SW7110304_HISTORICAL FILE_20110502

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW_Il/ e:54
DOC TYPE
❑ CURRENT PERMIT
❑ APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE`J11�j
YYYYMMDD
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DRAINAGE AREA MAP POST —DEVELOPED
SCALE: 1 "=30'-O"
PROPERTY AREA = 1.75 ACRES
IMPERVIOUS AREA = 0.81 ACRES
30 0 30 60 90
GRAPHIC SCALE - FEET
VICINITY MAP
NTS
DRAINAGE AREA 1 (DA-1)
DRAINAGE AREA = 1.28 ACRES
TIME OF CONCENTRATION (Tc) = 2.4 MINUTES
LENGTH = 205'
AVERAGE SLOPE = 0.0100 (ft/ft)
DRAINAGE AREA 2 (DA-2;
DRAINAGE AREA = 0.47 ACRES
NOTES:
1. 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.
2. THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO FEMA
FLOOD INSURANCE RATE MAP (3720646000K PANEL 6460)
BOUNDARY AND TOPOGRAPHIC SURVEY PERFORMED BY:
JAMES C. SIMMONS, JR. - PLS # 3992
JAMES C. SIMMONS AND ASSOCIATES
PROFESSIONAL LAND SURVEYORS
603 WEBB BOULEVARD
HAVELOCK, NC 28532
[phone]
SEASONAL HIGH WATER TABLE
1. S.H.W.T ELEVATION = 6" (INFORMATION BASED ON SOIL BORINGS PERFORMED BY
GEOTECHNOLOGIES, INC. AND FIELD OBSERVATIONS BY BOOTH & ASSOCIATES, INC.)
REFERENCES
GRADING & EROSION CONTROL PLAN/DETAILS
STORMWATER MANAGEMENT PLAN
DRAINAGE AREA MAP - PRE -DEVELOPED
APPROVED
NORTH CAROLINA ENVIRONMENTAL
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
202
3086836GR1 (GR1 OF 2 / GR2 OF 2) Sto mv:a!er PrrmR Nab=�� I I J" `1
3086836SM1 (SM1 OF 2 / SM2 OF 2)
3086836DAl (DA1 OF 2)
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DB. 358 PG. 457 — TRACT TWO
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(J.V BLADES TRACT)
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DB. 358 PG. 457 — TRACT TWO
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(J.V BLADES TRACT)
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POWER LINES
RIGHT—OF—WAY
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DRAINAGE AREA MAP PRE —DEVELOPED
SCALE: 1 "=30'-0"
PROPERTY AREA = 1.75 ACRES
IMPERVIOUS AREA = 0.00 ACRES
30 0 30 60 90
GRAPHIC SCALE - FEET
VICINITY MAP
NTS
DRAINAGE AREA 1 (DA-1)
DRAINAGE AREA = 1.75 ACRES
TIME OF CONCENTRATION (Tc) = 49.8 MINUTES
LENGTH = 330'
AVERAGE SLOPE = 0.0074 (ft/ft)
NOTES:
1. 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.
2. THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO FEMA
FLOOD INSURANCE RATE MAP (3720646000K PANEL 6460)
BOUNDARY AND TOPOGRAPHIC SURVEY PERFORMED BY:
JAMES C. SIMMONS, JR. — PLS # 3992
JAMES C. SIMMONS AND ASSOCIATES
PROFESSIONAL LAND SURVEYORS
603 WEBB BOULEVARD
HAVELOCK, NC 28532
[phone]
SEASONAL HIGH WATER TABLE
1. S.H.W.T ELEVATION = 6" (INFORMATION BASED ON SOIL BORINGS PERFORMED BY
GEOTECHNOLOGIES, INC. AND FIELD OBSERVATIONS BY BOOTH & ASSOCIATES, INC.)
REFERENCES
GRADING & EROSION CONTROL PLAN/DETAILS
STORMWATER MANAGEMENT PLAN
DRAINAGE AREA MAP — POST —DEVELOPED
3086836GR1 (GR1 OF 2 / GR2 OF 2)
3086836SM1 (SM1 OF 2 / SM2 OF 2)
3086836DAl (DA2 OF 2)
APPROVEDS 1>
NORTH CAROLINA ENVIRONMENTAL.
