SW7081206_APPROVED PLANS_20090218

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
DOC TYPE
❑ CURRENT PERMIT
�D APPROVED PLANS
<❑ HISTORICAL FILE
❑ . COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

VICINITY MAP
N.T.S.
NOW OR FORMERLY
\ C.L. MCPHERSON HEIRS
& CAROLYN RIGGS
TAX PIN:01-7989-00-38-576
DB. 25 PG. 460
THE ARMY CORPS OF ENGINEERS HAS
VERIFIED THAT THERE WERE NO
JURISDICTIONAL WATERS, INCLUDING
WETLANDS, ON THE SOUTH MILLS
SUBSTATION SITE.
/
I
/r
ji ii ;8• / I < X
10.6
PROPOSED 12"0 X 72'
(CLASS-V) RCP CULVERT _
INLET INVERT = 9.0 / ____-- --
----
OUTLET INVERT = 8.3 Qp/ //'/�/ ,. C- - -
CLASS A RIPRAP
1'-0" THICKNESS
101 X 10'W X 1'I
10
o 9
,
/
o' .3
10. >� ;' 7 6
ZONED R32
NOW OR FORMERLY
JAMES W. BURNHAM JR.
& LYNN H. BURNHAM
TAX PIN:01-7989-00-47-2311-0000
DB. 103 PG. 785
10.?
10.2 10.6
RIPRAP
FOREBAY
A. R}�7NW
6 0
4' X 4' X 4'
CRETE OUTLET BOX30'
O S'�Cii;'' /n /TRASH GUARD\tiTEE INLET ELEV. 9.0 9
�',� t 1 10
� / Y
,n � I 11 X 0
10-IGRASS-LINED CHANNEL 2
USE EXISING FIELD C�\ ,' r89 //�' / 'Q��
ROAD FOR BASIN
MAINTENANCE ACCESS
------------------------
OQ
i
/
o'
10.2
/( %717 io' 10.1 N 22'08'36" W 700.99'I
---------- -
------------
-------------J 9.00--_-----------
10 _DITCH -0.00 ,' '11.00 - ---------- - - -�1T H-------- ___-_-------_ ____--_=- _ _--_==--------- - 1
------------- ----- --
I---
1200--
- -12.00- --- ---- -- -- -------------------
--- ------
------------------13.00------------------------------- -- -----------13.00------ --
----------------------14.00----------------------------- ----------------------CULT-2-------- _ __
RCP CULVERT
_1 5.00 _- _______-__ INVERTS TO MATCH EXISTING DITCH
----------------------------------------------------------------------------- -
------------ - - -
-_---------=---------_ ----- - ---- - - - - - - - =AN15-0EffL-Er_PR0,E(-nOw=- -
12-
13-
10.7
BE
.a.
/ 11
-
�-12
11 11 10.7
12� j
13 '
I
10.9
1010
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12
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--
-- - -- - - --
- - - - - --- -- --
----------------
II
R30
CULVERT 3
PROPOSED 18"0 X 45.0'
!!
N C - 3 4 3
(CLASS-V) RCP CULVERT
- - - - O VERTS'f0-MATCH- EXISTING -DITCH -
- - - - - - - -
,
II
II
O W/INLET
AND OUTLET PROTECTION
TIE LINE
,�
(N 21'37'57" W - 2452.07')
FROM NCGS MONUMENT "BURNHAM"
II
11
EXISTING 18"0 RCP
NCGS PUBLISHED NAD 83
STATE PLANE COORDINATES
CULVERT (FLOWS
FOR "BURNHAM" -
NORTHEAST)
N - 996,023.608 FEET
ROAD R/W
__ _ -- --
-- -- -- - -- -- - --
- - - - - DISMAL SWAMP CANAL BOUNDARY
(*LOCATION APPROXIMATE* PLOTTED FROM REFERENCES)
STORMWATER MANAGEMENT PLAN
POST DEVELOPED
SCALE: 1" = 30'
TOTAL PROPERTY AREA = 3.24 ACRES
APPROXIMATE DISTURBED AREA = 2.62 ACRES
APPROXIMATE IMPERVIOUS AREA = 1.39 ACRES
ADDITIONAL NOTES' LEGEND:
1.
COMBINED FACTOR = 0,999906785
6.
ALL DISTANCES SHOWN ARE GRID DISTANCES.
2.
PROPERTY LINES SHOWN AS BROKEN LINES WERE PLOTTED FROM
7•
MAPPING ANGLE AND INC GRID COORDINATES BASED UPON
REFERENCES SHOWN.
NCGS "BURNHAM" & "SOUTH MILLS".
3.
THIS PROPERTY IS SUBJECT TO ANY AND ALL EASEMENTS,
8.
