HomeMy WebLinkAbout20130682 Ver 1_Staff Comments_20130903i35a
b
d
e
f
9
h
1
k
Total
Table Total
Difference
Correct Totals
20342.8 \ q
7589.2 �) �'"
2351.4 1261.5
1371.1 This is actually a Zone 2 impact
1031.2
543.5
779.2
1192.6
3953.3
4135
808.1
3897.4
3289.3
40697.8
11847.8
40643.8
11847.8
54
40697.8
13218.9
Table 6 (Supplemental) Brockton Lake and Dam Project Riparian Buffer Impact Areas
Buffer
Permanent
Buffer
Zone 1
Zone 2
Impact
(P ) or
Reason for Impact
Stream
Mitigation
Impact
Impact
Number
Temporary
Name
Required
(sqft)
(sgft)
Fill: Removal and replacement of pool deck corner
UT to
B1
P
platform with grouted riprap to reduce and protect
Marsh
N
448.8
flood flow constriction
Creek
Excavation: Stream restoration and lake bank
UT to
B2
P
stabilization - shaping of bed and banks and replanting of
Marsh
N
13,435.5
native vegetation
Creek
Fill: Dam maintenance and protection including
UT to
B3
P
armoring of stilling basin and permanent access road
Marsh
N
21,490.5
12,980.7
Creek
Excavation: and regrading of upper pond dam to lower
UT to
B4
T
Marsh
N
9,601.9
5,406.2
elevation
Creek
Clearing: Temporary disturbance of existing maintained
UT to
B5
T
cleared buffer for site access. Existing conditions will be
Marsh
N
40,643.8
11,847.8
restored upon completion.
Creek
Excavation: Conversion to open water for lake bank
UT to
66
P
stabilization and lowering of upper dam.
Marsh
N
5,158.9
Creek
UT to
B7
P
Fill: Riprap Inlet /Outlet Stabilization
Marsh
N
744.1*
Creek
Total:1
90,779.4
1 30,234.7
'67 Area not included in total because is included in other impact areas
Table 6 (Supplemental) Brockton Lake and Dam Project Riparian Buffer Impact Areas
Buffer Permanent
Zone 1
Impact
(sgft)
Zone 2
Impact
(spit)
Impact (P) or
Temporary
Reason for impact
Stream
Number
b 3qY?
c N 33 %
a 9706•
Name
i
N
a 19317.0 V
d Z173.�
8767.2
Fill: Removal and replacement of pool deck corner
UT to
Bi P
platform with grouted rprap to reduce and protect
Marsh
11847.8
flood flow constriction
Creek
Excavation: Stream restoration and lake bank
UT to
B2 P
stabilization - shaping of bed and banks and replanting of
Marsh
89,440.0
native vegetation
Creek
83 P
Fill: Dam maintenance and protection including
UT to
armoring of stilling basin and permanent access road
Marsh
Creek
B4 T
Excavation: and regrading of upper pond dam to lower
UT to
elevation
Marsh
Creek
Clearing: Temporary disturbance of existing maintained
UT to
B5 T
cleared buffer for site access. Existing conditions will be
Marsh
restored upon completion.
Creek
B6 P
Excavation: Conversion to open water for lake bank
UT to
stabilization and lowering of upper dam.
Marsh
Creek
- 137- ' P
Fill: Riprap Inlet /Outlet Stabilization
UT to
Marsh
Creek
a 20 3q2.�
X351 `�
I.t(o1.5
1 3-71.1
• e
l 0 31. z
E13• S
Buffer
Mitigation
Required
Zone 1
Impact
(sgft)
Zone 2
Impact
(spit)
N
448.8 ✓
h
b 3qY?
c N 33 %
a 9706•
13435.5
i
N
a 19317.0 V
d Z173.�
8767.2
N
y i 13.1
9601.9
`•` s`/SR. -2-
5406.2
Py66. Z
N
40733.8
11847.8
N
5158.9
N
744.1
Total:
89,440.0
26,021.2
b 3g96.g
C 5234.4
d y2135
-7?q. 2.
h
►Ig2.L
i
3gs33
35.0
K
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TOTAL
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157 928
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TlMPORARY
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121113
73
FILL
MAMMANCE
CR
431
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Os
RgRT NLL
STAIN2ATION
FWf I
QOB
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ISPACTNUMBER
"AC"VE
OISCAIPTION
]MOWN
ON
SIM
IMPACT
AREA
I VJM
IAiACT
AREA(
FT)
01
EKOLYATMN
OONV6WONOFPONDTOSTOEAM
F162
MBS
36759
07
ERGVAT1011
SEDIMENTRIAMALUMBItAEE
F*1
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m
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TOTAL
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CITY OF RALEIGH
NORTH CAROLINA
BROCKTON DRIVE LAKE AND DAM PROJECT
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PLEASE UPDATE THE PROAECTWISE PATH (SELECT ATTRIBUTES IN PROIECTWISE AND CLICK CHECK BOX) Y
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