SW7060208_APPROVED PLANS_20060506

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW1� _
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
❑ HISTORICAL FILE
DOC DATE
YYYYMMDD

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111 1 11 V 4
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111111111 INV. H INV. U I INV. I INV. rN V. I INV. I �0 48.84 � 49.47 WALL
11 , 111 BIO-RETENTION ARE �WNE T SIDE) 1 49.2
BOTTOM EtEV. = 46. I M 1
11;,`1111`1 (BOTTOM AFEA = 45 SF ,N 0 47 49.9
11 1 11 1 1 STORM IDEPTH = 85 ��l0.21) 1 1 49.6 +49.8
01 � q I l 8.51 49.9
A 1 1 �, q I
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49.8
DEED BOOK 1560, PAGE 920
,11
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CURB & GUTTER rB I I
1 B10 RETENTION AfA (EAST SIDI�)
,1,1 1 111 9.8 1 Cl 5 f B010M ELEV. = 6.8' I
BO OM AREA = 512 SF
1 1 1 49.5 49.4 f -- 44. �8 t" N44ORM DEPTH 0.s' (9.s.
V 11 \ \ °` INV. 1 44.31 44.31 44.31 44.3 3 �4.3
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NOT IN PROJECT AREA
x
NOW OR FORMERLY
REGISTER
DEED BOOK 1037, PAGE 973
x
ALT PAVING A
Ci CS
GRANTHAM CROSSING
I
1
NCDNR COMMENTS
JCA
3/29/06
NO,
DESCRIPTI❑N
BY
DATE
Revisions
STORMWATER SUMMARY
WESTERN SIDE (REAR) OF SITE
EASTERN SIDE (FRONT) OF SITE
TOTAL AREA = 64,987 SF
TOTAL AREA = 49,957 SF
BUILDING AREA = 27,202 SF
BUILDING AREA = 0 SF
PARKING/DRIVE AREA = 19,851 SF
PARKING/DRIVE AREA = 33,489 SF
SIDEWALK AREA = 1,680 SF
SIDEWALK AREA = 2,784 SF
LANDSCAPE AREA = 16,251 SF
LANDSCAPE AREA = 13,684 SF
BUILT -UPON AREA = 75.0%
% BUILT -UPON AREA = 72.6%
1-INCH STORMWATER VOLUME = 4,288 CUBIC FEET
1-INCH STORMWATER VOLUME = 3,063 CUBIC FEET
BIO-RETENTION AREA SIZE = 7% * 64,987 SF=4,549 SF
BIO-RETENTION AREA SIZE = 7% * 49,957 SF=3,497 SF
DEPTH OF WATER IN 810-RETENTION AREA = 0.85'
DEPTH OF WATER IN 1310-RETENTION AREA = 0.80'
11 11 111 27. ' 6m 0 0. I 30.00
, x 7. _ x - '- ---
_- ---_- �-�
1 1 1 0 9.2 4 ) -- -- - �O r r ._._- H E - -O N E---
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- - �_ - - -_ �- --_ _------=l w. - CENTERLINE INTERSECTION
6 00 _ _ _
=_5+� o----_--- _-��_ J (��=-----------��---=--_-�6 _- 49.F+ �� �� OF SERVICE ROAD &' TURE LANE
_ _ l.All, - -� . - - ttd'� + � 45. INV- - -�----
� 9-5------4 -- - - - - - L EP 4977 (EP 49.79)
�-�-+ -� _- ( )
11(EP 49.55) (EP 49.60) _ _ --_.. _ - -� NEW 44LF 18 - -
_ NEW 44LF 18_ _ EXISTING_.12 - _ RCP
- - - RCP PIPE TO BE SERVICE ROAD
20' PA �MEN T 1 DEMOLISHED
1/
EXISTING 24"PK NAIL ELEVATION=50.00'
RCP ; ELEVATION=49.76' PK NAIL CENTERLINE INTERSECTION
-INE - CEN TERLINE (43.87) OF SERVICE ROAD & TURN LANE
GRANTHAM ROAD
A INV. GRASS MEDIAN
0
EXISTING PAVEMENT
(43.99) 1
INV. o
NCSR #1153 GRAPHIC SCALE
HGH
WA
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OVERALL ,SITE GRADING PLAN EAST BOUND LANES U, & Y / 0
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A 1 BIO-RENTENTION AREA (EAST SIDE) - ENLARGED VIEW
SCALE: 1"=10'
wI
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II NV. II INV. II INV. ti II IN)
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O—RETNTION AREA, (WELT SI JE
)
II
l' OM ELEV. 461
11BOTT I0 T I 11
TOM AREA 4549 SF'
II
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TORM 'iIIDEPTH = 6.85' ('dO.2111)
11� S I II t II
160, 08'
II INV.
