20160177 Ver 2_Riparian Buffer Authorization_20160809

SEPI
E N G IN E E R ING &
C O N S T R U C T I O N
LETTER OF TRANSMITTAL
1025 WADE AVE
RALEIGH, NC 27605
TEL [phone]
FAX [phone]
Date:
August 9, 2016
Sent via:
Hand delivery
To:
NC Division of Water Resources
Attn: Ms. Karen Higgins
401 & Buffer Permitting Unit
512 N. Salisbury Street
Raleigh, NC 27604
SEPI Project:
SC15.010.00
Phase/
900/001
Task #:
Subject:
Bldg 110 NZE North Warehouse and Distribution Center PJD
CC:
Note:
AUG 092016
Received by: Date:

Celebrating 15 Years
SEPI
ENGINEERING IL
C O N S T R U C T I O N
August 9, 2016
NC Division of Water Resources
Attn: Ms. Karen Higgins
401 & Buffer Permitting Unit
512 N. Salisbury Street
Raleigh, NC 27604
Re: Bldg 110 NZE North Warehouse and Distribution Center;
Buffer Authorization Permit Modification
SEPI Project: SC15.10.00
Dear Ms. Higgins,
On behalf of the US Department of Health and Human Services (DHHS) National
Institute of Environmental Health Sciences (NIEHS) National Institutes of Health (NIH),
SEPI Engineering (SEPI) submits this Buffer Authorization permit modification and
supplemental information requesting written concurrence from the NC Division of
Water Resources (DWR) that the activities proposed below may proceed under the
Riparian Buffer Rules for Jordan Lake. Provided below is a brief discussion of the project
intended to supplement the attached Riparian Buffer Authorization Form.
Project Summary and Purpose
DHHS intends to construct a warehouse and distribution Center at 111 T.W. Alexander
Drive in Research Triangle Park, NC. The warehouse will be located at in the northern
section of the property which is bordered by TW Alexander to the west, The Triangle
Expressway to the east, and the abandoned Durham Freeway to the north. The subject
property is located in Research Triangle Park, North Carolina. The proposed project also
includes a loading dock area, an access control point with a guardhouse, associated
parking, stormwater control devices, and a utility corridor.
The project site was previously used by NIH and contained several temporary structures
(trailers) which are no longer on the site. The trailers were accessed by a paved
driveway and a concrete parking area which are still in place. The proposed facility will
be placed on and adjacent to the existing impervious footprint.
Proiect History
A 401 & Buffer Compliance permit was issued on March 7, 2016 (DWR #16-0177) for 90
linear feet (LF) of temporary stream impact, 5,390 square feet (sf) of permanent zone 1
buffer impacts ,and 1,202 sf of permanent zone 2 buffer impacts for a utility crossing.
Mitigation was not required as impacts were either temporary in nature or exempt or
allowable according to the table of uses.
A 404 permit for 90 LF of temporary stream impacts was submitted to the US Army
Corps of Engineers (USACE) on February 24, 2016. As of the date of this letter, no
approved permit has been received.
1025 Wade Avenue I Raleigh, NC 127605 1 Phone: [phone] Fax: [phone]
sepiengineering.com I @SEPlengineers

