20201321 Ver 1_ePCN Application_20210119

DWR
Division of Water Resources
Pre -Construction Notification (PCN) Form
October 26, 2020 Ver 3.3
Initial Review
Has this project met the requirements for acceptance in to the review process?*
r Yes
r No
Is this project a public transportation project?*
C Yes r No
Change only if needed.
BIMS # Assigned
20201321
Is a payment required for this project?*
r No payment required
r Fee received
r Fee needed - send electronic notification
Reviewing Office *
Central Office - [phone]
Information for Initial Review
1a. Name of project:
10 Davis Drive
1a. Who is the Primary Contact?*
Jennifer Burdette
1b. Primary Contact Email:*
[e-mail]
Date Submitted
1/19/2021
Nearest Body of Water
Burdens Creek (From source to Durham County SR 2028)
Basin
Cape Fear
Water Classification
WS-V;NSW
Site Coordinates
Latitude: Longitude:
35.898245-78.863500
Pre -Filing Meeting Information
ID#
20201321
Pre -fling Meeting or Request Date*
9/29/2020
Attach documentation of Pre -Filing Meeting Request here:*
1-ARE20000-Pre-filing Request Acknow.pdf
Version#*
1
What amout is owed?*
IT $240.00
r $570.00
Select Project Reviewer*
Rick Trone:eads\rvtrone
1c. Primary Contact Phone:*
[phone]
Version
Version 1
556.62KB
A. Processing Information C^U
County (or Counties) where the project is located:
Durham

Is this a NCDMS Project
r Yes r No
Is this project a public transportation project?*
r Yes r No
la. Type(s) of approval sought from the Corps:
* Section 404 Permit (wetlands, streams and waters, Clean Water Act)
r Section 10 Permit (navigable waters, tidal waters, Rivers and Harbors Act)
Has this PCN previously been submitted?*
r Yes
r No
1b. What type(s) of permit(s) do you wish to seek authorization?
W Nationwide Permit (NWP)
r Regional General Permit (RGP)
r Standard (IP)
1c. Has the NWP or GP number been verified by the Corps?
r Yes r No
Nationwide Permit (NWP) Number:
Nationwide Permit (NWP) Number:
NWP Numbers (for multiple NWPS):
1d. Type(s) of approval sought from the DWR:
W 401 Water Quality Certification - Regular
r Non-404 Jurisdictional General Permit
r Individual Permit
18 - Minor Discharges
39 - Commercial/Institutional Developments
le. Is this notification solely for the record because written approval is not required?
For the record only for DWR401 Certification:
For the record only for Corps Permit:
r 401 Water Quality Certification - Egress
r Riparian Buffer Authorization
1f. Is this an after -the -fact permit application?*
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
1g. Is payment into a mitigation bank or in -lieu fee program proposed for mitigation of impacts?
r Yes r No
Acceptance Letter Attachment
2-RES CF02 - SOA Cloud & Banner - 10 Davis.pdf
1h. Is the project located in any of NC's twenty coastal counties?
r Yes r No
1j. Is the project located in a designated trout watershed?
r Yes r No
B. Applicant Information
1d. Who is applying for the permit?
P Owner r Applicant (other than owner)
le. Is there an Agent/Consultant for this project?*
r Yes r No
2. Owner Information
2a. Name(s) on recorded deed:
ARE -NC Region No 14 LLC
2b. Deed book and page no.:
Deed Book: 006902; Deed Page:000392
2c. Responsible party:
Oliver Sherrill
2d.Address
142.77KB
*
r Yes r No
r Yes r No

Street Address
5 Laboratory Drive
Address tine 2
Suite 3200
city
Durham
Postal / Zip Code
27709-3329
2e. Telephone Number:
[phone]
2g. Email Address:*
[e-mail]
4. Agent/Consultant (if applicable)
4a. Name:
Jennifer Burdette
4b. Business Name:
McAdams
4c.Address
Street Address
2905 Meridian Parkway
Address Line 2
City
Durham
Postal / Zip Code
27713
4d. Telephone Number:
[phone]
4f. Email Address:*
[e-mail]
Agent Authorization Letter*
3-ARE20000-Davis-ARE Agent Auth.pdf
Slate / province / Pagion
NC
Country
USA
2f. Fax Number:
State / province / Rion
NC
Country
USA
4e. Fax Number:
479.27KB
C. Project Information and Prior Project History O
1. Project Information
1b. Subdivision name:
(ff appropriate)
1c. Nearest municipality/ town:
Durham
2. Project Identification
2a. Property Identification Number:
2b. Property size:
0748-03-02-9361
21
2c. Project Address
Street Address
8 Davis Drive Unit 02
Address Line 2
City
State / province / Region
Durham
NC
Postal / Zip Code
Country
27709
USA
3. Surface Waters
3a. Name of the nearest body of water to proposed project:
Burdens Creek (From source to Durham County SR 2028)
3b. Water Resources Classification of nearest receiving water:*
WS-V;NSW
3c. What river basin(s) is your project located in?*

Cape Fear
3d. Please provide the 12-digit HUC in which the project is located.
030300020605
4. Project Description and History
4a. Describe the existing conditions on the site and the general land use in the vicinity of the project at the time of this application:*
The site is a mix of pines and hardwoods, and cleared land associated with ongoing construction activities northeast of the site. Land use in the vicinity of the site generally consists of a
mix of commercial development, wooded land, and the aforementioned ongoing construction. It is located within the Research Triangle Park. Please refer to the attached USGS Location
Map (Figurel ), Durham County Soil Survey Maps (Figures 2A & 2B) and Aerial Map (Figure 3 - attached with soil maps) for more information on the project setting.
4b. Have Corps permits or DWR certifications been obtained for this project (including all prior phases) in the past?*
r Yes r No r- Unknown
4c. If yes, please give the DWR Certification number or the Corps Action ID (exp. SAW-0000-00000).
A verification for Nationwide Permits (NWP) 13 and 14 (SAW-2015-00891; attached) and corresponding General Certification (DWR # 2015-0378 V1) were first issued for the office and
laboratory facility a)pansion that is currently under construction in 2015. After the NWPs expired in 2017, the project appeared to be re -authorized based on the attached 401 approval
(V2) dated July 25, 2019 obtained from DWR files. Impacts authorized included 144 If of permanent, perennial stream (94 If culvert; 50 If riprap) and 0.003 ac of permanent wetland
impact to extend the culvert under Davis Drive to accommodate a new driveway across from Syngenta's Entry Drive.
Project History Upload
4-ARE20000-NW P-2015.pdf
5-ARE20000-DavisDr-401 approval V2.pdf
191.3KB
616.29KB
4d. Attach an 8 1/2 X 11 excerpt from the most recent version of the USGS topographic map indicating the location of the project site. (for DWR)
6-ARE20000_DavisDr_Fig 1 USGS.pdf
1.65 MB
4e. Attach an 8 1/2 X 11 excerpt from the most recent version of the published County NRCS Soil Survey map depicting the project site. (for DWR)
7-ARE20000_DavisDr_Fig 2 Web SS.pdf 1.26MB
8-ARE20000_DavisDr_Fig 2B Buffer Sub SS.pdf 1.08MB
9-ARE20000_DavisDr_Fig 3 Aerial_v2.pdf 2.53MB
4f. List the total estimated acreage of all existing wetlands on the property:
0.48
4g. List the total estimated linear feet of all existing streams on the property:
163
4h. Explain the purpose of the proposed project:*
The purpose of the project is to develop the property with the necessary infrastructure to provide suitable building areas for commercial development (office, laboratory, bio-
manufacturing), to serve the scientific and bio-manufacturing community.
41. Describe the overall project in detail, including indirect impacts and the type of equipment to be used:*
Located within Research Triangle Park, the site is part of a campus for bio-manufactu ring companies. The proposed project consists of a planned commercial development (office,
laboratory, bio-manufacturing facility) including roads, access drives, parking areas, utilities, and infrastructure. The attached Overall Impact Map (CI1.00) depicts the proposed site
plan, jurisdictional features and impact insets provided. Impact maps A-D provide detailed views of the proposed impacts. Grading activities necessary to construct the 2-story, 191,100
sf building and associated stormwater control measure (SCM) will impact two jurisdictional wetlands on the site (Impact Area B & D). Ajurisdictional stream channel and a wetland will be
temporarily impacted to provide sanitary sewer service for the facility (Impact Area A & C). Installation of a stormwater outlet will temporarily impact the receiving stream for construction
access (Impact Area B). Heavy equipment typical for road construction, utility installation and grading will be used to construct the proposed project such as track hoes, bulldozers,
dump trucks and graders.
4j. Please upload project drawings for the proposed project.
10-ARE20000-IMPACT MAP Set.pdf 3.96MB
5. Jurisdictional Determinations
5a. Have the wetlands or streams been delineated on the property or proposed impact areas?*
r Yes
r No
Comments:
The project area includes both an approved and preliminary JD as described below.
5b. If the Corps made a jurisdictional determination, what type of determination was made?
r Preliminary r Approved r Not Verified r Unknown r N/A
Corps AID Number:
SAW-2020-01211
5c. If 5a is yes, who delineated the jurisdictional areas?
Name (if known): Jennifer Burdette
Agency/Consultant Company: McAdams
Other: & Jonathan Grubb - ECS Limited
O Unknown
5d. List the dates of the Corp jurisdiction determination or State determination if a determination was made bythe Corps or DWR

