NC0004979_Approval to Repair-Scope 5_20170118

Energy, Mineral
and Land Resources
ENVIRONMENTAL QUALITY
Final Appzroval of Repair
January 18, 2017
CERTIFIED MAIL
RETURN RECEIPT REQUESTED
Mr. George T. Hamrick
Senior Vice President
Duke Energy
400 S. Tryon Street, ST06A
Charlotte, IVC 28202
RE: Approval to Repair— Scope 5
Allen Retired Ash Basin Dam
Gaston County
State Dam ID: GASTO - 016
Dear Mr. Hamrick:
ROY COOPER
Goveinoi
WILLIAM G ROSS, JR
Acting Secielmy
TRACY E DAVIS
Du ector
RECEIVEDUDEQIMP
JAN -2-2 2017
«tlater_Quallity
r C - ti1r1G SectaorF
This concerns the subject high hazard dam repaired pursuant to issuance of an Approval to
Repair dated October 22, 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 21, 2016. The repair was certified by
Mr. Walter G. Kutschlx, 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 darn
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 Retired Ash Basin Dale
Final Approval of Repair -Scope 5 GASTO-016
January 18, 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,
vu
Brian Shane Cook, PE, LS1T
State Dam Safety Engineer
Land Quality Section
BSC/md/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-0 1620170118COFA Allen Retired Ash Basin Dam -Scope 5
State of North Carolina I Environmental Quality I Energy, Mineral, and Land Resources
1612 Mail Service Ce -iter 1 512 N Salisbury St I Raleigh, NC 27699
919 707 9220 T