20200632 Ver 1_2016-09-19 Green Engineering Plan Set_20200519

ID#* 20200632 Version* 1
Select Reviewer:*
Katie Merritt
Initial Review Completed Date 05/19/2020
Mitigation Project Submittal - 5/19/2020
Is this a Prospectus, Technical Proposal or a New Site?* r Yes r No
Type of Mitigation Project:*
r" Stream r- Wetlands r` Buffer V Nutrient Offset
(Select all that apply)
Project Contact Information
Company/Owner:* McAdams
Contact Name:*
Rebecca Stubbs
Project Information
Project Type: r DMS r Mitigation Bank
Project Name: 2020-0632 Merrimont Park
County: Wilson
Document Information
Email Address:*
[e-mail]
Mitigation Document Type:*
Mitigation Plans
File Upload: 2016-09-19 Green Engineering Plan Set.pdf 7.65MB
Rease upload only one RDF of the corrplete file that needs to be subrritted...
Signature
Print Name:* Rebecca Stubbs
Signature:*

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ST0RVIWATER QUALITY PROJECT
WILSON, NORTH CAROLINA
SEPTEMBER 2016
DEVELOPED BYE
CITY OF WILSON
POST OFFICE BOX 10
WILSON, NC 27894-0010
SHEET INDEX
1. COVER
2. EXISTING CONDITIONS / DEMOLITION PLAN
3. EROSION CONTROL
4. STORM DRAINAGE TO NC HIGHWAY 42
5. STREAM STABILIZATION
6. GRADING PLAN
7. WASTE AREA GRADING AND EROSION CONTROL
8. BMP/POND CROSS SECTION
9. WASTE AREA CROSS SECTION
10. BMP PLANTING PLAN ,�� ✓✓
11. DETAILS
12 DETAILS SEAS
13. DETAILS 0223 4
14. DETAILS g® �i�
`lrr�t�G� TO NC HIGHWAY 2
GREEN ENOINEERINO
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
LOCATION MAP
SCALE 1w = 300'
0
J
3.1
NC FIRM LICENSE: P-0115
303 GOLDSBORO ST. E. P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] [e-mail]
I-IT)TTIAT 1T1kT/"lTT.T7T7TT]TATll
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LEGEND
EXISTING CENTERLINE -
EXISTING 15" STORM DRAIN OUT /
/ r / EXISTING BOUNDARY
FROM EX. CB 218 TO BE PLUGGED 1 ( I -
o AND ABANDONED IN PLACE (SEE \ r1� ; ' I EXISTING EASEMENT
EX CB 218 Ul DEMOLITION NOTE #6 THIS SHEET)] ` / �` / / / - - W PROPOSED EASEMENT - - -
TOP 131.92' / / ` \ _. EXISTING PROPERTY LINE
INV 129.19 (IN) 15"0 FROM EX CB 205 r PROPOSED PROPERTY LINE
/ I '
i t ■ ■
EXISTING FLOOD 100YR ■ ■ ■ ■ �
INV 128.22 (OUT) 15"0 TO EX DI 219 (1)
\ ' EXISTING BLOODWAY - - -
TOP 132.14' O I •/ 1 1 �/ N STING BUFFER
INV 128.14 (OUT) 8"0 -- - -- / / \ / ' r , EXISTING STREAM --- -.01
� � ' EXISTING CONTOUR MAJOR 10
`Ess-.. _1 � \ � � EXISTING CONTOUR, MINOR _.- -- - ---- - --- -...
_- ® \ \ EX MH 2104
\ 1 PROPOSED CONTOUR, MAJOR
TOP 128.60' ,
O \ /\ \ INV 121.36 (OUT) 8"0 \ ' , -,..,e PROPOSED CONTOUR, MINOR 101
- n `j ` �` EXISTING SANITARY SEWER ESS
_
\ \ EX MH 2105 ���
_EX MH 2210 \ \ / � ' . `TOP 128.43' _ � � I "� • � EXISTING WATER EW--
. •"''� TOP 132.40' _
0 - INV 126.68 (IN) 8"0 \ \ INV 119.78 (IN) 8"0 FROM EX MH 2106 - , ' EXISTING STORM
EX MH 2108 \\ \ \ \ / / \ \
EX CB 205 INV 126.68 (OUT) 8"0 \ INV 119.63 (IN) 8"0 FROM EX MH 2104 ,� % \ , � ______I ! _.__ ___ EXISTING FENCE X
TOP 132.72' �` \ � / v
TOP 131.91' INV 126.39 (IN) 8"0 \ ss \ / / : ' LIMITS OF DISTURBANCE
INV 129.39 (OUT) 15"0 TO EX CB 218 �_� 0
iINV 126.39 (OUT) 8"0 \ \ \ ` 3lINV 121.73 / \ ' PROPOSED SILT FENCE
PROPOSED STORM PIPE
% ABANDON EX. 24" IN / I PROPOSED FLARED END SECTION
\ M PLACE. CAP BOTH ENDS / / / EX. PUMP STATION
\ \ \ i TEMPORARY DIVERSION DITCH -� D� D--� D-
AND FILL WITH FLOWABLE I I
FILL CONCRETE. , - ` I I EXISTING TREE LINE
�A _ \- - EXISITING STONE
'!j� \\� m \ Ex CB 201 INV-121.32-; -, GABION (72 LF) J PROPOSED TREE LINE -
TOP 128.39' S783`, . l
p
INV 123.99 (OUT) 15"0 ' Ic� 22� E 0 I ` I �\ ROCK. CHECK DAM7.
Q
R
ex. elec. station DISSIPATER PAD
O
ABANDON EX. 24" IN
PLACE. FILL WITH FLOWABLE /k, �' / \\\ \ I 1 _____. -
/ (�`�\ . i \�\ ~`-- 1-.�- INLET PROTECTOR
FILL CONCRETE / / EX CB 202
EX. CB 203 / TOP 132.23' ` \ \ �/r c SILT FENCE
i INV 122.93 (IN) 24"0 FROM EX CB 212, _ \
\ o TOP 128.90' k PIN: 3713-42-0049 SILT FENCE OUTLET 0
INV 123.17 (IN) 15"0 FROM EX CB 201
\ \ INV 124.70 (OUT) 15"0 TO EX CB 212 �_ INV 122.83 (OUT) 24"0 TO \ 50 FT SA 'SE I
�-yRIVER BU A'R ram- DWIGHT D BELTY
I ?�� D.B. 1988-719 ' INLET PROTECTION
\
EX. TREE TO BE i1 \ \ ` ��d '' \' �\
s �ti S it
e ees REMOVED \ a
/ It
EX. CB 204 \ \y / \ \ �\
f / / TOP 128.71' \ "Q / �� \ \ \
/ -, DEMOLITION NOTES:
g �y , EX. TREE TO BE '
INV 125.21 (OUT) 15"0 TO � �S+ REMOVED \, �,, i � �� � .�--=�
EX MH 106 _ _ _ ;t 1. DEMOLITION SHALL INCLUDE THE FOLLOWING ITEMS:
/ \ PIN: 3713 42 2051
\ ,-TOP 128.99' EX CB 212 ~` \ SHAWN ALLEN HUTTON / ! a. INSTALLATION OF TREE PROTECTION FENCE ALONG TREES ON THE
INV 122.69 (IN) 8"0 FROM EX MH 2108 STA 1+07.78
/ INV 121.34 (IN) 8"0 FROM EX MH 2107 / 'TOP 128.93' , N - `,, _, \ \ D.B. 2138-374 SOUTHERN END OF PROPERTY.
\ INV 121.34 (OUT) 8"0 TO EX MH 2105 / INV 123.68 (IN) 18"0 FROM EX CB 210
INV 124.03 (IN) 15"0 FROM EX. CB 203 �, ~= \ �s b. REMOVAL AND REPLACEMENT OF EXISTING TRASH CAN(S) AS MARKED ON
INV 123.63 (OUT) 24"0 TO EX CB 202
THE PLANS.
V
EX. TRASH CANS TO 100 YEAR ,. �. I '
BE RELOCATED ONSITE` , \ R4 FLOOD PLAIN 1 Sit,\ c. REMOVAL OF EXISTING FENCE.
EX. SIGN TO BE REMOVED ex. bath
AND REPLACED ONSITE < use \ \ \ i �\ \ �� \ d. REMOVAL OF EXISTING PIPES AS MARKED ON THE PLANS.
\ /
tK
e. INSTALL CHECK DAMS IN EXISTING DITCH.
50 FT NEUSE \ \
O/ / \ ex. { nch EX. TO BE REMOVED I; \ RIVER BUFFER
4. DEMOLITION SHALL NOT BEGIN UNTIL ALL PERIMETER EROSION CONTROL
MEASURES HAVE BEEN INSTALLED. SEE CONSTRUCTION SEQUENCE ON THE
ex. lide ` ^ \ \ \ t �� ��' EROSION CONTROL PLANS FOR ORDER OF DEMOLTION AND REMOVAL.
ex. sprang toys \\� 5. CONTRACTOR SHALL DISPOSE OF ANY UNWANTED MATERIAL PROPERLY.
ex. rill t \ i \ °°
,��, hex. playground equipment 9 (YP) �`��/ ,�+ PIN: 3713-41-2893 COORDINATE WITH THE OWNER ON ANY MATERIAL PRIOR TO DISPOSAL.
rNVJILLIAM COLS ANDREWS
x bench ex. sign \
I' ex. swings o� \ \ N D.B. 1540-438 - 6. STORM WATER ABANDONMENT IS NOT TO BE COMPLETED UNTIL PROP. STORM
WATER PIPING AND POND ARE INSTALLED_
L ex. Icnlc shelter
�/ - ex. pine tree
V ex. t sh cant \ \ \,_.>h� \ l
O 137 TO \ \ N
- \ EX. TRASH CANS TO \ BE REMOVED.
BE RELOCATED ONSITE
/ -
/ SEX CB 211 / i � M � x ` \`\ \ 100 YEAR � `\ SITE TABLE
TOP 139.70' / /5 \ / - - \ \ \ FLOOD PLAIN
INV 136.30 (OUT) 15"0 TO EX CB 210 \ \ \ INSTALL CHECK DAM \ \� \
AND MAINTAIN UNTIL
/ _ a OWNER: CITY OF WILSON
WILSON, NC 27894
EX CB 210 �As, \ \ \ , , Y`I DITCH STABILIZED \ O I 10
\ \ TOP 139.60' �6+. \ EX. PIPE TO BE \
PO BOX
\ INV 135.70 (IN) 15-0 FROM EX MH 208 REMOVED
EX MH 2107 INV 135.70 (IN) 15 0 FROM EX CB 211 %y \ \ \ ` r,. , PROPERTY ADDRESS. BUCKINGHAM RD
/ INV 135.00 OUT 18"0 TO EX CB 212
\ TOP 140.56' (OUT)
INV 134.46 (OUT) 8"0 TO EX MH 2106 LOT AREA TOTAL: 7.8535 AC
/ s�q, \ \ \ �, \ - - - �� _�1'j tSa / PIN: 3713-31-8786 & 3713-31-9554
\ / PIN: 3713-31-5628 � \ \ �. 6---�---'._. _ ._... -
JAMES TODD WHITLEY _ \ \ I
- - - - - - ;? t3` ZONE: OS
INSTALL CHECK DAM � �� j. �
EX MH 208 AND MAINTAIN UNTIL - ` ZONING USE CATAGORY: PARK
\ / TOP 144.31' \ I DITCH STABILIZED °
INV 136.52 (IN) 15"0 FROM EX CB 206 > \
\ EX CB 209 INV 136.52 (IN) 15"0 FROM EX CB 209 `' \ \ \ \ PROPOSED USE: PARK
TOP 140.48' INV 136.42 (OUT) 15"0 TO EX CB 210
INV 137.43 (OUT) 15"0 TO EX MH 208 PIN' 3713-31-5681 \
JAMES RAY BRYANT
/ D.B. 2095-268
E
50 FT NEUS \
EMOVE X. TREES TO NEW TREE LINE RIVER BUFFER �gy
ti F
EX. PIPE TO BE
\ PIN: 3713-31-6513 J REMOVED FLOODWAY �.
O GRADY SIDNEY FULGRUM o
h \.
Z D.B. 1347-831 os / 1 i`
EX. PIPE TO BE \
\ REM
OVED \ \
/ O - - ex_ 1 rc 100 YEAR \
N / P -132 \ FLOOD PLAIN
o
a: %
/ PIN: 3713-31-6440 'Al
DOUGLAS MACON PIERCE 1 -- - --
+
D.B. 1499-742
PIN: 3713-30-6722 1
\ \ SMITH RT & BJS 1
FAMILY LTD PAR \
D.B. 1745-944
''
FiEV1310N DATE 8'Y DATE: JULY 2014
`��.•`���.CAR94�' ` o GREEN ENGINEERING ADD WASTE AREA 04/12/1 SPH GRAPHIC SCALE CLIENT CODE: WILSO
FESsioti?9 a « G E OF WILSON CITY JOB NUMBER: 09-144
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT EXISTING CONDITIONS AND o 25 50 10o FIELD BOOK: 826
- SEAL -
• SEAL - FILE:ASCII - MP- M.dwg
NORTH CAROLINA RRM LICENSE: P-ot>5 MERRIMONT PARK STORMWATER PROJECT SCALE IN FEET AST MODIFIED: 16-Sep-16
'FNG I �'' 303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
DEMOLITION PLAN MODIFIED BY: PWS jRVM
F �\ TEL [phone] FAX [phone] OFFICE ® GREENENG.COM
"''4/EO,cRE�;;'''�� CITY OF WILSON WILSON COUNTY, NORTH CAROLINASHEET
�• 2 oF 14

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11 EX MH 2210
TOP 132.40' \
11 INV 126.68 (IN) 8"0
11 INV 126.68 (OUT) 8"0
t / \
EX 218 11 � I ` O � JB 6
O 1
t a f 15-RC?4 RCP \ \ JB 5 EX MH 2108
W _`g _' �]..'EV+i�-� �� ®p 419 INV 126.39 6.39 (IN) 8"o
INV 126.39 (OUT) 8-0
E. f O
J \ \ \ \ 10' WIDE ASPHALT STRIP
EX MH 2211 EX 205 \ TO BE REPAIRED BY `
TOP 132.14' ?
/ \ \ A+ \ FULL DEPTH PATCH
____INV 128.14 (OUT) 8"0JB 4
'
INV 121.73
EROSION CONTROL NARRATIVE / ��\ \� s \ EX 201 / \,
1. PROJECT DESCRIPTION \ \ / EARTHEN COFFER DAM si
The purpose of this project is to convert an existing park to a stormwater facility. AT INLET TO KEEP POND
This is to the beginning of \ \ DRY DURING CONSTRUCTION -
several projects to help rehabilitate the Hominy Swamp Creek, which is a 303(d) listed stream. The project will \ \ \ \CONTRACTOR LAYDOWN -W / /ex. elec. station
construct an approximate 2-acre stormwater wet and with associated stormwater \ \/AND STAGING AREA / .p
pp p pipe changes on existing CIO
streets adjacent to the existing park. The project is scheduled to begin construction in March 2015 with project completion and final stabilization by 202 \' \ Fs \ \ - / « .
June 2015. The erosion and sediment control program for this project will include the installation of temporary/ ��
\ INSTALL INLET / «. « a
construction entrance, silt fence, rock check dams and temporary diversion ditches, with temporary seedinan**
permanent seeding and/or sodding of the site. / \ \ PROTECTION o ,
2. EXISTING SITE CONDITIONS / \ \ \ PER DETAIL (TYP) / ` .*«*«* * *
/ // �}« .�.�.�. LIMITS OF DISTURBANCE *«`«* **
The proposed site is currently a park within an urban/developed and residential zone. The site mainly drains to / \ � *
the east and south of the property, flowing into a Hominy Swamp Creek, which ultimately flows into Contentnea VrD * ,3:1 SLOPES
Creek, which is part of the Neuse River Basin. / / \ \ EX 203 «% - (TYP)
3. ADJACENT PROPERTY JB 3 .-« *
/ «««««
All adjacent property lines and property Owners are shown on the site plan. � \� .�c,Q '` � , .*..*«*«'« «*.*«`« FES 2
4. SOILS \ .�0 4 R� / «+ ..*..*.` / 2
The soils at this site is mainly sandy loam with Goldsboro and Norfolk type soils being the predominate soil / EX 204 «.NEW CB *1+«a«* FES 1
types. EX MH 2106
5. EROSION AND SEDIMENT CONTROL MEASURES /TOP 128.99' 42"RCP
All vegetative and structural erosion and sediment control \ INV 122.69 (IN) 8"0 FROM EX MH 2108
9 practices shall be constructed and maintained by the � 7
/ \ EX CB 212 Contractor according to these plans and specifications and the minimum standards of the DEMLR, Land Quality INV 121.34 (IN) 8"0 FROM EX MH 210
\ INV 121.34 (OUT) 8"0 TO EX MH 2105
10 /
Section. The Contractor shall also follow any additional requirements as outlined by the Project Engineer. \ / /
5.1. Structural Practices \
/ �
5.1.1. The contractor is responsible for securing a material lay down and stockpile storage area for this PRO. 115 LF \ \ j / CID
SILT FENCE
contract. As such, the contractor is responsible for the necessary erosion control measures, g
including but not necessarily limited to, a construction entrance, silt fence, protection of
streams/buffers, clean up and restoration of site to the satisfaction of both the owner and the \ y �PRO. 100'Lx25'W ex. bath
DEMLR, Land Quality Section. \ / / CONSTRUCTION house
�
\
5.1.2. Vehicle wheels shall be clean when leaving the site to prevent the tracking of mud on paved roads. / / ENTRANCE \
5.1.3. Construction Road Stabilization: Construction traffic shall be limited to stabilized areas. At a
minimum, a temporary gravel construction entrance shall be provided as shown on this drawing. \ O`� //\� ex. lynch
5.1.4. Silt Fence: Silt fences shall be provided where shown and as needed on the site plan. These
barriers shall be used to contain sediment. ex. tide �.
5.1.5. Rip Rap Check Dams: Place stone and filter media to the dimensions and shape of existing ditches \ P / � ex. pp
onsite.�\ ex. sprang toys \�
round la e
5.2. Vegetative Practices ex. / � �Q 0 � playground q ui Pmerit
`L
5.2.1. Temporary Seeding: All denuded area or areas to be graded during the construction phases that \ �`-� 1�� (� ex. bench bench _ ex. swings �ex.j\sign
are not to be brought to final grade within 7 days shall receive temporary seeding within 7 days of __ ``
completing initial earthwork. Graded slopes and fills shall receive temporary or permanent seeding \ �v� /� I I _ _ `'
within the required calendar days after completion of any phase of grading in accordance with the / 1) L � , ex. picnic shelter
stabilization chart. Temporary seeding shall also be used to stabilize finished grade areas if the ex. ench�- �( ?
time of year is outside the specified permanent seeding periods. Temporary seeding shall be in / \ ex. pine tree \
accordance with paragraph V Dbelow.
