SW4191001_17-002 Rev05 2020-02-05_2/6/2020

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ECE GENERAL NOTES
GENERAL NOTES
1. EXISTING BOUNDARY AND TOPOGRAPHIC INFORMATION TAKEN FROM SURVEY DATA SUPPLIED BY R. S.
JONES AND ASSOCIATES, INC.
2. WORK WITHIN PUBLIC RIGHT-OF-WAYS SHALL BE IN ACCORDANCE WITH ALL FEDERAL, STATE AND LOCAL
REQUIREMENTS, NOTIFICATIONS, STANDARDS AND POLICIES.
3. CONTRACTOR SHALL BE RESPONSIBLE FOR TRAFFIC CONTROL MEASURES FOR ALL WORK W/IN PUBLIC
R/W PER THE MANUAL ON UNIFORM TRAFFIC CONTROL DEVICES FOR STREETS AND HIGHWAYS AND THE
N.C. SUPPLEMENT TO THE MUTCD AND LOCAL CITY INSPECTORS DIRECTION.
4. ALL CONSTRUCTION SHALL BE PERFORMED IN ACCORDANCE WITH THE PROJECT PLANS AND/OR
SPECIFICATIONS, LOCAL STANDARD DETAILS AND CONSTRUCTION STANDARDS, STATE CONSTRUCTION
STANDARDS, AND OTHER APPLICABLE CONTRACT DOCUMENTS.
5. CONTRACTOR IS FULLY RESPONSIBLE FOR CONTACTING ALL APPROPRIATE PARTIES AND ASSURING THAT
UTILITIES ARE LOCATED PRIOR TO THE COMMENCEMENT OF CONSTRUCTION. CALL NC ONE CALL
(PREVIOUSLY ULOCO) AT 1-800-632-4949 FOR UTILITY LOCATING SERVICES 48 HOURS PRIOR TO
COMMENCEMENT OF ANY WORK. CONTRACTOR SHALL VERIFY LOCATION AND DEPTH OF ALL EXISTING
UTILITIES PRIOR TO CONSTRUCTION.
6. UNDERGROUND UTILITIES SHOWN USING BEST AVAILABLE INFORMATION. ALL LOCATIONS SHALL BE
CONSIDERED APPROXIMATE ONLY. THERE MAY BE MORE UNDERGROUND UTILITIES THAN ARE SHOWN
HEREON. CONTRACTOR SHALL FIELD LOCATE ALL UTILITIES PRIOR TO ANY EXCAVATIONS.
7. CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING UTILITIES TO REMAIN DURING ALL
DEMOLITION AND CONSTRUCTION ACTIVITIES.
8. ALL CLEARING, GRUBBING AND UNSUITABLE FILL MATERIAL SHALL BE DISPOSED OF LEGALLY.
9. ALL PAVEMENT, CURB, STORM DRAINAGE PIPE, AND STRUCTURES TO BE REMOVED SHALL BE HAULED
OFFSITE AND DISPOSED OF LEGALLY.
10. SIGNAGE SHALL BE LOCATED AS SHOWN. SIGNAGE SHALL BE CONSTRUCTED IN ACCORDANCE WITH
LOCAL STANDARDS.
11. SITE LIGHTING SHALL AS SHOWN, AND SHALL BE SUFFICIENT TO PROPERLY ILLUMINATE THE SITE IN
ACCORDANCE WITH LOCAL STANDARDS.
12. LANDSCAPING SHALL BE INSTALLED IN THE PROVIDED YARDS, IN ACCORDANCE WITH LOCAL STANDARDS.
13. NO SIGHT OBSTRUCTING OR PARTIALLY OBSTRUCTING WALL, FENCE, FOLIAGE, BERMING, PARKED VEHICLES
OR SIGNS BETWEEN THE HEIGHT OF TWENTY-FOUR (24) INCHES AND EIGHT (8) FEET ABOVE THE CURB
LINE ELEVATION, OR NEAREST TRAVELED WAY IF NO CURBING EXISTS, SHALL BE PLACED WITHIN A SIGHT
TRIANGLE OF A PUBLIC STREET, PRIVATE STREET OR DRIVEWAY CONTAINED ON THE PROPERTY OR ON
AN ADJOINING PROPERTY.
CONTRACTOR SHALL NOT MAKE ANY MODIFICATIONS TO THE APPROVED DRAWINGS
WITHOUT PRIOR APPROVAL OF BOTH THE DESIGN ENGINEER AND LOCAL INSPECTOR.
GRADING & STORM DRAINAGE NOTES:
1. ALL CONSTRUCTION SHALL BE IN ACCORDANCE WITH THE LOCAL CONSTRUCTION STANDARDS,
SPECIFICATIONS, AND PROCEDURES AND THE NCDENR'S SEDIMENTATION AND EROSION CONTROL
STANDARDS, SPECS., AND PROCEDURES.
2. CONTRACTOR SHALL VERIFY THAT ALL APPLICABLE STATE AND LOCAL PERMITS REQUIRED FOR THE
COMMENCEMENT OF GRADING OPERATIONS HAVE BEEN OBTAINED PRIOR TO START OF GRADING.
3. CONTRACTOR SHALL BE RESPONSIBLE FOR FIELD VERIFICATION OF ALL EXISTING UTILITIES PRIOR TO
THE BEGINNING OF DEMOLITION AND/OR CONSTRUCTION.
4. CONTRACTOR SHALL BE RESPONSIBLE FOR PROTECTING ALL EXISTING UTILITIES TO REMAIN DURING ALL
CONSTRUCTION ACTIVITIES.
5. ALL STORMWATER MANAGEMENT FACILITIES SHALL BE DESIGNED AND CONSTRUCTED TO MEET ALL
STATE AND LOCAL REQUIREMENTS, INCLUDING THE STATE STANDARDS FOR WATER QUALITY AND
DETENTION FACILITIES (CURRENT EDITION).
6. EROSION CONTROL IS PERFORMANCE BASED. EROSION CONTROL MEASURES SHALL BE PROVIDED PER
THE EROSION CONTROL PLAN AND AS NEEDED TO PROTECT ADJACENT PROPERTIES.
7. CONTRACTOR SHALL PROVIDE ALL STAKING, FLAGGING AND/OR FENCING NECESSARY TO PROVIDE
PROPER PROTECTION OF THE STREAM BUFFER.
BRANDYWINE DR
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PRELIMINARY SUBDIVISION PLAN FOR.
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PROPERTY LINE
EASEMENT
SETBACK
RIGHT-OF-WAY
CENTERLINES
CURB & GUTTER
EDGE OF PAVEMENT
SIDEWALK
CREEK
STRUCTURE NO.
CATCH BASIN
YARD INLET
STORM DRAINAGE JUNCTION BOX
CURB INLET
SANITARY SEWER MANHOLE
SANITARY SEWER CLEANOUT
METER BOX
VALVE
FIRE HYDRANT
FIRE DEPARTMENT CONNECTION
LIGHT POLE
UTILITY POLE AND GUY WIRE
CABLE TV LINE
ELECTRIC
FIBER OPTIC CABLE
GAS LINE
OVERHEAD UTILITY LINE
SANITARY SEWER
STORM DRAIN PIPE
TELEPHONE
WATER LINE
GRADE CONTOUR
FINISHED GRADE SPOT ELEVATION
CLEARING LIMIT/TREE LINE
LIMITS OF DISTURBANCE
DITCH OR SWALE FLOWLINE
TREE PROTECTION FENCE
SILT FENCE
FENCE
RIP RAP APRON
CHECK DAM OR COIR WATTLE
SEDIMENT FENCE OUTLET
INLET PROTECTION
ELECTRICAL TRANSFORMER
LEGEND
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EXISTING IRON PIPE
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EIR
EXISTING IRON ROD
IPS
IRON PIPE SET
PKS
PK NAIL SET
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COMPUTED POINT
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PROJECT INFORMATION:
OWNER/DEVELOPER:
ROBERT M. BRAME
2863 SOUTH JIM MINOR RD
MEBANE, NC 27302
PROPERTIES INCLUDED IN PROJECT:
2679 JIM MINOR ROAD
2689 JIM MINOR ROAD
PIN# 9802-59-3969
PIN# 9802-59-3974
PARCEL ID# 170308
PARCEL ID# 170309
TAX ID# 9-13-183
TAX ID# 9-13-184
2.8 ACRES
3.3 ACRES
2863 JIM MINOR ROAD
2817 JIM MINOR ROAD
PIN# 9802-59-5721
PIN# 9802-59-4690
PARCEL ID# 170310
PARCEL ID# 159117
TAX ID# 9-13-185
TAX ID# 9-13-5
1.68 ACRES
14.25 ACRES
CULBERSON LN
S JIM MINOR ROAD
PIN# 9802-58-4657
PIN# 9802-58-9583
PARCEL ID# 159114
PARCEL ID# 159116
TAX ID# 9-13-4A
TAX ID# 9-13-4
6.01 ACRES
13.71 ACRES
TOWNSHIP 9: THOMPSON
DEED/PLAT REFERENCES:
DB: 2823 PG: 0093 PB:
073 PG: 0293
DB: 3239 PG: 0957
DB: 2487 PG: 215 PB:
073 PG: 0293
SOILS:
CnB2, CnC2, CnD2, CnE2 =
CULLEN CLAY LOAM = GROUP C
RvA = RIVERVIEW LOAM =
HYDROLOGIC GROUP B
WtB = WYNOTT-ENON COMPLEX = HYDROLOGIC GROUP C
FEMA MAP #3710980200 K, EFFECTIVE
11/17/2017
FLOOD HAZARDS PRESENT
TOTAL ACREAGE: 41.74 ACRES BY SURVEY
TOTAL # PROPOSED LOTS: 33
LOTS
AVERAGE LOT SIZE: 0.49 ACRES
(NOT INCLUDING LOT #33)
TOTAL OPEN SPACE: 530,223
SF OR 12.17 ACRES
WINDING CREEK TRAIL: 316.09
LF
FOREST CREEK LANE: 1,186.86 LF
PATTON MILL LANE (PRIVATE):
1,271.77 LF
17-002 Project Name (10/17/2019)
Existing
Proposed
Gross Land Area (GLA):
1,818,140
1,818,140
Project Area: (GLA-surface water)
1,599,584
1,599,584
Impervious Area (site)
Roof
992
0
Roadway
0
50,518
Parking / Driveway
9,212
2,581
Sidewalk
0
180
Impervious Area (lots 1-32j
Roof
each lot =
2,000
Driveway
each lot =
1,000
Sidewalk, patio & hardscape
each lot =
500
Lot allowance
each lot =
1,000
Impervious per lot
each lot =
4,500
Total impervious for all lots
32 lots =
144,000
Impervious Area (lot 33)
Driveway
16,092
Future Roadway
20,000
Future Development
60,408
Total Lot 33 Build Out
96,500
Pervious Area
Landscaping/ Other Pervious
1,589,380
1,305,805
Surface Water
218,556
218,556
Protected Forest
0
0
Other Areas
Custom Land Cover
0
0
Land Taken Up by SCM
0
0
Total All Areas:
1,818,140
1,818,140
Total Impervious Area:
10,204
293,779
Total Impervious % of GLA
0.56%
16.16%
Total Impervious % of Project Area
0.64%
18.37%
n\A/NlFD-
ROBERT M. BRAME
2863 SOUTH JIM MINOR ROAD
MEBANE, NC 27302
PHONE: [phone]
[e-mail]
ENGINEER:
CHARLES P. KOCH P.E.
EARTHCENTRIC ENGINEERING, INC.
204 WEST CLAY STREET
MEBANE, NC 27302
PHONE: [phone]
FAX: [phone]
P H I L. K OCH @EAR TH CEN TR I C. COM
SURVEYOR:
ROBERTS. JONES (L-3939)
R.S. JONES & ASSOCIATES, INC. (C- 2565)
201 WEST CLAY STREET
MEBANE, NC 27302
PHONE: [phone]
FAX: [phone]
B OB B YJ@R SJON ESAN D ASSOCI ATES. COM
INDEX OF DRAWINGS:
C1.0 COVER SHEET
C2.0 EXISTING CONDITIONS
& DEMOLITION PLAN
C3.0 SITE PLAN (80 SCALE)
C3.1 SITE PLAN (60 SCALE)
C4.0 EROSION & SEDIMENT CONTROL
PLAN: INITIAL
C4.1 EROSION & SEDIMENT CONTROL
PLAN: FINAL
C5.0 GRADING & STORM DRAINAGE PLAN
C6.0 UTILITY PLAN (80 SCALE)
P1.0 WINDING CREEK PLAN & PROFILE
P2.0 FOREST CREEK PLAN & PROFILE
P3.0 OFF -SITE WATER PLAN & PROFILE
D1.0 NCG01 GROUND STABILIZATION AND
MATERIALS HANDLING
D1.1 NCG01 SELF -INSPECTION,
RECORDKEEPING AND REPORTING
D1.2 EROSION CONTROL DETAILS
D1.3 EROSION CONTROL DETAILS
D1.4 EROSION CONTROL DETAILS
D2.0 UTILITY DETAILS, WATER
D3.0 STORM DRAINAGE DETAILS
D4.0 SITE AND PAVING DETAILS
D4.1 FUTURE TRAIL PARKING DETAILS
CALL BEFORE YOU DIG... IT'S THE LAW.
CALL N.C. ONE-CALL(1-800-632-4949)
FOR LOCATION OF UNDERGROUND UTILITIES AT LEAST
2 WORKING DAYS PRIOR TO BEGINNING GRADING OR TRENCHING.
NORTH CAROLINA GENERAL STATUTE 87-102
APPROVAL STAMP
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: 1"=150'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
P:\17-002\17-002 Drawings\--Working\17-002 Working.dwg, C1.0 - Cover, 2/6/2020 8:53:04 AM
PRELIMINARY SUBDIVISION PLAN

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u
�14
wy
sg
VICINITY MAP
i"=2,000'
PROJECT INFORMATION:
OWNER/DEVELOPER:
ROBERT M. BRAME
2863 SOUTH JIM MINOR RD
MEBANE, NC 27302
PROPERTIES INCLUDED IN PROJECT:
2679 JIM MINOR ROAD 2689 JIM MINOR ROAD
PIN# 9802-59-3969 PIN# 9802-59-3974
PARCEL ID# 170308 PARCEL ID# 170309
TAX ID# 9-13-183 TAX ID# 9-13-184
2.8 ACRES 3.3 ACRES
2863 JIM MINOR ROAD
PIN# 9802-59-5721
PARCEL ID# 170310
TAX ID# 9-13-185
1.68 ACRES
CULBERSON LN
PIN# 9802-58-4657
PARCEL ID# 159114
TAX ID# 9-13-4A
6.01 ACRES
TOWNSHIP 9: THOMPSON
DEED/PLAT REFERENCES:
DB: 2823 PG: 0093
DB: 3239 PG: 0957
DB: 2487 PG: 215
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/ / j i - \ - - / / /i / / / / z r� X / / / // / / )AVA ) A \"s) A I A \\n\ �/� // /// // // BY PILOT ENVIRONMENTAL INC. ON / /// / j A ✓ // //j / / // CALL N.C. ONE-CALL(1-800-632-4949)
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/ �// / / ////// 2 WORKING DAYS PRIOR TO BEGINNING GRADING OR TRENCHING.
/ - -_ - \\ - - / / / / � 60 / / h� / / / / / \ / h / _ /� - /o / / / ," / /" V �s 1 II /// /� Mo // / NORTH CAROLINA GENERAL STATUTE 87-102
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2817 JIM MINOR ROAD
PIN# 9802-59-4690
PARCEL ID# 159117
TAX ID# 9-13-5
14.25 ACRES
S JIM MINOR ROAD
PIN# 9802-58-9583
PARCEL ID# 159116
TAX ID# 9-13-4
13.71 ACRES
PB: 073 PG: 0293
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DATE:
AUGUST 29, 2018
HORIZONTAL SCALE:
V=100'
VERTICAL SCALE:
N/A
PROJECT MANAGER:
CPK
DRAWN BY:
CPK
PROJECT NO:
17-002
DRAWING NAME:
17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
PRELIMINARY SUBDIVISION PLAN
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NORTH CAROLINA GENERAL STATUTE 87-102
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PROJECT INFORMATION:
OWNER/DEVELOPER:
ROBERT M. BRAME
2863 SOUTH JIM MINOR RD
MEBANE, NC 27302
PROPERTIES INCLUDED IN PROJECT:
2679 JIM MINOR ROAD
2689 JIM MINOR ROAD
PIN# 9802-59-3969
PIN# 9802-59-3974
PARCEL ID# 170308
PARCEL ID# 170309
TAX ID# 9-13-183
TAX ID# 9-13-184
2.8 ACRES
3.3 ACRES
2863 JIM MINOR ROAD
2817 JIM MINOR ROAD
PIN# 9802-59-5721
PIN# 9802-59-4690
PARCEL ID# 170310
PARCEL ID# 159117
TAX ID# 9-13-185
TAX ID# 9-13-5
1.68 ACRES
14.25 ACRES
CULBERSON LN
S JIM MINOR ROAD
PIN# 9802-58-4657
PIN# 9802-58-9583
PARCEL ID# 159114
PARCEL ID# 159116
TAX ID# 9-13-4A
TAX ID# 9-13-4
6.01 ACRES
13.71 ACRES
TOWNSHIP 9: THOMPSON
DEED/PLAT REFERENCES:
DB: 2823 PG: 0093 PB:
073 PG: 0293
DB: 3239 PG: 0957
DB: 2487 PG: 215 PB:
073 PG: 0293
SOILS:
CnB2, CnC2, CnD2, CnE2 =
CULLEN CLAY LOAM = GROUP C
RvA = RIVERVIEW LOAM =
HYDROLOGIC GROUP B
WtB = WYNOTT-ENON COMPLEX = HYDROLOGIC GROUP C
FEMA MAP #3710980200 K, EFFECTIVE
11/17/2017
FLOOD HAZARDS PRESENT
TOTAL ACREAGE: 41.74 ACRES BY SURVEY
TOTAL # PROPOSED LOTS: 33
LOTS
AVERAGE LOT SIZE: 0.49 ACRES
(NOT INCLUDING LOT #33)
TOTAL OPEN SPACE: 530,223
SF OR 12.17 ACRES
WINDING CREEK TRAIL: 316.09
LF
FOREST CREEK LANE: 1,186.86 LF
PATTON MILL LANE (PRIVATE):
1,271.77 LF
GRAPHIC SCALE
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DATE:
AUGUST 29, 2018
HORIZONTAL SCALE: 1"=80'
VERTICAL SCALE:
N/A
PROJECT MANAGER: CPK
DRAWN BY:
CPK
PROJECT NO:
17-002
DRAWING NAME:
17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON
THIS DRAWING IS NOT FOR
USE ON ANY OTHER
SITE OR PROJECT. THE
REPRODUCTION OR
OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF
EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric
Engineering, Inc.
SHEET NO.
CQo)
o 0
':\17-002\17-002 Drawings\__Working\17-002 Working.dwg, C3.0 - Site Plan, 2/6/2020 8:53:16 AM
( IN FEET )
1 inch = 80 ft.
PRELIMINARY SUBDIVISION PLAN

