20001195 Ver 17_Updated Plans_20211105

Strickland, Bev
From: Thames, Kelly <[e-mail]>
Sent: Friday, November 5, 2021 11:37 AM
To: [e-mail]; Homewood, Sue
Cc: Leathers, Amber; Rysdon, Eric; Wilson, Jason C.; Jay Trimble; Erin Ryland; Thomas
Greiter; Bridges, Daniel
Subject: [External] SAW-2019-01071 and DWR# 20001195 Ver 17 - Charlotte Douglas Intl.
Airport
Attachments: CLT IP Update Memo_2021.11.05 (SAW-2018-01071).pdf
Follow Up Flag: Follow up
Flag Status: Completed
CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
Report Spam.
Good Morning Bryan and Sue,
I hope you are both well!
Attached is a modification request to SAW-2019-01071 and DWR# 20001195 Ver 17 Individual Permit approvals for the
Charlotte Douglas International Airport.
In summary, there is a reduction of permanent impacts, an increase in temporary impacts, and the bringing forward of an
approved impact from a future phase to the current Phase I.
For the reduction of permanent impacts, CLT would like to request a mitigation refund (Charlotte Umbrella Bank said they
could do this upon agency approvals).
Please let me know if any questions.
Thanks!
Kelly
Kelly Thames, PWS, TN-QHP
Sr. Environmental Project Manager
HDR
440 S. Church Street, Suite 1000
Charlotte, NC 28202-2075
D 704.338.6710 M 704.996.9986
[e-mail]
hdrinc.com/follow-us
1

Charlotte Douglas International Airport I Individual Permit Updates Memo
SAW-2018-01071 and DWR # 20001195 Ver 17
Individual Permit Updates Memo
Date: November 5, 2021
Project: Charlotte Douglas International Airport
(SAW-2018-01071 and DWR # 20001195 Ver 17)
To: Bryan Roden -Reynolds, PWS — USACE
Sue Homewood — NCDEQ DWR
From: Kelly Thames, PWS - HDR
Subject: Section 404/401 Individual Permit Updates
Introduction
The Charlotte Douglas International Airport (CDIA or CLT) received a Clean Water Act (CWA)
Section 401 Individual Water Quality Certification from the North Carolina Department of
Environmental Quality (NCDEQ)-Division of Water Resources (DWR) in August 2020 (DWR#
20001195 Ver 17) and received a CWA Section 404 Individual Permit from the United States
Army Corps of Engineers (USACE) in December 2020 (SAW-2018-01071).
There are two project phases that would involve impacts to waters of the United States (WoUS)
and which were also the discussion of the CWA Section 404 and 401 approvals. Phase 1
includes the North End Around Taxiway (NEAT) and Deicing Pad and South Crossfield Taxiway
(SCF). Phase 2 includes the South Ramp Expansion element and 4th Parallel Runway element
which are still in the conceptual design phase. The purpose of this memo is to document design
changes in the NEAT Phase I element, to include: the elimination of a previously approved
permanent impact, the addition of temporary impacts, and pulling forward an impact previously
proposed for Phase 2 to Phase 1.
Phase 1
Elements that involve impacts to waters of the U.S. (WoUS) in Phase 1 consist of the NEAT and
SCF. The NEAT element would result in permanent loss impacts to 1,302 linear feet of
perennial stream channel and 0.68 acres of wetlands, for which mitigation has been paid
(Appendix A). The NEAT would also result in permanent non -loss impacts to 174 linear feet of
perennial stream channel and temporary impacts to 418 linear feet of stream channel, for which
mitigation would not be required.
The SCF element would result in permanent impacts to 1,982 linear feet of stream channel and
0.14 acres of wetlands, for which mitigation has been paid (Appendix B). Impacts to 2,614
linear feet of stream channel were previously permitted under SAW-2006-32521 (expires
12/31/2024) and were not included in the SCF Phase I impact totals due to its previous
approval. However, the 2,614 linear feet of impact were not made, nor mitigated, at the time of
the SAW-2006-32821 approval; therefore, while the impact amount is not included in the impact

Charlotte Douglas International Airport I Individual Permit Updates Memo
SAW-2018-01071 and DWR # 20001195 Ver 17
totals because of a previous approval, the mitigation credits associated with this impact have
been paid (Appendix B). Table 1 summarizes the impacts associated with Phase 1 that have
been approved. Table 2 summarizes the mitigation credits associated with Phase 1 impacts for
which mitigation has been paid.
Perennial Streams (LF) 1,302 174 246
Intermittent Streams (LF) 0 0 172
Wetlands (AC)
0.68
0
0
Stream Total:
1,302 LF
174 LF
418 LF
Wetland Total:
0.68 AC
0 AC
0 AC
1,722
172
0.68
1,894 LF
0.68 AC
Perennial Streams (LF)
1,857*
0
0
1,857*
Intermittent Streams (LF)
MMBL 30
WO,
M
Wetlands (AC)
0.14
0
0
0.14
Stream Total:
1,982 LF*
1W 30 LF
0 MO"2,012
LF
Wetland Total:
0.14 AC
i�
0 AC
0.14 AC
Stream Total:
3,284 LF
.418 LF
3,906 LF
Wetland Total:
0.82 AC
0 AC
0.82 AC
Total does not include the 2,614 LF of a previously approved impact per SAW-2006-32521
Table 2. Su
NEAT Streams 1,302 LF
2,604
Appendix A
Wetlands 0.68 AC
1.25
Appendix A
HUC 03050103
rStreams-W"1,982 L
SC s.
3,496.5
.9 Appendix B'
—
Streams 2,614* LF
2,614*
Appendix B
Wetlands 0.14 AC
0.28
Appendix B
A previously approved impact of 2,614 LF per SAW-2006-32521, for which mitigation
was paid for during the SAW-2018-01071
permitting process
2

Charlotte Douglas International Airport I Individual Permit Updates Memo
SAW-2018-01071 and DWR # 20001195 Ver 17
Design Updates
NEAT Regional Detention Basin
Recent design changes have been made in the NEAT Phase I element. The Ticer Branch
Detention was redesigned to shift more of the floodplain attenuation storage grading for the goal
of providing more developable area to the south (Appendix C, Figure 1 and Appendix D).
With this shift in detention area grading, the access road to the basin was moved to the north
and changed the access road entrance to Wilkinson Boulevard instead of off the proposed Old
Dowd Road Relocation. This shift in the basin to the north allowed for the location change of the
access road, which eliminates impact PS3-1 and eliminates the need to impact 108 linear feet of
stream (66 If of permanent loss and 42 If of permanent non -loss impact). The 66 linear feet of
permanent loss was paid for at a 2:1 mitigation ratio (132 credits) (Appendix C, Figure 2).
Additionally, the sewer relocation geotechnical investigation identified that soils in the area are
unsuitable and not strong enough to support trenchless installation methodology (i.e. jack -and -
bore) and would likely cave in the bottom of the creek. Thus, the relocated sewer will not be
able to be jack -and -bored beneath the stream as originally proposed, but will be open cut to
cross Ticer Branch. There are two open cut sewer crossings proposed, which are two new
temporary impacts; each will be 50 liner feet of temporary impact for a total of 100 linear feet of
additional temporary impact (TS10-1 and TS11-1) (Appendix C, Figure 1 and Appendix E).
Ductile iron pipe will be used with four feet of cover so that rip rap protection will not be
necessary to be placed in the channel. A coffer dam and pump around will be used during
construction so that the open cut sewer placement will be conducted in the dry. The stream bed
and banks will be returned to pre -construction grade, revegetated, and stabilized. As these
open cut impacts are temporary in nature, no mitigation is proposed.
CLT is hereby requesting a refund from the City of Charlotte Umbrella Stream and Wetland
Mitigation Bank (Umbrella Bank) for 132 stream credits (66 If of loss at a 2:1 ratio) in the
Hydrologic Unit Code (HUC) 03050101, pending approval form the USACE and the NCDEQ
DWR.
North End Around Taxiway
Due to recent design changes to the north end around taxiway that required revisions to the
associated stormwater drainage system, an impact originally proposed in Phase 2 will be pulled
forward to Phase I (Appendix C, Figure 3 and Figure 4). This previous Phase 2 impact (PW1-
2, 0.76 ac.), now proposed to occur in Phase I, is an extension of an impact already approved
and mitigated for in Phase I (PW2-1, 0.22 ac.).
Initial grading for the north end around taxiway (or half NEAT) in Phase 1 as originally proposed
has brought about the need for construction stormwater control and design that would impact
Wetland 6 to its full extent as proposed to occur in Phase 2 (Appendix C, Figure 4 and
Appendix F). The original construction stormwater control design considered the installation of
22 small sediment traps and skimmer basins around the proposed storm drainage inlets to treat
the construction area and phases (Appendix G). This system of many smaller control devices
3

Charlotte Douglas International Airport I Individual Permit Updates Memo
SAW-2018-01071 and DWR # 20001195 Ver 17
would provide the protection of smaller drainage areas during construction but also would
require the removal, adjustment, and reconstruction of control devices as construction
progressed. During conversations with NCDEQ-DEMLR, it was expressed that the approach of
many smaller control devices was not ideal for controlling stormwater runoff and turbidity
downstream during storm events as it poses challenges for the contractor to maintain, as well
as increases the risk of compliance failure. Thus, stormwater design was optimized to size and
locate a single large construction stormwater basin at the lowest drainage point for the Phase 1
NEAT to treat the full project site in a consolidated manner for the 10-year, 24-hour storm event.
This single large stormwater basin will be temporary in nature, installed at the beginning of
construction, and is expected to remain in place for approximately 10 months at which time the
contractor will be required to stabilize the site and remove the temporary sediment basin
(Appendix C, Figure 4 and Appendix F). Once the temporary sediment basin is removed, a
drainage ditch will be placed through the area to maintain drainage for approximately three
years, until the construction of the full NEAT and 4th Parallel Runway begins. At that time, it is
anticipated that a pipe(s) will be placed in this area and fill will be placed on top to facilitate
bringing the elevation up to grade to match grades of the existing center runway and
forthcoming half end around taxiway (Appendix C, Figure 3 [6A]).
The proposed temporary sediment basin will outlet to a non -jurisdictional area south of Old
Dowd Road. This non -jurisdictional area is stabilized with riprap and vegetation that forms an
additional storage area where stormwater must pass through an inlet -controlled culvert prior to
finally discharging to downstream waters. Culvert inlets and outlets will all have rock pipe rings
during construction.
The temporary sediment basin was designed for the 10-year, 24-hour storm event that requires
a minimum berm height of approximately 6.5 feet. The design height of the berm is 10 feet to
prevent a larger storm event from backing up into the basin due the existing 18-inch low flow
inlet -controlled pipe under Old Dowd Road. Additionally, there are two existing 72-inch culverts
that are 8 feet higher than the low flow pipe which provide additional drainage during large
storm events, as necessary. A proposed 54-inch pipe is also part of the outlet drainage system
alongside the existing pipes to ensure continuous drainage is maintained. As the temporary
sediment basin is not lined, this added capacity in the temporary sediment basin will provide
over 100,000 cubic feet of storage to account for storm water volumes plus any groundwater
influence. The contractor will be required to clean out the basin when sediment levels reach half
the storage depth to maintain proper function of the basin.
CLT is hereby requesting the PW1-2 impact be mitigated at a 1.5:1 ratio (1.25 wetland credits)
as proposed in the approved Individual Permit from the City of Charlotte Umbrella Bank. The
North Carolina Wetland Assessment Methodology form for PW1-2 (Wetland 6) is attached in
Appendix H. Wetland credits are available for this request (Appendix 1).
Conclusion
Overall Phase 1 stream impacts were reduced from 3,906 to 3,898 linear feet for a net
difference of 8 linear feet as a result of the elimination of Impact PS3-1 (108 If [66 If permanent

