SW7080719_APPROVED PLANS_20081118

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SwI4671 I
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE
YYYYMMDD

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IS FOR INFORMATIONAL PURPOSES ONLY AND
WILL BE CONSTRUCTED BY OTHERS
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NOTE: NO WETLANDS ARE LOCATED WITHIN
THE LIMITS OF CONSTRUCTION
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LIMITS OF CONSTRUCTION
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I 48" PLUG
INV. 4.28
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90 LF
DM, q 48" RCP Lo
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DETENTION POND
EI
ELEV. 3.3'
POND SECTION (CC')
NTS
F'
ELEV. -57
l l I11l 11 .11li(/V1 1. 111I
RIP RAP UNDERLAIN WITH
FILTER FABRIC o 0 o 0
'! EDGE OF EXISTING i 16"
APPROXIMATE ROADWAY PAVEMENT I8"OUTLET PIPE
INVERT 4'
PROJECT REFERENCE NO. SHEET NO.
R-3403AA 3
RW SHEET NO.
ROADWAY DESIGN HYDRAULICS
ENGINEER ENGINEER
N ,,, ft,a Oeep�le
C
CONSTRUCTION
ENTRANCE •=1 J'
6" LAYER OF COURSE AGGREGATE OVER 50 �'► =..`ti...hEFQ .
I2'LAYER OF STONE BASE COURSE
0 /00
20'
I
o o o s o POND CONTROL STRUCTURE
°8000000 NTS
VARIES 86,086,08 FIBERGLASS SKIMMER
PER PLAN 00 0000 0 0 TOP 8.25 6" STD. 840.16 FRAME AND GRATE
00 0 00 00 BOTTOM 6.80
0 o o g a l0' TOP ELEV. 7.6'
0000000 IO'
WEIR ELEV 73'
BE
WETLAND LINE
VEGETATIVE SEEDING
SCOUR
HOLE
AFTER COMPLETION OF GRADING ACTIVITIES AND THE
CONSTRUCTION OF SWALES,ALL EXPOSED AREAS SHALL
SEEDED TO THE FOLLOWING SPECIFICATIONS
VEGETATED
SHELF
PLANTING
LIST
STD. 840J4
CONC. DROP INLET
I
INV. 24 / SEED BED
LIME 1-112 TON PER ACRE
FERTILIZER VZ- TON PER ACRE
15p SEED
l
U RYE GRAIN 50 LBS PER ACRE
TALL FESCUE l00 LBS PER ACRE
STONE BERM MAY THROUGH AUGUST:
I V' CENTIPEDE 5 LBS PER ACRE
PROCEDURE
STRAW MULCH SHALL BE APPLIED AT A RATE WHICH WILL
INSURE APPROXIMATELY 757 COVERAGE OF THE SEEDED
69 LF AREA THE STRAW AND SOWN SEED WILL BE LIGHTLY
50" RCP D/SCED INTO THE BED TO GIVE /T FURTHER RES/STENCE
TO BLOWING AND WASHING. THE CONTRACTOR SHALL
_ GUARANTEE A FULL STAND OF GRASS OVER THE ENTIRE
CONSTRUCTION ENTRANCE DISTURBED AREA /F NECESSARY THE CONTRACTOR WILL
° \, MANHOLE WET DOWN THE AREAS TO ASSIST /N SEED GERMINATION
&LIMITS OF CONSTRUCTION
I TOP EL. 9.3 OR AID /N GROWTH IN TIMES OF EXCESSIVELY DRY
! INV. EL. 4.0 (N) WEATHER. A STAND OF GRASS WILL BE CONSIDERED
ACCEPTABLE WHEN THE ENTIRE STAND OF GRASS /S AT
LIMITS OF CONSTRUCTION I INV. EL. 2.0 (SE) LEAST FOUR INCHES HIGH AND HAS ACHEIVED AT LEAST
957 COVERAGE OF DISTURBED AREAS. RESEEDING WILL
INSTALL SILT FENCE BE REQUIRED AS NECESSARY BY THE CONTRACTOR TO
AT LIMITS RESTORE AREA OBTAIN THE SPECIFIED STAND OF GRASS.
