20140513 Ver 2_Modified_Permit_Drawings_20150427

WETLAND AND SURFACE WATER IMPACTS PERMIT
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ABANDON EXISTING COPPER -� �
AND FIBER CABLES :
DEEP CFEEK RNER
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DIVISION I ENVIRONMENTAL OFFICER
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PLOW COPPER & FIBER CABLES
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BORE PIT, 17' L OF
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PROJECT REFERENCE NO. SHEEf NO.
17BP.1.R.50 — �
DARE COUNTY BRIDGE #270003
',OADWAY DESIGN HYDRAULICS
ENGINEER ENGINEER
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CAASTAL WETLAND IMPACTS SURFACE WATER IMPACTS
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SURFACE WATER SCALE = I" = 60'
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REVISED PROPOSED LOWEST
LOW STEEL = 2.42'
PREVIOUS PROPOSED LOWEST -
LOW STEEL = 1.72'
SHEET PILING
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14+00
100 YEAR ELEV. = 0.04' �
25 YEAR ELEV. =-0.1'�
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BRIDGE HYDRAULIC DATA
DESIGN DISCHARGE = 950 CFS
DESIGN FREQUENCY = 50 YRS
DESIGN HW ELEVATION = 0.0 fT
BASE DISCHARGE _ 1200 CFS
BASE FREQUENCY = l00 YRS
BASE HW ELEVATION = 0.04 fT
OVERTOPPING DISCHARGE = 6755 CFS
OVERTOPPlN6 FREQUENCY= 500+ YRS
OVERTOPPING ELEVATION = 2.3 FT
= Fr
DATE OF SURVEY = 9-28-1/
WS. ELEVATION
AT DATE OF SURVEY = -0J �
15+00
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CL STA. 16 + 06.16 -L-, EL. 5.40'
SKEW = 75 DEGREES
1 @45', 1 @50', 1 @55',
21" CORED SLAB BRIDGE
VERTICAL ABUTMENTS
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EXIST. BRIDGE
TO BE REMOVED
REVISED PROPOSED ROADWAY
GRADE AT CENTERLINE
PREVIOUS PROPOSED ROADWAY
GRADE AT CENTERLINE
�— EXISTING LOWEST
�LOW STEEL = 1.67'
SHEET PILING
FEMA 100 YEAR COASTAL
STILL WATER ELEVATION = 4.0'
WSEL=-0.1'
�DATE: 9-28-11 (NWL)
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17+00
10' w
DIRECTIONAL BORE 825' AT A MINIMUM DEPTH OF Q
53' BELOW GRADE9 20' C/L9 TO AVOID VERTICAL �
SHEET PILINGa PULL IN 825' OF 4" PIPE WITH J
I-I/25" SUBDUCTe PULL COPPER AND FIBER a
CABLES THRUe U
F-
4 0' 0' 0' W
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HORIZONTAL SCALE
18+00
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I)ARE COUN�Y
PR�J]ECT: 270003
�IaII)GE 270003
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