Charlotte Douglas International Airport I Individual Permit Updates Memo
SAW-2018-01071 and DWR # 20001195 Ver 17
loss and 42 If permanent non -loss]) and the addition of Impacts TS10-1 and TS11-1 (100 If of
impact) due to redesigns in the NEAT element. Overall Phase 1 wetland impacts were
increased from 0.82 acre to 1.58 acre (addition of previously approved Phase 2 0.76 ac.
wetland impact) due to redesign in the NEAT element. Table 3 (below) reflects the proposed
revisions discussed herein — yellow highlighted numbers reflect the changes in impact totals
from original Phase 1 Impacts (Table 1) to the current impact totals based on redesign of the
detention basin and north end around taxiway in the NEAT element. No design changes are
being proposed in the SCF element.
Perennial Streams (LF) 1,236 132 346 1,714
Intermittent Streams (LF) 0 0 172
Wetlands (AC) 0.68 0 0 0.68
Perennial Streams (LF) 1,857* 0 0 1,857*
Intermittent Streams (LF) 125 30 dwmi da
Wetlands (AC) 0.14 0 0 0.14
Stream Total:
Wetland Total:,NEAT and SCIF
-
._
Stream Total: 3,218= 162� 518 3,898
Wetland Total: 1.58 = 0 AC 0 AC 1.58 AC
Total does not include the 2,614 LF of a previously approved impact per SAW-2006-32521
CLT is requesting a refund from the City of Charlotte Umbrella Stream and Wetland Mitigation
Bank for the reduction of 66 If of permanent stream impact (132 stream credits) and requesting
approval for 0.76 acre of wetland impact (1.25 wetland credits), pending approval from the
USACE and the NCDEQ DWR. Wetland credits are available for this request (Appendix 1).
Table 4 summarizes the revised permanent impacts and associated revised mitigation
discussed herein.
5

N
i
O�
E�
U)LO
N O)
(6 �
Q O
O
O
1-
U
LC)
N
d ry
N
>
m
c�
LO
— O
m N
O
Q W
L
+
Qo
C Q
,m O U)
E
LL U
J
y
Q
CIT
�
C7 V
N
7
0
d
O
C
O
�
U
C
O
o
U
_ Q
C
J
U
m
+
R
O
N
N
a
O
o LO
(0N
�
N �
LL U
J Q
N
O 00
6
U)
U) -0
E
N N
Q
W
Z
�r
N N N N
O) O) O) N
C C C N
O O O O
0 0 t
U U U Q
O O O 0)
Z Z Z --
E
0 0 0 �
0) 0) 0)
m m m o_
U U U O
O O O W
Z Z Z p
N
Q
N N N N
0) 0) 0
C C C
L L L -
U U U j
O O O
Z Z Z o
CQ
M N
O
O N N N O
C c g
C) t t t rn
U U U U :t'
o o o E
t
3
0
LC) x N
V 00 N
N M
O
(h N O
N
O
i
N
LL LL Q
J J U J
N Q V
pp V
M O
N O C4
O
U
C
Q
E
E E N
C
O
N CL
U)
U a>i
to Q
Q

Appendix A
NEAT Mitigation Payment

Compensatory Mitigation Responsibility Transfer Form
Permittee: City of Charlotte —Aviation Department, Haley Gentry Action ID: SAW-2018-01071
Project Name: Charlotte Douglas International Airport Expansion (Phase 10nly) County: Mecklenburg
Instructions to Permittee: The Permittee must provide a copy of this form to the Mitigation Sponsor, either an approved
Mitigation Bank or the North Carolina Division of Mitigation Services (NCDMS), who will then sign the form to verify the
transfer of the mitigation responsibility. Once the Sponsor has signed this form, it is the Permittee's responsibility to ensure
that to the U.S. Army Corps of Engineers (USACE) Project Manager identified on page two is in receipt of a signed copy of this
form before conducting authorized impacts, unless otherwise specified below. If more than one mitigation Sponsor will be
used to provide the mitigation associated with the permit, or if the impacts and/or the mitigation will occur in more than one
8-digit Hydrologic Unit Code (HUC), multiple forms will be attached to the permit, and the separate forms for each Sponsor
and/or HUC must be provided to the appropriate mitigation Sponsors.
Instructions to Sponsor: The Sponsor must verify that the mitigation requirements (credits) shown below are available at the
identified site. By signing below, the Sponsor is accepting full responsibility for the identified mitigation, regardless of
whether or not they have received payment from the Permittee. Once the form is signed, the Sponsor must update the bank
ledger and provide a copy of the signed form and the updated bank ledger to the Permittee, the USACE Project Manager, and
the Wilmington District Mitigation Office (see contact information on page 2). The Sponsor must also comply with all
reporting requirements established in their authorizing instrument.
Permitted Impacts and Compensatory Mitigation Requirements:
Permitted Impacts Requiring Mitigation` 8-digit HUC and Basin: 03050101, Catawba River Basin
Stream Impacts linear feet)
Wetland Im acts (acres)
Warm
Cool
Cold
Riparian Riverine Riparian Non-Riverine
Non -Riparian
Coastal
1.302
0.68
*If more than one mitigation sponsor will be used for the permit, only include impacts to be mitigated by this sponsor.
Com ensatory Mitigation Requirements: 8-digit HUC and Basin: 03050101, Catawba River Basin
Stream Mitigation (credits)
Wetland Mitigation credits)
Warm
Cool
Cold
Riparian
Riverine
Riparian Non -
Riverine
Non -Riparian
Coastal
2,604
1.25
Mitigation Site Debited: Charlotte Mecklenburg Stormwater Services — Allen brook Tributa a and Torrence Creek
(List the name of the bank to be debited. For umbrella banks, also list the specific site. For NCDMS, list NCDMS. If the NCDMS
acceptance letter identifies a specific site, also list the specific site to be debited).
Section to be completed by the Mitigation Sponsor
Statement of Mitigation Liability Acceptance: I, the undersigned, verify that I am authorized to approve mitigation
transactions for the Mitigation Sponsor shown below, and I certify that the Sponsor agrees to accept full responsibility for
providing the mitigation identified in this document (see the table above), associated with the USACE Permittee and Action
ID number shown. I also verify that released credits (and/or advance credits for NCDMS), as approved by the USACE, are
currently available at the mitigation site identified above. Further, I understand that if the Sponsor fails to provide the
required compensatory mitigation, the USACE Wilmington District Engineer may pursue measures against the Sponsor to
ensure compliance associated with the mitigation requirements.
Mitigation Sponsor Name: City of Charlotte Storm Water Services --Umbrella Stream and Wetland Bank
Name of Sponsor's Authorized Representative:
Erin Shanaberger; Mitigation Bank Administrator
Signature of Sponsor's Authorized Representative
2/17/2021
Date of Signature

Conditions for Transfer of Compensatory Mitigation Credit:
• Once this document has been signed by the Mitigation Sponsor and the USACE is in receipt of the signed form, the
Permittee is no longer responsible for providing the mitigation identified in this form, though the Permittee remains
responsible for any other mitigation requirements stated in the permit conditions.
• Construction within jurisdictional areas authorized by the permit identified on page one of this form can begin only after
the USACE is in receipt of a copy of this document signed by the Sponsor, confirming that the Sponsor has accepted
responsibility for providing the mitigation requirements listed herein. For authorized impacts conducted by the North
Carolina Department of Transportation (NCDOT), construction within jurisdictional areas may proceed upon permit
issuance; however, a copy of this form signed by the Sponsor must be provided to the USACE within 30 days of permit
issuance. NCDOT remains fully responsible for the mitigation until the USACE has received this form, confirming that the
Sponsor has accepted responsibility for providing the mitigation requirements listed herein.
■ Signed copies of this document must be retained by the Permittee, Mitigation Sponsor, and in the USACE administrative
records for both the permit and the Bank/ILF Instrument. It is the Permittee's responsibility to ensure that the USACE
Project Manager (address below) is provided with a signed copy of this form.
• If changes are proposed to the type, amount, or location of mitigation after this form has been signed and returned to
the USACE, the Sponsor must obtain case -by -case approval from the USACE Project Manager and/or North Carolina
Interagency Review Team (NCIRT). If approved, higher mitigation ratios may be applied, as per current District guidance
and a new version of this form must be completed and included in the USACE administrative records for both the permit
and the Bank/ILF Instrument.
Comments/Additional Conditions: A letter from Charlotte Meckienburg Stormwater Services, confirming their willing and
able to accept the applicants compensatory mitigation responsibility, dated 511512020was included with the
preconstruction notification.
This form is not valid unless signed below by the USACE Project Manager and by the Mitigation Sponsor on Page 1. Once
signed, the Sponsor should provide copies of this form along with an updated bank ledger to:1) the Permittee, 2) the USACE
Project Manager at the address below, and 3) the Wilmington District Mitigation Office, Attn: Todd Tugwell, 11405 Falls
of Neuse Road, Wake Forest, NC 27587 (email: [e-mail]). Questions regarding this form or any of the
permit conditions may be directed to the USACE Project Manager below.
USACE Project Manager: David L. Shaeffer
USACE Field Office: Asheville Regulatory Office
US Army Corps of Engineers
151 Patton Avenue, Room 208
Asheville, North Carolina 28801
Email: [e-mail]
Digitally signed by
SHAEFFER.DAVID.LEIGH.12
60750573
USACE Project Manager Signature
12f 14/2020
Date of Signature
Current Wilmington District mitigation guidance, including information on mitigation ratios, functional assessments, and
mitigation bank location and availability, and credit classifications (including stream temperature and wetland groupings) is
available at http,/fribits.usace.army.mil

Compensatory Mitigation Responsibility Transfer Form
Permittee: Charlotte -Douglas International Airport, Haley Gentry Action ID: SAW-2006-32521
Project Name: Charlotte -Douglas International Airport County: Mecklenburg
Instructions to Permittee: The Permittee must provide a copy of this form to the Mitigation Sponsor, either an approved
Mitigation Bank or the North Carolina Division of Mitigation Services (NCDMS), who will then sign the form to verify the
transfer of the mitigation responsibility. Once the Sponsor has signed this form, it is the Permittee's responsibility to ensure
that to the U.S. Army Corps of Engineers (USACE) Project Manager identified on page two is in receipt of a signed copy of this
form before conducting authorized impacts, unless otherwise specified below. If more than one mitigation Sponsor will be
used to provide the mitigation associated with the permit, or if the impacts and/or the mitigation will occur in more than one
S-digit Hydrologic Unit Code (HUC), multiple forms will be attached to the permit, and the separate forms for each Sponsor
and/or HUC must be provided to the appropriate mitigation Sponsors.
Instructions to Sponsor: The Sponsor must verify that the mitigation requirements (credits) shown below are available at the
identified site. By signing below, the Sponsor is accepting full responsibility for the identified mitigation, regardless of
whether or not they have received payment from the Permittee. Once the form is signed, the Sponsor must update the bank
ledger and provide a copy of the signed form and the updated bank ledger to the Permittee, the USACE Project Manager, and
the Wilmington District Mitigation Office (see contact information on page 2). The Sponsor must also comply with all
reporting requirements established in their authorizing instrument.
Permitted Impacts and Compensatory Mitigation Requirements:
Permitted Impacts Requiring Mitigation* 8-digit HUC and Basin: 03050103, Catawba River Basin
Stream Impacts (linear feet)
Wetland Impacts (acres)
Warm
Cool
Cold
Riparian Riverine
Riparian Non-Riverine
Non -Riparian
Coastal
2,614
*If more than one mitigation sponsor will be used for the permit, only include impacts to be mitigated by this sponsor.
Compensatory Mitigation Requirements: 8-digit HUC and Basin: 03050103, Catawba River Basin
Stream Mitigation (credits)
Wetland Mitigation (credits)
Warm
Cool
Cold
Riparian Riverine
Riparian Non-Riverine
Non -Riparian
Coastal
2,614
Mitigation Site Debited: Charlotte Mecklenburg Stormwater Services — Sedgefield Park -Dairy Branch, Edwards Branch Ph
III, and Muddy Creek
(List the name of the bank to be debited. For umbrella banks, also list the specific site. For NCDMS, list NCDMS. If the NCDMS
acceptance letter identifies a specific site, also list the specific site to be debited).
Section to be completed by the Mitigation Sponsor
Statement of Mitigation Liability Acceptance: I, the undersigned, verify that I am authorized to approve mitigation
transactions for the Mitigation Sponsor shown below, and I certify that the Sponsor agrees to accept full responsibility for
providing the mitigation identified in this document (see the table above), associated with the USACE Permittee and Action
ID number shown. I also verify that released credits (and/or advance credits for NCDMS), as approved by the USACE, are
currently available at the mitigation site identified above. Further, I understand that if the Sponsor fails to provide the
required compensatory mitigation, the USACE Wilmington District Engineer may pursue measures against the Sponsor to
ensure compliance associated with the mitigation requirements.
Mitigation Sponsor Name: City of Charlotte Storm Water Services --Umbrella Stream and Wetland Bank
Name of Sponsor's Authorized Representative: Erin Shanaberger; Mitigation Bank Administrator
9/9/2021
Signature of Sponsor's Authorized Representative Date of Signature