SEPI
A design change was requested in the location of the proposed utility corridor. Instead
of connecting to an existing corridor along T.W. Alexander Dr., the proposed utility
corridor will follow an existing sewerline corridor south of the main parcel. Previously
permitted impacts were not constructed and are no longer proposed in this new utility
corridor alignment.
Project Impacts and Mitigation
The project construction requires temporary impacts to state regulated riparian
buffers (Zone 2 only). The proposed utility corridor will contain multiple utilities and
will be placed within and immediately adjacent to an existing utility corridor in an
effort to minimize impacts to the buffers. No stream impacts are proposed in the new
utility corridor, and the previously permitted stream impacts are no longer being
proposed. No riparian buffer mitigation is proposed since all buffer impacts are
considered "allowable" within the table of uses and the impacts will occur in an
existing sewerline easement with maintained herbaceous cover.
PROJECT SUMMARY
Project Name
Bldg 110 NZE North Warehouse and
Distribution Center
Project Type
Industrial
Owner / Applicant
National Institutes of Health
County
Durham
Nearest Town
Research Triangle Park
Waterbody Name
Burdens Creek & UT to Burdens Creek
Index Number
16-41-1-17-1-(0.3)
Class
WS -V; NSW
USGS Cataloging Unit
03030002
IMPACT SUMMARY
Total Stream Impact linear feet):
0
Stream Impact (acres):
0
Wetland Impact (acres):
0
Oen Water Impact (acres):
0
Total Impact to Waters of the U.S. acres
0
Riparian Buffer Zone 1 Impacts
0
Riparian Buffer Zone 2 Impacts
1,292 square feet (temporary)
Avoidance and Minimization
Multiple utilities are being placed within the proposed corridor along an existing
sanitary sewer corridor to reduce impacts to riparian buffers and stream crossings.
Trenchless installation will be implemented to eliminate impacts to streams and
reduce impacts to riparian buffers. The utility corridor will be 10 feet wide or less
throughout the project. The previously permitted corridor temporarily impacted 90 LF
of stream. Wetland areas on the property are being completely avoided with impacts.
No permanent impacts to streams or wetlands are proposed.
2

SEPI
If you have any questions, please call me at [phone].
Sincerely,
SEPI Engineering & Construction
��orn2G�
Kim Hamlin
Environmental Project Scientist
Attachments:
Riparian Buffer Authorization Form
Agent Authorization Form
USGS Topographic Quad Map
Durham County Soil Survey Map
Overall Impact Map/Impact Map Details
Buffer Determination Letter (JBRRO #16-241)
Section 401 and Riparian Buffer Approval (DWR # 16-0177)
Durham County Stormwater Plan Approval (#SW -1601)

State of North Carolina
PRN��r� Department of Environment and Natural Resources
Division of Water Resources Division of Water Resources
15A NCAC 02B.0233 (8)(b),.0243 (8)(b),.0250 (11)(b),.0259 (8)(b),.0267 (11)(c),.0607 (e)(2) - Buffer Authorization
FORM: BA 10-2013
Riparian Buffer Authorization Form I
A. Applicant Information (du
1. Project Information
1a. Name of project: Bldg 110 NZE North Warehouse and Distribution
1 b. County: Durham
1c. Nearest municipality: Research Triangle Park
1d. Subdivision name: N/A
1e. Is the project located in any of North Carolina's
twenty coastal counties. If yes, answer 1f below.
El Yes No
®
1f. Is the project located within a NC Division of Coastal
Management Area of Environmental Concern (AEC)?
❑ Yes ® No
2. Owner Information
2a. Name on Recorded Deed:
US Government - Army Corps of Engineers
2b. Deed Book and Page No.
DB: 336 DP: 300
2c. Map Book and Page No.
(include a copy of the recorded
map that indicates when the lot
was created):
PB: 57 PP 92
2d. Responsible Party
(for Corporations):
James Victor Stancil III, P.E. c/o US Government - Department of Health and
Human Services
2e. Street address:
111 T.W. Alexander Drive
2f. City, state, zip:
Research Triangle Park, NC 27709
2g. Telephone no.:
919-541-2597
2h. Fax no.:
2i. Email address:
[e-mail]
3. Applicant Information (if different from owner)
3a. Applicant is: ❑ Agent ❑ Other, specify:
3b. Name:
3c. Business name
(if applicable):
3d. Street address:
3e. City, state, zip:
3f. Telephone no.:
3g. Fax no.:
3h. Email address
4. Agent/Consultant Information (if applicable) D -WAT
4a. Name:
Kim Hamlin FFER PER ITTtNG
SEPI Engineering & Construction
4b. Business name
(if applicable):
4c. Street address:
1025 Wade Ave
4d. City, state, zip:
Raleigh, NC 27605
4e. Telephone no.:
919-747-5834
4f. Fax no.:
919-789-9591
4g. Email address:
[e-mail]
FORM: BA 10-2013 Page 1 of 6

