SW6230804_Plansheet - Other_20240621

NOTES:
I I I 1. THE TEMPORARY DIVERSION DITCHES, SILT FENCE,AND LIMITS x
I ►I I I I OF DISTURBANCE SHOWN ON THIS PLAN ARE GRAPHICAL o N
REPRESENTATION OF THE ACTUAL EROSION CONTROL v
MEASURES THAT SHALL BE INSTALLED UNDER THIS PROJECT. N
I II I I I 1 I DUE TO SCALE OF THIS DRAWING,THESE MEASURES ARE z az Uj "'
�I - - - - - - - - - - - - - - - - - GRAPHICALLY DEPICTED AND MAY BE BEYOND WHERE THEY CO z0000 < _
I i \ EIP - -- - - S\\ 85\i41 �08 ��� - -'- 1 - - - 1 - - i - - - � ACTUALLY WILL BE INSTALLED IN THE FIELD. pz0 N cn
- --�_ 250. Q '� w � Uj
wo co
o o
`' � � 2. TOTAL DISTURBED AREA=4.66 AC. Qr� o X U) c3f = o
mOfwo
az
3. REFER TO DETAIL SHEETS FOR CONSTRUCTION SEQUENCE,
EROSION CONTROL NARRATIVE, MAINTENANCE NOTES,
\ __ STABILIZATION INSTRUCTIONS&EROSION CONTROL DETAILS.
t' ............. _�_ S
I \ - \ \ \ \ \ / I , I 7 °� 4. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH M M
----- \ \ \ I ?� �� CURRENT NCDEQ STANDARDS AND REGULATIONS. S M N No
O I I I iDD» . � - 1DDi►» �pp ... .. \� \_ \\ �� -C/� ART pRl \ c___�� 80• /7_ - ` -\ \ / - - - - - �\\�- 5. THERE SHALL BE NO DISTURBANCE OUTSIDE THE LIMITS w CN
APPRO � - \ -__ \ \ \ SHOWN ON THIS PLAN WITHOUT AN APPROVED PLAN QLIJ
TE L �� - \ \ AMENDMENT BY NCDEQ. '1
7 I I / [ a / \ \ \ �D ►_-\ 501�\//�^ \\ \ _\\ \ - 1 \\ // 6. ALL DISTURBED AREAS SHALL BE SEEDED PER STABILIZATION
ICY)l \ \ \ \\ \\ ,• 1DD►.., �I vZ7/�ESS', EGRES TABLE.
Q IITJ \ _ _ G \ �- - - -
/ \\ \\ \\ \\\ I ►.. EGRESS & LI\ ( \ - 7. CONTRACTOR IS RESPONSIBLE FOR MAINTAINING
I ^ 7y�
'II�TYEgS,E SELF INSPECTION LOG.
II / /'- \` - J/ // \ \ \ I1 •.► pJp.,y, ® \ / \ 8. PERMANENT GROUNDCOVER WILL BE PROVIDED FOR ALL
DISTURBED AREAS WITHIN 15 WORKING DAYS OR NO MORE
THAN 90 CALENDAR DAYS WHICHEVER IS SHORTER).
CONSTRUCTION
( )
I ENTRANCE // / / // \ \ \ \ \ Ito
W r�� LEGEND:
QD
i C
o I SII j KENCE
CL
SEDIMENT BASIN J
Cn
I / S 8 6 -5 8 2 8 \N '� 8 - / - - - - _ - \ a ROCK CHECK DAM
. � - - / /
if /
J
I. _ , , TDD-A - \ - - \ � l / / '' \\ \ \ ftI
II - - -® CONSTRUCTION ENTRANCE
\ \ LU
I / / / -� P / i ♦ DD \ l / / / \ \ \
SILT FENCE OUTLET
' /' // / /// - - _ 34 - °-� t ��\ """ �p \ SILT FENCE
LIMITS OF
/ / / " _ '' - / __ \\ \ COIR WATTLE
� �-_ \-�♦ \ ) OUTLET CL
/ �-� i /�_ / \ \
DISTURBANCE / / / / / 2
TEMP. SEED/MULCH/PERM. SEED
_ P \ ` \ � � � OUTLET PROTECTION
- P L \ \
O� �j C � TDD�� DIVERSION DITCH Q
J
AP "�` 4 4. 3 ' INLET PROTECTION
CiL \ /M\ �U SILT FENCE Uj
/O/V _ ` ' - - DISTURBANCE LIMITS
\ \ ♦ - i - - e 5 r \
\ \ \ \ , \` ® ♦ _ _ - - - - / - -- _ AI�RESS EG \\ CONCRETE WASHOUT AREA
\\ \\ \\ \ \ \ ♦ ♦ TEMPORARY � � / ,/� P \ --�__ REST, EG - 1 L--J O
DIVERSION DITCH _ - _ P SE
(TDD) - - - - �P � 8.20 RESS & VT/L/T
Ito
- �\ 14, PG 25 _ / EAR STOCKPILE
7
\
SKIMMER SEDIMENT BASIN DATA
MINIMUM DEPTH: 2.0'
` - - - - - VOLUME REQUIRED= 14589 CF
- - _ SURFACE AREA REQUIRED=7294 SF
