NC0004979_Approval to Repair-Scope 5 State Dam ID GASTO-061_20170119

Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
Final Approval of Repair
ROY COOPER
Governor
WILLIAM G ROSS, JR
Acting Seuelmy
TRACY E DAVIS
Dnectoi
January 19, 2017
CERTIFIED MAIL R
RETURN RECEIPT REQUESTED
Mr. George T. Hamrick
Senior Vice President
Duke Energy
400 S Tryon Street, ST06A
Charlotte, NC 28202
RE: Approval to Repair— Scope 5
Allen Active Ash Basin Dam
Gaston County
State Dam ID: GASTO - 061
Dear Mr. Hamrick:
\Natec Q ge1ction
pecm�tt�n9
This concerns the subject high hazard dam repaired pursuant to issuance of an Approval to
Repair dated October 21, 2015, as required by the Dam Safety Law of 1967. The repair pertained
to Scope 5- Engineered plan to address shallow slope stability concerns. Record Drawings and
the engineer's certification were received on September 26, 2016. The repair was certified by
Mr. Walter G Kutschke, PhD., PE of AECOM. '
An inspection of this dam was made by Land Quality Section staff of the Mooresville Regional
Office on September 28, 2016. The dam 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. These inspections, however, will be relatively
infrequent. 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 see or suspect any
problems concerning its safety. The Emergency Action Plan must be reviewed and updated as
needed by the owner or the owner's representative on an annual basis.
State of North Carolina I Environmental Quality I Energy, Mineral, and Land Resources
1612 Mail Service Center 1 512 N Salisbury St I Raleigh, NC 27699
919 707 9220 T

Mr. George T. Hamrick Allen Active Ash Basin Dam
Final Approval of Repair -Scope 5 GASTO-061
January 19, 2017
Page 2 of 2
Please contact the Mooresville 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,
3 ' /� � G�
Brian Shane Cook, PE, LSIT
State Dam Safety Engineer
Land Quality Section
BSC/fmt
cc• Mr. Walter G Kutschke, PhD., PE of AECOM
Mr. Zahid Khan, DEMLR Regional Engineer, MRO
Mr Jeff Poupart, Division of Water Resources
Mr. Randy Hart, Duke Energy
Filename GASTO-061 20170119_COFA Allen Active Retired Ash Basin Dam -Scope 5
State of North Carolina I Environmental Quality I Energy, Mineral, and Land Resources
1612 Mail Service Center 1 512 N Salisbury St I Raleigh, NC 27699
919 707 9220 T