II
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S BIO-RFNTENTION AREA (WEST SIDE) - ENLARGED VIEW
SCALE: 1 "=10'
RAILROAD R/W
49.57+
VARIES
- SEE
PALM
FOR
DIMENSIONS
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NCDNR COMMENTS JCA 3/29/06
N❑, I DESCRIPTION I BY DATE
Revisions
3" MULCH LAYER 3 \
18 THICK PREPARED SOIL/SAND LAYER -SEE SPECIFICATION BELOW I— i
GRAVEL BED
FILTER FABRIC
r �
3" MULCH LAYER
\',vv! �'vy/ �</•;/y</ \� , � v ,•� ��' `;�!` 18" THICK PREPARED SOIL/SA�0
LAYER -SEE SPECIFICATION BELO\
\ _ FILTER FABRIC
-UNDERDRAIN TRENCH -SEE DETAIL EXISTING SOIL/SUBGRADE GRAVEL BED
SPECIFICATIONS:
PREPARED SOIL/SAND .SPECIFICATION:_
THE PREPARED SOIL/SAND LAYER SHALL CONSIST OF SOIL MIXTURE CONSISTING OF 85-88% CLEAN
CONSTRUCTION SAND 8-12% SILT OR CLAY AND 3-5% ORGANIC MATTER, THE SOILS SHALL BE MIXED
THOROUGHLY TO PROVIDE A UNIFORM CONSISTENCY. SOIL PH, NITROGEN, AND PHOSPHOROUS LEVELS
SHALL BE ADJUSTED BY THE LANDSCAPE CONTRACTOR FOR THE PLANTS SELECTED. SOIL ADDITIVES
SHALL BE ADDED TO ADJUST SOIL VALUES TO RECOMMENDED VALUES. ALL SOIL MIXING, TESTING
AND SUPPLEMENTATION SHALL BE SUPERVISED BY A LICENSED NORTH CAROLINA LANDSCAPE CONTRACTOR.
MULCH
COARSE SHREDDED HARDWOOD, AGED 6 MONTHS MINIMUM
STONE
NCDOT SIZE #67 OR APPROVED EQUAL.
FILTER FABRIC
FILTER FABRIC: TREVIRA SPUNBOUND #1155 NONWOVEN 16 OZ SY
1 CROSS SECTION - BIORETENTION AREA SIMILAR EACH BASIN
C3 C3 NOT TO SCALE
-____ 7
J � �
►:
LLJ
vX �V
\
/\�\ •;��� \ ;A '�\� ��% EXISTING SOIL/SUBGRADE
6" PERFORATED PIPE --
SEE PLANS FOR INVERTS
INSTALL PERFORATION IN UP POSITION
#67 STONE -SLOPE TRENCH BOTTOM
TO COINCIDE WITH PIPE SLOPE
NOTE:
THE CONTRACTOR SHALL NOT PLACE OR USE ANY HEAVY EARTH MOVING
EQUIPMENT IN THE BIORETENTION AREA TO AVOID COMPACTION OF THE
UNDERLYING SOILS.
SEQUENCE OF CONSTRUCTION FOR BIORETENTION AREA:
1. THE BIORETENTION AREA SHALL BE EXCAVATED TO PROVIDE A 1 FOOT STORAGE DEPTH.
THE BIORETENTION AREA SHALL BE UTILIZED AS A SEDIMENT TRAP DURING CONSTRUCTION.
INSTALL THE STORM DRAIN PIPING SYSTEM TO ROUTE ALL RUNOFF TO THE BIORETENTION AREA.
2. AFTER INSTALLATION OF ASPHALT PARKING AREA, THE BIORETENTION AREA SHALL BE
EXCAVATED TO THE FINAL SUBGRADE ELEVATION.