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1� SIDE SETBA No 2p.0 CLEAR OR GRADE SIGHT TRIANGLES a_/ _ FL w +
\ \ (� J
TO IMPROVE VISIBILITY IF NEEDED
NIA \ \ \ nnnO
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10' SIDE SETBACK APRON Ld + +
r7Ld+ + + + + \ \
60.0' 10.0' i ° 20.0' + + + + + + + + + + +
BUILDING SETBACKS: / + + + + + + + + + + + + + + + w i
4 + + + + + + + + + + + + + + + + + + + T (�
\ + + + + + + + + + + + + + + + + + + + + + I
FRONT (MAJOR COLLECTOR): 40' U O N w
\ / i \ 12.0' + + + + + + + + + + + + + + + + + + + + + N O C� U
FRONT (LOCAL ROAD): 30' \ \ 1 + + + + + + + + + + + + + + + + + + + + + + L N O
CUL-DE-SAC: 30' a / \ w
m / + + + + + + + + + + + + + + + + ♦--r Co N C'� Co �
w \ \ PATTON MILL LANE Co co O U
T \ M + + + 50' PRIVATE + + + + + + + + + + + + / co
SIDE (STREET /CORNER): 25' /= \ �j *oo + + + + + + + + + + + + + + + + + / (n N O
OPEN SPACE / i 00 \ PRIVATE RIGHT-OF-WAY / ^^,, N Y
SIDE (44 ft RI fURBANCE �' + + + + + PRIVATE + + + + + + + + / W >, C)
295,504 SF OR 6.78 AC oos4nc `n STORM EASEMENT + + + + + + + + + + + .ROAD + + + + + + + / (� T T .-
REAR: 20' ) /
\ \ (10' OFF SYSTEM + + + + + T T + + + + + + + U z O O
20,000 SF LOTS BASED ON PUBLIC WATER & PRIVATE SEPTIC / ,�� 98. \ / i cCZc • • Cz
+3a-os- - /,/ / / � V O x 2p
TYPICAL LOT SETBACKS / \ \ \ > / _ _ - _ -+� _ _ / / - O
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+ + + + + + + + + + + + + 33 + + + + 0 z / W 3 £ \ ' + + + + + + + + + + + + + + + + + +
4 OPEN SPACE 1. + + + + + + + + + + + 4 506,371 SF + + + + a 0 a
+ + + + + + + + + + + + + + + + = u� •• O-
O 4,655 SF `9l 11.62 AC TOTAL Z U 20,000 I N 20, 00 SF / 0.11 Ac WITH 1.38 AC IN _ = LL Z
o° N 0.46 AC a 0.4 AC zto� + + + + + + + + + PRIVATE R/W + + + + + = U Z . N = J
N PRIVATE + + + + + + + + + + + + + +
,Po/ \\ I 5 \ +++++++++++++++
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,� \ `ems\°, ^ >Z. + + + + + + + + a
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4,000 SF
5 AC00
/
� / 9
. / m / 9'°� 9h/ so �`OO \ \ \ \ r A 56.1 9 ,9G b 6 <Z99
\ \mob R175.0' \ 4`1
HATCHED AREAS
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� / R200.0' �4' A \ 06°- ss 9b 0�060ACF 7 SOILS A FORTE SEPTICC
EE /0,002 SF
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m 1 / 7 - ss`
20.0' / \ 21,774 SF / F ° o•" pg • fib\ / 20, 0 SF
/ Q / 0.50 AC Ssib / / <<t b \ 0.46 C °1
Ld
00 61
/ Ln / .b99< 3%0o
/m FUTURE GRAVEL PARKING LOT \ < s%76°9 / \ sb \ 20,001 S ry' + + W
/ � WITH CONCRETE HANDICAP SPACE �°� /Ni �^ I \ .F9� ` 46 AC 10 yy / ' 0
/ O/� AND ISLE FOR TRAIL ACCESS 29 `/ �� \��R200.0' 7gx0° oF69b \ \ + + T
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/ z / 20.421ACF / 19 \ \ 350 R384.2'\ C O.000AC
/ ah 21,52 F b
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24,o -F + TYPICAL 9p.s N o �9\ / + + �c�` P/
0.55Ld
°° ZL'6Zy
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0.46 A BUFFER
\ / ± N Fy
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24,720 SF / / °° \ NI ' 170.57 AC
\ \ Q N
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20,329 \ •ss� \ 0,057 SF
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CALL BEFORE YOU DIG... IT'S THE LAW. 60
CALL N.C. ONE-CALL(1-800-632-4949)
FOR LOCATION OF UNDERGROUND UTILITIES AT LEAST
2 WORKING DAYS PRIOR TO BEGINNING GRADING OR TRENCHING.
NORTH CAROLINA GENERAL STATUTE 87-102 \
N
SITE
VICINITY MAP
I"=2,000'
� � 1
0 0.46 AC CONCEPTUAL WALKING
\ \ \ ;� R150.0' TRAIL IN EASEMENT \ b 40•¢5/ RI
o TO BE DEDICATED
20�^� & CONSTRUCTED BY /
,557 S
.47 AC \ \ / °o o° THE ALAMANCE COUNTY 20,109 SF Y Y Y Y Y
/ \ ✓ � \ /X � TRAIL SYSTEM alpZ � � 0.46 / \ � \ ` m U U U IL EL
U U
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2 \ _ A y 39 �8• x <ZO9 N 9� (n
26.0' V A6o.93 v kaa PUBLIC 16 CLUSTER MAIL BOX \ �\ 2,6 4 SF w
/ya STORM EASEMENT, ON 8" THICK CON. PAD \ �s .5 AC ' J 2
I �P 10' OFF SYSTEM, (GRADE TO DETAIL
R35.0'� ) z� / 14 I N \ Z O Z
24 °y / TYPICAL ss \
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0,557 S 20,000 S I 13
\ 0.46 AC
a o+°� �9 ' ' 2 000 SF207.
\
I "
\ �"s R48.0' \ / 16 CLUSTER MAIL BOX
8" THICK CON. PAD
(GRADE TO DETAIL)
9g 9Fb A3=6 R63.0'/ \ 43.03' 169.70'
20,556 SF I \ \ o
0.47 AC
I \ \ O OPEN SPACE STREAM BUFFER _
20 522,744 SF
20,000 SF = 12.00 AC , i
tI 'o�, 0.46 AC
o •
/ ^ _
20,000 SF \ �y6' � � i� �� ' •
0.46 AC 20,000 SF \ " . / STREAM
\ I I 0.46 AC '
I / j.i. C) + +
W
A156' L' L 04
N +
GRAPHIC SCALE 0-0-r7
w�Lo I
30 60 120 240 / / •� W 00
0-
. ' THERE ARE NO WETLANDS z r7 z x
LOCATED ON SITE AS DETERMINED ca.� 0 F
� BY PILOT ENVIRONMENTAL INC. ON o'
( IN FEET OAUGUST 26, 2019 AND ACCEPTED rr :2
1 inch = 60 ft. ' BY NCDEQ ON SEPTEMBER 20,2019 z
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: V=60'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
CQo)
O
PRELIMINARY SUBDIVISION PLAN
17-002\17-002 Drawings\__Working\17-002 Working.dwg, C3.1 - Site Plan, 2/6/2020 8:53:21 AM

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/ \ - - - - - - A A A - - A
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/ / / � / / // A i i , v TOP OF BERM: 549.50 - - - - - v v - - - -
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- - - - - - v CLASS A EC STONE: vA
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/ TERMINATION POINT OF EXISTING 8" I - I / s / DIMENSIONS ®WEIR• 52 Lx26 W �� v _�_ v\ -
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- \ \ -�;" � - 11 \ '9 - � - - - - - � /j / / / / - - - - - -� EASEMENT \ �' \ \ \\\\ \
\ / �/ 0�\ \ -_ - . - - ' / / /h� / \ ORIFICE SKIMMER W� 0.75 DIA �' � V\ \ I \ � \ \ \ \ \V A v v V _ wA
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\ < � �� \ \ \ - - - - _ - - - - - - - - �i _ _ i / \ - - V V / CLASS A EC STONE: �\ V A V A \ \ \ NLDET INSTALL
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l . � _1 v - v v \ _ - - - -- \/��� / �i l / v v v v A V I_ i V \ \ V \�A \\ V A PRIOR TO GRADING
\ " A a_ � - v v - - CULVERT 1.1: - - - - , 1 A j -/// x -� - \ - - -_ v� V I_ v v / \ PRIVATE DRIVE
�� �� - �,� v vvvv y�vvv �vvv\vvII y I
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.� \ \ - @ 0.57% SLOPE ,--\-/ 66 /� / // / \ h°� \------- �\ \\\s \-- \ \ \ \ \ \ \ \ �'\ x �� \\ \ \ \\\ I I
/ I / \ ,� / i ;��� - - v v A - - _ SEDIMENT TRAP 1.2 \ . s k\\ �\ \ \ V A
\ � � 12 X50 CONSTRUC1ON ENTRANCE __/ � ` / of ) I _ - - - - - v� � - � � v DA: 0.39 AC A \ \ \ � � V'_ °off A \� V A \ \ V I I i I
v �i �� ,�' i - _ _- �__ _� v �`s�� -_ - - \ \ \, �t VA\ VA VA\
TOP OF BERM 530 50
/ � V � / FES IN: 548.36 � I / / v A v __ � �__ - \ \ A A \ \ V �
�E i _ - - v v v - -CREST OF WEIR: 529.00 - A � \ \ \ \
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/ CLASS A EC STONE: / \ v ( \ - - - / \ \ \� \ \ V \ V A V A
/ \ \ 3.75'Lx3.75'Wx12"T \� �/ i A � v \ / - - - �� - v DIMENSIONS ®WEIR: 34 Lx17 W - - - - / A V `� V A \ \ \
J / V / h a FES OUT: 548.10 � A - - - - - v -- v - DEPTH FROM WEIR: 3.5 MIN - _ / v A \
I/ / / _ i h - \ ---- A �l ICI \ VA \ VAA� V A V\\ / ' �/ - APRON @ FES: \ \ \ ` - - - YARD INLET 1. 0: 3 BAFFLES REQUIRED / / w,
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/ / l ss� / � \ - \ - - - - - i l \ \ � \ \ \\ \
/ A _ _ _ e WEIRS: 526.90 v -oss- / I n \ \ \ �V A \ i
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/ / / / / % A 5'Lx6.25'Wx12' T A v / / o
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I / � // o -- ---- �� � V A I� I �II\ 1
TAILDITCH ALONG ROADSIDE AS PROTECTION / / y v \ v v v v� - II A \ \ \ \ "' I \
\ , / /// ✓� �� - -\ - A LENGTH OF WEIR: 5 � v - - - v v A v v \ - - - - - - - /
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\ � � / i \ - \ \ \ DIMENSIONS ®WEIR: 34 Lx17 W / \ - \ \ - - - - - - -
AND DIRECT ROADWAY RUNOFF i v -_ \ \ V v - - stis_ - � A \ \ \ \
/ TO SEDIMENT BASIN / - i 1\ „+tT - \ / - V - v - � V A \
- v - DEPTH FROM WEIR: 3.5 MIN / - /
/ - % / l (i , j /� _ 11 v 3 BAFFLES REQUIRED - v v v v v - - - - - _ / \ \ V A \
\ AREA OF DISTURBANCE _ ✓ ,/ / it / - -� - � V A \ \ \ V , ) I \ I ' / / / - ' v - - - - - - - - / _ / / I \ \ � 1 I IIII \
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/ / \ I 1 /
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/ // y I / \ \ V A �'�� - / - 71.9 LF 24" RCP - - ,DA: 0.28 AC - - - - - - - ////;j /// /_ i
MINOR ROAD ARE APPROXIMATE. - ` - /
- - - - - / -// / ////// / /
\ -. a / -� \ \ \ \ \ \ I I / _ -_ - - @ 2.09% SLOPE , - TOP OF BERM: 524.50 -sas- �/ // / iii V /11
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: 1"=60'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
PRELIMINARY SUBDIVISION PLAN
P:\17-002\17-002 Drawings\--Working\17-002 Working.dwg, C4.0 - EC Plan, 2/6/2020 8:53:27 AM