Conditions for Transfer of Compensatory Mitigation Credit:
• Once this document has been signed by the Mitigation Sponsor and the USACE is in receipt of the signed form, the
Permittee is no longer responsible for providing the mitigation identified in this form, though the Permittee remains
responsible for any other mitigation requirements stated in the permit conditions.
• Construction within jurisdictional areas authorized by the permit identified on page one of this form can begin only after
the USACE is in receipt of a copy of this document signed by the Sponsor, confirming that the Sponsor has accepted
responsibility for providing the mitigation requirements listed herein. For authorized impacts conducted by the North
Carolina Department of Transportation (NCDOT), construction within jurisdictional areas may proceed upon permit
issuance; however, a copy of this form signed by the Sponsor must be provided to the USACE within 30 days of permit
issuance. NCDOT remains fully responsible for the mitigation until the USACE has received this form, confirming that the
Sponsor has accepted responsibility for providing the mitigation requirements listed herein.
• Signed copies of this document must be retained by the Permittee, Mitigation Sponsor, and in the USACE administrative
records for both the permit and the Bank/ILF Instrument. It is the Permittee's responsibility to ensure that the USACE
Project Manager (address below) is provided with a signed copy of this form.
• If changes are proposed to the type, amount, or location of mitigation after this form has been signed and returned to
the USACE, the Sponsor must obtain case -by -case approval from the USACE Project Manager and/or North Carolina
Interagency Review Team (NCIRT). If approved, higher mitigation ratios may be applied, as per current District guidance
and a new version of this form must be completed and included in the USACE administrative records for both the permit
and the Bank/ILF Instrument.
Comments/Additional Conditions: A letter from Charlotte Umbrella Stream and Wetland Mitigation Bank, confirming
they are willing and able to accept the applicant's compensatory mitigation responsibility, dated 5/15/2020 was included
with the preconstruction notification.
This form is not valid unless signed below by the USACE Project Manager and by the Mitigation Sponsor on Page 1. Once
signed, the Sponsor should provide copies of this form along with an updated bank ledger to:1) the Permittee, 2) the USACE
Project Manager at the address below, and 3) the Wilmington District Mitigation Office, Attn: Todd Tugwell, 11405 Falls
of Neuse Road, Wake Forest, NC27587 (email: [e-mail]. mil). Questions regarding this form or any of the
permit conditions may be directed to the USACE Project Manager below.
USACE Project Manager: David L. Shaeffer
USACE Field Office:
Charlotte Regulatory Office
US Army Corps of Engineers
8430 University Executive Park Drive, Suite 615
Charlotte, North Carolina 28262
Email:
[e-mail]
Digitally signed by
SHAEFFER.DAVID.LEIGH.12
60750573
USACE Project Manager Signature
01/25/2020
Date of Signature
Current Wilmington District mitigation guidance, including information on mitigation ratios, functional assessments, and
mitigation bank location and availability, and credit classifications (including stream temperature and wetland groupings) is
available at http://ribits.usace.army.mil

Appendix B
SCF Mitigation Payment

Compensatory Mitiptation Responsibility Transfer Form
Permittee: City of Charlotte —Aviation Department, Haley Gentry Action ID: SAW-2018-01071
Project Name: Charlotte Douglas International Airport Expansion (Phase 1 Only) County: Mecklenburg
Instructions to Permittee: The Permittee must provide a copy of this form to the Mitigation Sponsor, either an approved
Mitigation Bank or the North Carolina Division of Mitigation Services (NCDMS), who will then sign the form to verify the
transfer of the mitigation responsibility. Once the Sponsor has signed this form, it is the Permittee's responsibility to ensure
that to the U.S. Army Corps of Engineers (USACE) Project Manager identified on page two is in receipt of a signed copy of this
form before conducting authorized impacts, unless otherwise specified below. If more than one mitigation Sponsor will be
used to provide the mitigation associated with the permit, or if the impacts and/or the mitigation will occur in more than one
8-digit Hydrologic Unit Code (HUC), multiple forms will be attached to the permit, and the separate forms for each Sponsor
and/or HUC must be provided to the appropriate mitigation Sponsors.
Instructionsto Sponsor: The Sponsor must verify that the mitigation requirements (credits) shown below are available at the
identified site. By signing below, the Sponsor is accepting full responsibility for the identified mitigation, regardless of
whether or not they have received payment from the Permittee. Once the form is signed, the Sponsor must update the bank
ledger and provide a copy of the signed form and the updated bank ledger to the Permittee, the USACE Project Manager, and
the Wilmington District Mitigation Office (see contact information on page 2). The Sponsor must also comply with all
reporting requirements established in their authorizing instrument.
Permitted Impacts and Compensatory Mitigation Requirements:
Permitted I mpacts Requiring Mitigation* 8-digit RUC and Basin: 03050103, Catawba River Basin
Stream Impacts linear feet
Wetland Impacts a res
Warm
Cool
Cold
RiparianRiverine
Riparian Non-Riverine
Non -Riparian
Coastal
1,982
0.14
*If more than one mitigation sponsor will be used for the permit, only include impacts to be mitigated by this sponsor.
Compensatory Mitigation Requirements: 8-digit RUC and Basin: 03050103, Catawba River Basin
Stream Mitigation credits
Wetland Mitigation credits)
Warm
Cool l
Cold
Riparian
Riparian Non -
Non -Riparian
Coastal
I
Riverine
Riverine
3,496.5
0.28
Mitigation Site Debited: Charlotte Mecklenburg Stormwater Services — Sedgefield Park -Dairy Branch, Edwards Branch Ph III,
and Muddy Creek._(List the name of the bank to be debited. For umbrella banks, also list the specific site. For NCDMS, list
NCDMS. If the NCDMS acceptance letter identifies a specific site, also list the specific site to be debited).
Section to be completed by the Mitigation Sponsor
Statement of Mitigation Liability Acceptance: I, the undersigned, verify that I am authorized to approve mitigation
transactions for the Mitigation Sponsor shown below, and I certify that the Sponsor agrees to accept full responsibility for
providing the mitigation identified in this document (see the table above), associated with the USACE Permittee and Action
ID number shown. I also verify that released credits (and/or advance credits for NCDMS), as approved by the USACE, are
currently available at the mitigation site identified above. Further, I understand that if the Sponsor fails to provide the
required compensatory mitigation, the USACE Wilmington District Engineer may pursue measures against the Sponsor to
ensure compliance associated with the mitigation requirements.
Mitigation Sponsor Name:,
City of Charlotte Storm Water Services-- Umbrella Stream and Wetland Bank
Nof Sponsor'Authorized Representative: Erin Shanaberger; Mitigation Bank Administrator
ame s _
Signature of Sponsor's Authorized Representative
2/17/2021
Date of Signature

Conditions for Transfer of Compensatory Mitigation Credit:
• Once this document has been signed by the Mitigation Sponsor and the USACE is in receipt of the signed form, the
Permittee is no longer responsible for providing the mitigation identified in this form, though the Permittee remains
responsible for any other mitigation requirements stated in the permit conditions.
• Construction within jurisdictional areas authorized by the permit identified on page one of this form can begin only after
the USACE is in receipt of a copy of this document signed by the Sponsor, confirming that the Sponsor has accepted
responsibility for providing the mitigation requirements listed herein. For authorized impacts conducted by the North
Carolina Department of Transportation (NCDOT), construction within jurisdictional areas may proceed upon permit
issuance; however, a copy of this form signed by the Sponsor must be provided to the USACE within 30 days of permit
issuance. NCDOT remains fully responsible for the mitigation until the USACE has received this form, confirming that the
Sponsor has accepted responsibility for providing the mitigation requirements listed herein.
■ Signed copies of this document must be retained by the Permittee, Mitigation Sponsor, and in the USACE administrative
records for both the permit and the Bank/ILF Instrument. It is the Permittee's responsibility to ensure that the USACE
Project Manager (address below) is provided with a signed copy of this form.
■ If changes are proposed to the type, amount, or location of mitigation after this form has been signed and returned to
the USACE, the Sponsor must obtain case -by -case approval from the USACE Project Manager and/or North Carolina
Interagency Review Team (NCIRT). If approved, higher mitigation ratios may be applied, as per current District guidance
and a new version of this form must be completed and included in the USACE administrative records for both the permit
and the Bank/ILF Instrument.
Comments/Additional Conditions: A letter from Charlotte Mecklenburg Stormwater Services confirming their willing and
male to 4ccelit the 4001ilrafits cut nvensal-t3tv rriili atiorr cestionsibifil.y. dated S 15 2020 was included with the
preconstruction notification.
This form is not valid unless signed below by the USACE Project Manager and by the Mitigation Sponsor on Page 1. Once
signed, the Sponsor should provide copies of this form along with an updated bank ledger to:1) the Permittee, 2) the USACE
Project Manager at the address below, and 3) the Wilmington District Mitigation Office, Attn: Todd Tugwell, 11405 Falls
of Neuse Road, Wake Forest, NC 27587 (email: [e-mail]). Questions regarding this form or any of the
permit conditions may be directed to the USACE Project Manager below.
USACE Project Manager: David L. Shaeffer
USACE Field Office: Asheville Regulatory Office
US Army Corps of Engineers
151 Patton Avenue, Room 208
Asheville, North Carolina 28801
Email: [e-mail]
Digitally signed by
SHAEFFER.DAVID.LEIGH.12
60750573
USACE Project Manager Signature
_ 12/1412020
Date of Signature
Current Wilmington District mitigation guidance, including information on mitigation ratios, functional assessments, and
mitigation bank location and availability, and credit classifications (including stream temperature and wetland groupings) is
available at http://ribits.usace.army.mil

Appendix C
Figures

O I�
N
U)LO
a� rn
m
Qo
D O
�� N
d ry
(6 Q
> m
C �
—o
0 O
aC6
Qo
r�
C Q
OU)
m
C
CC
N
7
O
0
m
0
m
s
U
E E E c
`fir- •, � ,�, -. _ � ,4, �' h� " �. r t acOi y �
tPL,04aMo
_.:
U_
E
cu
d ca = 12 rn('T ❑ ., I
Q = E o,:.
�oU Q p n ��
mom V L) oo
v1-0 Z0.co
c
r. 7
r
O 'E
c�i o U m m
c
i (n i
`
� m
aE
N'
in
m` m m� e y oCl
t
~ o_ 0
n..'
~ O
O..
E
�vn a` a a Unwco
m
Rm=c'
�
II II 1 DA I
0-
�Lo o °c
n
N� o c
m//
^ O
�
j C C
� a
4
C
CL
. a o
co
f N'D
a) ca
ti7
l
O N
E N
.
�2
.
U fO
�Q
F
�oQ
O
•
� l6
C Q
i O
N C,
o a o"oo
L 9�11 V O N
U 11 d
U
X
70
N
Q
Q
i

N
i
o�
E�
U)LO
�0-)
CLo
DO
- N
d r>
(6 Q
A
LL
N
U
x
Em

�
\m
�E2ot,
)\{(\}
~
)\} �
E #! )
) f \
§ 3 [ #
\\)\\�\
ER *=nco
53z
® « ) q E
.
'$
�CL } ƒ
6

n
O I—
E
i
n LO
20-5
(6 �
Iz O
DO
�� N
N Q'
a�
mp
3
C �
—0
LO
Q 00
QO
CQ
oU)
C
N
C
O
0
O
(0
[6
5
r
r
Q
LO E
r
U
IL
C�
r.
�co
IL
a= U z
LDS
=�� U
(0
J�
a)
Jaf"6
f E
O f�
°m
N US
Co
-0 co
�� rnEo
O M
�co
O N
c—Y4co
Q-LO
cN_
0)—
0 � `-O
< Q
77Nr L
U ON
N
OLO ( M
U O
7 0
Z
0
z C L Cn M
Z d N
J,
N
s
3
ss
N
d
N
s
dLS
a
E
�
.• �
L
it
U
O
cu
CL
1
Q 6
ti
Y
_ - - r• N
o
Q
an
- L
, se 2
6) cu U
'
_ , �
_co�
7
U Op
Zdr
O-
cO
ui�
V OCO
ZCLm
C
a N
C
w
' �
b
•�:
ni
a
m a �
E n
voi]�3o\�p�o `�
E
��EE
c
E « a
,AA
C
r :V, � ?.�
r c
Y v91i .h
o m
Z
O
a
m m
3
E
E oa E .�
wLAIC�
rn
LL
U
x
70
N
Q
Q
I

