External RE ABC Storage Eastover_Permit review

Riddle, Rick L
From:George Rose <[e-mail]>
Sent:Thursday, October 12, 2017 1:10 PM
To:Riddle, Rick L
Subject:\[External\] RE: ABC Storage, Eastover - Permit review
Attachments:ABCdrawdowncalcs.pdf
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Rick,

Drawdown calculations attached. I’m mailing two copies today. Let me know if you need anything else. Thanks.

George M. Rose
P.O. Box 53441
Fayetteville, NC 28305
[e-mail]
Mobile: [phone]
Office: 910-485-5822
Fax: [phone]

From: Riddle, Rick L \[mailto:[e-mail]\]
Sent: Thursday, October 05, 2017 1:18 PM
To: [e-mail]
Subject: ABC Storage, Eastover - Permit review

George,

I am reviewing the plans and calculations for the infiltration basin and noticed that you are missing a Drawdown time for
the infiltration pond. According to the MDC Item #5, Infiltration systems shall be designed to dewater the design volume
to the bottom of the infiltration device within 72 hours or less.

If you could provide me with that calculation, then the submittal should be complete. I have not noticed anything else
missing at this point. Please mail two copies of stamped calculation sheet with the needed details back to NCDEQ. You
can send me one via email to check.

I’ll let you know if I find any other items for comment.

Thanks

Richard L. Riddle, Jr.
Stormwater Engineer
North Carolina Department Enviromental Quality
North Carolina Division Energy Mineral Land Resources

919 807-6375 office
[e-mail]

512 North Salisbury Street
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1612 Mail Service Center
Raleigh, NC 27699-1612

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