THIS PLAN WAS PREPARED BY BOOTH & ASSOCIATES, Inc., RALEIGH, NC
COVENANTS, RESTRICTIONS, RIGHT-OF-WAYS OF RECORD,
PHONE # [phone] THE OWNER OF THIS SITE IS ALBEMARLE ELECTRIC
GOVERNMENTAL ORDINANCES AND/OR REQUIREMENTS WHICH
MEMBERSHIP CORPORATION, HERTFORD, NC
MAY EXIST AND LIMIT THE USE OF THIS PROPERTY.
9.
THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO
4.
THIS PLAN DOES NOT CERTIFY LEGAL TITLE TO THE LAND
FEMA FLOOD INSURANCE RATE MAP (3720798900J, PANEL 7989).
ITSELF, OR TO THE BOUNDARIES SHOWN. USERS OF THIS PLAN
SHOULD OBTAIN AN ACCURATE LEGAL OPINION AS TO OWNERSHIP
TO THE BOUNDARIES SHOWN ON THIS PLAT,
5.
ALL AREAS COMPUTED BY COORDINATE COMPUTATION METHOD.
® IRON PIPE OR R00
EXISTING CONTOURS & SPOT ELEVATIONS
x10.2
G CALCULATED POINT
PROPOSED CONTOURS
PROPERTY LINE
PROPOSED 40' ACCESS EASEMENT
H4
S-UNED CHANNEL
WITH &
STRAW NETTING
{
RIGHT-OF-WAY OR EASEMENT
4{l h hh
-- EXISTING A.E.M,C. ELECTRIC LINE
------- MBSL------ MEAN BUILDING SETBACK LINE
ex n
r r;av:
0- SUBSTATION FENCE
(CLASS A) RIPRAP
SUBSTATION STONE
3" CRUSHER RUN BASE AND TOPPED WITH
3" OF 1-1/2" WASHED STONE
PEC
��.
E - 2,784,560.074 FEET
SURVEYED: MAY 7, 2008
GRANTOR: BURNHAM
DISCHARGE (Q)
WET DETENTION BASIN OUTLET:
INFLOW AREA = 1.96 ACRES
Q1.5"
= 0.00 cfs
Q2 =
0.35 cfs
Q10 =
3.81 cfs
CULVERT 1:
Q2 =
0.73 cfs
010 =
1,30 cfs
CULVERT 2:
Q2 = 2.31 cfs
Q10 = 2.49 cfs
CULVERT 3:
Q2 = 1.97 cfs
Q10 = 3.04 cfs
REFERENCES
STORMWATER MANAGEMENT PLAN - PRE -DEVELOPED 447-6483 SM1 OF 2
DRAINAGE AREA 447-6483 DA1-2 OF 2
GRADING AND EROSION CONTROL PLAN/DETAILS 447-6483 GR1-2 OF 2
DEC 1 c 2008
30 15 0 30 60
ADDITIONAL REFERENCES:
STATE HIGHWAY AND PUBLIC WORKS COMMISSION
PROJECT NUMBER 4-405 (MARCH 1955)
447-6483SM1

VICINITY N
N.T.S.
LEGEND:
M.
X10.2
IRON PIPE OR ROD
PROPERTY LINE
EXISTING CONTOURS & SPOT ELEVATIONS
RIGHT-OF-WAY OR EASEMENT
EXISTING A.E.M.C. ELECTRIC LINE
TIME OF CONCENTRATION
DRAINAGE
DA-1 I AREA 1
AREA 2 E DA-4 AREA 4DRAINAGE
DISMAL SWAMP CANAL BOUNDARY
(*LOCATION APPROXIMATE* PLOTTED FROM REFERENCES)
DRAINAGE AREA - POST DEVELOPED
SCALE: i" = 30'
PROPERTY AP.EA: 3.24 ACRES
DISTURBED AREA: 2.62 ACRES
DRAINAGE AREA 1
DRAINAGE AREA = 1.20 ACRES
TIME OF CONCENTRATION (TC) = 5.0 MINUTES
LENGTH = 326 FT.
AVERAGE SLOPE = 0.010 FT/FT
DRAINAGE AREA 2
DRAINAGE AREA = 0.57 ACRES
TIME OF CONCENTRATION (To) = 5.0 MINUTES
LENGTH = 327 FT.
AVERAGE SLOPE = 0.010 FT/FT
DRAINAGE AREA 3
DRAINAGE AREA = 0.19 ACRES
TIME OF CONCENTRATION (TC) = 5.0 MINUTES
LENGTH = 265 FT.
AVERAGE SLOPE = 0.015 FT/FT
DRAINAGE AREA 4
DRAINAGE AREA = 1.28 ACRES
TIME OF CONCENTRATION (Tc) = 61.2 MINUTES
LENGTH = 307 FT.
AVERAGE SLOPE = 0.0015 FT/FT
REFERENCES
DRAINAGE AREA - PRE -DEVELOPED 447-6483 DAi OF 2
GRADING AND EROSION CONTROL PLAN/DETAILS 447-6483 GR1-2 OF 2
STORMWATER MANAGEMENT PLAN 447-6483 SM1-2 OF 2
CONSTRUCTION If
ONRUCTIONIf 30 15 0 30 60
DEC Qou !DEC. ! 5 nob
SURVEYED: MAY 7, 2008
GRANTOR: BURNHAM
447-6483DA1

\EL. it
35.0'
BAFFLE SPACING)
30.0'
\ eTAT/ 1.0' 1.0'
�F[p EL.9 0
(4'L) 4'W X 4'H) CONCRETE RISER BOX
WITH TRASH GUARD
TOP INLET EL. 10
TEMPORARY POOL
EL.9
PER A P 111
VEGETATIVE SHELF
EL. 11.5
*BERM ELEVATION FROM GR1 OF 2
PLUS 6" FOR SETTLEMENT*
10' CLASS A RIPRAP
EL.10 EMERGENCY
EL.9 ,5!1 SPILLWAY
r o 0 0 o y �yyy yyyy y y�y yyyy yy EL. 10
\ \\ \\ \\ \ M NENT OOL
EL.8 4" PVC TEE ^�� /x//��\//\\x\
\\ \\\ SEDIMENT STORAGE 20NE E 6/\!/ \>�\�
/\ \\\ \ \ \ \ \\\ \\\ \AONC -FLOTATION\
RIPRAP FOREBAY TO BE INSTALLE)! // // BLOCK
\\ \\ \\ \\ !ONCE CONSTRUCTION IS COMPLETE \\/\\/
\ \ \ \ AND SITE IS STABILIZED /
/\�\�\ %i�
CROSS SECTION
TRASH GUARD
4"
PVC SCREW
r
TYPE
PLUG
TEMPORARY POOL
r
ELAO
PERMANENT POOL
Z 0
EL.9 T
x N m INLET IN
N 4" PLw
VCP
'13n w U))
�oLw
EL.8
4" PYC CAP
x 0_ W
�a:
W/1.50 HOLE
n
Aix Z
1
�ZoO>
STEEL FENCE POST
VEGETATIVE SHELF
4'X4'X1'
CONCRETE
ANTI —FLOTATION
BLOCK
BARREL 72' X 12"0 RCP (OUTLET
END
DRAIN
WASHED STONE FILTER
ACROSS PIPE INLET HARDWARE CLOTH —
WASHED STONE FILTER INLET PROTECTION
FOR STORM DRAIN UNDER CONSTRUCTION
N.T.S.
WET DETENTION BASIN
DESCRIPTION
#
DESCRIPTION
#
DESCRIPTION
#
LENGTH 0 EL. 9 (FT)
63-142
EMERGE EVATSPNLLWAY IO
10.25
RISER BOX LENGTH (FT.)
4
WIDE 0 EL. 9 (FT)
86
E OVATIIONM
11.5
RISER BOX WIDTH (FT.)
4
BOTTOM ELEVATION
6
PERMANANENT POOL
RISER BOX HEIGHT (FT.)
4
PERMANENT POOL EL.
9
SURFACE AREA (FTZ)
9,104
BARREL DIAMETER (IN)
12
TEMPORARY POOL EL,
10
STORAGE VOLUME (FT3)
11,976
FOUNDATION BLOCK LENGTH (FT.)
4
RISER ELEVATION
10
TEMPORARY POOL
FOUNDATION BLOCK WIDTH (FT.)
4
PVC TEE 0 (IN)
4
SURFACE AREA (FTZ)
13,171
FOUNDATION BLOCK HEIGHT (FT.)
1
PVC CAP HOLE 0 (IN)
1.5
STORAGE VOLUME (FT3)
11,138
FOREBAY RIPRAP HEIGHT (FT.)
4
*MAINTENANCE*
INSPECT TEMPORARY SEDIMENT BASINS AT LEAST WEEKLY AND AFTER EACH SIGNIFICANT (1/2" OR GREATER) RAINFALL EVENT AND
REPAIR IMMEDIATELY. REMOVE SEDIMENT AND RESTORE THE BASIN TO ITS ORIGINAL DIMEN�9ION WHEN IT ACCUMULATES TO ONE-HALF
THE DESIGN DEPTH, PLACE REMOVED SEDIMENT IN AN AREA WITH SEDIMENT CONTROLS. 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 RISER AND POOL AREA.
WET DETENTION BASIN
N.T.S.
OVERFLOW
J Da/3 PIPE
IA.