PROJECT INFORMATION:
OWNER/DEVELOPER:
ROBERT M. BRAME
2863 SOUTH JIM MINOR RD
MEBANE, NC 27302
PROPERTIES INCLUDED IN PROJECT:
2679 JIM MINOR ROAD
2689 JIM MINOR ROAD
PIN# 9802-59-3969
PIN# 9802-59-3974
PARCEL ID# 170308
PARCEL ID# 170309
TAX ID# 9-13-183
TAX ID# 9-13-184
2.8 ACRES
3.3 ACRES
2863 JIM MINOR ROAD
2817 JIM MINOR ROAD
PIN# 9802-59-5721
PIN# 9802-59-4690
PARCEL ID# 170310
PARCEL ID# 159117
TAX ID# 9-13-185
TAX ID# 9-13-5
1.68 ACRES
14.25 ACRES
CULBERSON LN
S JIM MINOR ROAD
PIN# 9802-58-4657
PIN# 9802-58-9583
PARCEL ID# 159114
PARCEL ID# 159116
TAX ID# 9-13-4A
TAX ID# 9-13-4
6.01 ACRES
13.71 ACRES
TOWNSHIP 9: THOMPSON
DEED/PLAT REFERENCES:
DB: 2823 PG: 0093 PB:
073 PG: 0293
DB: 3239 PG: 0957
DB: 2487 PG: 215 PB:
073 PG: 0293
SOILS:
CnB2, CnC2, CnD2, CnE2 =
CULLEN CLAY LOAM = GROUP C
RvA = RIVERVIEW LOAM =
HYDROLOGIC GROUP B
WtB = WYNOTT-ENON COMPLEX = HYDROLOGIC GROUP C
FEMA MAP #3710980200 K, EFFECTIVE 11/17/2017
FLOOD HAZARDS PRESENT
TOTAL ACREAGE: 41.74 ACRES BY SURVEY
TOTAL # PROPOSED LOTS: 33
LOTS
AVERAGE LOT SIZE: 0.49 ACRES
(NOT INCLUDING LOT #33)
TOTAL OPEN SPACE: 530,223
SF OR 12.17 ACRES
WINDING CREEK TRAIL: 316.09
LF
FOREST CREEK LANE: 1,186.86 LF
NAK(;LL IU#J I /U,)Ub, I /U,)U'J, I /U,) I U, I n&1 14, 1 ny I I b, 15y I I /
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DIMENSIONS ®WEIR:40 Lx20 W
/ i / / / / \ \ \ j / /,,; - DA: 6.62 AC / - � � - - - - v A � DEPTH FROM WEIR: 3.5 MIN , � -
/ / / / 5 � / - - ) V A \ \< V / / - V V A - ��-_ �� - - - - v v v '_1 - - - -_ ' 3 BAFFLES REQUIRED - u�s_HORIZONTAL SCALE: r�-6o'
� / / � / / - -- A \ h „��'--� - - -TOP OF BERM: 527.50 I
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/ , / \\ ; '' -� LENGTH OF WEIR: 13 ���� A \ - - - PROJECT MANAGER: CPK
/ / / / / / - - / A / / / I I '�;I. I / FES: 531.00 DIMENSIONS ®WEIR: 95'Lx4TW \ \ \ \ �� _ - \ v v v - - _ - �� �� - �� DRAWN BY: CPK
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\ \ V A V A V A / \ \ V A V A _ - (�� 'lam THE PROPERTY OF EarthCentric Engineering, Inc.
\ \ \ 1 I \ \ / / / / / ) - - A , \ \ \ VA V A \ \ \ \ \ � I I \ �\ A A V\ - - - - - - 2 THE INFORMATION ON THIS DRAWING IS NOT FOR
\ / / / 91 .8 LF 24" RCP / / \ \ \ \ \ A \ \ VA \ \ \ \ V A - - - - - \ \ � - - - - O USE ON ANY OTHER SITE OR PROJECT. THE
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PROJECT INFORMATION: TOWNSHIP 9: THOMPSON - / �' �/� _ - - V- - �� - �1 , \�- - - V V� �`� _ -
DEED�PLAT REFERENCES: - - \- 7 - - - CULVERT C �\ �� VA V ��� - - -
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OWNER DEVELOPER: DB: 2823 PG: 0093 PB: 073 PG: 0293 i \ \ u/ / -�� �� �� - - -��s - _ �� @ 1.50% SLOPE �� �� APRON @FES: �� �� - -
DB: 3239 PG: 0957 i , -- -\ _/ ( \ A A \ i / /j j - - - - _ � �-, / � � � � � �� -
ROBERT M. BRAME i � / � A - _ -- - 77 �// - - - _ \ - CLASS A EC STONE: \ _ - -
2863 SOUTH JIM MINOR RD DB: 2487 PG: 215 PB: 073 PG: 0293 \ / / - - - - - - / - \ - - -
MEBANE, NC 27302 5S5/ / - - - / \ �� // %�� 1-1 - - -�-� �� ���� �� �� A� �V� � �� \ 5'Lx6 25'Wx12"T VAX " t
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CnB2, CnC2, CnD2, CnE2 = CULLEN CLAY LOAM = GROUP C / / ) ) / / / - � - - - - � - - - �7 A \ \% -
PROPERTIES INCLUDED IN PROJECT: i -
2679 JIM MINOR ROAD 2689 JIM MINOR ROAD RvA = RIVERVIEW LOAM = HYDROLOGIC GROUP B / - _ - / / / % y V / - - - - - - - - - - -- - -A- � v �� � �\ VA A�� -
WtB = WYNOTT-ENON COMPLEX =HYDROLOGIC GROUP C i / - ( / - - - - - - - - - - -- -g�L_1 j�\ \ V v s �- lbM3A18a �L\ 1
PIN 9802-59-3969 PIN 9802-59-3974 / / /- - - - -
PARCEL ID# 170308 PARCEL ID# 170309 � - - - - - - - / // / / ) / / , \ / - - _ - - - __-99 - - _ _ _ �V/� VA V \ \ �\ �_, __ y - \ _
TAX ID# 9-13-183 TAX ID# 9-13-184 FEMA MAP #3710980200 K, EFFECTIVE 11/17/2017 �' - / / / / A � - - - - -- - - �A A \\ V V A �� �', - -- -
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FLOOD HAZARDS PRESENT � / / / - - - - - A A - Z
2.8 ACRES 3.3 ACRES -_ ---- /// / / / \ /----_--- --A �� \\ \V\ V� 0 \ -s -
2863 JIM MINOR ROAD 2817 JIM MINOR ROAD TOTAL ACREAGE: 41.74 ACRES BY SURVEY - - - / _ - � / / // /�� / / / \ \ / �_ - - - - � j A\A \ V A I V A \ \+ + \ + ---
TOTAL \
PINS( 9802-59-5721 PINS( 9802-59-4690 # PROPOSED LOTS: 33 LOTS / / / / �,� / ( \ V i A \ \ \ N ( \ + +\ + + +
if # - - - /� I \ - / �. \ \ \ n- \ N \ \ \
PARCEL ID# 170310 PARCEL ID# 159117 AVERAGE LOT SIZE: 0.49 ACRES (NOT INCLUDING LOT #33) o - - - / / - � v V \ + \+ \+� � \ + �+ +\ +�
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TAX ID# 9-13-185 TAX ID# 9-13-5 TOTAL OPEN SPACE: 530,223 SF OR 12.17 ACRES - � 5� - _ � / � ���\ � � v � APRON @FES: V ° +�\+ � � \ \+V A+ � + +
1.68 ACRES 14.25 ACRES WINDING CREEK TRAIL: 316.09 LF - - - / // - - - �� �+/ � \ -A A \ -,,�,, / Z � CLASS A EC STONE: A \ \ \ � \ \ \+\ + \ \+ I+ + I
FOREST CREEK LANE: 1,186.86 LF - - - - ,� �j -- - / / � - � \ \ \ A \/ /- \ 3.75'Lx3.75'Wx12"T \ V A \+\+ + \+ +\ +V A+ + �+ +I+
CULBERSON LN S JIM MINOR ROAD PATTON MILL LANE (PRIVATE): 1,271.77 LF - - _ - i - i A � / v __ - 1 � A \ / A \ \ + \+ \+\ +
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PARCEL ID# 159114 PARCEL ID# 159116 _ A _ - - /� - / A - A
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CALL BEFORE YOU DIG... IT'S THE LAW. GRAPHIC SCALE \ \ / I / I / \/ /o / � / - sos; - - ;�- - _ - _ _ _ � _ ; ., = _ _
60 0 30 60 120 240 / / / / / / \ \ \ \ �,/ / //� / / \,z / / ����.. _��• - -- - -- -� ----- _ - -- ii� �_� - --
CALL N.C. ONE-CALL(1-800-632-4949) / / / / _ - - - - - - - - - - �%
FOR LOCATION OF UNDERGROUND UTILITIES AT LEAST V / % / / / / / �` / / / / / / \ o - - - -� - - _ - - - -� 5�"� _ _ - _
/ / / / / /� \ \/ / ��' �'' STREAM \ - - - - -i -��
2 WORKING DAYS PRIOR TO BEGINNING GRADING OR TRENCHING. / / / / / / / / / / / J"/ /�� /// / / i� % • � � - - - - /- 009- - - - - _- _ / ��
NORTH CAROLINA GENERAL STATUTE 87-102 \ \ \ / \ /// \/ � C - - _ - -_-- -� ' -
( IN FEET ) �/ / z,5�\/ ////�/ / i�/��i�i� / // / \/\/ A� I I .. -�____ ----- \�\ l \----_-- � ��__ ,���- C-
1 inch = 60 ft. -
/
17-002 Project Name (10/17/2019)
Existing
Proposed
Gross Land Area (GLA):
1,818,140
1,818,140
Project Area: (GLA-surface water)
1,599,584
1,599,584
Impervious Area (site)
Roof
992
0
Roadway
0
50,518
Parking / Driveway
9,212
2,581
Sidewalk
0
180
Impervious Area (lots 1-32)
Roof
each lot =
2,000
Driveway
each lot =
1,000
Sidewalk, patio & hard.-apeeach
lot =
500
Lot allowance
each lot =
1,000
Impervious per lot
each lot =
4,500
Total impervious for all lots
32 lots =
144,000
Impervious Area (lot 33)
Driveway
16,092
Future Roadway
20,000
Future Development
60,408
Total Lot 33 Build Out
96,500
Pervious Area
Landscaping / Other Pervious
1,589,380
1,305,805
Surface Water
218,556
218,556
Protected Forest
0
0
Other Areas
Custom Land Cover
0
0
Land Taken Up by SCM
0
0
Total All Areas:
1,818,140
1,818,140
Total Impervious Area:
10,204
293,779
Total Impervious % of GLA
0.56%
16.16%
Total Impervious % of Project Area
0.64%
18.37%
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: V=60'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
�%(�"W),(�§)�
PRELIMINARY SUBDIVISION PLAN
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COORDINATE WITH
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PROPOSED 8"
PVC PUBLIC
WATER MAIN
EXTENSION
TERMINATION POINT OF EXISTING 8" /
ORANGE-ALAMANCE PUBLIC WATER MAIN (PER
ORANGE-ALAMANCE). FIELD VERIFY PRIOR
TO START OF CONSTRUCTION.
CALL BEFORE YOU DIG... IT'S THE LAW.
CALL N.C. ONE-CALL(1-800-632-4949)
FOR LOCATION OF UNDERGROUND UTILITIES AT LEAST
2 WORKING DAYS PRIOR TO BEGINNING GRADING OR TRENCHING.
NORTH CAROLINA GENERAL STATUTE 87-102
80
UTILITY PLAN NOTES
1. LOTS TO BE PUBLIC WATER AND
INDIVIDUAL SEPTIC SYSTEMS.
2. ALL HOMES TO BE CONSTRUCTED
WITH SPRINKLER SYSTEM DUE TO
LOW FIRE FLOWS.
BORE AND JACK USING
16" ENCASEMENT PIPE
8"X8" TEE
3x8" GATE VALVE
BORE AND AREA OF DISTURBANCE
16" ENCASE 295,504 SF OR 6.78 AC /
v►
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3x8" GATE VALVE
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6" LEG AND VALVE v
/ 8"X6" HYDRANT TEE /
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PUBLIC WATER MAIN �
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FIRE HYDRANT ASSEMBLY
6" LEG AND VALVE
8' X6" REDUCER
GRAPHIC SCALE
40 80 160
( IN FEET )
1 inch = 80 ft.
FIRE HYDRANT ASSEMBLY 3 8"X8" TEE
6" LEG AND VALVE / 3x8" GATE VALVE
8"X6" HYDRANT TEE
PUBLIC
STORM EASEMENT \ /
10' OFF SYSTEM, y
TYPICAL
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BEYOND TEE AND FUTURE 8" PVC /
VALVE. CAP WATER MAIN + + +
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>> J \ \ 1�1\\ \ (10' OFF SYSTEM) / +
_ STREAM
— ------ i ° j / BUFFER
I
PRIVATE
STORM EASEMENT
(10' OFF SYSTEM)
FIRE HYDRANT ASSEMBLY
HATCHED AREAS
6" LEG AND VALVE
8"X6" HYDRANT TEE SOILSINDICATE S SEPTIC
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SOILS FOR SEPTIC
8" GATE VALVE
a� 8" PVC PUBLIC+ + + /+/ / /•�
:ss WATER MAIN +
Igx�o � •�
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\ FIRE HYDRANT ASSEMBLY + /
6" LEG AND VALVE
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401
/ ••• /
.000
.41
� fir.: \•:,•.'._•• '
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I
THERE ARE NO WETLANDS
LOCATED ON SITE AS DETERMINED
BY PILOT ENVIRONMENTAL INC. ON
AUGUST 26, 2019 AND ACCEPTED
320 BY NCDEQ ON SEPTEMBER 20,2019
i
r
STREAM
BUFFER
+
PROJECT INFORMATION:
OWNER/DEVELOPER:
ROBERT M. BRAME
2863 SOUTH JIM MINOR RD
MEBANE, NC 27302
PROPERTIES INCLUDED IN PROJECT:
2679 JIM MINOR ROAD
2689 JIM MINOR ROAD
PIN# 9802-59-3969
PIN# 9802-59-3974
PARCEL ID# 170308
PARCEL ID# 170309
TAX ID# 9-13-183
TAX ID# 9-13-184
2.8 ACRES
3.3 ACRES
2863 JIM MINOR ROAD
2817 JIM MINOR ROAD
PIN# 9802-59-5721
PIN# 9802-59-4690
PARCEL ID# 170310
PARCEL ID# 159117
TAX ID# 9-13-185
TAX ID# 9-13-5
1.68 ACRES
14.25 ACRES
CULBERSON LN
S JIM MINOR ROAD
PIN# 9802-58-4657
PIN# 9802-58-9583
PARCEL ID# 159114
PARCEL ID# 159116
TAX ID# 9-13-4A
TAX ID# 9-13-4
6.01 ACRES
13.71 ACRES
TOWNSHIP 9: THOMPSON
DEED/PLAT REFERENCES:
DB: 2823 PG: 0093 PB:
073 PG: 0293
DB: 3239 PG: 0957
DB: 2487 PG: 215 PB:
073 PG: 0293
SOILS:
CnB2, CnC2, CnD2, CnE2 =
CULLEN CLAY LOAM = GROUP C
RvA = RIVERVIEW LOAM =
HYDROLOGIC GROUP B
WtB = WYNOTT-ENON COMPLEX = HYDROLOGIC GROUP C
FEMA MAP #3710980200 K, EFFECTIVE 11/17/2017
FLOOD HAZARDS PRESENT
TOTAL ACREAGE: 41.74 ACRES BY SURVEY
TOTAL # PROPOSED LOTS: 33
LOTS
AVERAGE LOT SIZE: 0.49 ACRES
(NOT INCLUDING LOT #33)
TOTAL OPEN SPACE: 530,223
SF OR 12.17 ACRES
WINDING CREEK TRAIL: 316.09
LF
FOREST CREEK LANE: 1,186.86 LF
PATTON MILL LANE (PRIVATE):
1,271.77 LF
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: 1"=80'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
C C)
O 0
PRELIMINARY SUBDIVISION PLAN
:\17-002\17-002 Drawings\__Working\17-002 Working.dwg, C6.0 - Utility Plan, 2/6/2020 8:53:41 AM

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HORIZONTAL SCALE: 1"=40'
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PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
GRAPHIC SCALE SHEET NO.
40 0 20 40 80 160
1 00
( IN FEET)
1 inch = 40 ft.
PRELIMINARY SUBDIVISION PLAN
P:\17-002\17-002 Drawings\--Working\17-002 Working.dwg, P1.0 - Winding Crk. P&P, 2/6/2020 8:53:45 AM

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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: 1"=40'
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: CPK
PROJECT NO: 17-002
DRAWING NAME: 17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
P 2
a
0
PRELIMINARY SUBDIVISION PLAN
:\17-002\17-002 Drawings\__Working\17-002 Working.dwg, P2.0 - Forest Crk. P&P, 2/6/2020 8:53:53 AM

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DATE:
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HORIZONTAL SCALE:
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VERTICAL SCALE:
1" = 4'
PROJECT MANAGER:
CPK
DRAWN BY:
CPK
PROJECT NO:
17-002
DRAWING NAME:
17-002 WORKING
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE
INFORMATION ON
USE ON ANY OTHER
THIS
SITE
DRAWING IS NOT FOR
OR PROJECT. THE
REPRODUCTION OR OTHER
DRAWING IN WHOLE OR
USE OF THIS
IN PART, WITHOUT
WRITTEN
CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
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PRELIMINARY SUBDIVISION PLAN
�17-002\17-002 Drawings\__Working\17-002 Working.dwg, P3.0 - Offsite Water P&P, 2/6/2020 8:54:01 AM