TDD-A - -
- - - - � - - - - - - SURFACE AREA PROVIDED=24500 SF
� \ - - - - - - _ - - - - _ _ - - - -
TOP OF BASIN ELEVATION=414.00
SURFACE AREA ELEVATION=413.50
BOTTOM OF BASIN ELEVATION=411.50
Nll�j - - - - _ - - - - - \ \ - \\ - - - - - CLEANOUT ELEVATION=413.00
- - - _ _ - - \` \ ` \\ ®- EMERGENCY SPILLWAY LENGTH=20'
- - - -
- EMERGENCY SPILLWAY ELEVATION =413.5
SKIMMER SIZE=3 INCH,2.5 INCH ORIFICE
- - - - - _ \� \\� -®` - - - DEWATERING TIME=2.02 DAYS NN
\ \ - - - - - \ \ >z
z \Ljj\ - - - - \ -
I\ \ ME
L
�`\ \\ - - /_ _ /� - - - - - - NPDES STABILIZATION TABLE NLL
1\ - - - / \ \ \ \ SITE AREA DESCRIPTION STABILIZATION TIMEFRAME EXCEPTIONS
w -aim\ 1 \ / - - - - - - - �\ \ \ \ � CID CD
Perimeter dikes,swales,ditches and slopes 7 days None N N
Ln
w \ \\ \ / /- - - - - - - - \\ \\ \\\ \\ \ \ High Quality Water(HQW)Zones 7 days None
If
less in
SILT FENCE \ � - - - - TDD-B -� _ - - \\ \\\ \\ - - - - 421 - - p p y steeper than 20 1r4 days are length
are not
w Slopes steeper than 3:1 7 days
z OUTLET
-- - - - - Slopes 3:1 or flatter 14 days 7 days for slopes greater than 50'in length
\ 1 ' BUD-•-•y.. � �.. = \ `\ \ \\ - - �- - �tso by rn
1 - ` �D►�, - SEDIMENT BASIN \ \ \ \ All other areas with slopes fatter than 4:1 14 days None,except for perimeters and HQW Zones ��
�� \� \ \ \ \\ ? bCD
oa
� \ ` - W Q z
R�CKC1"IECK I �""' � � � ROCKC<CK \ \\ - - - - - - - - -®- z o
l ` / DAM _ CLASS'B'RIP-RAP _ - \ DAM
Q - DOWN TO BASIN '►�.� � � _ \\� CLASS'B'RIP-RAP - \ \ \ --- - - - - - - - - - co 104
\ DOWN TO BASIN
_ _ - �� \ �\ TDD- - - - - - 17 - - - -
-..y� �+ � _ \ \ \ - - - - - SCALE: 1IN=40FT
CD - - - TEMPORARY BEFORE YOU DIG, 40 20 0 40 80
TEMPORARY DIVERSION DITCH SCHEDULE 1 \ - - D ® DIVERSION DiTC�I - - - - -�
Ji DITCH DRAINAGE RUNOFF 10 CFS AVG. FLOW VELOCITY GEOMETRY FT I J \ ♦ D, _(TDD) CALL SCALE IN FEET
DESIGNATION AREA(AC) COEFFICIENT Q ( ) SLOPE(%) DEPTH(FT) (FPS) SHAPE ( ) LINING MATERIAL li \ - _ -�_ HORIZONTAL
z ♦ BAFFLES @ 10' - -
A 1.93 0.30 6.96 3.4% 0.46 4.53 TRAPEZOIDAL
0 ' SKIMMER �`
B 1.39 0.30 3.15 1.3% 0.39 2.56 TRAPEZOIDAL b=2',d=18", m=2:1 JUTE NET \\ \\ 412 413 414 - - - - - I v _ _ ` , SEAL ,\ i f r r r r
C 1.48 0.30 3.36 1.3% 0.40 2.61 TRAPEZOIDAL b=2',d=18", m=2:1 JUTE NET
D 1.14 0.30 2.57 1.3% 0.35 2.43 TRAPEZOIDAL b=2',d=18", m=2:1 JUTE NET I \ \ I - ��;•�FESS/_
\ \ \ ♦ _ - - NORTH CAROLINA ' �:.Qe SEAL1� '� w
1 /� ` - / ONwwwn ocLL CcoNgER ` : � _ z
z 1 \ RIPRAP 20'SPILLWAY / INSTAL STRAW "
I \ INSTALL STRAW MAT-TIN6 ON y =, 048 84
N SILT FENCE 412 \ \ /
w INSTALL STRAW OUTLETjffl 414 413 MATTING ON _ / -SLOPE \ `` �� z
0 0 MATTING ON -®- - - - - - SLOPE - / / \ \ �, �: w
414 �.'MP �
U = I SLOPE 411 412 413 - / _ / - \ \ \ ,f�f+11111,��`�
wa -
� ¢ 410 409 - - - - - � - NOT FOR CONSTRUCTION EC-01
Nz - - - - - - - - - - - - -- -- -- -- -- -- -- -- _ -- ` - - - - - - - - - - - - - - - -L---- -- --