Multi ID#'s_DE Letter to DEQ Sept 2016 Updated IAP Schedules_20160930

DUKE
ENERGY®
September 30, 2016
Mr. S. Jay Zimmerman, P.G.
Director, Division of Water Resources
North Carolina Department of Environmental Quality
1611 Mail Service Center
Raleigh, NC 27699-1611
RE: Interim Action Plan Schedule Update for Asheville Steam
H.F. Lee Energy Complex and L.V. Sutton Energy Complex
Dear Mr. Zimmerman:
Plant, Belews Creek Steam Station,
Duke Energy, along with our consultants, and Department of Envi nmental Quality (DEQ) staff discussed
the Interim Action Plans for the above -referenced facilities during a meeting at the Archdale Building on
August 24, 2016. A letter summarizing this meeting was submitted to you on September 9, 2016.
During that meeting, Duke Energy stated an updated schedule would be provided for each of these four
facilities. Enclosed are those updated schedules.
As Duke Energy stated during the August meeting, only Sutto
required startup of March 31, 2017. This is because Suttor
discharge requirements from the proposed extraction system.
recently submitted an NPDES permit modification which includ
and Asheville is not expected to make this submittal until the ei
permit has been received, a treatment system can not be desigr
Duke Energy will request an extension beyond March 31, 2017 d
have a better idea at that time of the length of extension require
If you have any questions or need any clarification regarding
me at [e-mail] or at 919-546-7863 at
Respectfully submitte
0-;7
John R. Toepfer, P.E.
Lead Engineer
cc/enc: Mr. Bill Miller — HDR
Ms. Kathy Webb — SynTerra
Mr. James McNash - Geosyntec
Mr. Ryan Czop—Duke Energy
Ms. Kim Witt — Duke Energy
Mr. Ed Sullivan — Duke Energy
had the possibility to meet the DEQ
NPDES permit already contains the
wo of the other three facilities only
discharge from an extraction system
of October. Until an updated NPDES
I as the discharge limits are unknown.
ing February 2017 as Duke Energy will
information provided, please contact
convenience.

Enclosure 1
Asheville Steam Electric Plant
Interim Action Plan Schedule Update to DEQ
September 30, 2016
Pump Test Completion
30% Design Complete
(incorporate majority of Basis of Design Report components)
NPDES Permit Anticipated
Issuance for Final Construction
(incorporate remainder of Basis of Design Report components)
Begin Extraction Well and Treatment System Construction
Extraction Well and Treatment System Begin Operation
October 14, 2016
November 21, 2016
February 28, 2017
April 3, 2017
May 15, 2017
July 18, 2017
Note: Asheville Steam Electric Plant has options after treatment of extracted groundwater; NPDES discharge at permitted
outfall or discharge to sanitary sewer system. Both options in close proximity to the area of groundwater extraction.

Enclosure 1
Belews Creek Steam Station
Interim Action Plan Schedule Update to DEQ
September 30, 2016
Pump Test Completion
30% Design Complete
(incorporate majority of Basis of Design Report components)
NPDES Permit Anticipated
Issuance for Final Construction
(incorporate remainder of Basis of Design Report components)
Begin Extraction Well and Treatment System Construction
Extraction Well and Treatment System Begin Operation
October 14, 2016
January 2, 2017
January 31, 2017
May 25, 2017
July 6, 2017
September 20, 2017
Note: Belews Creek Steam Station only option after treatment of extracted groundwater is to discharge at a NPDES permitted
outfall. Permitted outfall is not in close proximity to the area of groundwater extraction.
2

Enclosure 1
H.F. Lee Energy Complex
Interim Action Plan Schedule Update to DEQ
September 30, 2016
Pump Test Completion
30% Design Complete
(incorporate majority of Basis of Design Report components)
NPDES Permit Anticipated
Issuance for Final Construction
(incorporate remainder of Basis of Design Report components)
Begin Extraction Well and Treatment System Construction
Extraction Well and Treatment System Begin Operation
October 14, 2016
November 28, 2016
January 31, 2017
April 24, 2017
June 5, 2017
August 14, 2017
Note: H.F. Lee Energy Complex only option after treatment of extracted groundwater is to discharge at a NPDES permitted
outfall. Area to construct treatment system is limited with wetlands surrounding ash basin. Wetlands permitting could
significantly impact schedule shown.
3

Enclosure 1
L.V. Sutton Energy Complex
Interim Action Plan Schedule Update to DEQ
September 30, 2016
90% Design Complete
(incorporate majority of Basis of Design Report components)
Issuance for Final Construction
(incorporate remainder of Basis of Design Report components)
Begin Extraction Well and Treatment System Construction
Extraction Well and Treatment System Begin Operation
October 17, 2016
November 21, 2016
January 9, 2017
May 5, 2017
Note: L.V. Sutton Energy Complex NPDES permit already includes discharge from treatment of extracted groundwater via
NPDES permitted outfall 001.
4