FANULL lu#J I /UJU0, I /UJU'J, I /U,S I U, 1 5y I 1 4, 15y1 1 b, 1 5y11 /
GROUND STABILIZATION AND MATERIALS HANDLING PRACTICES FOR COMPLIANCE WITH
THE NCGO1 CONSTRUCTION GENERAL PERMIT
Implementing the details and specifications on this plan sheet will result in the construction
activity being considered compliant with the Ground Stabilization and Materials Handling
sections of the NCGO1 Construction General Permit (Sections E and F, respectively). The
permittee shall comply with the Erosion and Sediment Control plan approved by the
delegated authority having jurisdiction. All details and specifications shown on this sheet
may not apply depending on site conditions and the delegated authority having jurisdiction.
SECTION E: GROUND STABILIZATION
Required Ground Stabilization Timeframes
Stabilize within this
Site Area Description
many calendar
Timeframe variations
days after ceasing
land disturbance
(a) Perimeter dikes,
swales, ditches, and
7
None
perimeter slopes
(b) High Quality Water
7
None
(HQW) Zones
(c) Slopes steeper than
If slopes are 10' or less in length and are
3:1
7
not steeper than 2:1, 14 days are
allowed
-7 days for slopes greater than 50' in
length and with slopes steeper than 4:1
-7 days for perimeter dikes, swales,
(d) Slopes 3:1 to 4:1
14
ditches, perimeter slopes and HQW
Zones
-10 days for Falls Lake Watershed
-7 days for perimeter dikes, swales,
(e) Areas with slopes
ditches, perimeter slopes and HQW Zones
flatter than 4:1
14
-10 days for Falls Lake Watershed unless
there is zero slope
Note: After the permanent cessation of construction activities, any areas with temporary
ground stabilization shall be converted to permanent ground stabilization as soon as
practicable but in no case longer than 90 calendar days after the last land disturbing
activity. Temporary ground stabilization shall be maintained in a manner to render the
surface stable against accelerated erosion until permanent ground stabilization is achieved.
GROUND STABILIZATION SPECIFICATION
Stabilize the ground sufficiently so that rain will not dislodge the soil. Use one of the
techniques in the table below:
Temporary Stabilization
• Temporary grass seed covered with straw or
other mulches and tackifiers
• Hydroseeding
• Rolled erosion control products with or
without temporary grass seed
• Appropriately applied straw or other mulch
• Plastic Sheeting
Permanent Stabilization
• Permanent grass seed covered with straw or
other mulches and tackifiers
• Geotextile fabrics such as permanent soil
reinforcement matting
• Hydroseeding
• Shrubs or other permanent plantings covered
with mulch
• Uniform and evenly distributed ground cover
sufficient to restrain erosion
• Structural methods such as concrete, asphalt or
retaining walls
• Rolled erosion control products with grass seed
POLYACRYLAMIDES (PAMS) AND FLOCCULANTS
1. Select flocculants that are appropriate for the soils being exposed during
construction, selecting from the NC DWR List of Approved PAMS/Flocculants.
2. Apply flocculants at or before the inlets to Erosion and Sediment Control Measures.
3. Apply flocculants at the concentrations specified in the NC DWR List of Approved
PAMS/Flocculants and in accordance with the manufacturer's instructions.
4. Provide ponding area for containment of treated Stormwater before discharging
offsite.
5. Store flocculants in leak -proof containers that are kept under storm -resistant cover
or surrounded by secondary containment structures.
EQUIPMENT AND VEHICLE MAINTENANCE
1. Maintain vehicles and equipment to prevent discharge of fluids.
2. Provide drip pans under any stored equipment.
3. Identify leaks and repair as soon as feasible, or remove leaking equipment from the
project.
4. Collect all spent fluids, store in separate containers and properly dispose as
hazardous waste (recycle when possible).
5. Remove leaking vehicles and construction equipment from service until the problem
has been corrected.
6. Bring used fuels, lubricants, coolants, hydraulic fluids and other petroleum products
to a recycling or disposal center that handles these materials.
LITTER, BUILDING MATERIAL AND LAND CLEARING WASTE
1. Never bury or burn waste. Place litter and debris in approved waste containers.
2. Provide a sufficient number and size of waste containers (e.g dumpster, trash
receptacle) on site to contain construction and domestic wastes.
3. Locate waste containers at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
4. Locate waste containers on areas that do not receive substantial amounts of runoff
from upland areas and does not drain directly to a storm drain, stream or wetland.
5. Cover waste containers at the end of each workday and before storm events or
provide secondary containment. Repair or replace damaged waste containers.
6. Anchor all lightweight items in waste containers during times of high winds.
7. Empty waste containers as needed to prevent overflow. Clean up immediately if
containers overflow.
8. Dispose waste off -site at an approved disposal facility.
9. On business days, clean up and dispose of waste in designated waste containers.
PAINT AND OTHER LIQUID WASTE
1. Do not dump paint and other liquid waste into storm drains, streams or wetlands.
2. Locate paint washouts at least 50 feet away from storm drain inlets and surface
waters unless no other alternatives are reasonably available.
3. Contain liquid wastes in a controlled area.
4. Containment must be labeled, sized and placed appropriately for the needs of site.
5. Prevent the discharge of soaps, solvents, detergents and other liquid wastes from
construction sites.
PORTABLE TOILETS
1. Install portable toilets on level ground, at least 50 feet away from storm drains,
streams or wetlands unless there is no alternative reasonably available. If 50 foot
offset is not attainable, provide relocation of portable toilet behind silt fence or place
on a gravel pad and surround with sand bags.
2. Provide staking or anchoring of portable toilets during periods of high winds or in high
foot traffic areas.
3. Monitor portable toilets for leaking and properly dispose of any leaked material.
Utilize a licensed sanitary waste hauler to remove leaking portable toilets and replace
with properly operating unit.
EARTHEN STOCKPILE MANAGEMENT
1. Show stockpile locations on plans. Locate earthen -material stockpile areas at least
50 feet away from storm drain inlets, sediment basins, perimeter sediment controls
and surface waters unless it can be shown no other alternatives are reasonably
available.
2. Protect stockpile with silt fence installed along toe of slope with a minimum offset of
five feet from the toe of stockpile.
3. Provide stable stone access point when feasible.
4. Stabilize stockpile within the timeframes provided on this sheet and in accordance
with the approved plan and any additional requirements. Soil stabilization is defined
as vegetative, physical or chemical coverage techniques that will restrain accelerated
erosion on disturbed soils for temporary or permanent control needs.
ONSITE CONCRETE WASHOUT
STRUCTURE WITH LINER
SANDBAGS (TYP.)
OR STAPLES
10 MIL
SILT FENCE SIDE SLOP LINING C SANDBAGS (TYP.)
(TYP.
OR STAPLES
O X J<
HIGH �
COHESIVE Sc
LOW FILTRATION
SOIL BERM
CLEARLY MARKED SIGNAGE SECTION A -A
CONCRETE NOTING DEVICE (18"X24" MIN.) NOTES:
WASHOUT 1. ACTUAL LOCATION DETERMINED IN FIELD
2. THE CONCRETE WASHOUT STRUCTURES SHALL
BE MAINTAINED WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES CAPACITY.
PLAN 3.CONCRETE WASHOUT STRUCTURE NEEDS TO BE
CLEARY MARKED WITH SIGNAGE NOTING DEVICE.
BELOW GRADE WASHOUT STRUCTURE
NOT TO SCALE
10'
MIN SANDBAGS (TYP.)
B OR STAPLES
10 MIL HIGH
O 0 PLASTIC LINING LOHESIVE FILTRATION
0 �1TYP) E SLOP SOIL BERM
o
SECTION B-B
SANDBAGS (TYP.)
OR STAPLES
NOTES:
1. ACTUAL LOCATION DETERMINED IN
FIELD
CLEARLY MARKED SIGNAGE
CONCRETE
NOTING DEVICE (18"X24" MIN.)
2. THE CONCRETE WASHOUT
WASHOUT
STRUCTURES SHALL BE MAINTAINED
WHEN THE LIQUID AND/OR SOLID
REACHES 75% OF THE STRUCTURES
CAPACITY TO PROVIDE ADEQUATE
HOLDING CAPACITY WITH A MINIMUM 12
PLAN
INCHES OF FREEBOARD.
3.CONCRETE WASHOUT STRUCTURE
NEEDS TO BE CLEARY MARKED WITH
SIGNAGE NOTING DEVICE.
ABOVE GRADE WASHOUT
STRUCTURE
NOT TO SCALE
CONCRETE WASHOUTS
1. Do not discharge concrete or cement slurry from the site.
2. Dispose of, or recycle settled, hardened concrete residue in accordance with local
and state solid waste regulations and at an approved facility.
3. Manage washout from mortar mixers in accordance with the above item and in
addition place the mixer and associated materials on impervious barrier and within
lot perimeter silt fence.
4. Install temporary concrete washouts per local requirements, where applicable. If an
alternate method or product is to be used, contact your approval authority for
review and approval. If local standard details are not available, use one of the two
types of temporary concrete washouts provided on this detail.
5. Do not use concrete washouts for dewatering or storing defective curb or sidewalk
sections. Stormwater accumulated within the washout may not be pumped into or
discharged to the storm drain system or receiving surface waters. Liquid waste must
be pumped out and removed from project.
6. Locate washouts at least 50 feet from storm drain inlets and surface waters unless it
can be shown that no other alternatives are reasonably available. At a minimum,
install protection of storm drain inlet(s) closest to the washout which could receive
spills or overflow.
7. Locate washouts in an easily accessible area, on level ground and install a stone
entrance pad in front of the washout. Additional controls may be required by the
approving authority.
8. Install at least one sign directing concrete trucks to the washout within the project
limits. Post signage on the washout itself to identify this location.
9. Remove leavings from the washout when at approximately 75% capacity to limit
overflow events. Replace the tarp, sand bags or other temporary structural
components when no longer functional. When utilizing alternative or proprietary
products, follow manufacturer's instructions.
10. At the completion of the concrete work, remove remaining leavings and dispose of
in an approved disposal facility. Fill pit, if applicable, and stabilize any disturbance
caused by removal of washout.
HERBICIDES, PESTICIDES AND RODENTICIDES
1. Store and apply herbicides, pesticides and rodenticides in accordance with label
restrictions.
2. Store herbicides, pesticides and rodenticides in their original containers with the
label, which lists directions for use, ingredients and first aid steps in case of
accidental poisoning.
3. Do not store herbicides, pesticides and rodenticides in areas where flooding is
possible or where they may spill or leak into wells, stormwater drains, ground water
or surface water. If a spill occurs, clean area immediately.
4. Do not stockpile these materials onsite.
HAZARDOUS AND TOXIC WASTE
1. Create designated hazardous waste collection areas on -site.
2. Place hazardous waste containers under cover or in secondary containment.
3. Do not store hazardous chemicals, drums or bagged materials directly on the ground.
NCGO1 GROUND STABILIZATION AND MATERIALS HANDLING
EFFECTIVE: 04/01/19
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DATE:
AUGUST 29, 2018
HORIZONTAL SCALE:
N/A
VERTICAL SCALE:
N/A
PROJECT MANAGER:
CPK
DRAWN BY:
SCS
PROJECT NO:
17-002
DRAWING NAME:
17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
rlx)� W,(� §)�
P:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D1.0 NCGO1 Details, 2/6/2020 8:54:08 AM
PRELIMINARY SUBDIVISION PLAN

FANULL IU#J I /UJU0, I /UJU'J, I /U,S I U, 1 5y I 1 4, 15y1 1 b, 1 5y11 /
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION A: SELF -INSPECTION
Self -inspections are required during normal business hours in accordance with the table
below. When adverse weather or site conditions would cause the safety of the inspection
personnel to be in jeopardy, the inspection may be delayed until the next business day on
which it is safe to perform the inspection. In addition, when a storm event of equal to or
greater than 1.0 inch occurs outside of normal business hours, the self -inspection shall be
performed upon the commencement of the next business day. Anytime when inspections
were delayed shall be noted in the Inspection Record.
Frequency
Inspect
(during normal
Inspection records must include:
business hours)
(1) Rain gauge
Daily
Daily rainfall amounts.
maintained in
If no daily rain gauge observations are made during weekend or
good working
holiday periods, and no individual -day rainfall information is
order
available, record the cumulative rain measurement for those un-
attended days (and this will determine if a site inspection is
needed). Days on which no rainfall occurred shall be recorded as
"zero." The permittee may use another rain -monitoring device
approved by the Division.
(2) E&SC
At least once per
1. Identification of the measures inspected,
Measures
7 calendar days
2. Date and time of the inspection,
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Indication of whether the measures were operating
event > 1.0 inch in
properly,
24 hours
5. Description of maintenance needs for the measure,
6. Description, evidence, and date of corrective actions taken.
(3) Stormwater
At least once per
1. Identification of the discharge outfalls inspected,
discharge
7 calendar days
2. Date and time of the inspection,
outfalls (SDOs)
and within 24
3. Name of the person performing the inspection,
hours of a rain
4. Evidence of indicators of stormwater pollution such as oil
event > 1.0 inch in
sheen, floating or suspended solids or discoloration,
24 hours
5. Indication of visible sediment leaving the site,
6. Description, evidence, and date of corrective actions taken.
(4) Perimeter of
At least once per
If visible sedimentation is found outside site limits, then a record
site
7 calendar days
of the following shall be made:
and within 24
1. Actions taken to clean up or stabilize the sediment that has left
hours of a rain
the site limits,
event > 1.0 inch in
2. Description, evidence, and date of corrective actions taken, and
24 hours
3. An explanation as to the actions taken to control future
releases.
(5) Streams or
At least once per
If the stream or wetland has increased visible sedimentation or a
wetlands onsite
7 calendar days
stream has visible increased turbidity from the construction
or offsite
and within 24
activity, then a record of the following shall be made:
(where
hours of a rain
1. Description, evidence and date of corrective actions taken, and
accessible)
event > 1.0 inch in
2. Records of the required reports to the appropriate Division
24 hours
Regional Office per Part III, Section C, Item (2)(a) of this permit
of this permit.
(6) Ground
After each phase
1. The phase of grading (installation of perimeter E&SC
stabilization
of grading
measures, clearing and grubbing, installation of storm
measures
drainage facilities, completion of all land -disturbing
activity, construction or redevelopment, permanent
ground cover).
2. Documentation that the required ground stabilization
measures have been provided within the required
timeframe or an assurance that they will be provided as
soon as possible.
NOTE: The rain inspection resets the required 7 calendar day inspection requirement.
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION 6: RECORDKEEPING
1. E&SC Plan Documentation
The approved E&SC plan as well as any approved deviation shall be kept on the site. The
approved E&SC plan must be kept up-to-date throughout the coverage under this permit.
The following items pertaining to the E&SC plan shall be documented in the manner
described:
Item to Document
Documentation Requirements
(a) Each E&SC Measure has been installed
Initial and date each E&SC Measure on a copy
and does not significantly deviate from the
of the approved E&SC Plan or complete, date
locations, dimensions and relative elevations
and sign an inspection report that lists each
shown on the approved E&SC Plan.
E&SC Measure shown on the approved E&SC
Plan. This documentation is required upon the
initial installation of the E&SC Measures or if
the E&SC Measures are modified after initial
installation.
(b) A phase of grading has been completed.
Initial and date a copy of the approved E&SC
Plan or complete, date and sign an inspection
report to indicate completion of the
construction phase.
(c) Ground cover is located and installed
Initial and date a copy of the approved E&SC
in accordance with the approved E&SC
Plan or complete, date and sign an inspection
Plan.
report to indicate compliance with approved
ground cover specifications.
(d) The maintenance and repair
Complete, date and sign an inspection report.
requirements for all E&SC Measures
have been performed.
(e) Corrective actions have been taken
Initial and date a copy of the approved E&SC
to E&SC Measures.
Plan or complete, date and sign an inspection
report to indicate the completion of the
corrective action.
2. Additional Documentation
In addition to the E&SC Plan documents above, the following items shall be kept on the
site
and available for agency inspectors at all times during normal business hours, unless the
Division provides a site -specific exemption based on unique site conditions that make this
requirement not practical:
(a) This general permit as well as the certificate of coverage, after it is received.
(b) Records of inspections made during the previous 30 days. The permittee shall record
the required observations on the Inspection Record Form provided by the Division or
a similar inspection form that includes all the required elements. Use of
electronically -available records in lieu of the required paper copies will be allowed if
shown to provide equal access and utility as the hard -copy records.
(c) All data used to complete the Notice of Intent and older inspection records shall be
maintained for a period of three years after project completion and made available
upon request. [40 CFR 122.41]
PART III
SELF -INSPECTION, RECORDKEEPING AND REPORTING
SECTION C: REPORTING
1. Occurrences that must be reported
Permittees shall report the following occurrences:
(a) Visible sediment deposition in a stream or wetland.
(b) Oil spills if:
• They are 25 gallons or more,
• They are less than 25 gallons but cannot be cleaned up within 24 hours,
• They cause sheen on surface waters (regardless of volume), or
• They are within 100 feet of surface waters (regardless of volume).
(a) Releases of hazardous substances in excess of reportable quantities under Section 311
of the Clean Water Act (Ref: 40 CFR 110.3 and 40 CFR 117.3) or Section 102 of CERCLA
(Ref: 40 CFR 302.4) or G.S. 143-215.85.
(b) Anticipated bypasses and unanticipated bypasses.
(c) Noncompliance with the conditions of this permit that may endanger health or the
environment.
2. Reporting Timeframes and Other Requirements
After a permittee becomes aware of an occurrence that must be reported, he shall contact
the appropriate Division regional office within the timeframes and in accordance with the
other requirements listed below. Occurrences outside normal business hours may also be
reported to the Division's Emergency Response personnel at [phone], (800)
858-0368 or [phone].
Occurrence
Reporting Timeframes (After Discovery) and Other Requirements
(a) Visible sediment
•
Within 24 hours, an oral or electronic notification.
deposition in a
.
Within 7 calendar days, a report that contains a description of the
stream or wetland
sediment and actions taken to address the cause of the deposition.
Division staff may waive the requirement for a written report on a
case -by -case basis.
•
If the stream is named on the NC 303(d) list as impaired for sediment -
related causes, the permittee may be required to perform additional
monitoring, inspections or apply more stringent practices if staff
determine that additional requirements are needed to assure compliance
with the federal or state impaired -waters conditions.
(b) Oil spills and
•
Within 24 hours, an oral or electronic notification. The notification
release of
shall include information about the date, time, nature, volume and
hazardous
location of the spill or release.
substances per Item
1(b)-(c) above
(c) Anticipated
•
A report at least ten days before the date of the bypass, if possible.
bypasses [40 CFR
The report shall include an evaluation of the anticipated quality and
122.41(m)(3)]
effect of the bypass.
(d) Unanticipated
•
Within 24 hours, an oral or electronic notification.
bypasses [40 CFR
e
Within 7 calendar days, a report that includes an evaluation of the
122.41(m)(3)]
quality and effect of the bypass.
(e) Noncompliance
•
Within 24 hours, an oral or electronic notification.
with the conditions
•
Within 7 calendar days, a report that contains a description of the
of this permit that
noncompliance, and its causes; the period of noncompliance,
may endanger
including exact dates and times, and if the noncompliance has not
health or the
been corrected, the anticipated time noncompliance is expected to
environment[40
continue; and steps taken or planned to reduce, eliminate, and
CFR 122.41(I)(7)]
prevent reoccurrence of the noncompliance. [40 CFR 122.41(I)(6).
•
Division staff may waive the requirement for a written report on a
case -by -case basis.
NCGO I SELF -INSPECTION, RECORDKEEPING AND REPORTING
EFFECTIVE: 04/01/19
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DATE:
AUGUST 29, 2018
HORIZONTAL SCALE:
N/A
VERTICAL SCALE:
N/A
PROJECT MANAGER:
CPK
DRAWN BY:
SCS
PROJECT NO:
17-002
DRAWING NAME:
17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
P:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D1.1 NCGO1 Details, 2/6/2020 8:54:12 AM
PRELIMINARY SUBDIVISION PLAN