SUPPORT POST,
SUPPORT ROPE TO 24" INTO BOTTOM
WIRESTOGPR VENT 7 OR SIDE
GIN
SEDIMENT
FENCE
EL.=8.8
EL. 11.5 GRASS —LINED
�> 4.1
% MULCH NETTING ��— 10 0'
OVER FILL 6" FOR SETTLEMENT
EMERGENCY SPILLWAY SECTION
STAKE TO SUPPORT
WIRE
COIR MESH, STAPLED OR
*MAINTENANCE* TRENCHED INTO BOTTOM OR SIDE
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN
o ACCESS TO THE BAFFLES. SHOULD THE FABRIC OF THE BAFFLES COLLAPSE, TEAR, DECOMPOSE, OR BECOME INEFFECTIVE, REPLACE
IT PROPPTLY. 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 HAS BEEN PROPERLY
STABILIZED, REMOVE ALL BAFFLE MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE AND STABILIZE IT.
BAFFLE DETAIL
N.T.S.
�1N
%yo o 2' COARSE
a °
g` AGGREGATE
<a
k �0 a
a:. p.°
.IN L GEOTEXTILE NON —WOVEN FABRIC
18"dia. X APPROPRIATE LENGTH
ti `'• '+, 1t ` (CLASS-5) RCP CULVERT
�1r *MAINTENANCE*
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM
1 LEAVING THE CONSTRUCTION SITE, THIS MAY REQUIRE PERIODIC TOPORESSING
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.
PUBLIC ROAD
18"dla. X APPROPRIATE LENGTH
(CLASS-5) RCP CULVERT 1— GEOTEXTILE NON —WOVEN FABRIC
CONSTRUCTION ENTRANCE/EXIT DETAIL
N.T.S.
STABILIZE
NTH GRAS
12" BED OF COMPACTED
CRUSHER RUN
NATIVE SOIL
SUBGRADE
ELEVATION
6 OZ. NON -WOVEN
GEOTEXTILE FABRIC UNDER
CRUSHER RUN
*MAINTENANCE*
INSPECT CONSTRUCTION ROADS AND PARKING AREAS PERIODICALLY FOR CONDITION OF SURFACE.
TOPDRESS WITH NEW GRAVEL AS NEEDED. CHECK ROAD DITCHES AND OTHER SEEDED AREAS FOR
EROSION AND SEDIMENTATION AFTER RUNNOFF-PRODUCING RAINS. MAINTAIN ALL VEGETATION IN
A HEALTHY, VIGOROUS CONDITION, SEDIMENT -PRODUCING AREAS SHOULD BE TREATED IMMEDIATELY.
SECTION A -A
GRAVEL ACCESS DRIVE
N.T.S.
GRADING AND EROSION CONTROL DETAILS
SCALE: N.T.S.
REFERENCE THE EROSION & SEDIMENT CONTROL PLAN
BOOKLET, SECTION 7: PLANNED EROSION & SEDIMENT
CONTROL PRACTICES FOR CONSTRUCTION SPECIFICATIONS.
MIN. 10 GA.
LINE WILES
1. SET STEEL POSTS 2'-0" DEEP AND EXCAVATE 3. ATTACH THE SILT FENCE GEOTEXTILED
A 4" X 8" TRENCH UPSLOPE ALONG THE LINE FABRIC TO THE SECOND WIRE FROM
OF POSTS. THE TOP ON THE WIRE FENCE AND
EXTEND IT INTO THE TRENCH.
2. ATTACH WIRE FENCING TO 4. THE END OF THE SILT FENCE NEEDS
THE POSTS. TO BE TURNED UPHILL
S. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
PLASTIC OR
WIRE TIES
MIN. 12-1/2 GA.
INTERMIDIATE WIRES
-Ili- ' EXTENSION OF FABRIC AND
ICI' _
II- 8"MIN. WIRE INTO THE TRENCH
/ - ss:<=T-
—III—III I I'T—
*=1�I=1�1=ICI—I�I—
�N. STEEL POST II ==III .11=
FILTER FABRIC *MAINTENANCE* _LII-
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK
AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
BACKFILL TRENCH v/ / / IRE REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A
AND COMPACT \/\\ SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR
THROUGHLY ./ /�jjj/j� /�\//j/ 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. 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,
CONSTRUCTION OF A SILT FENCE
N.T.S.
TEMPORARY LINER; STRAW MULCH HELD
IN PLACE WITH PLASTIC OR JUTE NETTING
ROLL OUT STRIPS OF NETTING PARALLEL TO THE
DIRECTION OF FLOW AND OVER THE PROTECTIVE MULCH.
