NCC192755_MODIFICATION Supporting Documents_20220421

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:quired
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FLOODPLAIN
ImhW/o II I/ I/�/// / /]_✓ / FLOODWAYa�/�//l-
HA ILT SEMENT \ \
EX TO I<
� -_� CREEK -
I
w
w
I IIIII IIIII Iill�l% LU
x
DENUDED AREA (TYP.) \ \ \ \ \ PROP. CLASS 1 RIP -RAP 1
24' L X 1 \ W \8\
PROP. DOUBLEv V V A TEMPORARILY CONVERT INLETS TO II
ROW HIGH HAZARD �I
SILT FENCE (TYP.) \ \ YARD INLETS AND UTILIZE STONE \
I V I \ DONUT INLET PROTECTION (TYP.)
s\
Name
Permanent Dltch
Discharge
6.41
Channel Slope
0.02
Channel Bottom Width
0
Left Side Slope
3
Right Side Slope
3
Low Flow Liner
II Retardence Class
D 2-6 in
Vegetation Type
Bunch Type
Vegetation Density
Good 65-79%
Soil Type
Sandy Loam (GM)
II `
DS150
Normal
Permissible
Calculated
Safety
Staple
Phase
Reach
discharge
Velocity
Mannings N
Remarks
Depth
Shear Stress
Shear Stress
Factor
Pattern
DS150 Straight
Unwegetated
Underlying Straight
Substrate
PROP. CLASS BRIP-RAP /
/ / / s 8� �l \ \ss 10'LX6'WX9"T
v= es\
ll
,, \\
-787 - -�
=790 _PROP. SILT�ENCE._as
EX. DIVERSION _ - - (TYP.)
TO BE UTILIZED - - It VAv V�11\\V�\I ( )
BY CONTRACTOR - _ - - -\ PROP. INLET PROTECTION TYP.
PROP. TREE
PROTECTION
i i - - - v
(TYP.) - - - - � � - _ _ - � \\ \` I I I I I �l � I )
s
� �� \\\� I I I Ii III
�1/ 1 O �j / �/ / �- �V A� \ I �o l / Ili HW-55 .
o E / �� A / PROP. PERMANENT DITCH A
P OP. CL ) / / / V \ I 9 / / / / I 18" INV. IN: 746.00 DCI - 56 DS150 MATTING MIN
1 WATER DITCH TYP. / / / A a / // / o ( )
DA-3 - - v \ ter\ / / / // / / / / s (REFER TO DETAIL THIS SHEET)
3.02 AC
J / TEMP DROP INLET B I I
RIM:749.04
INV. OUT: 746.49 (DCI-57) >44
loo,) / // l o /, 1 I III I I 742
�/ 85 LF OF 18" RCP @ 1.00 \ \ \
/ PROP. CLASS ARIP -RAP
12'LX7'WX9"Ti
�v\ ee DRlAl IN/A/ �/ AREA (TYlP/.)I/ IOI.��� � � � R�
A-4 DIVERSION (TYP.)
1.92 AC \�
DA-C I I I I I I I DA-2
\
\ 1 e \ \ ��®�� l l I I i I I / / / // / / / / // / / 1.93 AC I I I I I I I 3.66 AC / I I \
v
\ s3\6 a4\ \ 828 826 \Bszz e1e \IIC IIII I I I iI I I I \\A \ T P SIW FOENCDEOUTBL
ORbPPERM/LENT PROPCLASS B RIP-RAkR
za 12L X TW X 12
B/ 1DEEP MIN/ YP
O-PERMANENT DITCH
d'
S3$ v v j DEEP MIN / / / I / / 3:1 SIDE SLOPES
\ - -- � :1 SIDE SLOPES / / / /�/ / / C125 MATTING MIN I I \ \
\ - - SC150 MATTING MIN
PROP. CONTRACTORT B GIN
\\\\NN \ CONSTRUCTION ON BRIDGE (TYP.)