F-AKI;tL IU#J I /UJU0, I /UJU'J, I /U,S I U, 1 5y I 1 4, 15y1 1 b, 1 5y11 /
COIR FIBER WATTLE
\V
MATTI
2' ( MAX . )
COIR FIBER WATTLE DETAIL
P Pv%
e Inset A
BACK \
SLOPE
ISOMETRIC VIEW
2' UPSLOPE
STAKE
NOTES:
USE MINIMUM 12 IN. DIAMETER COIR FIBER (COCONUT FIBER) WATTLE.
USE 2 FT. WOODEN STAKES WITH A 2 IN. BY 2 IN. NOMINAL
CROSS SECTION.
ONLY INSTALL WATTLE(S) TO A HEIGHT IN DITCH SO FLOW WILL NOT
WASH AROUND WATTLE AND SCOUR DITCH SLOPES AND AS DIRECTED.
EDGE OF PAVEMENT INSTALL A MINIMUM OF 2 UPSLOPE STAKES AND 4 DOWNSLOPE
STAKES AT AN ANGLE TO WEDGE WATTLE TO BOTTOM OF DITCH.
PROVIDE STAPLES MADE OF 0.125 IN. DIAMETER STEEL WIRE
FORMED INTO A U SHAPE NOT LESS THAN 12" IN LENGTH.
INSTALL STAPLES APPROXIMATELY EVERY 1 LINEAR FOOT ON
BOTH SIDES OF WATTLE AND AT EACH END TO SECURE IT TO THE SOIL.
INSTALL MATTING IN ACCORDANCE WITH SECTION 1631 OF THE
STANDARD SPECIFICATIONS.
MATTING 7��`�V2' DOWNSLOPE
STAKE
CROSS SECTION
VEE DITCH
2 IN.
TURAL GROUND
2' UPSLOPE FLOW --
STAKE NATURAL GROUND
�1/�2 2> 22 ,• � �
MATTING - 2' DOWNSLOPE
CROSS SECTION STAKE
TRAPEZOIDAL DITCH
CONSTRUCTION SPECIFICATIONS:
1. REMOVE AND PROPERLY DISPOSE OF ALL TREES, BRUSH, STUMPS, AND OTHER
OBJECTIONABLE MATERIAL.
2. ENSURE THAT THE MINIMUM CONSTRUCTED CROSS SECTION MEETS ALL DESIGN
REQUIREMENTS.
3. ENSURE THAT THE TOP OF THE DIKE IS NOT LOWER AT ANY POINT THAN THE DESIGN
ELEVATION PLUS THE SPECIFIED SETTLEMENTS.
4. PROVIDE SUFFICIENT ROOM AROUND DIVERSIONS TO PERMIT MACHINE RE -GRADING AND
CLEANOUT.
5. VEGETATE THE RIDGE IMMEDIATELY AFTER CONSTRUCTION, UNLESS IT WILL REMAIN IN
PLACE LESS THAN 30 WORKING DAYS. INSPECT TEMPORARY DIVERSIONS ONCE A WEEK
AND AFTER EVERY RAINFALL.
MAINTENANCE:
IMMEDIATELY REMOVE SEDIMENT FROM THE FLOW AREA AND REPAIR THE DIVERSION RIDGE.
CAREFULLY CHECK OUTLETS AND MAKE TIMELY REPAIRS AS NEEDED. WHEN THE AREA
PROTECTED IS PERMANENTLY STABILIZED, REMOVE THE RIDGE AND THE CHANNEL TO BLEND
WITH THE NATURAL GROUND LEVEL AND APPROPRIATELY STABILIZE IT.
2' MIN.
COMPACTED SOIL~I
18" MIN
6' TYPICAL
TEMPORARY DIVERSION DITCH
NTS
INSET A INSET B
TOP VIEW
12' MINIMUM
CONSTRUCTION ENTRANCE/EXIT
CONSTRUCTION SPECIFICATIONS:
1.) CLEAR THE ENTRANCE AND EXIT AREA OF ALL VEGETATION, ROOTS, AND
OTHER OBJECTIONABLE MATERIAL AND PROPERLY GRADE IT.
2.) PLACE THE GRAVEL TO THE SPECIFIC GRADE AND DIMENSIONS SHOWN ON THE
PLANS, AND SMOOTH IT.
3.) PROVIDE DRAINAGE TO CARRY WATER TO A SEDIMENT TRAP OR OTHER
SUITABLE OUTLET.
4.) USE GEOTEXTILE FABRICS BECAUSE THEY IMPROVE THE STABILITY OF THE
FOUNDATION IN LOCATIONS SUBJECT TO SEEPAGE OR HIGH WATER TABLE.
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM
LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPDRESSING
WITH 2-INCH STONE. AFTER EACH RAINFALL, INSPECT ANY STRUCTURE USED TO
TRAP SEDIMENT AND CLEAN IT OUT AS NECESSARY. IMMEDIATELY REMOVE ALL
OBJECTIONABLE MATERIALS SPILLED, WASHED, OR TRACKED ONTO PUBLIC
ROADWAYS.
8' MAX. STANDARD STRENGTH FABRIC WITH WIRE FENCE
6' MAX. EXTRA STRENGTH FABRIC WITHOUT WIRE FENCE
STEEL POST
18- 24"-
WIRE FENCE{
24"'
STEEL POST
NATURAL
GROUND
24"
8" DOWN & 4" FORWARD
ALONG THE TRENCH
WIRE FENCE
FILTER FABRIC
BACKFILL TRENCH
AND COMPACT
THOROUGHLY
UPS
8" MIN.
--� 4" MIN.
PLASTIC OR
WIRE TIES
NATURAL GROUND
FILTER FABRIC
NATURAL
GROUND
CONSTRUCTION SPECIFICATIONS: U
MATERIALS
1. USE A SYNTHETIC FILTER FABRIC OF AT LEAST 95% BY WEIGHT OF POLYOLEFIN OR POLYESTER, WHICH IS CERTIFIED BY THE MANUFACTURER OR
SUPPLIER AS CONFIRMING TO THE REQUIREMENTS IN ASTM D 6461, WHICH IS SHOWN IN PART IN TABLE 6.62B OF THE EROSION AND SEDIMENT
CONTROL PLANNING AND DESIGN MANUAL PUBLISHED BY NC DEQ_
SYNTHETIC FILTER FABRIC SHOULD CONTAIN ULTRA VIOLET RAY INHIBITORS AND STABILIZERS TO PROVIDE A MINIMUM OF 6 MONTHS OR EXPECTED
USABLE CONSTRUCTION LIFE AT A TEMPERATURE RANGE OF 0 TO 120° F.
2. ENSURE THAT POSTS FOR SEDIMENT FENCES ARE 1.25 LB/LINEAR FT MINIMUM STEEL WITH A MINIMUM LENGTH OF 5'. MAKE SURE THAT STEEL POSTS
HAVE PROJECTIONS TO FACILITATE FASTENING THE FABRIC.
3. FOR REINFORCEMENT OF STANDARD STRENGTH FILTER FABRIC, USE WIRE FENCE WITH A MINIMUM 14 GAUGE AND A MAXIMUM MESH SPACING OR 6
INCHES.
CONSTRUCTION
1. CONSTRUCT THE SEDIMENT BARRIER OF STANDARD STRENGTH OR EXTRA STRENGTH SYNTHETIC FILTER FABRICS.
2. ENSURE THAT THE HEIGHT OF THE SEDIMENT FENCE DOES NOT EXCEED 24 INCHES ABOVE THE GROUND SURFACE. (HIGHER FENCES MAY IMPOUND
VOLUMES OF WATER SUFFICIENT TO CAUSE FAILURE OF THE STRUCTURE.)
3. CONSTRUCT THE FILTER FABRIC FROM A CONTINUOUS ROLL CUT THE LENGTH OF THE BARRIER TO AVOID JOINTS. WHEN JOINTS ARE NECESSARY,
SECURELY FASTEN THE FILTER CLOTH ONLY AT A SUPPORT POST WITH 4 FEET MINIMUM OVERLAP TO THE NEXT POST.
4. SUPPORT STANDARD STRENGTH FILTER FABRIC BY WIRE MESH FASTENED SECURELY TO THE UPSLOPE SIDE OF THE POSTS. EXTEND THE WIRE MESH
SUPPORT TO THE BOTTOM OF THE TRENCH. FASTEN THE WIRE REINFORCEMENT, THEN FABRIC ON THE UPSLOPE SIDE OF THE FENCE POST. WIRE OR
PLASTIC ZIP TIES SHOULD HAVE A MINIMUM 50 POUND TENSILE STRENGTH.
5. WHEN A WIRE MESH SUPPORT FENCE IS USED, SPACE POSTS A MAXIMUM OF 8 FEET APART. SUPPORT POSTS SHOULD BE DRIVEN SECURELY INTO THE
GROUND A MINIMUM OF 24 INCHES.
6. EXTRA STRENGTH FILTER FABRIC WITH 6 FT POST SPACING DOES NOT REQUIRE WIRE MESH SUPPORT FENCE. SECURELY FASTEN THE FILTER FABRIC
DIRECTLY TO POSTS. WIRE OR PLASTIC ZIP TIES SHOULD HAVE A MINIMUM 50 POUND TENSILE STRENGTH.
7. EXCAVATE A TRENCH APPROXIMATELY 4 INCHES WIDE AND 8 INCHES DEEP ALONG THE PROPOSED LINE OF POSTS AND UPSLOPE FROM THE BARRIER.
8. PLACE 12 INCHES OF THE FABRIC ALONG THE BOTTOM AND SIDE OF THE TRENCH.
9. BACKFILL THE TRENCH WITH SOIL PLACED OVER THE FILTER FABRIC AND COMPACT. THROUGH COMPACTION OF THE BACKFILL IS CRITICAL TO SILT
FENCE PERFORMANCE.
10. DO NOT ATTACH FILTER FABRIC TO EXISTING TREES.
MAINTENANCE:
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REQUIRED REPAIRS IMMEDIATELY.
SHOULD THE FABRIC OF A SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR BECOME INEFFECTIVE, REPLACE IT PROMPTLY.
REMOVE SEDIMENT DEPOSITS AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR THE NEXT RAIN AND TO REDUCE PRESSURE ON THE FENCE.
TAKE CARE TO AVOID UNDERMINING THE FENCE DURING CLEANOUT.
REMOVE ALL FENCING MATERIALS AND UNSTABLE SEDIMENT DEPOSITS AND BRING THE AREA TO GRADE AND STABILIZE IT AFTER THE CONTRIBUTING
DRAINAGE AREA HAS BEEN PROPERLY STABILIZED.
NOTE:
STRUCTURAL STONE SHALL BE
(CLASS "B") STONE FOR EROSION
CONTROL PURPOSES.
SEDIMENT CONTROL STONE SHALL
BE #5 OR #57 STONE
SILT FENCE
1'-6" MIN.
1 2 �� x
�OW
ENT
CONTROL-' LSTRUCTURAL
STONE STONE
CROSS SECTION
SILT FENCE DETAIL
NC DEQ FIGURE 6.62A / NTS
2'
TOP VIEW
SILT FENCE OUTLET
PROJECT INFORMATION
PROJECT DESCRIPTION
THE PURPOSE OF THE PROJECT IS TO CONSTRUCT A 33 LOT SINGLE-FAMILY HOME SUBDIVISION WITH ASSOCIATED
ROADWAYS AND UTILITIES. THE SITE IS LOCATED ON SOUTH JIM MINOR ROAD IN ALAMANCE COUNTY NORTH
CAROLINA AND CONSISTS OF 6 SEPARATE PARCELS. THEY CAN BE IDENTIFIED AS PARCEL ID#S 170308, 170309,
170310, 159117, 159114, AND 159116.
SITE DESCRIPTION
THE 6 PARCELS THAT MAKE UP THE PROJECT TOTAL 43.01 ACRES BY SURVEY. THE TOTAL AREA IS LARGELY
VACANT AND WOODED EXCEPT FOR A MOBILE HOME AND SHEDS WITH ASSOCIATED DRIVEWAY WHICH IS LOCATED
ON PARCEL ID# 159116. THERE IS A CLEARED 85' WIDE PSNC GAS PIPELINE EASEMENT ON THE NORTH SIDE OF
THE PROJECT AND A STREAM RUNNING ALONG THE WEST AND SOUTH SIDES OF THE PROJECT. THE STREAM TO
THE SOUTH HAS AN ASSOCIATED FEMA FLOOD PLAIN. NO DEVELOPMENT IS PLANED IN THE VICINITY OF THE
STREAM, STREAM BUFFER OR FLOOD PLAIN. THE SITE IS THE REAR HALF OF A PREVIOUSLY DEVELOPED 25.26
ACRE WAREHOUSE FACILITY. THE DEVELOPMENT SITE IS COVERED IN SCRUB PINE AND BRUSH WITH AN EAST WEST
RIDGELINE THAT SPLITS DRAINAGE ROUGHLY IN HALF AND DIRECTS RUNOFF TO THE NORTHERN PROPERTY LINES
AND SOUTHERN PROPERTY LINES. SLOPES VARY GREATLY ACROSS THE SITE WITH STEEPER SLOPES BEING NEAR
THE STREAM. THE SITE DRAINS TO THE SOUTH AND WEST TOWARD THE STREAM.
ADJACENT PROPERTY
NEIGHBORING PROPERTIES ARE ALL LARGER SIZE SINGLE FAMILY HOME LOTS OR LARGE UNDEVELOPED TRACTS OF
LAND.
NARRATIVE
PLANNED EROSION AND SEDIMENTATION CONTROL PRACTICES
1. SEDIMENT FENCE/ SILT FENCE OUTLETS
SEDIMENT FENCE WILL BE CONSTRUCTED ALONG THE DOWNSTREAM PERIMETER OF THE SITE. SILT FENCE
OUTLETS ARE PROVIDED AT THE LOW POINTS ALONG THE SEDIMENT FENCE LINE OR ARE POSITIONED WITH
SILT FENCE CUT-OFFS TO REDUCE FLOWS ALONG THE SILT FENCE.
2. TEMPORARY DIVERSIONS
TEMPORARY DIVERSIONS ARE PROVIDED ALONG THE EDGES OF FILL SLOPES TO DIRECT SEDIMENT LADEN
WATER TO THE SEDIMENT BASINS FOR FILTRATION AND TO PREVENT EROSION OF FILL SLOPES AND PREVENT
RUNOFF FROM ENTERING THE UNDERGROUND STORAGE CHAMBERS PRIOR TO STABILIZATION OF PARKING
FACILITIES.
3. INLET PROTECTION
INLET PROTECTION IS PROVIDED AT ALL ENTRANCES TO THE STORM SEWER SYSTEM TO PREVENT
SEDIMENTATION OF THE PROPOSED UNDERGROUND STORAGE PIPES.
4. CONSTRUCTION ENTRANCE/EXIT
A TEMPORARY CONSTRUCTION ENTRANCE/EXIT WILL BE CONSTRUCTED OFF OF SPRING FOREST DRIVE IN THE
LOCATION OF THE PERMANENT ENTRANCE.
5. RIP RAP APRON
PERMANENT STABILIZATION WILL BE INSTALLED BELOW PIPE OR FLUME OUTLETS AS INDICATED.
6. SKIMMER SEDIMENT BASINS/SEDIMENT TRAPS
SKIMMER SEDIMENT BASINS/SEDIMENT TRAPS ARE PROVIDED AT THE LOW POINTS OF THE SITE TO FILTER
SEDIMENT LADEN RUNOFF PRIOR TO DISCHARGE.
CONSTRUCTION SCHEDULE
1. OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.
2. HOLD PRECONSTRUCTION CONFERENCE PRIOR TO STARTING CONSTRUCTION.
3. CLEAR AS NECESSARY TO INSTALL PERIMETER MEASURES, CONSTRUCTION ENTRANCE/EXIT, TEMPORARY
DIVERSIONS AND SEDIMENT TRAPS/BASINS AS SHOWN ON SHEET C4.0.
4. INSTALL ALL PERIMETER MEASURES, CONSTRUCTION ENTRANCE/EXIT, AND SEDIMENT TRAPS/BASINS INDICATED
5. CLEAR REMAINDER OF SITE.
6. INSTALL ALL CULVERTS AND ASSOCIATED INLETS. INSTALL INLET PROTECTION AS NOTED.
7. ROUGH GRADE NEW ROADWAY AND PRIVATE DRIVE.
8. UPON COMPLETION OF FILL, STABILIZE BACKSLOPES IMMEDIATELY.
9. INSTALL WATERMAIN IN SOUTH JIM MINOR ROAD. STABILIZE DISTURBED AREAS ON THE NORTHERN SIDE OF
SOUTH JIM MINOR ROAD IMMEDIATELY.
10. EXTEND WATERMAIN ALONG NEW ROADWAY. TEST AND CHLORINATE PRIOR TO FINE GRADING ROADWAY.
11. GRADE SUBGRADE OF ROADWAY AND PRIVATE DRIVE.
12. INSTALL BASE AND PAVING.
13. FINE GRADE FILL SLOPES AND DITCHES. INSTALL TEMPORARY AND PERMANENT LINERS AS NOTED.
14. INSTALL PERMANENT APRONS AND STABILIZE ALL REMAINING DISTURBED AREAS.
15. INSPECT ALL EROSION AND SEDIMENT CONTROL PRACTICES WEEKLY AND AFTER RAINFALL EVENTS. MAKE
NEEDED REPAIRS IMMEDIATELY.
16. AFTER SITE IS STABILIZED, REMOVE ALL TEMPORARY EROSION CONTROL MEASURES AND INSTALL PERMANENT
VEGETATION ON THE DISTURBED AREAS.
MAINTENANCE PLAN
1. CHECK ALL EROSION AND SEDIMENT CONTROL PRACTICES FOR STABILITY AND OPERATION FOLLOWING EVERY
RAINFALL PRODUCING RUNOFF BUT IN NO CASE LESS THAN ONCE EVERY WEEK. MAKE ANY NEEDED REPAIRS
IMMEDIATELY TO MAINTAIN ALL PRACTICES AS DESIGNED. FOLLOW ALL REQUIREMENTS OF NPDES PHASE II
PERMIT.
2. REMOVE SEDIMENT FROM BEHIND SILT FENCE OUTLETS AND STONE FILTERS WHEN STORAGE CAPACITY HAS
BEEN APPROXIMATELY 50% FILLED. CLEAN OR REPLACE GRAVEL ON OUTLETS WHEN THE WATER POOLS AND IS
NO LONGER DRAINING PROPERLY.
3. CLEAN TRAPS WHEN SEDIMENT ACCUMULATES TO WITHIN ONE FOOT OF THE WEIR CREST ELEVATION. CHECK
TRAPS FOR EVIDENCE OF BYPASS OR BREACH AFTER EACH RAINFALL AND REPAIR IMMEDIATELY.
4. SEED AND STABILIZE ALL DISTURBED AREAS IN ACCORDANCE WITH STABILIZATION TABLE PRESENTED ON THIS
SHEET.
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: N/A
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
P:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D1.2 EC Details, 2/6/2020 8:54:23 AM
PRELIMINARY SUBDIVISION PLAN