Jonathan Grubb, ECS Limited obtained the attached approved jurisdictional determination (AJD) for a portion of the site on November 13, 2020. Because the AJD did not include the
entire project area for development, Jennifer Burdette and Alec Pierzga with McAdams completed a delineation of those areas not included in the AJD on December 28, 2020. A request
for a preliminary jurisdictional determination (PJD) is included with this application including a jurisdictional determination request form, Appendix 2 - PJD, three delineation forms and
Jurisdictional and Isolated Waters Delineation Map (Figure 4) in addition to the maps attached to the application.
McKenzie Myers, Durham County conducted a stream buffer determination and issued the attached letter dated January 13, 2021
5d1. Jurisdictional determination upload
11-ARE20000-DavisDr-Approved JD-2020.pdf
982.77KB
12-ARE20000-JD-REQUEST-FORM.pdf
430.75KB
13-ARE20000-App2-PJD-FORM.pdf
336.45KB
14-ARE20000-UP DP1.pdf
359.67KB
15-ARE20000-WL DP2.pdf
356.47KB
16-ARE20000-UP DP3.pdf
358.16KB
17-ARE20000_DavisDr_Fig 4 Delineation Map 2021-01-15_v3.pdf
2.52MB
18-ARE20000-DavisDr-Stream Determination.pdf
1.14MB
6. Future Project Plans
6a. Is this a phased project?*
r Yes O No
7b. If yes, explain.
Although this application completes development of the property, one additional building is planned on a conceptual level as shown on the Overall Impact Map (CI1.00). This proposed
building is not large enough to serve as the manufacturing facility proposed for Building 1 but will provide additional office and laboratory space. No additional impacts to jurisdictional
features will be required to construct this additional building.
Are any other NWP(s), regional general permit(s), or individual permits(s) used, or intended to be used, to authorize any part of the proposed project or related activity?
No
D. Proposed Impacts Inventory
1. Impacts Summary
la. Where are the impacts associated with your project? (check all that apply):
W Wetlands W Streams -tributaries
7 Open Waters r Pond Construction
2. Wetland Impacts
r Buffers
U
2a1 Reason(?)
2b. Impact type * (?)
2c. Type of W.
2d. W. name *
2e. Forested *
2C Type of
Jurisdicition*(?)
2g. Impact
area*
W1
Mass Grading - Fill
I
P
Headwater Forest
W1
Yes
Both
]
0.358
(acres)
W2
Mass Grading - Fill
P
Headwater Forest
W1
Yes
Both
0.022
(acres)
W3
SS Xng - Excavation
T
Headwater Forest
W2
�N.
Both
0.082
(acres)
t:=�
Mass Grading - Fill
P
Headwater Forest
W4
Yes
Both
0.003
(acres)
2g. Total Temporary Wetland Impact
0.082
2g. Total Wetland Impact
0.465
2g. Total Permanent Wetland Impact
0.383
2h. Comments:
Wetland W2 is located primarily within the powerline easement located along Interstate 40 and the sanitary sewer easement located along Burden's
Creek.
3. Stream Impacts
3a. Reason for impact (?) 3b.lmpact type * �3c. Type of impact* �3�name * ��3e. Stream Type* 3f. Type of 3g. S. width * 3h. Impact
(?) Jurisdiction* length*
S1
SS XingTem
ora
P rY
Excavation
1
Perennial
Both
4
Average (feet)
34
(lir�rfeet)
S2
Construction Access
Tem orar
P Y
Other
2
Intermittent
Both
3
Average (feet)
5
(linearfeet)
31. Total jurisdictional ditch impact in square feet:

31. Total permanent stream impacts:
31. Total stream and ditch impacts:
39
3j. Comments:
E. Impact Justification and Mitigation
1. Avoidance and Minimization
31. Total temporary stream impacts:
39
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing the project:
The applicant requested a delineation of surface waters and wetlands prior to designing the original site plan for the project to avoid and minimize
impacts to these resources to the maximum extent practicable. However, the contiguous footprint necessary to construct a laboratory and
manufacturing facility makes impacting the linear wetland (W1) through the site unavoidable (Impact Area B). It is also important to note that this
wetland area recently developed from the discharge from a temporary sediment and erosion control measure (SCM) that had also developed into a
wetland. This feature was determined to be excluded from Clean Water Act jurisdiction as shown on the AJD map. Upon removal of the hydrological
source for this wetland, this area would be expected to revert to upland. The portion of this wetland within the riparian buffer will not be filled but is
included as a permanent impact based on the expected loss of hydrology from developing the drainage area and routing stormwater to SCMs. A
portion of this wetland area is located withing the FEMA floodplain. Due to the prohibition of discharges of fill material into WOTUS, including wetlands,
resulting in permanent above -grade fill, we request an NWP 18 for this impact (Impact Area B - W2).
Temporary impacts to connect the proposed project to the eAsting sanitary sewer system are unavoidable due the relative location of a jurisdictional
stream (Impact Area A— S1) and wetland (Impact Area C — W3) to the connection points. Grading to provide access to a SCM A will permanently
impact 0.003 ac of a linear wetland. The configuration of this small wetland area and the narrowing area between the parking lot under construction
and the riparian buffer make it impractical to avoid.
1b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques:
A sediment and Erosion Control Plan for the project will be planned and approved by the Durham County Stormwater and Erosion Control Division,
and the project will comply with the supplementary NPDES Construction Stormwater Permit (NCG010000).
2. Compensatory Mitigation for Impacts to Waters of the U.S. or Waters of the State
2a. Does the project require Compensatory Mitigation for impacts to Waters of the U.S. or Waters of the State?
r Yes r No
2c. If yes, mitigation is required by (check all that apply):
W DWR W Corps
2d. If yes, which mitigation option(s) will be used for this project?
I7 Mitigation bank r Payment to in -lieu fee r Permittee Responsible
program Mitigation
3. Complete if Using a Mitigation Bank
3a. Name of Mitigation Bank:
RES Cape Fear 02 Umbrella Mitigation Bank
3b. Credits Purchased/Requested (attach receipt and letter)
Type: Quantity:
Riparian wetland 0.77
Attach Receipt and/or letter
3c. Comments
The SOA is attached under section A.1.g. of the application.
6. Buffer mitigation (State Regulated Riparian Buffer Rules) - required by DWR
6a. Will the project result in an impact within a protected riparian buffer that requires buffer mitigation? If yes, you must fill out this entire form - please contact DWR for more
information.
C Yes r No
F. Stormwater Management and Diffuse Flow Plan (required by DWR)
1. Diffuse Flow Plan
1a. Does the project include or is it adjacent to protected riparian buffers identified within one of the NC Riparian Buffer Protection Rules?
r Yes r No