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
Data — 20_�
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(J.V BLADES TRACT)
MB. 1 PG. 193
CAUTION - ENERGIZED
OVERHEAD ELECTRIC LINES
CCEC 12.47kV DISTRIBUTION
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P- PROPERTY
LINE
RIPRAP
FOREBAY
Qo PROPERTY
CORNER
WASHED
STONE
R/W
DITCH CENTERLINE
ROAD CENTERLINE
PROPOSED SUBSTATION
FENCE
EXISTING CONTOURS
PROPOSED CONTOURS
EXISTING OVERHEAD
POWER LINES
RIGHT-OF-WAY
per FILTER INLET
PROTECTION
PROPOSED ELECTRIC
STRUCTURES
VEGETATIVE SHELF
CULVERT 1
18'0 X 50'L CLASS-5 RCP
INSTALL WASHED STONE FILTER INLET PROTECTION
INLET INVERT = EL 21.1
OUTLET INVERT - EL 21.0
MAINTENANCE ACCESS DRIVE
RIPRAP FOREBAY
N/F
AARON GOODING
DB. 592 PG. 503
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VEGETATIVE SHELF
CAPPED 6*0 PVC DRAIN PIPE
EMERGENCY SPILLWAY W/ GRASS FILTER STRIP
STABILIZED W/ STRAW AND NETTING
CAUTION - ENERGIZED
-OVERHEAD ELECTRIC LINES
CCEC 12.47kV DISTRIBUTION
�3 0
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+Nf 1g5�Rj �.,._<,'".. '•�-..,," 220 AfGNf SUS FORESTRY SERVICE
18. � X �, �.,.. 22.0 / TRACT 9
A � 22. s
M' �IFpS��' R P"mar 220
n�CP \\ 3 s
PA \ N Ari
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SUBSTATION GRAVELLED AREA
CLASS B RIPRAP
STORMWATER MANAGEMENT PLAN
POST -DEVELOPED SITE
SCALE: 1 "=30'-O"
PROPERTY AREA = 1.75 ACRES
IMPERVIOUS AREA = 0.81 ACRES
30 0 30 60 90
GRAPHIC SCALE - FEET
VICINITY MAP
NTS
DISCHARGE (Q)
GRASS -LINED CHANNEL 1
Q1.5" = 0.34 cfs
Q2 = 4.66 cfs
Q10 = 9.19 cfs
CULVERT 1
Q1.5" = 0.24 cfs
Q2 = 4.66 cfs
Q10=9.19cfs
NET DETENTION BASIN OUTLET
INFLOW AREA = 1.28 ACRES
Q1.5" = 0.01 cfs
Q2 = 0.06 cfs
Q10 = 0.40 cfs
VEGETATIVE SHELF PLANTING SCHEDULE:
PERMANENT POOL (ELEVATION 20.0 TO 20.5)
1. SHALLOW WATER PLANT SPECIES' - IRIS VIRGINICA (SOUTHERN BLUE FLAG IRIS), ZIZANIOPSIS MILIACEA
(GIANT CUTGRASS), PONTEDERIA CORDATA (PICKEREL WEED).
2. QUANTITY - 500 PLANTS (167 PLANTS OF EACH SPECIES LISTED ABOVE)
3. SIZE - MINIMUM OF 4 CUBIC -INCH CONTAINER
4. SPACING - 1.5 FEET ON CENTER (RECOMMENDED)
2.0 FEET ON CENTER (MAXIMUM)
PLANT SPECIES MUST BE ALTERNATED IN EACH ROW.
TEMPORARY POOL (ELEVATION 20.5 TO 21.0)
1. SHALLOW LAND PLANT SPECIES* - ASCLEPIAS INCARNATA (SWAMP MILKWEED), CAREX TENERA (QUILL SEDGE),
CHELONE GLABRA (WHITE TURTLEHEAD).
2. QUANTITY - 500 PLANTS (167t PLANTS OF EACH SPECIES LISTED ABOVE)
3. SIZE - MINIMUM OF 4 CUBIC -INCH CONTAINER
4. SPACING - 1.5 FEET ON CENTER (RECOMMENDED)
2.0 FEET ON CENTER (MAXIMUM)
PLANT SPECIES MUST BE ALTERNATED IN EACH ROW.
