SW7080412_APPROVED PLANS_20080728

STORMWATER DIVISION CODING SHEET
POST -CONSTRUCTION PERMITS
PERMIT NO.
SW 711��
DOC TYPE
❑ CURRENT PERMIT
APPROVED PLANS
HISTORICAL FILE
❑ COMPLIANCE EVALUATION INSPECTION
DOC DATE��
YYYYMMDD

'_3
EROSION CONTROL SEQUECEMOTES:
1. STORMWATER WETLAND TO BE USED AS TEMPORARY SEDIMENT TRAP. MINIMUM DIMENSIONS
MEASURED AT BASE: 84' L X 20' W X 3.5' D X 4' WEIR. CLEAN SEDIMENT TRAP AND PERFORM
WETLAND PLANTING AFTER OTHER CONSTRUCTION IS COMPLETE.
2. EROSION CONTROL PERMIT TO BE MAINTAINED AT CONSTRUCTION SITE AT ALL TIMES.
3. CLEAR SITE INITIALLY, ONLY AS NECESSARY TO INSTALL EROSION CONTROL DEVICES AS
INDICATED ON THE DRAWINGS OR SPECIFIED IN THE SPECIFICATIONS.
4. NOTIFY ENGINEER AND NCDENR, LAND QUALITY SECTION (252-946-6481) FOR SITE INSPECTION
PRIOR TO COMMENCING MAIN CONSTRUCTION OPERATIONS.
5. MAINTAIN EROSION CONTROL DEVICES AS NECESSARY DURING INSTALLATION OF UTILITY
IMPROVEMENTS. INSPECT DEVICES AFTER EVERY RAINFALL EVENT AND CLEAN OUT TRAPS
AND/OR CHECK DAMS WHEN HALF FULL.
6. AS CONSTRUCTION PROGRESSES, INSTALL ADDITIONAL EROSION CONTROL DEVICES AS NEEDED
OR AS DIRECTED BY ENGINEER.
7. SEED AND MULCH DISTURBED AREAS WITHIN FIFTEEN (15) WORKING DAYS OF DISTURBANCE.
8. AFTER SITE IS STABILIZED, REQUEST AN INSPECTION BY THE ENGINEER. UPON APPROVAL OF
SITE STABILIZATION, REMOVE TEMPORARY EROSION CONTROL DEVICES, DRESS OUT AREA, AND
SEED AND MULCH. PERMANENT EROSION CONTROL DEVICES SHALL BE INSTALLED AND
APPROVED BY ENGINEER.
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GENERAL NOTES:
1. ALL SURVEY INFORMATION OBTAINED FROM ROANOKE LAND SURVEYING.
P.O. BOX 1193
WILLIAMSTON, NC.
PH:252-792-2276
2. CONSTRUCTION LIMITS SHALL BE THE RIGHT OF WAY TO THE NORTH/WEST
OF THE SITE AND TO THE CONSTRUCTION LIMIT LINE.
3. REGRADE AREA BESIDE EXIST. BAND BUILDING TO ALLOW POSITIVE DRAINAGE
FROM MAIN ST. SIDE TO REAR OF SITE (PROPOSED SPOT ELEVATIONS PRQVIDED).
18" WIDE CURB CUT/CHANNEL COVERED
ANCHORED TO CONCRETE (6" OVERHANG
EACH SIDE, 300 LB/SF LIVE LOAD)
FIELD LOCATE AT LOW POINT, COORDINATE Main Street
WITH ENG�IEER
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ENGINEERING
PLANNING
ARCHITECTURE
120 North Boylan Avenue
Raleigh NG 27603-1423
919.828.0531
fax [phone]
SHEET NO.
C-102