What type of SCM are you providing?
r Level Spreader
r Vegetated Conveyance (lower SHWT)
r Wetland Swale (higher SMNT)
P Other SCM that removes minimum 30 % nitrogen
r- Proposed project will not create concentrated stormwater flow through the buffer
Diffuse Flow Documentation
2. Stormwater Management Plan
2a. Is this a NCDOT project subject to compliance with NCDOT's Individual NPDES permit NCS000250?*
r Yes r No
2b. Does this project meet the requirements for low density projects as defined in 15ANCAC 02H .1003(2)?
r Yes r No
2c. Does this project have a stormwater management plan (SMP) reviewed and approved under a state stormwater program or state -approved local government stormwater
program?
r Yes r No
r N/A - project disturbs < 1 acre
2d. Which of the following stormwater management program(s) apply:
W Local Government r- State
Local Government Stormwater Programs
W Phase II W NSW r t1SMP r Water Supply
Please identify which local government stormwater program you are using.
Durham County
Comments:
The campus is undergoing expansion, with two new buildings and associated parking and infrastructure designed by McKim & Creed currently being constructed onsite. As part of this
campus expansion, McKim & Creed also designed two stormwater wetlands to treat the increases in impervious. 10 Davis Drive represents the next phase of the campus and includes
one building, parking lots, access roads, sidewalks, and associated infrastructure. The two SCMs previously designed by McKim & Creed will be modified and utilized to treat this
development as well. Both SCMS (SCM A and SCM B) will be converted to wet ponds with adjusted elevations, in order to better provide treatment and increase stormwater capacity for
the site, in anticipation of future expansions onsite. Additionally, a new, third SCM (SCM C) is proposed in the southwest corner of the site. This third SCM will also be a wet pond.
The project site is located within the Jordan Lake Watershed, but it outside of any watershed protection overlays. The development drains to Burdens Creek (BIMS 16-41-1-17-1-(0.3))
and is classified as WS-V;NSW. Per Durham County Regulations, stormwater management on this site shall meet the stormwater management standards for development set froth in
the Durham County Code of Ordinances. All proposed SCMs are designed to the Minimum Design Criteria provided in the NCDEQ Stormwater Design Manual. The proposed
development is treated for 85 % TSS removal per the Durham County Code of Ordinances using the proposed SCMs.
G. Supplementary Information U
1. Environmental Documentation
la. Does the project involve an expenditure of public (federal/state/local) funds or the use of public (federal/state) land?*
r Yes r No
2. Violations (DWR Requirement)
2a. Is the site in violation of DWR Water Quality Certification Rules (15A NCAC 2H .0500), Isolated Wetland Rules (15A NCAC 21-1.1300), or DWR Surface Water or Wetland Standards or
Riparian Buffer Rules (15A NCAC 2B .0200)? *
r Yes r No
3. Cumulative Impacts (DWR Requirement)
3a. Will this project result in additional development, which could impact nearby downstream water quality?*
r Yes r No
3b. If you answered "no," provide a short narrative description.
This is the final phase of the project, which is not anticipated to result in additional development.
4. Sewage Disposal (DWR Requirement)
4a. Is sewage disposal required by DWR for this project?*
r Yes r Nor N/A
4b. Describe, in detail, the treatment methods and dispositions (non -discharge or discharge) of wastewater generated from the proposed project. If the wastewater will be treated
at a treatment plant, list the capacity available at that plant.
Wastewater generated by the proposed structures will be sent to the Durham County sanitary sewer system. The county will review the project to
ensure sufficient treatment capacity is available.
5. Endangered Species and Designated Critical Habitat (Corps Requirement)

5a. Will this project occur in or near an area with federally protected species or habitat?*
r Yes r No
5b. Have you checked with the USFWS concerning Endangered Species Act impacts?*
r Yes r- No
5c. If yes, indicate the USFWS Field Office you have contacted.
Raleigh
5d. Is another Federal agency involved?*
r Yes r No
5e. Is this a DOT project located within Division's 1-8?
r Yes r No
5f. Will you cut any trees in order to conduct the work in waters of the U.S.?
r Yes r- No
5g. Does this project involve bridge maintenance or removal?
r Yes r No
5h. Does this project involve the construction/installation of a wind turbine(s)?*
r Yes r No
r- Unknown
Si. Does this project involve (1) blasting, and/or (2) other percussive activities that will be conducted by machines, such as jackhammers, mechanized pile drivers, etc.?
r Yes r No
If yes, please provide details to include type of percussive activity, purpose, duration, and specific location of this activity on the property.
19-ARE20000-DavisDr-Blasting Info.pdf 737.89KB
5j. What data sources did you use to determine whether your site would impact Endangered Species or Designated Critical Habitat?
A protected species assessment was prepared and submitted to USFWS on January 18, 2021. The self certification letter, species conclusion table
and USFWS receipt email are attached.
Consultation Documentation Upload
20-ARE20000-DavisDr-RFOSelfCertify.pdf 801.63KB
21-ARE20000_DavisDr_Species Conclusion Table.pdf 139.26KB
22-ARE20000-DavisDr-USFWS Review Pkg Receipt-2021-01-18.pdf 586.47KB
6. Essential Fish Habitat (Corps Requirement)
6a. Will this project occur in or near an area designated as an Essential Fish Habitat?*
r- Yes r No
6b. What data sources did you use to determine whether your site would impact an Essential Fish Habitat?*
NOAA Essential Fish Habitat (EFH) Mapper (http://www.habitat.noaa.gov/protection/efh/efhmapper/), accessed January 7, 2021
7. Historic or Prehistoric Cultural Resources (Corps Requirement)
7a. Will this project occur in or near an area that the state, federal or tribal governments have designated as having historic or cultural preservation status?*
r' Yes r No
7b. What data sources did you use to determine whether your site would impact historic or archeological resources?*
A environmental review request was submitted to SHPO on January 19, 2021. Their response vdll be forwarded upon receipt.
7c. Historic or Prehistoric Information Upload
8. Flood Zone Designation (Corps Requirement)
8a. Will this project occur in a FEMA-designated 100-year floodplain?*
r Yes r No
8b. If yes, explain how project meets FEMA requirements:
All of the buildings and structures are completely out of the floodplain. Any fill for the SCMs is above the 25-year base flood elevation.
8c. What source(s) did you use to make the floodplain determination?*
FEMA FIRM 3720074800K, effective 10/19/2018
Miscellaneous
Comments
Miscellaneous attachments not previously requested.
Signature u

FI By checking the box and signing below, I certify that:
• The project proponent hereby certifies that all information contained herein is true, accurate, and complete to the best of my knowledge and belief; and
• The project proponent hereby requests that the certifying authority review and take action on this CWA 401 certification request within the applicable reasonable period of time.
I have given true, accurate, and complete information on this form;
• I agree that submission of this PCN form is a "transaction" subject to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act');
• I agree to conduct this transaction by electronic means pursuant to Chapter 66, Article 40 of the NC General Statutes (the "Uniform Electronic Transactions Act");
• I understand that an electronic signature has the same legal effect and can be enforced in the same way as a written signature; AND
• I intend to electronically sign and submit the PCN form.
Full Name:
Jennifer Burdette
Signature
Date
1/19/2021

'J MCADAMs
AGENT AUTHORIZATION FORM
All Blanks To Be Filled In By The Current PropertV Owner
FIELDS WITH * ARE REQUIRED
PIN:
0748-03-02-7196
Name:
ARE -NC Region No. 14, LLC
Address:
5 Laboratory Drive, Ste 3200, Research Triangle Park, NC 27709-3329
Phone:
919-609-7323
Email:
[e-mail]
Project Name:
10 Davis Drive
Project Number:
ARE-20000
Project Manager:
Brandon Finch/Jennifer Burdette
US Army Corps of Engineers — Wilmington District
Raleigh Regulatory Field Office
3331 Heritage Trade Drive, Suite 105
Wake Forest, NC 27587
Re: Clean Water Act Related Consulting and Permitting
To Whom It May Concern:
NC Division of Water Resources
401 & Buffer Permitting Branch
512 N. Salisbury Street
Raleigh, NC 27604
I hereby designate and authorize The John R. McAdams Company, Inc. to act on my behalf as my agent in obtaining
verification of wetland delineations and processing of permit applications for the project listed above.
I, the undersigned, a duly authorized owner of record of the property/properties identified herein, do authorize
representatives of the Wilmington District, U.S. Army Corps of Engineers (Corps) and NC Division of Water Resources
to enter upon the property herein described for the purpose of conducting on -site investigation and issuing a
determination associated with Waters of the U.S. subject to Federal jurisdiction under Section 404 of the Clean
Water Act/Section 10 of the Rivers and Harbors Act of 1899 and/or Waters of State and/or Riparian Buffer Rules.
This notification supersedes any previous correspondence concerning the agent for this project.
NOTICE: This authorization, for liability and professional courtesy reasons, is valid only for government officials to
enter the property when accompanied by The John R. McAdams Company, Inc. staff.
*Print Property Owner *Signature
5 VP e *6y�-,� Jyltu� ���rcc�ar /ZO
*Title * Date
creating experiences through experience 2905 Meridian Parkway, Durham, NC 1919. 361. 5000