5.3. Management Strategies
5.3.1. Perimeter measures are to be installed prior to grubbing or grading.
EX CB 211 -
532
OUTLET PROTECTION CALCULATIONS
NAME Q(10) VELOCITY PIPE DIA REQUIRED LENGTH (FT)
PROVIDED LENGTH (FT)
WIDTH (FT)
DEPTH (IN)
STONE
FES 1 58.73 8.53 42 17
19
10
18
CLASS B
FES 2 0.42 0.76 15 8
22
4
9
CLASS A
FES 3 8.09 3.61 24 10
133
6
18
CLASS B
OUT4 31.38 5.88 (2) 30 8
22
11
17
CLASS A
SLOPE DRAINS 2.49 10.5 15 6
6
4.5
12
CLASS A
DITCH LINER CALCULATIONS
DITCH LINING CALCULATIONS
� J
EXISTING CENTERLINE -
EXISTING BOUNDARY
EXISTING EASEMENT - - - -
PROPOSED EASEMENT - - -
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR ■ ■ ■ ■ ■ ■
EXISTING FLOODWAY
EXISTING BUFFER
EXISTING STREAM }---}-�}-�-��-
NAME DA C I Q (10) SLOPE VELOCITY DEPTH SHEER LINER EXISTING CONTOUR, MAJOR 100
______ TD1 1.55 1.55 7.38 5.15 1.5% 4.81 0.60 0.55 Excelsior Curlex Low Velocity Blanket EXISTING CONTOUR, MINOR - - ---- - ------ -
/ TD2 0.16 0.16 7.38 0.53 3.3% 3.71 3.71 3.71 Excelsior Curlex Low Velocity Blanket PROPOSED CONTOUR, MAJOR
TD3 1.86 1.86 7.38 6.18 1.0% 4.31 4.31 4.31 Excelsior Curlex Low Velocity Blanket PROPOSED CONTOUR, MINOR ivi
TD4 1.98 1.98 7.38 6.58 0.9% 4.28 4.28 4.28 Excelsior Curlex Low Velocity Blanket EXISTING SANITARY SEWER ESS
EXISTING WATER E\ --
- , I EXISTING STORM - - ESD
PUMPi ION PROPOSED STONE nGABION I EXISTING FENCE X
TO FOLLOW EX BA ' LIMITS OF DISTURBANCE
(39 LF) �., �' PROPOSED SILT FENCE
EXISIIING STONE \ ' I PROPOSED STORM PIPE
- - GABION (72 LF) I J i PROPOSED FLARED END SECTION
EXISIIING STREAM-_ TEMPORARY DIVERSION DITCH ­10-D-� D-> D-
PROPOSED STONE GABION I
INV 121.32 - TO FOLLOW EX BANK
EXISTING TREE LINE -
(77 LF) I PROPOSED TREE LINE
ROCK CHECK DAM Q
`✓ `- -
a\\ ' DISSIPATER PAD
a - PIN: 3713-42-0049
50 FT NE SE DWIGHT D BELTY ' INLET PROTECTOR
RIVER BUFFER+
\ D.B. 1988-719 / '
SILT FENCE
SILT FENCE OUTLET
INLET PROTECTION
awr'a, 3:1 SLOPES
ao (TYP)
- n
PIN: 3713-42-2051 r -
LIMITS OF %
DISTURBANCE \ \ `\ti SHAWN ALLEN HUTTON /
- D.B. 2138-374
CONSTRUCTION SEQUENCE
1. OBTAIN GRADING PERMIT PRIOR TO BEGINNING CONSTRUCTION. CONTACT LAND QUALITY
_ - BEFORE ANY WORK BEGINS TO SCHEDULE A PRE -CONSTRUCTION MEETING. FAILURE TO DO
100 YEAR - ' SO WILL RESULT IN A NOTICE OF VIOLATION, OWNER SHALL MAKE THE NOTIFICATION.
FLOOD PLAIN \ ,
2. INSTALL PERMIT BOX ON SITE WITH THE APPROVED NCDENR PERMIT. INSTALL RAIN GAGE
AND LOG BOOK AT PERMIT BOX.
3. OWNER OR OWNER'S REPRESENTATIVE WILL BE RESPONSIBLE TO UPDATE AND MAINTAIN
PRO. 20' WIDE SILT FENCE OUTLET \
\ THE SELF INSPECTION FORM. THE FORMS MUST BE KEPT ONSITE AND AVAILABLE FOR
\ 50 FT NEUSE REVIEW IF REQUIRED BY THE INSPECTOR
RIVER BUFFER \ \ 4. CONTRACTOR SHALL VERIFY LOCATION OF ALL EXISTING UTILITIES PRIOR TO COMMENCING
\
126 , • , �\ - CONSTRUCTION BY CONTACTING NORTH CAROLINA 811 (NC811)
�,
5. LOCATE PROPERTY LINES, LIMITS OF DISTURBANCE, AND STOCKPILE LOCATIONS.
PIN: 3713-41-2893 \ 6. INSTALL CONSTRUCTION ENTRANCES PER PLAN.
WILLIAM COLE ANDREWS 7. INSTALL SILT FENCING AND SILT FENCE OUTLETS AS SHOWN ON PLANS. VEGETATION CAN
D.B. 1540-438 - BE REMOVED TO INSTALL SILT FENCE AS NEEDED. INSTALL INLET PROTECTION AT CATCH
-�
BASINS SHOWN.
N i 8. ONCE ALL PERIMETER MEASURES ARE INSTALLED, CONTACT NCDENR AND CITY OF WILSON
(1SLOPES � INSPECTORS FOR APPROVAL PRIOR TO COMMENCING FURTHER.
W \ l 9. UPON PERIMETER APPROVAL, COMMENCE TREE REMOVE AND OTHER DEMOLITION /
FLOODWAY \ REMOVAL ITEMS. CONTRACTOR SHALL PROPERLY DISPOSE OF MATERIAL AS APPROPRIATE.
119 .
10. BEGIN GRADING / EXCAVATION FOR WET POND. STOCKPILE TOP SOIL FOR LATER REUSE ON
PRO. 4'X4' CONCRETE RISER `, SITE AS NEEDED. CONTRACTOR SHALL DISCUSS WITH OWNER THE USE OF ANY EXCAVATED
aI I c as s a e s ablllzed Immediately following their construction. As an alternate, rock check /� - \ ONCREit TOP RISER=126.00
dams may be provided at their outlets and/or the terminal downstream end of disturbance until - - - WASHOUT ^, o PRINCIPLE SPILLWAY=124.50 \ \` MATERIAL PRIOR TO REMOVAL &DISPOSAL.
ground cover is implemented. 5" ORIFICE ELEV.=123.00 FLOOD PLAIN ` 11. INSTALL OUTLET STRUCTURE INLET PIPES INTO WET POND.
N' STAGE SEEDING WITH INV. OUT 24 123.00 - \ ` \
5.3.3. Stock pile and/or waste areas must be maintained within the limits of the areas protected by the \ EXCELSIOR LOW VELOCITY ' 120 12. ENSURE PERMIT IS RECEIVED FOR STREAM DISTURBANCE, THEN PROCEED WITH
proposed measures and otherwise temporarily seeded if to be left stockpiled over 14 days. / / _ ^ \ BOT. ELEV.=123.00 SILT BAG
BLANKET ABOVE WATER \ \ INSTALLATION OF OVERFLOW PIPES FROM CREEK TO POND. INSTALL HEADWALL PER PLANS.
5.3.4. Construction shall be planned so that grading operations can begin and end as quickly as \ \ �� 12$ AND PUMP `
p g g p g q y possible. � LINE ON POND SLOPES
's, \ 3:1 SLOPES (TYP) \ \ 13. ONCE THE WET POND IS GRADED, BEGIN INSTALLATION OF WETLAND PLANTS PER PLANS.
5.3.5. Silt Fences shall also be installed prior to or as a first step in construction. ,p \ )
5.3.6. The Contractor shall be responsible for the installation and maintenance of all erosion and sediment 1,0 k (TYP) 128 EMERGENCY 1 125 , ( 14. BEGIN WORK ON NEW STORMWATER DRAINAGE SYSTEM AS SHOWN ON PLANS.
P EX CB 2
control practices. 10 ` , •... `. 123 �� 122
`
`J� POND 125 SPILLWAY 122 (, �. 14.1. STARTING WITH THE CONSTRUCTION OF 36" RCP FROM FES#1 TO EX CB 212 AT A
5.3.7. All erosion control measures shall be inspected weekly and after rainfall events. Any necessary Q / `. "� N \ \ 125 LENGTH OF 96'. ADD INLET PROTECTOR AT END OF PIPE.
repairs shall be addressed immediate) to prevent future erosion. • ^ ` �- - 76 LF 24" RCP ®0.50% 14 2
0
P Y P �4. PIN: 3713-31-5628 "•:':.:." \, �\ �� 12 _ . INSTALL 18" RCP FROM FES 2 TO EX 202 AT A LENGTH OF 64'. ADD INLET
5.4. Vegetative Ground Cover ` JAMES TODD WHITLEY "'':''•:: • .. - - \ \ 1 PROTECTOR AT END OF PIPE.
D.B. 225 'go, ;• ^ / D-1 PROP. 133 LF
Immediate) following grading, areas shall receive either permanent or temporary seeding, as EX MH 208 71 ERA STOCKPILE 14.3. INSTALL TWIN 30" RCP'S FROM OUT 4 TO HEADWALL.
Y g 9 9 P P Y 9 \ t D-1 ®1.18% SLOPE #
applicable, in accordance with the City of Wilson's seeding specification. See Detail 350.01. 'sAREA (TOP SOIL) � 119 ^ryo FES #3 LINE DITCH WITH 14.4. FINISH INSTALLING 18" RCP TO EX 202.
\: :,
�o
aration
� 118 INV 122.57
5.5. Seed Bed Pre ,0 >> CLASS B RIP RAP „
P 125 OVER FILTER FABRIC \ 14.5. FINISH INSTALLING 36 RCP TO PROP. CB 1.
EMERG ENCY
5.5.1. The soil shall be scarified or otherwise loosened to a depth of not less than 5 inches except as / .;');';. •.. �� SPILLWAY I 15. THE CONTRACTOR SHALL TAKE ALL NECESSARY MEASURES REQUIRED TO PROTECT THE
otherwise directed by the Engineer. Clods shall be broken and the top three inches of soil shall be EX CB 209 ` d\
PIN: 3713-31-5681 � EXISTING PAVEMENT FROM DAMAGE WHILE WORKING WITHIN THE PUBLIC ROAD RIGHT OF
worked into an acceptable seedbed by the use of soil pulverizers, drags, or harrows. RIP RAP OUTLET W/ F
JAMES RAY BRYANT ._..I \ WAY. ALL PAVED AREAS WHERE EXCAVATED MATERIAL IS TO BE TEMPORARILY STORED
p � ••/•� � SILT FENCE OUTLET
5.5.2. On 2:1 slopes a seedbed preparation will be required that is the some depth as that required on D.B. 2095-268 :- / SB#1 _- ! SHALL FIRST BE COVERED WITH SCREENINGS AND ALL MATERIAL SHALL BE REMOVED FROM
flatter areas, although the degree of smoothness may be reduced from that required on the flatter i .'` I EARTHEN BERM WITH HDPE h 50 I- NEUSE THE ROADWAY AT THE END OF EACH DAY. REPAIR STREET IMMEDIATELY UPON COMPLETION
LINE DIVERSION/ , :. • µ / `, - RIVER BUFFER OF WORK IN THE STREET.
areas. DITCHES WITH S150 PIPE SLOPE DRAIN AND RIP b
5.5.3. Seedbed preparation within two feet of the edge of any pavement shall be limited to a depth of two MATTING (TYP) ; , RAP DISSIPATER PA
to three inches. D \ / ^v �ry \ 16. CONTRACTOR SHALL INSPECT THE SITE AND UPDATE THE LOG BOOK AFTER SIGNIFICANT
-
y RAINFALL (GREATER THAN 1/2" RAIN).
5.5.4. The preparation of seedbeds shall not be done when the soil is frozen, extremely wet, or when the t 1TION AND REPAIRING ANY IMPROPERLY
Engineer determines that it is in an otherwise unfavorable working condition. STAGE SEEDING WITH EXCELSIOR 7. CONTRACTOR IS RESPONSIBLE FOR CORREC
, / \,
LOW VELOCITY BLANKET ON o
5.5.5. Before mulch is applied, the Contractor shall remove and dispose of all exposed stones in excess of WASTE AREA SLOPES. (TYP)
one inch in diameter and all roots or other debris which prevent proper contact of the mulch with `s /
the soil. Segregation of exposed stone under one inch shall be avoided and, if found, dispersed or PIN: 3713-31-6513
disposed of at the direction of the Engineer. O GRADY SIDNEY FULGRUM
5.6. Maintenance Z D.B. 1347-831
5.6.1. Reseed and mulch bare spots larger than 9 square feet (limited to 5% maximum of site area.)
5.6.2. Maintain all seeded areas until uniform stand is acceptable. If growth is not established by final t ; •.:
project inspection, continue specified attention until the stand is acceptable. O i
5.6.3. Correct and repair all undue settling and erosion within 1 year after final inspection. YO i �, . •. ,
5.6.4. Remove from the site, all erosion control structures after complete stabilization at end of / i LIMITS OF DISTURBANCE
construction period. / TD1
5.6.5. Remove silt from sediment pits and from behind check dams when silt is within half depth of the ,
pit or spillway. Dispose of in an area where silt cannot re-enter pit/trap. PIN: 3713-31-6440
5.6.6. Place rock from rock check dams and gravel/rip rap filter basins in ditch line as armor protection. DOUGLAS MACON PIERCE 1 \
Do not dispose of rock. All stone armor protection is to fit contour of channel. Do not dump but D.B. 1499-742
handspread.
5.7. Utility Installation In Road.
Utilize a layer of sand, screenings or fines placed on the roadway for stockpile of excavation material to - \`
facilitate cleanup. 'vim WASTE AREA
5.8. Site Box must be provided and have copies of approveU plan, approval letter, and NPDES Permit. ACCESS PIPE
6. OWNERS ADDRESS
City of Wilson
SKIMMER BASINS Q� 10) - A*7.19*0.36
... - _
Attn: Barry Parks SIZE :SPILLWAY' FLOW SKIMMER SKIMMER DEWATER
BAST -.... _......... _
112 Goldsboro Street East N DA DIST AREA Q10 REQ. VOL, PROV. VOL WIDTH LENGTH DEPTH SA REQ. SA PROV. ! WIDTH DEPTH TYPE SIZE IN ORFICE(IN} TIME (DAYS}
��
Wilson,NC 27894
[phone]
SEAL l '
022594
F•'••.......•• \ %
64
). 5.1 .,.
a
B2
16.6
1
9, 44
10,816
52 04 2
5 384
'
5,408
24 _..
0.38
SKIMMER
4 1.5 3.60
I. � ..
_2�4:. •7
_ -
�-
6.1
1,260
4,096
32 64 2
1,994'
2,048
10
0.35
SKIMMER
_ _ 3.07
_ SB#1 ( 4.2 4.{
10•
7 2{?0
7 396
,
43 '< _ - 8CS 2
3 ,533
3,698
15
0.39
SKIMMER
.
4 1.25 3.55
L• e,4,0 ��-
ot - (`� - -2- 0` Lo, GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA F9RM LICENSE: P-CM5
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFFICE ® GREENENG"COM
\ \j INSTALLED OR DAMAGED EROSION CONTROL DEVICE IMMEDIATELY.
120
1.8. SEDIMENT BASINS TO BE DEWATERED DURING CONSTRUCTION FROM THE TOP OF THE
% f WATER COLUMN UTILIZING A PROPERLY SIZED PUMP AND SILT BAG.
125 FLOODWAY
\ I� 19. ONCE SITE WORK IS SUBSTANTIALLY COMPLETE, AND SITE HAS BEEN STABILIZED (GREATER
THAN 80% GRASS GROWTH), CONTACT INSPECTORS AND REMOVE ALL TEMPORARY
\ \ MEASURES.
LINE DIVERSION
_ DITCHES WITH S150
MATTING. (TYP)
STAGE SEEDING WITH EXCELSIOR
LOW VELOCITY BLANKET ON
- - _ ,-- WASTE AREA SLOPES. (TYP)
PIN: 3713-30-6722
SMITH RT & BJS
FAMILY LTD PAR
D.B. 1745- 944
_ \ 100 YEAR
FLOOD PLAIN
\ SB#2
EARTHEN BERM WITH HDPE
PIPE SLOPE DRAIN AND RIP
RAP DISSIPATER PAD
1 \
1
TEMPORARY PIPE CROSSING 10YR
MERRIMONT #09144
PIPE SECTION
DrainageArea
TotalArea
InletTime
Tc
RunoffCoeff
ilnlet
isys
IncrQ
TotalRunoff
VelAve
LineSlope
LineSize
Line Length
PipeTravel
InvertUp
InvertDn
(ac)
(ac)
(min)
(min)
(C)
(in/hr)
(in/hr)
(cfS)
(cfS)
(ft/s)
(%)
(in)
(ft)
(min)
(ft)
(ft)
WASTE AREA ACCESS PIPE
1.32
1.32
5
5
0.45
7.54
7.54
4.48
4.48
5.16
1
15
20
0.09
132.3
132.1
NOTE: SLOPES STEEPER THAN 3:1
ARE TO BE LINED WITH
EXCELSIOR MATTING.
CITY OF WILSON
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON
WILSON COUNTY, NORTH CAROLINA
TOTAL DISTURBED AREA=10.0 ACRES
REVISION
ADD WASTE AREA
EROSION CONTROL PLAN
NEW STABILIZATION TIMEFRAMES
(EFFECTIVE AUQ. 3, 2011)
SITE AREA DESCRIPTION
STABILIZATION
TIMEFRAME EXCEPTIONS
OPERIMETER DIKES,SWALES, DITCHES,
7 DAYS
NONE
SLOPES
HIGH QUALITY WATER (HOW) ZONES
7 DAYS
NONE
NSLOPES STEEPER THAN 3:1
7 DAYS
IF SLOPES ARE 10' OR LESS IN LENGTH AND
ARE STEEPER THAN 2:1, 14 DAYS ARE
ALLOWED
SLOPES 3:1 OR FLATTER
14 DAYS
7 DAYS FOR SLPES GREATER THAN 50' IN
LENGTH
P O ALL OTHER AREAS WITH SLOPES
14 DAYS
NONE, EXCEPT FOR PERMIETERS AND HQW
FLATTER THAN 4:1
ZONES
DATE BY DATE. DULY 2014
/12/16 SPH GRAPHIC SCALE CLIENT CODE: WILSO
JOB NUMBER: 09-144
FIELD BOOK: 826
0 25 50 100 CADFILE:09144-BMP-BM.dwg
ASCII FILE:
SCALE IN FEET LAST MODIFIED: 19-Sep-16
MODIFIED BY: PWS/RVM
slEET No. 3 of 14

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18" THICK OVER
\ � exbench
ex. swings
ex. picnic shelter
ex. playground equipment
ex. spring toys
ex. sign
ex. slide
ex. pp
1 �
ex. bath /
house /
I /
INV 121.32
ex. swing
REMOVE AND REPLACE
EX. CURB AND GUTTER
AS NEEDED. MATCH EX.
SIZE AND SLOPE
ex. bench
y� r
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2�
24
NEW CB 1�
m /
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EX 20/ %
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-ex. elec. station / / EX 201
/
/ PRO. CONCRETE HEADWALL
TOP WALL 128.63
66., x j �// INV. TWIN 30" RCP 124.80
,e•
I CIII.
145
135
130
125
120
115
0 25 50 100 110
PROFILE (HORIZONTAL)
0 5 10
1 1 1 1 1 1 1
/
/
/
Q
OQ
177
0
Cj
// Q7 EX MH 2106 \
TOP 128.99'
INV 122.69 (IN) 8"4 FROM EX MH 2108
8" F
FRdh1
TO
n
SYSTEM
RUN
_
INLET
AREA
(ACRES)
0 413
A
TOTAL
AREA
(ACRES)
INLET
TIME
(MIN)
PIPE
TIME
(MIN)
tc
TIME OF
dN C C
(MIN)
1
NTEtdS1TY
(IN/HR)
cc
RUNOFF
COEFF
Q10
DSCHRd
(CFS)
SLOPE
(FTxFT)
Rhea
(INCHES)
PROP
SIZE
(INCHES)
Vful[
(FTSEC)
LENGTH
PIPE
(FT)
SEGts1EN
TIME
(NI IN)
UPPER
INVERT
L0.1•EK
I��!`v E KT
1-RQFr1
r;-'
Ex. CB 9205
JB 47
1
3.10
3.10
5-C
0_tk8
5_QO
722
0.49
11.0
0.0092
18.6
15
5.0
240
0-08
129 39
129.17
Ex LB 4205
Ex. CB #218
JB 47
1
0,40
3,50
5,00
001
5,08
T20
0.5
12.6
0.0367
15.1
1-
10.1
6.0
001
129,39
129.17
Et LB 9218
-
JB #7
JB #6
1
0.00
3.50
5.00
0.34
5-09
7.20
0 5
126
0,0071
20.5
15
4A
90.0
0,34
129.1 7
128,53
`B 47
5 6
JB
JB 45
2
0.00
3,50
5.00
0,32
5.4-1
7.11
0.5
124
0.0030
24.0
24
4.0
76.0
0-32
128.53
125.30
B
5 J
JB 95
JB #4
3
0.00
3,50
5-00
0.44
5-75
7.03
0.5
12.3
0,0056
21.3
24
5-4
143.0
0.44
128.30
127.50
5 #5
._5 -11
JB #4
JB 43
4
0_t'0
3.50
5.�7
0,43
6.19
6,92
0-5
121
0,0116
18-4
24
T7
2020
0,43
127.50
12516
J3 #4
-
Ex. CB #204
JB 43
1
0.80
0 80
S.CIO
0_08
0.00
8.86
0-5
3.5
0,0073
127
15
4.5
22.0
0-08
1211,_32
12516
Ex S 4204
. 6
Ex_ CB #203
JB 43
1
0.25
0.25
5.00
0.03
0.00
8.86
0.5
1-1
0-0133
7.3
15
6-1
12.0
0.03
125132
125-16
Ex CB #201,,
_
JB #3
New CB 41
5
0_00
4 55
5-00
0.10
0-00
8,86
0.5
20.2
0.0187
20_4
24
98
60.0
0.10
125 16
124,04
EH 43
Nc, B -1
New CB #1
FES #1
6
10.20
14,75
5-CO
0.23
0A0
8.82
05
65.1
0.0052
40.2
42
T6
105.0
0 23
123 55
123 00
New C13 41
� s }^
Ex_ GB 4201
Ex_ C8 4202
1
0.10
0.10
5.00
a08
a00
8.86
05
0.4
00228
4.7
15
7-9
36.0
0-03
12i-99
123.17
Ev CB #2,1
Ex #20C
Ex. CB #202
FES #2
2
0.15
0.25
5-00
055
0.08
8.83
05
1.1
0.0021
10-3
15
2.4
80.0
055
123.17
123.0E
Ex 013 #202
= S - 2
INV 3 (IN) �+ ROM EX MH 2107 /
/ INV 121.34 (OUT) 8"0 TO EX MH 2105 /
/
EX 204
Q \ \�
L JB 3 \
.� \0 0~O /
r-
EX 203 EX MH 2108
TOP 132.72'
�V// INV 126.39 (IN) 8"0
00 \ � A�S��A INV 126.39 (OUT) 8"0
CONTRACTOR TO REPAVE
L AREA 10' WIDE. MILL EDGE OF \ �\
�- PAVEMENT FOR CONNECTION
24" \ Ssd i
Rh
JB 4
u h U
JE
PLAN
/ SCALE: 1"=30' HORIZONTAL \
I
l
I
1
i
EX MH 2210
TOP 132.40'
INV 126.68 (IN) 8"0
INV 126.68 (OUT) 8'
l
TO 13_� -
�, a --_.