• CONTACT LOCAL LANDSCAPER TO VERIFY PLANT APPROPRIATENESS AND AVAILABILITY. ALTERNATE NCDENR APPROVED SPECIES
CAN BE FOUND IN THE NCDENR STORMWATER BMP MANUAL, PAGE 9-19, CHAPTER REVISED 07-10-09. IF A SPECIES IS
RECOMMENDED AND IS NOT ON THE APPROVED LIST, CONTACT THE ENGINEER PRIOR TO INSTALLATION.
NOTES:
1. 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.
2. THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO FEMA
FLOOD INSURANCE RATE MAP (3720646000K PANEL 6460)
3. THERE ARE NO JURISDICTIONAL WATERS, INCLUDING WETLANDS, ON THE SITE.
BOUNDARY AND TOPOGRAPHIC SURVEY PERFORMED BY:
JAMES C. SIMMONS, JR. - PLS # 3992
JAMES C. SIMMONS AND ASSOCIATES
PROFESSIONAL LAND SURVEYORS
603 WEBB BOULEVARD
HAVELOCK, NC 28532
('252) 447-1509
SEASONAL HIGH WATER TABLE
hPrluvr0 '
1. S.H.Wi ELEVATION = 6" (INFORMATION BASED ON SOIL BORINGS PERFORMED BY
NORTH CAROLINA ENVIRONMENTAL
GEOTECHNOLOGIES, INC. AND FIELD OBSERVATIONS BY BOOTH & ASSOCIATES, INC.)
MANAGEMENT COMMISSION
DIVISION OF WATER QUALITY
REFERENCES
1�tt I!
Date 20
GRADING & EROSION CONTROL PLAN/DETAILS '3081 (1 OF 2 / GR2 OF 2)
I1 =
Sto.,.;:,•,,•1;. PeintNe.=` t
STORMWATER MANAGEMENT PLAN 3086836SM1 (SM1 OF 2)
~
DRAINAGE AREA MAP - PRE -DEVELOPED 3086836DAl (DA1 OF 2 / DA2 OF 2)
.APR 2 5 2011
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LEGEND
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DB. 358 PG. 457 — TRACT TWO
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(J.V BLADES TRACT)
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ED PROPERTY LINE PRE —DEVELOPED SITE
SCALE: 1"=30'—O"
Q PROPERTY CORNER
PROPERTY AREA = 1.75 ACRES
IMPERVIOUS AREA = 0.00 ACRES
DITCH CENTERLINE
30 0 30 60 90
ROAD CENTERLINE
GRAPHIC SCALE - FEET
R/W
EXISTING CONTOURS
PROPOSED CONTOURS
EXISTING OVERHEAD
POWER LINES
RIGHT—OF—WAY
N/F
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DB. 592 PG. 503
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VICINITY MAP
NTS
DISCHARGE
Q1.5" = 0.14 cfs
Q2 = 2.26 cfs
010 = 4.49 cfs
SOIL TYPE
Ly — LYNCHBURG FINE SANDY LOAM (ENTIRE SITE)
:REFERENCE USDA NRCS SOILS REPORT IN EXHIBIT
8 OF THE STORMWATER MANAGEMENT PLAN
NOTES:
1. 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.
2. THIS PARCEL IS NOT LOCATED WITHIN A FLOOD HAZARD AREA ACCORDING TO FEMA
FLOOD INSURANCE RATE MAP (3720646000K PANEL 6460)
3. THERE ARE NO JURISDICTIONAL WATERS, INCLUDING WETLANDS, ON THE SITE.
BOUNDARY AND TOPOGRAPHIC SURVEY PERFORMED BY:
JAMES C. SIMMONS, JR. — PLS # 3992
JAMES C. SIMMONS AND ASSOCIATES
PROFESSIONAL LAND SURVEYORS
603 WEBB BOULEVARD
HAVELOCK, NC 28532
[phone]
SEASONAL HIGH WATER TABLE
1. S.H.W.T ELEVATION = 6" (INFORMATION BASED ON
SOIL BORINGS PERFORMED
BY
GEOTECHNOLOGIES, INC. AND FIELD OBSERVATIONS
BY BOOTH & ASSOCIATES,
INC.)