fires
Environmental Banc & Exchange, LLC Stream and Wetland Banks
Statement of Availability January 12, 2021
U.S. Army Corps of Engineers
April Norton
Raleigh Regulatory Field Office
3331 Heritage Trade Center, Suite 105
Wake Forest, NC 27587
Re Project: 10 Davis
This document confirms that the Alexandria Real Estate Equities, Inc. (Applicant) for the 10 Davis
(Project) has expressed an interest to utilize 1.00 Riparian Wetland Mitigation Credits from the EBX
sponsored RES Cape Fear 02 Umbrella Mitigation Bank, specifically 1.00 Wetland credits from the Cloud
& Banner Site, in the Cape Fear HUC 03030002. As the official Bank Sponsor, Environmental Banc &
Exchange, LLC, attests to the fact that mitigation is available for reservation at this time.
These mitigation credits are not considered secured, and consequently are eligible to be used for alternate
purposes by the Bank Sponsor, until payment in full is received from the Applicant resulting in the
issuance of a Mitigation Credit Transfer Certificate by the bank acknowledging that the Applicant has
fully secured credits from the bank and the Banker has accepted full responsibility for the mitigation
obligation requiring the credits/units.
The Banker will issue the Mitigation Credit Transfer Certificate within three (3) days of receipt of the
purchase price. Banker shall provide to Applicant a copy of the Mitigation Credit Transfer Certificate and
a documented copy of the debit of credits from the Bank Official Credit Ledger(s), indicating the permit
number and the resource type secured by the applicant. A copy of the Mitigation Credit Transfer
Certificate, with an updated Official Credit Ledger will also be sent to regulatory agencies showing the
proper documentation.
Please contact me at 919-209-1075 if you have any questions.
Best Regards,
Caitlan B. Parker
Resource Environmental Solutions, LLC
701 E. Bay Street, Suite 306
Charleston, SC 29403

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NOTES:
1. USGS; 7.5 MINUTE, QUAD, SOUTHEAST DURHAM, NORTH CAROLINA; 2019
2. LAT: 35.898245, LONG:-78.863500
"0 1,000 2,000
J FIGURE 1. USGS TOPOGRAPHIC MAP Feet
10 DAVIS DRIVE 1 inch = 2,000 feet
DURHAM, DURHAM COUNTY, NC VERSION: 1
DATE: 1 /15/2021
MCADAMS JOB NO: ARE-20000
DRAWN BY: manning
M:\Projects\Alexand6aRE\ARE-20000\04-Production\Natural Resources\GIS\2021-01-15 Revised ProjectArea\ARE20000 DavisDr Fig 1 USGS.rrxd, 1/15/2021 8:44:50AM, manning

Project Area
Soil Map Unit
Map Unit Hydric Soil
1!
Symbol Map Unit Name Rating
CC Cartecay and Chewacla soils, 0 to 2 percent slopes, frequently flooded Yes (Cartecay) n
Ur Urban land No
a
WsB White Store sandy loam, 2 to 6 percent slopes No
WsC White Store sandy loam, 6 to 10 percent slopes No
WsE lWhite Store sandy loam, 10 to 25 percent slopes No a NC C nter for eographic Information •& Analysis
NOTES:
Web Soil Survey SSURGO Spatial Data: Durham County (Version 13, Jun 2, 2020)
0 125 250
J FIGURE 2. NRCS WEB SOIL SURVEY Feet
10 DAVIS DRIVE 1 inch = 250 feet
DURHAM, DURHAM COUNTY, NC VERSION: 1
DATE: 1 /15/2021
MCADAMS JOB NO: ARE-20000
DRAWN BY: manning
MAP rojects\AlexandriaREWRE-20000\04-Prod uction\Natural Resources\GIS\2021-01-15 Revised ProjectArea\ARE20000 DavisDr Fiq 2 Web SS.mxd, 1/15/2021 11:40:22AM, manning

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NOTES:
1. NRCS; SOIL SURVEY SHEET 36, DURHAM COUNTY, NC (1976)
0 660 1,320
FIGURE 2B. BUFFER SUBJECTIVITY SOIL SURVEY Feet
10 DAVIS DRIVE 1 inch = 1,320 feet
DURHAM, DURHAM COUNTY, NC VERSION: 1
DATE: 1/15/2021
MCADAMS JOB NO: ARE-20000
DRAWN BY: manning
M:\Projects\AlexandriaRE\ARE-20000\04-Production\Natural Resources\GIS\2021-01-15 Revised ProjectArea\ARE20000 DavisDr Fiq 2B Buffer Sub SS.mxd, 1/15/2021 11:41:52 AM,
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GRAPHIC SCALE
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finch =100ft.
PRELIMINARY DRAWING - NOT RELEASED FOR CONSTRUCTION
'J
McADAN4S
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
CLIENT
ALEXANDRIA REAL ESTATE EQUITIES, INC.
5 LABORATORY DRIVE, SUITE 3200
RESEARCH TRIANGLE PARK, NC 27709
ALEXANDRIA.
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NO. DATE
PLAN INFORMATION
PROJECT NO
FILENAME
CHECKED BY
DRAWN BY
SCALE
DATE
SHEET
ARE-20000
ARE20000-IM1
JLE
CJ W
1"=100'
01.18.2021
OVERALL
IMPACT MAP
C11600

0
GRAPHIC SCALE
0 20 40 80
1 inch = 40 ft.
/ 20' ZONE 2 NEUSEI \
/ RIPARIAN BUFFER
(MEASURED 50' F OM TOP
OF BANK, EACH �DE)
30' ZONE 1 NEUSE
RIPARIAN BUFFER
(MEASUR 30' FROM
OF BANK, EACH SIDE)
y _
BU�FE
SF _ \ 1 ONE 1
BUFFER 1
/ I IMPACT=846 SF
,S 1 ST AM 1�' T&M FRICRARY�
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ANK
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-BU
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
TEMPORARY STREAM
EAEL] IMPACT
10 DAVIS DRIVE
IMPACT MAP AREA "A"
8 DAVIS DRIVE, UNIT 2
DURHAM, NC
ZONE 1 BUFFER IMPACT
ZONE 2 BUFFER IMPACT
PLAN INFORMATION
PROJECT NO.
ARE-20000
FILENAME
ARE20000-IM1
CHECKED BY
JLM
DRAWN BY
CJW
SCALE
1"=40'
DATE
01.18.2021

I I I I I
I ,
I
\ I I
I
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/ II
, IIIII
W2 (WETLAND W1) PERMANENT
IMPACT=0.022 ACiel
20' ZONE 2 BUFFER
S2 (STREAM 2) TEMPORARY
IMPACT=5 LF (10 SF)
EXISTING
WETLANDS
30' ZONE 1 BUFFER
ZONE 1 BUFFER IMPACT
ZONE 2 BUFFER IMPACT
John R. McAdams Company, Inc.
,The
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
MCADAMSwww.mcadamsco.com
\J I \
III ,
I
\ \ \ \ \ W1 (WETLAN\N��1 yV11)I PERMANENT
\ I PACT=0.356)
I I I I I I
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PACT=666 SF
I I �
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TEMPORARY STREAM
I M PACT
10 DAVIS DRIVE
IMPACT MAP AREA "B"
8 DAVIS DRIVE, UNIT 2
DURHAM, NC
4z
GRAPHIC SCALE
0 25 50 100
1 inch = 50 ft.
PLAN INFORMATION
PROJECT NO.
ARE-20000
FILENAME
ARE20000-IM1
CHECKED BY
JLM
DRAWN BY
CJW
SCALE
1"=50'
DATE
01.18.2021

�J
WADAMS
i
i
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The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
Tp/41 --"
10 DAVIS DRIVE
I M PACT MAP AREA "C"
8 DAVIS DRIVE, UNIT 2
DURHAM, NC
W3 (WETLAND W2) TEMPORARY
IMPACT=0.082 AC
29
GRAPHIC SCALE
0 10 20 40
1 inch = 20 ft.
PLAN INFORMATION
PROJECT NO.
ARE-20000
FILENAME
ARE20000-IM1
CHECKED BY
JLM
DRAWN BY
CJW
SCALE
1"=20-
DATE
01.18.2021

