167-02 08' Renewal Oversized Plans

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ROAD DITCH - NORTH SIDE OF US-264:
TYPICAL DESIGN CLEANOUT SECTION
Bottom Width = 3.0 ft
Depth = 3.0 ft
SideSlope = 2:1, Blend to existing template to minimize
disturbance of the existing channel bank
Slope = 0.0003 ft/ft
Design Q = 19.8 cfs (at Sta 0+00)
Maximum channel velocity = 0.9 ft/sec
Excavated Channel
ROAD DITCH DRAINAGE
PROFILE NORTH SIDE
US 264 HIGHWAY
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ROAD DITCH - NORTH SIDE OF US-264:
TYPICAL DESIGN CLEANOUT SECTION
BottomWidth = 3.0 ft
Depth = 3.0 ft
SideSlope = 2:1, Blend to existing template to minimize
disturbance of the existing road -side channel bank
Slope = 0.0003 ft/ft
Design Q = 19.8 cfs (at Sta 0+00)
Maximum channel velocity = 0.9 ft/sec
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1—E-2009NC
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Sheet of 16

Notes:
1. Section will uniformly transition
from 3:1 sideslopes (Typical)
to 1.5:1 sideslopes (Compressed)
from Station 18+93 to 19+96
and uniformly transition
from 1.5:1 sideslopes (Compressed)
to 3:1 sideslopes (Typical)
from station 19+96 to 20+97.
2. Riprap with geotextile shall be
installed on each sideslope between
stations 19+60 and 20+30 (where
sideslopes are steeper than 2:1 ).
WC
EXISTING DITCH
WOODS
NO WORK SHALL
BE PERFORMED
IN THE WOODS
t 1'
--0-17
EXISTING DITCH
I_ /\ I -.) 11 1 V V V I\ /"-\ V L L
ROAD EDGES
CLASS A 4'
RIPRAP
12" THICK
SILT
FENCE
42'
1/ 2 )) ASPHALT AS PER ARCADIS DESIGN
2/ 6" ABC AS PER ARCADIS DESIGN
N
ELEV. 5.7'
CENTERLINE
ROAD FILL
a
1.5 r---GEOTEXTILE I ° � 1.5
1 � � �-- 1' ROAD FILL —� 1
� EXISTING GRAVEL ROAD GEOTEXTILE
2' 1 L KEYWAY � 1
FOUNDATION STRIPPING
18 CMP t
�� 4, � 1 1' MINIMUM
(ALUMINUM) �-
EXISTING DITCH
EXISTING DITCH
TYPICAL SECTION -Y2-
COMPRESSED
TOTAL RIGHT OF WAY +/— 75'
+/— 66' WHERE THERE IS NO `
2" ASPHALT AS PER ARCADIS D
2/ 6" ABC AS PER ARCADIS D
M
ELEV. 5.7'
CENT[-RLINE
ROAD FILL
D FILL
a
TOWER FIELD
EXISTING
CHAIN LINK FENCE
1 CLASS A RIPRAP
- 1 12" THICK
FOUNDATION STRIPPING — 1' MIN
K EYWAY � 1 2'
1 I 1 � 4' 0 4' 8'
--1 4'
TYPICAL SECTION -Y2-
2
4
CROPFIELD
2
Swan Quarter Dike Project, Phase 13
Hyde County, North Carolina
Modification Request to CAMA Permit No. 167-02
Prepared 7/10/2009 by S.Biggerstaff and T.Ruch
Revised 9/23/2009
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1-E-2009NC
Sheet 13 of 16