B. Project Information and Prior Project History
1. Property Identification
1a. Property identification no. (tax PIN or parcel ID).
178490
1 b. Site coordinates (in decimal degrees):
Latitude: 35.8929
Longitude: - 78.6184
1c. Property size:
40.7 acres
2. Surface'Waters
2a. Name of nearest body of water to proposed project:
Burden's Creek
2b. Water Quality Classification of nearest receiving water:
WS -V; NSW
2c. River basin:
Cape Fear River Basin (HUC 0303002)
3. Project Description
3a. 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 project area is partially forested, vacant land with the exception of an approximate 4 acre cleared area in the
center which in the past contained research trailers and associated parking but is now vacant. The general
topography of the site is mildly steep, with elevations ranging from approximately 300' to 260' above mean sea
level. Burdens Creek borders the southern property boundary of the main parcel and flows from east to west. An
unnamed tributary to Burdens Creek flows south to north adjacent to an existing sewerline corridor. There are
several wetlands in the floodplain on the north side of Burden's Creek in the main parcel. Land use in the vicinity
of the project consists of industrial and commercial development.
3b. Attach an 8'/ x 11 excerpt from the most recent version of the USGS topographic map indicating the location of
the site
3c. Attach an 8'/2 x 11 excerpt from the most recent version of the published County NRCS Soil Survey Map
depicting the project site
3d. List the total estimated linear feet of all existing streams (intermittent and perennial) on the property:
1.050 linear feet
3e. Explain the purpose of the proposed project:
The purpose of the project is to construct a redevelopment net zero energy warehouse and distribution center.
3f. Describe the overall project in detail, including the type of equipment to be used:
The Construction of the warehouse facility and associated utilities will require the use of heavy machinery typically
used for grading and site construction. Trenchless installation of utility conduit will be used to eliminate or reduce
impacts to streams and riparian buffers.
4. Jurisdictional Determinations
4a. Have jurisdictional wetland or stream determinations by the
® Yes ❑ No ❑ Unknown
Corps or State been requested or obtained for this property/
Comments: A delineation was completed by
project (including all prior phases) in the past?
Mulkey Engineering and approved by the
- - - -
USACE; however, a copy of the JD map or
�, ' , r' ` , '`'•' ; i i,i�, ,
Action ID # was not provided to SEPI. SEPI
i+
delineated/submitted PJD request of main
parcel in February 2016. SEPI delineated the
'? z •• ja 1' ,
new proposed utility corridor in June 2016.
4b. If yes, who delineated the jurisdictional areas?
Agency/ Consultant Company:
Name (if know): =;' -^+;. +r'
Other:
4c. If yes, list=the'•dates'of:iRi -Corps jurisdictional determinations or State determinations and attach documentation.
Section 401 permit/buffer authorization was issued March 7, 2016 (DWR # 16-0177) for previously proposed
impacts to streams and riparian buffers.
FORM: BA 10-2013 Page 2 of 6

B. Project Information and Prior Project History
5. Project History
5a. Have permits or certifications been requested or obtained for this
® Yes ❑ No ❑ Unknown
project (including all prior phases) in the past?
5b. If yes, explain and detail according to "help file" instructions.
Section 401 permit/buffer authorization was issued March 7, 2016 (DWR # 16-0177) for previously proposed -
impacts. A section 404 permit application was submitted on February 24, 2016. These impacts were never
completed and are no longer proposed. A Durham County Stormwater Plan was approved on March 10, 2016
(Durham Co. Stormwater Project #SW -1601).
6. Future Project Plans
6a. Is this a phased project?
❑ Yes ® No
6b. If yes, explain.
FORM: SSGP3080 8-13 Page 3 of 6

