NC0005088_Approval to Repair_20150317

AVA
NCDENR
North Carolina Department of Environment and Natural Resources
Pat McCrory Donald van der Vaart
Governor Secretary
Certificate of Approval
March 17, 2015
Mr. John Elnitsky
Vice President
Duke Energy
P.O Box 1321, DEC 22C
Charlotte, NC 28201-1007
RE: Approval to Repair—Scope 1
Cliffside Inactive Ash Basin 1-4 Main Dam RECEIVEOIDENRIDWR
Cleveland County
State Dam ID: CLEVE-047 'BAR 2, 0 2015
Water Quality
Dear Mr. Elnitsky: Permitting Sectior
This is in response to your submission dated September 30, 2014, received on October 3, 2014 of
plans, specifications and design data for repair of the subject dam in compliance with the Dam
Safety Law of 1967. This dam is of high hazard classification. The plans, specifications and
design data submitted were prepared under the supervision of Mr. Joshua M. Bell, PE of AMEC
Environment& Infrastructure, Inc.
Scope 1 General Work Description: Engineered repair to permanently abandon the decant riser
with cementitious grout.
This letter constitutes approval of the proposal to repair the subject dam according to the plans
and specifications received by this Division on October 3, 2014 with the following stipulations:
1. Project construction shall be supervised by Mr. Joshua M. Bell, PE. Mr. Joshua M. Bell, PE
shall be responsible for field observation of construction as necessary to ensure compliance
with approved plans.
2. During construction, the Division of Energy, Mineral, and Land Resources may require such
progress reports as are deemed necessary.
Division of Energy, Mineral, and Land Resources
Energy Section•Geological Survey Section• Land Quality Section
1612 Mail Service Center, Raleigh, North Carolina 27699-1612.919-707-9200/FAX:[phone]
512 North Salisbury Street,Raleigh,North Carolina 27604•Internet:http://portal.ncdenr,org/web/Ir/
An Equal Opportunity\Affirmative Action Employer—50%Recycled 110%Post Consumer Paper

Mr. John Elnitsky
Cliffside Inactive Ash Basin 1-4 Main Dam
Approval to Repair—Scope 1 CLEVE-047
March 17,2015
Page 3 of 3
Mooresville Regional Office at(704) 663-1699 or a staff member of the Dam Safety Program in
the Raleigh Central Office at telephone number(919) 707-9220.
Si erely,
ray Davis, PE, CPM
Dire +r
TED/smm/bsc
cc: Mr. Joshua M. Bell, PE
Mr. Zahid Khan, Land Quality Regional Engineer
Mr. Jeff Poupart, Division of Water Resources
Ms. Kim Hutchinson, Duke Energy
Mr. John Toepfer, Duke Energy
Mr. Sean DeNeale, Duke Energy
File name: CLEVE-047_20150317_COAR-Scope I_Cliffside Inactive Ash Basin 1-4 Main Dam