W4 (WETLAND W3) PERMANENT /
1IMPACT=0.003 AC
N / 11 - - -, Illy kl i lI I 1 /
11 � _ - I1111
--� _
GRAPHIC SCALE /l1/rI ' �— � //\ / I/�el��
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Iinch =20ft.
BUFFER/ /� / / I
IMPACT q{/
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/30' ZONE B{JF(ER
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=444a
The John R. McAdams Company, Inc.
2905 Meridian Parkway
Durham, NC 27713
phone [phone]
fax [phone]
license number: C-0293, C-187
www.mcadamsco.com
ZONE 2 BUFFER IMPACT
10 DAVIS DRIVE
IMPACT MAP AREA "D"
8 DAVIS DRIVE, UNIT 2
DURHAM, NC
PLAN INFORMATION
PROJECT NO.
ARE-20000
FILENAME
ARE20000-IM1
CHECKED BY
JLM
DRAWN BY
CJW
SCALE
V=20-
DATE
01.18.2021

U.S. Army Corps of Engineers OMB Control #: 0710-xxxx, Exp: Pending
WETLAND DETERMINATION DATA SHEET — Eastern Mountains and Piedmont Region Requirement Control Symbol EXEMPT.•
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority: AR 335-15, paragraph 5-2a)
Project/Site: 10 Davis Drive City/County: Durham/ Durham Sampling Date: 12/28/2020
Applicant/Owner: Alexandria Real Estate State: NC Sampling Point: UP DP#1
Investigator(s): Jennifer Burdette (McAdams) Section, Township, Range: N/A
Landform (hillside, terrace, etc.): draw Local relief (concave, convex, none): concave Slope (%): 10-25
Subregion (LRR or MLRA): LRR P, MLRA 136 Lat: 35.897004 Long:-78.864045 Datum: NAD83
Soil Map Unit Name: WsE- White Store sandy loam, 10 to 25 percent NWI classification: N/A
Are climatic / hydrologic conditions on the site typical for this time of year? Yes X No (If no, explain in Remarks.)
Are Vegetation Soil or Hydrology significantly disturbed? Are "Normal Circumstances" present? Yes X No
Are Vegetation Soil or Hydrology naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No Is the Sampled Area
Hydric Soil Present? Yes No X within a Wetland? Yes No X
Wetland Hydrology Present? Yes No X
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators (minimum of two required)
Primary Indicators (minimum of one is required: check all that apply)
—Surface Soil Cracks (136)
_Surface Water (Al) _True
Aquatic Plants (1314)
_Sparsely Vegetated Concave Surface (138)
_ High Water Table (A2) —Hydrogen
Sulfide Odor (Cl)
—Drainage Patterns (1310)
—Saturation (A3) —Oxidized
Rhizospheres on Living Roots (C3)
—Moss Trim Lines (1316)
—Water Marks (131) —Presence
of Reduced Iron (C4)
_ Dry -Season Water Table (C2)
—Sediment Deposits (132) —Recent
Iron Reduction in Tilled Soils (C6)
—Crayfish Burrows (C8)
_ Drift Deposits (133) _Thin
Muck Surface (C7)
—Saturation Visible on Aerial Imagery (C9)
_Algal Mat or Crust (134) —Other
(Explain in Remarks)
_ Stunted or Stressed Plants (D1)
_ Iron Deposits (135)
_ Geomorphic Position (D2)
_ Inundation Visible on Aerial Imagery (137)
—Shallow Aquitard (D3)
—Water-Stained Leaves (139)
_ Microtopographic Relief (D4)
Aquatic Fauna (1313)
FAC-Neutral Test (D5)
Field Observations:
Surface Water Present? Yes No
X Depth (inches):
Water Table Present? Yes No
X Depth (inches):
Saturation Present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:

VEGETATION (Four Strata) - Use scientific names of plants.
Sampling Point: UP DP#1
Absolute
Dominant
Indicator
Tree Stratum (Plot size: 30' )
% Cover
Species?
Status
Dominance Test worksheet:
1.
Pinus taeda
75
Yes
FAC
Number of Dominant Species
2.
Quercus stellata
10
No
UPL
That Are OBL, FACW, or FAC: 3 (A)
3.
Liquidambarstyraciflua
8
No
FAC
Total Number of Dominant
4.
Acer rubrum
5
No
FAC
Species Across All Strata: 3 (B)
5.
Juniperus virginiana
5
No
FACU
Percent of Dominant Species
6.
Quercus rubra
5
No
FACU
That Are OBL, FACW, or FAC: 100.0% (A/B)
7.
Prevalence Index worksheet:
108
=Total Cover
Total % Cover of: Multiply by:
50% of total cover:
54 20% of total cover:
22
OBL species x 1 =
Saplinq/Shrub Stratum (Plot size: 15,
)
FACW species x 2 =
1.
Acer rubrum
25
Yes
FAC
FAC species x 3 =
2.
Carya glabra
5
No
FACU
FACU species x 4 =
3.
Liquidambarstyraciflua
5
No
FAC
UPL species x 5 =
4.
Column Totals: (A) (B)
5.
Prevalence Index = B/A =
6.
Hydrophytic Vegetation Indicators:
7.
1 - Rapid Test for Hydrophytic Vegetation
8.
X 2 - Dominance Test is >50%
9.
3 - Prevalence Index is <-3.0'
35
=Total Cover
4 - Morphological Adaptations' (Provide supporting
50% of total cover:
18 20% of total cover:
7
data in Remarks or on a separate sheet)
Herb Stratum (Plot size: 5' )
Problematic Hydrophytic Vegetation' (Explain)
1.
Diospyros virginiana
12
Yes
FAC
'Indicators of hydric soil and wetland hydrology must be
2.
Euonymus americanus
1
No
FAC
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
3. Allium vineale 1 No FACU
4.
Tree - Woody plants, excluding vines, 3 in. (7.6 cm) or
5.
more in diameter at breast height (DBH), regardless of
6.
height.
7.
Sapling/Shrub - Woody plants, excluding vines, less
8.
than 3 in. DBH and greater than or equal to 3.28 ft
9.
(1 m) tall.
10.
Herb - All herbaceous (non -woody) plants, regardless
11.
of size, and woody plants less than 3.28 ft tall.
14
=Total Cover
Woody Vine - All woody vines greater than 3.28 ft in
50% of total cover:
7 20% of total cover:
3
height.
Woody Vine Stratum (Plot size: 15, )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover
Vegetation
50% of total cover:
20% of total cover:
Present? Yes X No
Remarks: (Include photo numbers here or on a separate sheet.)

SOIL Sampling Point: UP DP#1
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth
Matrix
Redox Features
(inches)
Color (moist)
%
Color (moist) % Type' Locz Texture Remarks
0-3
10YR 4/4
100
Loamy/Clayey
3-9
10YR 5/3
100
Loamy/Clayey
9-16
7.5YR 4/6
100
Loamy/Clayey
'Type: C=Concentration, D=Depletion,
Hydric Soil Indicators:
_ Histosol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ 2 cm Muck (A10) (LRR N)
_ Depleted Below Dark Surface (A11)
—Thick Dark Surface (Al 2)
—Sandy Mucky Mineral (S1)
_ Sandy Gleyed Matrix (S4)
—Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7)
Restrictive Layer (if observed):
Type:
Depth (inches):
Remarks:
No hydric soil features observed
RM=Reduced Matrix. MS=Masked Sand Grains.
_ Polyvalue Below Surface (S8) (MLRA 147, 148)
—Thin Dark Surface (S9) (MLRA 147, 148)
_ Loamy Mucky Mineral (F1) (MLRA 136)
_ Loamy Gleyed Matrix (F2)
_ Depleted Matrix (F3)
_ Redox Dark Surface (F6)
_ Depleted Dark Surface (F7)
_ Redox Depressions (F8)
_ Iron -Manganese Masses (F12) (LRR N,
MLRA 136)
_ Umbric Surface (F13) (MLRA 122, 136)
_ Piedmont Floodplain Soils (F19) (MLRA 148)
Red Parent Material (F21) (MLRA 127, 1479 148)
2Location: PL=Pore Lining, M=Matrix
Indicators for Problematic Hydric Soils3:
_ 2 cm Muck (A10) (MLRA 147)
—Coast Prairie Redox (A16)
(MLRA 147, 148)
Piedmont Floodplain Soils (F19)
(MLRA 136, 147)
_ Red Parent Material (F21)
(outside MLRA 127, 147, 148)
—Very Shallow Dark Surface (F22)
Other (Explain in Remarks)
31ndicators of hydrophytic vegetation and
wetland hydrology must be present,
unless disturbed or problematic.
Hydric Soil Present? Yes No X
ENG FORM 6116-4-SG, JUL 2018 Eastern Mountains and Piedmont — Version 2.0