C. Proposed Impacts Inventory
1. Buffer Impacts
1a. Project is in which protected basin?
❑ Neuse
❑ Tar -Pamlico ❑ Catawba
❑ Randleman ® Jordan ❑ Goose Creek
1b. Individually list all buffer impacts below. If any impacts require mitigation, then you MIUST fill out Section D of this
form.
Buffer impact
Reason for
Type of impact
Stream name
Buffer
Zone 1
Zone 2
number—
impact
(exempt, allowable,
mitigation
impact
impact
Permanent (P)
allowable w/ mitigation)
required?
(sq ft)
(sq ft)
or Temporary T
B1 ❑ P ® T
Utility
Allowable
UT to Burden's
❑ Yes ® No
0
1,292
Creek (Stream
2)
B2 ❑ P ❑ T
❑ Yes ❑ No
B3 ❑ P ❑ T
❑ Yes [:]No
B4 ❑ P ❑ T
❑ Yes ❑ No
B5 ❑ P [-IT
❑ Yes ❑ No
B6 ❑ P ❑ T
❑ Yes ❑ No
Total buffer impacts
0
1,292
1c. Comments: 1,292 square feet of temporary parallel zone 2 buffer impacts to install conduit for utilities.
Construction area will be 10 feet wide or less and occurs
within existing maintained sewerline easement with
herbaceous cover.
D. Impact Justification and Mitigation
1. Avoidance and Minimization
1a. Specifically describe measures taken to avoid or minimize the proposed impacts in designing project.
Multiple utilities are being placed within the proposed corridor along an existing sanitary sewer corridor that is
regularly maintained to reduce impacts to riparian buffers and streams. Trenchless installation will be
implemented to eliminate impacts to streams and reduce impacts to riparian buffers where possible. The utility
corridor will be 10 feet wide or less throughout the project. The previously permitted corridor temporarily impacted
90 LF of stream, 5,390 square feet (so of zone 1 buffer, and 1,202 sf of zone 2 buffer. These impacts are no
longer proposed. No permanent impacts to streams or riparian buffers are proposed
1 b. Specifically describe measures taken to avoid or minimize the proposed impacts through construction techniques.
Sediment and erosion control measures will be utilized near streams and wetlands to prevent sediment from
entering. Installation can occur without requiring the crossing of heavy machinery over the jurisdictional streams.
FORM: BA 10-2013 Page 4 of 6

C. Impact Justification and Mitigation, continued
2. Buffer Mitigation
2a. Will the project result in an impact within a protected riparian buffer that requires buffer
mitigation?
❑ Yes ® No
2b. If yes, then identify the square feet of impact to each zone of the riparian buffer that requires mitigation and
calculate the amount of mitigation required in the table below.
Zone Reason for impact Total impact Multiplier Required mitigation
(square feet s uare feet
Zone 1 3 (2 for Catawba)
Zone 2 1.5
Total buffer mitigation required:
2c. If buffer mitigation is required, is payment to a
mitigation bank or NC EEP proposed?
❑ Yes ❑ No
2d. If yes, attach the acceptance letter from the mitigation bank or NC EEP
2e. If no, then discuss what type of mitigation is proposed.
2f. Comments: Buffer mitigation is not proposed because the parallel zone 2 impacts will occur in the existing
sewedine easement which is regularly maintained as herbaceous cover.
FORM: SSGP3080 8-13 Page 5 of 6