NOTE: CJ
INSTALLATION OF NETTING & MATTING SHALL BE CONSTRUCTED TO G� �'•
THOSE STANDARDS AND SPECIFICATIONS AS SHOWN ON PAGES 6.14.6
& 6,14.7 OF THE "STATE OF NORTH CAROLINA EROSION AND SEDIMENT 9A JOIN STRIPS BY ANCHORING
CONTROL PLANNING AND DESIGN MANUAL" (PAGES ATTACHED).
AND OVERLAPPING.
MAINTENANCE:
INSPECT ALL MULCHES PERIODICALLY, AND AFTER RAINSTORMS TO CHECK
FOR RILL EROSION, DISLOCATION OR FAILURE. WHEN EROSION IS OBSERVED
APPLY ADDITIONAL MULCH. IF WASHOUT OCCURS, REPAIR THE SLOPE GRADE,
RE -SEED AND REINSTALL MULCH. CON71NUE INSPECTIONS UNTIL VEGETATION
IS FIRMLY ESTABLISHED.
INSTALLATION OF NETTING & MULCH
1'Icr . _ 2uQ�3
r.•
REFERENCES
GRADING AND EROSION CONTROL PLAN 447-6483 GR1 OF 2
DRAINAGE AREA 447-6483 DA1-2 OF 2
STORMWATER MANAGEMENT PLAN 447-6483 SM1-2 OF 2
N.T.S.
T
SLOPE
E: D M�
V V V V W V W V V V W V V V V V Vim'
B — E
GRASS—UNED CHANNEL OMIENSION CHART
CHANNEL III
T
D
B
E
SLOPE
1
9'
1'
3'
10'
3: 1
2
23'
1'
g
3'-NORTH BERM
10'-SOUTH BERM
3:1-NORTH BERM
10:1-SOUTH BERM
*MAINTENANCE*
DURING THE ESTABLISHMENT PERIOD, CHECK GRASS -LINED CHANNELS AFTER EVERY RAINFALL. AFTER
GRASS IS ESTABLISHED, PERIODICALLY CHECK THE CHANNEL; CHECK IT AFTER EVERY HEAVY RAINFALL
EVENT. IMMEDIATELY MAKE REPAIRS. IT IS PARTICULARLY IMPORTANT TO CHECK THE CHANNEL OUTLET
AND ALL ROAD CROSSINGS FOR BANK STABILITY AND EVIDENCE OF PIPING OR SCOUR HOLES. REMOVE
ALL SIGNIFlCANT SEDIMENT ACCUMULATIONS TO MAINTAIN THE DESIGNED CARRYING CAPACITY. KEEP
THE GRASS IN A HEALTHY VIGOROUS CONDITION AT ALL TIMES, SINCE IT IS THE PRIMARY EROSION
PROTECTION FOR THE CHANNEL,
GRASS -LINED CHANNELS WITH NETTING
N.T.S.
TING IN
I
DEC 16 2008
IT/ —VTV ✓VI\ 1

NOTES:
VICINITY MAP
N.T.S.
NOW OR FORMERLY
\ C.L. MCPHERSON HEIRS
CAROLYN RIGGS
TAX PIN: 01-7989-00-38-5764-0000
DB. 25 PG. 460
PROPOSED 12"0 X 72'
(CLASS-V) RCP CULVERT
INLET INVERT = 9.0
OUTLET INVERT = 8.3
CLASS A RIPRAP
1'-0" THICKNESS
1O'L X 10'W X 1't
i
I' 1(0100
' o
i
,'f 0' CCA�
�All� A /RIPRAP 8
4' X V X 4' TEMPORARY
Q i / NCRETE OUTLET BOX BAFFLES
W/TRASH GUARD
PVC TEE INLET ELEV. = 9.0
0
�G.Z r A lei 11 1
11
\ X 0.
/�� 10.1
USE EXISING FIELD �`�Q 9'/ .Q i / Qo 0
ROAD FOR BASIN
'' , ��✓ / /�� I GRASS -LINED
MAINTENANCE ACCESS i��� / �g I CHANNEL 2
/ -
0
'' Z_ Q- - - - - - - -
y
' �°,
i
d ' i lq O
i
, QQ�
i
/ i/Sv4., X 10.2 I 11-
J�! 10.1
N 22°08'36" W 700.99'I
�. DITCH �( a.:..._a._ :..
CULVERT 2
PROPOSED 18"0 X 45,0'
INVERTS TO MATCH EXISTING DITCH
W/INLET AND OUTLET PROTECTION
N C. Gw'D
/V
ZONED R32
NOW OR FORMERLY
JAMES W. BURNHAM JR.
& LYNN H. BURNHAM
TAX PIN:01-7989-00-47-2311-0000
1u DB. 103 PG. 785
10.2 10.6 10.7
S 22'16'59" E 478.88'
10.2
" 12-
0
�13 1
16' X 24'
CONTROL
HOUSE
1
10.4 0.5
me
m
0
�.