U.S. Army Corps of Engineers OMB Control #: 0710-xxxx, Exp: Pending
WETLAND DETERMINATION DATA SHEET — Eastern Mountains and Piedmont Region Requirement Control Symbol EXEMPT.•
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority: AR 335-15, paragraph 5-2a)
Project/Site: 10 Davis Drive City/County: Durham/ Durham Sampling Date: 12/28/2020
Applicant/Owner: Alexandria Real Estate State: NC Sampling Point: WL DP#2
Investigator(s): Jennifer Burdette (McAdams) Section, Township, Range: N/A
Landform (hillside, terrace, etc.): floodplain Local relief (concave, convex, none): concave Slope (%): 0-2
Subregion (LRR or MLRA): LRR P, MLRA 136 Lat: 35.897933 Long:-78.855434 Datum: NAD83
Soil Map Unit Name: Cartecay and Chewacla soils, 0 to 2 percent slopes, frequently fooded NWI classification: N/A
Are climatic / hydrologic conditions on the site typical for this time of year? Yes X No (If no, explain in Remarks.)
Are Vegetation Soil or Hydrology significantly disturbed? Are "Normal Circumstances" present? Yes X No
Are Vegetation Soil or Hydrology naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No Is the Sampled Area
Hydric Soil Present? Yes X No within a Wetland? Yes X No
Wetland Hydrology Present? Yes X No
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators (minimum of two required)
Primary Indicators (minimum of one is required: check all that apply)
—Surface Soil Cracks (136)
X Surface Water (Al) _True
Aquatic Plants (1314)
_Sparsely Vegetated Concave Surface (138)
X High Water Table (A2) —Hydrogen
Sulfide Odor (Cl)
—Drainage Patterns (1310)
—Saturation (A3) —Oxidized
Rhizospheres on Living Roots (C3)
—Moss Trim Lines (1316)
—Water Marks (131) —Presence
of Reduced Iron (C4)
_ Dry -Season Water Table (C2)
X Sediment Deposits (132) —Recent
Iron Reduction in Tilled Soils (C6)
—Crayfish Burrows (C8)
_ Drift Deposits (133) _Thin
Muck Surface (C7)
—Saturation Visible on Aerial Imagery (C9)
_Algal Mat or Crust (134) —Other
(Explain in Remarks)
_ Stunted or Stressed Plants (D1)
_ Iron Deposits (135)
_ Geomorphic Position (D2)
_ Inundation Visible on Aerial Imagery (137)
—Shallow Aquitard (D3)
—Water-Stained Leaves (139)
_ Microtopographic Relief (D4)
Aquatic Fauna (1313)
X FAC-Neutral Test (D5)
Field Observations:
Surface Water Present? Yes X No
Depth (inches): 0
Water Table Present? Yes X No
Depth (inches): 0
Saturation Present? Yes X No
Depth (inches): 0
Wetland Hydrology Present? Yes X No
includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:

VEGETATION (Four Strata) - Use scientific names of plants.
Sampling Point: WL DP#2
Tree Stratum (Plot size: 30' )
% Cover Species?
Status
Dominance Test worksheet:
1
Number of Dominant Species
2.
That Are OBL, FACW, or FAC: 1 (A)
3.
Total Number of Dominant
4.
Species Across All Strata: 1 (B)
5.
Percent of Dominant Species
6.
That Are OBL, FACW, or FAC: 100.0% (A/B)
7.
Prevalence Index worksheet:
=Total Cover
Total % Cover of: Multiply by:
50% of total cover:
20% of total cover:
OBL species x 1 =
Sapling/Shrub Stratum (Plot size: 15,
)
FACW species x 2 =
1.
FAC species x 3 =
2.
FACU species x 4 =
3.
UPL species x 5 =
4.
Column Totals: (A) (B)
5.
Prevalence Index = B/A =
6.
Hydrophytic Vegetation Indicators:
7.
1 - Rapid Test for Hydrophytic Vegetation
8.
X 2 - Dominance Test is >50%
9.
3 - Prevalence Index is <-3.0'
=Total Cover
4 - Morphological Adaptations' (Provide supporting
50% of total cover:
20% of total cover:
data in Remarks or on a separate sheet)
Herb Stratum (Plot size: 5' )
Problematic Hydrophytic Vegetation' (Explain)
1. Rudbeckia laciniata
85 Yes
FACW
'Indicators of hydric soil and wetland hydrology must be
2. Microstegium vimineum
0
FAC
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
3. Ulmus alata 5 No FACU
4.
Tree - Woody plants, excluding vines, 3 in. (7.6 cm) or
5.
more in diameter at breast height (DBH), regardless of
6.
height.
7.
Sapling/Shrub - Woody plants, excluding vines, less
8.
than 3 in. DBH and greater than or equal to 3.28 ft
9.
(1 m) tall.
10.
Herb - All herbaceous (non -woody) plants, regardless
11.
of size, and woody plants less than 3.28 ft tall.
90 =Total Cover
Woody Vine - All woody vines greater than 3.28 ft in
50% of total cover:
45 20% of total cover:
18
height.
Woody Vine Stratum (Plot size: 15, )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover
Vegetation
50% of total cover:
20% of total cover:
Present? Yes X No
Remarks: (Include photo numbers here or on a separate sheet.)
Microstegium not used in determining dominence and previlence index

SOIL Sampling Point: WL DP#2
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth Matrix Redox Features
(inches) Color (moist) % Color (moist) % Type' Locz Texture Remarks
0-5 10YR 4/3 80 7.5YR 5/2 20 C M Loamy/Clayey Silty clay
5-16 2.5YR 5/2 88 7.5YR 4/6 20 C M Loamy/Clayey Silty clay
'Type: C=Concentration, D=Depletion,
Hydric Soil Indicators:
_ Histosol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ 2 cm Muck (A10) (LRR N)
_ Depleted Below Dark Surface (A11)
—Thick Dark Surface (Al 2)
—Sandy Mucky Mineral (S1)
_ Sandy Gleyed Matrix (S4)
—Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7)
Restrictive Layer (if observed):
Type:
Depth (inches):
Remarks:
RM=Reduced Matrix. MS=Masked Sand Grains.
_ Polyvalue Below Surface (S8) (MLRA 147, 148)
—Thin Dark Surface (S9) (MLRA 147, 148)
_ Loamy Mucky Mineral (F1) (MLRA 136)
_ Loamy Gleyed Matrix (F2)
X Depleted Matrix (F3)
_ Redox Dark Surface (F6)
_ Depleted Dark Surface (F7)
_ Redox Depressions (F8)
_ Iron -Manganese Masses (F12) (LRR N,
MLRA 136)
_ Umbric Surface (F13) (MLRA 122, 136)
_ Piedmont Floodplain Soils (F19) (MLRA 148)
Red Parent Material (F21) (MLRA 127, 1479 148)
2Location: PL=Pore Lining, M=Matrix
Indicators for Problematic Hydric Soils3:
_ 2 cm Muck (A10) (MLRA 147)
—Coast Prairie Redox (A16)
(MLRA 147, 148)
Piedmont Floodplain Soils (F19)
(MLRA 136, 147)
_ Red Parent Material (F21)
(outside MLRA 127, 147, 148)
—Very Shallow Dark Surface (F22)
Other (Explain in Remarks)
31ndicators of hydrophytic vegetation and
wetland hydrology must be present,
unless disturbed or problematic.
Hydric Soil Present? Yes X No
ENG FORM 6116-4-SG, JUL 2018 Eastern Mountains and Piedmont — Version 2.0