0
h �
U) LO
N 0-)
U
C
1
!z 00
- O
fl �
III
3 0
-0C
f
U N
rO
�
11
i 0
Q W
L
N
CQ
I
O U)
0
0
o
I
�
o
O
CL
w
L)
U)
11
��d ArouaXy��� •. _ -_
�� Maim
@ U
Q-0� �d
T 2 r
�
LO dye 2�O E �O =� E 7
Q (� T c
M c Q O M O U Q O jn
UCL
(D (9 fI) � E Q O ap Q
�O ZOO U)-, 0 ZdO� fLLI
Z
1 'a
f d
i y
f cou O
co
CL El o
E E a
z -ro�+
cc
v
`m �, c
n 0v v>
In
m w o b E n E o p
o c) U) o c] rr a a � ui
� 1 �W01��R +zz
LO
U
X
70
Q
Q
I

Appendix D
NEAT Regional Detention
Basin Redesign

OS —"
svisnontl3uuievHs
NV]d ONIOV?JO :5
f' NISV9 NOUN3130 3VNOIOIiJ S
NOLV00�3?J OVOiJ OM00 070 (�
- �Z101
o
r g
J
8= 8 ag
"o "
a� a a v 8
a
11 lip
��\ ��, �I�dill^-. �vv A�v`V� vvvv` a wow
MY
rpm: i r it C 1. its
ia2 ---� \\`\\\\\` =`\/ ow d o - oww
r �8 �o "MU .was \�_
s 5 /� of I '�' - ���--- - - 9 w oa �Foo gig
oil
r axy er° \\ Am: ;� oN 6p
15Q 2sys
oo,
r 1�1 ,rrd4lrlu l�Ni� r, 10,
12
Dhi
RP
r r r i li
i
v � lr� r i � I�r s �wwwi InIp11NIllpllllv�vVv v\ v�; IIv
�/rill rl,iiii4li'� i / � �l r/�i�i'i' � m��"�IIIIiIill'ivlwvlvVw`vvAvv��:� wv �� � /
hhliul rrr r / ar r� l\\r' oil\ �iu 11 \ nl\ \\\ \\
v rvi�ri I r ,IvIllpll(rrri �' vvvv I,, s vvvvvIIvJvAvdvvvJv\v
v�,rl� .-il IP,IPhirrr ( r 9 qvv �" rv�vvvvvbvv0Av�v�o`V�vv`Vv.`,.`�`-
i urrl }vv rpllu,�i�,l sag vvvI .-g vvvvVPvvvv�� vvvv vvvv
� ,rrrp .(r�i I1�VII II,I / � T � � �� v 'v�A� �v�AJp�vvvvVvvA�vAv�vAAvv v -
Igli0, / `v``�`vvvvAvvvv vVA�vAVvh�v\�vAA\Avv`� AA�v -
V
irfl I'II III III p -( \ $ \ \
, \ I 1 \ \ G
MY
1 III //I/ � l
i � \` ii�i��ili��,1r,d�\v� ; � �Na pry I $ � \\\\\:, \ ��•`•1" \ � \ �-_ �'
lrli�Igirr v'II �gas� �� A $v�;
III II,I��, II�IIIII A l A A-f-A 11� A V- ii�� V I A i i
Y
-
i
-
I
I
-
\
r i I i Iv'v vy vvomLLmvvvvVA ` s �s �'
341
/yll//
rrri/i( �rn�i���i.7�rriRl�rm
vv`vI�v,>v,�vvVtvvvv. �'�v blrinl(lirirr"I1(nlllr rrl�>
ivAvll ill'nlvllvvlvvvv\v lv��iii, 11
�• ,, � ,,'., � ; v � ��� ` 'v I �v � i �_ �-'aa, A • ``°`vvvvvv � J `v v� `vvAOvgv`o\
\ \ \o�;K-wi, �--\` --- `$ -
'wa.oEQans H^ - 3" y� \:. \\yliilrrrllibrlli'^(lu \\
Y -` \� \ � �"
\ \�"=,� s°',\\�>i�p�
��uvI\ivilll
vv�Av��v��Ili
�o��\`i l \; \��i�p\��m111��\\ \'"�"%�'ii^r/'rr I

-
ixoaxivwuouvux�ru
.o5tl10000 31101tltlH0
-
1�
�I ;13O
3'
_2J3'�fl" 1NTN11Nb [N3
NI--V] NOI1N-17O IVNO101?1
VOI—'dOC 3b OVO?J (]IV,--,(] O o
IN 11
zl-
rc w n a w n a w w
0 i i
mu too ui rcrc
�z
of � yo
of
m
�
tp
W.m
j
pzs
o
=�
L
-70
V Uri
�
w
z
iT
LU
p a LO �
LLI

Appendix E
NEAT Regional Detention
Basin Sewer Relocation

in 133H
33S'09
9'V1S 3PI11HDiVVY
3 b2
1
_
o
�3
2
of
3
-
m$
i,
i
i
I
Mi
3
03&
2A
"M
h®2
3u
D
D
D
n
D
v
0

-
-
W O_
30
LLJ
FL
o
e y ...
PH
tea; U
w
/ Y - -
/%
—
O ./
e
2
S
0
I R -
f
c
/
� A m
/o � •\ A �r
/ A
m v 4
y
Iz
I /
/ e
�Wsse v I y v g
I 1 I o �
I o r
I I
/ 1
�3 \
I Q
C�
1
- m O
a a 1
I �
z
I \ C
�� lyVA
I
MV
i
I
I F F vn O
I it
% M I
00 / E,t+l
Q 1
v I
>I
61
\ \'\ \ 3
I
9 �
V
4 � ¢
J
0 H
Q o �
vI S•
0 -
S xg . I/
b � f
1
I I
\
I
Ni v
V
IA H am�m
I I
o v
1
/I
h ATCHLI E STA. 6 50 SEES EET U1 �
iA � � of
/�//

z lzzl[ O]nss, 1NOdUIVIV OIIVNW51Nl
SVIMOO 3llOIHVH3
r N
STV130 ]0211 N00 NOIS 0213
z
N011V.00]3id u
SNOISIIII 'c1d OM00 M0 W
z
In
s -
r:
WWd
r <\` Q N
of
LL
z ,
T w
m
\r O
r _
�U)
QZ
LU a
w
mOf
LL
fr=
UZ
UZ
J
a
O
U
$
Q
a
0
-
�
rr
Q
n x
--
cn
�
O
Z
O
` _
a
W
J
Z
t

z lzzl[ O]nss, 1NOdUIVIV OIIVNW51Nl
Stl19000 3llOIHVH3 (�
` ST'd130 ]0211 N00 NOIS0213
N011V.00] 021 OM00 MO W
° �C7°x
- - - O L
<o
�IIIIII w o `�
— III cA
IIII IIII- Q
IIIII
vl
III Q
u = NIA
L
J _J Hill
Oa
IIII _ ^
= W
F 3 `ice
_ W
-_ 'F - = III IIII zz 15_ MPk-IIII w - P
LL
S. Hill
oLU
IH Q
F—
CA
T
o
_
LO
S
o
0
/
-
O
W
=
-
-_
C�
Z
--
-
[n
w
�511MPx\ m - -
OC
-
ow
�.%
LLJ
W
W
_
W
ti mEZ
'w12o
S
-
-
--
�3w
2
�3
O
LL�
-
W
g�oas
�- -

