20190210 Ver 1_A0011C_Permit Drawings_pages 44-45 table_20190214

WETLAND AND SURACE WATER IMPACTS SUMMARY
proposed
Hand Existing Existing culvert
Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel new and
Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts channel channel
No./ (From/To) Size / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. length losses NCSAM
JD ID (ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (ft) (ft) rating
1/ SAA L 27+51 to L 28+45 60" Pipe < 0.01 < 0.01 106 35 106 HI
BANK STABILIZATION < 0.01 18
2/SCC L 40+37 to L 41+g8 42" RCP 0.01 < 0.01 123 39 123 LOW
BANK STABILIZATION < 0.01 15
3/Hyatt L 78+49 to L 78+79 48" RCP < 0.01 < 0.01 20 12 20 LOW
4/SEE L83+27 to L 83+41 36" RCP < 0.01 < 0.01 47 17 41 LOW
BANK STABILIZATION < 0.01 15
5/Hyatt L 89+11 to L 94+81 Channel Change� 0.07 605 633 0 MED
5A(T)/WAA L 89+39 to L 90+80 FILL 0.06
SB/WBB L 90+57 to L 91+15 FILL 0.01
6/Cole./Hyatt L 94+77 to L 95+17 2@ 10' x 7' RCBC (BURIED 1') 0.02 0.02 76 116 76 MED
BANK STABILIZATION 0.01 44
7(T)/WDD L 95+27 to L 95+g4 FILL 0.06
8/SF L 117+57 to L 118+49 48" RCP < 0.01 < 0.01 707 5 107 MED
BANK STABILIZATION < 0.01 18
9/SD L 131+53 to L 132+17 30" CSP < 0.01 62 62 MED
BANK STABILIZATION < 0.01 25
70/SB I-P L 138+24 to L 143+27 Channel Change2 0.04 555 547 8 LOW
10A/WC L 138+51 to L 139+38 FILL 0.04
10B(T)/WD L 142+39 to L 143+06 FILL 0.04
11/SB-P L 145+39 to L 148+03 Channel Changez and culvert 0.02 < 0.01 200 106 115 85 LOW
12/SB-P Y16 11+76 to L 160+67 Channel Change' 0.01 234 247 0 LOW
13/SB-P Y16 12+62 to Y16 12+gg 2@ 48" RCP < 0.01 < 0.01 11 33 11 LOW
BANK STABILIZATION < 0.01 10
TOTALS': 0.21 0.21 0.04 2285 363 1542
*Rounded totals are sum of actual impacts
NOTES:
(T) Indicates Total Take
Channel Change� = functional uplift due to natural design techniques and/or buffers = no compenstory mitigation reccomended
Channel Change 2= no functional uplift, but channel already largely impacted by rip rap and/or no buffers = 0.25:1 reccommended except
for channel length loss, as applicable, at the 1:1 ratio
639
2018 Feb

WETLAND AND SURACE WATER IMPACTS SUMMARY
proposed
Hand Existing Existing culvert
Permanent Temp. Excavation Mechanized Clearing Permanent Temp. Channel Channel new and
Site Station Structure Fillln Fillln in Clearing in SW SW Impacts Impacts channel channel
No. (From/To) Size / Type Wetlands Wetlands Wetlands in Wetlands Wetlands impacts impacts Permanent Temp. length losses NCSAM
JD ID (ac) (ac) (ac) (ac) (ac) (ac) (ac) (ft) (ft) (ft) (ft) rating
14/Blair L 178+03 to L 181+63 3@ 10' x 8' RCBC (BURIED 1') 0.03 0.07 60 210 60 LOW
BANK STABILIZATION 0.03 88
15/SA L 186+20 to L 187+99 8' x 5' RCBC < 0.01 < 0.01 57 35 57 LOW
Channel ChangeZ 0.02 126 114 12 LOW
BANK STABILIZATION < 0.01 39
16/SA L 197+g5 to L 200+50 60" RCP 0.01 < 0.01 180 55 180 LOW
17/SA L 201+34 to L 202+84 Channel Change2 0.01 0.05 127 85 83 44 LOW
17A/SA L 202+g1 to L 204+06 42" RCP < 0.01 < 0.01 80 51 80 LOW
BANK STABILIZATION < 0.01 15
TOTALS": 0.21 0.32 0.17 3058 799 1682
433
"Rounded totals are sum of actual impacts
NOTES:
TOTALS ARE CONTINUED FROM SHEET
Recommended Mitigation based on NCSAM and proposed conditions:
106 feet at 3:1 (High Quality)
245 feet at 2:1 (Medium Quality)
721 feet at 1:1 (Low Qality)
859 feet at 0.25:1 (Stream relocations not involving natural design techniques and/or buffering)
2018 Feb