SW6190701_Add Info_20191023

Farkas, Jim J
From:Farkas, Jim J
Sent:Wednesday, October 23, 2019 3:53 PM
To:Scott Brown
Cc:Lawyer, Mike
Subject:RE: \[External\] RE: The Farms Subdivision - SW6190701
Scott,

I was looking over the additional information you provided on 9/23. Everything looks good except for a few small issues:
- Low Density Supplement
o Please fill out Table 1 for all of the ditches (1-12).
o Please provide your initials for all included items on the Required Items Checklist.
NOTE: You do not need to provide a complete hard copy of the supplement, just the updated pages.
- Application
o Section IX was again unnecessarily signed. If you are OK with it, I will put a big red “X” through this
section on the original copy. If you are not OK with this solution, please provide a corrected signature
page.
- Calculations
o Please provide some documentation for n values used for the ditch calculations. For example, ditches 2,
5, 7e, 8, 9, 11, and 12e all have n values that are more than 0.02 larger than the corresponding
maximum value from the table provided (Assuming grass 2”-6” and depth of flow either < 0.7’ or 0.7’-
1.5’ depending on the ditch).
Ditch n value used in calculations Max n value from provided
table
2 0.084 0.06
5 0.119 0.06
7 end 0.112 0.09
8 0.105 0.06
9 0.161 0.06
11 0.116 0.06
12 end 0.156 0.09
Most of these proposed ditches will flow slower the minimum 2.0 fps used to generate the n values in
the provided table, so it is very possible that the n values used in the calculations are correct, however I
have no way to verify that this is the case. Could you provide documentation from North American
Green or any other reputable source showing how these n values were obtained or that these n values
are appropriate for the conditions shown in the ditch calculations?

Since these are really minor things, once I get the hard copies and the documents are uploaded to Laserfiche (Provided
everything is still in order), we can issue the permit without doing another 30+ day review period.

Let me know if you have any questions.

Jim Farkas
Environmental Engineer
North Carolina Department of Environmental Quality
Division of Energy, Mineral, & Land Resources – Stormwater Program
1

512 N. Sailsbury Street
1612 Mail Service Center
Raleigh, NC 27699-1612

[phone]
[e-mail]

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: Scott Brown <[e-mail]>
Sent: Monday, September 23, 2019 1:31 PM
To: Farkas, Jim J <[e-mail]>
Cc: Lawyer, Mike <[e-mail]>
Subject: \[External\] RE: The Farms Subdivision - SW6190701

CAUTION: External email. Do not click links or open attachments unless you verify. Send all suspicious email as an attachment to
[e-mail]

I forgot the ditch calcs and n values.

Scott Brown, PE | Professional Engineer
office: 910-426-6777 | ext 102 | cell: 910-489-6731 | fax: [phone]
On time, every time. | www.4Dsitesolutions.com

From: Farkas, Jim J \[mailto:[e-mail]\]
Sent: Monday, September 23, 2019 10:42 AM
To: Scott Brown <[e-mail]>
Cc: Lawyer, Mike <[e-mail]>
Subject: RE: The Farms Subdivision - SW6190701

Just checking in on this project. If you need more time to provide the requested information, please send me an email
requesting a time extension before COB today or the application will be returned as incomplete.

Thanks,

Jim Farkas
Environmental Engineer
North Carolina Department of Environmental Quality
Division of Energy, Mineral, & Land Resources – Stormwater Program
2

512 N. Sailsbury Street
1612 Mail Service Center
Raleigh, NC 27699-1612

[phone]
[e-mail]

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

From: Farkas, Jim J
Sent: Friday, August 23, 2019 3:57 PM
To: Scott Brown <[e-mail]>
Cc: Lawyer, Mike <[e-mail]>
Subject: The Farms Subdivision - SW6190701

Good Afternoon,
The Division of Energy, Mineral and Land Resources (DEMLR), received a Stormwater Management Permit Application
th
for the subject project on July 26 , 2019. A review of that information has determined that the application is not
complete. Attached is a letter describing the items that need to be submitted. If you have any questions, please feel free
to contact me. My contact information is listed below.
Thank you,

Jim Farkas
Environmental Engineer
North Carolina Department of Environmental Quality
Division of Energy, Mineral, & Land Resources – Stormwater Program

512 N. Sailsbury Street
1612 Mail Service Center
Raleigh, NC 27699-1612

[phone]
[e-mail]

3

Email correspondence to and from this address is subject to the
North Carolina Public Records Law and may be disclosed to third parties.

4