EX MH 2211
„TOP 132.14'
-INV 128.14 (OUT) 8"0
15"RCP
EXISTING CENTERLINE
-
EXISTING BOUNDARY
EXISTING EASEMENT
- - - - - - -
PROPOSED EASEMENT
- - - - -
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR
�■■�■■�■■�
EXISTING FLOODWAY
EXISTING BUFFER
- -- -� �'-
EXISTING STREAM
-}-#01 00,-1de 00--
EXISTING CONTOUR, MAJOR
10
EXISTING CONTOUR, MINOR
-
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR
101
EXISTING SANITARY SEWER
ESS
EXISTING WATER
E\* -
EXISTING STORM
EXISTING FENCE
x
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
11110.
TEMPORARY DIVERSION DITCH
--1 D-)'- D-)o D
EXISTING TREE LINE
-
PROPOSED TREE LINE
-
ROCK CHECK DAM
Q
DISSIPATER PAD
INLET PROTECTOR
1-1
SILT FENCE
SILT FENCE OUTLET
INLET PROTECTION
ASPHALT REMOVAL AND REPLACEMENT
EX 218
SPECIAL
NOTES
1.
CONTRACTOR SHALL VERIFY LOCATION OF ALL EXISTING UTILITIES PRIOR
00.41 %
s
f s��9
\\ \\�
TO COMMENCING CONSTRUCTION BY CONTACTING NORTH CAROLINA 811
71'
l
2.
ASPHALT SHALL BE SAW CUT TO WIDTH NECESSARY. REPAIR ROAD
4"RCP -- N�,_ '� !, O
\\
PER DETAIL FOR STREET REPAIR.
_
+ ,�
6 \�0�\\
sp\
3.
SEPARATION FROM STORM WATER FROM WATER/SEWER PIPES SHALL
BE 24" MINIMUM VERTICALLY.
JB
4.
INSTALLA11ON OF SYSTEM SHALL BE AFTER COMPLETION OF WET POND
CONSTRUCTION. SEE SEE CONSTRUCTION SEQUENCE FOR MODIFICATION
OF EXISTING DRAINAGE SYSTEM.
'
5.
CONTRACTOR SHALL COORDINATE WITH LOCAL POWER UTILITY FOR
SHIFTING/RELOCATION OF EXISTING POWER POLES.
6.
REMOVE & REPLACE EX. CURB & GUTTER AS NEEDED FOR PIPE
II
_
INSTALLATION/MODIFICATION. REMOVE CURB & GUTTER TO CLOSEST
I\
f; \
`W -
EXPANSION JOINT/ SCORE JOINT.
0 15 30 60 !
EX DI 219
1 SCALE IN FEET I
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142' - 2 "RCP
74' RC -
28' _
18"RCP
X. WA
-
20 2' 2.
_ N
-
- _ --
FES 1
_------
_-• SS
Ft,_
---
4' - 42"RCP
r _---
- �
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----�
_ ___- -�
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X MH 2210 - -
-
-
TO
-_ _
64' - 24 RCP
o
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O "i
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TOP 132.40' -
INV 126.68 IN 8"0
( )
INV 126.68 (OUT) 8"0--
INV
I
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+
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m
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-
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INV: 12 1.18
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TOP 132.72'
INV 126.39 (IN) 8"0 -.
-INV 126.39 OUT 8"0
)
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cn ?
W ?
U
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----
1n
EX MH 2106
TOP 128.99'
O
INV 122.69 (IN) 8"0
-
� INV 121.34 (IN) 8"0
INV 121.34 (OUT) 8.0-
-
Ln
-
TICAL
--
-
- ---
>-
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-0+50 0+00
PROFILE (VERTICAL)
1 +00
GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA FIRM LICENSE= P-OM
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFFICE 0 GREENENG.COM
2+00
3+00
4+ 00
5+00
CITY OF WILSON
145 CONSTRUCTION SEQUENCE
6'
P
1.
CONTRACTOR SHALL VERIFY THE LOCATION OF ALL EXISTING UTILITIES PRIOR TO CONSTRUCTION OF PROPOSED IMPROVEMENTS BY
CONTACTING NORTH CAROLINA 811 (NC811).
2.
PRIOR TO BEGINNING WORK IN THE RIGHTS OF WAY OF BUCKINGHAM ROAD AND WESTMINSTER DRIVE THE CONTRACTOR SHALL SUBMIT
140
A TRAFFIC CONTROL PLAN TO THE ENGINEER AND CITY OF WILSON'S ENGINEERING DEPARTMENT FOR REVIEW, COMMENT AND
APPROVAL.
3.
ALL DRAINAGE IMPROVEMENT WORK ON BUCKINGHAM ROAD AND WESTMINSTER DRIVE SHALL BE INSTALLED ONLY AFTER THE WATER
QUALITY POND CONSTRUCTION IS COMPLETE, INCLUDING STABILIZATION OF ALL INTERIOR SLOPES. THE PROPOSED 15-INCH DRAINAGE
PIPE BETWEEN FES #2 AND UP TO EXISTING CATCH BASIN #202 AND THE PROPOSED 42-INCH DRAINAGE PIPE BETWEEN FES #1 AND
UP TO PROPOSED CATCH BASIN #1 CAN BE INSTALLED DURING POND CONSTRUCTION.
135 4.
ALL ASPHALT PAVEMENT SCHEDULED TO BE REMOVED FOR CONSTRUCTION OF THE PROPOSED IMPROVEMENTS SHALL BE SAW CUT.
REFERENCE DETAIL FOR REPAIR OF OPEN CUT AREAS.
5.
CONTRACTOR SHALL MAKE CONNECTION OF 15-INCH RCP TO EXISTING CATCH BASIN #202. CONTRACTOR SHALL BLOCK AND PLUG
24-INCH OUTLET AT EXISTING CATCH BASIN #202 AND ABANDON IN PLACE THE EXISTING 24-INCH RCP BETWEEN EXISTING CATCH
BASIN #202 AND THE EXISTING 66-INCH X 78-INCH CMP. (APPROXIMATELY 50 LINEAR FEET)
- 15"RCP 6.
CONTRACTOR SHALL CONSTRUCT CATCH BASIN #1 AND EXTEND 42-INCH RCP AND CONNECT. PLUG THE EXISTING 24-INCH INLET
130
INTO EXISTING CATCH BASIN #202 AND ABANDON IN PLACE WITH FLOWABLE FILL THE EXISTING 24-INCH RCP BETWEEN NEW CATCH
BASIN #1 AND EXISTING CATCH BASIN #202. (APPROXIMATELY 250 LINEAR FEET)
7.
INSTALL THE 24-INCH RCP BETWEEN CATCH BASIN #1 AND JUNCTION BOX #3. JUNCTION BOX #3 SHALL BE INSTALLED BETWEEN
EXISTING CATCH BASINS #203 AND #204 AS SHOWN. THE EXISTING 15-INCH RCP BETWEEN JUNCTION BOX #3 AND EXISTING CATCH
BASINS #203 AND #204 SHALL REMAIN UNDISTURBED. THE INVERT OF EXISTING CATCH BASIN #203 SHALL BE GROUTED UP TO THE
INVERT OF THE EXISTING 15-INCH RCP AND THE 15-INCH RCP OUTLET SHALL BE BLOCKED AND PLUGGED. THE REMAINING EXISTING
125
15-INCH RCP ACROSS BUCKINGHAM ROAD SHALL BE ABANDONED IN PLACE WITH FLOWABLE FILL. (APPROXIMATELY 90 LINEAR FEET)
8.
THE PROPOSED 24-INCH RCP BETWEEN JUNCTION BOX #3 AND JUNCTION BOX #4 SHALL BE INSTALLED; TAKING SPECIAL PRECAUTION
MH 2211
NOT TO DISTURB THE EXISTING WATER AND SANITARY SEWER SERVICES. THE CONTRACTOR SHALL INCLUDE A MINIMUM OF 12-INCHES
132.14'
128.14 (our) 8"0
OF STONE BEDDING UNDER THE 24-INCH RCP 10-FEET EITHER SIDE OF EACH SANITARY SEWER AND WATER SERVICE. BASED ON
PREVIOUS OBSERVATION THE WATER AND SANITARY SEWER SERVICES WERE INSTALLED IN THE SAME TRENCH.
9.
THE PROPOSED 24-INCH RCP BETWEEN JUNCTION BOX #4 AND JUNCTION BOX #5 SHALL BE INSTALLED; TAKING SPECIAL PRECAUTION
120
NOT TO DISTURB THE EXISTING WATER AND SANITARY SEWER SERVICES. THE CONTRACTOR SHALL INCLUDE A MINIMUM OF 12-INCHES
OF STONE BEDDING UNDER THE 24-INCH RCP 10-FEET EITHER SIDE OF EACH SANITARY SEWER AND WATER SERVICE. BASED ON
PREVIOUS OBSERVATION THE WATER AND SANITARY SEWER SERVICES WERE INSTALLED IN THE SAME TRENCH.
10.
THE PROPOSED 24-INCH RCP BETWEEN JUNCTION BOX #5 AND JUNCTION BOX #6 SHALL BE INSTALLED; TAKING SPECIAL PRECAUTION
NOT TO DISTURB THE EXISTING WATER AND SANITARY SEWER SERVICES. THE CONTRACTOR SHALL INCLUDE A MINIMUM OF 12-INCHES
OF STONE BEDDING UNDER THE 24-INCH RCP 10-FEET EITHER SIDE OF EACH SANITARY SEWER AND WATER SERVICE. BASED ON
115
PREVIOUS OBSERVATION THE WATER AND SANITARY SEWER SERVICES WERE INSTALLED IN THE SAME TRENCH.
11.
THE PROPOSED 15-INCH RCP BETWEEN JUNCTION BOX #6 AND JUNCTION BOX #7 SHALL BE INSTALLED; TAKING SPECIAL PRECAUTION
NOT TO DISTURB THE EXISTING WATER AND SANITARY SEWER SERVICES. THE CONTRACTOR SHALL INCLUDE A MINIMUM OF 12-INCHES
OF STONE BEDDING UNDER THE 15-INCH RCP 10-FEET EITHER SIDE OF EACH SANITARY SEWER AND WATER SERVICE. BASED ON
PREVIOUS OBSERVATION THE WATER AND SANITARY SEWER SERVICES WERE INSTALLED IN THE SAME TRENCH.
12.
JUNCTION BOX #7 SHALL BE INSTALLED BETWEEN EXISTING CATCH BASINS #205 AND #218 AS SHOWN. THE EXISTING 15-INCH RCP
110
BETWEEN JUNCTION BOX #7 AND EXISTING CATCH BASINS #205 AND #218 SHALL REMAIN UNDISTURBED. THE INVERT OF EXISTING
CATCH BASIN #218 SHALL BE GROUTED UP TO THE INVERT OF THE EXISTING 15-INCH RCP AND THE 15-INCH RCP OUTLET SHALL BE
BLOCKED AND PLUGGED.
13.
ALL OPEN CUT AREAS ALONG BUCKINGHAM ROAD AND WESTMINSTER DRIVE SHALL BE PROPERLY BACKFILLED, COMPACTED AND
PATCHED PER CITY OF WILSON SPECIFICATIONS AND DETAILS
6+00 7+00 14. CONTRACTOR SHALL BE RESPONSIBLE FOR ALL TRAFFIC CONTROL MEASURES WHILE WORKING WITHIN THE RIGHTS OF WAY OF
BUCKINGHAM ROAD AND WESTMINSTER DRIVE.
FiEV19 ON DATE BY DATE. JULY 2014
011APH>C SCALE ICLIENT CODE: WILSO
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON
WILSON COUNTY, NORTH CAROLINA
STORM DRAINAGE
REROUTE PLAN
AS NOTED
JOB NUMBER: 09-144
FIELD BOOK: 826
CADFILE: 09144-BMP-BM.dwg
ASCII FILE:
LAST MODIFIED: 19-Sep-16
MODIFIED BY: PWS/RVM
sIMT W 4 of 14

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PROPOSED STONE GABION \
TO FOLLOW EX BANK
451-F)
- __ EXISIIING STONE
4-/ \ /� _ - - - - - GABION (72 LF) -- - - - - - - N
P OF
WALL
EXTEND
ABION
LL
6� NCHSGABOVE EX S NGAYARD GRADE.
CONFILL ON
A- BACKS DET OR OF GABIONSHALLPLACE WALL MATCHING
_ - � EXISTING YARD GRADE.
INV 121.32 \ \ \ \ PROPOSED STONE GABION
TO FOLLOW EX BANK
'EARTHEN COFFER DAM �~ \ (f 851-F)
AT INLET TO KEEP POND
DRY DURING CONSTRUCTION
i
7 swum
' .0000
�� Mann, ammum;0000
000,
C° .\0000 i ♦� \ \ \ . 50 FT NEUSE
128
127
126
125
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CULVERT
124
123
122
121 -
120
119
TIE TO
EXISTING
HEADWALL
I`
PROPQ ED T. NE
CD
,,,,.��N•caRo��.,,,, O EEN ENGINEERING
o�Ess/o�9.?9 WATER, WASTEWATER SURVEYING PLANNING, PROJECT MANAGEMENT
SEAL
022594 = NORTH CAROLINA FIRM LICENSE: P-M
•'••�.�!� I NE��' • 303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
''%• 4F0 •GREE�;.� TEL [phone] FAX [phone] OFFICE ® GREENENG•COM
/j/1111111111
v
!PROPOS�D�SI E GABION\
CITY OF WILSON
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON WILSON COUNTY, NORTH CAROLINA
LEGEND
EXISTING CENTERLINE
—
EXISTING BOUNDARY
EXISTING EASEMENT
— — — —
PROPOSED EASEMENT
— — —
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR
�■■�■■�■■�
EXISTING FLOODWAY
EXISTING BUFFER
---�—�--
EXISTING STREAM�—
EXISTING CONTOUR, MAJOR
10
EXISTING CONTOUR, MINOR
- -- --- —"''- --------
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR
ivi
EXISTING SANITARY SEWER
ESS
EXISTING WATER
EVI-
EXISTING STORM
---- ESD
EXISTING FENCE
x
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
TEMPORARY DIVERSION DITCH
D DD—
EXISTING TREE LINE
—
PROPOSED TREE LINE
—
ROCK CHECK DAM
DISSIPATER PAD
INLET PROTECTOR
1-1
SILT FENCE
SILT FENCE OUTLET
INLET PROTECTION
128
127
126
125
124
123
122
121
120
119
REVISION DATE BY DATE- JULY 2014
ADD WASTE AREA 04/12/16 SPH GRAPHIC SCALE CLIENT CODE: WILSO
STREAM JOB NUMBER: 09-144
FIELD BOOK: 826
REINFORCEMENT o 5 10 20 CADFILE:09144—BMP—BM.dwg
momil ASCII FILE:
SCALE IN FEET LAST MODIFIED: 19—Sep-16
PLAN MODIFIED BY: PWS/RVM
,%EEr No. 5 of 14

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S4542'24"E 218.96' _ -' -- -- -�\ \ ~ LEGEND
S3552'S4"E \ EXISTING CENTERLINE
4 112.51PIN: 371-41-2893 \ EXISTING BOUNDARY
I -w 50 FT NEUSE WILLIAM COLE ANDREWS
EXISTING EASEMENT
PROOSED EASEMENT
XISITING �" i3AM RIVER BUFFER / \ ' � _�� D.B. 1540-438 \
EXISTIING PROPERTY LINE
_._`
PRO. 190 SF CLASS I RIP _ _- \ ` = ��� \ \_ \ PROPOSED PROPERTY LINE
RAP 18" THICK OVER \ -
II 50FTNEUSE \ ��``'---� EXISTING FLOOD 100YR �■■�■■�■■�
FILTER FABRIC. \ \ \ RIVER BUFFER
S2` EXISTING FLOODWAY
EXISTING BUFFER - - -
I PRO. CONCRETE HEADWALL e _ \�� \ `'$ 1?0,)4, \ EXISTING STREAM >--/%
i' TOP WALL 128.63 -- - \ `\\� _ INV. TWIN 30" RCP EXISTING CONTOUR' MAJOR
\ EXISTING CONTOUR, MINOR -
aim\ • . PRO. CHECK VALVES ��� \\ \\ TOP OFBERM\\ \ / PROPOSED CONTOUR, MAJOR
AT END OF PIPES _ _
ELEV=128.20\, \ FLOODWAY 100 YEAR
- � PROPOSED CONTOUR, MINOR
(TIDEFLEX OR EQUAL) �� ,?s��25 \� _ �\ \ FLOOD PLAIN S285j, " EXISTING SANITARY SEWER ESS
I•
\ INV: 123.55 EMERGENCY SPILLWAY - 4g
28 �\� \ELEV=127.10 - \ �\ �- �ti� £ go / EXISTING WATER E1Af
ex. elec. station ®� !:_ oo \ �\\ WITH GRASS PAVER / \ \ _ - - �- �= 24'- EXISTING STORM - - E8D
w i p 4 \� \ \ 7 ' \ _. _ _.. _. 52. EXISTING FENCE X
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
i
D-
1 11 28 \ 50 FT NEUSE ,
B '-
� ; i ��\� _ \.\ a - ,/ � \ ' � ^ryh ' h \\, • • \ ` RIVER BUFFER EXISTING TREE LINE
PROPOSED TREEL •
w FOREBAY �28- -- E :r
PRO. SPILLWAY - '` Q \ ROCK CHECK DAM '
PERM. POOL EL=123.00 CLASS I RIP RAP
L ' BOTTOM EL = 118.00 N _ OVER FILTER FABRIC \ /
x I I I i 126' a TOP ELEV=123.25 P ' -` DISSIPATER PAD
I ( FES 2 BOT ELEV=122.00 - -- - - \
INLET PROTECTOR
I I I FES 1 a a a
\ FLOODWAY SILT FENCE
i FES #3 \CD
INV 122.57 SILT FENCE OUTLET
_ •
(I w 1 a INLET PROTECTION
� J
w
j{ ^
130 - - - -_ - 10, \ \
12e 122 DEEP POOL EL - 117.00 3:1 SLOPES
127
' -- -
�/\ PRO. 4'X4' CONCRETE RISER \. ,
I I ^
W TOP RISER=126.00
w N h� PRINCIPLE SPILLWAY=124.50 ; ^ \
I 3:1 SLOPES �- ,-, ry •
PRO. 10' MIN. VEGETATIVE SHELF "D ,�ti ^ � 100 YEAR
(TYF SLOPE AT 10:1 5' ORIFICE ELEV.=123.00 \ FLOOD PLAIN
� INV. OUT 24"=123.00 r� _
EX 203 NEW CB 1 1 L
4 _ I ^ ^ti BOT. ELEV.=123.00
bath 7, 16, 3:1 SLOPES
house (TYP) ^
LSs-
---� = _------ i \
\ 13' WIDE
MAINTENANCE
CORRIDOR i -
1 (TYP)
w ` z J ex. pp _ % \
^ 4L - �-
Iex. sign _
-=
I w /� _ _. _- -- -- ex. slide -
STORMWATER WET POND
1 / \ PERM. POOL EL=123.00 /
/ / BOTTOM EL = 119.00
CID ez. picnic shelter"
t - - ex., b�rlch ex. spring toys , p i
w \` J fez. playground equipment/ / \
\ \ / / ` \ ` \13' WIDE
\ MAINTENANCE
CORRIDOR
t _ \
_ TYP
w a' ex. swings - _ ^^°' \ \ \ (TYP)
DEEP POOL EL = 117.00� -
-j \ / , \ 0 3:1 SLOPES
w I -ex. bench,__ \ i w \ -- - -- (TYP) \ h
I ! ,a /r-
(TYP)
N
LLJ
3: SLOPES
��J� \ ^poi,
ex. pine tree
w e bench
Z
I I , 128
Y/�
SMITH RT & BJS
FAMILY LTD PAR
D.B. 1745-944
(
II
1ao 3 .1 SLOPES ', '`
/- / TYP �.
