20180049 Ver 2_Access Revision Packet20191106_20191210

WETLAND "f '
EX. MAINTAINED C
TEMPORARY IMPACT ___ L
AREA = 843.89 SF (70 BE ABAND NEI7)
OR 0.019 ACRES R�
_- - � _._ .„, PROPOSED 24" DIP SS J
r7p
y no no no no
s� wdo-01K no
+ WJO-3Sx
•
wJo�e3x
� 0 MILL CREEK ("SK") TOP OF BANK
(SEE SHEET S13 FOR IMPACTS)
% ° _ WJR-
GG
-
grr.. ems- _
I- Mr '�����+,,1 � J0-'29.M ••••• •gip
Ox
EX. MAINTAINED CORRIDOR
�.'+.• - (TO BE ABANDONED) -
+ JR-
- WJR-71Xx•
W f0-10 X m m • r��Fk`gAR m m.
• .F T m m y� \��. m m, T.
, , WJ0�28 x WJR-12^x R-1 %
wJo-7 iX m m '•,�, ��.��:WETLAND WF
r m ;'` m m TEMPORARY IMPACT s m•
+ •'•,^, '_ '::►g•����' AREA = 7745.42 SF WJR-73x,� T
•:.tiv: OR .18 ACRES 'PKx wjlr ax
a4c •R�'v �� .
WJOs27x
WETLAND \
(SEE SHEET W7 FOR IMPACTS)
10' PERMANENT MAINTENANCE
1 CORRIDOR WETLAND IMPACT
s i wJo-iJo-1s AREA = 1069.51 SF OR m m m ivio zsx,
( '+ 0.025 ACRES
m� m m �•� m m m m.
m m \m m m m m m
WJO-16WJO-1�/M WhI0-19
mX.. , m m. m m m m m m •..
TEMPORARY CONSTRUCTION wJor2m,�. • • �:.wJa�z7,m m m
ENTRANCE m
WJO-18k' m
i� x+
vN44T4&CREED
� 1730 Varsity Drive, Suite 500
Raleigh, North Carolina 27606
Phone: [phone], Fax: [phone]
F-1222
www.mckimcreed.com
CITY OF
DURHAM.
DEPARTMENT OF WATER MANAGEMENT
WETLAND "WF" POINT TABLE
DESCRIPTION
NORTHING
EASTING
WJO-01
841130.02
2020843.13
WJO-02
841146.09
2020849.63
WJO-03
841142.01
2020838.43
WJO-03
841168.86
2020864.70
WJO-04
841173.39
2020856.33
WJO-05
841153.99
2020849.34
WJO-06
841149.54
2020844.23
WJO-07
841166.06
2020838.57
WJO-08
841186.18
2020850.22
WJO-09
841205.95
2020853.89
WJO-10
841234.13
2020842.86
WJO-11
841250.74
2020832.68
WJO-12
841286.01
2020809.71
WJO-13
841292.74
2020773.79
WJO-14
841309.86
2020747.42
WJO-15
841309.97
2020733.23
WJO-16
841325.47
2020723.45
WJO-17
841325.35
2020704.73
WJO-18
841344.21
2020678.57
WJO-19
841327.49
2020655.28
WJO-20
841334.66
2020618.14
WJO-21
841335.31
2020586.28
WJO-22
841349.46
2020567.53
WJO-23
841348,75
2020555.41
WJO-24
841313.24
2020565.45
WJO-25
841304.92
2020591.55
WJO-26
841292.27
2020646.36
WJO-27
841279.15
2020677.48
WJO-28
841243.23
2020675.91
WJO-29
841196.38
2020682.64
WJO-30
841183.59
2020716.11
WJO-32
841160.15
2020800.90
WJO-33
841162,92
2020829.79
WJO-35
841133.89
2020835.83
ENO RIVER OUTFALL UPGRADE
PHASE II - WEST
WETLAND WF IMPACTS (REVISED)
WETLAND PERMANENT
i MAINTENANCE IMPACT
-, WETLAND TEMPORARY
IMPACT
LOD- LIMITS OF DISTURBANCE
- - Z1 - - STREAM BUFFER ZONE 1
- - Z2 - - STREAM BUFFER ZONE 2
�1 -11 II ... I ••••• WETLAND BOUNDARY
��I
�`. ��H CARg4' I`,,
SEAL _
037309
�1�1��21at�
40' 0 40' 80'
1 ■ ■ ■ ■ ■
1
SCALE: 1"=40' (Horiz.)