� 1��
0.4 X
10.5 Z 10.7
O
0
In
Z
75MBSL-------- - - - - - - - - - - - - - <- - - - - - - - - -
OUTLET INVERT CD
ELEV.=10.0' CULVERT 1 Z
12"0 X 40'
(CLASS-V) RCP CULVERT 00
W/ INLET & OUTLET PROTECTION GRASS -LINED U
�ELEV,=10.25
CHANNEL 1 Z
\ INLET INVERT
I I
T--�
�12-t
I I
I I
I
0 mm nnn iiii
10.9
1,12 .�.T�-
-- - i-
I i R30
I I
2
2-
13
I
I
I I
✓-/
R30 _'N CULVERT 3
11 Of PROPOSED 18"0 X 45.0'
NC-343' ,i - - - -
i
I I
II EXISTING 18"0
I! RCP CULVERT
11 (FLOWS NORTHEAST)
ROAD R/W
- - _ - - - - -
- - - - - -
- - - - - - DISMAL SWAMP CANAL BOUNDARY
(*LOCATION APPROXIMATE* PLOTTED FROM REFERENCES)
1. COMBINED FACTOR - 0.999906785
2. PROPERTY LINES SHOWN AS BROKEN LINES WERE PLOTTED FROM
REFERENCES SHOWN,
3. THIS PROPERTY IS SUBJECT TO ANY AND ALL EASEMENTS,
COVENANTS, RESTRICTIONS, RIGHT-OF-WAYS OF RECORD,
GOVERNMENTAL ORDINANCES AND/OR REQUIREMENTS WHICH
MAY EXIST AND LIMIT THE USE OF THIS PROPERTY.
4. THIS PLAN DOES NOT CERTIFY LEGAL TITLE TO THE LAND
ITSELF, OR TO THE BOUNDARIES SHOWN. USERS OF THIS PLAN
SHOULD OBTAIN AN ACCURATE LEGAL OPINION AS TO OWNERSHIP
TO THE BOUNDARIES SHOWN ON THIS PLAT,
S. ALL AREAS COMPUTED BY COORDINATE COMPUTATION METHOD.
LEGEND:
6. ALL DISTANCES SHOWN ARE GRID DISTANCES.
7, MAPPING ANGLE AND NC GRID COORDINATES BASED UPON
NCGS "BURNHAM" & "SOUTH MILLS". °
8. THIS PLAN WAS PREPARED BY BOOTH & ASSOCIATES, Inc., RALEIGH, NC _
PHONE # [phone]; THE OWNER OF THIS SITE IS ALBEMARLE ELECTRIC
MEMBERSHIP CORPORATION, HERTFORD, NC
9. THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO
FEMA FLOOD INSURANCE RATE MAP (3720798900J, PANEL 7989). -- - --
-------MBSL
IRON PIPE OR ROD
CALCULATED POINT
PROPERTY LINE
PROPOSED 40' ACCESS EASEMENT
RIGHT-OF-WAY OR EASEMENT
EXISTING A.E.M.C. ELECTRIC LINE
MINIMUM BUILDING SETBACK LINE
SUBSTATION FENCE
GRADING AND EROSION CONTROL PLAN
SCALE: 1" = 30'
DISTURBED AREA = 2.62 ACRES
EXISTING CONTOURS & SPOT ELEVATIONS
X10.2
PROPOSED CONTOURS
CHANNEL
WITH STRAWD& NETTING
-
SILT FENCING
TEMPORARY BAFFLES
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O INVERTS TO MATCH EXISTING DITCH/
0 W/INL.ET AND OUTLET PROTECTION
501 X 20-W
TEMPORARY SEEDING:
1. a) SEED MIXTURE (SUMMER) - USE 401b/ACRE GERMAN MILLET.
b) SEED MIXTURE (FALL) - USE 1201b/ACRE RYE (GRAIN).
c) SEED MIXTURE (LATE WINTER/EARLY SPRING) - USE 1201b/ACRE RYE
(GRAIN) AND 501b/ACRE KOBE ANNUAL LESPEDEZA.
2. LIME - APPLY 20001b/ACRE GROUND AGRICULTURAL LIMESTONE AND
7501b/ACRE 10-10-10 FERTILIZER.
3. MULCH - APPLY 40001b/ACRE STRAW. ANCHOR STRAW BY TACKING WITH
ASPHALT, NETTING, OR MULCH ANCHORING TOOL
PERMANENT SURFACE STABILIZATION:
1, SEED MIXTURE (FEB.15 TO APR.30 & SEPT,1 TO OCT.31) - USE 801b/ACRE TALL
FESCUE, 501b/ACRE PENSACOLA BAHIAGRASS, 301b/ACRE SERICEA LESPEDEZA,
101b/ACRE KOBE LESPEDEZA.