E. Diffuse Flow Plan
All buffer impacts and high ground Impacts require diffuse flow or other form of
❑ Diffuse flow
stormwater treatment. Include a plan that fully documents how diffuse flow will be
BMP
maintained. If a Level Spreader is proposed, attach a Level Spreader Supplement Form.
maintained.
1 a. Does the project involve an expenditure of public (federal/state/local) funds or the use of
If due to site constraints, a BMP other than a level spreader is proposed, please provide a
plan for stormwater treatment as outlined in Chapter 8 of the NC Stormwater BMP
Manual and attach a BMP Supplement Form.
❑ Yes ® No
F.
Supplementary Information
1.
Environmental Documentation
1 a. Does the project involve an expenditure of public (federal/state/local) funds or the use of
® Yes ❑ No
public (federal/state) land?
1 b. If you answered "yes" to the above, does the project require preparation of an
❑ Yes ® No
environmental document pursuant to the requirements of the National or State (North
Carolina) Environmental Policy Act (NEPA/SEPA)?
1 c.
If you answered "yes" to the above, has the document been finalized by the State
❑ Yes ❑ No
Clearing House? (If so, attach a copy of the NEPA or SEPA final approval letter.)
Comments:
2.
Violations
2a.
Is the site in violation of DWR Wetland Rules (15A NCAC 02H .0500), Isolated Wetland
❑ Yes ® No
Rules (15A NCAC 02H .1300), DWR Surface Water or Wetland Standards, or Riparian
Buffer Rules (15A NCAC 02B .0200)?
2b.
Is this an after -the -fact permit application?
❑ Yes ® No
2c.
If you answered "yes" to one or both of the above questions, provide an explanation of the violation(s):
Kim Hamlin 07/21/2016
Applicant/Agent's Printed Name Applicant/Agent's Signature Date
(Agent's signature is valid only if an authorization letter from the applicant is provided )
Send this completed form and accompanying documents to the following:
For government transportation projects sent
by First Class Mail via the US Postal Service.
NC DWR, Transportation Permitting Unit
1650 Mail Service Center
Raleigh, NC 27699 - 1650
For all other projects sent by First Class Mail
via the US Postal Service
Karen Higgins
NCDWR — 401 & Buffer Permitting Unit
1650 Mail Service Center
Raleigh, NC 27699 - 1650
For government transportation projects sent
by delivery service (UPS, FedEx, etc):
OR NC DWR, Transportation Permitting Unit
512 N. Salisbury Street
Raleigh, NC 27604
For all other projects sent by delivery service
(UPS, FedEx, etc):
OR Karen Higgins
NCDWR — 401 & Buffer Permitting Unit
512 N. Salisbury Street
Raleigh, NC 27604
FORM: BA 10-2013 Page 6 of 6

Celebrating 15 Years
SEPI
ENGINEERING 6
co N S T RU C T I O N
AGENT AUTHORIZATION FORM
All Blanks to Be Filled in By the Current Landowner or Municipal Official
Name: US Government — Department of Health and Human Services
Address: USACE - 11405 Falls of the Neuse Rd., Wake Forest, NC 27587
NIH - l 11 T.W. Alexander Drive, Research Triangle Park, NC 27709
Phone: [phone]
Project Name/Description: Bldg 110 NZE North Warehouse and Distribution Cntr
SEPI Project # SC15.010.00
Date:
NC Department of Environmental Quality
NC Division of Water Resources
401 & Buffer Permitting Unit
1650 Mail Service Center
Raleigh, NC 27699-1650
Attn: Karen Higgins
Re: Riparian Buffer Related Consulting and Permitting
To Whom It May Concern:
I, the current landowner or municipal official, hereby designate and authorize SEPI
Engineering & Construction, Inc. to act in my behalf as my agent in the processing of
permit applications, to furnish upon request supplemental information in support of
applications, etc. from this day forward.
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 SEPI staff.
You should call SEPI to arrange a prior to visiting the site.
BY: U''r S u BY:
Print Name of Landowner or Sign re of Landowner or Municipal
Municipal Official's Name Official
1025 Wade Avenue I Raleigh, NC 127605 1 Phone: [phone] Fax: [phone]
sepiengineering.com I @SEPlengineers