P DPROVED
NORTH �,-.ROLINA ENVIRONMENTAL
MANA3EMENTCOMMISSION
-
DIVISION OF WATER QUALITY
REFERENCES
Dare 20i 1
SRADING & EROSION CONTROL PLAN/DETAILS
3086836GR1 (GR1 OF
2 / GR2 OF
2)
STORMWATER MANAGEMENT PLAN — POST —DEVELOPED
3086836SM1 (SM2 OF
2)
DRAINAGE AREA MAP
3086836DAl (DA1 OF
2 / DA2 OF
2) 3 2011
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DB. 358 PG. 457 - TRACT TWO
FORMERLY NORTH CAROLINA PULP COMPANY
(J.V BLADES TRACT)
MB. 1 PG. 193
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PROPOSED SUBSTATION
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EXISTING CONTOURS
PROPOSED CONTOURS
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POWER LINES
RIGHT-OF-WAY
TEMPORARY BAFFLES
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DB. 358 PG. 457 - TRACT TWO
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(J.V BLADES TRACT)
MB. 1 PG. 193
A ^A E
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CULVERT 1
IWO X 50'L CLASS-5 RCP (PHASE 1)
INSTALL WASHED STONE FILTER INLET PROTECTION
INLET INVERT - EL 21.1
OUTLET INVERT - EL 21.0
MAINTENANCE ACCESS DRIVE
RIPRAP FOREBAY (PHASE II)
(SEE GR2 FOR LOCATION)
TEMPORARY BAFFLES (PHASE 1)
(SEE GR2 FOR LOCATION)
VEGETATIVE SHELF (PHASE 11)
SKIMMER DEVICE PHASE I
(SEE GR2 FOR INVERTS)
EMERGENCY SPILLWAY W/ GRASS FILTER STRIP
STABILIZED W/ STRAW AND NETTING (PHASE 1)
22 CAUTION ENERGIZED
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OVERHEAD ELECTRIC LINES
' CCEC 12.47kV DISTRIBUTION
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"'' ENTRANCE
SUBSTATION
GRAVELLED AREA
CLASS B RIPRAP
ADDITIONAL BASIN
DEPTH TO BE DUG
DURING PHASE II
OF CONSTRUCTION
GRADING AND EROSION CONTROL PLAN
SCALE: 1"-30'-0"
PROPERTY 4REA = 1.75 ACRES
APPROXIMATE DISTJRBED AREA = 1.76 ACRES
IMPERVIOUS AREA = 0.81 ACRES
30 0 30 60 90
GRAPHIC SCALE - FEET
REFERENCES
NOTES:
TEMPORARY SEEDING:
1. a) SEED MIXTURE (MAY TO AUGUST) - USE 401b/ACRE GERMAN MILLET.
b) SEED MIXTURE (JANUARY TO MAY, AUGUST TO DECEMBER) - USE 1201b/ACRE RYE (GRAIN).
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 - USE 2001b/ACRE TALL FESCUE, 101b/ACRE RYE (GRAIN)
2. LIME - APPLY 40001b/ACRE GROUND AGRICULTURAL LIMESTONE AND 10001b/ACRE 10-10-10 FERTILIZER.
3. MULCH - APPLY 40001b/ACRE STRAW. ANCHOR STRAW BY 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 APPLICABLE 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. INSTALL
PERMANENT GROUND COVER FOR ALL DISTURBED AREAS WITHIN 15 WORKING DAYS OR 90 CALANDER DAYS
(WHICHEVER IS SHORTER) FOLLOWING COMPLETION OF CONSTRUCTION DEVELOPMENT.
VEGETATIVE SHELF PLANTING SCHEDULE:
PERMANENT POOL (ELEVATION 20.0 TO 20.5)
1. SHALLOW WATER PLANT SPECIES* - IRIS VIRGINICA (SOUTHERN BLUE FLAG IRIS), ZIZANIOPSIS MILIACEA
(GIANT CUTGRASS), PONTEDERIA CORDATA (PICKEREL WEED).
2. QUANTITY - 500 PLANTS (167 PLANTS OF EACH SPECIES LISTED ABOVE)
3. SIZE - MINIMUM OF 4 CUBIC -INCH CONTAINER
4. SPACING - 1.5 FEET ON CENTER (RECOMMENDED)
2.0 FEET ON CENTER (MAXIMUM)
PLANT SPECIES MUST BE ALTERNATED IN EACH ROW.