rHKC;tL IU�J 1 /UJUtS, 1 /UJUy, I /U,51U, 15y114, 15y1 Ib, 15y11 /
-DEWATERING
CONCRETE BLOCK
\,C-cf)o 0'.00-
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00
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ooDD
2:1 SLOPE, GRAVEL FILTER
4' MIN.
ALL AROUND WIRE SCREEN
TEMPORARY SEDIMENT
POOL DEWATERING
1' MIN.
2' MAX.
DRAINAGE -
SEDIMENT 11 1I STRUCTURE
CONSTRUCTION SPECIFICATIONS
1. LAY ONE BLOCK ON EACH SIDE OF THE STRUCTURE ON ITS SIDE IN THE BOTTOM ROW TO
ALLOW POOL DRAINAGE. THE FOUNDATION SHOULD BE EXCAVATED AT LEAST 2 INCHES BELOW
THE CREST OF THE STORM DRAIN. PLACE THE BOTTOM ROW OF BLOCKS AGAINST THE EDGE
OF THE STORM DRAIN FOR LATERAL SUPPORT AND TO AVOID WASHOUTS WHEN OVERFLOW
OCCURS. IF NEEDED, GIVE LATERAL SUPPORT TO SUBSEQUENT ROWS BY PLACING 2 X 4
WOOD STUDS THROUGH BLOCK OPENINGS.
2. CAREFULLY FIT HARDWARE CLOTH OR COMPARABLE WIRE MESH WITH 1/2-INCH OPENINGS
OVER ALL BLOCK OPENINGS TO HOLD GRAVEL IN PLACE.
3. USE CLEAN GRAVEL, 3/4- TO 1/2-INCH IN DIAMETER, PLACED 2 INCHES BELOW THE TOP
OF THE BLOCK ON A 2:1 SLOPE OR FLATTER AND SMOOTH IT TO AN EVEN GRADE. DOT #57
WASHED STONE IS RECOMMENDED.
4. IF ONLY STONE AND GRAVEL ARE USED, KEEP THE SLOPE TOWARD THE INLET NO STEEPER
THAN 3:1. LEAVE A MINIMUM 1-FT WIDE LEVEL STONE AREA BETWEEN THE STRUCTURE AND
AROUND THE INLET TO PREVENT GRAVEL FROM ENTERING INLET. ON THE SLOPE TOWARD THE
INLET, USE STONE 3 INCHES IN DIAMETER OR LARGER. ON THE SLOPE AWAY FROM THE INLET
USE 1/2 - 3/4-INCH GRAVEL (NCDOT #57 WASHED STONE) AT A MINIMUM THICKNESS OF 1
FT.
MAINTENANCE
INSPECT THE BARRIER AFTER EACH RAIN AND MAKE REPAIRS AS NEEDED.
REMOVE SEDIMENT AS NECESSARY TO PROVIDE ADEQUATE STORAGE VOLUME FOR
SUBSEQUENT RAINS.
WHEN THE CONTRIBUTING DRAINAGE AREA HAS BEEN ADEQUATELY STABILIZED, REMOVE ALL
MATERIALS AND ANY UNSTABLE SOIL, AND EITHER SALVAGE OR DISPOSE OF IT PROPERLY.
BRING THE DISTURBED AREA TO PROPER GRADE, THEN SMOOTH AND COMPACT IT.
APPROPRIATELY STABILIZE ALL BARE AREAS AROUND THE INLET.
BLOCK AND GRAVEL
INLET PROTECTION
NTS
DESIGN SETTLED TOP OF
BERM @ CONSTANT GRADE
WEIR ELEVATION /
TOP OF STORAGE
EXISTING
GRADE
EXCAVATED
AREA
BOTTOM @ _
CONSTANT GRADE
12" MIN OF NCDOT #5
OR #57 WASHED STONE
MIN
3600 CU FT/ACRE B
SETTLED 21"
Ti MIN \
1.
FT
- ---------
5 MAXF ILL
FI
2' TO 3.5' ------ F'
CROSS SECTION
4' MIN.
A: DISTANCE BELOW GRADE,
TYPICALLY 1.5' MIN.
B: DISTANCE ABOVE GRADE,
VARIES
C: TOTAL DESIGN DEPTH FROM
EXISTING GRADE
D: INLETS TO TRAP @ OR ABOVE
WEIR ELEVATION
1.5 FT MIN.
5' MAX
�7
\2:1 SIDE
SLOPE MAX
1:1 SIDE /
SLOPE MAX
LFILTER
FABRIC
-OVERFILL 6"
FOR SETTLEMENT
I I I -I I
EMERGENCY
BY-PASS
6" BELOW
SETTLED
TOP OF DAM
NATURAL
GROUND
'3' MIN.'
PLAN VIEW
TEMPORARY SEDIMENT TRAP
N TS
CONSTRUCTION SPECIFICATIONS:
1. CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT OF ALL VEGETATION AND ROOT MAT. 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 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 THE SOIL.
- PLACE THE FILTER FABRIC BETWEEN THE RIPRAP AND SOIL. EXTEND THE FABRIC ACROSS THE SPILLWAY FOUNDATION AND SIDES TO THE
TOP OF THE DAM; OR
- EXCAVATE 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 2 FT DEEP AND 2 FT 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 FT 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 OVER FILLED 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 D50 SIZE OF 9 INCHES (CLASS B EROSION
CONTROL STONE IS RECOMMENDED) AND A MAXIMUM STONE SIZE 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 (REFERENCES: RUNOFF
CONTROL MEASURES AND OUTLET PROTECTION).
10. ENSURE THAT THE STONE SPILLWAY 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 STREAM (REFERENCES: OUTLET PROTECTION).
11. DIRECT EMERGENCY BYPASS TO NATURAL, STABLE AREAS. LOCATE BYPASS OUTLETS 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 (REFERENCES: SURFACE STABILIZATION).
13. SHOW THE DISTANCE FROM THE TOP OF THE SPILLWAY TO THE SEDIMENT CLEANOUT LEVEL (ONE-HALF THE DESIGN DEPTH) ON THE PLANS AND
MARK IT IN THE FIELD.
14. INSTALL POROUS BAFFLES AS SPECIFIED IN PRACTICE 6.65, POROUS BAFFLES.
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 FT 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 PROPERLY (REFERENCES: SURFACE STABILIZATION).
\ \ o /
V_
\\ \\ \ CLASS /AP NATURAL GROUND
B RIPR/
�C>
RIP RAP HEADWALL
FILTER BERM NCDOT #5 OR #57 WASHED STONE
1-11
Fv '
PERSPECTIVE VIEW
NO SCALE
PIPE INVERT
AREAS TO BE DISTURBED SEDIMENT STORAGE NOTE:
(CUT, FILL, ETC.) FLOOD STORAGE ZONE RIP RAP HEADWALL, 1' MIN GRAVEL & RIP RAP FILTER BERM
HEIGHT FROM ROAD SHOULDER BASIN DETAIL IS DESIGNED TO
1' 3'
NATURAL PROTECT EXISTING PIPE INVERTS
FCOW 2 3 - - GROUND THAT DRAIN 10 ACRES OR LESS.
--- 1.5' - - --FLOWS --
_ - -
NOTE: 1cLISS e RIP -RAP
DIMENSIONS ARE MINIMUM
ACCEPTABLE UNLESS NCDOT #5 OR #57 WASHED STONE
OTHERWISE NOTED. MAX. SEDIMENT DEPTH(CLEAN OUT POINT)
SECTION THRU BASIN, FILTER AND CULVERT PIPE
NO SCALE
(EXISTING PIPE INVERTS) STD. No.
ROCK PIPE INLET PROTECTION 6.55.2
SEE DENR STANDARDS & SPECS.
FOR COMPLETE DESIGN CRITERIA & MAINTENANCE
PVC END
CAP \ PVC ELBOW
PVC VENT
PIPE \
WATER SURFACE
• • • • PVC END
CAP
SCHEDULE 40
PVC PIPE
PVC TEE
PVC PIPE FLEXIBLE
1/2" HOLES IN HOSE
UNDERSIDE
END VIEW
SKIMMER SEDIMENT BASINS ARE NEEDED WHERE DRAINAGE AREAS
ARE TOO LARGE FOR TEMPORARY TRAPS. DO NOT LOCATE THE
SKIMMER SEDIMENT BASIN IN INTERMITTENT OR PERENNIAL
STREAMS.
n A rri r /Tvn\
INLE
INLET ZONE
25% OF
SURFACE AREA
SCHEDULE 40
PVC PIPE
ORIFICE
PLATE
PVC TEE
BOTTOM SURFACE
FRONT VIEW
"C" ENCLOSURE
WATER ENTRY
UNIT
TLET
OUTLET ZONE
25% OF
SURFACE AREA
SURFACE AREA SURFACE AREA
POROUS BAFFLES IN SEDIMENT TRAP , BASIN
SUPPORT ROPE
TO WIRE TO
PREVENT SAGGING
SUPPORT POST,
24" INTO BOTTOM
OR SIDE
STAKE TO SUPPORT
WIRE
I
COIR MESH OR SIMILAR, STAPLED OR
TRENCHED INTO BOTTOM OR SIDE
CROSS-SECTION OF POROUS BAFFLES
CONSTRUCTION SPECIFICATION:
1. GRADE THE BASIN SO THAT THE BOTTOM IS LEVEL FRONT TO BACK AND SIDE TO SIDE.
2. INSTALL POSTS 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 SIDES OF THE BASIN AS WELL. THE TOP OF THE FABRIC SHOULD
BE 6 INCHES HIGHER THAT THE INVERT OF THE SPILLWAY. TOPS OF BAFFLES SHOULD BE 2
INCHES LOWER THAN THE TOP OF THE BERMS.
4. INSTALL AT LEAST THREE ROWS OF BAFFLES BETWEEN THE INLET AND THE OUTLET DISCHARGE
POINT. BASINS LESS THAN 20 FEET IN LENGTH MAY USE 2 BAFFLES.
5. ADD A SUPPORT WIRE OR ROPE ACROSS THE TOP OF THE MEASURE TO PREVENT SAGGING.
6. WRAP POROUS MATERIAL, LIKE JUTE BACKED BY COIR MATERIAL, OVER THE TOP WIRE. THE
FABRIC SHOULD HAVE FIVE TO TEN PERCENT OPENINGS IN THE WEAVE. ATTACH FABRIC TO A
ROPE AND A SUPPORT STRUCTURE WITH ZIP TIES, WIRE, OR STAPLES.
7. THE BOTTOM AND SIDES OF THE FABRIC SHOULD BE ANCHORED IN A TRENCH OR PINNED WITH
8-INCH EROSION CONTROL MATING 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 IT 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
STORAGE DEPTH.
AFTER THE CONTRIBUTING DRAINAGE AREA HAS BEEN PROPERLY STABILIZED, REMOVE ALL BAFFLE
MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE, AND STABILIZE IT.
POROUS BAFFLES
INFLOW
STRUCTURE
AVERAGE_ Al
WIDTH W - L
* AREA OF BASIN WATER SURFACE AT
TOP OF PRINCIPAL SPILLWAY ELEVATION
INFLOW
STRUCTURE BAFFLES
DEWATERING '
ZONE
FILTER FABRIC
PLAN VIEW
BAFFLES
SKIMMER
DEWATERING
DEVICE
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EMERGENCY
SPILLWAY
EMBANKMENT
1' FREEBOARD /
6" MIN. INVE T ELEVATION OF
EMERGENCY SPILLWAY
EMERGENCY
SPILLWAY
SEDIMENT
STORAGE ZONE
CROSS-SECTION VIEW
CONSTRUCTION SPECIFICATIONS:
1. CLEAR, GRUB, AND STRIP THE AREA UNDER THE EMBANKMENT OD 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. PLACE TEMPORARY SEDIMENT CONTROL MEASURES BELOW BASIN AS NEEDED.
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 TO ALLOW FOR SETTLEMENT.
3. SHAPE THE BASIN TO THE SPECIFIED DIMENSIONS. PREVENT THE SKIMMING DEVICE FROM SETTLING
INTO THE MUD BY EXCAVATING A SHALLOW PIT UNDER THE SKIMMER OR PROVIDING A LOW SUPPORT
UNDER THE SKIMMER OF STONE OR TIMBER.
4. PLACE THE BARREL (TYPICALLY 4-INCH SCHEDULE 40 PVC PIPE) ON A FIRM, SMOOTH FOUNDATION OF
IMPERVIOUS SOIL. DO NOT USE PERVIOUS MATERIAL SUCH AS SAND, GRAVEL, OR CRUSHED STONE AS
BACKFILL AROUND THE PIPE. PLACE THE FILL MATERIAL AROUND THE PIPE SPILLWAY IN 4-INCH
LAYERS AND COMPACT IT UNDER AND AROUND THE PIPE TO AT LEAST THE SAME DENSITY AS THE
ADJACENT EMBANKMENT. CARE MUST BE TAKEN TO RAISE THE PIPE FROM THE FIRM CONTACT WITH
ITS FOUNDATION WHEN COMPACTING UNDER THE PIPE HAUNCHES.
PLACE A MINIMUM DEPTH OF 2 FEET OF COMPACTED BACKFILL OVER THE PIPE SPILLWAY BEFORE
CROSSING IT WITH CONSTRUCTION EQUIPMENT. IN NO CASE SHOULD THE PIPE CONDUIT BE INSTALLED
BY CUTTING A TRENCH THROUGH THE DAM AFTER THE EMBANKMENT IS COMPLETE.
5. ASSEMBLE THE SKIMMER FOLLOWING THE MANUFACTURERS INSTRUCTIONS, OR AS DESIGNED.
6. LAY THE ASSEMBLED SKIMMER ON THE BOTTOM OF THE BASIN WITH THE FLEXIBLE JOINT AT THE INLET
OF THE BARREL PIPE. ATTACH THE FLEXIBLE JOINT TO THE BARREL PIPE AND POSITION THE SKIMMER
OVER THE EXCAVATED PIT OR SUPPORT. BE SURE TO ATTACH A ROPE TO THE SKIMMER AND
ANCHOR IT TO THE SIDE OF THE BASIN. THIS WILL BE USED TO PULL THE SKIMMER TO THE SIDE FOR
MAINTENANCE.
7. EARTHEN SPILLWAYS - INSTALL THE SPILLWAY IN UNDISTURBED SOIL TO THE GREATEST EXTENT
POSSIBLE. THE ACHIEVEMENT OF PLANNED ELEVATIONS, GRADE, DESIGN WIDTH, AND ENTRANCE AND
EXIT CHANNEL SLOPES ARE CRITICAL TO THE SUCCESSFUL OPERATION OF THE SPILLWAY. THE
SPILLWAY SHOULD BE LINED WITH LAMINATED PLASTIC OR IMPERMEABLE GEOTEXTILE FABRIC. THE
FABRIC MUST BE WIDE AND LONG ENOUGH TO COVER THE BOTTOM AND SIDES AND EXTEND TO THE
TOP OF THE DAM FOR ANCHORING IN A TRENCH. THE EDGES MAY BE SECURED WITH 8-INCH
STAPLES OR PINS. THE FABRIC MUST BE LONG ENOUGH TO EXTEND DOWN THE SLOPE AND EXIT
ONTO STABLE GROUND. THE WIDTH OF THE FABRIC MUST BE ONE PIECE, NOT JOINED OR SPLICED;
OTHERWISE WATER CAN GET UNDER THE FABRIC. IF THE LENGTH OF THE FABRIC IS INSUFFICIENT FOR
THE ENTIRE LENGTH OF THE SPILLWAY, MULTIPLE SECTIONS, SPANNING THE COMPLETE WIDTH, MAY BE
USED. THE UPPER SECTIONS) SHOULD OVERLAP THE LOWER SECTIONS) SO THAT WATER CANNOT
FLOW UNDER THE FABRIC. SECURE THE UPPER EDGE AND SIDES OF THE FABRIC IN A TRENCH WITH
STAPLES OR PINS. (ADAPTED FROM "A MANUAL FOR DESIGNING, INSTALLING AND MAINTAINING
SKIMMER SEDIMENT BASINS." FEBRUARY, 1999. J.W. FAIRCLOTH & SON).
8. INLETS - DISCHARGE 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 (REFERENCES: RUNOFF
CONTROL MEASURES AND OUTLET PROTECTION).
9. EROSION CONTROL - CONSTRUCT THE STRUCTURE SO THAT THE DISTURBED AREA IS MINIMIZED.
DIVERT SURFACE WATER AWAY FROM BARE AREAS. COMPLETE THE EMBANKMENT BEFORE AREA IS
CLEARED. STABILIZE THE EMERGENCY SPILLWAY EMBANKMENT AND ALL OTHER DISTURBED AREA
ABOVE THE CREST OF THE PRINCIPAL SPILLWAY IMMEDIATELY AFTER CONSTRUCTION (REFERENCES:
SURFACE AND STABILIZATION).
10. INSTALL POROUS BAFFLES AS SPECIFIED IN PRACTICE 6.65, POROUS BAFFLES.
11. AFTER ALL THE SEDIMENT -PRODUCING AREAS HAVE BEEN PERMANENTLY STABILIZED, REMOVE THE
STRUCTURE AND ALL THE INSTABLE SEDIMENT. SMOOTH THE AREA TO BLEND WITH THE ADJOINING
AREAS AND STABILIZE PROPERLY (REFERENCES: SURFACE STABILIZATION).
MAINTENANCE:
INSPECT SKIMMER SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (ONE-HALH INCH OR
GREATER) RAINFALL EVENT AND REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS
ORIGINAL DIMENSIONS WHEN SEDIMENT ACCUMULATES TO ONE-HALF THE HEIGHT OF THE FIRST BAFFLE.
PULL THE SKIMMER TO ONE SIDE SO THAT THE SEDIMENT UNDERNEATH IT CAN BE EXCAVATED. EXCAVATE
THE SEDIMENT FROM THE ENTIRE BASIN, NOT JUST AROUND THE SKIMMER OR THE FIRST CELL. MAKE SURE
VEGETATION GROWING IN THE BOTTOM OF THE BASIN DOES NOT HOLD DOWN THE SKIMMER.
REPAIR THE BAFFLES IF THEY ARE DAMAGED. RE -ANCHOR THE BAFFLES IF WATER IS FLOWING
UNDERNEATH OR AROUND THEM.
IF THE SKIMMER IS CLOGGED WITH TRASH AND THERE IS WATER IN THE BASIN, USUALLY JERKING ON THE
ROPE WILL MAKE THE SKIMMER BOB UP AND DOWN AND DISLODGE THE DEBRIS AND RESTORE FLOW. IF
THIS DOES NOT WORK, PULL THE SKIMMER OVER TO THE SIDE OF THE BASIN AND REMOVE THE DEBRIS.
ALSO CHECK THE ORIFICE INSIDE THE SKIMMER TO SEE ID IT IS CLOGGED; IF SO REMOVE THE DEBRIS.
IF THE SKIMMER ARM OR BARREL PIPE IS CLOGGED, THE ORIFICE CAN BE REMOVED AND THE OBSTRUCTION
CLEARED WITH A PLUMBER'S SNAKE OR BY FLUSHING WITH WATER. BE SURE AND REPLACE THE ORIFICE
BEFORE REPOSITIONING THE SKIMMER.
CHECK THE FABRIC LINED SPILLWAY FOR DAMAGE AND MAKE ANY REQUIRED REPAIRS WITH FABRIC THAT
SPANS THE FULL WIDTH OF THE SPILLWAY. CHECK THE EMBANKMENT, SPILLWAYS, AND OUTLET FOR
EROSION DAMAGE, AND INSPECT THE EMBANKMENT FOR PIPING AND SETTLEMENT. MAKE ALL NECESSARY
REPAIRS IMMEDIATELY. REMOVE ALL TRASH AND OTHER DEBRIS FROM THE SKIMMER AND POOL AREAS.
FREEZING WEATHER CAN RESULT IN ICE FORMING IN THE BASIN. SOME SPECIAL PRECAUTIONS SHOULD BE
TAKEN IN THE WINTER TO PREVENT THE SKIMMER FROM PLUGGING WITH ICE.
SKIMMER SEDIMENT BASIN
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: N/A
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
D 1
o � �
PRELIMINARY SUBDIVISION PLAN
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D1.3 EC Details, 2/6/2020 8:54:27 AM