3. THE TOP 6" OF THE SUBGRADE SHALL BE SCARIFIED WITH A ROTARY TILLER,
4. THE SOIL/SAND MIXTURE SHALL BE INSTALLED.
5. ALL PLANTS SHALL BE INSTALLED.
6. THE MULCH LAYER SHALL BE INSTALLED.
SPECIAL VEGETATION NOTE. -
THE CONTRACTOR SHALL PROVIDE A GROUNDCOVER SUFFICIENT
TO RESTRAIN EROSION ON EXPOSED SLOPES WITHIN THE SHORTER
OF 21 CALENDAR DAYS FOLLOWING COMPLETION OF ANY
PHASE OF GRADING: AND A PERMANENT GROUNDCOVER FOR
ALL DISTURBED AREAS WITHIN THE SHORTER OF 15 WORKING DAYS
OR 90 CALENDAR DAYS FOLLOWING COMPLETION
OF CONSTRUCTION OR DEVELOPMENT,
NOTE:
ALL FILL MATERIAL NEEDED TO COMPLETE
THE PROJECT NOT GENERATED FROM ON SITE
GRADING ACTIVITIES SHALE BE OBTAINED FROM
L PROPERLY PERMITTED BORROW PIT FACILITY
GRAPHIC SCALE
10 0 5 10 20
( IN FEET )
1 inch = 10 ft.
40
06016C3.DWG
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NCDNR COMMENTS I JCA I 3/29/06
1
1
1
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T-w 1
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/ T T-3
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� T3
T-3
/ T-3 T-3 S-1 S-1 5-1 - S-1 S-1 S-2 T-2
T-3 T-3 S-1 5-3 S-3 5-3 S 1 S-1
• O O T-3 O s-3 O
' T-3 T-3 O O T-3 5--3
T-3 T-3 S-2 S-1 S-3 S-1 (9 S-1 S_ T-2
O o S- 0 0 0 5-3 o a
T 2 S-1 S-3 � O S-1 T-3 CT-
T-2 T-1 S-3 5-3 S-1 S-2 S-1 S-3 (� T-3 S_ S-1 O O
T-2 O � T--3 O � 5--1 5-1 T-1
T-3 O
O $_1 S_3 (9 O O O
_ S-2 � T-3 O O S-1 S- S-1 � T-3 S-3 T-2
T, O S-2 O _ S-3 O S-1 T-3 O
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T-2 S-3 (9 s 1 (9 T-2
T 2 T 1 T-2 oT- T�1 oT- QT- T-1 T-2 oT- T-1 T-2 T-2 T-1 T-2QL LT2 T-2
RIO-RFNTFNTION AREA (EAST SIDE) -- ENLARGED VIEW
SCALE: 1 "=10'
1
mil■
48
T-1 U-2 �-2 U-1 T-2 T-2 T-1 T-2 T-3 T 1 T-3 T-3 T-1 T-3 T-3 T-1 T-3 T-3 T-1 T-3 T-3 T-1 T-, T-3
VTS
710
T-3 T-3 T-1 T-3 T-3 T-1 T-3 T-3 T-1 T-2 T-2 T-2 T-2 T-2 5-3 - T-�-3- S-1 T-2 S_z S-1 S-2 T-2 T-1 T 3
50- S-, 5-1 T- - S-, S 2 O O S-1 T-2 T-2 �_ T-2 S-1 T-3 O - T-2 o O 5, O ` S-1 S-1 S-3 S-3 S-1 O S-3 O O O O S- T-3 O
T-3 T-2 S 3 O T-2 0 o T-2O O S-3 _1 S- `� T_1 0
O o 5-2 o s-3 0 5_3(9 0- o
T-i S-3 T-2 S-, _ T-2 S i3 O S-3 S-3 S-1 S-2 T-2 T-3 T 3
S 2 S-t O S 2 S_1 O S_2 O T_2 T-2 (9 T-1
S-2 5-3 O _ 5-1 5-1 O 5-1 0 0_ T— O
T-3 T-2 O S-3 O S 3 S 3 O 9 S-3 5 3 O
O O T-2 T-2 -1O S-3 S-1 S-
T-3 S-, T-2 S- o S-2 S-3 _ i O T-2 O O
oS-2 O O 3S-1 S-2 S 3} O
T-2 O s_1 S-3 S-, f
0 0
T-2 T-2 S-1
S-1 S-1 S-3 S-3 O
S-, S-3 S-1 5-3 � S-, S_ T-2 S-2 1 S-i
O O nT- O Q 1
x T-2 (9 �
T-2 59-1 T-2 S-3 S-1
T-3 � 5-3
O s 3 OOT-1T—
T-3 s-1 T-2 S_ OS-3 S-1 T-3
T-1 T-1
s0- s-1
T-3 T-3 T-3
S-39T-
T-3T-1
T- 3
T-1
►,
BIO—RENTENTION AREA (WEST SIDE) — ENLARGED VIEW
SCALE: 1 "=10'
a
NO, I DESCRIPTION I BY I DATE
Revisions
PLANTING LIST FOR BIO—RETENTION ARE EAST SIDE—(3512 SF -- 0.081 ACRES)
NUMBER OF TREES REQUIRED = 81
NUMBER OF SHRUBS REQUIRED = 81
key
SCIENTIFIC name
I COMMON name
10TY
I SIZE
requirements
TREES
T-1
TAXODIUM DISTICHUM
BALD CYPRESS
15
2.5" - cal.
