7606_GoldHillRdCDLF_Phase2AClosureCoverCertification_ResponsetoComments_DIN28521_20171004

1
Chao, Ming-tai
From:Raup, Michael <[e-mail]>
Sent:Wednesday, October 04, 2017 3:54 PM
To:Chao, Ming-tai; Al Morton
Cc:Garrett, David
Subject:[External] RE: Gold Hill CDLF Final Cover Certification Report, DIN 28486
Attachments:Final Cover Certification Response to Comments 10-4-17.pdf
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Mr. Chao,

Please find the Final Cover Certification Response to Comments made on 9-21-17.

Michael Raup, P.E.
Geotechnical Engineer, Amec Foster Wheeler Environment & Infrastructure
4021 Stirrup Creek Drive – Suite 100, Durham, North Carolina 27703, USA
T +01 919 381 9343 M +01 423 943 1038
[e-mail] amecfw.com

From: Chao, Ming-tai [mailto:[e-mail]]
Sent: Thursday, September 21, 2017 4:30 PM
To: Al Morton <[e-mail]>
Cc: Garrett, David <[e-mail]>; Raup, Michael <[e-mail]>; Mussler, Ed
<[e-mail]>; Patrone, John <[e-mail]>; Aja, Deborah <[e-mail]>
Subject: FW: Gold Hill CDLF Final Cover Certification Report, DIN 28486

Dear Mr. Morton:

DIN 28486
The Solid Waste Section (the SWS) completes a review of the Final Cover Certification Documentation (the
Report) for the Gold Hill Road C&DLF, Permit # 7606-CDLF-2001 (DIN 28479). Based on the narratives and
survey as-built in the Report, the acreage of the certified closure is five (5) acres including 2.1-acre closed area
according to Rule 15A NCAC 13B .0543 and 2.9-acre closed area according to Rule 15A NCAC 13B
.0505. Please note that the CQA testing frequency and closure requirements stated in the Report are not
consistent with the approved Plan (DIN 11912 and 19992). Because the vital information about how to conduct
the closure at the Phase 2A area is lost due to personnel changed inside the SWS, the SWS will not pursuit any
further on this matter and will accept the certified Report for close-out area at Phase 2A, approximately 5
acres. However, the CQA requirements for the future landfill cell construction and closure shall not be lapsed
due to this exceptional circumstance.

2
The Permit to Operate for the C&DLF (DIN 26592) dated October 25, 2016 allows the C&DLF -Phase 2,
encompassing approximately 8.33 acres, for disposal of permitted wastes. Phase 2 comprises of two subcells –
Phase 2A and 2B encompass 6.34 acres and 1.99 acres, respectively. The Construction Quality Control
Documentation (CQA Report) for C&DLF – Phase 1A-1 (DIN 28151) certified the 4.7-acre was completed
constructed according to the Rule 15A NCAC 13B .0541, the Permit Conditions (DIN 26592), and the approved
CQA Plan (DIN 26596).

According to the Administrative Order on Consent Amendment # 1 dated October 6, 2016 (Amendment # 1),
The C&DLF shall close and open sub-phases as needed that will be no larger than 6.1 acres at any given
time. So, the new Permit Approval To Operate (PTO) for the Gold Hill Road C&DLF will only allow Morton
and Sewell Land Company, LLC (Permit Holder/Permittee) to operate 6.1-acre disposal area, which breaks
down as below:
C&D Phase Acreage Capacity (CY) Note
Phase 2A 5.0
305,2453
Permanent closure
1.34 Inactive
Phase 2B 1.99 60,926 Constructed &
Permitted for
disposal of wastes
Phase 1A-1a 2.77 ?? (please provide data)

To satisfy the Amendment # 1, the new disposal area of the C&DLF will be 6.1 acres including un-
closed/inactive Phase 2A (1.34 acres), active Phase 2B (1.99 acres), and portion of the constructed 4.7-acre
Phase 1A-1 (2.77 acres).

The permittee must provide the following tasks prior to receiving a new PTO:
1. The gross capacity of the Phase1A-1a. The drawings (including layout and cross-section drawings) to
show the waste footprint and interim final grade of Phase 1A-1a, which match the gross capacity of this
sub-cell.
2. The physical boundary of the 2.77-acre sub-cell, Phase 1A-1a must be shown on the drawing. The edge
markers to distinctively separate the footprint of Phase1A-1a (2.77 acres) from the remnant of Phase 1A-
1 (1.93 acres) must be properly established in the field. Upon completion of the edge marker
installation, please inform the SWS to conduct the site visit and observe the completion of this task prior
to issue the new PTO.
The Report states that the permittee requests 5-year permit. During the 5-year permit cycle, if the additional
portion of the Phase 2A and/or Phase 2B are closed, the permittee can request a new permit to operate the
remnant of Phase 1A-1 (1.93 acres). Please provide the requested data, so the new permit can be issued in a
timely manner. Thank you for your cooperation on this matter.

Ming Chao
Ming-Tai Chao, P.E.
Environmental Engineer
Permitting Branch, Solid Waste Section
NCDEQ, Division of Waste Management
(Mailing Address)
1646 Mail Service Center
Raleigh, NC 27699-1646

(Street Address)
Green Square, 217 West Jones Street
Raleigh, NC 27603
3
Tel. [phone]
[e-mail]
http://portal.ncdenr.org/web/wm/sw

E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties.

From: Chao, Ming-tai
Sent: Tuesday, September 19, 2017 6:05 PM
To: Raup, Michael <[e-mail]>
Cc: Garrett, David <[e-mail]>; Al Morton <[e-mail]>; Mussler, Ed
<[e-mail]>
Subject: RE: Gold Hill CDLF Final Cover Certification Report

Hi Michael:

The submitted CQA report for partial closure at Gold Hill Road CDLF, 76-06 is uploaded to the document
tracking system with a DIN 28479.

Have a wonderful evening.

Ming Chao
Ming-Tai Chao, P.E.
Environmental Engineer
Permitting Branch, Solid Waste Section
NCDEQ, Division of Waste Management
(Mailing Address)
1646 Mail Service Center
Raleigh, NC 27699-1646

(Street Address)
Green Square, 217 West Jones Street
Raleigh, NC 27603
Tel. [phone]
[e-mail]
http://portal.ncdenr.org/web/wm/sw

E-mail correspondence to and from this address may be subject to the North Carolina Public Records Law and may be disclosed to third parties.

From: Chao, Ming-tai
Sent: Tuesday, September 19, 2017 4:26 PM
To: Raup, Michael <[e-mail]>
Cc: Garrett, David <[e-mail]>; Al Morton <[e-mail]>; Mussler, Ed
4
<[e-mail]>
Subject: Re: Gold Hill CDLF Final Cover Certification Report

Hi Michael:
I am in training class for today and tomorrow, and will start reviewing the report later this week.

Ming Chao
From: Raup, Michael <[e-mail]>
Sent: Tuesday, September 19, 2017 3:14:57 PM
To: Chao, Ming-tai
Cc: Garrett, David; Al Morton
Subject: Gold Hill CDLF Final Cover Certification Report

Mr. Chao,

Please find the attached Final Cover Certification Report for Gold Hill CDLF

Michael Raup, P.E.
Geotechnical Engineer, Amec Foster Wheeler Environment & Infrastructure
4021 Stirrup Creek Drive – Suite 100, Durham, North Carolina 27703, USA
T +01 919 381 9343 M +01 423 943 1038
[e-mail] amecfw.com

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