FANULL IU#J I /UJU0, I /UJU'J, I /U,S I U, 1 5y I 1 4, 15y1 I U, 1 5y11 /
TOP ELEVATION OF STORMWATER
— — — — — — — — — — — — — — — — — — — — — — —
1 #57 WASHED
DESIGN OF SPILLWAYS sTONE�c
DRAINAGE AREA WEIR LENGTH' EXISTING SLOPE
(ACRES) (FT)
1 4.0
2 6.0
3 8.0
4 10.0
5 12.0
1DIMENSIONS SHOWN ARE MINIMUM
sau
CLASS 1 RIP -RAP
LTER FABRIC I
EXISTING SLOPE
�P STEP SEQUENCE
FRONT VIEW NOTE:
REVISIONS HEIGHT & WIDTH DETERMINED BY EXISTING
DATE DESCRIPTION TOPOGRAPHY AND SEDIMENT STORAGE REQUIRED.
10/88 NOTE ADDITION M.H.D.
a/ss ADD SPILLWAY CHART G.M.A. KEY RIP RAP INTO THE DAM FOR STABILIZATION.
X] IDue] �i11 "NA I
STD. No.
APRON WIDTH AT
THE OUTLET IS 1.5
TIMES THE WIDTH
OF THE F.E.S.
FLARED END
SECTION
APRON LENGTH
RIP -RAP
PLAN VIEW
LENGTH OF
APRON
FLOC
SLOPE OF EXISTING L\
SECTION A -A
THERE MUST BE NO OVERALL
AT THE END OF THE APRON.
WHEN THE AREA BELOW THE OUTLET
IS NOT A DEFINED CHANNEL, BUILD A
FLAT APRON TO DISPERSE RUNOFF.
SECTION B-B
INSTRUCTIONS FOR
RIP RAP APRON /
STONE APRON OUTLET PROTECTION
FILTER
BLANKET
INSTALLATION
1. REFER TO THE PLANS FOR LOCATION, EXTENT, AND SPECIFICATIONS. IF THERE ARE QUESTIONS OR
PROBLEMS WITH THE LOCATION, EXTENT, OR METHOD OF INSTALLATION, CONTACT THE ENGINEER,
ARCHITECT, OR RESPONSIBLE PERSONNEL ON THE SITE FOR ASSISTANCE. EROSION CONTROL
PERSONNEL HAVE COPIES OF INSTRUCTIONS AND MAY HAVE PHOTOGRAPHS OR PROPERLY INSTALLED
APRONS AS A AID TO INSTALLATION.
IF THE STONE APRON IS NOT INSTALLED CORRECTLY THE FIRST TIME, IT WILL HAVE TO BE REBUILT.
2. DETERMINE THE LOCATION ON THE GROUND TAKING INTO CONSIDERATION:
* DECIDE HOW EQUIPMENT AND MATERIAL WILL REACH THE LOCATION TO CONSTRUCT THE APRON. DO
NOT "PAINT YOURSELF INTO A CORNER" AND PLACE FILL, STRUCTURES, ETC. THAT COULD BLOCK
ACCESS.
* THE LOCATION OF THE APRON MUST BE SOLID GROUND. IT MAY BE NECESSARY TO EXCAVATE THE
LOCATION TO REMOVE MUD AND THEN BACKFILL WITH GOOD MATERIAL. THIS IS NECESSARY SO THE
STONE DOES NOT DISAPPEAR INTO THE MUD, WHICH WOULD REQUIRE MUCH MORE STONE TO COMPLETE
THE APRON AND MAKE INSTALLATION DIFFICULT.
3. CLEAR THE LOCATION OF THE APRON. LEAVE AS MUCH OF THE EXISTING VEGETATION AS POSSIBLE
AROUND THE LOCATION TO HOLD THE SOIL IN PLACE AND REDUCE THE AREA THAT WILL HAVE TO BE
STABILIZED AFTERWARD.
4. EXCAVATE THE BOTTOM TO THE REQUIRED DEPTH TO ACCEPT THE STONE AND THE FILTER BLANKET.
WHEN FINISHED, THE BOTTOM OF THE APRON MUST BE LEVEL WITH THE BOTTOM OF THE CHANNEL;
THERE CANNOT BE AN OVERALL AT THE END OF THE APRON.
5. PLACE THE FILTER BLANKET, AS SPECIFIED IN THE PLAN, OVER THE LOCATION AND UNDER THE LIP OF
THE FLARED END SECTION.
6. PLACE THE SPECIFIED STONE TO THE REQUIRED DIMENSIONS AND SHAPE IT TO THE CONFIGURATION
SHOWN IN THE PLAN.
7. STABILIZE THE AREA AROUND THE APRON THAT WAS DISTURBED DURING CONSTRUCTION. USE
ADDITIONAL STONE OR VEGETATION, WHICHEVER IS APPROPRIATE FOR THE SITUATION.
RIP RAP APRON
NTS
;OLL OUT STRIPS OF
NETTING PARALLEL TO THE DIRECTION OF
FLOW AND OVER THE PROTECTIVE MULCH
VETTING IN 0�FQ
I TRENCH �90
JOIN STRIPS BY
ANCHORING AND
OVERLAPPING.
INSTALLATION OF NETTING AND MATTING
PRODUCTS DESIGNED TO CONTROL EROSION SHOULD BE INSTALLED IN ACCORDANCE WITH
MANUFACTURER'S INSTRUCTIONS.
ANY MAT OR BLANKET -TYPE PRODUCT USED AS A PROTECTIVE MULCH SHOULD PROVIDE COVER OF AT
LEAST 30% OF THE SURFACE WHERE IT IS APPLIED.
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.
3. TO SECURE THE NET, BURY THE UPSLOPE END IN A SLOT OR TRENCH NO LESS THAN 6 INCHES
DEEP, COVER WITH SOIL, AND TAMP FIRMLY. STAPLE THE NET EVERY 12 INCHES ACROSS THE TOP
END AND EVERY 3 FEET AROUND THE EDGES AND BOTTOM. WHERE 2 STRIPS OF NET ARE LAID 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 FEET. DO NOT STRETCH
THE NET WHEN APPLYING STAPLES.
4. TO JOIN TWO STRIPS, CUT A TRENCH TO ANCHOR THE END OF THE NEW NET. OVERLAP THE END
OF THE PREVIOUS ROLL 18 INCHES AND STAPLE EVERY 12 INCHES JUST BELOW THE ANCHOR SLOT.
„r_1111 _nLla
INSPECT ALL MULCHES PERIODICALLY, AND AFTER RAINSTORMS TO CHECK FOR RILL EROSION,
DISLOCATION, OR FAILURE. WHERE EROSION IS OBSERVED, APPLY ADDITIONAL MULCH. IF WASHOUT
OCCURS, REPAIR THE SLOPE GRADE, RESEED, AND REINSTALL MULCH. CONTINUE INSPECTIONS UNTIL
VEGETATION IS FIRMLY ESTABLISHED.
NETS AND MATS
PERMANENT SEEDING SCHEDULE:
d
SEEDING MIXTURE:
°
SPECIES RATE (LB/AC)
TALL FESCUE 80
SERICEA LESPEDEZA 20
KOBE LESPEDEZA 10
u
SEEDING NOTES:
1. AFTER AUGUST 15, USE UN -SCARIFIED SERICEA SEED.
2. WHERE PERIODIC MOWING IS PLANNED OR A NEAT APPEARANCE IS DESIRED, OMIT
-L
SERICEA AND INCREASE KOBE LESPEDEZA TO 40 LB/ACRE.
^^,,
00
3. TO EXTEND SPRING SEEDING DATES INTO JUNE, ADD 15 LB/ACRE HULLED BERMUDA
^W
GRASS. HOWEVER, AFTER MID-APRIL IT IS PREFERABLE TO SEED TEMPORARY
W
�j
COVER.
NURSE PLANTS:
Q�
BETWEEN MAY 1 AND AUG. 15, ADD 10 LB/ACRE GERMAN MILLET OF 15 LB/ACRE
SUDAN GRASS. PRIOR TO MAY 1 OR AFTER AUG. 15 ADD 40 LB/ACRE RYE (GRAIN).
Lu
T 1:t L
SEEDING DATES:
:t co Cz
BEST POSSIBLE
O CV LL]
FALL: AUG. 25 - SEPT. 15 AUG. 20 - OCT. 25
-
Co C�
LATE WINTER: FEB. 15 - MAR. 21 FEB. 1 - APR. 15
�OCflC) U
FALL IS BEST FOR TALL FESCUE AND LATE WINTER FOR LESPEDEZAS.
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SOIL AMENDMENTS:
ao 0')Cu
C'� z T T
APPLY LIME AND FERTILIZER ACCORDING TO SOIL TESTS, OR APPLY 4,000 LB/ACRE
(.0 U
GROUND AGRICULTURAL LIMESTONE AND 1,000 LB/ACRE 10-10-10 FERTILIZER, EXCEPT,
APPLY NO FERTILIZER TO AREAS WITHIN THE NEUSE RIVER RIPARIAN BUFFERS.
L
a)> CZ CZ
MULCH:
c
APPLY 4,000 LB/ACRE GRAIN STRAW OR EQUIVALENT COVER OF ANOTHER SUITABLE
1 1 1
ui
ci O CZMULCH.
N 0- LL W
ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR ROVING OR BY
_j
CRIMPING WITH A MULCH ANCHORING TOOL. A DISK WITH BLADES NEARLY STRAIGHT
CAN BE USED AS A MULCH ANCHORING TOOL.
TEMPORARY SEEDING SCHEDULES
TABLE 6-10A:
TEMPORARY SEEDING RECOMMENDATIONS FOR
LATE WINTER AND EARLY SPRING
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
ANNUAL LESPEDEZA (KOBE IN
PIEDMONT AND COASTAL PLAIN,
KOREAN IN MOUNTAINS) 50
OMIT ANNUAL LESPEDEZA WHEN DURATION OF TEMPORARY COVER IS NOT TO EXTEND
BEYOND JUNE.
SEEDING DATES
MOUNTAINS - ABOVE 2500 FT: FEB. 15 - MAY 15
BELOW 2500 FT: FEB. 1 - MAY 1
PIEDMONT - JAN. 1 - MAY 1
COASTAL PLAIN - DEC. 1 - APR. 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR
A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED
AS A MULCH ANCHORING TOOL.
MAINTENANCE
RE -FERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, RE -FERTILIZE AND MULCH
IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
TABLE 6.10B
TEMPORARY SEEDING RECOMMENDATIONS FOR SUMMER
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
GERMAN MILLET 40
IN THE PIEDMONT AND MOUNTAINS, A SMALL -STEMMED SUDAN GRASS MAY BE
SUBSTITUTED AT A RATE OF 50 LB/ACRE.
SEEDING DATES
MOUNTAINS - MAY 15 - AUG.15
PIEDMONT - MAY 1 - AUG.15
COASTAL PLAIN - APR. 15 - AUG. 15
SOIL AMENDMENTS
FOLLOW RECOMMENDATIONS OF SOIL TESTS OR APPLY 2,000 LB/ACRE GROUND
AGRICULTURAL LIMESTONE AND 750 LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR
A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED
AS A MULCH ANCHORING TOOL.
MAINTENANCE
RE -FERTILIZE IF GROWTH IS NOT FULLY ADEQUATE. RESEED, RE -FERTILIZE AND MULCH
IMMEDIATELY FOLLOWING EROSION OR OTHER DAMAGE.
TABLE 6.10C
TEMPORARY SEEDING RECOMMENDATIONS FOR FALL
SEEDING MIXTURE
SPECIES RATE (LB/ACRE)
RYE (GRAIN) 120
SEEDING DATES
MOUNTAINS - AUG. 15 - DEC 15
COASTAL PLAIN AND PIEDMONT - AUG. 15- DEC. 30
SOIL AMENDMENTS
FOLLOW SOIL TESTS OR APPLY 2.000 LB/ACRE GROUND AGRICULTURAL LIMESTONE AND
1.000 LB/ACRE 10-10-10 FERTILIZER.
MULCH
APPLY 4,000 LB/ACRE STRAW. ANCHOR STRAW BY TACKING WITH ASPHALT, NETTING, OR
A MULCH ANCHORING TOOL. A DISK WITH BLADES SET NEARLY STRAIGHT CAN BE USED
AS A MULCH ANCHORING TOOL.
MAINTENANCE
REPAIR AND RE -FERTILIZE DAMAGED AREAS IMMEDIATELY. TOP -DRESS WITH 50 LB/ACRE
OF NITROGEN IN MARCH. IF IT IS NECESSARY TO EXTEND TEMPORARY COVER BEYOND
JUNE 15, OVER -SEED WITH 50 LB/ACRE KOBE (PIEDMONT AND COASTAL PLAIN) OR
KOREAN (MOUNTAINS) LESPEDEZA IN LATE FEBRUARY OR EARLY MARCH.
STABILIZATION TIME TABLE
SITE AREA DESCRIPTION STABILIZATION
PERIMETER DIKES, SWALES, DITCHES 7 DAYS
AND SLOPES
HIGH QUALITY WATER (HWQ) ZONES 7 DAYS
SLOPES STEEPER THAN 3:1 7 DAYS
SLOPES 3:1 OR FLATTER
ALL OTHER AREAS WITH SLOPES
THAN 4:1
14 DAYS
14 DAYS
TIMEFRAME EXCEPTIONS
NONE
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IF SLOPES ARE 10' IN
LENGTH AND ARE NOT
STEEPER THAN 2:1, 14
DAYS ARE ALLOWED
7 DAYS FOR SLOPES
> 50' IN LENGTH
NONE, EXCEPT FOR FLATTER
PERIMETERS & HOW ZONES
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PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
D 1 4
P:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D1.4 EC Details, 2/6/2020 8:54:32 AM
PRELIMINARY SUBDIVISION PLAN