Appendix F
NEAT North End Around
Taxiway Redesign

avioOdNltl 1VNOI1tlNd31Nl —
m auoievxa
�OaiNOO iNINIGIS �R NOISOdl IT
3OdNOd'
;vVMIXVI ONf10iJ'd (IN] H12�ON
vvvv>>v)v vYvv)vvvvv�- � ��-; _-__�- •� • _-1 � ;-rr,vvvvl v _ ,cN�IN N�.c `
vpvvvhvpvvvvvPvv)v� ;_�,f'� � 45 �aztwvv�lil riv
vgh+Y9vdvvlavm � r%ii; J` IIII o _ I [�
gAAVAAAA AA !,� - ter, ., ri - AAII4
-
mvvvvov
I gvIv@vvvvJv n - �, � ' ,r ;, r� v ovIvIvvq o ' Ilr ✓p,r, � p= tJ u
vv v0� v vY ILr iui a _,�, _)�vv)nv`. Vllli iJUl -6r W
cav vvv e - -avvv»vvv o' iioo ;, r W z
v v
yr vorvvovvovv �� � � ,_ ' �i/, c� � -' vv'vlvvvvvvnv � Illllu ' I 4m
c ,��_-
vv � TO „ vvvu III l� I�. /i Ilr
, i.A JvvvvvhVh,,h, o it Illlilull r ivIj ul ,irk vt .� z
I"J(
Mn
vv v vv`w �X v-)lull)Ililillhl, 1i111�1 vvvvs _ v zw�
v v v vvow�j - ,- 1 vIhllnl)hill�l' - IIvf'� _ - tr IS
npi III I /'
�v v v0vv)))�e��a�tirl -' _ ,, vvIPPl IIII IIII II II��li n411hlu1uil � �__- — 4� E .
yyy
vvI�v��� 0
v)��)vv vvQvv v))vv � AI UOlnp lbl r V q
vv AAy\ v\ vv vQ0 �\VJ �--_ I Iplll lllllall� r l � i J '
bo"vv`vv v�"nti� �v 2-
co 75
�--
vv
v-vvvvvvv vv m� vvvivvvv� vv WIdvli)I\y1 lurhllllgphllvIl��l�r ra._ v`r r'�_
v vvvpv0 vv vvvv C U°vuD vvv v vv IvOplul lr pllhlnvquglllplpll Iw �,,i<'�-�v
vv )vvv v v _ v vyp qvv� r� 1v I ♦ lullldllgllhvII°v0
� n I IBp vI 111
\ \\\\ \ \ ; I II IIII 111\\II\I �u
\\ \V rr` O / \ 1 w \ o 11 11 1 II, 11 1 i� o
v))�)v vv))yva vvvv LLl vgvv --v�i vvI� v _ V IiiuilllllPllllj-lPv vML
- ,
wv)vvv q�CvYvpQ vvvv vvv vvwvvgYvav vim:. iAAXvIlii 0lil11vl �l ivV,�gtlpPlll>,>,vI.IVlvvi vvvv'_ �ir v
vpvpv vP vvv v v 0)vvvq Pv". v`J ♦ \ WI1, p 0- `;I `
)P 0v0 vvvYvvvv vvvv vvv vvOP�J4�Pp �"l,If, vvvagq}� ♦ �v v0vv v)v)v � �v � �d �� vl Yr�.pUUl111 vvv 1vvvvv r _ �,����
soup�\�\\�\\ I\ \\\\\\\\\\\s _
\\\\�\\\����\\\a\�\ 1 \\\\\\\\I\o C'.,.,\\\\\1\\\1\11\\\\�\\\\\I\�\\I\I\I�\A_ \I
vvYvvvvogvov v)Y,),ov�;vvvv �°dw� � vvo;�;;Y; � I`,vv vl;v;o,°;;;' V v,v0vvv;;vv�r;';;;`vvvv;dv`�i`;i;;v,� �a .,vl,;'lil,vvv -� iii�li�"-_-_k_� ,
,Ae. apvvv AypvAvp AAy goy " v v vvvpvv � `w)`O�`vv v v vvvv v v� vJvv Avvvv) vvv vvv _
vvoJ)v) vgvwvvo�vv�v — o vvv�)YYYpY "£v Yv,)vYvvCVv�q vv vwfwv°�Y4�0 o - vv��w�)wvvv����)pv�Ivdwvlivva�wh. �� Vlllliillill� vI `I
vYv vopvo -v vw)v v nano v0)`�)�Yv 0v vv vq ov v0v vvv vvp�.. G "O vvvv vvvv avv vv �ilil 1 i, _
3�°����v.. u)YvYw)YpvvpvvI?ppvgv vv gpvvvvvYvp:: N vv))vv��P�ya)pv�vv�v�-vvv�v��vv`�-_� - pill�ii�ill�i I III II II o
v�-��OP�p v)PPY avpn v�v�vvv,v vvvv 2v v' vm v�
O�-
v0vvUvv vOpp v v v v
`AYvvv vvv v00vvvvw' vvvgv�pvvp-v-pvpv�����v ��lq-vd.- IIIIvII
vvvv gvvJ ))Y�vo ovv NvwpvAvv)-nhvhhvvII;z vvP)vvvvvvvvvvvpv vv v)vv, Luv`vuv. Il r
pY)v�p oy ����Y� vvvv0vgllV_ vw vvvo`�o vJ`vq)o vv)v� -_ wv`vi l� r�lligr i I
i vv v vvv vCv vvac, Q� I v vPYa,vallv��v04� vvvvv vwom
vv v `�J ��vvp v))�vvo`�v v A vv)vvvvv`yvv v vAvv°�yUllw vvvIIIII hvvv `vv `vvv - II
V vvS� v _ rvvv))YY))°vpvgv)�� �� vq mil
r 0`vvvv))°. vvq)vv0v v ��w - v0))vYY)))pvwvv)°vY)ev� �wY��Y`�`we`
v�d�vvvvvQ� v vP�vPd)hYp dvvv)v`Y)`v vv m y vvvvv v�vv�vvpUti,�P�`vv . 'r I I ' _ _,� �„1.1 v ��� ' w
r r vngv� v vN v vyv�v v 1 vvvwvv���\vWp�v vd ���v-vti�� � J`vv�vvv vvvvvvv - r / �V v �'� hI vi `v v IhN4
u Pv�v vvP�v A vvvv) vv pvv v v vv`vim`°�wvvvv v, 1 I� v v r r l l I IIII q E�
po _
\"\
�\\\\\\\o\\p\\\\\\\\\\�\\\\�\)�`\J\
l'lllII IIIII 4 1 I\ \ \ \ \ 'T 1\ 1 1\�1\
TIII III III IIII. \ \� \ \\�� � ICY) \ \ \ I \ \ \ \\\ w
)\.... .... ..�
I\II\\ll„fir ll..Il�llj��l�:..
- - , p \-\o\ \\\ J \ � \ \ I \ �\\\\P\P dv y\\,rr 4 �'✓', - I � o \\) \ \ \ \ \ \ I 1 II 1 I•\\\\hCP'\ /Ih\V
__ _,%}r� \,lu^\�' a�a ��?OY\ro\q I♦ y)Y�4YI\P\\�\�5/Yi iiOirlriirii0riurrru'�'rharr°puUr 1 �02�\\, �,��\, obi �2` r' I I 1 1 I 1 � 1\�\\\q)1 I I I I
law N \ \\\Z))\w\�q \ `I Yhy��y°\poip/rr�nnrrry4ir�ri'gbr✓4nAigiiry'l ,�°o`�\\"��,\�� o `. 0, \\\\�2°.0�0`\0`�30���o�oq ``q�q\\ r 1 II \ )n\��Y
e
__.p K°.', o '....,\\u
-
\\
\ N
-
I
rrr , I A� %' ,; �,\ \\\\f, \��\\d)Yaa h\ Y) IOPd\il\\)�iiollll)11`'IIIII� � \\_ �`I \ -\,__ _-,o��`\`�`.`\`,•�`��� I`�
\ T-;— `�
r rV r' nrN r\\\Y v\ \)hswk- - \\Olq\\\nhgl nlh lnllpvlul r "o - - o`,p--\o`,��f =
i� ,rn,G, -\\°P\\\\dP\I\ l)\\dP Yu\\\pop
I I u r T-'r nY \ \ \w,.e�\\\ 1 le\vn\ \ \v\\\n
)\"\\d\��)\)\)\\\�YM� \\\a\ I` //'�� J•�q��`�oc��`o�L� I p
j i�'jr�i NAM, , \Z '�Mjlil1�1\����C�������\0\\ :�\�����\��\ Il qv\\\�\\qY�����\\d\\\)�\)\��OU�\\\. �
Ir' r I I I trgl III � i r NMI
\ \\\\\\\\\\\\\\\)y •�\\\
Iri 1 lrr�rl�\`\ l 1 hl\\\nYu,\o\L0\\\\
\\�\ - \�\\ \\�q\11\J\PhJv
_\\\\\\ - N4Pp
-
fl�lllll\\\6
)\���J��\0�\\)P`��°)�\\\p��J\\\)\\\\\\�)\\\\?�
\��Y`°"Pv\)\J`o6�)\0)`��o\��\�\\,\\�`)\�),`\y
\\��r\ / l r\1 �4iiiih i/ \`))�,`\\�tij\�I�P\�)IN� :$�yti\ II\'�Y`\))°��\`)vm�\���\o`)\`\P\�\`\`\�P\��\ `�•'`\ / o .
\\\\\\\\\\
o\`��u\\°\P\yp)P\�`��\�\\\\��)\`��\\\`
\\p\J\0 \\p\y \� \\\ \\q a\�•,� r I -
\I\\I\1\II\\\l u\\Illjq'Ihd \ v \ , d�\�
7g�
\III \\\\II\nlllllll la \\ I
-
\III11\\11 u\I11 II1\III\ r�' \I-\I\\P)1 ollaYlllliolldryrJpl`u\ \\)�\��Y 1 Y\3o�Q1P\`°�\�'�\I`\\IO�\\Y`\\\q\r�)
U ,Y\4�/r`\in�r\`gr\\`g\\li`qlO\\\1\'j`#iI1)I)J{�1),1�qdIjIllI\dq\II\III�1I4Ii1I I1I14,�ag`v1 ID-`- - m\\ ao
IIIr •�•
. ®.
a\\\\\\l\ SPPnJI\ \) 0q�q,ll
E\\\\\\\Ir
\\\
F
lilllllilll,�\
o,\`u�Y\�� );II�IO%IIIIi�IIilP�llllla•C -
%; \)\)
I III I11 I �'a/°a \$\
�N\N
up,\,$°J �d 11 \)\�\
r III \ 1 \ \ \I \ \\ P P\q\``@\ \,�,���a���2q \o\\\\\\P\�\ \ 1 \\\\\\\\uq\a\\Y\\\\\Y\\-
\!,\ \\\\al\\allll\I
\\ p \I 1 nl \ 1\
-
`,sa2"\\`\ o3a 3 `YaY\\\ °o IIIII IIIII\,nl
\ \\\\ \\\� \� m\ \\\\I\\\\\u y\I\
°`owu�))`��q\\°\)\��u\\
\\\\' i i I IIIII'r'r'ir/��\ � '; ,ate,% v,}.r I ii .`yui� `JNI \�\�r\\\N)�ah)u\ ` \ P•Pvu)\\ I �i)\\\;\)P\\oo\\�u�\\��p\\o\\\\\\\��J\\\))I\\\ -- - �
IA AAA lyvI A AAV Av / V nV 1 ACpA AAv �\�v�v A
v vvvvvv � v v wv v v
v
v`I it vvvI�rl ��� vvv v vvvvvvv�v�'ry ;�u: ��� rvlvva�v��v�V\whyv�v� vvvv mv)vc v vvvvvYav`vw))))pq`w�av`�PYvY)wwwvv�)�pv)vyv�
"7lvvrv��;r vvv vv vv r IA Illulv�e v vvv vvvvv v �� �`� °�w°�wvo�i vvJv�� va'�
vvvvvv X.� Ill ovv�vm� vmy v v vvo ��vvvvvvAvC

s zOz/�o/eo �a3nssi Siva
ZOHI-OOZZ "ON H1J3fOdd
N3 1>3fOtld
A9 03NHIS30
R IT
V A\\�QAV�� �o� AVIIIIIIII
\\ \ VA\V\ VA III / / A Vlllllllllll \�
AV
;AVA\AVAQA�\���\/ l/�rA�AAVAA�I111111111114
\\ V AVAA\VA0\- llllllll//� � A \111 III I
VAVAVA \ � A\V\ V \ l( A VA 11VIIIIIII
\VAVAVA �VAAAVA\�(( V AVAAA VAVAVI
�AVWMV AVAAAA\IIII\VA1A
\ VAVAA
\\\ \\\\\\ \\ A\\\\\\\\A \ \ A 'A
V A VA\VAVA\VA \ A A\A\\VAA\�� A�\ V A AVVAVAVA
\VA\�A\\V\A\VAA \AVAA\\ V A �VVA\VA\\VAVA
�A\\\\\VA\\V r AA�AVAA\� VA �VVA\VA\\\
SVGA\ V AA��RAV \\A VA�AVA�\AAA\� A�\�O AAA\VA\\ \VA�AAVA
\\\VAA\\ \AVA
�AAVAAV AAV AVAVA\\\\ �A\/ A\\V�\V AVAA\
vvvvvvv vv\\vvyvv \�vI4vy�vV Av��vov yAvyA
a l nay vA A v�vy�A�vv v A MEN
yyEvvyy\ AAvo y\�\Avy
\VA %/1/IIII
v vvvvyAvv\v v yvyvvv>�v�AvA vlv/l/ii/p
IIII\1 vAV AA�A\A\VA��VAA\\VVAAVA\\\\\\\�\%1/%//
AVAVAA\
VAA 0A�\�VAVAVAVAVA //%/jA//
J III AV A A V A//%/
VAAVA\\V
\\\\�NM
r _— — _ III � � \A\�\`\\ \\\\\ \ . \ ��\0\\\A✓%%///%�/
VV��AV A\110V11111'
VAVAAAV A r \IIII,
r'/
I 111 / lllI Il llll r VAVA\\\VA\ �\VAVAA\ AVA\�
/ 9 4 VVA\\1\VA\\A\VAVAVA\� AVAAA\QV
I/I/ lllhAll r � v/ �'VIIIIvvgww yvy �v vv v � vv
/V\\IIlIIl1 I �I �11111\1\\\AA�AVA�AA\� A���AAVA\A VAr
\\A\\\M1 \\
II I I j 1 l l l l l l) IIII jl II AQ\\A\\\VAS\\ 1 I QVAA�\ V
ll(� � I I/ I/Ill 141I O l/ �� r v0vpvw�g11111y111�1 wwvv'py v
K
VA V A\VAA A A I IIII Il I � 1 VA\Q�����\\�\\\\\VAAAVA V�� VAVA
\LAVA AAVAA\\�
ppg VAVA
V11AA�1\VlA1A111AIAll \� 411���/ �'1\1A�A\��\\
I A\AAI IV\VAI\\VAAA V4�`�iAV/( �\AI V�`��\V�Illlli\\� VA�A�
N %
\I ql\III I\\\ \\\
V I l\�llflV\ / �`I \\ 1 V A\
III IIII \ VV ` AVA������ III VIIV\AA\\ VAVOVA \ A
\\AV
�limiOAVA� \\
III Vol ONO
\\VAV/
ieoaeiv 3vNouvNx3iui
,..Stl10000 11101um e--` .3 vas MP rive-i
r (SL d0 6 133HS) ('�
NeJtl tlld 3NItltlO 8 �JNIOtltl�J M
�� L 3E)VNOtld L
17 AVMIXtll ONnouv ON3 HIHON V
IQC����: `o
IIII III Ill% A�< III II r�VAI — / A / �ii%i%�� i rroo�liii r � \ 'r-�Z
�
W
llllll
III
IIsI h� V / / �Dy�� = _= I\lIIV�I r
\�\\ Q wo
lT
WIN
man
-
�
-
/IIII
IIIIIIIIIIII IIIII\IAAVIII\ �� \VA\\�Os�rA �� took
AI\A�—�Ig
IIIII 11111111111111\ a r \\A�`�vr� r�� /IAv °I(1/((�k/ �
\ 3IV11111111111\IIII AA(> V A \ r��� v r� _��1/ vi
\ \I \\\IV11AVA�AAVAAVI\IVAA\\�/ A A� r� �� � IIIII w� =2 �V A� VVAVA\\AVA\V1\\VAAVA\IVAA\\\ VA\� �� �lllj I A \ (r� —o
A LAVA\VA\\VVAVAAVA\\- vj�l�ll A l ��IIIII v — o5 ;o
\V 1 \ 1 I w
\\\\\\\LAVA �AA-�� - � Illj r \ IIIII / iii a
\\\\ VAV\\\\AVA � _ � �1A11�111
\VAA\VAAA\V A\\\\\\\\\VAA \VAVAVA \A\V — �� VAAIVAVA\ �'
\\VA\\ ��\��
NpAA\ v \ \V A \ VAAA\0A\VA\\ �_� B= _gam V
\�VUlpllp A \ V A\
vrvvvvvAA�v s,v vvoyv�vyAv\vv0\/S \vvyyv <'1 / v A vA 1 I ML
hVA\VA1V111111U
AllAA
IIII Illlll I IIIIIIIIIIII IIII II(�� y �A \\\\\�\ \ \\\\VAA \\ \\VA\ � V A \ V V A \ V AAIAIIV -
Uj�lj%/IIIIIIIIIIIIIIIIIIIIII�II�llll�� \V A VAV A\\V A A A
////lllllllll II IIIIIAAV A\\AAA\ VAAA\0A\VA\\VAAV\�'
VAVAVAVAV���V I A V \ V A\VA\
AAAA\ \� A\///
//////%///�\AA\VA���\ �� TX
AAA�VAX1 VvVvt
jAl/llllllll��lllA�/ll/lllllV
l \\V�A���
�//rr�A��
\\\ \\ \\\\ \\ o w
d vram n <
AVA 11"Its�
VAAIVAA\ VA\VA\V A\VAA\� A \VAVA �
I ��� \
Ay\\Vmn
AVOVAA\\OVAA\\V\\\�A\\VAVAAAVAi �A VAA\\ \\Vy��
\ \\VA\
A\
—
vv vvvvvvvv v
�v A vv v\vv wvvvvvv� IIIII I I II IlllllA\
a \\K�
v —
\�\
LAVA\I\ � VA\�OVAA\V\VQA\V\VA\VAVA\\\\\\IIII IIIIIIIIII111 `� v
\
� � v � � � v
� �
\ �\V 1 A\\ V\VAVAVA\VA\VAA\\\VA\VAVA\\\\\dl 11 I II IIIII I� I AA v
\V A\ V VAA VAAOVAA\\VAVAA A\ \V\V III 11A V A ��
VAA�VAVA\VAA\\VAV�\\\V01A\\V 1 VI\ � I IIII\VAVAA
\\ A b�VV \�A I II 3_
v
v v
v A
V AV I 11 I AA
\VAV V, A\\AVA\��VAVAQ�\�A��A\V\\\Il\VIIV111 AVAA ��
A\V0\ A\vAA\VQ�\VAAVA\�A\�AAvwA�A \
V
V V V\\VAVA
\V �A�VAQ\ AVA\VAA\DVAgAVAVA\\VAVVApV A V AVAA\VAVA \
-
� �SO
WIN of W\