_ DA-B - _ - - - - v v /\ I I I I I I I // // / / // / / / / I \ \ v,v \V ♦ v \
5.44AC
_
_860
_-,--_-\--\,,\\��� \ \ � \\\ \ t �1, \ \•• ps`
\ PROP. CLEAN
\ \ ss \
I I \ \ A \ WATER DITCH TYP.) \ 114 ft \
vv��I
s <
PROS. P�RMANENDEDEP MINN \ I V A O A \ \ 1 ^ >sa \
o A I // // I I I 3:1 SIDE SLOPES
SC125BN MATTING MIN \ LO
p I I I q\ X \ \
00
IIII / , �(
I� 4D 3 AC
PROP. CLASS 2 RIP -RAP
`Y \ \ �_ 24'LX1TOiZTO O \
-GONTRRCTOR TO BORES -
\ \ \ \ \ \ \ . - ACROSS STREAM NO IMPACT, \\
J I \ �\ �\ \ \\ \ 1 1 i -_�� T� STREAM PP\MITTS
� I � IIIII I \ V A vA v vv vA \ I 1 _= , A , I •
y � \ v v �vv \ oN � I I / � � I V � DA-1
I \ \ \ l I I I 4.59 AC
I / I � \ \ \ \ ♦ \ � 1 � l / 1 �
,� / / / ,// // � v v v � I I I vv \ \ V A v III ; I 1 v \ vv v v� / / // / // / �,�v � \ 1 1 � I IIIIIIII II;IIIIIII I'I II •
I, II ,III IIII
i ,IIVIIo II
I'o11� o �Ilol III
I I III II11111 '
o
IIIIiIIiI I11 IIIII
IIIII III IIII,IIIIIiI
o I I I I
6.41 cfs 2.78 ft/s 0.28 ft D 042 1.8 Ibs/ft2 1.09 Ibs/ft2 t.64 STABLE D
6.41 cfs 2.78 ft/s 0.S8 ft 0 042 1.7 Ibs/ft2 0.52 Ibs/ft2 3.28 STABLE D
LEGEND
SILT FENCE
FEMA FLOODWAY ENCROACHMENT
` TEMP. DIVERSION TD-> TD->
/ DRAINAGE DIVIDE
I DENUDED LIMITS
CONSTRUCTION ENTRANCE
EX, TREE TO REMAIN W/ TREE BARRICADE
IROCK DONUT INLET PROTECTION 0
WIRE AND GRAVEL CONVERTED TO SILT SACK INLET o,
PROTECTION DURING ROADWAY CONSTRUCTION
ISILT FENCE STONE OUTLET
TOTAL MAX DENUDED AREA =n1A
17
CONTROL OF WIND EROSION--
1 . BARE EARTH AREAS SHALL BE WATERED DURING CONSTRUCTION AS
\ 11-_ - '� \ NECESSARY TO MINIMIZE THE TRANSPORT OF FUGITIVE DUST. IT MAY BE
�\ NECESSARY TO LIMIT CONSTRUCTION VEHICLE SPEED IF BARE EARTH HAS NOT
BEEN EFFECTIVELY WATERED. IN NO CASE SHALL FUGUTIVE DUST BE
�\ ALLOWED TO LEAVE THE SITE UNDER CONSTRUCTION.
2. AS SOON AS PRACTICAL AFTER COMPLETION OF CONSTRUCTION, BARE EARTH
AREAS SHALL BE VEGETATED.
�X 3. AT ANY TIME BOTH DURING AND AFTER SITE CONSTRUCTION THAT WATERING
\ ` / AND/OR VEGETATION ARE NOT EFFECTIVE IN CONTROLLING WIND EROSION
AND/OR TRANSPORT OF FUGITIVE DUST, OTHER METHODS AS ARE NECESSARY
FOR SUCH CONTROL SHALL BE EMPLOYED. THESE METHODS MAY INCLUDE
ERECTION OF DUST CONTROL FENCES. IF REQUIRED, DUST CONTROL FENCES
-f \�
ZSHALL BE CONSTRUCTED IN ACCORDANCE WITH THE DETAIL FOR A SILT FENCE
EXCEPT THE MINIMUM HEIGHT SHALL BE 4 FEET.
EROSION CONTROL NOTES:
-
/ 1. ALL EROSION CONTROL MEASURES SHALL BE IN ACCORDANCE WITH THE N.C.
EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL AND THE
CITY OF WINSTON SALEM STANDARDS, WHICHEVER IS MORE STRINGENT.
2. ALL CURB INLETS AND DROP INLETS SHALL HAVE INLET PROTECTION UNTIL
FINAL EROSION CONTROL INSPECTOR APPROVAL. DROP INLETS SHALL BE
PROTECTED USING WIRE AND GRAVEL INLET PROTECTION. CURB INLETS
SHALL UTILIZE WIRE AND GRAVEL INLET PROTECTION UNTIL ROADS ARE
STONED INLET PROTECTION SHALL
CONVERTED TO SILK SACK INLET PROTECTION. BE
,I I
3. ANY GRADING BEYOND THE DENUDED LIMITS SHOWN ON THE PLAN IS A
S
I I I I S V / VIOLATION OF STATE (NCDEQ) REGULATIONS AND IS SUBJECT TO A FINE.
4
GRADING MORE THAN
TAND APPROVED EROSIONCONTROL
SS 77� PLANS A VIOLATION OF HE(NCDJDCITYOWI N
\EROSIONCONTROORDORDINANCE ECC A FINE.