( )
STORM
DRAIN SCHEDULE
U
1
i \ 30
Number
Q
Veloc
Veloc
Depth
HGL
HGL
HGL
HGL
Line
Line
Line
Invert
Invert
(I
II
129
(
i• \
i 132
of
Total
Up
Dn
Up
Up
Dn
Hw
Hw/D
Size
Length
Slope
Up
Dn
M�
W
( _._ w _
/
i N45'46'23"W 193.59' \
FROM
TO
Pipes
(cfs)
(ft/s)
(ft/s)
(in)
(ft)
(ft)
(ft)
(in)
(ft)
M
(ft)
(ft)
I
�
HEADWALL
OUT4
2
31.38
5.88
3.68
16.03
126.14
125.58
126.75
0.78
30
78
1.60%
124.8
123.55
�
``11111111111///�'
GREEN ENGINEERING
9 WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
SEAL
022594 = NORTH CAROLINA RRM LICENSE: P-M
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
•,;� �Eo GREE����• TEL [phone] FAX [phone] OFFICE @ GREENENG.COM
'�/j/11111111\11\
CITY OF WILSON
�_>i �L_ �i►11�� i \o,
1. PROP. STORMWATER WET POND IS NOT FOR WATER QUALITY AND IS
DESIGNED FOR WATER QUAINTLY.
2. ALTERNATES SHOWN ON PLANS ARE NOT PART OF THE BASE BID AND
DESIGN.
3. PROP. WET POND HAS ADDITIONAL 1' DEPTH OF SEDIMENT STORAGE IN
FOREBAY.
4. CONTRACTOR SHALL STORE TOPSOIL ON SITE SUFFICIENT FOR
COVERAGE OF NEW SIDE SLOPES ON POND. SEE DETAIL CROSS
SECTION.
5. CONTRACTOR SHALL COORDINATE WITH OWNER DISPOSAL OF EXCESS
MATERIAL EXCAVATED
6. INSTALLATION OF THE OVERFLOW PIPE WITH FLAPPER VALVE REQUIRES
A PERMIT WITH NCDENR. CONTRACTOR SHALL NOT INSTALL PIPE UNTIL
PERMIT IS IN HAND.
Outlet
Structure Pipe
Number
Q
Veloc
Veloc
Depth
HGL
HGL
HGL
HGL
Line
Line
Line
Invert
Invert
of
Total
Up
Dn
Up
Up
Dn
Hw
Hw/D
Size
Length
Slope
Up
Dn
FROM
TO
Pipes
(cfs)
(ft/s)
(ft/s)
(in)
(ft)
(ft)
(ft)
(in)
(ft)
M
(ft)
(ft)
4'X4' RISER
FES 3
1
13.09
6.05
4.72
15.61
124.3
124.25
124.9
0.95
24
76
0.57%
123
122.57
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON WILSON COUNTY, NORTH CAROLINA
ELEVATION RECAP
DESCRIPTION
ELEV.
TOP OF DIKE
128.20
Q,,, FLOW
44.34
EMERGENCY SPILLWAY
127.10
Q,0,STORAGE
127.63
Q,, STORAGE
125.58
TEMPORARY POOL ELEVATION
124.35
PERMANENT POOL SURFACE
123.00
SEDIMENT STORAGE
119.00
POND BOTTOM
118.00
OUTLET DIMENSIONS
DESCRIPTION
DIM.
RISER
4'x4•
TOP
126.00
DRAWDOWN ORIFICE 0
61,
DRAWDOWN ORIFICE INV
123.0
RISER OUTLET 0
24"
RISER OUTLET INV
123.00
RISER OUTLET LENGTH
76'
REVEM DATE BY DATE- JULY 2014
ADD WASTE AREA 04/12/16 SPH GRAPHIC SCALE CLIENT CODE: WILSO
JOB NUMBER: 09-144
FIELD BOOK: 826
GRADING PLAN o 15 30 6o ASCII FILE:
4-BMP-BM.dwg
ASCII FILE:
SCALE IN FEET LAST MODIFIED: 19-Sep-16
MODIFIED BY: PWS/RVM
%EET No. 6 of 14

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SKIMMER BASINS
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��• o-SSIp `/41q
'•� SEAL l •'
022594
`e�1 1GRE0";•�```
STAGE SEEDING WITH EXCELSIOR
LOW VELOCITY BLANKET ON
/ WASTE AREA SLOPES. (TYP)
............
\\
::•:'
..........
" HDPE SLOPE \
/ TEMP. 15 ...........
DRAIN W/ 6' L X 4.5' W •'' .• •...•..•....•• ........:: '
i .. . ...
/ O RIP RAP PAD
STAGE SEEDING WITH EXCELSIOR 1 •••.,.• ••.::/
LOW VELOCITY BLANKET ON I .••••• ••••:i \ \
WASTE AREA SLOPES. (TYP) •;1
145 I ' / \ I I \
/ \ I
NOTE: TOP OF WASTE AREA SHALL BE GRADED
TO DIRECT STORMWATER RUNOFF TOWARDS \ I \
THE TWO(2) PROPOSED 15"0 SLOPE DRAINS. co
NO \ ) \
NO SURFACE RUNOFF WILL BE ALLOWED TO \ I
SHEET FLOW DOWN FILL SLOPES. o f
4`S I
EMERGENCY I
SPILLWAY
RIP RAP OUTLET W/
/ SILT FENCE OUTLET
o J
�— DPE LOPE
�\ �--�� I TEMP.15 S
0
6,LX4.5'W
DRAIN W/
\ RIP RAP PAD
I �
\ \
\ 140
- ....... �� ........... w� �. .
SIZE SPILLWAY FLOW _. SKIMMER..
SKIMMER DEWATER
AREA .... Q0 REQ. VOLPROV. VOL WIDTHLENGTH DEPTH' SA REQ. SA PROV. WIDTH DEPTH TYPE SIZE IN ORFIGE4IN} TIME (DAYS
_ - _........... __. .
►1 16.6 9,144 10,81.6 52 104 2 5,384 5,408 24 0.38 SKIMMER 4 1..5 3.60
1.2 6.1 4, 6 32 - _64 2 1,994 2,OU 1O 0.35 SKIMMER 4 1 3,07
I. 1#4=92,202,3 86 21 3,533 3,698 15 0.39 SKIMMER � 4 1.25 3.55
GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA FIRM LICENSE: P—(M
303 GOLDSPORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFI=10E ® GREENENG.COM
SB#3
EARTHEN BERM WITH HDPE
PIPE SLOPE DRAIN AND RIP,
RAP DISSIPATER PAD /
/ /
V
f � /
/000, /
CITY OF WILSON
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON
WILSON COUNTY, NORTH CAROLINA
LEGEND
EXISTING CENTERLINE
EXISTING BOUNDARY
EXISTING EASEMENT
PROPOSED EASEMENT
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR
EXISTING FLOODWAY
EXISTING BUFFER
EXISTING STREAM
EXISTING CONTOUR, MAJOR
EXISTING CONTOUR, MINOR
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR
EXISTING SANITARY SEWER
EXISTING WATER
EXISTING STORM
EXISTING FENCE
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
TEMPORARY DIVERSION DITCH
EXISTING TREE LINE
PROPOSED TREE LINE
ROCK CHECK DAM
DISSIPATER PAD
INLET PROTECTOR
SILT FENCE
SILT FENCE OUTLET
INLET PROTECTION
GRADING /STORMWATER NOTES
1. PROP. STORMWATER WET POND IS NOT FOR WATER QUALITY AND IS
DESIGNED FOR WATER QUAINTLY.
2. ALTERNATES SHOWN ON PLANS ARE NOT PART OF THE BASE BID AND
DESIGN.
3. PROP. WET POND HAS ADDITIONAL 1' DEPTH OF SEDIMENT STORAGE IN
FOREBAY.
4. CONTRACTOR SHALL STORE TOPSOIL ON SITE SUFFICIENT FOR
COVERAGE OF NEW SIDE SLOPES ON POND. SEE DETAIL CROSS
SECTION.
5. CONTRACTOR SHALL COORDINATE WITH OWNER DISPOSAL OF EXCESS
MATERIAL EXCAVATED
6. INSTALLATION OF THE OVERFLOW PIPE WITH FLAPPER VALVE REQUIRES
A PERMIT WITH NCDENR. CONTRACTOR SHALL NOT INSTALL PIPE UN11L
PERMIT IS IN HAND.
FEV ION DATE BY DATE- JULY 2014
WASTE AREA ADD WASTE AREA 04/12/16 SPH GRAPHIC SCALE CLIENT CODE: WILSO
JOB NUMBER: 09-144
FIELD BOOK: 826
CADFILE: 09144—BMP—BM.dwg
GRADING AND ASCII FILE:
0 40 80 LAST MODIFIED: 19—Sep-16
EROSION CONTROL MODIFIED BY: PWS/RVM
SCALE IN FEET
mmT No. 7 cr- 14

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INV 122.57 ,
EX MH 2104
TOP 128.60' •
INV 121.36 (OUT) 8"0--t /p—
EX MH 2105
TOP 128.43'
INV 119.78 (IN) 8-0 FROM EX MH 2106
INV 119.63 (IN) 8"0 FROM EX MH 2104
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BOTTOM OF DEEP POOL = 117.00 BOTTOM OF DEEP POOL = 117.00
- -- -
I ,
TOP OF POND 129.00
TOP OF POND 128.20
f I
....--
ENING BERM
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--- _
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127.10
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LEGEND
EXISTING CENTERLINE
—
EXISTING BOUNDARY
EXISTING EASEMENT
— — — —
PROPOSED EASEMENT
—
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR
■ ■ ■ ■ ■� ■ ■
EXISTING FLOODWAY
EXISTING BUFFER
—
EXISTING STREAM
EXISTING CONTOUR, MAJOR
10
EXISTING CONTOUR, MINOR
_._. _-- -- -..,. 10.1.__.._-.
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR
- 101
EXISTING SANITARY SEWER
—ESS
EXISTING WATER
EV1---
EXISTING STORM
- - ESD
EXISTING FENCE
x
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
001.
TEMPORARY DIVERSION DITCH
D-'---illo D—> D—
EXISTING TREE LINE
—
PROPOSED TREE LINE
—
ROCK CHECK DAM
DISSIPATER PAD
INLET PROTECTOR
SILT FENCE
SILT FENCE OUTLET
Q
INLET PROTECTION
0 ___00 1 +00 2+00 3+00 4+00 5+00 t-+ 0 0
CARP l• REVE ON DATE BY DATE- JULY 2014
%��"••• • • �� ' - Z� GREEN ENGINEERING c ,IC W CLIENT CODE: wILSo
OF
JOB NUMBER: 09-144
�� o��S%'�9- CITY WILSON
.� 9:
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT FIELD BOOK: s26
SEAL = CADFILE:09144—BMP—BM.dwg
022594 = NORTH CAROLINA FIRM LICENSE: P-M CROSS SECTION A AS NOTED ASCII FILE:
MERRIMONT PARK STORMWATER PROJECT LAST MODIFIED: 16—Sep-16
���NE�•; 303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893 MODIFIED BY: PWS/RVM
'' F •••'" "p'F'•� �� TEL [phone] FAX [phone] OFFICE ® GREENENG.COM
WILSON COUNTY, NORTH CAROLINA �' w. CITY OF WILSON $ of 14

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EXISTING CENTERLINE —
\ \ ' ND �ID EXISTING BOUNDARY —
\ ' `NAD 83/2011H EXISTING EASEMENT — —
\ \ \ \ PROPOSED EASEMENT
EXISTING PROPERTY LINE
\ \ ` PROPOSED PROPERTY LINE
\ \ \ EXISTING FLOOD 100YR ■ ■ ■ ■ ■ ■
EXISTING FLOODWAY
\ EXISTING BUFFER
EXISTING STREAM �—}—}—��0}—�—
\ ` \ EXISTING CONTOUR, MAJOR io
\ EXISTING CONTOUR, MINOR
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR 101
EXISTING SANITARY SEWER ESS
EXISTING WATER EW--
EXISTING STORM - ---- ESD
EXISTING FENCE x
\ l LIMITS OF DISTURBANCE
\ I PROPOSED SILT FENCE
PROPOSED STORM PIPE
I PROPOSED FLARED END SECTION
\ \ \ TEMPORARY DIVERSION DITCH -� D--� D—> D-
1 \ \ --
\ \ EXISTING TREE LINE ----�' —
\ PROPOSED TREE LINE —�
\ 1 ROCK CHECK DAM CD
DISSIPATER PAD 40
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CLIENT CODE: WILSO
.��''�"• ..... - �a-z n« GREEN ENGINEERINGGRAPHIC �'°`� JOB NUMBER: 09-144
��� LESS/p ''•.L9 W I L S O N FIELD BOOK: 826
Qom° A 9� •; WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT CROSS SECTION CADFILE: 09144—BMP—BM.dwg
ASCII FILE:
022594 NORTH CAROLINA FIRM LICENSE: P-m AS NOTED LAST MODIFIED: 19—Sep-16
:.F �: MERRIMONT PARK STORMWATER PROJECT
.•ti��N�F,•; 3W GOLDSBORO STREET EAST, P.O. BOX 6M WILSON, N.C. 27893 WASTE AREA MODIFIED BY: PWS/RUM
'',�. �,Fo"GRE�;;..��' TEL [phone] FAX [phone] OFFICE ®GREENENG.COM CITY OF WILSON WILSON COUNTY, NORTH CAROLINA �' w. 9 cw 14

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F •�NG IN���•��
RFD
WET DETENTION BASIN PLANTING PLAN -
ill = 20'
GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA RRM LICENSE: P—M
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFFICE @ GREENENG"COM
CITY OF WILSON
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON
WILSON COUNTY, NORTH CAROLINA
PERMANENT SEEDING SCHEDULE (DAM EMBANKMENT)
SEEDING DATE
SEEDING MIXTURE
APPLICATION RATE
AUG 25—OCT (BEST)
FEB—APR 15 (POSSIBLE)
TALL FESCUE
200 LBS/AC
SOIL AMENDMENTS
APPLY LIME A MINIMUM APPLICATION OF 2 TONS PER ACRE WITH 3 TONES PER ACRE IN CLAY SOILS OR PER
TEST
MULCH
APPLY 4000 LBS/AC STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT AT AROUND 400 GALLON PER ACRE
OR ACCEPTABLE ALTERNATIVE (I.E. NETTING).
MAINTENANCE
INSPECT AND REPAIR MULCH FREQUENTLY. REFERTILIZE IN LATE WINTER OF THE FOLLOWING YEAR; USE SOIL
TEST OR APPLY 150 LBS/AC 10-10-10. MOW REGULARLY TO A HEIGHT OF 2-4 INCHES.
NURSE PLANTS
BETWEEN MAY 1 AND AUG. 15 ADD 15 LBS/AC SUDANGRASS OR 10 LBS/AC GERMAN MILLET. BEFORE MAY 1
OR AFTER AUG 15 ADD 40 LBS/AC RYE GRASS (GRAIN).
NOTES:
1. PERMANENT SEEDING SCHEDUE IS FOR EXTERIOR SLOPES OF THE DAM AND INTERIOR SLOPES OF THE DAM
(FILL EMBANKMENT) TO NAORMAL POOL ELEVATIONS.
2. THIS MIX IS USED FROM THE INSIDE TOP OF DAM TO DOWN STREAM TOE OF EMBANKMENT.
PLANTING SCHEDULE
SYMBOL
COMMON NAME
BOTANICAL NAME
TOTAL
QUANTITY
„ "
FOXTAIL
ALOPERCURUS HOWELLII
1,075
BLUE FLAG IRIS
IRIS VIRGINICA
1,075
'-
ARROW ARUM
PELTANDRA VIRGINICA
1,075
LIZARD TAIL
SAURURUS CERNUUS
1,075
GRASSED AREAS
PLANTING INSTRUCTIONS
PLANT
SIZE
SPACING
INSTRUCTIONS
FOXTAIL
4 CUBIC INCH
24"x24"
Optimum seedling depth is 1/8 to 1/4 inch
CONTAINER
RANDOMLY
and no deeper than X inch. Establish before
SPACEfreezing
temperatures or early spring.
BLUE FLAG IRIS
24"x24"
Plant in spring min 45 to 60 cm between
INDIVIDUAL PLANTS
RANDOMLY
plants. Thin out every three to five years.
SPACED
Can be planted in fall by seed.
ARROW ARUM
24"x24"
Plant by overseeding in groups i"soil cover.
4 CUBIC INCH
RANDOMLY
Individual plants may be used if available.
CONTAINER
SPACED
LIZARD TAIL
4 CUBIC INCH
24"x24"
Plant by overseeding in groups i"soil cover.
CONTAINER
RANDOMLY
Individual plants may be used if available.
SPACED
NOTE: IF A RAINFALL EVENT HAS NOT OCCURED FOR 2 CONSECUTIVE
DAYS ALL PLANTINGS ON SHELF THAT ARE ABOVE PERMANENT POOL
ELELVATION SHALL BE WATERED FOR A PERIOD OF 30 DAYS AFTER
PLANTING
PLANTING CALCULATION
MINIMUM OF 50 PLANTS PER 200SF OF SHELF AREA.
AREA IN PLANTING SHELF = 17,201 SF
17,201 / 200SF = 86
86 X 50(PLANTS) = 4,300 PLANTS
PLANTS = 4,300 (ROUNDED)
PLANTING PLAN
LEGEND
EXISTING CENTERLINE
EXISTING BOUNDARY
EXISTING EASEMENT
PROPOSED EASEMENT
EXISTING PROPERTY LINE
PROPOSED PROPERTY LINE
EXISTING FLOOD 100YR
EXISTING FLOODWAY
EXISTING BUFFER
EXISTING STREAM
EXISTING CONTOUR, MAJOR
EXISTING CONTOUR, MINOR
PROPOSED CONTOUR, MAJOR
PROPOSED CONTOUR, MINOR
EXISTING SANITARY SEWER
EXISTING WATER
EXISTING STORM
EXISTING FENCE
LIMITS OF DISTURBANCE
PROPOSED SILT FENCE
PROPOSED STORM PIPE
PROPOSED FLARED END SECTION
TEMPORARY DIVERSION DITCH
EXISTING TREE LINE
PROPOSED TREE LINE
ROCK CHECK DAM
DISSIPATER PAD
INLET PROTECTOR
SILT FENCE
SILT FENCE OUTLET
INLET PROTECTION
DATE BY DATE- JULY 2014
GRAPHIC SCALE
--� D D --� D —
0 25 50 100
SCALE IN FEET
JOB NUMBER: 09-144
FIELD BOOK: 826
CADFILE: 09144—BMP—BM.dwg
ASCII FILE:
LAST MODIFIED: 22—Jun-16
MODIFIED BY: PWS/RVM
*r=ET No. 10 of 14

PERMANENT SEEDING
Summer - March 1 - August 31
Lime.
4,000 Ibs/ac
Fertilizer .. ..............................................
500 Ibs/ ac
Bermudagrass hulled
9 (hulled)
35 Ibs ac
/
Centipede
10 Ibs/ac
German Brownio Millet Grain .........................
/ P ......................................................
10 Ibs/ac
*Straw Mulch
2 tons/ac
Winter - September 1 - February 2&
Lime.... _ _
4,000 Ibs/ac
Fertilizer...... .......... ...................... ....................................
............ ......500 Ibs/ac
Sermudograss (uncalled} .........
.... ,35 Ibs/aC
TailFescue...............................................................................
................... ..50 Ibs/ac
Annual Rye .......
... 10 Ibs ac
*Straw Mulch ..............
2 tons/ac
TEMPORARY SEEDING
Summer - March 1 - August 31
Lime
2 tons/ ac
10-10-10 Fertilizer .............................. ........... ...... ..................
700 Ibs/ ac
Browntop Millet ..
40 Ibs/ac
Straw Mulch _ ....,, ..... * .......... ............................
2 tons/ac
Winter - September 1 - February
Lime ................ ... _..... ...
2 tons/ ac
10-10-10 Fertilizer......... ....................... ........................... ...