Appendix G
Original Stormwater Design

1tlOdtlltl lVN011tlNtl31Nl — —�
..Svisn0(l 3110MM �
N0211 NON 1N3[WlllS NOSOO] C)
s olsl -41T l 79VNO�d
,b'Nllkb'1 ONf1OO b' CN3 Sl?JON
— ✓ � �� I 'I � , � I I f � I ILI III IIIIII III Ir
t I h I� I Y� I �rL 1 I IIII l it IIII I1u r F
' i Icy � i 1 I r l I II I� Illlljjl llll�j iilll I x Z t~
��, �, � I I r � I r i l l Jl�d ��rlr Ilpllhlpll�lii r
� ��; Irr tid r r��r rllrl t. � „ ��rr� �I I � �I I i it Si, .hill llll�pliiill z 5'„
� � � � � r�ldli✓ij i l i �, r 4r j�pl��j � I'� r � �i i i � � � ii�ll li 111 ll li lllllllll'lili I ��-+ �'
4�
✓�Oi?v , li �, �� r °'`� rr I r 4, 11 II I14171 W'"�
l + & IlriuS lire _ , r 91 r f li it l'U III ° W z u,I,I n
r � ♦ I i'ir' � i �� I a�'� / I I I�i � �ri i i'''lil � dill � � z •N'�
Y
iii�I'.1/�r/li Jr/� �iil gr'hl III I �zm
�
w t
~
-
'� i r:.P _
ML
I II I
�� ;�'�`"� � � \ .' � �� r �, ✓ f ✓�� �+ I� III , I
I
0
—
�r
JI
-rss
e i I I I r i I I IIIII wlll!1'IIII I� �
titli tam - IIIII
�� ♦ � _ - . �-_—� — � l ,� IIII I �� �
71-
Top,- F
___-— __
_ o�
o �w
_ Ali II Ii� I� r o
z ,
- -���/ �� _ �' � � �--' •� � � ICI I I w
Lam- �'---/ _ -
- I _
- - - - - -
--- a- -- -- - - - - - -- _ -
_ - - -�
\ I
I �>
Qa� o� —� --- — .. it I El
r ,
o
N Ns s a NSA R- ' NSA N � N o N N_A sA NSA Ns NSA s
ww
a —
0
j
�P
- MATCHLINE SEE SHEET C-404 , ' MATCHLINE SEE SHEET C-405
i 8 _

1tl smnoon0a auoivxlVN011tlN NVII4
.,a � N
11 IN— N0211 NON 1N3IWIIIS NOSOO] C)
rda sNOISI as — _-79Vi
,l b'Nllkb'1 Of1O�JvO
Nb' CN3 Sl?JON
— - d�MI�
t �,r,r ,l
+ r
;� GG E Z. z
I
�Ww
Ir
r '
, r
/ U
err' W W
al-% U) -
I w 4'
uw
r W
_ � r /✓ a "�' II;I � 'rr 2
ML
r
` y ,
11 ,
� r
r
r
fS f 'r ✓'` - w
r 6 � 9
r a
r
ri
w
7
-
J �i ♦ jii s r � I� h _ _iiEEE_
'� r Nr I iri�Q/l � � i ���N,Nr♦ �S� � r li � i IIi1111 i a i r i / ��®Q
Ilil.
4ri^ il`II ail ii �ill1� a
—
r iir,rr r �I� i � ����1� I: MATCHLINE SEE SHEET C-, 3 �i I� �' I MATCHLINE SEE SHEET C-404
---

1tlOdtlltl lVN011tlNtl31Nl
.,smsnoa auoiavxa � M
�0211 NCN 1N3IWIIIS � NOSOO]
7JVNv�dN S b'Nrlkb'1 SNf10�J b' CSl ON
MATCHLINE SEE SHE17
ET C-40
rd�i � '� uUnlr rp �r9rri r r �I r 1 I r ■ � GG H
r
rdr
r r 1�-0' ra If it iui d, ���I��� ili ■� W - r
r r ' ilr�s i t""r,�.�q rl, `. �`�il�iyySj,'�' i iI �� lI k�li ■ � � � iri���� , Wed ��9
,'r i� rr r ����, rr�, ,rr i rri, Illr� ■ �1 �l���1 I,rr ■ i rlrir ��z
r r Ulr®ury , 1'�i`rrii riryrll i ��'' Ills
' rUl,�gpJr � \�r'iir�i� r�''�il liil �1�� raf �� j
9
r ri r �r �� - r i' iiitl. 3� ■ r r [r
';
e�
ry r I §4,r � I I � Ali �Ir � I �� ���� „=rllrl - - ■_ _ � -
r
9 A�NrrV rir 1
r 4rr/irr4r rhr „'a
r irirrr �Nr"Mr '�V - Irr ri r'irI01 xlo �� III o ✓ ^ ��� 1 r�'� r I� ry� I�r,
Ai,/:�/rrii ". 1�\'i II�r P\�I`a J \ / '1 � Ir■'.f C
Lr ✓ 4ui'rrpn �dp, � � I� \r
J/1 i I
rvr IN r r rr � I i
o _� io saw
Vu✓Arr rr rr'r I r,, .,,,�°, �n I ' ' r 9, ri� ;', , ' I `� a°'� ' � � r , �� �� �F l ,
u'r¢I
rii�r r.��rii i�l Sri /rr,r �ilil��_. � ��:_� i �l � �' � rl '' ' ��'� fir, ✓.� ,-I'- _
�—
'
Ji iJr„4 ','�ri ii �`, � � BSI � r I �� rP�ri�✓� ,i%� � Y �r�r �. i�
I r,,:u
A r
� o r ', r r ■ r �-l1. �
IruYi4riu �rrrrl irr r ✓ ,� { rrell� > ',rrl i r �� ,.�
r✓ �iq ,, r ,, I I I r 1 _ I t ir. � r r r r r' l� r a 1�� 1� W �+
cn�i
w
u�i
r
uJ�
r>',iid°I,iiurrr] I r \, J4r rrr ' ,' s_�9♦ � yll � �� �" � � I� � \� �
iiji'h�r r,
' Vivul�mll _, �' , � � i r��� y✓ r i r I i o��� r i i (� /I'�� �
I�JiiiOl.
1I
I fyrll,�'I III UIl I J J I � / , II' llll I I� , I I may. � l 1 tom\
r ,
I r I� a3 or
rr i 7 � yy
I
II „Iplonq,nli,w - I r r I � I �w r;`r�r`` ��. i►� r _
t
II II IIIIIIII IIIIIilllllll'I II I I, � I I I l;ll� r,'I �I'jll W n u a
a a N ¢
Iliilljiliiililliiiiiiiiliiiiliiliiliin pl � �� I i i iip i i Iir�r r,�i!!ni �r� i� � ➢i� r � � I � i I r 1 ���` Y '�� ° °
-
� 1 1 111 II ➢111 I I I 1 / n � I
w
nhIlllhiPii�l�ldliiid�ll4ill'I�ulliii� � , din'prhr rV!,�n4r � �' I >•.�, � �'
rl rrr rO rD i � �n rrur4rr i _ l'
a - Ills ''I
i ��Ji Opioll qr nl r nr urrr."
of lii lii it'Iniialloolllil'liil4'Ir`.�-., �i l,'rir irirlilliilli r � � - r i i ✓i-- ��.X
rllilliidli P'i;lilllali'll lln lil, �� � ✓rirril�ii'ii�i --r ,___�� � I - i. �.,, -r-� _�-1�i�� � �, - � �� � � � c w
i i�r'�hrri�)!�na��lilil�lli ` 'i ri ail �iiirii' r i n r 5
n�����i,P���Pmil�➢i'W�ii�i _
II,II,I„»\nilllinn'il'i�'Ildiiii` �,r r�' �I�r aril i r' _-' i ri F �� i�i i i I -
Ilooiilo
lPjar �7r Irl ,rrrrl ; —
�,����;rrrl g®a
o
,IIIIIII1IIIIII,,�I,1I1�1,,�
IIIL_
rhlhil�o�p01i0llli ' � r\�i Bill Ali i,l I, rr,rr rj r'Ilji lliliir � 5 aiir,. r
� , I r , i r � � ✓'art lr-r li ii�rinilr� 1 a , ,:r�u''iilil,rl a �� rirr,rrr
rrrr riir
�� iq�4��ili��i it i�ililll ._ .r, r i o Ill�i I �r Prr��r lU r'N.iu liU ,r r rr
r rrrr ., r--'� � r�,.I,tUu nrlr �m4r rrrii it rrlll I„rr r r
l-- - r - i r � lllr rr inP r ,rrr rrr nrr Irlr
r �
r r rrr/ui:�rr,
ter_ o0
r u4yV ur,.
---
`Vd`11P1irpl
r rr r rr ;9,f
MATCHLINE SEE SHEET C-409

1tlonitllVN011tlNH31Nl
.,smsnoa auoiavxa
�0211 NOL 1N3IWIIIS NOSOO]
vda sNolsl 3a osv �� 79VNO�d
,l b'Nllkb'1 OIAf10O b' CN3 Sl?JON
��11'111','/IATCHLINE
SE� SEE SHEET C-402 -MATCHLINE SEE SHEET C--I —"— _—"—"
'nlllr illiiil� _
11I III � 9 � _
'I rli II II I�1 II,IIp T }-eee �/p
r f�� r rlrll�i irl��l1 'Ii, ilr Ili - / YYY _ _- r L /
r r� i1i�.lilillylli�iillnul _��$
iiiii�l Ill�i ifr,l /_
11L1 �ll�•li /
u
--
r
i I
r Jill rr111111 ! '-- F� Imo•_ _ d
I
r —
I
I � �IriVll
NI
ML
---
-- - _
z�
0 1
C�
o 1'
H "NEI.
In
U �JJJ v yr I/ ■ I w r I L v I v v H vv
IN r' I I L r L II'i
W '� ■ f j1 L L i
VVk/ co
co
/ I/ 1 -, d ■
/I
111 •J I rr �, \ :^ �, II Im 1 1 , 9 = , r ^ U) j rc rc r rcf) i
LU
I
'l- ■ � �' Z �
~IN
��<
r
o
01 rr � r
_ _� �i ■ �:� �i Ililll �. `_ i I r r i In`<� 1 i rr L `y� * _ --
r
r
z
`� \1
nc YY��
i
_ o F
w
0
rc
,a
or ll rll/ 30
� P I
MATCHLINE SEE SHEET C-410