IW 1 TO MATCH
NOTE
EXIST. GRADES PROVIDE A GROUNDCOVER ( TEMPORARY OR PERMANENT)
ON EXPOSED SLOPES WITHIN 2/ CALENDAR DAYS FOLLOWING
278 LF V 1 242 LF COMPLETION OF ANY PHASE OF GRADING; AND, A PERMANENT
30" RCP GROUNDCOVER FOR ALL DISTURBED AREAS WITHIN /5 WORKING
48^ 70Cp @ O.OX DAYS OR 90 CALENDAR DAYS (WHICHEVER /S SHORTER) FOLLOWING
INV.0.50 1 MANHOLE COMPLETION OF CONSTRUCTION OR DEVELOPMENT.
TOP EL. 9.3
\ INV. EL. 4.0 (E)
1 v INV. EL. 2.0 (NW)
W CONSTRUCTION ENTRANCE 1 58 LF
& L/M/TS OF CONST N �� 30" RCP
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STONE BERM
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MANHOLE
P EL. 9.3
/W. EL. 4.0
C T ROL ST UC
SE DETAIL THIS S
0
APPROXIMATE
WETLAND UNE
2/l LF
30" RCP
MANHOLE
TOP EL. 9.3
INV. EL. 4.0
I
29 LF
30" RCP g 0.0%
INV. 4.00
A'
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SCIENTIFIC NAME
COMMON NAME
SIZE
IRIS VIRGIN/CA
BLUE FLAG IRIS
LARGE PLUG
PELTANDRA VIRGIN/CA
ARROW ARUM
LARGE PLUG
SAG/TTAR/A LANC/FOLIA
BULLTONGUE
LARGE PLUG
SAG/TTAR/A LAT/FOL/A
DUCK POTATO
LARGE PLUG
SPARGANIUM AMERICANUM
BUR-REOD
LARGE PLUG
Z/ZANIOPSIS M/L/ACEA
WATER MILLET
LARGE PLUG
PROVIDE A MINIMUM OF 3 OF THE ABOVE LISTED SPECIES /N
EQUAL NUMBERS. INSTALL PLANTS AT 48 "OC IN ALL DIRECTIONS.
DISTRIBUTE SPECIES EVENLY.
ELEV. 4'
THICK .NCDOT CLAS
RIP RAP UNDERLAIN WITH
FILTER FABRIC
COUR HOLE DETAIL
2' 6' 3'
POND SECTION (A'A' & BIB')
NTS
5' 6' 10' /AREES VARIES VARIES /O' 6' 5'
MIN.
32'
IJ 4'/
/0:/
WATER SURFACET
ELEV. 7.3'
BED ELEV. -5.7' FOR SECTION CA'
3.3' FOR SECTION BB' .
SEDIMENT CONTROL
STONE
48" PIPE
A'
LOW
STRUCTURAL STONE
I MIN. I EXISTING
STONE BERM DETAIL
ITS
POND BED ELEV 3.3'
TOP ELEV. 4.5' ---\
PLAN
NOTE: ELEVATIONS ON THIS SHEET ARE BASED ON NGVD 29.
2' MIN.
SECTION A -A
SET FLUSH WITH
EXIST. GRADE
3� GROUND
4:1 =iI1-1Ii
10:1
ELEV. 9.3'
ELEV. 7.8'
ELEV. 6.8'
VEGETATED SHELF TO BE
PLANTED PER NCDWQ STANDARDS
tVVcrre � er I a ; '90
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—WASHED STONE L6"�r"'�1 � � `F � co•fv�� "n � (� � t
FLOW
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48" PIPE MAX.
INVERT ELEV.0.5'
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SHeP TITLE: PROJEPTT E' \4`'� ,.1� ' ``'' }% -^• i' g.n .n g
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SOILS EVALUATION FOR STORMWATER DEVICE ,)jiRSORS t E' 1 EVELOP,MI6iV7, Soil & Environment ulta tts, 4
\ 11010 Rave Ridge Road • Raleigh, Moth Carolina 27614 P'e; 9N)84&5900 " Fw (919) W-9463•. a
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