TEMPORARY POOL (ELEVATION 20.5 TO 21.0)
1. SHALLOW LAND PLANT SPECIES' - ASCLEPIAS INCARNATA (SWAMP MILKWEED), CAREX TENERA (QUILL SEDGE),
CHELONE GLABRA (WHITE TURTLEHEAD).
2. QUANTITY - 500 PLANTS (167t PLANTS OF EACH SPECIES LISTED ABOVE)
3. SIZE - MINIMUM OF 4 CUBIC -INCH CONTAINER
4. SPACING - 1.5 FEET ON CENTER (RECOMMENDED)
2.0 FEET ON CENTER (MAXIMUM)
PLANT SPECIES MUST BE ALTERNATED IN EACH ROW.
• CONTACT LOCAL LANDSCAPER TO VERIFY PLANT APPROPRIATENESS AND AVAILABILITY. ALTERNATE NCDENR APPROVED SPECIES
CAN BE FOUND IN THE NCDENR STORMWATER BMP MANUAL, PAGE 9-19, CHAPTER REVISED 07-10-09. IF A SPECIES IS
RECOMMENDED AND IS NOT ON THE APPROVED LIST, CONTACT THE ENGINEER PRIOR TO INSTALLATION.
CONSTRUCTION SEQUENCE:
1r OBTAIN PLAN APPROVAL AND OTHER APPLICABLE PERMITS.
2. INSTALL STORMWATER INSPECTION BOX WITH RAIN GAUGE, STORMWATER INSPECTION
REPORT, AND A COPY OF ALL PERMITS.
PHASE I
3. FLAG CONSTRUCTION LIMITS AND CLEAR WHAT IS NECESSARY TO INSTALL SILT FENCING.
4. INSTALL CONSTRUCTION ENTRANCE AND ROADSIDE CULVERTS WITH INLET
AND OUTLET PROTECTION.
5. CLEAR WHAT IS NECESSARY TO INSTALL THE GRASS -LINED CHANNEL, CULVERTS, TEMPORARY SEDIMENT BASIN.
THE TEMPORARY SEDIMENT BASIN SHALL BE DUG TO AN ELEVATION DEPTH OF 20. ONCE THE BASIN IS DUG,
INSTALL SKIMMER DEVICE, RISER BOX, AND TEMPORARY BAFFLES. THE PVC FITTING ON THE CONCRETE RISER
BOX IS TO REMAIN CAPPED AND OFF-LINE UNTIL PHASE II.
6. ONCE THE TEMPORARY BASIN SEDIMENT A G - E S AND GRASS -LINED CHANNEL IS STABILIZE
D
AND OPERATIONAL, COMPLETE THE REMAINDER OF THE SITE CLEARING. TOPSOIL AND
DEBRIS SHALL BE TEMPORARILY STOCKPILED WITHIN THE CONST
RUCTION LIMITS. THE
STOCKPILE LOCATION SHALL BE SURROUNDED N DE 0 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. LIMIT
STOCKPILE TO A MAXIMUM HEIGHT OF TEN (10) FEET WITH A MAXIMUM SIDE SLOPE OF 3:1.
REMOVAL OF THE STOCKPILE SHALL BE TO A NORTH CAROLINA DEPARTMENT OF
ENVIRONMENT AND NATURAL RESOURCES (NCDENR) PERMITTED LOCATION.
7. COMPLETE GRADING AND VEGETATE AND MULCH IMMEDIATELY.
8. FINALIZE THE INSTALLATION OF THE ACCESS DRIVES AND STABILIZE ALL DISTURBED
AREAS BY SEEDING AND MULCHING.
9. 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.
10. AFTER THE SUBSTATION SITE IS STABILIZED, HAS BEEN STONED BY OTHERS, AND HAS NO MORE DISTURBANCE
EXPECTED, REMOVE ALL TEMPORARY SEDIMENT CONTROL MEASURES. THE TEMPORARY SEDIMENT BASIN WILL BE
CONVERTED INTO A PERMANENT WET DETENTION BASIN. REMOVE THE COIR-MESH BAFFLES. REMOVE ACCUMULATED
SEDIMENT AND DIG BASIN TO AN ELEVATION DEPTH OF 16. REMOVE THE SKIMMER DEVICE FROM THE 6" PVC PIPE
AND CAP THE PIPE. INSTALL THE VEGETATIVE SHELF AND THE 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. STABILIZE ANY DISTURBED AREAS APPROPRIATELY AND INSTALL
PERMANENT VEGETATION AS NECESSARY. THE PERIMETER SILT FENCING SHALL REMAIN UNTIL PERMANENT VEGETATION
IS ESTABLISHED.