1.— I laN011tlNH31Nl
..svis000 31101UVHO LO
NO211 NON 1N3441O3S NOSO2ll C)
/aa sNolsl 3a osv �� 79V�
,l b'N�Ikb'1 ONf1O�J ivb' CN3 Sl?JON
\
--�'� MATCHLINE SEE SHEET C4O1
Z 5
} N a
s
0
o
----
wa
p i � N d�N d� d d�N -� � ,� o d-N — �� ��N d�N _ • �i
_V
_ ML
i eS Rya - \ WC I fJl III 1�// --- --- I--_
I A
f-L
1
i
�i � n
�—tr.1� � \X
W _
LU
- _
-(_
tn� „-. ___I "av v ___ --- ----
W - t_ W
p
W \ �\ �\ __ _ \ ,...._ p w
\ U 5
1vvilia v i v �� -� Z—w
l l i / l ��m --�"�
3� —
W /
-
` u
\ I._ ---------------
r � _
v v . o - foo, ��od �T\� vv •
\ ' � ` da, y `rti♦�♦� rr�urfrtirr�■YY/ 11Iri� , �, ����\\�- y Ilf \ � I o
�< ♦ _ - o w
mod\ �..: / � �f, , �♦�� �`�.
r
a >
by
`CD Ott\ fl®Q
n v
t
vily
MATCHLINE SEE SHEET C-411 gay/r �''g ,

1tlOdtlltl lVN011tlNtl31Nl — —�
..Svisn0U 31101UVHO
NO2I NON 1N3[WlllS --�' NO SSO2ll
ado sNOISI as — 79V�
,l b'Nllkb'1 ONf1OJ v b' CN3 Sl?JON
CD
U
r-I a
W
I
SdYI 7 c Y tl Y 1. Stl n`
�Sa d
—
8
i
I /
U T
i�
Y
W _
LIJ---
Cl)
W _
W
U)
rxr w
r
w w /lQa r.
� u oLLoo /�`ooT _ ao
W ,
I co
_
LU
Lu
Z-
U
o. f
rRiH i
r � 73
sT� II;
r`
bo
09,,
�- �! `- r I � B�II�� �--._f�� I I / I I I I It r /• I I I,.
1A _ / �I 1�I i' J•> Ii
��.♦ 2-`
t � �.j• � I I I_ �
�nl'li
jj
�ill'llllll'll
�� ��� ♦� / I � IitiipUll � o
l /�ll;� A; l /� '� �/S� I � I l I I I � I i i r •/ i
�hII�♦ Il l � / I i /I �>7IIi� � III Il I r��.
T itii l qp I r_
---------- ._ ..
�._..—' - /
- II �ni� �/ I ! I dol.�■ / MATCHLINE SEE SHEET C-411
o c -
k
9 ®a

Appendix H
NCWAM Form for PW1-2
(Wetland 6)

NC WAM FIELD ASSESSMENT RESULTS
Accompanies user ivianuai version om
USACE AID #
NCDWR#
Project Name
CLT Airport Expansion
Date of Evaluation
Aril 2019
Applicant/Owner Name
CLT
Wetland Site Name
PW1-2 - Wetland 6
Wetland Type
Headwater Forest
Assessor Name/Organization
KMT, BGB/HDR
Level III Ecoregion
Piedmont
Nearest Named Water Body
Ticer Branch
River Basin
Catawba
USGS 8-Digit Catalogue Unit
03050101
County
Mecklenburg
NCDWR Region
Mooresville
F— Yes M No
Precipitation within 48 hrs?
Latitude/Lonaitude (deci-dearees)
35.231203.-80.958653
Evidence of stressors affecting the assessment area (may not be within the assessment area)
Please circle and/or make note on the last page if evidence of stressors is apparent. Consider departure from reference, if appropriate, in
recent past (for instance, within 10 years). Noteworthy stressors include, but are not limited to the following.
• Hydrological modifications (examples: ditches, dams, beaver dams, dikes, berms, ponds, etc.)
• Surface and sub -surface discharges into the wetland (examples: discharges containing obvious pollutants, presence of nearby septic
tanks, underground storage tanks (USTs), hog lagoons, etc.)
• Signs of vegetation stress (examples: vegetation mortality, insect damage, disease, storm damage, salt intrusion, etc.)
• Habitat/plant community alteration (examples: mowing, clear -cutting, exotics, etc.)
Is the assessment area intensively managed? ❑ Yes ® No
Regulatory Considerations - Were regulatory considerations evaluated? ®Yes ❑No If Yes, check all that apply to the assessment area.
❑ Anadromous fish
❑ Federally protected species or State endangered or threatened species
❑ NCDWR riparian buffer rule in effect
❑ Abuts a Primary Nursery Area (PNA)
® Publicly owned property
❑ N.C. Division of Coastal Management Area of Environmental Concern (AEC) (including buffer)
❑ Abuts a stream with a NCDWQ classification of SA or supplemental classifications of HQW, ORW, or Trout
❑ Designated NCNHP reference community
❑ Abuts a 303(d)-listed stream or a tributary to a 303(d)-listed stream
What type of natural stream is associated with the wetland, if any? (check all that apply)
❑ Blackwater
® Brownwater
❑ Tidal (if tidal, check one of the following boxes) ❑ Lunar ❑ Wind ❑ Both
Is the assessment area on a coastal island? ❑ Yes ® No
Is the assessment area's surface water storage capacity or duration substantially altered by beaver? ❑ Yes ® No
Does the assessment area experience overbank flooding during normal rainfall conditions? ❑ Yes ® No
Ground Surface Condition/Vegetation Condition — assessment area condition metric
Check a box in each column. Consider alteration to the ground surface (GS) in the assessment area and vegetation structure (VS) in the
assessment area. Compare to reference wetland if applicable (see User Manual). If a reference is not applicable, then rate the assessment
area based on evidence an effect.
GS VS
❑A ❑A Not severely altered
®B ®B Severely altered over a majority of the assessment area (ground surface alteration examples: vehicle tracks, excessive
sedimentation, fire -plow lanes, skidder tracks, bedding, fill, soil compaction, obvious pollutants) (vegetation structure
alteration examples: mechanical disturbance, herbicides, salt intrusion [where appropriate], exotic species, grazing, less
diversity [if appropriate], hydrologic alteration)
Surface and Sub -Surface Storage Capacity and Duration — assessment area condition metric
Check a box in each column. Consider surface storage capacity and duration (Surf) and sub -surface storage capacity and duration (Sub).
Consider both increase and decrease in hydrology. A ditch <_ 1 foot deep is considered to affect surface water only, while a ditch > 1 foot
deep is expected to affect both surface and sub -surface water. Consider tidal flooding regime, if applicable.
Surf Sub
❑A ❑A Water storage capacity and duration are not altered.
❑B ❑B Water storage capacity or duration are altered, but not substantially (typically, not sufficient to change vegetation).
®C ®C Water storage capacity or duration are substantially altered (typically, alteration sufficient to result in vegetation change)
(examples: draining, flooding, soil compaction, filling, excessive sedimentation, underground utility lines).
Water Storage/Surface Relief — assessment area/wetland type condition metric (skip for all marshes)
Check a box in each column. Select the appropriate storage for the assessment area (AA) and the wetland type (WT).
AA WT
3a. ®A ❑A Majority of wetland with depressions able to pond water > 1 deep
❑B ❑B Majority of wetland with depressions able to pond water 6 inches to 1 foot deep
❑C ❑C Majority of wetland with depressions able to pond water 3 to 6 inches deep
❑D ®D Depressions able to pond water < 3 inches deep
3b. ❑A Evidence that maximum depth of inundation is greater than 2 feet
®B Evidence that maximum depth of inundation is between 1 and 2 feet
❑C Evidence that maximum depth of inundation is less than 1 foot

4. Soil Texture/Structure — assessment area condition metric (skip for all marshes)
Check a box from each of the three soil property groups below. Dig soil profile in the dominant assessment area landscape feature.
Make soil observations within the top 12 inches. Use most recent National Technical Committee for Hydric Soils guidance for regional
indicators.
4a. ❑A Sandy soil
❑B Loamy or clayey soils exhibiting redoximorphic features (concentrations, depletions, or rhizospheres)
❑C Loamy or clayey soils not exhibiting redoximorphic features
®D Loamy or clayey gleyed soil
❑E Histosol or histic epipedon
4b. ®A Soil ribbon < 1 inch
❑B Soil ribbon >_ 1 inch
4c. ®A No peat or muck presence
❑B A peat or muck presence
Discharge into Wetland — opportunity metric
Check a box in each column. Consider surface pollutants or discharges (Surf) and sub -surface pollutants or discharges (Sub). Examples
of sub -surface discharges include presence of nearby septic tank, underground storage tank (UST), etc.
Surf Sub
®A ®A Little or no evidence of pollutants or discharges entering the assessment area
❑B ❑B Noticeable evidence of pollutants or discharges entering the wetland and stressing, but not overwhelming the
treatment capacity of the assessment area
❑C ❑C Noticeable evidence of pollutants or discharges (pathogen, particulate, or soluble) entering the assessment area and
potentially overwhelming the treatment capacity of the wetland (water discoloration, dead vegetation, excessive
sedimentation, odor)
Land Use — opportunity metric (skip for non -riparian wetlands)
Check all that apply (at least one box in each column). Evaluation involves a GIS effort with field adjustment. Consider sources draining
to assessment area within entire upstream watershed (WS), within 5 miles and within the watershed draining to the assessment area (5M),
and within 2 miles and within the watershed draining to the assessment area (2M).
WS 5M 2M
❑A ❑A ❑A > 10% impervious surfaces
❑B ❑B ❑B Confined animal operations (or other local, concentrated source of pollutants
❑C ❑C ❑C >_ 20% coverage of pasture
❑D ❑D ❑D >_ 20% coverage of agricultural land (regularly plowed land)
®E ®E ®E >_ 20% coverage of maintained grass/herb
OF OF OF >_ 20% coverage of clear-cut land
❑G ❑G ❑G Little or no opportunity to improve water quality. Lack of opportunity may result from little or no disturbance in
the watershed or hydrologic alterations that prevent drainage and/or overbank flow from affecting the
assessment area.
Wetland Acting as Vegetated Buffer — assessment area/wetland complex condition metric (skip for non -riparian wetlands)
7a. Is assessment area within 50 feet of a tributary or other open water?
❑Yes ®No If Yes, continue to 7b. If No, skip to Metric 8.
Wetland buffer need only be present on one side of the water body. Make buffer judgment based on the average width of wetland.
Record a note if a portion of the buffer has been removed or disturbed.
7b. How much of the first 50 feet from the bank is wetland? (Wetland buffer need only be present on one side of the .water body. Make
bufferjudgment based on the average width of wetland. Record a note if a portion of the buffer has been removed or disturbed.)
❑A >_ 50 feet
❑B From 30 to < 50 feet
❑C From 15 to < 30 feet
❑D From 5 to < 15 feet
❑E < 5 feet or buffer bypassed by ditches
7c. Tributary width. If the tributary is anastomosed, combine widths of channels/braids for a total width.
❑<_ 15-feet wide ❑> 15-feet wide ❑ Other open water (no tributary present)
7d. Do roots of assessment area vegetation extend into the bank of the tributary/open water?
❑Yes ❑No
7e. Is stream or other open water sheltered or exposed?
❑Sheltered — adjacent open water with width < 2500 feet and no regular boat traffic.
❑Exposed — adjacent open water with width >_ 2500 feet or regular boat traffic.
Wetland Width at the Assessment Area — wetland type/wetland complex condition metric (evaluate WT for all marshes and
Estuarine Woody Wetland only; evaluate WC for Bottomland Hardwood Forest, Headwater Forest, and Riverine Swamp Forest
only)
Check a box in each column for riverine wetlands only. Select the average width for the wetland type at the assessment area (WT) and
the wetland complex at the assessment area (WC). See User Manual for WT and WC boundaries.
WT WC
❑A ❑A >_ 100 feet
❑B ❑B From 80 to < 100 feet
®C ®C From 50 to < 80 feet
❑D ❑D From 40 to < 50 feet
❑E ❑E From 30 to < 40 feet
❑F ❑F From 15 to < 30 feet
❑G ❑G From 5 to < 15 feet
❑H ❑H < 5 feet

