NC0038377_Approval of Repair-Scope 1, Addendum1 State Dam ID PERSO-035_20170202

Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
Final Approval of Repair
February 2, 2017
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Mr. George T. Hamrick
Senior Vice President
Duke Energy
400 S. Tryon Street, ST06A
Charlotte, NC 28202
RE: Approval of Repair— Scope 1, Addendum 1
Mayo Ash Pond Dam
Person County
State Dam ID: PERSO - 035
Dear Mr. Hamrick:
ROY COOPER
Govemor
MICHAEL S REGAN
Secretary
TRACY E DAVIS
Director
RECEIVEDUDENWR
FEB 1 6 2017
Water Quality
Permitting Section
This correspondence concerns the referenced high hazard dam repaired pursuant to issuance of
an Approval of Repair dated October 12, 2015, as required by the Dam Safety Law of 1967. The
repair documentation pertaining to Scope 1, Addendum 1 — (Amend the repair scope to install a
new spillway system) certified by Mr. Donovan L. Ledford, PE, AECOM, was received by our
office on May 12, 2016.
An inspection of this dam was made by the Land Quality Section staff from the Raleigh Regional
Office on May 24, 2016. The dam repair was found to be in general conformance with the
approved plans and specifications, and continued operation of the dam is hereby approved.
The Land Quality Section staff will make periodic inspections of this dam to verify that the dam
is being maintained in good operating condition. It is advised that you closely inspect and
monitor your dam, and that you notify your engineer and the Division of Energy, Mineral, and
Land Resources if you notice or suspect any problems concerning its safety. The Emergency
Action Plan must be reviewed and updated annually, or as needed by the owner or the owner's
representative.
State of North Carolina 1 Environmental Quality I Energy, Mineral and Land Resources
1612 Mail Service Center 1 512 N Salisbury St I Raleigh, NC 27699
919 707 9200 T

Mr. George T. Hamrick Mayo Ash Pond Dam
Final Approval of Repair -Scope 1 Addendum 1 PERSO-035
February 2, 2017 Page 2 of 2
Please contact the Raleigh Regional Office at [phone] or a staff member of the Dam
Safety Program in the Raleigh Central Office at telephone number [phone] should you
have questions concerning this matter.
Sincerely,
Brian Shane Cook, PE, LSIT
State Dam Safety Engineer
Land Quality Section
BSC/first
cc: Mr. Donovan L. Ledford, PE, AECOM
Mr. John Holley, PE, DEMLR Regional
Mr. Jeff Poupart, Division of Water Resources
Mr. Randy Hart, Duke Energy
Filename PERSO-035_20170202 COFA Mayo Ash Pond Dam Scope -1, Addendum -1