DATE: OCTOBER 2019
MCE PROJ.
9 3079-a012
DRAWN
DWH
DESIGNED
AJP
CHECKED
AJP
PROJ. MGR.
BRL
MAC FILE NUMBER
SCALE
HORIZONTAL:
DRAWNG NUMBER
1.-40,
VERTICAL:
W6
NA
Q�yiccn
STATl15: RFNS«
ISSUED FOR PERMIT

City of Durham
Eno River Outfall Upgrade Phase I II - East West
November 2019
Sheet No. Site No.Structure Size / Type
Permanent Fill
in Wetlands
(ac)
2016
Permanent Fill
in Wetlands
(ac)
DIFFERENCE Excavation in
Weltands (ac)
2016
Excavation in
Weltands (ac)
DIFFERENCE Permanent SW
impacts (ac)
2016 Permanent
SW impacts (ac)DIFFERENCE Temporary SW
impacts (ac)
2016 Temporary
SW impacts (ac)DIFFERENCE
Existing Channel
Impacts
Permanent (ft)
2016 Existing
Channel Impacts
Permanent (ft)
DIFFERENCE
Existing
Channel
Impacts
Temp. (ft)
2016 Existing
Channel
Impacts Temp.
(ft)
DIFFERENCE
S5 5 Rip Rap - - - - - - - 0.050 (0.050) 0.030 - 0.030 - 50.0 (50.0) 30.0 - 30.0
S8 8
Open Cut Trenching for
48" Gravity Sewer Main - - - - - - 0.040 - 0.040 - 0.040 (0.040) 60.0 - 60.0 - 60.0 (60.0)
S9 9
Open Cut Trenching for
48" Gravity Sewer Main - - - - - - 0.040 - 0.040 - 0.040 (0.040) 62.0 - 62.0 - 62.0 (62.0)
W3, W4,
S11 11
Open Cut Trenching for
48" Gravity Sewer Main - - - - 0.011 (0.011) 0.040 - 0.040 - 0.040 (0.040) 44.0 - 44.0 - 42.0 (42.0)
W5, S12 12
Open Cut Trenching for
48" Gravity Sewer Main - 0.001 (0.001) 0.020 0.022 (0.002) 0.020 - 0.020 0.010 0.060 (0.050) 44.0 - 44.0 50.0 94.0 (44.0)
W6, W7,
S13 13 0.025 0.028 (0.003) 0.199 0.110 0.089 - - - - - - - - - - - -
W8 16 Clearing - - - 0.004 0.004 - - - - - - - -
Total 0.025 0.029 (0.004) 0.223 0.143 0.080 0.140 0.050 0.090 0.040 0.180 (0.140) 210.0 50.0 160.0 80.0 258.0 (178.0)
WETLAND AND SURFACE WATER IMPACTS COMPARISON (positive number = increase)
WETLAND IMPACTS SURFACE WATER IMPACTS
Eno River Outfall Upgrade, Durham NC SAW-2017-00096 , DWR #18-0049
Impact Change Summary Table*
Sheet No. Site No.
Zone 1 and
Zone 2
Allowable
Impacts (ft2)
Zone 1
Mitigable
Temporary
Impacts (ft2)
Zone 1
Mitigable
Permanent
Impacts (ft2)
Permanent Fill
in Wetlands
(ac)
Excavation in
Wetlands (ac)
Permanent
SW Impact
(ac)
Temporary SW
Impact (ac)
Existing
Channel
Impacts
Permanent (ft)
Existing
Channel
Impacts
Temporary (ft)
S5 5 (2,647.24) 1,106.29 (629.86) - - (0.050) 0.030 (50.0) 30.0
S8 8 (559.58) (1,162.11) (26.25) - - 0.040 (0.040) 60.0 (60.0)
S9 9 335.92 978.50 - - - 0.040 (0.040) 62.0 (62.0)
S11, W5 11 (113.97) - - - (0.011) 0.040 (0.040) 44.0 (42.0)
S12 12 115.93 871.52 - (0.001) (0.002) 0.020 (0.050) 44.0 (44.0)
S13, W6, W7 13 (2,379.30) (997.82) - (0.003) 0.089 - - - -
S16, W8 16 4,811.49 4,084.28 - - 0.004 - - - -
Total (436.75) 4,880.66 (656.11) (0.004) 0.080 0.090 (0.140) 160.0 (178.0)
* positive number = increase
11/18/2019