1 THE KEYWAY SHALL BOTTOM
OUT ON MINERAL SOIL WITH
AN AVERAGE DEPTH OF 2 TO 3 FT.
2 SOFT AND PARTIALLY DECOMPOSED
VEGETATIVE MATERIAL SHALL BE
REMOVED FROM THE BASE AREA OF
THE DIKE.
10'
CONSTRUCTION
AND
MAINTENANCE
APPROXIMATE LOCATION
OF EXISTING FILL
ORGANIC
MINERAL SOILS
FLOWING SANDS
10'
CONSTRUCTION
AND
MAINTENANCE
3
1�
25'
25'
14'
III]=
1
1 1 EXISTING
d -J _ _ _ 1 _ KEYWAY
4'
TOTAL RIGHT OF WAY — 90'
25'
OVERBUILD 0.5'
TO ALLOW FOR SE'
ELEV. 5.7'
3
DIKE WITH SPOIL PILES - Dike A and B
14'
TOTAL RIGHT OF WAY — 90'
25'
OVERBUILD 0.5'
10 ALLOW FOR SE'
ELEV. 5.7'
3
10' MIN. BERM
2 2
ORGANIC7—
FOUNDATION STRIPPING 2
1 � 1� KEYWAY � 1 1( � 1
d— 10' MIN. BERM 2 2
---1 — 1
me 10-1
MINERAL SOILS 4'
FLOWING SANDS
DIKE WITH HAULED FILL - Dike C
Swan Quarter Dike Project, Phase 13
Hyde County, North Carolina
Modification Request to CAMA Permit No. 167-02
Prepared 7/10/2009 by S.Biggerstaff and T.Ruch
Revised 9/23/2009
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1-E-2009NC
Sleet 14 of 16

CROPLANDWARD
—10'—
BUFFER
NO WORK SHALL
BE PERFORMED
IN THE BUFFER
SECTION
— 10'
V—DIT
10'
3ERN/
25'
14'
TOTAL RIGHT OF WAY — 150'
25'
OVERBUILD 0.5'
TO ALLOW FOR SETTLEMENT
— 2 0'
BERM
MINIMUI
3 0' f
OW C
ELEV. 5.7' 31
ORIGINAL
3 DIKE 3 GROUND
1 �
— — — — — — — — — — FOUNDATION STRIPPING ORGANIC
1 2 � 1 d J 1 L KEYWAY 1
1 1 dJ
4 MINERAL SOILS � L J �
NOTE: CONTRACTOR SHALL NOT ACCESS BUFFER.
TRANSPORTATION OF EQUIPMENT,
STORAGE OF EQUIPMENT,
DISPOSAL OF OVERBURDEN, OR
DISPOSAL OF CLEARED VEGETATION
WILL NOT BE ALLOWED.
NOTES:
1. THE KEYWAY SHALL BOTTOM OUT ON MINERAL
SOIL WITH AN AVERAGE DEPTH OF 2 TO 3 FT.
2. "d" WILL BE LIMITED BY THE DEPTH OF THE
FLOWING SAND LAYER. DEPTH OF EXCAVATION
INTO THE FLOWING SAND LAYER SHALL NOT
EXCEED 1.5'.
3. SOFT AND PARTIALLY DECOMPOSED VEGETATIVE
MATERIAL SHALL BE REMOVED FROM THE BASE
AREA OF THE DIKE.
CROPLANDWARD
10'
MINERAL SOILS
FLOWING SANDS
DIKE AND BORROW CANAL - DIKE D
25'
CLEARING LIMIT (1.7 AC. MITIGATION AREA) — 108'
25'
OVERBUI
TO ALLC
ELEV. 5.7'
DIKE AND DRAINAGE CANAL - DIKE D
THROUGH WOODED WETLAND
14'
zoNE z
3 3
H ZONE 1 1
1 1
11
MATERIAL PLACEMENT
FLOWING SANDS
20'
3ERN
NIML
NOTES:
1, ZONE 1 SHALL BE A
HOMOGENEOUS FILL CONSTRUCTED
OF MINERAL SOILS, ORGANIC SILT,
AND CLAY SOILS.
2. ZONE 2 SHALL BE CONSTRUCTED
OF ORGANIC SOILS AND/OR
MINERAL SOILS. THE ORGANIC
SOILS SHALL BE PLACED ON THE
EXPOSED SURFACE.
SOUNDWARD
10' —
�UFFER
SOUNDWARD
Swan Quarter Dike Project, Phase 13
Hyde County, North Carolina
Modification Request to CAMA Permit No. 167-02
Prepared 7/10/2009 by S.Biggerstaff and T.Ruch
Revised 9/23/2009
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