11. ESTIMATED TIME BEFORE FINAL STABILIZATION - FIVE (5) MONTHS.
GRADING AND BACKFILL MATERIAL:
1. PROPOSED CONTOURS REPRESENT SUBGRADE ELEVATIONS.
2. ALL GRADED AREA WITHIN NEW FENCE SHALL RECEIVE 6" OF STONE (3" CRUSHER RUN AND 3" OF 1 1/2" WASHED
STONE), TO BE PROVIDED BY OTHERS.
3. ALL VEGETATION AND DEBRIS SHALL BE REMOVED FROM THE CONSTRUCTION AREA, SUBGRADE SOILS SHALL BE FREE
OF ORGANIC 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 REPUTABLE GEOTECHNICAL ENGINEERING FIRM,
APPROVED BY THE OWNER OR ENGINEER, TO PERFORM LABORATORY AND FIELD TESTING OF BACKFILL MATERIAL AT
THE CONTRACTOR'S EXPENSE.
6. A STANDARD PROCTOR COMPACTION TEST SHALL BE PERFORMED BY THE APPROVED GEOTECHNICAL ENGINEERING FIRM
ON THE MATERIAL TO BE USED AS BACKFILL.
7, ALL FILL MATERIAL SHALL BE PLACED IN LIFTS NOT TO EXCEED 12".
8 FIELD COMPACTION TESTS SHALL BE TAKEN BY THE GEOTECHNICAL ENGINEERING FIRM FROM EACH FILL VOLUME
MEASURING 2000ft2 MAXIMUM x 12" DEEP.
9. ALL FILL AREAS SHALL BE COMPACTED TO AT LEAST 95% OF THE STANDARD PROCTOR MAXIMUM DRY DENSITY.
10. CONTRACTOR IS RESPONSIBLE TO VERIFY LOCATION OF UNDERGROUND FACILITIES PRIOR TO CONSTRUCTION.
GRADING & EROSION CONTROL DETAILS 3086836GR1 (GR2 OF 2)
STORMWATER MANAGEMENT PLAN 3086836SM1 (SM1 OF 2 / SM2 OF 2)
DRAINAGE AREA MAP 3086836DAl (DA1 OF 2 / DA2 OF 2)
BOUNDARY AND TOPOGRAPHIC SURVEY PERFORMED BY:
JAMES C. SIMMONS, JR. - PLS # 3992
JAMES C. SIMMONS AND ASSOCIATES
PROFESSIONAL LAND SURVEYORS
603 WEBB BOULEVARD
HAVELOCK, NC 28532
[phone]
SEASONAL HIGH WATER TABLE
1. S.H.W.T ELEVATION = 6" (INFORMATION BASED ON SOIL BORINGS PERFORMED BY GEOTECHNOLOGIES. INC.
AND FIELD OBSERVATIONS BY BOOTH & ASSOCIATES, INC.) APR 2 5 2pi1
N.C.D.O.T. NOTES
CCEC HAS CONTACTED AND RECEIVED APPROVAL FROM THE NCDOT TO IMPROVE THE ROADSIDE DITCHES IN THE RIGHT-OF-WAY.
30868.3fiGRl

EL. 23
STEEL FENCE
�.EL.20.5---------
0
(41 X 4'W X 4-H) CONCRETE RISER BOX
WITH TRASH GUARD
TOP INLET EL. 22
BOTTOM EL. 18
47.0' 47.0'
3AFFLE SPACING) (BAFFLE SPACING)
4" PVC TEE 1\
W/1.5"0
AP C PVC EL 20.;
TEMPORARY POOL VC CAP - ---
PERMANENT POOL
-r - --EL.20.5 ---
ELI
IPRAP FOREBAY TO BE INSTALLED//\�//\�//\�/��/�C�/•<i "" - " "'" '
DURING PHASE /
CROSS SECTION
TEMPORARY SEDIMENT / WET DETENTION BASIN
N.T.S.
TEMPORARY SEDIMENT/WET DETENTION BASIN
DESCRIPTION
#
DESCRIPTION
#
DESCRIPTION
/
LENGTH ®EL. 20.5 (FT)
164
EMERGENCY SPILLWAY
LEVATI N
22
RISER BOX LENGTH (FT.)