2. LIME - APPLY 40DOlb/ACRE GROUND AGRICULTURAL LIMESTONE AND 10001b/
ACRE 10-10-10 FERTILIZER.
3. MULCH - APPLY 40001b/ACRE STRAW. ANCHOR STRAW RY TACKING WITH
ASPHALT, ROVING, OR NETTING.
4. SEEDBED PREPARATION AND MAINTENANCE - LOOSEN SOIL JUST PRIOR TO
SEEDING BY DISKING, RAKING, HARROWING, OR AN EQUALLY SUITABLE METHOD.
ALL SEEDED AREAS WILL BE FERTILIZED, RESEEDED AS NECESSARY AND
MULCHED.
5, INSTALL APPLICABLE E&S CONTROL MEASURES PRIOR TO ONSET OF ANY
DEMOLITION OR LAND DISTURBING ACTIVITIES. DISTURB ONLY WHAT IS
NECESSARY TO INSTALL APPUCABLE E&S CONTROL MEASURES. VEGETATION TO
BE ESTABLISHED ON SLOPES OR OTHER AREAS WITHIN 21 CALENDAR DAYS OF
COMPLETION FOR ANY PHASE OF GRADING ACTIVITIES.
El
--
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VEGETATIVE SHELF
1.
INSTALL IRIS VIRGINICA (SOUTHERN BLUE FLAG IRIS) OR ANY LOCAL
AQUATIC PLANT THAT IS DEEMED SUITABLE BY NCDENR. CONSULT WITH
LOCAL LANDSCAPER FOR APPROPRIATE PLANTING METHODS.
-
CONSTRUCTION SEQUENCE:
1.
OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS. CONTACT WASHINGTON
REGIONAL OFFICE LAND QUALITY AT [phone] PRIOR TO BEGINNING CONSTRUCTION.
2.
INSTALL STORMWATER INSPECTION BOX WITH RAIN GAUGE, STORMWATER INSPECTION
REPORT, AND A COPY OF THE PERMITS.
1
B
3.
FLAG CONSTRUCTION LIMITS AND CLEAR WHAT IS NECESSARY TO INSTALL SILT FENCING.
4.
INSTALL CONSTRUCTION ENTRANCES AND ROADSIDE CULVERTS WITH INLET
AND OUTLET PROTECTION.
5.
CLEAR WHAT IS NECESSARY TO INSTALL THE TEMPORARY SEDIMENT BASIN, TEMPORARY
BAFFLES, AND GRASS -LINED CHANNELS.
6.
ONCE THE TEMPORARY SEDIMENT BASIN AND GRASS -LINED CHANNELS ARE STABILIZED
AND OPERATIONAL, COMPLETE THE REMAINDER OF THE SITE CLEARING. TOPSOIL AND
DEBRIS SHALL BE TEMPORARILY STOCKPILED WITHIN THE CONSTRUCTION UMITS. THE
3
STOCKPILE LOCATION SHALL BE SURROUNDED ON THREE (3) SIDES BY SILT FENCE WITH
ONE (1) SIDE OPEN TO EARTH MOVING EQUIPMENT, THE OPEN SIDE SHALL BE ORIENTED
IN A DIRECTION THAT DOES NOT ALLOW RUNOFF TO ESCAPE THE SILT FENCING. REMOVAL
OF THE STOCKPILE SHALL BE TO A NORTH CAROUNA DEPARTMENT OF ENVIRONMENT
AND NATURAL RESOURCES (NCDENR) PERMITTED LOCATION.
N
W
7.
INSTALL THE REMAINING EROSION CONTROL MEASURES AND ROUGHEN GRADE SITE
N
1"1
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PRIOR TO THE ONSET OF OF LAND DISTURBING (INCLUDING DEMO) ACTIVITIES,
DISTURB ONLY WHAT IS NECESSARY TO INSTALL THESE MEASURES.
8.
COMPLETE GRADING AND VEGETATE AND MULCH IMMEDIATELY,
X 9.
FINALIZE THE INSTALLATION OF THE ACCESS DRIVES AND STABILIZE ALL DISTURBED
1 D.8
AREAS BY SEEDING AND MULCHING.
10.
ALL EROSION AND SEDIMENT CONTROL PROPERTIES WILL BE INSPECTED
WEEKLY AND AFTER EACH SIGNIFICANT RAINFALL EVENT. NEEDED REPAIRS
WILL BE MADE IMMEDIATELY WEEKLY AND AFTER EACH SIGNIFICANT
RAINFALL EVENT.
11.
