20161268_Comparison of Impacts_20140312

Comparison of Impacts of DEIS Detailed Study Alternatives at LEDPA
with Option 6TR and Service Road Impacts Added
Includes avoidance and minimization measures incorporated into the design of Ml.
2NRCS has changed their method for calculating impacts to prime and unique farmland soils since completion of the DEIS and LEDPA selection. In the past, NRCS did not
include land zoned for urban uses as prime and unique farmland in the impact calculations. As of August 2012, NRCS considers areas zoned for urban uses with prime and
unique farmland soils as impacts unless the land is in areas considered urban or non - agricultural by NRCS. The prime and unique farmland impacts for the service roads were
calculated using the new methodology. The prime and unique farmland impacts for the detailed study alternatives at the time of LEDPA were calculated using the old
methodology. Updated prime and unique farmland impacts using the new methodology will be presented in the FEIS for Alternative M1 +E -H (Preferred).
DEIS Detailed Study Alternatives
M1 +E -H (Preferred)
M1 +R
M1 +U
M1 +E -H (Option 6TR)
M1 +R (Option 6TR)
M1 +U (Option 6TR)
with Service Roads and
with Service Roads and
with Service Roads and
LEDPA
Permanent Utility
LEDPA
Permanent Utility
LEDPA
Permanent Utility
Feature
Easementst
Easementst
Easementst
Length (miles)
17.5
21.95
17.1
21.20
18.0
20.46
No. of Interchanges
4
5
4
5
7
8
Delineated Wetland Impacts
244.58
275.64
295.88
326.73
216.88
246.22
(acres)
Delineated Stream Impacts
23,498
23,837
23,538
23,805
14,417
14,838
(linear ft)
Delineated Pond Impacts
3.80
4.58
4.10
4.88
3.60
4.37
(acres)
Delineated Surface Water
Impacts: Tributary Waters
Included in
Included in
Included in
Determined to Be
jurisdictional Based on the
stream impacts
10,976.60/0.25
stream impacts
10,976.60/0.25
stream impacts
1(),976.60/0.25
Presence of an OHWM
at LEDPA.
at LEDPA.
at LEDPA.
(square feet /acres)
Displacements
Residential
64
35
62
38
96
86
Business
76
35
76
36
91
52
Non -profit
5
5
5
5
11
11
Red - cockaded Woodpecker
Cluster Level Take
1
1
1
1
1
1
Other Federally Protected
Yes
Yes
Yes
Yes
Yes
Yes
Species Impacts
(M1 only)
(M1 only)
(M1 and R)
(M1 and R)
(M1 only)
(M1 only)
Natural Heritage Program
SNHA, Managed Areas, and
4.43
4.55
5.01
5.13
3.24
3.36
Wetland Mitigation Sites
(acres)
Prime and Unique Farmland
2
68
88
58
74
50
64
Soils (acres)
Forest (acres)
512.97
554.77
466.97
507.86
406.97
435.48
100 Year Floodplain and
11.73
17.39
8.80
14.46
3.00
8.79
Floodway Impacts (acres)
Historic Properties no.)
1
1
1
1
3
3
Noise Receptor Impacts
257
257
248
248
310
310
Recorded Archaeological
0
0
0
0
1
1
Sites (no.)
Wildlife Refuge/
Gamelands (acres)
0
0
0
0
0
0
Recreational /Parks (no.)
0
0
0
0
0
0
High Quality Waters
Watershed (HQW, ORW,
9.19
21.03
9.19
21.03
11.99
23.83
WSWS PA /CA) (acres)
Public Water Supply Wells
0
0
0
0
0
0
(100' Buffer)
Cemeteries (no.)
2
3
2
3
5
6
Potential UST /Hazmat Sites
4
5
4
5
4
5
(no.)
Total Cost in millions
$362.0
$339.7
$356.2
5 3,6.4
$404.8
$389.6
Includes avoidance and minimization measures incorporated into the design of Ml.
2NRCS has changed their method for calculating impacts to prime and unique farmland soils since completion of the DEIS and LEDPA selection. In the past, NRCS did not
include land zoned for urban uses as prime and unique farmland in the impact calculations. As of August 2012, NRCS considers areas zoned for urban uses with prime and
unique farmland soils as impacts unless the land is in areas considered urban or non - agricultural by NRCS. The prime and unique farmland impacts for the service roads were
calculated using the new methodology. The prime and unique farmland impacts for the detailed study alternatives at the time of LEDPA were calculated using the old
methodology. Updated prime and unique farmland impacts using the new methodology will be presented in the FEIS for Alternative M1 +E -H (Preferred).