9. Inundation Duration — assessment area condition metric (skip for non -riparian wetlands)
Answer for assessment area dominant landform.
❑A Evidence of short -duration inundation (< 7 consecutive days)
❑B Evidence of saturation, without evidence of inundation
®C Evidence of long -duration inundation or very long -duration inundation (7 to 30 consecutive days or more)
10. Indicators of Deposition — assessment area condition metric (skip for non -riparian wetlands and all marshes)
Consider recent deposition only (no plant growth since deposition).
®A Sediment deposition is not excessive, but at approximately natural levels.
❑B Sediment deposition is excessive, but not overwhelming the wetland.
❑C Sediment deposition is excessive and is overwhelming the wetland.
11. Wetland Size — wetland type/wetland complex condition metric
Check a box in each column. Involves a GIS effort with field adjustment. This metric evaluates three aspects of the wetland area: the
size of the wetland type (WT), the size of the wetland complex (WC), and the size of the forested wetland (FW) (if applicable, see User
Manual). Seethe User Manual for boundaries of these evaluation areas. If assessment area is clear-cut, select "K" for the FW column.
WT WC FW (if applicable)
❑A ❑A ❑A >_ 500 acres
❑B ❑B ❑B From 100 to < 500 acres
❑C ❑C ❑C From 50 to < 100 acres
❑D ❑D ❑D From 25 to < 50 acres
❑E ❑E ❑E From 10 to < 25 acres
❑F ❑F ❑F From 5 to < 10 acres
❑G ❑G ❑G From 1 to < 5 acres
®H ®H ®H From 0.5 to < 1 acre
❑I ❑I ❑I From 0.1 to < 0.5 acre
❑J ❑J ❑J From 0.01 to < 0.1 acre
❑K ❑K ❑K < 0.01 acre or assessment area is clear-cut
12. Wetland Intactness — wetland type condition metric (evaluate for Pocosins only)
❑A Pocosin is the full extent (>_ 90%) of its natural landscape size.
❑B Pocosin type is < 90% of the full extent of its natural landscape size.
13. Connectivity to Other Natural Areas — landscape condition metric
13a. Check appropriate box(es) (a box may be checked in each column). Involves a GIS effort with field adjustment. This metric
evaluates whether the wetland is well connected (Well) and/or loosely connected (Loosely) to the landscape patch, the contiguous
naturally vegetated area and open water (if appropriate). Boundaries are formed by four -lane roads, regularly maintained utility line
corridors the width of a four -lane road or wider, urban landscapes, maintained fields (pasture and agriculture), or open water > 300
feet wide.
Well Loosely
❑A
❑A
>_ 500 acres
❑B
❑B
From 100 to < 500 acres
❑C
®C
From 50 to < 100 acres
❑D
❑D
From 10 to < 50 acres
®E
❑E
< 10 acres
❑F
❑F
Wetland type has a poor or no connection to other natural habitats
13b. Evaluate for marshes only.
❑Yes ❑No Wetland type has a surface hydrology connection to open waters/stream or tidal wetlands.
14. Edge Effect — wetland type condition metric (skip for all marshes and Estuarine Woody Wetland)
May involve a GIS effort with field adjustment. Estimate distance from wetland type boundary to artificial edges. Artificial edges include
non -forested areas >_ 40 feet wide such as fields, development, roads, regularly maintained utility line corridors, and clear -cuts. Consider
the eight main points of the compass. Artificial edge occurs within 150 feet in how many directions? If the assessment area is clear cut,
select option "C."
❑A 0
®B 1 to 4
❑C 5to8
15. Vegetative Composition — assessment area condition metric (skip for all marshes and Pine Flat)
❑A Vegetation is close to reference condition in species present and their proportions. Lower strata composed of appropriate
species, with exotic plants absent or sparse within the assessment area.
®B Vegetation is different from reference condition in species diversity or proportions, but still largely composed of native species
characteristic of the wetland type. This may include communities of weedy native species that develop after clearcutting or clearing.
It also includes communities with exotics present, but not dominant, over a large portion of the expected strata.
❑C Vegetation severely altered from reference in composition, or expected species are unnaturally absent (planted stands of non -
characteristic species or at least one stratum inappropriately composed of a single species), or exotic species are dominant in at
least one stratum.
16. Vegetative Diversity — assessment area condition metric (evaluate for Non -tidal Freshwater Marsh only)
❑A Vegetation diversity is high and is composed primarily of native species (< 10% cover of exotics).
❑B Vegetation diversity is low or has > 10% to 50% cover of exotics.
❑C Vegetation is dominated by exotic species (> 50 % cover of exotics).

17. Vegetative Structure — assessment area/wetland type condition metric
17a. Is vegetation present?
®Yes ❑No If Yes, continue to 17b. If No, skip to Metric 18.
17b. Evaluate percent coverage of assessment area vegetation for all marshes only. Skip to 17c for non -marsh wetlands.
❑A >_ 25% coverage of vegetation
❑B < 25% coverage of vegetation
17c. Check a box in each column for each stratum. Evaluate this portion of the metric for non -marsh wetlands. Consider
structure in airspace above the assessment area (AA) and the wetland type (WT) separately.
AA WT
o ❑A ®A Canopy closed, or nearly closed, with natural gaps associated with natural processes
❑B ❑B Canopy present, but opened more than natural gaps
CU ®C ❑C Canopy sparse or absent
o ❑A
❑A
Dense mid-story/sapling layer
❑B
®B
Moderate density mid-story/sapling layer
®C
❑C
Mid-story/sapling layer sparse or absent
❑A
❑A
Dense shrub layer
Moderate density layer
1E ❑B
❑B
shrub
U) ®C
®C
Shrub layer sparse or absent
❑A
❑A
Dense herb layer
_ ❑B
❑B
Moderate density herb layer
®C
®C
Herb layer sparse or absent
18. Snags — wetland type condition metric (skip for all marshes)
❑A Large snags (more than one) are visible (> 12 inches DBH, or large relative to species present and landscape stability).
®B Not
19. Diameter Class Distribution —wetland type condition metric (skip for all marshes)
❑A Majority of canopy trees have stems > 6 inches in diameter at breast height (DBH); many large trees (> 12 inches DBH) are
present.
❑B Majority of canopy trees have stems between 6 and 12 inches DBH, few are > 12 inch DBH.
®C Majority of canopy trees are < 6 inches DBH or no trees.
20. Large Woody Debris — wetland type condition metric (skip for all marshes)
Include both natural debris and man -placed natural debris.
❑A Large logs (more than one) are visible (> 12 inches in diameter, or large relative to species present and landscape stability).
®B Not
21. Vegetation/Open Water Dispersion — wetland type/open water condition metric (evaluate for Non -Tidal Freshwater Marsh only)
Select the figure that best describes the amount of interspersion between vegetation and open water in the growing season. Patterned
areas indicate vegetated areas, while solid white areas indicate open water.
❑A ❑B ❑C ❑D
22. Hydrologic Connectivity — assessment area condition metric (evaluate for riparian wetlands and Salt/Brackish Marsh only)
Examples of activities that may severely alter hydrologic connectivity include intensive ditching, fill, sedimentation, channelization, diversion,
man-made berms, beaver dams, and stream incision. Documentation required if evaluated as B, C, or D.
®A Overbank and overland flow are not severely altered in the assessment area.
❑B Overbank flow is severely altered in the assessment area.
❑C Overland flow is severely altered in the assessment area.
❑D Both overbank and overland flow are severely altered in the assessment area.
Notes
wetland created by road construction and culvert downstream. Canopy trees dead.

NC WAM Wetland Rating Sheet
Accompanies User Manual Version 5.0
Wetland Site Name PW1-2 - Wetland 6 Date of Assessment April 2019
Wetland Type Headwater Forest Assessor Name/Organization KMT, BGB/HDR
Notes on Field Assessment Form (Y/N) YES
Presence of regulatory considerations (Y/N) YES
Wetland is intensively managed (Y/N) NO
Assessment area is located within 50 feet of a natural tributary or other open water (Y/N) NO
Assessment area is substantially altered by beaver (Y/N) NO
Assessment area experiences overbank flooding during normal rainfall conditions (Y/N) NO
Assessment area is on a coastal island (Y/N) NO
Sub -function Rating Summary
Function
Sub -function
Metrics
Rating
Hydrology
Surface Storage and Retention
Condition
LOW
Sub -surface Storage and
Retention
Condition
LOW
Water Quality
Pathogen Change
Condition
LOW
Condition/Opportunity
LOW
Opportunity Presence (Y/N)
NO
Particulate Change
Condition
LOW
Condition/Opportunity
NA
Opportunity Presence (Y/N)
NA
Soluble Change
Condition
MEDIUM
Condition/Opportunity
MEDIUM
Opportunity Presence (Y/N)
NO
Physical Change
Condition
LOW
Condition/Opportunity
LOW
Opportunity Presence (Y/N)
YES
Pollution Change
Condition
NA
Condition/Opportunity
NA
Opportunity Presence (Y/N)
NA
Habitat Physical Structure
Condition
LOW
Landscape Patch Structure
Condition
LOW
Veaetation Composition
Condition
MEDIUM
Function Rating Summary
Function
Metrics
Rating
Hydrology
Condition
LOW
Water Quality
Condition
LOW
Condition/Opportunity
LOW
Opportunity Presence (Y/N)
YES
Habitat
Condition
LOW
Overall Wetland Rating LOW

Appendix
City of Charlotte Umbrella
Stream and Wetland
Mitigation Credit Availability
Letter

Charlotte -Mecklenburg
STORM 600 E. Fourth Street
WATER Charlotte, NC 28202
Services Fax [phone]
September 9, 2021
Ms. Haley Gentry
c/o: Kelly Thames (HDR Inc.)
Charlotte -Douglas International Airport
5601 Wilkinson Boulevard
Charlotte, NC 28208
Subject Project: Charlotte -Douglas Airport- Expansion —Phase 1(SAW#: 2018-01071)
HUC#: 03050101 (Upper Catawba)
The purpose of this letter is to notify you that the City of Charlotte Umbrella Stream and Wetland
Mitigation Bank ("Umbrella Bank7) is willing to accept the mitigation responsibility associated with the
subject project. Please note that the decision by the Umbrella Bank to accept this responsibility does not
ensure acceptance by the U.S. Army Corps of Engineers or the North Carolina Division of Water
Resources. It is the responsibility of the applicant to coordinate with these agencies to determine if
payment to the Umbrella Bank for impacts associated with this project is appropriate.
This acceptance is valid for six months from the date of this letter. The following documents must be
submitted to the Umbrella Bank within this time frame for this acceptance to remain valid:
1. 404 Permit Verification
2. 401 Water Quality Certification
3. Executed Transfer of Funds between the City of Charlotte Aviation Department and the
Mitigation Bank (Storm Water Services) detailing the use of and payment for the credits
described in the table below.
Based on the information supplied by your consultant, the wetland credits that are necessary to satisfy the
compensatory mitigation requirements and the total mitigation credits available for this for this project are
detailed in the table below.
Upper Catawba 03050101
Wetland (WMUs)
Credits Requested
1.25
Credits Available
1.25
Project Name
McDowell Creek Tributaries
The stream and wetland mitigation will be provided as specified in the Section 404 Permit or corresponding
401 Water Quality Certification for impacts associated with the subject project in Hydrologic Unit
03050101 of the Catawba River Basin. The mitigation will be performed in accordance with the
Agreement to Establish the City of Charlotte Umbrella Stream and Wetland Mitigation Bank in
Mecklenburg County, North Carolina, dated June, 16, 2004.
To report pollution or drainage problems, call: 311
http://stormwater.charmeck.org

Please contact me with questions and to arrange payment upon receipt ofpermit approvals at (704) 562-
2691 or erin.shanaberger&charlottenc.gov.
Sincerely,
Erin Shanaberger, PWS
Mitigation Bank Administrator
cc: File