U.S. Army Corps of Engineers OMB Control #: 0710-xxxx, Exp: Pending
WETLAND DETERMINATION DATA SHEET — Eastern Mountains and Piedmont Region Requirement Control Symbol EXEMPT.•
See ERDC/EL TR-07-24; the proponent agency is CECW-CO-R (Authority: AR 335-15, paragraph 5-2a)
Project/Site: 10 Davis Drive City/County: Durham/ Durham Sampling Date: 12/28/2020
Applicant/Owner: Alexandria Real Estate State: NC Sampling Point: UP DP#3
Investigator(s): Jennifer Burdette (McAdams) Section, Township, Range: N/A
Landform (hillside, terrace, etc.): swale Local relief (concave, convex, none): convex Slope (%): 0-2
Subregion (LRR or MLRA): LRR P, MLRA 136 Lat: 35.897928 Long:-78.865457 Datum: NAD83
Soil Map Unit Name: Cartecay and Chewacla soils, 0 to 2 percent slopes, frequently fooded NWI classification: N/A
Are climatic / hydrologic conditions on the site typical for this time of year? Yes X No (If no, explain in Remarks.)
Are Vegetation Soil or Hydrology significantly disturbed? Are "Normal Circumstances" present? Yes X No
Are Vegetation Soil or Hydrology naturally problematic? (If needed, explain any answers in Remarks.)
SUMMARY OF FINDINGS —Attach site map showing sampling point locations, transects, important features, etc.
Hydrophytic Vegetation Present? Yes X No Is the Sampled Area
Hydric Soil Present? Yes X No within a Wetland? Yes No X
Wetland Hydrology Present? Yes No X
Remarks:
HYDROLOGY
Wetland Hydrology Indicators:
Secondary Indicators (minimum of two required)
Primary Indicators (minimum of one is required: check all that apply)
—Surface Soil Cracks (136)
_Surface Water (Al) _True
Aquatic Plants (1314)
_Sparsely Vegetated Concave Surface (138)
_ High Water Table (A2) —Hydrogen
Sulfide Odor (Cl)
—Drainage Patterns (1310)
—Saturation (A3) —Oxidized
Rhizospheres on Living Roots (C3)
—Moss Trim Lines (1316)
—Water Marks (131) —Presence
of Reduced Iron (C4)
_ Dry -Season Water Table (C2)
—Sediment Deposits (132) —Recent
Iron Reduction in Tilled Soils (C6)
—Crayfish Burrows (C8)
_ Drift Deposits (133) _Thin
Muck Surface (C7)
—Saturation Visible on Aerial Imagery (C9)
_Algal Mat or Crust (134) —Other
(Explain in Remarks)
_ Stunted or Stressed Plants (D1)
_ Iron Deposits (135)
_ Geomorphic Position (D2)
_ Inundation Visible on Aerial Imagery (137)
—Shallow Aquitard (D3)
—Water-Stained Leaves (139)
_ Microtopographic Relief (D4)
Aquatic Fauna (1313)
FAC-Neutral Test (D5)
Field Observations:
Surface Water Present? Yes No
X Depth (inches):
Water Table Present? Yes No
X Depth (inches):
Saturation Present? Yes No
X Depth (inches):
Wetland Hydrology Present? Yes No X
includes capillary fringe)
Describe Recorded Data (stream gauge, monitoring well, aerial photos, previous inspections), if available:
Remarks:

VEGETATION (Four Strata) - Use scientific names of plants.
Sampling Point: UP DP#3
HDsoiute uominant
inaicator
Tree Stratum (Plot size: 30' )
% Cover Species?
Status
Dominance Test worksheet:
1. Pinus taeda
80 Yes
FAC
Number of Dominant Species
2. Acerrubrum
30 Yes
FAC
That Are OBL, FACW, or FAC: 3 (A)
3. Juniperus virginiana
20 No
FACU
Total Number of Dominant
4.
Species Across All Strata: 4 (B)
5.
Percent of Dominant Species
6.
That Are OBL, FACW, or FAC: 75.0% (A/B)
7.
Prevalence Index worksheet:
130 =Total Cover
Total % Cover of: Multiply by:
50% of total cover:
65 20% of total cover:
26
OBL species x 1 =
Sapling/Shrub Stratum (Plot size: 15,
)
FACW species x 2 =
1. Carpinus caroliniana
15 Yes
FAC
FAC species x 3 =
2. Quercus alba
5 Yes
FACU
FACU species x 4 =
3. Carya glabra
2 No
FACU
UPL species x 5 =
4.
Column Totals: (A) (B)
5.
Prevalence Index = B/A =
6.
Hydrophytic Vegetation Indicators:
7.
1 - Rapid Test for Hydrophytic Vegetation
8.
X 2 - Dominance Test is >50%
9.
3 - Prevalence Index is <-3.0'
22 =Total Cover
4 - Morphological Adaptations' (Provide supporting
50% of total cover:
11 20% of total cover:
5
data in Remarks or on a separate sheet)
Herb Stratum (Plot size: 5' )
Problematic Hydrophytic Vegetation' (Explain)
1.
FACU
'Indicators of hydric soil and wetland hydrology must be
2.
present, unless disturbed or problematic.
Definitions of Four Vegetation Strata:
3.
4.
Tree - Woody plants, excluding vines, 3 in. (7.6 cm) or
5.
more in diameter at breast height (DBH), regardless of
6.
height.
7.
Sapling/Shrub - Woody plants, excluding vines, less
8.
than 3 in. DBH and greater than or equal to 3.28 ft
9.
(1 m) tall.
10.
Herb - All herbaceous (non -woody) plants, regardless
11.
of size, and woody plants less than 3.28 ft tall.
=Total Cover
Woody Vine - All woody vines greater than 3.28 ft in
50% of total cover:
20% of total cover:
height.
Woody Vine Stratum (Plot size: 15, )
1.
2.
3.
4.
5.
Hydrophytic
=Total Cover
Vegetation
50% of total cover:
20% of total cover:
Present? Yes X No
Remarks: (Include photo numbers here or on a separate sheet.)

SOIL Sampling Point: UP DP#3
Profile Description: (Describe to the depth needed to document the indicator or confirm the absence of indicators.)
Depth
Matrix
Redox Features
(inches)
Color (moist) %
Color (moist) % Type' Locz Texture
Remarks
0-1
7.5YR 2.5/3 100
Loamy/Clayey
Silty clay
1-4
7.5YR 4/6 100
Loamy/Clayey
Silty clay
4-16
7.5YR 4/4 100
Loamy/Clayey
Silty clay
'Type: C=Concentration, D=Depletion,
Hydric Soil Indicators:
_ Histosol (Al)
_ Histic Epipedon (A2)
_ Black Histic (A3)
_ Hydrogen Sulfide (A4)
_ Stratified Layers (A5)
_ 2 cm Muck (A10) (LRR N)
_ Depleted Below Dark Surface (A11)
—Thick Dark Surface (Al 2)
—Sandy Mucky Mineral (S1)
_ Sandy Gleyed Matrix (S4)
—Sandy Redox (S5)
_ Stripped Matrix (S6)
Dark Surface (S7)
Restrictive Layer (if observed):
Type:
Depth (inches):
Remarks:
RM=Reduced Matrix. MS=Masked Sand Grains.
_ Polyvalue Below Surface (S8) (MLRA 147, 148)
—Thin Dark Surface (S9) (MLRA 147, 148)
_ Loamy Mucky Mineral (F1) (MLRA 136)
_ Loamy Gleyed Matrix (F2)
_ Depleted Matrix (F3)
_ Redox Dark Surface (F6)
_ Depleted Dark Surface (F7)
_ Redox Depressions (F8)
_ Iron -Manganese Masses (F12) (LRR N,
MLRA 136)
_ Umbric Surface (F13) (MLRA 122, 136)
_ Piedmont Floodplain Soils (F19) (MLRA 148)
Red Parent Material (F21) (MLRA 127, 1479 148)
2Location: PL=Pore Lining, M=Matrix
Indicators for Problematic Hydric Soils3:
_ 2 cm Muck (A10) (MLRA 147)
—Coast Prairie Redox (A16)
(MLRA 147, 148)
Piedmont Floodplain Soils (F19)
(MLRA 136, 147)
_ Red Parent Material (F21)
(outside MLRA 127, 147, 148)
—Very Shallow Dark Surface (F22)
Other (Explain in Remarks)
31ndicators of hydrophytic vegetation and
wetland hydrology must be present,
unless disturbed or problematic.
Hydric Soil Present? Yes No X
ENG FORM 6116-4-SG, JUL 2018 Eastern Mountains and Piedmont — Version 2.0

Burdette, Jennifer
From: Eason, James
Sent: Tuesday, January 19, 2021 12:02 PM
To: Burdette, Jennifer
Subject: RE: Blasting example
The 10 Davis project is proposing to develop +/- 20 acres of an existing mixed industrial use site to construct a new
200,000 GSF manufacturing facility along with adjacent parking and hardscape improvements. As part of the project and
overall stormwater master planning for the site, 2 existing stormwater control measures (SCM) will be expanded and
lowered while an additional SCM will be added onsite. Due to the location and depth of these SCMs rock removal will be
required. It is anticipated that percussive activities such as jack hammering and blasting will be performed for an
estimated period of a month. No percussive activities are anticipated for building construction.
James L. Eason Jr., PE I Sr. Project Manager, Education + Healthcare
McAdams
2905 Meridian Parkway, Durham, NC 27713
office 919. 361. 5000 x274 I direct 919. 287. 0868 1 mobile [phone] [e-mail]
www.mcadamsco.com I linkedin I twitter I instagram I join our team
!T MCA DAMS
creating experiences -ough experience
From: Burdette, Jennifer <[e-mail]>
Sent: Tuesday, January 19, 2021 11:45 AM
To: Eason, James <[e-mail]>
Subject: Blasting example
Jennifer Burdette I Sr. Environmental Consultant, Water Resources
McAdams
2905 Meridian Parkway, Durham, NC 27713
office 919. 361. 5000 x137 I direct 919.287.0743 1 cell 919.422.3605 1 [e-mail]
www.mcadamsco.com I linkedin I twitter I instagram I join our team
0 IiDI
creating experiences through experience