4
WIDE 0 EL. 20.5 (FT)
36
ELEVA11ONM
23
RISER BOX WIDTH (FT.)
4
BASIN BOTTOM ELEVATION
16
PERMANENT POOL
RISER BOX HEIGHT (FT.)
4
PERMANENT POOL EL.
20.5
SURFACE AREA (FT�
5,904
BARREL DIAMETER (IN)
12
TEMPORARY POOL EL.
22
STORAGE VOLUME (FT3)
13,085
FOUNDATION BLOCK LENGTH (FT.)
4
RISER ELEVATION
22
TEMPORARY POOL
FOUNDATION BLOCK WDTH (FT.)
4
PVC TEE 0 (IN)
4
SURFACE AREA (FT�
9,360
FOUNDATION BLOCK HEIGHT (FT.)
1
PVC CAP HOLE 0 (IN)
1.5
STORAGE VOLUME (FT3)
12,159
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 DIMENSSION 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.
UPSTREAM END
OF STORM DRAIN
WASHED STONE FILTER
ACROSS PIPE INLET HARDWARE CLOTH
WASHED STONE FILTER INLET PROTECTION
FOR STORM DRAIN UNDER CONSTRUCTION
N.T.S.
OVERFLOW
1/3 PIPE
DIA.
VEGETATIVE SHELF
10:1 MIN. SLOPE
TOP EL 21.0 EL. 23.5
BOTTOM EL. 20.0 CLASS-B RIPRAP CHANNEL -BERM ELEVATION FROM GRl OF 2
10.0' PLUS 6" FOR SETTLEMENT*
EL.22
GRASS BUFFER W/ STRAW AND NETTING
INLET INVERT ,� EMERGENCY
EL.20
JI� �.���`�`�`)'��`•,`"�'`)")"`%Y `Y EL. L 22Y
BLOCK
BOTTOM EL.17
o TRASH
GUARD
4" PVCW
NTEMPORARY
PLUG
POOL
EL. 22---�----
PERMANENT POOL
a zo
EL.20.5- - -I-------
" o m
ulm
4" PVC
wo
0
n m
EL.20 ------- - -
X w
TEMPORARY SEDIMENT
BASIN BOTTOM
-
(PHASE 1)
EL.23
i
EL.20 ;
INVERT EL19.5
--- -------�L.22- - - - -
--EL.20.5--EL.21- _--_-_-_-_-
EL. 23.5 OVER FILL 6" FOR SETTLEMENT
CLASS B RIPRAP _
EMERGENCY SPILLWAY SECTION
SKIMMER DEWATERING DEVICE
- - --- EXISTING
- ROAD SIDE
DITCH
SKIMMER DEWATERING DEVICE INSTALLATION INLET
EL.205RT
WET DETENTION
BASIN BOTTOM
(PHASE II) N.T.S.
*NOTE*
ONCE THE TEMPORARY SEDIMENT BASIN IS CONVERTED TO A WET -DETENTION BASIN THE
SKIMMER DEWATERING DEVICE WILL BE REMOVED FROM THE 6"0 X 451 SCHEDULE 40 PVC
PIPE AND THE PIPE SHALL BE CAPPED.
SUPPORT POST,
SUPPORT ROPE TO 24" INTO BOTTOM
WIRE PTO PREVENT OR SIDE -j BAFFLE
=Mrr -7
STAKE TO SUPPORT
WIRE
IRGYVfIGU IIY IV [JVI IVM VIA JNC
*MAINTENANCE*
INSPECT BAFFLES AT LEAST ONCE A WEEK AND AFTER EACH RAINFALL. MAKE ANY REPAIRS IMMEDIATELY. BE SURE TO MAINTAIN
ACCESS TO THE BAFFLES. SHOULD THE FABRIC OF THE BAFFLES 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 HAS BEEN PROPERLY
STABILIZED, REMOVE ALL BAFFLE MATERIALS AND UNSTABLE SEDIMENT DEPOSITS, BRING THE AREA TO GRADE AND STABILIZE IT.