T-2
ACER RUBRUM
RED MAPLE
30
2.5" - cal.
T---3
BETULA NIGRA
RIVER BIRCH
30
2.5" --- cal.
SHRUBS
S-1
ARONIA ARBUTIFOLIA
RED CHOKEBERRY
30
S-4' OR 12"-24" SPREAD
S-2
ILEX GLABRA
INK BERRY
20
3'-4' OR 12"-24" SPREAD
S-3
JUNIPERUS HORIZONTALIS
BAR HARBOR CREEPING
31
3'-4' OR 12"-24" SPREAD
HERBAEIUS SPECIES
HE
SAGITTARIA LATIFOLIA
DUCK POTATO
100
HE
JUNCUS EFI=USUS
SOFT RUSH
100
HE
RUDEBECKIA HIRTI
BLACK EYED SUSAN
100
NOTES:
1. USE MIX OF PLANTS LISTED FOR "HE" AREAS.
2.OVERSEED WITH WETLAND SEED MIX THAT
CONTAINS FAC WETLAND SPECIES AT A
RATE OF 15 LBS./ACRE
PLANTING PROCEDURE:
1. EXCAVATE ROOT BALL PIT.
2. SCARIFY PIT, ADD SOIL MIX AND TAMP SUCH
THAT TREE IS SET 4" HIGHER THAN ORIGINAL GRADE.
3. SET TREE LEVEL WITH ITS ORIGINAL GRADE IN NURSERY,
4. BACKFILL WITH SOIL MIX & CONSTRUCT SAUCER.
NOTES:
1. DO NOT ALLOW AIR -POCKETS TO FORM WHEN BACKFILLING.
2. IMMEDIATELY SOAK WITH WATER.
3. PAINT ALL CUTS/SCRAPES OVER 3/4" DIA, WITH APPROVED TREE PAINT.
4. DO NOT BREAK ROOTBALL.
5. PLANT AREAS & TREE LOCATIONS SHALL BE STAKED OUT PRIOR TO
PLANTING AND APPROVED BY ENGINEER
PLANTING LIST FOR BIO—RETENTION AREA WEST SIDE—(4559 SF — 0.105 ACRES)
NUMBER OF TREES REQUIRED = 105
Nl JMRFR nF '�HRI JR� RMl IIRFN = 105
key
SCIENTIFIC name
COMMON name
QTY
SIZE
requirements
TREES
T-1
TAXODIUM DISTICHUM
BALD CYPRESS
25
2.5 - cal.
T-2
ACER RUBRUM
RED MAPLE
40
2.5" - cal.
T-3
BETULA NIGRA
RIVER BIRCH
40
2.5" - cal.
SHRUBS
S-1
ARONIA ARBUTIFOLIA
RED CHOKEBERRY
40
3'-4. OR 12"-24" SPREAD
S-2
ILEX GLABRA
INK BERRY
34
3'-4' OR 12"-24" SPREAD
S-3
JUNIPERUS HORIZONTALIS
BAR HARBOR CREEPING
35
3'-4' OR 12"-24" SPREAD
HERBAEIUS SPECIES
HE
SAGITTARIA LATIFOLIA
DUCK POTATO
125
HE
JUNCUS EFFUSUS
SOFT RUSH
125
HE
RUDEBECKIA HIRTI
BLACK FYFD SUSAN
125
NOTES:
1. USE MIX OF PLANTS LISTED FOR "HE" AREAS.
2.OVERSEED WITH WETLAND SEED MIX THAT
CONTAINS FAC WETLAND SPECIES AT A
RATE OF 15 LBS./ACRE
GRAPHIC SCALE
10 0 5 10 20
( IN FEET )
1 inch = 10 ft.
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06016C4.DWG

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1" cC n F,n ncouAI T Q110CnnV COURSE
I II I I COMPACTED SUBGRADE
PUBLIC ROAD
q NEW PAVEMENT SECTION
C1 C5 NOT TO SCALE
24"
1'-5"
1"
6"
�- 2" RADIUS
CONCRETE - -
CURB & GUTTER
PAVEMENT
,., 7 1 /2"
NOTES:
1. CONTRACTION JOINTS SHALL BE PLACED 10'-0" O.C. TO A MINIMUM
DEPTH OF 1-1/2".