Al WETLAND PLANT SCHEDULE
0$1 00 Prot
Aquatic Plants
Qty
Botanical Name
Common Name
Spacing
Stock
Water Depth
6
Nu har polysepalum
S atterdock
2'
4" container
1.5 - 2'
8
S frodela po1yrhiza
Duckmeat
2'
4" container
1.5 - 2'
5
Wolffella fin ulata
Bog mat
2'
4" container
1.5 - 2'
11t1tt4Y�TFn afar '%
Emergent/Herbaceous
Q ty
Botanical Name
Common Name
Spacing
Stock
Water Depth
10
Acorus calamus
Sweet Fla
2'
4" container
0.5'
11
Hibuscus moscheutus
Rose mallow
2'
4" container
0.5'
14
Juncus eHusus
Softrush
2'
4" container
0.5 - 1'
10
Nupharpolysepalum
S atterdock
2'
4' container
0.5 - V
10
Peltandra virpinica
Arrow Arum
2'
4" container
0.5 - 1'
10
Saururus cemuus
Lizard Tail
2'
4" container
0.5 - 1'
Shrubs
City
Botanical Name
Common Name
Spacing
Stock
Water Depth
12
Rosa palustds
Swamp Rose
4'
1 gallon
0.3 - 0.5'
Shrubs
Oty,
Botanical Name
Common Name
Spacing
Stock
Water Depth-
11
Comus amomum
Silky Dogwood
6'
1 gallon
0 - 0.1'
12
Ilex gfabra
Inkber
4'
1 gallon
0 - 0.1'
10
Ilex verticillata
Winterber
4'
1 gallon
0 - 0.1'
11
Itea virginica
Sweets ire
4'
1 gallon
0 - 0.1'
Trees
Qty
Botanical Name
Common Name
Spacing
Stock
4
Betula ni ra
River Birch
12'
10' dbh/B&B
1 0'
5
Carpinus caroliniana
Ironwood
12'
2.5" dbh/B&B
1 0'
5
N ssa a uatica
Water tupelo
12'
25' dbh/B&B
1 0'
,WETLAND PLANTING ZONES
i NOT TO SCALE
ZIWETLAND/FOREE
ELEVATION 96.5
BOTTOM
Al
STORMWATER WETLAND NOTES:
1. WETLAND SHALL BE CONSTRUCTED PER PLAN.
2. EXCAVATE 12" OF EXISTING GROUND BELOW WETLAND
BOTTOM UP TO NORMAL POOL ELEVATION AND REPLACE
WITH 4" CLAY LINER TOPPED WITH 8" COMPACTED TOPSOIL
MIX PER SPECIFICATIONS. EXCAVATE 8" OF EXISTING
GROUND BELOW SHALLOW LAND AND REPLACE WITH 8"
OF COMPACTED TOPSOIL MIX.
3. PLANT WETLAND PLANTS IN ACCORDANCE WITH PLANT
SCHEDULE AS SHOWN ABOVE. SPACING SHALL
BE AS INDICATED.
4. AREAS OF WETLAND FROM SHALLOW LAND AND ABOVE
SHALL BE SEEDED AS INDICATED IN SPECIFICATION SECTION
2920,LAWNS AND GRASSES.
5. ALL PLANTS SHALL BE SUPPLIED FROM NURSERY STOCK.
ZONE 1(DEEP
ZONE 3 (SHAL
TIE TO EXIST. GROUND r vrtr-cr+r
NORMAL POOL SHALLOW LAND
SLOPE VARIES
_ — — — V (ZONE 1/2) - _ — i _ELEV 99— — _ _ _ _ DEEP POOL—
' PLAN
`EXCAVATE A MIN. 1' BELOW
AWETLAND BOTTOM AND BACKFILL
l WITH 4" CLAY TOPPED WITH 8"
TOPSOIL AND PLANT SOIL MIX
PER WETLAND PLANTING
SPECIFICATION TO PROPOSED
GRADE. (LANDSCAPE
ARCHITECT APPROVAL REQ'D)
A\ DEEP POOL BOTTOM - 96.00 / SEE INSET "A"
TOP OF RISER
ELEV. - 99.50
Y4" ORIFICE
ELEV.- 98.20 6"
2" X 12" X 4" TEE
PROVIDE WATER
TIGHT CAP
WETLAND
BOTTOM
TER)
TOP OF BERM
ELEV. - 101.00'
12" PVC
RISER THE TO EXIST. GROUND
:1
`SPILLWAY
ELEV. - 100.15
(SEE DETAIL THIS SHEET)
-ANTI-SEEP
COLLAR (SEE DETAIL
THIS SHEET)
4" PVC BARREL
4" X 4" X 4" TEE
FILL 4" PVC PIPE
WITH CONCRETE
12" CONCRETE ANCHOR
----
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(DIAMETER VARIES)
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CLASS B CONCRETE
I i OR COMPACTED CLAY
12
6„ TRENCH WIDTH 6„ Z
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NOT TO EXCEED 40 FEET N
ES�C T O Ld
PLAN
NTI-SEEP COLLAR
NOT T) SCALE
CONCRETE
CURBING
(EACH SIDE)
CLASS B CONCRETE
OR COMPACTED CLAY
4" THK. CONCRETE
INSIDE CURBING TO
EDGE OF PAVEMENT
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NOTE: FOR NON -CORNER CHANNELS
FILLET CURB AND GUTTER INTO
CHANNEL W/ V RADIUS
_W Z
INSET "A"
TYPICAL WETLAND SECTION NTs 4 COWCRETE CHANNEL o
NOT TO SCALE O5 NO" TO SCALE Z -:i
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TOP OF
BERM - 101.00
10'
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SPILLWf
.
ELEVATION
a,
ITYPE 2 NCDOT FILTER F
KEYED INTO BERM
ERGENCY SPILLWAY
TO SCALE
THK. CLASS A RIP RAP
6" STEEL PIPE FILLED WITH
CONCRETE ROUNDED OFF AT TOP
(PAINT TO AVOID CORROSION
M
COLOR TO BE SAFETY YELLOW)
I�.>�aIP►I�.�l ZiT
s -s � �.• s e- s
�i 12" DIA. MIN.
CONCRETE
OLLARD
NOT TO SCALE
CROSS-SECTION
�21" MIN.
DESIGN OVERFILL 8"
SETTLED FOR SETTLEMENT
TOP
in
STONE SECTION
TEMPORARY SEDIMENT TRAP
105J NOT TO 'SCALE
MAX.
MAX.
EMERGENCY
BY-PASS 6"
BELOW SETTLED
TOP OF DAM
SLOPE VARIES
PER PUN_
GRASS LINED
CHANNEL
TYPICAL SWALE SECTION
NOT TC SCALE
SLOPE VARIES
PER PLAN
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THE
WOOTEN
COMPANY
ENGINEERING
PLANNING
ARCHITECTURE
120 North Boylan Avenue
Raleigh NC 27603-1423
919.828.9531
fax [phone]
SHEET NO
C-105