EL.22 VEGETATIVE SHELF
10:1 SLOPE
o 0
INLET INVERT
= EL.20
BARREL 45' X 12"0 RCP
4" PVC CAP EL.20. m� EL.18
W/1.5"0 HOLE nro 4'X4'Xt'
EL.17
MIN
50 � 2"-3" COARSE
y AGGREGATE
')t �p 'r ".d' ° _ 'O•y. *.' STABILIZE
d • WITH GRASS
� ra
•
0
cl
GEOTEXTILE NON -WOVEN FABRIC
\°
d
18"dia. X 50'L CLASS-5 RCP CULVERT
' \\/
*MAINTENANCE*
-
MAINTAIN THE GRAVEL PAD IN A CONDITION TO PREVENT MUD OR SEDIMENT FROM
LEAVING THE CONSTRUCTION SITE. THIS MAY REQUIRE PERIODIC TOPERESSING
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
CONSTRUCTION ENTRANCE/EXIT DETAIL
N.T.S.
Ku CONCRETE
ANTI -FLOTATION
BLOCK
RISER -BOX SECTION
12" BED OF COMPACTED
CRUSHER RUN ---\
WIDTH/2
BAFFLE DETAIL
N.T.S.
OUTLET INVERT
EL.19.5
OUTLET INVERT
EL.19.5
6"0 X 45'L SCHEDULE 40 PVC
PERSPECTIVE VIEW
ENCLOSURE
1TER ENTRY
UNIT
PVC ELBOW 2" SCHEDULE 40
PVC END PVC PIPE
CAP
- WATER SURFACE -
PVC END
PVC TEE CAP
1.5" ORIFICE PLATE
PVC TEE
1.5" SCHEDULE 40
PVC PIPE
SUBGRADE PVC PIPE
ELEVATION 1/2" HOLE IN
WIDTH/2 UNDERSIDE
1�.v1/�,v13ib END VIEW FRONT VIEW
6 OZ. NON-WOVEW,//<'
COMPACTED GEOTEXTILE FABRIC UNDER
NATIVE SOIL 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 RUNOFF -PRODUCING RAINS. MAINTAIN ALL VEGETATION IN
A HEALTHY, VIGOROUS CONDITION. SEDIMENT -PRODUCING AREAS SHOULD BE TREATED IMMEDIATELY.
GRAVEL ACCESS DRIVE
GEOTEXTILE NON -WOVEN FABRIC
REFERENCE MAINTENANCE REQUIREMENTS
IN THE PLAN BOOK
HIIIIIIIIIIIIII M\\ V BOTTOM SURFACE
SKIMMER DEWATERING DEVICE
N.T.S.
N.T.S.
GRADING AND EROSION CONTROL DETAILS
SCALE: N.T.S.
MIN. 10 GA.
LINE WIRES
REFERENCES
GRADING & EROSION CONTROL PLAN 3086836GR1 (GR1 OF 2)
STORMWATER MANAGEMENT PLAN 3086836SM1 (SM1 OF 2 / SM2 OF 2)
DRAINAGE AREA MAP 3086836DAl (DA1 OF 2 / DA2 OF 2)
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
5. BACKFILL AND COMPACT THE
EXCAVATED SOIL.
8'
/ PLASTIC OR
WIRE TIES /
/ MIN. 12-1/2 GA. /
/ INTERMEDIATE WIRES
--mac
El
III = I �, "�•:� •:::::., -I I1=1I I-
EXTENSION OF FABRIC AND
8-MIN. WIRE INTO THE TRENCH-il ;f•.'.;: III=III- I'
M�tJ• STEEL POST
IFILTER FABRIC *MAINTENANCE* =1-
INSPECT SEDIMENT FENCES AT LEAST ONCE A WEEK
.- AND AFTER EACH RAINFALL. MAKE ANY REQUIRED
BACKFILL TRENC/ \ REPAIRS IMMEDIATELY. SHOULD THE FABRIC OF A
AND COMPACT / SEDIMENT FENCE COLLAPSE, TEAR, DECOMPOSE OR
THOROUGHLY 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
N.T.S.
T
s."-•
�z � �r� ..�•«Z��•Zd•O�g•
OPE
E:D
E:
GRASS -LINED CHANNEL DIMENSION CHART
CHANNEL #
T
D
B
E
SLOPE
1
11'
2'
3'
4'
2:1
*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 SIGNIFICANT 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 STRAW
AND NETTING
N.T.S.
APR 2 5 2011
IN
30868.36(lR1