......... 700 Ibs/ ac
Oats
50 Ibs ac
Rye Grain y
20 Ibs/ac
*Straw Mulch ............ ......................... ......................
......... 2 tons ac
NOTES:
i. Mulch will b
'* a doubled if crimping is the method used.
2. Any variation from these specs must have approval of the Stormwater Program
Manager or his/her duty authorized agent.
OF.. tr Public Services Oeperbnenb Voice (252252 ) 399399I-
S CITY of WILSON, 1 BOD Herrin Avenuel P.O. B(Uk,D N.C. FAX -2453
U
�• Z 1
.n Wilson NOM Carolina 27894 USE WI
TH THE CITY OF WILSON STANDARD SPECIFICATIONS ONLY WWW.WIISDr111C.
or9
SCALE: DETAL#
=1t SEEDING
Not ro scale z350.01
A
REum,NDATE: SHEET#:
SPECIFICATIONS
Jana 2010 1 Pf 1
IP=-F.coro Inq frn ",C , 1' F61
=FF''
CONSTRUCTION SPECIFICATION
1. Clear, grub and strip the area under the embankment of all vegetation and root material. Remove all surface
soil containing high amounts of organic matter, and stockpile or dispose of it properly. Haul all objectionable
material to the designated disposal area.
2. Ensure that fill material for the embankment is free of roots, woody vegetation, organic matter, and other
objectionable material. Place the fill in lifts not to exceed 9 inches. and machine compact it. Over fill the
embankment 6 inches it would allow to allow for settlement.
3. Construct the outlet section in the embankment. Protect the connection between the riprap and the soil from
piping by using filter fabric or a keyway cutoff trench between the riprap structure and soil.
• Place the filter fabric between the riprap and the soil. Extend the fabric across the spillway foundation and
sides to the top of the dam; or
• F_.xcavate a keyway trench along the centerline of the spillway foundation extending up the sides to the height
of the dam. The trench should be at least 3 feet deep and 2 feet wide with 1 1 side slopes.
4. Clear the pond area below the elevation of the crest of the spillway to facilitate sediment cleanout.
5. All cut and fill slopes should be 2:1 or flatter.
6. Ensure that the stone (drainage) section of the embankment has a minimum bottom width of 3 feet and
maximum side slopes of 1:1 that extend to the bottom of the spillway section.
7. Construct the minimum finished stone spillway bottom width, as shown on the plans, with 2:1 side slopes
extending to the top of the overfilled embankment. Keep the thickness of the sides of the spillway outlet
structure at a minimum of 21 inches. The weir must be level and constructed to grade to assure design
capacity.
8. Material used in the stone section should be a well -graded mixture of stone with a dill size of 9 inches (Class
B erosion control stone is recommended) and a maximum stone side of 14 inches. The stone may be machine
placed and the smaller stones worked into the voids of the larger stones. The stone should be hard, angular,
and highly weather -resistant.
9. Discharge inlet water into the basin in a manner to prevent erosion. Use temporary slope drains or diversions
with outlet protection to divert sediment -laden water to the upper end of the pool area to improve basin trap
efficiency.
10. Ensure that the stones spillw
ay y outlet section extends downstream past the toe of the embankment until stable
conditions are reached and outlet velocity is acceptable for the receiving stream. Keep the edges of the stone
outlet section flush with the surrounding ground, and shape the center to confine the outflow street.
11. Direct emergency bypass to natural, stable areas. Locate bypass outlet so that flow will not damage the
embankment.
12. Stabilize the embankment and all disturbed areas above the sediment pool and downstream from the trap
immediately after construction.
13. Show the distance from the top of the spillway to the sediment cleanout level (1/2 the design depth) on the
plans and mark it in the field.
14. Install porous baffles as shown on detail 352.06.
MAINTENANCE
Inspect temporary sediment traps at least weekly and after each significant (1/2 inch or greater) rainfall event and
repair immediately. Remove sediment, and restore the trap to its original dimensions when the sediment has
accumulated to one-half the design depth of the trap. Place the sediment that is removed in the designated
disposal area, and replace the part of the gravel facing that is impaired by sediment.
Check the structure for damage from erosion or piping. Periodically check the depth of the spillway to ensure it is a
minimum of 1.5 feet below the low point of the embankment. Immediately fill any settlement of the embankment to
slightly above design grade. Any riprap displaced from the spillway must be replaced immediately.
After all sediment -producing areas have been permanently stabilized, remove the structure and all unstable
sediment. Smooth the area to blend with the adjoining areas, and stabilize property.
Public Services Departments Voice(252) 399-2465
"C' 1W0HenIngA-ue,lP.O.Box,D CITY of WILSON N.C.
FAX [phone]
( )
Wi%on Nbrth Caroline 27894 USE WITH THE CITY OF WILSON STANDARD SPECIE www.wsonnc. (CATIONS ONLY
f, pr9
1# SCALE: DETAL
z i+ R NDI TD sale 352.E 4
RIP RAP /GRAVEL a
v !` REVISION GATE: SHEET,#'.
TEMPORARY SEDIMENT TRAP June, 2010 2 of 2
r �
Ij FII_iER FABRIC.
6' VAX WI H S � EXTRA -R"N'^TH D
FABRIC. W/C WIRE FENCE
f 8' MAX. W STANDARD STRENCTH
RIr, A w -' I F 9 W1'WRE FENCE.
v �
.u:
WIRE IS REQUIRED FOR
v _ STANDARD STRENGTH
w v" I FENCING. SEE NOTE 5.
NO F 1 SELF -FASTENING STEEL
POSTS OR EQUIVALENT. DRIVE
I l < POSTS 24" :NTO G:ROUIN'D.
ASEE NOTE 2.
C\
1
:-
- - - -
z:
-- sP
E
- i�1
1•D' MAX,
k { :
1 -
i
-
N
i
- DRIVE S"POSTS
�i M''N 24" (E___ XTRA DEPTH
REQUIRED FOR UNSTABLE
l
SO'r_S`
Pubic services Departrnents Voice [phone]
CITY of WILSON,
N.C. , eoo Hem; avenue f P.O.P.o. sox 10 FAX [phone]
{v
a +9
t/ Z
Wilson north Caroline 27894 USE WRH THE CITY OF W SON 3TANDAR IF Y wWw.W119oRIID. R OSPEC ICATKXUSONL a9
r, a1
r:.
SCALE: DETAIL.
4 =r
, Nov rD s®la 351.01
TYPICAL C
SILT FENCEJunREVISION 0 21 f z
hn^ 4
rr
CONSTRUCTION SPECIFICATION
1. Grade the basin so that the bottom is level front to back and side to side.
2. Install posts or saw horses across the width of the sediment trap (Practice 6.62, Sediment Fence).
3. Steel posts should be driven to a depth of 24 inches, spaced a maximum of 4 feet apart, and installed up
the side of the basin as well. The top of the fabric should be 6 inches higher than the invert of the spillway.
Tops of baffles should be 2 inches lower than the to of the berths.
P P
4. Install at least three rows of baffles between the inlet and outlet discharge point. Basins less than 20 feet
in length may use 2 baffles.
5. When using posts, add a support wire or rope across the top of the measure to prevent sagging.
6. Wrap porous material (wire mesh, 700 plm2 corrosion control blanket or tree protection fence doubled).
Over a sawhorse or the top wire. Hammer rebar into the sawhorse legs for anchoring. The fabric should
have fve to ten percent openings in the weave. Attach fabric to a rope and a support structure with zip
ties, wire, or staples.
T The bottom and sides of the fabric should be anchored in a trench or pinned with 8-inch erosion control
matting staples.
8, Do not splice the fabric, but use a continuous piece across the basin.
MAINTENANCE:
Inspect baffles at least once a week and after each rainfall. Make any required repairs immediately.
Be sure to maintain access to the baffles. Should the fabric of a baffle collapse, tear, decompose, or become
ineffective, replace it promptly.
Remove sediment deposits when A reaches half full to provide adequate storage volume for the next rain and to
reduce pressure on the baffles. Take care to avoid damaging the baffles during cleanout. Sediment depth
should never exceed half the designed depth.
After the contributingdrainage area has beenproperlystabilized remove II
g a baffle materials and unstable
sediment deposits, bring the area to grade, an stabilize it.
Pubic Services Nnants Voice 52 399-2465
°� CITY of WILSON N.C. ' 1 \ 1800 Heal Avenue / P.O. Box 1D FAX [phone]
t O n9 ! ( )
2
.. Wi%Dn North Caroline 27694 USE WITH �THE CRY OF WILSON wSPECIFICATIONSwww.wiisonnc. c
STANDARD 0NLY 0l9
SCALE: DETAIL.
: nr BAFFLE NDtrDs®a 2352.06
TREVISION DATE: SHEET.: �1= DETAIL June, 2010 2 � 2
+r r1::.''r e.n �- -r- n=ter: ':,';..-, I'nf 1 tEP•;.cnri n' , ,. . ,., ,: r,,, ..... ,..
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WATER FLOW STAP'_E
RV
vv DETAIL E-1
CCV'ACTED \OVA
MATERIAL `� �I INTERMITTENT CHECK SLOTS
\\ \ \\ \ N07 TO SCALE
I
SET TOP ELEVATION OF
FOR BAFFLE, USE COIR MESH. 700 G/M2 COIR BAFFLE FABRIC 6"
HIGHER THANOF
INVERT
STAPLE ON CONTROL BLANKET. S LE OR TRENCH 3 INTO BOTTOM OR SIDE. DO NOT SPLICE FABRIC - a o SPILLWAY & 2" LOWER
z USE A CONTINUOUS PIECE it � THAN TOP OF CREST
ACROSS THE 6ASIN. - r� - - SUPPORT POSTS 24" - - -
r.,v. a: INTO BOTTOM OR
0 e
r
SIDES -TYPICAL
INLET ZONE
_ ti
357 0- SURFACE AREA IF
in I•
BAFFLE
SUPPORT ROPE OT WIRE
w
.{' FIRST TO PREVENT SAGGING
,',' < � ` �
ti r'r �
CHCHAMBER
OF SURFACE
AREA BAFFLE
INSTALL STAKE TO
SUPPORT WIRE
SECOND r � , y„
CHAMBER
A
SJR ACE
2s% c- o e
a'
0
AREA u
MAX.
I! ll -I
BAFFLE ' �' + A
OUTLET
ZONE r
SJR-AC
AREA
i Q
s Y �O -
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5
F
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a
0
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in
,OUTLET. '
f
:CLASS I, RIP RAP
e _
EARTHEN
EMBANKMENT �
o o
TO BE USED IN TEMPORARY R SEDIMENT TRAP
ROCK DAM, SKIMMER BASIN, OR SEDIMENT BASIN
NOTE:
SPACED
EVERY 75'
Turf Reinforcement Mat (TRM) Notes:
Channel Application
1. Install Enkamat Turf Reinforcement Mat (TRM) and Flexterra Flexible Growth Medium FGM fill r manufacturers
tT ) ( ) per
rlufaCure
specifications. Contact ACF Environmental for product distribution and further installation instructions; Doug Evans,
919.696.8257, devans0acfenvironmental.com . www.ACFenvironmental.oDm
2. Site prep: Grade site according to plans, then remove soil clods, clumps, rocks or vehicle imprints of any significant size
that would prevent the Enkamat from lying rn9 flush to surface contours.
P
3. Anchor Trench: Anchor trenches are required to securely fasten the Enkamat to the ground surface. Cut trenches for
initial anchor trenches, termination trench and longitudinal anchor trenches (6 inches wide and 9 inches In depth) as
shown on the drawings. Cut intermediate check slats at 25-35 ft. apart, perpendicular to channel flow direction (6 inches
wide and 9 inches in depth) depend
ing on Channel alignment.
4. For Channels in at the downstream end in the center of the channel. Ins trenches for position �9 P� Pce accuracy and
depth and re -di to required dimensions. Unroll approximately 10' of the Enkamat TRM scion the roll face down as
eP 9 eq PP , pos
itioning m9 (
it unrolls) over the initial anchor trench, extending several inches beyond the trench with the roll sitting on the down
stream side of the anchor trench. Positioning roll in this manor permits backf fling and compaction of soil into the trench
while allowing installer to proceed with proper deployment of TRM by unrolling upstream, over the anchor trench.
5. Position second TRM with a minimum flinch overlap of the previous TRM and secure it into the anchor trench. After
entire width area is installed with the TRM, then backfill and compact the anchor trench.
6. Continue deploying TRM upstream to the next Check slot. Overlay a minimum C 18 inches the ends of rolls with the next
rolls bet deployed, or lice ition in bottom of check slot anchor and backfill and compact check slots. Continue
() being splice, Pce P
the processes until you reach the upgrade starting point of the TRM. When overlapping successive TRM rolls, the rolls
shall be overlapped upstream over downstream and/or upslope over downsloPe.
7. Install anchoring devices at a frequency of 2 % pins/staples per square yard. Increasing anchoring devices maybe
required depending on site conditions or alignment of the slope or channel. Aiwa staple T centers the seams
eq Pe 9 9 Pe Always W ( )
between individual TRM rolls.
8. Care shall be taken duringinstallation to avoid damage occurring to the TRM as a result of the installation
9 9 process.
Should the TRM be damaged during installation, a TRM patch shall be placed over the damaged area extending 1 m
(3.25 ft) beyond the perimeter of the damage.
9. Hydraulically fill the TRM with 0.7 inches of Flextera® Flexible Growth Medium (FGM), applied with hose at dose range.
Optimum application rate is 3 500 bs/aae or to the depth C where the tips of TRM are still exposed. Includeseeding
Pt PP P IP xposed
and fertilizer per seeding schedule in Erosion Control Narrative. The seeding -fertilizer mixture shall be used within 4
hours of adding the seed to the hydrosesder tank.
10. Strictly comply with Flextera FGM manufacturers installation instructions and recommendations. For optimum Flextera
pumping and application performance, use approved mechanically agitated, hydraulic seedinglmulohing machines, hose
'
of sufficient length to reach the TRM. Use the best nozzle available to facilitate adequate penetration through the TRM at
close range. Apply Flexterra from hose positioned over shoulder with nozzle approximately at chest level (48.60') to
achieve optimum TRM infill. For optimum hydraulic performance and vegetative establishment, be careful not to overfill
the TRM. The tips of the TRM shall be slightly exposed.
11. Apply supplemental water over the area as directed by site personnel during gerndnation and initial three months of
vegetation growth.
Publ c Services Departments Voice [phone]
CI TY of WILSON,CITY
N.C.
1800 Hem; Avenue ! P.O. Sox101
r9FAX 453
Cr q,r
R S
�
Pubic Services Departments Voice [phone]
of WILSON,
1800 Henri Avenue f P.O. Box 10 L ON N.0
-
252 399 2
)
G O
�`
r19 ! FAX [phone]
Wilson North c. org
Carolina 27894 USE WITH THE CITY OF WILSON STANDARD SPECIFICATIDNSONLv WWW.WIIWnn
r
zit
w%an Non Carolina 271i94 USE WITH THE OF IF Y vrAw.wilsonnc.
ECRYO WILSON STANDARD SPECIFICATIONS org
BAFFLE
3°ALE:
Not TD ova e
or 11352.0
z 352.06
DETAIL FOR
SCALE:
NDI TD s®e
DETAIL#
12353.02
DETAIL
� /
STABILIZING CHANNELS
"J3� 20, TE:
SHEET11,
RJVwe
SHEETP.
`'ter
2010
3
CARp���,,, �� GREEN ENGINEERING
ESS/°tiq.9 = WATER, WASTEWATER SURVEYING, PLANNING, PROJECT MANAGEMENT
SEA � L � � = '
SEA 4 = NORTH CAROLINA FIRM LICENSE: P-M
F FNG I NSF`'\\ 303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFF ICE ® GREENENG.COM
3
NOTES
1. Toe in backfill into trench and compact the soil firmly to anchor the bottom
Of the silt fence so that the runoff is forced to go through the fence. No
runoff is to flow under the fence.
2. Posts for sediment fences are to be 1.33 Ib/LF steel with a minimum length
of 5 ft. Make sure that steel posts have projections to facilitate fastening
the fabric. Filter fabric may be attached using wire or plastic zip ties that
have ❑ minimum 50 lb tensile strength.
3. Total draino a area flowing to silt fence may not exceed 1 4 acre per 100 Ft.
9 9 Y /
o. fence.
4. S'It fences should not be used at pipe outlets or in areas of concentrated flaw
creeks ditchlines swales etc.
5, Construct the silt fence sediment barrier with either Standard Strength or Extra
Stren_th synthetic filter fabrics. If Standard Strength fabric TerraTex SF 90
a e
Y 9 (
or a uiv. is used wire mesh support IS required. If Extra Strength fabric
q ) PP q 9
Mirafi 1DOX or F r e uiv, is used NO support is required.
( TerraTex S D o q ) pp q
6. Standard Strength fabric TerraTex SF 90 ore equiv.) with 8 ft max post
9 ( q )
spacing DOES require support by wire mesh fastened securely to the upslope
s'de of the posts. Use wire fence with a minimum 14 gauge and a maximum
mesh spacing of 6 inches. Extend the wire mesh support to the bottom of
t:ne trench. Fasten wire reinforcement then fabric on the upslope side of the
s
fence post using wire or plastic zip ties that have a minimum 50 Ito tensile
strength.
7. Extra Strength Filter Fabric (Mirafi 1DOX or TerraTex SFD or equiv.) with 6 ft
max. post spacing DOES NOT require wire mesh support. Securely fasten
VI`er fabric directly to posts. Wire or plastic zip ties that have a minimum 50
Ib tensile strength.
Pubic Sem V cos Departments oxa 252 399-2465
.- f � DePa ( ) tp
e
s CITY of WILSON N.0 1800 Hem'. A ! P.O. Box 10 FAX 3 - 4 3
venue AX 252 992 5 n9 ! )
Wi%an North rDline 27894 USE WRM THE CITY OF WILSON STANDARD SPECIFICATxJN'SONLY vnnv.wlisonnc.
J'.
as Q•9
l
,.
SCALE: DETAIL#
=i TYPICAL NoITDs®la 2351.01
;�ORTH� SILT FENCE RJVune'o 2010 2"PIT 2
Low Fiox
u U
A. - B. -
BURv THE TO': END OF THE- TAMP THE TRENCH - ''_L Or SOIL.
VAT -LNG STR PS :.N A. TRENCH SECURE W1711 ROW OF STAPLES,
6 I11C4ES OR :MORE IN DEPTH 'IC INCH SPACING, 4 N HES DOWN
FRO;f THE THE\CH,
TYPICAL STAPLES
P< SS ENDS
IN C SJ;_
AROv\C SF LT.RES AND
S,A=L- SECI;REL" F0'A
es.'A 5VG Ii.N CHANNELS, ROC'_
0 'T S xIFS OF nETTING PARA' I EI_ E _ TO ^H_-
W1ET N nF ::-_OW AND OVER
PRCTE_-V_ IJ'JLCIT. I
-Low
L� C. OVERLAP
BURY UPPER END OF LOWER
= STR ,= ASIN "A" AND "3-
OVERLAP END OF 'OP STR:P '.8
NCHES AND S'AP_E.
D. EROSION STOP
-OLD OF MATTING BURIED IN
SET-R-\Cr, AND TAMPED
DOJB'_E ROW OF STAPLES.
Pubic Services rtments VDice 252 399-2465
OF lVi
Depa ( ,
.r WILSON, N.C. CITY of W
,800 Flea Avenue / P.O. Box 10 FAX [phone]
4
W-':%On North Caroline 27894 USE WITH THE CITY OF WILSON STANDARD SPECIFICATIONS ONLY www.wilsonnc.o
�a
STABILIZING SCALE; DETAIL.
NoI 353.01
CHANNELSR;° °p DATE: ;"�T"
-
,: r. � ,, -.1- , n;'p l nD rr: ^, ! ,,.,rr ^,nf.nnr,eB crr•,
Il
e;
EARTH BERM DIVERSION
Du-ing the initial construction the locations of the on -site roads are cleared.
_
hese areas are often left uncovered allowing them to erode causing sediment
runoff. This can be prohibited by using earth berms to redirect runoff to
cost oiled low lying areas where sediment pits or other devices are located.
R CUT CIRC.._A ..LT
i
x
'z-
I
r-
3 s;DEC JT _
is recommended that the first phase of
roadway construction be the excavation of
a diversion trench, parallel to the road There are 2 possible ways to construct
a diversion; size and shape should be
P
way
extending down to the lowest point.
9
determined through appropriate
9
f engineering design.
L,
a
MAINTENANCE:
Diversions should be inspected after
-he excavated material should be placed each rainfall and needed repairs should
and compacted on the lower side of the be made immediately to both eroded
d'version and seeded as soon as possible areas and areas needing additional
for recommended grasses and mulch. ground cover.
