steps taken or planned to reduce,eliminate,and • I
CFR 122.41(1)(7)] prevent reoccurrence of the noncompliance.[40 CFR 122.41(1)(6). ■
(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 it will occur. The non-surface • Division staff may waive the requirement fora written report on a ■ I
withdrawal shall not commence until the E&SC plan authority has approved these items, case-by-case basis. ■
(b) The non-surface withdrawal has been reported as an anticipated bypass in accordance with Part III,Section C,Item(2)(c)and(d)of this permit, • I I
(c) Dewatering discharges are treated with controls to minimize discharges of pollutants from stormwater that is removed from the sediment basin. Examples of appropriate controls ■ CITY OF DURHAM
include properly sited,designed and maintained dewatering tanks,weir tanks,and filtration systems, ■ PUBLIC WORKS DEPARTMENT
d Vegetated,upland areas of the sites or a properly designed stonepad is used to the extent feasible at the outlet of the dewateringtreatment devices described in Item c ■ APPROVED
( ) 9 p p p Y 9 ( ) • .N�NE.aN" oh
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above, „oa"w.,� oh
(e) Velocity dissipation devices such as check dams,sediment traps,and riprap are provided at the discharge points of all dewatering devices,and ■ "h
(f) Sediment removed from the dewatering treatment devices described in Item(c)above is disposed of in a manner that does not cause deposition of sediment into waters of the • 311-CALL BEFORE YOU DIG
United States. ■ DRAWN BY: CHECKED BY:
• BY TS
■ DATE
JANUARY 12,2023
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PROJECT NO.
• 1886A
■ SHEET NO.
•
• NC-2
■
. CONSTRUCTION DRAWINGS
©COPYRIGHT 2023 THIS DOCUMENT AND THE DESIGN ARE THE PROPERTY OF GUNITY,P.A.ANY REPRODUCTION WITHOUT PRIOR WRITTEN CONSENT IS PROHIBITED