20190981 Ver 1_05_DUR18000-E1_20190723

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PROPOSED PERMANENT IMPACT "S2"<
THIRD FORK TRIBUTARY C
IMPACT AREA = 16 LF (195 SF) ,,o l
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PROPOSED TEMPORARY IMPACT "S1" ,
THIRD FORK TRIBUTARY C ; ❑ I
IMPACT AREA = 5 LF (69 SF)
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LEGEND
ZONE 1 PROPOSED ADDITIONAL BUFFER IMPACT
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L_ L_ L_ L_ L_ L_ L_ L_ -LLLLLLLLLL L ZONE 2 PROPOSED ADDITIONAL BUFFER IMPACT
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°°°°°°°°°°°°°°° PROPOSED PERMANENT STREAM IMPACT- RIPRAP
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❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ ❑ 0PROPOSED PERMANENT STREAM IMPACT -BANK
°O°°°°°°°°°O°°° STABILIZATION
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°°°°°°°°°°°°°°°° ❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑❑ PROPOSED TEMPORARY STREAM IMPACT
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LD LIMITS OF DISTURBANCE
PROPOSED IMPACT "B1" ZONE 1 BUFFER
IMPACT AREA = 4,942 SF
PROPOSED PERMANANT IMPACT "S3" THIRD FORK TRIBUTARY C
IMPACT AREA = 33 LF (438 SF)
PROPOSED IMPACT "B1" ZONE 2 BUFFER
IMPACT AREA = 1,725 SF
0
GRAPHIC SCALE NOTE:
0 5 10 20 CONDITIONS SHOWN ARE PRIOR TO ADDITIONAL STABILIZATION MEASURES FOR
EXISTING CMP CULVERT, ROADWAY REMOVAL, AND WATER VALVE LOCATION
ADJUSTMENT. ALSO BANK STABILIZATION AND RIPRAP PLACEMENT IN PLACE OF THE
1 inch = 10 ft. CMP CULVERT.
300
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290 290
-CLASS-I _R CP R-
50' L X 36' THICK
CON C R E T E H E A WALL
(TYP.)
280 — ---- ---- — -- 280
o
270 0 0 0 0 0 0 0 0 270
260 260
0+30 1 +00 1 +77.94
CULVERT CROSS—SECTION
EXISTING GRADE
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McADAMS
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293
www.mcadamsco.com
CLIENT
CITY OF DURHAM
101 CITY HALL PLAZA
DURHAM, NORTH CAROLINA 27701
919. 560. 4326
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REVISIONS
NO. DATE
PLAN INFORMATION
PROJECT NO.
DUR-18000
FILENAME
DUR18000-El
CHECKED BY
KR
DRAWN BY
SCB
SCALE
I. = 10,
DATE
7.09.2019
SHEET
STREAM BUFFERS
IMPACT EXHIBITS
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION