NC0004979_Approval to Repair-Scope 4 State Dam ID GASTO-061_20170120

Energy, Mineral &
Land Resources
ENVIRONMENTAL QUALITY
Final Approval of Repair
January 20, 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 to Repair— Scope 4
Allen Active Ash Basin Dam
Gaston County
State Dam ID: GASTO - 061
Dear Mr. Hamrick:
ROY COOPER
Governor
MICHAEL S. REGAN
Secretary
TRACY DAVIS
Director
RECEIVEDINCDEWWR
JAN 2 2, 2017
Water Quality
Permitting Section
This concerns the subject high hazard dam repaired pursuant to issuance of an Approval to
Repair dated March 26, 2015, and subsequent Extension on March 8, 2016, as required by the
Dam Safety Law of 1967. The repair pertained to Scope 4 - Engineered plan to replace sluice
lines passing below dam crest were received on June 22, 2016 The repair was certified by Mr.
Cedric Ruhl, PE, AMEC.
An inspection of this dam was made by Land Quality Section staff of the Mooresville Regional
Office on July 12, 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.
Nothing Compares.,
Stare of'Nortn Carolina s Enviretirtental Quaht;v ° Energ}. Nfiresal and Land Resources
512 N Salisbury Street E 1012'Nlacl Ser,. ice Center ; Rale,gh Narth Carolina 27b99 -]b12
019 707 9200

-' r 4
Mr. George T. Hamrick
Final Approval of Repair -Scope 4
January 20, 2017
Page 2 of 2
Allen Active Ash Basin Dam
GASTO-061
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,
Brian Shane Cook, PE, LSIT
State Dam Safety Engineer
Land Quality Section
BSC/md/fmt
cc: Mr. Cedric Ruhl, PE, AMEC.
Mr. Zahid Khan, CPM, CPESC, CPSWQ, DEMLR Regional Engineer MRO
Mr. Jeff Poupart, Division of Water Resources
Mr. Randy Hart, Duke Energy
Filename GASTO-061_20170120_COFA_AllenActtvAshBasmDamScope4
Nothing Compares_
State ofNorth Carolina 1 Environmental Quality 1 Energy Mineral and land Resources
512 N Salisbury Street 1 1612 Mad Service Center 1 Raleigh, North Carolina 27699-1612
919 707 9200