QPQ��ENT Op Ty�,y
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9
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United States Department of the
Project Name
FISH AND WILDLIFE SERVICE
Raleigh Field Office
P.O. Box 33726
Raleigh, NC 27636-3726
Date: 1/18/21
Self -Certification Letter
10 Davis Drive
Dear Applicant:
Flat a wn LIFB
SEHV ICIi
Interior
Thank you for using the U.S. Fish and Wildlife Service (Service) Raleigh Ecological
Services online project review process. By printing this letter in conjunction with your
project review package, you are certifying that you have completed the online project
review process for the project named above in accordance with all instructions
provided, using the best available information to reach your conclusions. This letter,
and the enclosed project review package, completes the review of your project in
accordance with the Endangered Species Act of 1973 (16 U.S.C. 1531-1544, 87 Stat.
884), as amended (ESA), and the Bald and Golden Eagle Protection Act (16 U.S.C.
668-668c, 54 Stat. 250), as amended (Eagle Act). This letter also provides
information for your project review under the National Environmental Policy Act of
1969 (P.L. 91-190, 42 U.S.C. 4321-4347, 83 Stat. 852), as amended. A copy of this
letter and the project review package must be submitted to this office for this
certification to be valid. This letter and the project review package will be maintained
in our records.
The species conclusions table in the enclosed project review package summarizes
your ESA and Eagle Act conclusions. Based on your analysis, mark all the
determinations that apply:
"no effect" determinations for proposed/listed species and/or
Vol proposed/designated critical habitat; and/or
❑ "may affect, not likely to adversely affect" determinations for proposed/listed
species and/or proposed/designated critical habitat; and/or
❑ "may affect, likely to adversely affect" determination for the Northern long-
eared bat (Myotis septentrionalis) and relying on the findings of the January 5,
2016, Programmatic Biological Opinion for the Final 4(d) Rule on the
Northern long-eared bat;
❑ "no Eagle Act permit required" determinations for eagles.

Applicant Page 2
We certify that use of the online project review process in strict accordance with the
instructions provided as documented in the enclosed project review package results in
reaching the appropriate determinations. Therefore, we concur with the "no effect" or
"not likely to adversely affect" determinations for proposed and listed species and
proposed and designated critical habitat; the "may affect" determination for Northern
long-eared bat; and/or the "no Eagle Act permit required" determinations for eagles.
Additional coordination with this office is not needed. Candidate species are not
legally protected pursuant to the ESA. However, the Service encourages consideration
of these species by avoiding adverse impacts to them. Please contact this office for
additional coordination if your project action area contains candidate species.
Should project plans change or if additional information on the distribution of
proposed or listed species, proposed or designated critical habitat, or bald eagles
becomes available, this determination may be reconsidered. This certification letter is
valid for 1 year. Information about the online project review process including
instructions, species information, and other information regarding project reviews
within North Carolina is available at our website http://www.fws.gov/raleigh/pp.html.
If you have any questions, you can write to us at Raleigh(a�,fws.gov or please contact
Leigh Mann of this office at 919-856-4520, ext. 10.
Sincerely,
/s/Pete Benjamin
Pete Benjamin
Field Supervisor
Raleigh Ecological Services
Enclosures - project review package

Species Conclusions Table
Project Name: 10 Davis Drive
Date: 1/18/2021
/ Resource Name
Conclusion
ESA Section 7 / Eagle Act Determination
Notes / Documentation
-Species
Atlantic Pigtoe
Suitable habitat present
May affect, not likely to adversely affect
Habitat assessment conducted 12/28/2020
Fusconaia masoni
indicates suboptimal habitat present
Michaux's Sumac
Suitable habitat present,
May affect, not likely to adversely affect
12/28/2020 survey by McAdams consultant
Rhus michauxii
species not present
indicates absence
Smooth Coneflower
Suitable habitat present,
May affect, not likely to adversely affect
12/28/2020 survey by McAdams consultant
Echinacea laevigata
species not present
indicates absence
Northern Long-eared Bat
Suitable habitat present
No effect
NLEB not listed for Durham County
Myotis septentrionalis
Bald Eagle
Unlikely to disturb nesting
No Eagle Act permit required
No known nest within 660' of project area
Haliaeetus leucocephalus
bald eagles
Critical Habitat
No critical habitat present
No effect
Acknowledgement: I agree that the above information about my proposed project is true. I used all of the provided resources to make an
informed decision about impacts in the immediate and surrounding areas.
1 / 18/2021
Signatui e /Title Date

Burdette, Jennifer
From: Raleigh, FW4 <[e-mail]>
Sent: Monday, January 18, 2021 11:56 AM
To: Burdette, Jennifer
Subject: Automatic reply: [EXTERNAL] Online Project Review Certification Letter
Thank you for submitting your online project package. We will review your package within 30 days of
receipt. If you have submitted an online project review request letter, expect our response within 30
days. If you have submitted an online project review certification letter, you will typically not receive a
response from us since the certification letter is our official response. However, if we have additional
questions or we do not concur with your determinations, we will contact you during the review period.

Burdette, Jennifer
From: [e-mail]
Sent: Thursday, October 1, 2020 1:07 PM
To: Burdette, Jennifer
Subject: Pre -Filing Meeting Request Acknowledgement - 10 Davis - 20201321 Ver 1
Attachments: DWR Pre -Filing Meeting Request Form.pdf
The North Carolina Division of Water Resources has received the Pre -Filing Meeting Request Form for 10 Davis that you submitted on
9/29/2020. The ID numberforthat project is 20201321, Version 1.
Reviewer Contact Information:
Reviewer: Rick Trone
Email: [e-mail]
Reviewing Office: Central Office - [phone]
You will either be contacted by staff to set up a meeting or notified by email that the 30 calendar day clock has been reached and you
are allowed to submit your application.
This email was automatically generated by Laserfiche workflow. Please do not respond to this email address, as responses are not
monitored.

D# * 20201321
Version* 1
Regional Office * Central Office - [phone]
Reviewer List* Rick Trone
Pre -Filing Meeting Request submitted 9/29/2020
Contact Name* Jennifer Burdette
Contact Email Address* [e-mail]
Project Name* 10 Davis
Project Owner* Alexandria Real Estate Equities, Inc.
Project County* Durham
Owner Address: Street Address
2905 Meridian Parkway
Address Line 2
aty State / Province / Pegion
Durham North Carolina
Postal / Zip axle Country
27713 United States
Is this a transportation project?* 0 Yes r No
Type(s) of approval sought from the DWR:
* 401 Water Quality Certification - F 401 Water Quality Certification -
Regular Express
* Individual Permit F Modification
F Shoreline Stabilization
Does this project have an existing project ID#?*
C Yes (-- No
Do you know the name of the staff member you would like to request a meeting with?
Stephanie Goss
Please give a brief project description below.*
A new laboratory and bio-man ufactu ring building are proposed for this
approximately 9-acre site.
Please give a couple of dates you are available for a meeting.

10/21 /2020
10/22/2020
Please attach the documentation you would like to have the meeting about.
1.02 ARE20000-USGS MAP.pdf 2.17MB
pdf only
By digitally signing below, I certify that I have read and understood that per the Federal Clean Water Act Section
401 Certification Rule the following statements:
This form completes the requirement of the Pre -Filing Meeting Request in the Clean Water Act Section 401 Certification
Rule.
1 understand by signing this form that I cannot submit my application until 30 calendar days after this pre -filing
meeting request.
1 also understand that DWR is not required to respond or grant the meeting request.
Your project's thirty -day clock started upon receipt of this application. You will receive notification regarding meeting location
and time if a meeting is necessary. You will receive notification when the thirty -day clock has expired, and you can submit an
application.
Signature
Submittal Date 9/29/2020