NCC204276_MODIFICATION Supporting Documents_20210708

N CA
Engineering and
Environmental Services
LETTER OF APPROVAL
PROJECT NAME: Project Flash -Mass Grading
SUBMITTED BY: McAdams
NEW SUBMITTAL ( ) REVISED (X )
May 12, 2021
Merck Sharp & Dohme Corp
5235 Old Oxford Rd
Durham, NC 27712
Attn: Peter Greaves
To Whom It May Concern:
JOB NUMBER: 6160-05
July 29, 2020
ACRES: 26.5
Durham County Approval
This office has reviewed the subject Sedimentation and Erosion Control Permit Application.
We find the application to be acceptable and hereby issue this letter of approval. If any
stipulations or recommendations are applicable, a list is attached and is incorporated as a part
of this letter of approval. Pursuant to Section 3.8.5 of the Durham City -County Unified
Development Ordinance, plans for which no permit has been issued shall expire one year
from the approval date.
Please be advised that a copy of the approved plan must be on file at the job site, and a land -
disturbing permit must be obtained and prominently displayed. Pursuant to G.S. 113A-61 (d)
and Section 15.5.1 of the Durham City -County Unified Development Ordinance, you are
hereby notified that the Sedimentation and Erosion Control Office has the right to inspect the
site over the life of the project to insure compliance with the approved plan and ordinance.
The Sedimentation and Erosion Control Program is performance oriented, requiring
protection of the natural resources and adjoining properties. If following the commencement

of this project it is determined that the sedimentation and erosion control plan is inadequate
to meet the requirements of the Durham City -County Unified Development Ordinance, this
office may require revisions in the plan and its implementation to ensure compliance with the
Ordinance.
Pursuant to Section 12.10.6 of the Durham City -County Unified Development Ordinance,
prior to initiating land -disturbing activity, the person conducting such activity must notify the
sedimentation and erosion control office of the date that such activity will begin.
NCGO10000 Requirements
As of April 1, 2019, all new construction activities are required to complete and submit an
electronic Notice of Intent (NOI) form requesting a Certificate of Coverage (COC) under the
NCGO10000 Construction Stormwater General Permit. This form MUST be submitted prior
to the commencement of any land disturbing activity on the above -named project. The NOI
form may be accessed at deq.nc.gov/NCGO1. Please direct questions about the NOI form to
Annette Lucas at Annette.lucaskncdenr.gov or Paul Clark at Paul. clarkkncdenr. gov. After
you submit a complete and correct NOI Form, a COC will be emailed to you within three
business days. There is a $100 annual fee for coverage. This fee is to be sent to the DEMLR
Stormwater Central Office staff in Raleigh.
Title 15A NCAC 4B .0118(a) and the NCGO1 permit require that the following
documentation be kept on file at the job site:
1. The approved E&SC plan as well as any approved deviation.
2. The NCGO1 permit and the COC, once it is received.
3. Records of inspections made during the previous 30 days.
It should also be noted that approval of an erosion control plan does not in any way
indicate approval of, or authorization to begin installation of Stormwater infrastructure
without City/County approved Construction Drawings.
We look forward to working with you on this project.
Sincerely,
�in 7
`,,4r"r1 �'
McKenzie Myers, PE
Stormwater Manager

Encl.:
NCGO1 Fact Sheet
04/19

APPLICATION REVIEW COMMENTS
Project Name: Project Flash — Mass Grading Job Number: 6160-05
Reviewed By: McKenzie Myers
Approved (X)
Complete the following items to obtain a land disturbing permit:
1. Provide written approval for land disturbance from the Durham City -County
Planning Department in the form of an approved site plan, Zoning Compliance
Checkoff, or other written approval to include additional disturbed area.
2. Upon installation of the tree protection fencing, if required, submit a Tree
Protection Fence Certification Form and call this office for an inspection.
3. Submit a permit fee made payable to Durham County in the amount of $5,120.00
for additional 6.4 acres of disturbance added to land disturbance permit.
4. Submit an updated performance bond to either replace the original bond for the
full amount of $106,000.00, or a second bond in the amount of $34,000.00 to
cover the additional acreage from last two amendments.
Forms may be obtained from this office or from the Durham County Engineering website at:
https://www.dconc.gov/government/departments-a-a/engineeri ng-and-environmental-
services/stormwater-and-erosion-control-division