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SEPI Project # SC15.010.00
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Water Resources
ENVIRONMENTAL QUALITY
July 29, 2016
US Department of Health and
Human Services
Attn: James Victor Stancil
111 T.W. Alexander Dr.
Research Triangle Park, NC 27709
PAT MCCRORY
Governor
DONALD R. VAN DER VAART
Secretary
S. JAY ZIMMERMAN
Director
Subject: Buffer Determination Letter
JBRRO #16-241
Durham County
Determination Type:
Buffer
Intermittent/Perennial
❑ Neuse (15A NCAC 26 .0233)
Start@
E] Tar -Pamlico (15A NCAC 213.0259)
®IntermittenUPerennial Determination (where local buffer
USGS
ordinances apply)
® Jordan (15A NCAC 2B.0267)
(governmental and/or intedurisdictional
projects)
Surve
Project Name:
Address/Location:
Stream(s):
NIEHS Warehouse
109 T.W. Alexander Dr.; Morrisville
Burden's Creek
Determination Date: July 28, 2016 Staff: Cherri Smith
Stream
E/I/P*
Not Subject
Subject
Start@
Stop@
Soil
USGS
Surve
To o
I
P
X— throughout
X
X
project area
2
P
X— throughout
X
X
project area
3
E
X — within
X
project area
4
X — not
X
resent
5
X — not
X
resent
6
X — not on
maps
•E11/P = EphemeraUlntermittent/Perennia!
Division of Water Resources, Raleigh Regional Office, Water Quality Operations Section http://ponal.ncdenr.org/web/wq/aps
1628 Mail Service Center, Raleigh, NC 27699-1628 Phone: [phone]
Location: 3800 Barrett Drive, Raleigh. NC 27609 Fax: [phone]

NIEHS Warehouse
Durham County
July 29, 2016
Page 2 of 2
Explanation: The stream(s) listed above has been located on the most recent published NRCS Soil Survey of
Durham County, North Carolina and/or the most recent copy of the USGS Topographic map at a 1: 24,000 scale.
Each stream that is checked "Not Subject" has been determined to not be at least intermittent or is not present.
Streams that are checked "Subject" have been located on the property and possess characteristics that qualify it to be
at least an intermittent stream. There may be other streams located on the property that do not show up on the maps
referenced above but may be considered jurisdictional according to the US Army Corps of Engineers.
This on-site determination shall expire rive (5) years from the date of this letter. Landowners or affected
parties that dispute a determination made by the DWR may request a determination by the Director. An
appeal request must be made within sixty (60) days of date of this letter. A request for a determination by the
Director shall be referred to the Director in writing. If sending via US Postal Service: c/o Karen Higgins;
DWR — 401 & Buffer Permitting Unit; 1617 Mail Service Center; Raleigh, NC 27699-1617. If sending via
delivery service (UPS, FedEx, etc.): Karen Higgins; DWR — 401 & Buffer Permitting Unit; 512 N. Salisbury
Street, Raleigh, NC 27604.
This determination is final and binding unless, as detailed above, unless an appeal is requested within sixty
(60) days.
This project may require a Section 404/401 Permit for the proposed activity. Any inquiries should be
directed to the US Army Corp of Engineers (Raleigh Regulatory Field Office) at (919)-554-4884.
If you have questions regarding this dete ation, please feel free to contact Cherri Smith at (919) 7914251.
S' cerel ,
Danny Smith
Supervisor, Water Quality Regional Operations Center
cc: RRO DWR File Copy
Kim Hamlin; SEPI Engineering; 1025 Wade Ave.; Raleigh, NC 27605