AFTER THE SITE IS STABILIZED, REMOVE ALL TEMPORARY SEDIMENT CONTROL
MEASURES, STABILIZE THE DISTURBED AREAS APPROPRIATELY AND INSTALL
PERMANENT VEGETATION ON THE DISTURBED AREAS. THE PERIMETER SILT FENCING
SHALL REMAIN UNTIL PERMANENT VEGETATION IS ESTABLISHED. THE TEMPORARY
SEDIMENT BASIN WILL BE CONVERTED INTO A PERMANENT WET -DETENTION
BASIN BY REMOVING THE COIR-MESH BAFFLES, REMOVING ACCUMULATED SEDIMENT
TO RESTORE THE BASIN TO ITS ORIGINAL DIMENSIONS AND INSTALL THE VEGETATIVE
SHELF AND RIPRAP FOREBAY. THE VEGETATIVE SHELF WILL BE PLANTED WITH THE
SPECIES NOTED IN THE OUTLINED VEGETATIVE SHELF NOTES ABOVE. ALL
ACCUMULATED SEDIMENT WILL BE REMOVED OFF SITE TO A (NCDENR) PERMITTED
LOCATION.
12.
ESTIMATED TIME BEFORE FINAL STABILIZA11ON - FIVE (5) MONTHS.
10. y GRADING AND BACMLL MATERIAL:
1,
PROPOSED CONTOURS REPRESENT SUBGRADE ELEVATIONS.
2.
ALL GRADED AREA WITHIN NEW FENCE SHALL RECEIVE 6" OF STONE
10
'`'
(3" CRUSHER RUN AND 3" OF 1 1/2" WASHED STONE), TO BE
PROVIDED BY OTHERS.
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ARD
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. ALL VEGETATION AND DEBRIS SHALL BE REMOVED FROM THE
- ---
- --- CONSTRUCTION AREA, SUBGRADE SOILS SHALL BE FREE OF ORGANIC
R30
---
I
MATERIAL AND COMPACTED PRIOR TO THE PLACEMENT OF FILL MATERIAL.
\
4. ALL FILL MATERIAL USED AT THE SITE SHALL UTILIZE A LOW PLASTICITY
SOIL (LIQUID LIMIT LESS THAN 50, PLASTICITY INDEX LESS THAN 25),
FREE OF ORGANIC MATERIAL OR DEBRIS.
5. THE GRADING CONTRACTOR SHALL BE RESPONSIBLE FOR HIRING A
,._,.�;�>�.a_.,.
REPUTABLE GEOTECHNICAL ENGINEERING FIRM. APPROVED BY THE
- - „•
OWNER OR ENGINEER, TO PERFORM LABORATORY AND FIELD TESTING
OF BACKFILL MATERIAL AT THE CONTRACTOR'S EXPENSE.
TIE LINE
PROITM COMPACTION 1E57 SHALL BE PERFORMED BY THE
'" 2452.0T) 6. A STAND
(N 213T57W - APPROVED GEOTECHNICAL ENGINEERING FIRM ON THE MATERIAL TO BE
FROM NCGS MONUMENT "BURNHAM" FREE OF ORGANIC MATERIAL OR DEBRIS,
NCGS PUBLISHED NAD 83
STATE PLANE COORDINATES FOR 'BURNHAM" -
7, ALL FILL MATERIAL SHALL BE PLACED IN LIFTS NOT TO EXCEED 12".
N - 996,023.608 FEET
E - 2,784,560.074 FEET 8. FIELD COMPACTION TESTS SHALL BE TAKEN BY THE GEOTECHNICAL
ENGINEERING FIRM FROM EACH FILL VOLUME MEASURING 2000ft2
MAXIMUM x 1
9. ALL FILL AREAS SHALL BE COMPACTED TO AT LEAST 95% OF THE
STANDARD PROCTOR MAXIMUM DRY DENSITY,
70. CONTRACTOR IS RESPONSIBLE TO VERIFY LOCATION OF UNDERGROUND
FACILITIES PRIOR TO CONSTRUCTION.
NORTH CAROLINA ENVIR_`NMENIAL
MANAGEMENT COMMISSION REFERENCES
DIVISION OF WATER QUALITY
I l 2U1. GRADING AND EROSION CONTROL DETAILS 447-6483 GR2 OF 2
Date- DRAINAGE AREA 447-6483 DAI-2 OF 2
lL 88 (2C,� STORMWATER MANAGEMENT PLAN 447-6483 SM1-2 OF 2
StormWater Permfl No1L
30 is 0 30 60
SURVEYED: MAY 7, 2008
GRANTOR: BURNHAM DEC 5 21111b
ADDITIONAL REFERENCES:
STATE HIGHWAY AND PUBLIC WORKS COMMISSION
PROJECT NUMBER 4-405 (MARCH 1955)