P800 ub,F�ceAv�arlm'n0.Box10 CITY of WILSON N.C. wFAX(252)�2453 rig ! ( )
21
W W W.W ISOnnc.
Wson North mine 27694 USE WITH THE CITY OF WILSON STANDARDSPECIFCATxNS ONLY g >y, Ce a9
EARTH BERM SCALE: 353.. NotrDs®le z353.04
' DIVERSION DETAIL REVISN E:
Juno,,2010 1 1 or
1
I'I
�\
WIRE IENCF
SELF -FASTENING
STEEL POST OR
'
���
H,,D ARE ^ �-��--
'
ON 'rv'RE =ENCt
-
EQUIVALENT SEE
NOTE 3
FLOW
S {\CF 7ABR C '0 0•J7RCAF
`AKU ARE CU"-. B" 1.2
1 �
;SEE ISOVF VIEW
1
IIn
Tn S'll, I
STONE FILTER OF ': In r
CIA NCDOT y57 VJAsrFD
Ii( �
SIDE VIEW
F
q
V I_
c,
•, �h
f
� � �
�', q
qR ,
4
J
DR VE STrcF:XTRPOSTS
L-
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MIN. ?44
NOTE 1 MIN.Iu DE. 1w� REQUKFD
�t -- - FOR UNSTABLE
\� iyl�^ SOILS)
MZ_a0s
`\ TS
'f
I
41 , gpgRT
I
35 `, �IITU^`T 6(
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41
k
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0P57 t 4'A S'-IED ST.rNt � \
I
D_ VIEW
a' 11
ISOMETRIC VIEW V +
NOTES 1. Toe In backfill Into trench and compact
L'
' f' the all fir
mly ml to anchor the bottom f t
Y
b o he
hardware cloth & overlapping sit fence
I e ce so that
the runoff is forced to go through the fence. -
J
No runoff is to flow under the fence or the relief point. SEE NOTE
2. Use silt fence outlets only when drainage area does not exceed 1/4 acre and
there is a low area. Use as a repair of silt fence failures.
3. Posts for sediment fences are to be 1.33 Ib/LF steel with a minimum length
C' 5 ff. Make sure that steel posts have projections to facilitate fastening
the fabric. Filter fabric may be ottcched using wire or plastic zip ties that
have a minimum 50 lb tensile strength.
4. See detail 351.01 for Silt Fence construction standards.
46 P blc Sarvi- rtments
/ aePa Voice 252 399-2465
C ( )
1
CITY of WILSON N.C. 18(x) Hart'. Avenue ! P.O. Bax 10
n9 FAX [phone]
i4
Wi%on North Cemlina 27894 USE WRH THE CRY OF WILSON W'MY.wiI50nnD. L30 STANDARD SPECIFICATIDNS ONLY
i
.f
SILT FENCE OUTLET SCALE: DETAIL#
x Not rD s®le �351.02
@ REVISION DATE: SHEETIP
RELIEF POINT June, 2010 . 1_,
NOTES
1. Apply lime, fertilizer and seed before laying the net or mat.
2. Start laying the net from the top of the channel or slope and unroll it down the
grade. Allow netting to lay loosely on the soil but without wrinkles do not
stretch. Mat or blanket type product should provide at least 30% coverage of
the surface where it is applied.
3. -o secure the net, bury the upslope end in a slot or trench no less than 6
riches deep,cover with soil and tam firm) as shown. Staple the net ever 12
P Y P Y
aches across theto end and every 3 foot around the edges and bottom. Where p e y ., ge ere II
2 strips of net are layed side by side, the adjacent edges should be overlapped
3 inches and stapled together. Each strip of netting should also be stapled down
the center, every 3 foot. Do not stretch the net when applying staples.
�. -o join two strips, cut a trench and anchor the end to the new net. Overlap the
end of the previous roll 18 inches, as shown, and staple every 12 inches just
below the anchor slot.
5. Vaintenance: Inspect all mulches periodically, after rainstorms to check for rill
erosion, dislocation, or failure. When erosion is observed, apply additional mulch.
washout occurs, repair the slope grade, reseed, and reinstall mulch. Continue
inspections until vegetation is firmly established.
Pub'. Sell D"Arnenl5 Voice [phone] !.
CITY of WILSON N.C. 1800 Harr) Avenue ! P.O. Box,O
O n9 FAX [phone]
, W':'SDn Noah Cen)lina 27894 USE WITH THE CITY OF WILSON www.wilsonnc.o STANDARD SPECIFICATIONS ONLY
rg
SCALE: DETAIL#
STABILIZING NDITDa®le z353.01
CHANNELS RJune,_o,E. Z"of 2
.-- 'r-. n=n +rr1.0f.nr r.: ''-r=. ,. •: r.p L., ,n„-ate•,. r.qn :n:: ::, �n 1 :-, ,.I: -I
PARABOLIC CROSS-SECTION
MIN, 0.3 FREEBOARD
�\ COMPACTED SCIL
c I rrlrr/2
2' MIN.
I 6' TYPICAL
TRAPEZOIDAL CROSS-SECTION
-MIN, 0.5 FREEBOARD
.... - TO 3E MOWED-1''._
2 _ _ 3„ 2MIN. t
I
CONSTRUCTION SPECIFICA I TI ONSk 6' TYPICAL
. All trees brush stumps, obstructions other objectionable material shall be
removed and disposed of so as not to interfere with the proper functioning of
flne diversion.
2 he diversion shall be excavated or o line shaped t grade,and cross section as
P I
recuired to meet the criteria specified herein, and be free of irregularities
which will impede normal flow.
3. Fills shall be compacted as needed to prevent unequal settlement that would
cause m damage in the completed diversion.
P
4. All earth removed and not needed in construction shall be spread or disposed of
so that it will not interfere with the function; e e e n of the diversion.
9
5. Stabilization shall be done according to the seeding and ground cover
Soecifications. Where design velocities exceed 2 fps, a channel liner is necessary
g P,
on new diversions to prevent erosion. The maximum permitted channel velocities
for unprotected soils in existing channels shall not exceed those prescribed in
,able 8.05d of the North Carolina Erosion and Se
diment merit Planning and Design
Manual unless a tempo,ary, permanent grassed, or armored lining is provided
based upon the permitted vegetated velocities (Table B.OSa) or tractive force for
temporary or permanent lining - (Table 8.059), as applicable. The Engineer
shall determine the diversion all flow and velocities, assign a corresponding
I'n'ng, and annotate on his/her plans.
NOTES:
Mcy be used to divert water away from the site, prevent excess runoff from
concentrating over large areas of the site, prevent surface water runoff over steep
s',opes, or divert Stormwater to sediment basins or slope drains.
- Pubic Services artments
< C^ � 181x1HenWAv ,l P.O.Box10 CITY of WILSON, N.C. VFAX (252) 3992453
t
-r- .
W.'sm North Caroline 27894 wmH H WWw.wilsannc.
USE THE OF WILSON STANDARD SPECIFICATIpNSONLY
SCALE:
DETAIL.
DIVERSION CONSTRUCTION L RENDITD6cele z353.06
: SPECIFICATIONS DETAIVIIIOM1DATE: 'HST%'
CITY OF WILSON
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON WILSON COUNTY, NORTH CAROLINA
NOTES:
1. Area under embankment shall be cleared, grubbed, and stripped of any
vegetation and root material. The basin area shall be cleared.
2. 7he fill material for the
embankment shall be free of roots r r 0 other woody
vegetation as well as oversized it
g e stones, rocks, argent., material or other
objectionable material. The embankment shall be compacted by traversing with
equipment while being constructed. Spillways should not be constructed through
fill sections. All spillways should be lined and/or ripropped.
3. Sediment shall be removed and trap restored to its original dimensions when the
sediment has accumulated to depth shown on standard. Removed sediment shall
be deposited in a suitable area in such a manner that it will not erode and
must be stabilized.
4. The trap shall be inspected after each rain and repairs made as necessary.
5. Construction operation shall be carried out in Such o manner that erosion chid
water pollution is minimized.
6. All cut and fill slopes shall be 2:1 or flatter, unless certified by registered
eotechnical engineer,
ineer, 9
7. Sediment basin embankments should be provided with erosion control and
stabilization.
8. Storage area may be constructed in any shape provided the minimum storage
volume requirement is me'r. The basin should also be oriented such that the
filter and the main flow i 0 o water and sediment are on opposite ends
s on the
on9 er basin dimensions.
9. -he length of the stone outlet (spillway) is to be based on a 10 year storm.
,0. Whenever topographyallows t he basin length should be twice 2X the in
9 ( )
loos
width to allow for settling.
Baffles shall be installed in all basins.
11. Cleanout stokes shall be I t e aced in all sediment basins at thelow bin ' t In the
P P
basin. The stokes shall be marked showing the half full, cleanout point, of the
basin.
12. For design of sediment basins P refer to the North Carolina Department of
Environment and natural resources E i u rosion and Sediment Control Plannin and
Design Manual.
3. For slopes greater than 10' in lea t length and protected b+ silt fence at the toe of
P 9 P J
The slope, slope terracing will be required.
14. The berm on sediment basins shall be seeded once final grade has been
reached. The silt fence may be removed if permission has been granted by the
Cif inspector after the gro
ss has germinated and stable round has
Y P 9 9 g been
established.
15. Washed stone and wire backing shall be used with silt fence whenever silt fence
is place at the toe of a slope >10' vertical or along any channel or water
course where 50' of buffer is not provided.
16. Provide a foot pad on the bottom of the settling point for the skimmer. Foot
pad to be 12" thick rip rap. Keep foot pad clear of silt.
Public Se, D artments eP Voice 252 399-2465
e wN.C.( )
a r
.. CITY of WILSON �o \ taco Hem AYanue ! P.o. Box 10
C n9FAX [phone]
4
7( )
wean Nl rth Caroline 27694 USE wlr THE www.wilsann H ECITY OF WILSON STANDARD SPECIE,rATx)hSONLY C,
•;^anti. a9
Not TD Sou e z 352.02
EN G ERAL NOTES
SEDIMENT BASINS REVISION DATE SHEET.
June, 2010 1 of 1
ANCHOR iRf.NLi7
OVERLAP 3..WFEN
ANCHOR
PANELS PIR DE"AI.
TRENCH
:._'C
®FGPA lNFILI.
HYURAUY APPLIED
-PER DE7n'L C)FLEXRRA
EROSION :;C\ I R�_ PRODUCT
\
---------ovERLn+ ENEY,
,,
(HECP) SS ,VOTES 9, 10 & 11-�
..*� (.�... yrn _.
DOFT�O_�s PL.R
✓f
�\\
Z
v
C r�
z
n.LKM :I_NI L„ELK
S741'_E PATTERN-
SUDS
SLO-is PER DETAIL
P"R DETAIL A
\
--_
3 TRENCH
DETAIL A
TRFNa: PER DETAL: r,
-----._...- LAY FIRST PANFI. IN ('E.NTFR/30TTO:M I
STAPLE PATTERN
GE CHAVNE AND THEN' WORK UP
3 T 1,625 TI F. S-OPES/:LOW
ON BOTH SIDES
NOT TO SCALE
x : TRM x
x x
x
x x-
L�
X X
x
X
x X
x x .x
x
x
x :'x
x x
X 'x'
x'
x ;x
x
, x
X �' x
�x
x
x '.:5 x
x '. x ,
x x
x
I x Lx
T.
III
x x
TP.M
x x,
x'
X !U x
x x 'x
x
x
I
'x
x r x
x
x � i x
<x
/ x
x
II
I AD';ONA:. STAP_f5 MIGH T 3F
z TRM
x
-
_ _
U..
3�QRrD AT . IRRr. G:.1i.AR
32
--
-,EVA 1'iN GI-.AIN E. T4-
x..
'
CROI. T:U SURFACE. ALWAYS
S?AC STAP_, S h : 5' NOTE:
'
NTER/ALS 'N CENT
cr AND AT T r (: y ENSURE
ALL FASTENERS ARE
C'-iAIN N'__ ,TnIEzG., sHA-tD) INSTALLED
TO MAKE DIRECT
H� TRMI�;
CONTACT
WITH TRM AND SOIL
yy-
Publ c Departments
Vmce (252) 399-"<4E5
CITY WILSON N.C.
ma's,:ty
t, € . \
,epD -ing A
Hanin Avenue / P.O. Box ill
9
of 7
FAX [phone]
Wilson North Cemline 27894
www.w
us w i
E WITH THE CITY OF WILSON STANDARD SPECPICATgM1'S ONLY 9
DETAIL FOR
SCALE:
NDScA le
DETAIL#
�Lr
STABILIZING
CHANNELS
R��Se20;o
z353.02
;"ofT3
�.-n l-, .r.-' r,, 'I _- J rinG r,,._ _., .: .,,,, I. _.. nr -
STONE SHA.__ BE PLACED OVER 11:
C-ANNF.I. BANKS 10 KEEP WATER FRCV
C -TIN C; THE DAM.--\
---TOP 0'' BAN:rr
�r., ' •�\
i
KEY STONE C 1�
r I J
'NTO BANKS-
-
_.._..
PLAN VIEW
,-IL-ERC�_C_H
JA,
dA' \K
r L s }OW
ot'I ;.:�
t _I
2 .,X:M' � I 4
JVT L ,f
- --
-2
J_\NE
- /
I
4' 10 B'
- •1LTER CLUIN
\�-12
„F n::00f fjti OR f/S
STONE
SECTION
.. ^+C
TU'P OF DOWNSTI?EAIM DAM
rn.
- _ rAr,
L' ST f...d DAM
SPACING SCHEMATIC
-'(- N '=: "A r B ,tr_En DAVIS
L I d AA M) Ad -'VA I TON AS
F,.INT 5 .,P DAM)
„_E SHEET 2 FOR NOTES
Pub Services Oe artments
P CITY of WILSON N.C. VoiceFAX (252)
S .
1800 Hemin Avenue ! P.O. Box 10
O 9 FAX [phone]
V
O
`. Wilson North Caroline 27894 USE WITH THE CITY OF WILSON STANDARD SPE IF WWN.WIISDnnO.Or C IC.4T KKJS ONLY
a.
, 9
e x
i"
(
CALE
CHECK DAM NDI TD s®le 2354.01
pp
REVIS IONDATE: SHEET#.
DETAIL June 20101 v 2
FEVMM
DETAILS
I
1Y AI:Cr NC -DOT d5 �r,'I'
a A of -III 5 u_
----
_ --
L.:[ L._BASIN
•-- _.SEE
SEDIMENT '--t Lx RAJ �- ' In_, I Rw PnP ><
t --BASIN DATA.
-
�'
I `
D 2 � 1 t
s.
T s.,
S J=.VT
7
SECTION A -A THRU BASIN AND FILTER
­siC ,FC ,,
UVF RFILI. 6" FOR
D .OP-_- I IJ
_. _F.I"I I.FMIFNT
`-[ L �}
�EI'ERGEM1v BY-PASS
I 6" 3- Cl,V SE(TLED
o DAM
_FF
✓`lf L//-'-�t ./, =1 4-F
• _._ 0= 2' TO 3.5'
SEE: SEE). BASIN
MAX.
'Nr N E
.. _. -._.
_._............ NATURAL GRCUNC
B-B SPILLWAY ELEVATION
`JOT TC =
SCHEMATIC
PLAN VIEW
in 40,a `
a
A
A B
r> \
w �
u
F'. �
ENo
cr_
C -
^= 3
4 ti
\FAX
Pub c SeM.ces Departments
1800 Hem'n Avenue / P.O. Box 10 CITY of WILSON
Ma
i- olce 252 399-2465
( )
N.C.
C
252 399-2453
9 ! ( 1
W::son North Caroline 27894 usE wlrH H I wwx.wilsonnc. T ECTY OF WILSON STANDARp SPECIFICATIOM1SONLY OIg
RIP RAP /GRAVEL
ALE:
NDISCTDB®�
DETAIL#
z352.04
4ORS
TEMPORARY SEDIMENT TRAP
";��a'°DATE:
;HEFT :
h c
`st oF�
SIDE VIEW �;-,��>
DETAIL C
M:N. OVERLAP
r-TRM
I
-'ll h1 BETWEEN PANELS
DETAIL D
_PIA
PLAN VIEW ANCHOR TRENCH
,:i - MCA - _.._. StAPLE
�_x
TRM
.r
x
+I11
_
1. -
5,
I
x
I
i
x
NOTE:
I.:
...�1 STAPLES
AT 3'
3.,
MIN _
`^
-RM
INTERVALS WITHIN
TRENCH AND AT TOP
rt
Pubic Serv-ces De aments Voice 252 399-2465
CITY of WILSON N.
N.C.
C
i 800 Hem'n Avenue
9
/ P.O. Box 10 FAX [phone]
7 ( )
WNbnh Carolina
27594 USE WITH THE CITY OF WILSON STANDARD SPECIFICATIONS ONLY W"[M'.WIISOnnD Dr9
>
DETAIL FOR
SCALE:
NDITDScaie
DETAIL#
z353.o2
RJune200TE:
�aGhi
STABILIZING CHANNELS
z"oT3
PURPOSE
-a recuce erosion in a drainage channel by reducing the velocity of flow.rt_
DESIGN CRITERIA
Drainage area is limited to one half acre.
2. Keep a maximum height of 2 feet at the center of the check dam.
3. Keep the center of the check dam at least 9 inches lower than theouter edges at natural
ground elevation.
4. Keep the side slopes of the check dam at 2:1 or flatter.
5. Ensure that the maximum spacing between check dams places the toe of the upstream
check dam at the some elevation as the lop downstream check of the downstreach ck dam.
6. Stcbilize outflow areas along channel to resist erosion.
7. Use NCDOT Class B stone and line upstream side of the check dam with NCDOT #5 or #57
washed stone
8. Key the stone into the ditch banks and extend it beyond the abutments a minimum of 1.5
`eel to avoid washouts from overflow around the darn.
CONSTRUCTION SPECIFICATIONS
9, Plcce stone to the lines and dimensions shown in the plans on a filter fa foundation,
fabric f i on
110. Kee the center stone section at least 9 inches below the natural round level where the
P c 9
dcm abuts the channel banks.
',1 . Extend stone ai least 1.5 feet beyond the ditch banks to keep water from cutting around
the ends of the check dam.
12. Set spacing between check dams to assure that the elevation at the t f 1 p g e op o he lower dam
Is the some as the toe elevation of the upper check dam.
13. Protect the channel after the lowest check dam from heavy flow that could cause erosion.
14. Make sure that the channel reach above the most upstream check dam is stable.
1115. Ensure that other areas o` the channel, such as culvert entrances below the check dams,
cre not subject to damage or blockage from displaced stones.
MAINTENANCE
116, Insoect check dams and channels at least weekly and after each significant (1/2 inch or
creator rainfall event and repair immediately. Clean out sediment straw, limbs or r
r P Y , oche
cebris that could clog the channel when needed,
17. Articipate submergence and deposition above the check dam and erosion from high flows
Ground the edges of the check dam. Correct all damage immediately. If significant erosion
u as his al In a
occurs between check dams additional measures can be taken such installing 9
protective rip rap liner in that portion of the channel. See detail 353.08
P P P P ( )
'8. Remove sediment accumulated behind the check dams as needed to prevent damage to
crannel vegetation, allow the channel to droir through the stone check dam and prevent
la,ge flows from carrying sediment over the check dam. Add stones to check dams as
reeded to maintain design height and cross section.
NOTES
''9. Do not use check dams in intermittent or perennial streams.
20, Co^tractor to verify / comply with NCDENR Erosion and Sediment Control Planning and
Design Manual (Latest revision), detail 6.83.
t \, 1
t
Pubic Servces a artments
eP Voiw 52 399-2465
(z )
CITY of WILSON N.C.