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11WO

• • Engineering and
I� • Environmental Services
March 10, 2016
United States of America
Attn: USACE
11405 Falls of the Neuse Rd
Wake Forest, NC 27587
Re: Stormwater Collection Systems Plan Approval
Building 110 Net Zero Energy North Warehouse and Distribution Center
Durham County Stormwater Project #SW -1601
Dear Sir:
On February 8, 2016, we received a stormwater construction drawing package submittal package for the
Building 110 Net Zero Energy North Warehouse and Distribution Center project located at 105 T.W. Alexander
Drive, Durham, NC. This construction drawing set was approved by this office on March 8, 2016. Enclosed is a
copy of the plans and calculations, stamped approved by this office.
The approved stormwater collection system consists of:
1. Installation of a bioretention facility with a design treatment volume of 954 ft3.
2. Installation of a stormwater wetland with a design storm surface area of 14,931 ft3.
3. Approximately 979 LF of PVC and RCP pipe
Our office will issue a Stormwater Operation and Maintenance Permit for the stormwater control measures after the
following are completed:
1. The stormwater system is constructed and final construction inspected by a registered professional engineer,
a registered land surveyor, or a registered landscape architect. A signed and sealed copy of the inspection
report must be submitted to this office.
2. The final As -Built Plans sealed and signed by a registered professional engineer, a registered land surveyor,
or a registered landscape architect must be submitted.
3. An operation and maintenance plan sealed and signed by a registered professional engineer, a registered land
surveyor, or a registered landscape architect must be submitted.
4. An operation and maintenance agreement signed and notarized by the property owner. This will be drafted
near the end of the project.
5. An improvement security must be provided to our office in accordance with Ordinance Section 14-155(e).
Our calculations indicate a performance bond in the amount of $11,359.95 is necessary to ensure
construction, and continuing operation, maintenance and inspection of the facilities. Performance bond
forms and information can be found on the Durham County Engineering / S&E Webpage. If you believe
this bond amount is incorrect please contact me. See Attached.
120 East Parrish Street, Law Building, 1° Floor, Durham, Nortti Carolina 27701
[phone] 1 Fax [phone] dconc gov
Equal Employment/Affirmative Action Employer

Please feel free to contact me if you have any questions pertaining to this approval at [phone].
Sincerely,
VnD. ves
Stormwater Manager
cc: Justin Beard, PE
SEPI Engineering
120 East Parrish Street, Law Budding, to Floor, Durham, North Carolina 27701
[phone] 1 Fax [phone] dconc gov
Equal Employment/Affirmative Action Employer

120 East Parrish Street, Law Budding, 1" Floor, Durham, North Carolina 27701
[phone] 1 Fax[phone] dconc gov
Equal Employment/Affirmative Action Employer
BMP Performance Bond Calculations
BMP:
Wet Detention Pond Performance Bond Calculations
Project Name:
The Lab Building 1
Facility Name
Bio -Retention 1
Wetland 1
Facility Drainage Area (AC)
1.73
Facility Drainage Area (AC)
Facility Volume (CF)
954
Capital Costs' ($)
$ 2,253.49 $ -
$ -
O&M Costs 2 ($)
$ 90.14 $ -
$ -
Inspection Costs 3 ($)
$ 500.00 $ -
Is -
Total ($)
$ 2,843 63 $ -
Is
Total Bond
Date
Notes- 1) Capital Costs = 18 5Volumeo 70
$ 2,843.63 2) O&M Costs = 4% Capital Costs
311112016 9:34 3) Inspection Costs = By Durham County
Source: NCDENR Stormwater BMP Manual
- $ - Is - $ -
120 East Parrish Street, Law Budding, 1" Floor, Durham, North Carolina 27701
[phone] 1 Fax[phone] dconc gov
Equal Employment/Affirmative Action Employer
BMP Performance Bond Calculations
BMP:
Wetland Pond Performance Bond Calculations
Project Name:
Facility Name
Wetland 1
Facility Drainage Area (AC)
4
Facility Volume (CF)
34,161
Capital Costs' ($)
$ 7,634.59 $
$ $ - $ -
$ -
08M Costs 2 ($)
$ 381.73 $
$ - $ - $ -
$ -
Inspection Costs 3 ($)
$ 500.00 $
- $ - Is - $ -
$ -
Total ($)
$ 8,516321$
is I $ - Is
Is
Total Bond
Date
$ 8,516.32
311112016 9:34
Notes: 1) Capital Costs = 3,852' Watershed Area0484
2) O&M Costs = 5% Capital Costs
3) Inspection Costs = By Durham County
Source: NCDENR Stormwater BMP Manual
120 East Parrish Street, Law Budding, 1" Floor, Durham, North Carolina 27701
[phone] 1 Fax[phone] dconc gov
Equal Employment/Affirmative Action Employer

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