VI,'
/
5. DISTURBED AREAS OF THE SITE WHERE CONSTRUCTION ACTIVITY HAS
CEASED FOR MORE THAN 14 DAYS SHALL BE TEMPORARILY SEEDED AND
WATERED. AREAS WHERE FINAL GRADING HAS BEEN COMPLETED FOR MORE
THAN 14 DAYS SHALL BE TEMPORARILY OR PERMANENTLY SEEDED. ALL
DISTURBED AREAS ON SLOPES GREATER THAN 3:1 AND ON THE SITE
PERIMETER AREAS MUST BE TEMPORARILY SEEDED AFTER 7 DAYS. ALL
PERIMETER DIKES, SWALES, DIVERSIONES AND SLOPES SHALL BE
/ / A TEMPORARILY SEEDED AFTER 7 DAYS.
6. ADDITIONAL MEASURES TO CONTROL EROSION AND SEDIMENT MAY BE
REQUIRED BY A REPRESENTATIVE OF THE STATE (NCDEQ) DEPARTMENT OF
V / V A\ LAND QUALITY.
7. SLOPES SHALL BE GRADED NO STEEPER THAN 3:1 UNLESS NOTED
OTHERWISE. 3:1 FILL SLOPES GREATER THAN 10' MAY REQUIRE ADDITIONAL
TERRACING.
8. PERMANENT CUT AND FILL SLOPES PLACED ON A SUITABLE FOUNDATION
co/ \� .�� _ ��� I II SHOULD BE CONSTRUCTED AT 3:1 (HORIZONTAL TO VERTICAL) OR FLATTER
UNLESS NOTED OTHERWISE. PERMANENT SLOPES OF 3:1 SHOULD BE
CONSTRUCTED WHERE MOWING IS DESIRABLE AND AS INDICATED. IF FILL
MATERIAL IS BROUGHT ONTO THE PROPERTY OR IF WASTE MATERIAL IS
\ / HAULED FROM THE PROPERTY, THEN THE CONTRACTOR SHALL DISCLOSE
/ �� THE LOCATION OF ANY OFF -SITE BORROW LOCATION AND/OR WASTE BURIAL
C LOCATION TO THE EROSION CONTROL INSPECTOR.
C) 9. APPROVAL OF THIS PLAN IS NOT AN AUTHORIZATION TO GRADE ADJACENT
PROPERTIES. WHEN FIELD CONDITIONS WARRANT OFF -SITE GRADING,
PERMISSION MUST BE OBTAINED FROM THE AFFECTED PROPERTY OWNER.
s�I �S - / / / / / I 10. ALL EROSION CONTROL DEVICES SHALL REMAIN UNTIL SITE HAS BEEN
/ y PERMANENTLY STABILIZED AND APPROVED BY EROSION CONTROL
co
�� co INSPECTOR.
11. TOPO MAY REQUIRE DIVERSION DIVERSIONES TO BECOME BERMS IN SOME
Imo', 1 I 1- AREAS. I I W WSS ! SS � 12. CHANNEL LINING OR MATTING SHALL BE PROVIDED FOR DIVERSION
W �, DIVERSIONES WHERE VELOCITIES EXCEED 2 FPS. � \ (W I 13. CONTRACTOR TO ENSURE NCDEQ SELF -INSPECTION PROGRAM IS
/ PREFORMED THROUGHOUT THE DURATION OF THE PROJECT. THE
n
�W\N- �/W WSELF-INSPECTION REPORT SHOULD BE COMPLETED AFTER EACH PHASE OF
j �S\ THE PROJECT. PHASES INCLUDE BUT ARE NOT LIMITED TO: INSTALLATION OF
��WN SS - - 1 \ ; I PERIMETER EROSION CONTROL MEASURES, CLEARING AND GRUBBING,
` S �, SS = L - - -� - - -� I COMPLETION OF ANY GRADING OF SLOPES OR FILLS, INSTALLATION OF
�_�} / \ \ I STORM DRAINAGE SYSTEMS, COMPLETION OF CONSTRUCTION OR
DEVELOPMENT, AND ESTABLISHMENT OF PERMANENT OR TEMPORARY
I GROUND COVER.