2. CONTRACTION JOINTS SHALL BE FILLED COMPLETELY WITH A JOINT FILLER
SUITABLE FOR THE APPLICATION_
3. EXPANSION JOINTS SHALL BE PLACED 80' O.C. AND ADJACENT TO ALL
FIXED OBJECTS (WALLS, WALKS, ETC.)
4, PROVIDE AT ELEVATIONS SHOWN. SLOPE CURB & GUTTER EVENLY BETWEEN
SPOT ELEVATIONS.
rB-�
CURB AND GUTTER
C1 ull
NOT TO SCALE
I--- 20't
o -o -o
000o0
00000
0 0 0
50' o°0°O
0°000 10
o°o°o
0 0
6" LAYER OF COARSE AGGREGATE
OVER 12" LAYER OF STONE BASE
COARSE
10,
EDGE OF EXISTING
ROADWAY PAVEMENT
(--�CGRAVEL CONTROL ENTRANCE
C2 w
NOT TO SCALE
SELF ANCHORING
METAL POST @ 6' O.C. MAX
12 GUAGE 6 X 6 WIRE MESH
3' FILTER FABRIC
3'
8" �
FLOW
-')
D SILT FENCE
C2 C5 NOT TO SCALE
E 3:1 VEGETATED SWALE
C1 C5 NOT TO SCALE
C2,C3
©� 0 0 0
0 000
0
0 04 % o
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000 0 A
0
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0 RIP RAP o 0
00
0 0
0 00
0�0
00 00
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SECTION A- A
00
00
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00 000
0
0000
PLAN
A
B
C D
AVG. RIP RAP SIZE
MAX. RIP RAP SIZE
12'
1 14'
10' 1 14"
1 6"
9"
PCN—OTTO
OUTLET PROTECTION
C3
C2 SCALE
FLOW
CENTIPEDE SOD
STABILIZATION
VEGETATIVE SEEDING
AFTER COMPLETION OF GRADING ACTIVITIES AND THE
CONSTRUCTION OF SWALES, ALL EXPOSED AREAS SHALL
BE SODDED TO THE FOLLOWING SPECIFICATIONS:
SEED BED
LIME 1-1/2 TON PER ACRE
FERTILIZER 1/2-TON PER ACRE
MAY THROUGH AUGUST:
CENTIPEDE SOD 5 LBS PER ACRE
PROCEDURE
STRAW MULCH SHALL BE APPLIED AT A RATE WHICH WILL
INSURE APPROXIMATELY 75% COVERAGE OF THE SODDED
AREA. THE STRAW AND SOWN SEED WILL BE LIGHTLY
DISCED INTO THE BED TO GIVE IT FURTHLR RESISTENCE
TO BLOWING AND WASHING.
THE CONTRACTOR SHALL GUARANTEE A FULL STAND OF
GRASS OVER THE ENTIRE DISTURBED AREA. IF NECESSARY
THE CONTRACTOR WILL WET DOWN THE AREAS TO ASSIST
IN SEED GERMINATION OR AID IN GROWTH IN TIMES OF
EXCESSIVELY DRY WEATHER. A STAND OF GRASS WILL BE
CONSIDERED ACCEPTABLE WHEN THE ENTIRE STAND OF
GRASS IS AT LEAST FOUR INCHES HIGH AND HAS
ACHIEVED AT LEAST 95% COVERAGE OF DISTURBED
AREAS. RESODDING WILL BE REQUIRED AS NECESSARY BY
THE CONTRACTOR TO OBTAIN THE SPECIFIED STAND OF GRASS.
TIME CONSTRAINTS OF VEGETATION
SPECIAL VEGETATION NOTE:
THE CONTRACTOR SHALL PROVIDE A GROUNDCOVER SUFFICIENT
TO RESTRAIN EROSION ON EXPOSED SLOPES WITHIN THE SHORTER
OF 21 CALENDAR DAYS FOLLOWING COMPLETION OF
ANY PHASE OF GRADING; AND A PERMANENT GROUNDCOVER FOR
ALL DISTURBED AREAS WITHIN THE SHORTER OF
15 WORKING DAYS OR 90 CALENDAR DAYS FOLLOWING COMPLETION
OF CONSTRUCTION OR DEVELOPMENT.
G VEGETATION PLAN
C1 C5 NOT TO SCALE
1
NCDNR COMMENTS
JCA
3/29/06
NO.
DESCRIPTI❑N
BY
DATE
Revisions
C 5
06016C5.DWG