00 Hem Avenue ! P.O. Box 10 C B r9 FAX [phone]
7 ( )
\ �
WwN
W'.:son, North Carolina 27694 USE WITH THE CITY OF WILSON STANDARD SPECIFICATKTNSONLY .WISOnnG.Org
CHECK DAM
SOME'
NDIiDS®�
DETAIL#
z354.01
s�
DETAIL
REVISION DATE:
SHEET#:
June, 2010
2 of 2
DATE
BY
DATES JUL.Y 2014
GRAPHIC SCALE
CLIENT CODE: WILSO
JOB NUMBER: 09-144
FIELD BOOK: 826
0 20 40 80
CADFILE:09144-BMP-DETAwg
ASCII FILE:
SCALE IN FEET
LAST MODIFIED: 2-Jun-16
MODIFIED BY: MJN
m6=7 No. 11 of 14

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— —
11 I I Instal Bedding I Bedding Haumh & Outer Compaction � allnffW Soil Ctiouirfleation System CURB 7RANS_O\ DOMESTC VAr', V-4056- OR (,'A-,f--' F-ERY , i
PHA I � ", � " I �":, ­1', 11 I 0" TNCkneft SOH 1 Thickness 0I00r I.OIN311041 — SEE DETAI_ 402.22 __ - .
di I " - �, �­ ��­, I Type Bedding, (Std Proctor) ! DI - 84-1. C3 W1 H ")UW� NO WAS7E' ' E7T--R:NS & F-I­-, I : - I � I I
1\� � � ,ee�: �,� ` , ,,, 11 foundation � rock foundation I :
0 I, I > .
, ,: ,I , , "I e��, _;,_��� , I SW. SP. GWI GP b.th I.. than 2G% p.-N Ithe Iii .e%x, M/,3E ON -COD ��R -'- 1,41- 533.03 - `S-C&N �,' �4 : � I 5� 'W
I I I I I Pented areas �,� 0�
OD ,.�:�
. � � � - -) - A -RAME, ��
,�> , Type I Do /24 Do /1 2 95 1 .., . - . I. .... � .. TYPE -" 3RA7- I-, IVY DUTY - CC & ­ ( , � M U 0 � U
, I With Z or less I � V � .. .,:: .... � . � > V) >
� ­ (3" min) 1 (6, min) 1 ft7 Stone �onsolidabi � I" _".� . _. ... ,., --RAV�-. COV71R & HOOD WEC;H- = 550 � 35 WE GH 1!�_ : I If) 3: EL -3:
��" " , , - ,:;,, '' � bun, - I .. . .." / w �_-,, 0 C_ 0 , _0
­', �� - � 11 I'll � 1� __ 100' MIN., OR LONGER I ; to be placed per standard . � - .,�..... .��':--. . I VAY \O_ D-VIA-7 Bv MORE -HAN -5.07, --- --I,C:,_�e � 0 �
11 " , , " : i � � I. � I I a 00 0 a 0 SO
I I <1 I (BUT SUFFICIENT TO SW. SP, GW, .1 - . I , . ��.. , I ":� - ; � I, -,,,>- I I 1 .4. � V - -
1�1 �, 90% 1 pe,,9d .raRS specdcation 02MO Stomin Drainage for the I : ��� e .-...��...._.., I �
Do /24 11 00112 1 , I " � I � - Mw
I �1'•I I KEEP SEDIMENT ON SITE) Type 2 1 GM, SM, Mi applicable backf4i " and buy limitabon.. � o.. < q I It - LJ -
I'll 95% vAth greater 1. . = . = .
(3' min) 1 1 1 . : � - �c u 0 L) J 0 L) b
;.1 I than Z of bury I I , OP71ONAL CURB DEFLECTOR- � = 11 O` : V) Ch Ln 0)
, . , I ....... I.- �� q W : I
), I . �? �
. . .
, , � . :
� � � � � .. .. .. .. ..
_ Gab, SCb .
<Z�" � .-_-�..
.. .. .. .. .. .. ..� ..� ..� ..� ..� .. ..� .. .. .. .. 1 16� in) , .... w .....,
.. .. .. .. .. - - . - . - . - . - .
>­- - - ., ., ., .,
I — 97 Slone Consolidated! I I . :`, , , � I ., � - �-- ., ., /�,ez I
�_ I Reference: Design Data 40 for Standard TSonch . - I OVERFLOW I'll, I SW. SP, GW, GP 95% , q ,� I
: ,
I
I I i 11 - � 1" REBAR' FOR BAG , 1-1 I .... 1'� : 1�1
Type 3 Do 124 I Do 112 GM, SM, ML, Gab, SCb 90% 1 In RjW outside "St3I"b"" I I . - : / REM -I. ��< I
— I
- - I - - -, - - I ,�J--h __�i - I . :FROM CONTRACTOR)- -< I
,11 -1 (3'min) I (6'min) -_ - 9_0�1� I .1
I ,�­,., I ­ � I I'. I L GM, SM. Ml GO, SICb 95 of P"'mant 8 = QQ (3" Min.): If rock foundolbon, DQ (Er Min.) ,5.1�,K� ­_ �
I _o, � I � CL, III GC, or SO - 1. . 4,,_�7� - " - _,`I� . I I< �­, I-,
--I-,---- I "� , 1 / , I 11 -, ;7-1 - 11 I I " 1 I 1��., - "'II, , ,i-s-1, I I "WATER"
. , J�j - 4, — SEE NOTE 3 I , , "I - , , J r� ��', (L� i 8W. Sp, Gw, GP Nome re1d I I o',,- , - I
l", I - Do /24 i Do 12 � IS ,,, ,,, I ,�__ 11 -11 , -1 . 13 112" 1
,7§ ­1 - - , " Type 4 !I Gm, SM. Mu GO,. - - I I
ALLOW SUFFICIENT RADIUS To -1 _",� I 1 _4 � \ (3"min) 1 (6, min) ,,�� ; ,�' : I . - 11 , �1, SEE NOTE 2 � GL, MH, G ., or SC 1 85%­­` �.,` I I A NIT"
TRUCK WHEELS STAY � '­� I., ",",,-`�, '- � ,- ]J I I - - DUMP STRAP OR DUMP
�NSURE It I 11, I .�, 1111--l" - 1 �W_ A
ON 7I­-E STONE -, _ �.., . I
I N .,.,, . I I-- I - " . LOOPS AT BOTTOM PER �
1, ,;4 . � . I �-)­-EAVI DU71 FRAV-, COV�� LU J<. 1 � I
� RAVE. E- - I 1. ... L�
� BAG MANUFACTURER .. I
� �
, : I ',.'' - ETAI UD I A , ":�­-.`�.,'.'. I ISOMETR
'-ACE FABRIC UNDER STONE— ii ---� >____25' OR WIDTH OF PROPOSED I,, ATIO A I'' , I I �,�, i & HOOD - S SHEEN to __111) k IC MEW t- STREET, WHICHEVER IS GREATER -1, F I I 11� , -OR � � -
. I 1,�.­' . - BOXES 4' AND sR-ATF.R '. ,, 1_�_ 2 0- 2 TH S DE - L'i . � I 1Z I
,e I I I I I � 0. 0 .::;�:--.:,--.. `.. . PVC
,N P I , I 1, / / - , �S!-�-- STaPS --, �� I CIL "t ,,6� I..,-, � - - I
. � , �7 'RCV� , 3Y' PRECAS_ ,�, � >_ ,�:, - : ..�..� ! I..".;', .. 11-Z F,
9 N I -R . ....... - ____ . a. '_1
. 11 - - , , , - I . . VAN-F421LIR- OR V.A.V. A. S-7 `N11_`S1 _ �_ -_ , � . ... ... — ,s4 : . � � , I SCH 40
EXISTING ROADWAY - 35' MIN. . 1 15' MIN, 1�� / I I -RIES .1 -_ � , . � I I
i:X � 1, 1, , 11 � 11 11 411 ,," \Di S I .1 I , I D- .A - 534.D2 , , ,, I I I " : PVC PIPE I_
11 I I , , " , "� SEE DE -A. CC6.05 " I , ^� �� �
-] i 9 � - . " " , '' , � � .
I 14 I � I e " - , , I , �� 3, 11 I . 1�1 , .. �, ` 11 1-111 : - 7�SA41� WATER LOW', - � �
� . ..... . ­ I I / \ I I 11 (V�S_ BE '2- WIDE, ,.,� 1� �10 I � � - I I
i I I ,­ 1, � I I , -1.� I I 't-
� 1,
1 2% SLOPE (SEE NOTE 21 - , - "., , , ". �"­ " - I I I � , � , , , -, , , /' 1, � I - I ... I" ­� I � I 11 I 11 .1 I
momm=mm� � ", , I , " I � � ­ � - - I I PLAN MEW
5 '' , : , I � , . I \S_AL_`1, _� B- 5 3le" I I ­ I I I - , '? - . "-: " - "'
- - I I.,� I", I ­ - � - I � ­­­;�
' - -RCM 7AC� �­ WA�_ J . I �­ — ­� � - - ­_ -_ �:� � �_ I I - 1_' .
- `9 d� I I 11 I , " ,� I � BACK LI . 1, . , ,� I . ,� I � � I ­:� � I , I , 'I'r
�-��--, ,,,�12x�__�f�M__ I - �� ,� �� ,-A. :1 ,._-1fyr'1,e I I : . . �: :_:� -, 11
� SPHA I - I I - , , I - --P I I I" .11 ,. ­ ­­­
1-1 � ,. �:: � �­�::,
2" MiNINIUM A I , . , , ., , - -I L) 34C� OF S - AN N O I I ". . I � I
- , , , I - . , I I I z_ �:�:�t::­:: �_,' _;`_
- � , " I I � , , , � , , , , (CVERF�Li_ SU I � I- I � I � � �:�:� � �: � � � �� � ­­ � ,� " �,
AA Z __ I , ': , , , , I 1 ? I � ­­­ - � ­ � I I I I I . , -
- - . .. _ _,�­� �� ­­ : � - ­­ ­ I
- � � � �
Z \_L_2"-3" STONE TO BE USED - �! 03 1 , '' - , �, I I I UREATER _-, \ '2' 1 � � I - 1.11 . I., �.. �.� I i_­ �: , , � ��� �:,�: ,,'­ ­,­: � _�::, � - : t � �­ , � �_ I I I ,' � . 'I I I-,'
- -T :1 �� , " , - 'Y' 07 1 1 1 . 11 . 1, , 1, . � "I. ... �', `-_ - - � � � � � �� � ­�� � � � ��, �, 1� � � �::: � - � �: �:: �:� �, � - � � � � ­:: � �� :�:� � , I "I I 11 . . . SCH 40 PVC
SECTION A -A . , I , . : , , �," I ., . 6­ VARIES ­­:��t� � � � � � ­­­_ � I I , . , " . .;
, I . . ­­___ � � � - . I , I.. � ­� � I _::: :: �:�: ��: �:: � � � �:� � �� : ­ ­­ I
,. .1 I I I " , : .. MAX�1,11_1-/ 3'-C" I � _ �:::: _ I VENT PIPE
� _ __ �
� RAILROAD BALLAST I .1 , ; , - I - BE -ROW . I , , � ��i� . � _ � , , . I
(SURGE PILE STONE OR I I - � '' ! "� � ��. "::, , I SE�ARA, ON', V N. , I I .".
, ,
- SA - I ,- - , � - - I I "'.1 ­ � ­­ __ �_ -
1, I 11 , v., s - ­­­­­­­ - � ��� - � � � ­ - � - I - ': - . 1, I � 11
, � I .1 �::�:­ :::,��_�� � -, _­ ­­ �,_ � I I I I ..
,COMMENDED) - , , ­�;__� I I 11 I I I , ,. ,-v­-OJ- �N­�--R'S � � - �_ /_�� :� :�:,�,____ � �_,, _:: �:�:_ �,:: �;� I I I I SCH 40
. �i �'-OF PAV-,VFN � 1`1_1__,_ - 11 I I . 1. C-7ARANCE 1_'­ - ` . I '.. , * .
" of -111:1 '� " C---\--R OF S - --- P TO . I . I I ... � � - ­­­ ,::�����������������,���,�����,� I 11 I-
--- . I I . . .. I I �11 I I ­` 1 . AP`IROVA_ - SEE I :� - �: � - � - 11 "
I - � -� I I I 1 - I - I'll I 11,, " I . � .. .. I
I � : �: - � ,_, .— ., 1 .. - ­� �_­­ � � � � _ � � f � � � � :�,,��:� � �:,,� � 11 I .
IF CANNOT MAINTAIN I � 11 1, I I , 11", , , , N� - — I - " - - � � - � - � � I - - I VC PIPE
. - , 0_75DE 3 BOX I I - - � - � , ', I I � . .,� I , ,� , �, ;, � �_ �,N -� ,� , , , 1 - -_ � ­ - � - ENCLOSURE"
STRUCTION ENTRANCE 9�1 I I '. 11 � 1 , I ., 11 I , : �_­­­ ­­­­ ­,� ­­,_� � ­_ � � � � �� :: :� � , I �
I , � NCT - 3 ON D-TA!- � :­ , � � � � �.
W-11 I 11 1. �. � , � � � ----
I , I_ ___­ �__ : �, :
-
1, . - , , , - . ­ - ­ -_ ,-- - :
I-- 111- - I 1, .1� 11 - 4 I , � I �., 1 63L 2 1 - I - , I
CONSTRUCTION SPECIFICATIONS: I I I I I 1�::�, --' 7OR �RECAST BOXES, I 11 -I - . I I ­1 : 1 I , I I WATER LEVEL---2,
, I., -S 70 BE - � , �, 11
I 1, , - . I C N ,, 5- 11 � ... - I , I _ _
I I - - 1. I , I I - _ _
I - 11 , , , , I I . , .1 I 11
.,e � , <�, 'I, I ,�., '��WATER FLOW -=>SAG<�=___� , � WATER 1; Wl�:� , -:7 I
of all vegetation, roots, and other objectionable �, 1, 1, ,/ 1, I , 1". , I .. .1 I
REQUIRED. 1, I I , , I I 1. % �, � /_ 1. Z SEALED � , ,� �, ". �� , /
-
1. Clear the entrance/exit area I I 1, A- BJ­L RUBBER . �."
I I :,,,, , . S � I
,-e I I I I I I �. 1, , O I SCH 40 PVC BEND,
I I I I 11 I I �
material.
terial. I - ,� -1 ': I , ,� I", . '_.. _0 \_ SEALANT — �_Xl I - I I -, 1, I . , . .1 - ------- �._ -_ � , �A` i ANGLE BASE ON
. I � �_,,; : , -, �� �� "I , , ,�_ I ... I �, T I I — . --- z- -_ ___._�_ 9 I ANGLE 0" —
2, Grade the rood foundation so that the entrance/ exit will have a cross slope. 1, ,�", I " � , , I o � '. I .11 ­ z " r PIVOT POINT OF
, ;
I .1 �,�". - - -_ - . � - �. ., 1
1/2" to I � � I'll I - , I \n - 7 8: 9 __- I I .., . " I
1 ") or AASHTO designation M43, � � . [­/ ,�' ,,, Tt�A­,,�,6,"'� '. ,� Use MSHA size No. 2 (2 � � , - - Li CATCH BASIN CURB INLET "C ENCLOSURE"
, "
3. Stone size - � � (-> , 1, I I ." 1 �., SCH 40 PVC .
" I "I", I E4 A' N C,­I; � . �. ��
VW ,� A, 1.
size No. 2 (2 1/2" to 1 1/2"), or No. 4 (Railroad Ballast). 11 A � - �V,,_ I \ . . . " , .1 � ORIFICE PLATE
, , - �- --� - �, ,�, .1 ... I - H_ -AB--- I I" . 'I I "WATER" ENTRY UNIT"
a condition to prevent mud or sediment from leaving �-�,, ,,, -i.",�,"',"", , - ... I � . . I I I , LJ .
4. Maintain the gravel pad in , - ,_",� , , , . . ,�, 5- - I , . a_
_ " , ,�, , I .1 ..
the site onto the public right-of-way. This may require periodic top dressing with -X(-AVATIO � 11 ," .,� � ,�� ,� - ,. , � - I ., .. 1 , EXPENDED BASE NOTES: >_ 1/2- DIA. HOLES IN UNDERSIDE SCH 40 PVC TEE
� p Z I, ,. T I
- _INE: --/ � I I - , I - �G I SEE NO'E' 3 ON I a ; —
I � . L,se ■either concrete building brick - ASTM C55, grade N, type 1 or clay brick 0 � I SEE PIPE MANUFACTURER SCH 40 PVC PIPE
cdclitional stone as conditions demand repair and/or cleanout of any measures AS •REQ'-; RED �� -f.� f _,'' � DE -Al, ;;34.02 5 1, . 4 - - I I
used to trap sediment. Should mud be tracked or washed onto rood, it must be � -.1 I r, 11 V., �
11� FL . - ASTM C32, grade MS. I EXPANSION RESTRAINT— . i "ARM ASSEMBLY"
1 (1/4" NYLON ROPE WITH I I - I
removed immediately. I � � '"B" BEDDING - SEE TAB-7 S�-- DE -A - __1 " 2. Mortar to be type M. 11 I I CONNECTION TRANSITION
5. If construction on the site is such that the mud Is not removed by the vehicle I � I039.I I'll, I-— . � FLEXIBLE "ANGLE 6h (MAX. 45' AT
, �� ,:­,_ : -OR -- �- --,-)i\,\ECT ON 1. - /,—
: "�; �, - - �_.,11111� �_:-., 3. Concrete pipe to be class Ill. . � I
I " �, 1 ­7 1 �, _�..,, BAG MANUFACTURER) — ; I - MAX. POOL ELEVA70N)
traveling over the stone, then the tires of the vehicle must be washed before I - I . AND rORMED INV, '' 1. i. __ � " 1.�� 4. Precast boxes to conform to latest ASTM C-913 i HOSE/PIPE
--R B- " 4 , I I ' - - DD N'�: _R - - / . � SEE NOTE 16 (352.02)
- CU - - '\S -C-ION "NOTIE CI) � �
... 5 � - _S AND COVDACTION 5. Precast boxes concrete strength to be a minimum 4,DOO PSI at 28 days. NOTES: I - - I* 1".
entering the existing roadway. When necessary, wheels shall be cleaned to %... . . 9�1 � lV A - E R A ,� CC / �, OUTLET
C. )-
I I EACH S�DE, SAME / �
'WE SICE. i-t �i . , ,6. See detail 634.02 for miscellaneous notes. I I L
__
.remove sediment prior to entrance onto public right-of-way. When washing is L, -3 � � �� , , " : RE' ENT AS 1. Refer to bog / sock manufacturer for coin I I !I
FIRM J`NJID 5-URB.-D F - 11 / " ) ", ,JIREV-_ 15 HAUN��- ­7 8-------- __/ p,i4 rAS7 CONCRETE CONCRETE BR,CK ' , � I E . "
required, it shall be done on an area stabilized with crush stone which drains to - ­�­ I 1­/ \, 1 7. A penetrations in boxes sholl be inspected prior to backfilling structure w ith Instructions for removal of captured sediment procedure 11 . - .40 PIPE
- � - ,�,_ . _ART� .. .�, , , , . . .. .
, . ��__, r 11 , . ,
.� � Y�D' ­7 BEDDING: - ------ 111110- �� - ., - - - -
an approved sediment trap or sediment basin. All sediment shall be prevented , 0 - - BOX SHOWN BOX S-OWN s,one around pipe. 2. Manufacturer to be approved by The City of Wilson. 1, ., , , � 'p, � - �111 - . - I
_OOSE'_Y LACEL` D JNOCIVIPAC77--� , � _: , , , �� 1�', �; � �1 I
from entering any storm drain, ditch, or watercourse through use of sand bags, NOTES: 8. For precast boxes, provide a minimum of 5" of #57 stone for bedding. , ,�,� " , .,�,��, , ', I I A , , �� , , ­1 , �� 1. - 1�,, I ,( )*, L I- �
37DD NG EXCEPT FOR -vP--- 4 3. Engineer to provide flow rate per structure to ensure _�,� "", �, , ,_ ,,. - --- 1,­­� ,-­,"', I
gravel, boards, or other approved methods. '. Bed pipe within the public right-of-woy as shown on this detail unless designer can 9. P ace #57 stone around pipe penetrations into box. See detail 639.01. correct product ,tyee,,is is used. SIDE VIEW i SECTION B-B SECTION A -A BOTTOM OF BASIN
6. Install silt fence or tree protection fence to ensure construction entrance is used. provide design criteria justifying a laying conditior. other than Type 4. ' C. A, Iron Castings to be domestic mode. 4. Dimensions for 'L D" & "W" varies according to design. i -
I
F. IILitbic S-ices, Department, Voof [phone] ,,,16- Public Services Departrinal Voice �252) 399-2465 1 _0Z_7V__1 Public Services Departments V­ (2 2) 399-2465 ­_, Public Services Departments Vmw [phone] ­�,, Public Services Departments Vl,-,262)399-2465 ! public Services Departments Voice [phone]
��,-� 'IN /A7 0 f I U I
': 12N, Ib� W,,�'�� Pub
3D9 453 rg A�.e, / P.O. Box 1 0 52) 399-2453 'A ,\ I .;V ­,,
- 0 1 g WO Herr ng Avionue, / P.O. 5- 1 0 FAX [phone]\�� I 800 Herring Awnue, � P.O. FAX (252) 399�2453 I ", "'A\'
,,,,
V - ,%" 1 800 Henring A�urf, / P.O. Box iO CITY of WILSON, N.C. FAX[phone]WHerringAven.e,1 P.a. CITY of WILSON, N.C. FAX [phone], H- CITY of WILSON, N.C. FAX (25 \ CITY of WILSON, N.C. 11 Boxio CITY of WILSON, N.C. � �-­ 1 800 H.nihg Ave-, I P.O. 130. 10 CITY of WILSON, N.C. FAX (252� 399-2453
//'o --0- , , n, North C-1 I I '�-` , , �' �,' wilso,, North Csiroli­ 27894 'I
Wilson, North Caml re 27894 USE WITH THE CITY OF WILSON I - c. �, Wilson, N,xth C=I­ 27894 USE WITH THE CITY OF WILSON STANDARD SPECIF;CATONS ONLY �.Wlscmnc.org I �K\ 11t N.'rth(CS-27894 USEW"THECI�CFWIL�NSTAN�OS�CIF�T�MLY �.wilsormc.og ? �_ —wils-­ �1.