• I� Il, I �� � I I I I� I
s I I II I I, SOILS:
A OI
U) "' I I J CIB A SOILS CLIFFORD SANDY LOAM, 1 % TO 6% SLOPES
J I ( )
/ I / -I FaB (B SOILS) FAIRVIEW FINE SANDY LOAM, 2% TO 6% SLOPES
Z' /� S �� FaC (B SOILS) FAIRVIEW FINE SANDY LOAM, 6% TO 10% SLOPES
r I i i _ _ = W I FaD (B SOILS) FAIRVIEW FINE SANDY LOAM, 10% TO 15% SLOPES
Z 1S /i FaF (B SOILS) FAIRVIEW FINE SANDY LOAM, 15% TO 45% SLOPES
jj m CoA (B SOILS) CODORUS LOAM, 0 TO 2 PERCENT SLOPES
is
I I 4'
BERM M
� I
TEMP DIVERSION DIVERSION TO BE
(TYP) SEEDED
ATWELL
ATWELL AND ITS ENGINEERS ARE ONLY RESPONSIBLE FOR THE DITCH DESIGN / TYPICAL CROSS SECTION
\\\ BUBBLED ON THIS PLAN - -
BERM
CONSTRUCTION SEQUENCE PHASE 2 3'
1. UPON COMPLETION OF PHASE 1, CONTRACTOR SHALL COMMENCE MASS GRADING. THE 1Mp� 3 / 2 3.1
CONTRACTOR SHALL ADJUST EROSION CONTROL MEASURES AND STABILIZE SITE AS AREAS 3'•
I ARE BROUGHT TO FINISHED GRADE. CONTRACTOR MUST FOLLOW SEEDING TIMEFRAME PER y�Y
DETAILS.
2. CONTRACTOR TO INSTALL UTILITIES AND STORMWATER. PERMANENT TO
3. CONTRACTOR SHALL INSTALL TEMPORARY PIPE WHERE SHOWN ON PLANS. PERMANENT DITCH (TYP.) BE SEEDED
4. COORDINATE WITH THE APPROVED ON -SITE INSPECTOR PRIOR TO REMOVAL OF EROSION \ TYPICAL CROSS SECTION (DS150 MATTING
CONTROL MEASURES. \ / _ REQUIRED)
5. ALL EROSION CONTROL DEVICES SHOULD BE CHECKED PERIODICALLY AND AFTER EVERY
MAJOR STORM EVENT, IF ANY FAILURES ARE FOUND THEY SHOULD BE REPAIRED AS SOON
AS POSSIBLE.
6. STABILIZATION IS THE BEST FORM OF EROSION CONTROL. TEMPORARY SEEDING IS \
NECESSARY TO ACHIEVE EROSION CONTROL ON LARGE DENUDED AREAS AND ESPECIALLY
BEFORE YOU DIG!
CALL 1-800-632-4949
N.C. ONE -CALL CENTER
ITS THE LAW!
WHEN SPECIFICALLY REQUIRED AS PART OF THE CONSTRUCTION SEQUENCE. ALL SLOPES \ _
MUST BE SEEDED AND MULCHED WITHIN 14 DAYS OF INACTIVITY. REFER TO EROSION
CONTROL ORDINANCE FOR ADDITIONAL REQUIREMENTS.
7. ALL EROSION CONTROL MEASURES SHALL BE CONSTRUCTED IN ACCORDANCE WITH THE N.C.
EROSION AND SEDIMENT CONTROL PLANNING AND DESIGN MANUAL.
8. CALL FOR FINAL INSPECTION BY THE APPROVED ON -SITE INSPECTOR.
ATWELL
�f6011�00
130 S. ORANGE AVENUE, SUITE 200B
ORLANDO, FL 32801
407.425.6623
ATWELL, PLLC COA# 29091
KEY MAP
SEAL
t 038607
GINEE�.cS��:�
ID G. C$
04/18/2022
NC Eng. Firm License # C-0658
SEAL
ISSUED FOR
PERMITTING
PROJECT
BROOKBERRY
FARM PHASE 8
BROOKBERRY FARM, LLC
CITY OF WINSTON-SALEM
8118096
ISSUANCES
NO.
DESCRIPTION
DATE
1
EROSION UPDATE
5/21/2020
2
UTILITY UPDATE
5/26/2020
3
CREEK CROSSING
10/29/2020
4
DITCH ADD
04/18/2022
DESIGNED BY: DGG
DRAWN BY: MKS
CHECKED BY: DGG
SCALE NORTH
VERT: ----
HORZ:1 "= 80'
0 40' 80' 160'
SHEET TITLE
EROSION CONTROL
PHASE 2
SHEET NUMBER
C-3.4
4/18/2022 4:44 PM DAVID GASTEL K:\21002439-LANDDESIGN-BROOKBERRY\CORRESPONDENCE\RECEIVED\2021.06.11 - PHASE 8 FILES\8117035 BROOKBERRY PHASE ORIGINAL SHEET SIZE: 24" X 3(
8\CAD\CONSTRUCTION DOCUMENTS\PHASE 8\7035-PLN-EROSION CONTROL - PHASE 2.DWG