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SPIDERS
CARRIER PIPE STEEL ENCASEMENT PIPE
NOTES:
1. NORMAL SPACING FOR SPIDERS IS 3 PER 18' LENGTH OF PIPE, ONE SUPPORT AT EACH END AND A
SUPPORT AT 9' CENTER.
2. ENTIRE SPIDER ASSEMBLY TO BE BITUMINOUS COATED AFTER FABRICATION.
3. FIELD MODIFY AS REQUIRED TO PROVIDE DESIGN SLOPE IN CARRIER PIPE.
4. SIZING TABLE IN P-2.1
6" X 3/8" STEEL PLATE
STEEL ENCASEMENT PIPE
STAINLESS STEEL SHOES
ON EACH FOOT OF SPIDER.
CONTINUOUS WELD
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SEE DETAIL P-2.1 FOR SIZING
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END ELEVATION
SIZING TABLE FOR CARRIER PIPES AND CASING PIPES
THE FOLLOWING TABLE SUMMARIZES THE REQUIRED SIZES FOR STEEL PIPE
ENCASEMENTS:
NOTE: NCDOT AND THE RAILROADS MAY HAVE DIFFERENT REQUIREMENTS.
STEEL PIPE ENCASEMENT
NTS
NOMINAL
CARRIER PIPE
SIZE (INCHES)
STEEL CASING PIPE SIZE INCHES
RAILROAD CROSSING
ROAD CROSSING
OUTSIDE
DIAMETER
WALL
THICKNESS
OUTSIDE
DIAMETER
WALL
THICKNESS
3 AND UNDER
12.75
0.188
6.625
0.250
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12.75
0.188
8.625
0.250
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12.75
0.188
12.75
0.250
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16
0.219
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0.250
10
20
0.281
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24
0.312
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METER BOX FOR 5/8°' AND 3/4" METElRS.
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12" 1'-4" 1'-4" 1'-10" 1'-10" 2'-8" 2'-3"
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NOTES:
1. DIMENSION "A" SHOULD BE AS LARGE AS POSSIBLE WITHOUT INTERFERRING WITH THE MECHANICAL JOINT BOLTS
2. THE SHAPE OF THE BACK OF THE BUTTRESS MAY VARY PROVIDED THE CONCRETE IS AGAINST FIRM, UNDISTURDED EARTH.
3. BUTTRESS DIMENSIONS ARE BASED UPON A SOIL RESISTANCE OF TWO TONS PER SQ. FT. AND A WATER PRESSURE OF 150 P.S.I.
NOTES:
1. DIMENSION "A" SHOULD BE AS LARGE AS POSSIBLE WITHOUT INTERFERRING WITH THE MECHANICAL JOINT BOLTS
2. THE SHAPE OF THE BACK OF THE BUTTRESS MAY VARY PROVIDED THE CONCRETE IS AGAINST FIRM, UNDISTURDED EARTH.
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PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.D 2 0 0
SHEET NO.
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D2.0 Utility Water Details, 2/6/2020 8:54:37 AM
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PRELIMINARY SUBDIVISION PLAN
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VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.D 2 0 0
SHEET NO.
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D2.0 Utility Water Details, 2/6/2020 8:54:37 AM
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PRELIMINARY SUBDIVISION PLAN
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HORIZONTAL SCALE: N/A
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.D 2 0 0
SHEET NO.
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D2.0 Utility Water Details, 2/6/2020 8:54:37 AM
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PRELIMINARY SUBDIVISION PLAN
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HORIZONTAL SCALE: N/A
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.D 2 0 0
SHEET NO.
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D2.0 Utility Water Details, 2/6/2020 8:54:37 AM
%
PRELIMINARY SUBDIVISION PLAN
SHEET NO.
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D2.0 Utility Water Details, 2/6/2020 8:54:37 AM
%
PRELIMINARY SUBDIVISION PLAN

F-AKI;tL IIJ#J I /UJU0, I /UJU'J, I /U,S I U, 1 5y I 1 4, 15y1 1 b, 1 5y11 /
PIPE
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DIMENSIONS IN INCHES WEIGHT IN POUNDS
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I
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PLAN
WITH GRATE & FRAME REMOVED
I
I
SEE NOTE
N
L
BRICK COPING(INCIDENTAL)
TOP ELEVATION
- STD. 840.16 FRAME -
& GRATE
A
DOWEL(SEE NOTE)
SECTION X-X
V
6"
GENERAL NOTES:
USE CLASS "B" CONCRETE THROUGHOUT.
PROVIDE ALL DROP INLETS OVER 3'-6" IN DEPTH WITH STEPS 12"
ON CENTER. USE STEPS WHICH COMPLY WITH STD. DRAWING 840.66.
OPTIONAL CONSTRUCTION - MONOLITHIC POUR 2" KEYWAY OR #4 BAR DOWELS AT
12" CENTERS AS DIRECTED BY THE ENGINEER.
USE FORMS FOR THE CONSTRUCTION OF THE BOTTOM SLAB.
IF REINFORCED CONCRETE PIPE IS SET IN BOTTOM SLAB OF BOX, ADD TO SLAB
AS SHOWN ON STD. NO. 840.00.
CONSTRUCT WITH PIPE CROWNS MATCHING.
SEE STANDARD DRAWING 840.25 FOR ATTACHMENT OF FRAMES AND GRATES NOT SHOWN.
INSTALL 2" WEEPHOLES AS DIRECTED BY THE ENGINEER.
INSTALL STONE DRAINS, OF A MINIMUM OF 1 CUBIC FOOT OF NO. 7BM STONE IN A
POROUS FABRIC BAG OR WRAP, AT EACH WEEP HOLE OR AS DIRECTED BY THE ENGINEER.
CHAMFER ALL EXPOSED CORNERS 1".
DRAWING NOT TO SCALE.
a
#4 BAR
B 6"
Cm
6,r
1
DOWEL
MAX. PIPE THIS SIDE - 18"
SECTION Y-Y
DIMENSIONS AND QUANTITIES FOR DROP INLET(BASED ON MIN. HEIGHT, H)
DIMENSIONS OF BOX & PIPE
CUBIC YARDS
CONIC. IN BOX
DEDUCTIONS FOR
ONE PIPE
PIPE
SPAN
WIDTH
IMIN. HEIGHT
D
A
B
H
BOTTOM
SLAB
WALL PER
FT. HT.
TOTAL
CONCRETE
FOR MINIMUM
HEIGHT, H
C.M.
R.C.
12"
3'-0"
2'-0"
2'-0"
0.222
0.222
0.592
0.015
0.026
15"
2'-3"
0.648
0.023
0.036
18"
2'-6"
0.703
0.033
0.049
24"
3'-0"
0.814
0.059
0.085
30"
2'-0"
3'-6"
0.222
0.222
0.925
0.092
1 0.127
I
Y
PLAN
WITH COPING REMOVED
SECTION X-X
GENERAL NOTES:
MORTAR JOINTS It" +/- Lg" THICK.
USE CLASS "B" CONCRETE THROUGHOUT.
USE FORMS FOR CONSTRUCTION OF THE BOTTOM SLAB.
USE #4 BAR DOWELS AT 12" CENTERS.
X DEDUCT FOR PIPE(S) FROM TOTAL CU. YDS. OF BRICK MASONRY.
- -� PROVIDE ALL CATCH BASINS OVER 3'-6" IN DEPTH WITH STEPS 12"
ON CENTER. USE STEPS WHICH COMPLY WITH STD. DRAWING 840.66.
USE BRICK OR CONCRETE BLOCK WHICH COMPLIES WITH THE REQUIREMENTS
OF SECTION 840 OF THE STANDARD SPECIFICATIONS.
IF REINFORCED CONCRETE PIPE IS SET IN BOTTOM SLAB OF BOX, ADD TO SLAB
AS SHOWN ON STD. NO. 840.00.
FOR 8'-0" IN HEIGHT OR LESS, USE 8" WALL. OVER 8'-0" IN HEIGHT, USE
12" WALL TO 6'-0" FROM TOP OF WALL AND 8" WALL FOR THE REMAINING
6'-0". QUANTITES TO BE ADJUSTED ACCORDINGLY.
CONSTRUCT WITH PIPE CROWNS MATCHING.
SEE STANDARD DRAWING 840.25 FOR ATTACHMENT OF FRAMES AND GRATES.
DO NOT USE BRICK MASONRY DROP INLET IN LOCATIONS SUBJECT TO
TRAFFIC.
CHAMFER ALL EXPOSED CORNERS 1".
DRAWING NOT TO SCALE.
uuriNu tINUIUtNIAL)
rOP ELEVATION
STD. 840.16
RAME AND GRATE v
B" B 8"
0 I
TE
MAX. PIPE THIS SIDE - 1
SECTION Y-Y
DIMENSIONS AND QUANTITIES FOR DROP INLET(BASED ON MIN. HEIGHT, H)
DIMENSIONS OF BOX & PIPE
CUBIC YARDS
CONCRETE
CUBIC YARDS
BRICK MASONRY
DEDUCTIONS FOR
ONE PIPE
PIPE
SPAN
WIDTH
MIN. HEIGHT
D
A
B
H
BOTTOM
SLAB
WALL PER
FOOT HT.
TOTAL BRICK
MASONRY FOR
MIN. HEIGHT, H
C.S.
R.C.
12"
3'-0"
2'-0"
2'-0"
0.268
0.313
0.522
0.020
0.032
15"
2'-3"
1 0.268
0.313
0.600
0.031
0.047
18"
2'-6"
1 0.268
0.313
0.678
0.044
0.065
24"
1
3'-0"
1 0.268
0,313
0.835
0.078
0.113
30"
1 3' 0"
2'-0"
3'-6"
1 0.268
1 0.313
1 0.991
0.122
1 0.170
" ESSION
SECTION G-G
2'-31/4"
1 %6" 2"
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DATE:
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HORIZONTAL SCALE: N/A
VERTICAL SCALE:
N/A
PROJECT MANAGER: CPK
DRAWN BY:
SCS
PROJECT NO:
17-002
DRAWING NAME:
17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF Earth Centric Engineering, Inc.
THE INFORMATION ON
THIS DRAWING IS NOT FOR
USE ON ANY OTHER
SITE OR PROJECT. THE
REPRODUCTION OR
OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF
Earth Centric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 Earth
Centric Engineering, Inc.
SHEET NO.
D 0
:):\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D3.0 SD Details, 2/6/2020 8:54:42 AM
SHEET 1 OF 1
840.16
SHEET 1 OF 1
840.16
PRELIMINARY SUBDIVISION PLAN

F-AKI;tL ILJ#J 1 7UJU0, 1 7UJU`J, I /U,7I U, 1 5J I 1 4, 15y1 l b, 1 5y11 /
CONCRETE
PAD FOR
CBU (PER USPS)
b' MIN
TO CBU
-CBU
LOCATE CBU ONLY
3�
(ACCESS FROM PAD)
IN CROSSHATCH AREA.
(DO NOT INSTALL IN
"THROAT" OF CUL-DE-SAC)
N5'
ADA RAMP LOC.
EDGE OF
TRAVEL LANE II II
ROADWAY
CENTERLINE
SEE FIGURE 8 PAGE 46, "NCDOT SUBDIVISION ROADS MINIMUM CONSTRUCTION
STANDARDS JANUARY 2010" FOR LOCAL AND COLLECTOR ROAD DIMENSIONS.
z z
g g 6'
w w I
CBU
F- F
O O
0 0
0 0
w w 02
CONCRETE PAD
FOR CBU
NOTE:
MAINTAIN R/W OFFSET
AROUND CBU PAD
FIGURE 4
CBU PLACEMENT FOR SHOULDER SECTION RESIDENTIAL SUBDIVISION STREETS
CUL-DE-SAC
USPS APPROVED SPECIFICATIONS - CONCRETE PAD (SINGLE UNIT)
(All measurements are in inches)
24.0C
MIN
2.00-
24.00
MIN
24.00
MIN
CBU PEDESTAL
4X 0.50 -
ANCHOR BOLTS
4X 4.50 MIN
i
4X 4.00
8.00 MIN
-*-24.00-
MIN
4.00
CBU OUTLINE
K08I91
BROOM FINISH
4X 0.50 ANCHOR BOLTS,
USE TEMPLATE TO ENSURE ALIGNMENT
CHAMFER EDGES, IN LANDSCAPE AREAS,
TOOL EDGES FLUSH WITH ADJOINING SURFACES
IN PAVED AREAS.
10.00
5.00
T7
_- SLOPE SURFACE 25 INCH PER FOOT
ON ALL SIDES FOR DRAINAGE.
BUTYL RUBBER PAD
(WITH METAL PEDESTAL ONLY)
MATCH EXISTING GRADE IN
PAVED AREAS
SLOPE SURFACE .25 INCH PER FOOT
ON ALL SIDES FOR DRAINAGE
4 RODS ON 14.00 CENTERS MAXIMUM,
EACH WAY
OPTIONAL COMPACT GRAVEL OR
CRUSHED STONE (OMIT WHERE
SOLID ROCK OCCURS)
8.00 MIN MAXIMUM FROST DEPTH
FIRM UNDISTURBED SOIL
OR WELL -COMPACTED FILL
NOTES:
1. CONCRETE SHALL HAVE A COMPRESSIVE STRENGTH OF 3000 PSI @ 28 DAYS, CONTAIN 4% MIN - 6% MAX
AIR ENTRAINMENT AND BE PLACED WITH A 3.50 - 4.50 SLUMP IN ACCORDANCE WITH ACI 301.
2. REINFORCING STEEL RODS SHALL CONFORM TO ASTM A615, GRADE 60.
3. ANCHOR BOLTS SHALL CONFORM TO ASTM A193, GRADE B8M, TYPE 316 STAINLESS STEEL.
15
16 BOX CLUSTER MAILB
UNIT, FACED TO TRAFI
TYPICAL SIZE SHO
(18" DEEP X 30.5" WIC
/
�
/'1
CLUSTER MAIL BOX UNITS
1" - 5'
* TERRAIN
MAX SLOPE
LEVEL
2:1
ROLLING
2:1
HILLY
1-1/2:1
60'
R/W
48'
SLOPE AS REQUIRED
SECTION AA
FIGURE 8 (ALTERNATE)
SYMMETRICAL CUL-DE-SAC
NO CURB & GUTTER
FOP
6' 5' 4'
E3
VAR. 6.0, 8.0, 5.0'
PAVEMENT SHOULDER +3" /FT.
WIDTH WIDTH
+2" /FT.
1 4" /FT. -1/4" /FT. +1" /FT.
-1" /FT.
-2 1 /4" /FT.
5.0'
DRIVEWAY TURNOUT GRADES
SHOULDER SECTION
S�OQ�
I
60' ROW
6' 26' 6' 5'
SHLDR PAVEMENT SHLDR DITC
I
0.08 0.02 I 0.02 0.08
3:1
RESIDENTIAL LOCAL ROAD
TYPICAL SHOULDER SECTION (ALTERNATE)
NTS
2.00" S9.513
* MAX BACKSLOPE:
3:1 SLOPE MAX
ALL ROADSIDE DITCHES
SHALL BE PROPERLY
PROTECTED UNTIL
PERMANENT VEGETATION IS
ESTABLISHED
CSTBC
OR ABC
8" ABC OR
STBC, TYPE B
3" COMPACTED
SUBGRADE - 100%
CTANr1APr1 PPnrTnP
PAVEMENT SECTION
NTS
R/W
R/W
I
60, /W II
I
70.0'
�
I
�
R3 .0'
26' RAVE.
R3 .0'
SIGHT TRIANGLE
o
�(TYP.)
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** o
L-o ---= R/W
15" DRIVE PIPE
EDGE OF PAVEMENT
EDGE OF PAVEMENT
EXISTING ROAD
EDGE OF PAVEMENT
EDGE OF PAVEMENT
** NOTE: DRAINAGE EASEMENTS MAY BE REQUIRED TO ACCOMODATE
DRAINAGE BEYOND THE RIGHT-OF-WAY.
WINDING
CREEK
TRAIL
CONNECTION
NTS
50' PRIVATE ROW
PATTON MILL LANE
CLASS 1 PRIVATE ROAD
I ALL DITCHES SHALL BE
I I I PROPERLY PROTECTED UNTIL
PERMANENT VEGETATION IS
1 12' 1 ESTABLISHED
PAVED APRON
(SEE DETAIL BELOW)
I 0 w I
ICS
I 70.0' SIGHT TRIANGLE
(10'X70' TYP.)
R/W 0 20 MIN. - R/W
�15" DRIVE PIPE
EDGE OF PAVEMENT R20.0' R20.0' EDGE OF PAVEMENT
EXISTING ROAD
EDGE OF PAVEMENT EDGE OF PAVEMENT
NOTE: PERMANENT DRAINAGE EASEMENTS MAY BE REQUIRED
TO ACCOMODATE DRAINAGE BEYOND THE RIGHT-OF-WAY.
S�OQE
7'
SHLDR_
DLH R
8%
2" SF 9.
VAR. - 20'
7' 5'
SHLDR DITC
8%
3:1
\_8" COMPACTED
AGGREGATE BASE COURSE
PATTON MILL LANE CONNECTION
NTS
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DATE: AUGUST 29, 2018
HORIZONTAL SCALE: N/A
VERTICAL SCALE: N/A
PROJECT MANAGER: CPK
DRAWN BY: SCS
PROJECT NO: 17-002
DRAWING NAME: 17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
D400
PRELIMINARY SUBDIVISION PLAN
:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D4.0 Site Details, 2/6/2020 8:54:47 AM

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12"
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DATE:
AUGUST 29, 2018
HORIZONTAL SCALE:
N/A
VERTICAL SCALE:
N/A
PROJECT MANAGER:
CPK
DRAWN BY:
SCS
PROJECT NO:
17-002
DRAWING NAME:
17-002 DETAILS
THIS DRAWING AND THE DESIGN HEREON ARE
THE PROPERTY OF EarthCentric Engineering, Inc.
THE INFORMATION ON THIS DRAWING IS NOT FOR
USE ON ANY OTHER SITE OR PROJECT. THE
REPRODUCTION OR OTHER USE OF THIS
DRAWING IN WHOLE OR IN PART, WITHOUT
WRITTEN CONSENT OF EarthCentric Engineering, Inc.,
IS PROHIBITED.
COPYRIGHT 2020 EarthCentric Engineering, Inc.
SHEET NO.
D 4
o
P:\17-002\17-002 Drawings\7. Rev05\17-002 Details.dwg, D4.1 Trail Details, 2/6/2020 8:54:52 AM
PRELIMINARY SUBDIVISION PLAN