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" . --- �\VE
1,
C� �, " 3,000 PSI
JANUARY 22, 2009 SCALE: NTS
CONCRETE
STOCKPILE EROSION CONTROL 31-25-26
BY: EZ EXTENDED
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_SS/0... Y ..r, .Z1 , JOB NUMBR:
, 11 FIELD BOOK: 826
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0 � "'J, 4Y/-,..- � CITY OF WILSON 0 20 40 80
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< Z -4 I �'. - WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
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SEAL : =
* = : : = ����� ASCII FILE:
022594 DETAILS
� . . NORTH CAROUNA FIRM LICENSE: P-M SCALE IN FEET
. Z MERRIMONT PARK STORMWATER PROJECT LAST MODIFIED: 2-Jun-16
i -, % .5()� 'R- * - MODIFIED BY: MJN
. G I N�� .-** -Z, I., 1 303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
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_J TEL [phone] FAX [phone] OFFICE 0 a:EENENQCOM I I I
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'11118111111111111111" CITY OF WILSON WILSON COUNTY, NORTH CAROLINA I I I 91EET No. 12 oF 14
3.1 1 1 1 1 1 t 1
47-003

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PLAN "BELOW GRADE"
STIC LINER
NE
kNCHOR PLASTIC LINER
V/ #57 STONE
10 MIL PLASTIC UNIN
SECTION "A"
NOTES:
" 1. ACTUAL LAYOUT TO BE DETERMINED IN FIELD.
2. THE "CONCRETE WASHOUT' SIGN SHALL BE INSTALLED WITHIN
30 FT OF THE TEMPORARY CONCRETE WASHOUT FACILITY
3. PIT CAPACITY IS MINIMUM OF 6 CU FT PER 10 CU YD OF CONCRETE
4. CONTRACTOR TO COORDINATE WITH USACE CONTRACTING OFFICER
FOR PROPER DISPOSAL OF CONCRETE.
MIL PLASTIC LINING "CONCRETE WASHOUT" SIGN DETAIL
OR EQUIVALENT
PLYWOOD 411 X24'
PAINTED WHITE CONCRETE
W,MOU!
BLACK LETTERS
6" HEIGHT
.5' LAG SCREWS
WOOD POST
3'X3'X8'
CONCRETE WASHOUT PIT DETAIL
NO SCALE
TOP OF SLOPE
FOLD OVER TOP OF SLOPE AND ANCHOR „^r
FACE OF SLOPE
SLOPETAME
SLOPE CROSS SECTION
SPECIFICATIONS
UNITS
UNIT SIZE - 50 CM X 50 CM X 2.5 CM
(20" X 20" X 1 ")
AVAILABLE IN 9 STANDARD ROLL
SIZES
UNIT WEIGHT - 558 GRAMS (19 OZ.)
OR 2.2 KG (4.8 POUNDS)
STRENGTH - 402 KG/CM (�720 PSI)
COLOR - BLACK (STANDARD)
RESIN - 95% POST -CONSUMER
RECYCLED HDPE/LDPE
FABRIC 2
WEIGHT - 2.25 OZ./SY( 76.3 GM/M )
TENSILE - 65 x 40 LB/FT (585 KG/M )
SLOPETAME2 CROSS -BRACING
SLOPETAME2 UNITS
SLOPETAME2 FABRIC
START AT TOP OF SLOPE
:HOR PIN LOCH
'`\ I2. CM
W
0
0 15 CM
ANCHOR PIN F
TYPICAL ANCHOR PIN
PLACE ROLLS GOING DOWN THE
SLOPE WITH CROSS -BRACING
RUNNING ACROSS THE SLOPE
TYPICAL SLOPETAME2 (GRASS PAVER
ASSEMBLY AND ANCHORAGE
ESS/
SEAL
022594
F FNGeo
NOT TO SCALE
Dewatering Bag im
The purpose of Dewaterin Ba /Tube*i is to collect sediment contained in the discharged water, to prevent the scour and erosion
from higc�f'i to defuse the to
water exiting a pipe aqt velocity, water over
to
a wider area minimize erosion as the water drains away, and
retain oil contained within eRluent.
A SedCatch® Dewatering Bag/Tubelm or approved equal should be used anytime water is pumped on the site.
Installation and Use:
SedCatch® Dewatering Bag
www.SedCatch.com
1. Place SedCatch® Dewatering Bag/Tube" on the ground or on a trailer over a relatively level, stabilized area.
2. Insert discharge 5ft. inside SedCatch® Dewatering Bag/Tube"' (included) 6 times
pipe a minimum of and secure with a rope wrapped
around the snouf over a 6 inch width of the bag. To close Open end of the Dewatering Tube': Overlap the tube 2 {. from the end.
PUMP INSERT DISCHARGE
HOSE 5ft. IN BAG
Gather the center of the doubled -up portion forming a bow tie. Secure with a rope wrappped multiple times.
3. Replace SedCatch' Dewatering Bag when half full of sediment or when the sediment ilas reduced the flow rate of the
•�• •
pump
discharge to an impractical amount, OR- empty SedCatch® Sediment Tube" when half full of sediment or when the sediment has
the flow the discharge to impractical
• •
reduced rate of pump an rate.
r,.'.
Maintenance and Disposal:
SUCTION HOSE .`.'. ___ i DEWATERING '.'
1. Remove and dispose of accumulated sediment away from waterways or environmentally sensitive areas. Slit open Dewatering Bag and
----=- BAG-s-•••,
'.
remove accumulated sediment. Dispose of bag at an appropriate recycling or solid waste facility, OR: open both enzs of the SedCatch®
..�
Dewatering Tube?', pick it up in the center and dump accumulated sediment out of both ends. Allow to dry and store for re -use,
'ns
• •
. . . . . . .
. . . .
n in
as directed engineer or inspector.
Y 9 P e
\WATER I HOSE ARGE
-� WRAP ROPE
6 TIMES
r - --__
TRENIru,
BURY BOTTOM OF PLYW,,,,,
STEEL FENCE POST
"�`'TREAM END
FORM DRAIN
4/4" EXTERIOR
PLYWOOD
UPSTREAM END OF
STORM DRAIN
FUPSTREAM END
OF STORM DRAIN
OVERFLOW
�1
3 PIPE
j DIAMETER
J" EXTERIOR
PLYWOOD
OVERFLOW
1
PIPE
DIAMETER
WASHED STONE FILTER HARDWARE HARDWARE CLOTH
ACROSS PIPE INLET CLOTH
LAST REVISED: DETAIL
PLYWOOD / STONE FILTER INLET PROTECTOR NOVEMBER 23, 2010 31-25-09
BY: JE
Engineering SCALE: NONE SHEET 1 OF 1
12" CLASS I RIP -RAP
6" GRAVEL FILTER OR FILTER
BLANKET
//'��
12„
MIN
\\\ \.\/
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\�j\�j\��'\\j'\�i
LAST REVISED: DETAIL
BANK STABILIZATION NOVEMBE2010 31-25-12
Engineering BY:: JE
SCALE: NONE SHEET 1 OF 1
CL - t9 _ Zocc. GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA FIRM LICENSE: P-OM
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFFICE @ GREENENG.COM
CITY OF WILSON
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SHEET 1 OF 3
838.01
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON
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838.01
WILSON COUNTY, NORTH CAROLINA
PLAN
G M G
I I
L DOWEL
OPTIONAL CONSTRUCTION JOINT
ELEVATION
NOTE:
INSTALL 2 FRESNO VALVE SERIES 6000-10C FLAP GATES
ON END WALL OUT 4
PLACE GROOVE OR
BELL END OF PIPE
TO FACE OF WALL
(IF CONST. JOINT IS USED)
SLOPE AS INDICATED ON PLANS
S
CONIC. PIPE � #4-BARS
M o 12 rr
B
DOWEL
END ELEVATION BAR-"X"
DOWELS IN ENDWALL WITH REINFORCED CONCRETE PIPE
PIPE
SINGLE PIPE
DOUBLE PIPE
LOC.
DIA.
15"
1 18"
1 24"
30"
36"
42'r
46"
15"
18"
24"
30"
.361t
42„
48"
BARS
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2
2
2
3
G
QTY.
2
2
3
3
4
4
5
2
2
3
3
4
4
5
TOTAL LBS.
9
9
14
14
19
55
65
12
12
19
19
23
77
92
DIMENSIONS AND CONCRETE QUANTITIES
USING CONCRETE PIPE
COMMON DIMENSIONS
SINGLE PIPE
DOUBLE PIPE
D
H
B
G
T
S
L
YO
M
L
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15"
3'-3"
1'-8"
2'-9"
2 4"
9112"
5'-6"
0.7
2'-2"
7'-8"
1.0
18"
3'-7"
1'-10"
3'-2"
21t"
10"
6'-4"
1.0
2'-7"
8'_11"
1.3
241r
4'-2"
2'-1"
4'-0"
3"
10"
8'-0"
1.5
3'-5"
115"
2.0
30 If
5r-0"
2'-6"
4'-7,r
41/;r
111/2"
sr 2"
2.3
4'-3"
13' 5"
3.1
36"
5'-8"
2'-8"
5'-6"
4, r'
111/2"
1 V-0`r
3.4
51_0"
16`-0"
4.5
42"
6r-2"
3'- 1"
6'-4"
514
11It"
12'-B"
4.5
5'-10"
18'-6"
6.0
48"
6'-9"
3'-5"
7'-2"
534"
111t"
14' 4"
6.0
6'-13
*SEE SHEET 3
GENERAL NOTES:
CHAMFER ALL CORNERS 1" OR HAVE A RADIUS OF 1".
PLACE 2 #6 "Y" BARS IN THE TOP OF ALL ENDWALL FOR PIPE CULVERTS 42"
AND OVER WITH A MINIMUM OF 3" COVER AND A LENGTH OF 6" LESS THAN
ENDWALL LENGTH.
CONSTRUCT BOTTOM SLAB WITH FORMS.
DO NOT INTERPRET WALL THICKNESS (T) SHOWN FOR THE THICKNESS
ACCEPTABLE, BUT IS USED IN COMPUTING ENDWALL QUANTITIES.
WHEN THE CONTRACTOR ELECTS TO USE A CONSTRUCTION JOINT AT THE BOTTOM
OF THE PIPE, PLACE BAR "X" DOWELS IN THE BASE AS SHOWN ON PLANS.
SPACE BARS APPROXIMATELY ON 12" CENTERS UNLESS OTHERWISE DIRECTED
BY THE ENGINEER.
WHEN THE CONTRACTOR ELECTS TO USE A CONSTRUCTION JO:[NT AT THE BOTTOM
OF THE PIPE AND POUR THE BASE SEPARATELY LEAVE THE POUR ROUGH.
USE CLASS "B" CONCRETE.
DETAILS
REVISION DATE BY DATE- JULY 2014
APHIC SCALE
AS NOTED
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JOB NUMBER: 09-144
FIELD BOOK: 826
CADFILE: 09144-BMP-DET.dwg
ASCII FILE:
LAST MODIFIED: 2-Jun-16
MODIFIED BY: MJN
mmmo-13 of14

[Detclls Provided by APPIAN Consulting Engineers - www.ap.pionengineers.com, 05/06/2010 - 12:32:05 PMI
FINAL GRADE
ry
0
JOINT RESTRAINT SYSTEM' Ld M
REQUIRED AT ALL JOINTS'
ON VERTICAL SENDS 11 1/4, 22 1/2, or 45 DEGREE
BENDS AS REQUIRED. (TYPICAL
4 PLACES OR AS NEEDED)
-ADAPTER TO DIP
(IF APPLICABLE) LOCATION
BEYOND REQUIRED r;=III-
,RESTRAINT LENGTH
:F—
I =' —' 't'—=i III—I1,
a = Length of DIP required for,
restraint to be determined by
designer & shown on drawings.
11111,111,11JAII 11 11 IJIIIII 1,111111.11114 1111 1 1 111 111
ALTERNATE SWIVEL CONNECTOR
AVAIL -ABLE SIZES (6" WATER LINE)
k66"
5"x12"
5"x24"
Al
_
1 12 .
24"
B
1 18-
1 307
41-
MJ x PE OR MJ x MJ PIPE
MECHANICAL JOINT
SWIVEL CONNECTOR PIPE
1 FULL JOINT DIP
MJ SPLIT
GLAND 4' Mfti
0 /—MJ )c PE OR MJ x MJ PIPE
01!
MJ SPLIT
0 0 GLAND
MECHANICAL JOINT, ELI 1.
1 FULL JOINT DIP "B'
1: 1 )'I I I I ]'I I I I f I I I I I t I I I I I I I I I I I I I'l i'I I i:1 I -ITI I I I I I I I I I I I 'I I I I I I I I I I' I I "'II I I I I I
NOTES:
1. The offset is to be assembled above ground first.
2. Record all as —built lengths using the center lines. of the pipes or bends as
reference points.
3. Adapters vary in type according to, the material of the existing water main.
4. Compact ductile iron (350 p.s.i.) fire hydrant offset connector pipe (AWWA
C-110—ANSI A21.4) equal to or exceeding "GRADE LOK" as manufactured by:
Assured Flow Sales, Inc., 1—(800)-388-0678
5. All mechanical joint fittings or valves shall have a joint restraint system.
Public Services Departments Voice [phone]
t.
1800 Herring Avenue, / P.O. Box 10 CITY of WILSON, N.C. FA� w(252)1399-2453
Wilson, North Carolina 27894 USE WITH THE CITY OF WILSON STANDARDSPEC I IFICATtONS ONLY .w sonnc.om
C� SCALE:
VERTICAL OFFSET Not TO SDETAIL#
cale 2512.07
REVISION DATE: SHEETM
DETAIL'June, 2010 1 of
%
%%,%*�N\ CARO�
_SS/0
SEAL
022594
JI ...
eb %
TRENCH WIDTH
PLAN VIEW
SAW CUT EX ASPHALT
TRENCHES TO PROVIDE A
SMOOTH EDGE. ADDITIONAL
CUTTING MAY BE REQUIRED TO';,
PROVIDE A STRAIGHT EDGE.
eers - www. appionf-r-Igineers. cam
—TOP 3 FEET OF
TRENCH SHALL BE
BACKFILLED WITH
STONE' SCREENINGS.
UNDISTURBED EARTH W1 1 MECHANICALLY COMPACTED SELECT
SELECT EARTH I TRENCH (
(INITIAL) BACKFILL FINAL) BACKFILL, 6" LAYERS,
95% STANDARD PROCTOR (AASHTO T-99).
(DETAIL 511.02) FLOWABLE FILL AS AN ALTERNATE MAY
BE REQUIRED BY CITY ENGINEER.
BEDDED PIPE
TRENCH W10TH=
(PIPE O.D. + 12" MIN.)(STEP 1) (PIPE O.D. + 24" MAX.)
TRENCH CUT AND
TEMPORARY BACKFILL
BITUMINOUS CONCRETE SURFACE
COURSE TYPE S-9.5. MATCH EXISTING
ASPHALT DEPTH OR 2" MINIMUM.
ALL PATCHES OVER 2" THICK SHALL BE
PLACED IN APPROPRIATE LIFTS. t _y
REMOVE CONTAMINATED
MATERIAL AND REPLACE WITH
CLEAN SCREENINGS TO
BOTTOM OF PROPOSED
PAVEMENT, COMPACT
ILL,
(STEP 2),
PAVEMENT REPAIR
NOTES: I
1. See detail 511.01 for location of metallic tape and locating element lement (e.g. tracer
wire) over all pipelines.
2. All exposed asphalt surfaces shall be tacked.
3. A min. 1 1/2" thick overlay of type S-9.5 asphalt, 25 If each way along
pavement from c/l of trench may be required by the city.
4. Detail applies 'to max 4' x 4' square cuts. Saw cut ex. asphalt when trench.
Public services Departnents Voice [phone]
18M Herring Avenue,/ P.O. BOX 10 CITY of WILSON, N.C.:FAX [phone]
a. wil—, North Carollna 27894 USE WITH THE CITY OF WILSON STANDARD SPECIFICATIONS ONLY www.wisonnc.org
PAVEMENT SURFACE SCALE: DETAIL
NotToScale 2CO1.03
REVISION DATE: SHEETM
REPAIR June, 2010 1 of -I
GRADE
PIPE
2'-0"
#4 REBAR 0 6
ANTI -SEEP COLLAR SINGLE PIPE
N.T.S.
TRENCH WIDTH
SECTION A -A
GREEN ENGINEERING
WATER, WASTEWATER, SURVEYING, PLANNING, PROJECT MANAGEMENT
NORTH CAROLINA FIRM LICENSE: P-CM5
303 GOLDSBORO STREET EAST, P.O. BOX 609 WILSON, N.C. 27893
TEL [phone] FAX [phone] OFFICE 0 GREENENG.COM
I&
Detc';'s Provided by APPIAN Consulting Engineers www.applonengineers.com 06/07/2010 3:35:24 PM
-EXTEND DRAIN AS REQUIRED
TO COINSIDE WITH HEIGHT OF
TEMPORARY BERM FUTURE FILL / EMBANKMENT
PVC FLEX PIPE 4' MIN
(SEE PLANS FOR SIZE, 3:1 MAX. SLOPE SECTION A -A
TYPE, AND LENGTH)
1. 5' MIN COVER ELBOW (IF APPLICABLE)
GRADE
PIPE INVERT
(SEE PLANS)
4' MIN.
TEMPORARY TEMPORARY OR OPTIONAL]
DITCH r)lxxRqlnN PIPE TEE
RIDGE
SHOULDER BERMS (IF APPLICABLE)
-A
HOLD DOWN STAKE
r1
I
0 10' INTERVALS
l
TOP OF
TOE OF TEMPORARY BERM
TEMP. BERM
DISCHARGE INTO A STABILIZED
WATERCOURSE, SEDIMENT
TOP OF
TRAPPING DEVICE, OR ONTO
TEMPORARY BERM
STABILIZED AREA
—00-TD --am-
li!1; II3 I.Ii 1
11=
<
-wo—TD —0— 0
TEE OR END SECTION
(AS APPLICABLE)
Lj
F-
TOP OF FILL I
ITEMPORARY
DIVERSION
•
(SHOULDER)
RIDGE
ELBOW (IF APPLICABLE)
HOLD DOWN STAKES
0 10 INTERVALS
SLOPE DRAIN
CL
0
a_
0
It
PLAN VIEW,
(SEE PLANS FOR SIZE,
CWn
LW
TYPE, AND LENGTH)
ELBOW (IF APPLICABLE)
TIE BACK STAKE FOREACH
TOE OF FILL
2x4
-------
-------
(OPTIONAL) PIPE TEE
ENERGY DISSIPATOR
FOR EROSION CONTROL
I
DISCHARGE INTO A
STABILIZED
WATERCOURSE, SEDIMENT
TRAPPING DEVICE, OR
ONTO STABILIZED AREA
NOTES:
(E�T�SD:�
A
1. Use material from
temporary ditch for
construction of temporary
diversion ridge.
-1,
Public Services Departments
1800 Herring Avenue, I P.O. Box 10
Voice [phone]
CITY of WILSONN.C. FAX
,fa0
R �Wilson,
4.
North Carolina 27894
., (252).399-2453
USE WITH THE CITY OF WILSON STANDARD SPECIFICATIONS ONLY www.wilsonnc.org
�1,
PIPE
SLOPE DRAIN
SCALE:
Not ToScale
DETAIL#
2358.01
DETAIL
REVISION DATE:
June, 2010
SHEETik
1 of I
CITY OF WILSON
F1
Pif
2
ANTI -SEEP COLLAR DOUBLE PIPE
N.T.S.
MERRIMONT PARK STORMWATER PROJECT
CITY OF WILSON WILSON COUNTY, NORTH CAROLINA
DETAILS
SECTION A -A
REVISION DATE BY DATES JUL-Y 2M
GRAPHIC SCALE
AS NOTED
A DE -DAD (Fi`,i a" TVD
JOB NUMBER: 09-144
FIELD BOOK: 826
CADFILE: 09144—BMP—DET.dwg
ASCII FILE:
LAST MODIFIED: 2—Jun-16
MODIFIED BY: MJN
ma=7 No. 14 of 14